Merge branch 'sam/smol-fixes' into 'master'

Small Fixes 2

See merge request veloren/veloren!1471

assets/voxygen/i18n/de_DE.ron

@@ -188,13 +188,14 @@ https://account.veloren.net.
         "hud.chat.pvp_ranged_kill_msg": "[{attacker}] hat [{victim}] aus der Ferne getötet",
         "hud.chat.pvp_explosion_kill_msg": "[{attacker}] hat [{victim}] hochgejagt",
         "hud.chat.pvp_energy_kill_msg": "[{attacker}] hat [{victim}] mit Magie erledigt",
-        "hud.chat.pvp_buff_kill_msg" : "[{attacker}] hat [{victim}] mit Magie erledigt",
+        "hud.chat.pvp_other_kill_msg" : "[{attacker}] hat [{victim}] mit Magie erledigt",
 
 
         "hud.chat.npc_melee_kill_msg": "{attacker} tötete [{victim}]",
         "hud.chat.npc_ranged_kill_msg": "{attacker} tötete [{victim}]",
         "hud.chat.npc_explosion_kill_msg": "{attacker} hat [{victim}] hochgejagt",
-        "hud.chat.npc_buff_kill_msg": "[{attacker}] tötete [{victim}]",
+        "hud.chat.npc_energy_kill_msg": "[{attacker}] hat [{victim}] mit Magie erledigt",
+        "hud.chat.npc_other_kill_msg": "[{attacker}] tötete [{victim}]",
 
         // SCT outputs
         "hud.sct.experience": "{amount} Erf",

assets/voxygen/i18n/en.ron

@@ -184,13 +184,14 @@ https://account.veloren.net."#,
         "hud.chat.pvp_ranged_kill_msg": "[{attacker}] shot [{victim}]",
         "hud.chat.pvp_explosion_kill_msg": "[{attacker}] blew up [{victim}]",
         "hud.chat.pvp_energy_kill_msg": "[{attacker}] killed [{victim}] with magic",
-        "hud.chat.pvp_buff_kill_msg": "[{attacker}] killed [{victim}]",
+        "hud.chat.pvp_other_kill_msg": "[{attacker}] killed [{victim}]",
 
 
         "hud.chat.npc_melee_kill_msg": "{attacker} killed [{victim}]",
         "hud.chat.npc_ranged_kill_msg": "{attacker} shot [{victim}]",
         "hud.chat.npc_explosion_kill_msg": "{attacker} blew up [{victim}]",
-        "hud.chat.npc_buff_kill_msg": "[{attacker}] killed [{victim}]",
+        "hud.chat.npc_energy_kill_msg": "[{attacker}] killed [{victim}] with magic",
+        "hud.chat.npc_other_kill_msg": "[{attacker}] killed [{victim}]",
 
         "hud.chat.loot_msg": "You picked up [{item}]",
         "hud.chat.loot_fail": "Your Inventory is full!",

assets/voxygen/i18n/tr_TR.ron

@@ -184,13 +184,14 @@ bir hesap oluşturabilirsin."#,
         "hud.chat.pvp_ranged_kill_msg": "[{victim}], [{attacker}] tarafından vuruldu.",
         "hud.chat.pvp_explosion_kill_msg": "[{victim}], [{attacker}] tarafından havaya uçuruldu.",
         "hud.chat.pvp_energy_kill_msg": "[{victim}], [{attacker}] tarafından büyü ile mağlup edildi.",
-        "hud.chat.pvp_buff_kill_msg": "[{victim}], [{attacker}] tarafından öldürüldü.",
+        "hud.chat.pvp_other_kill_msg": "[{victim}], [{attacker}] tarafından öldürüldü.",
 
 
         "hud.chat.npc_melee_kill_msg": "[{victim}], [{attacker}] tarafından mağlup edildi.",
         "hud.chat.npc_ranged_kill_msg": "[{victim}], [{attacker}] tarafından vuruldu.",
         "hud.chat.npc_explosion_kill_msg": "[{victim}], [{attacker}] tarafından havaya uçuruldu.",
-        "hud.chat.npc_buff_kill_msg": "[{victim}], [{attacker}] tarafından öldürüldü.",
+        "hud.chat.npc_energy_kill_msg": "[{victim}], [{attacker}] tarafından büyü ile mağlup edildi.",
+        "hud.chat.npc_other_kill_msg": "[{victim}], [{attacker}] tarafından öldürüldü.",
 
         "hud.chat.loot_msg": "[{item}] topladın.",
         "hud.chat.loot_fail": "Envanterin dolu!",

client/src/lib.rs

@@ -583,16 +583,16 @@ impl Client {
     }
 
     pub fn pick_up(&mut self, entity: EcsEntity) {
-        // Get the stats component from the entity
+        // Get the health component from the entity
 
         if let Some(uid) = self.state.read_component_copied(entity) {
             // If we're dead, exit before sending the message
             if self
                 .state
                 .ecs()
-                .read_storage::<comp::Stats>()
+                .read_storage::<comp::Health>()
                 .get(self.entity)
-                .map_or(false, |s| s.is_dead)
+                .map_or(false, |h| h.is_dead)
             {
                 return;
             }
@@ -731,9 +731,9 @@ impl Client {
         if self
             .state
             .ecs()
-            .read_storage::<comp::Stats>()
+            .read_storage::<comp::Health>()
             .get(self.entity)
-            .map_or(false, |s| s.is_dead)
+            .map_or(false, |h| h.is_dead)
         {
             self.send_msg(ClientGeneral::ControlEvent(ControlEvent::Respawn));
         }
@@ -1733,7 +1733,7 @@ impl Client {
                             alias_of_uid(attacker_uid),
                             alias_of_uid(victim)
                         ),
-                        KillSource::Player(attacker_uid, KillType::Buff) => format!(
+                        KillSource::Player(attacker_uid, KillType::Other) => format!(
                             "[{}] killed [{}]",
                             alias_of_uid(attacker_uid),
                             alias_of_uid(victim)
@@ -1752,7 +1752,7 @@ impl Client {
                             attacker_name,
                             alias_of_uid(victim)
                         ),
-                        KillSource::NonPlayer(attacker_name, KillType::Buff) => {
+                        KillSource::NonPlayer(attacker_name, KillType::Other) => {
                             format!("{} killed [{}]", attacker_name, alias_of_uid(victim))
                         },
                         KillSource::Environment(environment) => {
@@ -1780,7 +1780,7 @@ impl Client {
                         KillSource::Player(attacker_uid, KillType::Energy) => message
                             .replace("{attacker}", &alias_of_uid(attacker_uid))
                             .replace("{victim}", &alias_of_uid(victim)),
-                        KillSource::Player(attacker_uid, KillType::Buff) => message
+                        KillSource::Player(attacker_uid, KillType::Other) => message
                             .replace("{attacker}", &alias_of_uid(attacker_uid))
                             .replace("{victim}", &alias_of_uid(victim)),
                         KillSource::NonPlayer(attacker_name, KillType::Melee) => message
@@ -1795,7 +1795,7 @@ impl Client {
                         KillSource::NonPlayer(attacker_name, KillType::Energy) => message
                             .replace("{attacker}", attacker_name)
                             .replace("{victim}", &alias_of_uid(victim)),
-                        KillSource::NonPlayer(attacker_name, KillType::Buff) => message
+                        KillSource::NonPlayer(attacker_name, KillType::Other) => message
                             .replace("{attacker}", attacker_name)
                             .replace("{victim}", &alias_of_uid(victim)),
                         KillSource::Environment(environment) => message

common/src/combat.rs

@@ -6,56 +6,40 @@ use crate::{
 use serde::{Deserialize, Serialize};
 use vek::*;
 
-pub const BLOCK_EFFICIENCY: f32 = 0.9;
-
-/// Each section of this struct determines what damage is applied to a
-/// particular target, using some identifier
-#[derive(Copy, Clone, Debug, PartialEq, Serialize, Deserialize)]
-pub struct Damages {
-    /// Targets enemies, and all other creatures not in your group
-    pub enemy: Option<Damage>,
-    /// Targets people in the same group as you, and any pets you have
-    pub group: Option<Damage>,
+#[derive(Copy, Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
+pub enum GroupTarget {
+    InGroup,
+    OutOfGroup,
 }
 
-impl Damages {
-    pub fn new(enemy: Option<Damage>, group: Option<Damage>) -> Self { Damages { enemy, group } }
-
-    pub fn get_damage(self, same_group: bool) -> Option<Damage> {
-        if same_group { self.group } else { self.enemy }
-    }
+#[derive(Copy, Clone, Debug, Eq, PartialEq, Hash, Serialize, Deserialize)]
+pub enum DamageSource {
+    Melee,
+    Healing,
+    Projectile,
+    Explosion,
+    Falling,
+    Shockwave,
+    Energy,
+    Other,
 }
 
 #[derive(Copy, Clone, Debug, PartialEq, Serialize, Deserialize)]
-pub enum Damage {
-    Melee(f32),
-    Healing(f32),
-    Projectile(f32),
-    Explosion(f32),
-    Falling(f32),
-    Shockwave(f32),
-    Energy(f32),
+pub struct Damage {
+    pub source: DamageSource,
+    pub value: f32,
 }
 
 impl Damage {
-    pub fn modify_damage(
-        self,
-        block: bool,
-        loadout: Option<&Loadout>,
-        uid: Option<Uid>,
-    ) -> HealthChange {
-        match self {
-            Damage::Melee(damage) => {
-                let mut damage = damage;
+    pub fn modify_damage(self, loadout: Option<&Loadout>, uid: Option<Uid>) -> HealthChange {
+        let mut damage = self.value;
+        match self.source {
+            DamageSource::Melee => {
                 // Critical hit
                 let mut critdamage = 0.0;
                 if rand::random() {
                     critdamage = damage * 0.3;
                 }
-                // Block
-                if block {
-                    damage *= 1.0 - BLOCK_EFFICIENCY
-                }
                 // Armor
                 let damage_reduction = loadout.map_or(0.0, |l| l.get_damage_reduction());
                 damage *= 1.0 - damage_reduction;
@@ -67,71 +51,73 @@ impl Damage {
 
                 HealthChange {
                     amount: -damage as i32,
-                    cause: HealthSource::Attack { by: uid.unwrap() },
+                    cause: HealthSource::Damage {
+                        kind: self.source,
+                        by: uid,
+                    },
                 }
             },
-            Damage::Projectile(damage) => {
-                let mut damage = damage;
+            DamageSource::Projectile => {
                 // Critical hit
                 if rand::random() {
                     damage *= 1.2;
                 }
-                // Block
-                if block {
-                    damage *= 1.0 - BLOCK_EFFICIENCY
-                }
                 // Armor
                 let damage_reduction = loadout.map_or(0.0, |l| l.get_damage_reduction());
                 damage *= 1.0 - damage_reduction;
 
                 HealthChange {
                     amount: -damage as i32,
-                    cause: HealthSource::Projectile { owner: uid },
+                    cause: HealthSource::Damage {
+                        kind: self.source,
+                        by: uid,
+                    },
                 }
             },
-            Damage::Explosion(damage) => {
-                let mut damage = damage;
-                // Block
-                if block {
-                    damage *= 1.0 - BLOCK_EFFICIENCY
-                }
+            DamageSource::Explosion => {
                 // Armor
                 let damage_reduction = loadout.map_or(0.0, |l| l.get_damage_reduction());
                 damage *= 1.0 - damage_reduction;
 
                 HealthChange {
                     amount: -damage as i32,
-                    cause: HealthSource::Explosion { owner: uid },
+                    cause: HealthSource::Damage {
+                        kind: self.source,
+                        by: uid,
+                    },
                 }
             },
-            Damage::Shockwave(damage) => {
-                let mut damage = damage;
+            DamageSource::Shockwave => {
                 // Armor
                 let damage_reduction = loadout.map_or(0.0, |l| l.get_damage_reduction());
                 damage *= 1.0 - damage_reduction;
 
                 HealthChange {
                     amount: -damage as i32,
-                    cause: HealthSource::Attack { by: uid.unwrap() },
+                    cause: HealthSource::Damage {
+                        kind: self.source,
+                        by: uid,
+                    },
                 }
             },
-            Damage::Energy(damage) => {
-                let mut damage = damage;
+            DamageSource::Energy => {
                 // Armor
                 let damage_reduction = loadout.map_or(0.0, |l| l.get_damage_reduction());
                 damage *= 1.0 - damage_reduction;
 
                 HealthChange {
                     amount: -damage as i32,
-                    cause: HealthSource::Energy { owner: uid },
+                    cause: HealthSource::Damage {
+                        kind: self.source,
+                        by: uid,
+                    },
                 }
             },
-            Damage::Healing(heal) => HealthChange {
-                amount: heal as i32,
-                cause: HealthSource::Healing { by: uid },
+            DamageSource::Healing => HealthChange {
+                amount: damage as i32,
+                cause: HealthSource::Heal { by: uid },
             },
-            Damage::Falling(damage) => {
-                let mut damage = damage;
+            DamageSource::Falling => {
                 // Armor
                 let damage_reduction = loadout.map_or(0.0, |l| l.get_damage_reduction());
                 if (damage_reduction - 1.0).abs() < f32::EPSILON {
@@ -142,8 +128,20 @@ impl Damage {
                     cause: HealthSource::World,
                 }
             },
+            DamageSource::Other => HealthChange {
+                amount: -damage as i32,
+                cause: HealthSource::Damage {
+                    kind: self.source,
+                    by: uid,
+                },
+            },
         }
     }
+
+    pub fn interpolate_damage(&mut self, frac: f32, min: f32) {
+        let new_damage = min + frac * (self.value - min);
+        self.value = new_damage;
+    }
 }
 
 #[derive(Copy, Clone, Debug, PartialEq, Serialize, Deserialize)]

common/src/comp/ability.rs

@@ -452,6 +452,7 @@ impl From<(&CharacterAbility, AbilityKey)> for CharacterState {
                     swing_duration: *swing_duration,
                     recover_duration: *recover_duration,
                     is_interruptible: *is_interruptible,
+                    ability_key: key,
                 },
                 auto_charge: false,
                 timer: Duration::default(),
@@ -489,6 +490,7 @@ impl From<(&CharacterAbility, AbilityKey)> for CharacterState {
                     speed_increase: 1.0 - *speed_increase,
                     max_speed_increase: *max_speed_increase - 1.0,
                     is_interruptible: *is_interruptible,
+                    ability_key: key,
                 },
                 stage: 1,
                 combo: 0,
@@ -552,6 +554,7 @@ impl From<(&CharacterAbility, AbilityKey)> for CharacterState {
                     is_interruptible: *is_interruptible,
                     forward_speed: *forward_speed,
                     num_spins: *num_spins,
+                    ability_key: key,
                 },
                 timer: Duration::default(),
                 spins_remaining: *num_spins - 1,
@@ -583,6 +586,7 @@ impl From<(&CharacterAbility, AbilityKey)> for CharacterState {
                     charge_duration: *charge_duration,
                     swing_duration: *swing_duration,
                     recover_duration: *recover_duration,
+                    ability_key: key,
                 },
                 stage_section: StageSection::Charge,
                 timer: Duration::default(),
@@ -619,6 +623,7 @@ impl From<(&CharacterAbility, AbilityKey)> for CharacterState {
                     projectile_gravity: *projectile_gravity,
                     initial_projectile_speed: *initial_projectile_speed,
                     max_projectile_speed: *max_projectile_speed,
+                    ability_key: key,
                 },
                 timer: Duration::default(),
                 stage_section: StageSection::Buildup,

common/src/comp/beam.rs

@@ -1,4 +1,4 @@
-use crate::{sync::Uid, Damages};
+use crate::{sync::Uid, Damage, GroupTarget};
 use serde::{Deserialize, Serialize};
 use specs::{Component, FlaggedStorage};
 use specs_idvs::IdvStorage;
@@ -8,7 +8,7 @@ use std::time::Duration;
 pub struct Properties {
     pub angle: f32,
     pub speed: f32,
-    pub damages: Damages,
+    pub damages: Vec<(Option<GroupTarget>, Damage)>,
     pub lifesteal_eff: f32,
     pub energy_regen: u32,
     pub energy_cost: u32,

common/src/comp/character_state.rs

@@ -3,7 +3,7 @@ use crate::{
     event::{LocalEvent, ServerEvent},
     states::*,
     sys::character_behavior::JoinData,
-    Damages, Knockback,
+    Damage, GroupTarget, Knockback,
 };
 use serde::{Deserialize, Serialize};
 use specs::{Component, FlaggedStorage, VecStorage};
@@ -155,9 +155,9 @@ impl Component for CharacterState {
     type Storage = FlaggedStorage<Self, IdvStorage<Self>>;
 }
 
-#[derive(Copy, Clone, Debug, PartialEq, Serialize, Deserialize)]
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
 pub struct Attacking {
-    pub damages: Damages,
+    pub damages: Vec<(Option<GroupTarget>, Damage)>,
     pub range: f32,
     pub max_angle: f32,
     pub applied: bool,

common/src/comp/chat.rs

@@ -51,7 +51,7 @@ pub enum KillType {
     Projectile,
     Explosion,
     Energy,
-    Buff,
+    Other,
     // Projectile(String), TODO: add projectile name when available
 }
 

common/src/comp/energy.rs

@@ -47,9 +47,9 @@ impl Energy {
         self.current = amount;
     }
 
-    pub fn change_by(&mut self, amount: i32, cause: EnergySource) {
-        self.current = ((self.current as i32 + amount).max(0) as u32).min(self.maximum);
-        self.last_change = Some((amount, 0.0, cause));
+    pub fn change_by(&mut self, change: EnergyChange) {
+        self.current = ((self.current as i32 + change.amount).max(0) as u32).min(self.maximum);
+        self.last_change = Some((change.amount, 0.0, change.source));
     }
 
     pub fn try_change_by(
@@ -62,7 +62,10 @@ impl Energy {
         } else if self.current as i32 + amount > self.maximum as i32 {
             Err(StatChangeError::Overflow)
         } else {
-            self.change_by(amount, cause);
+            self.change_by(EnergyChange {
+                amount,
+                source: cause,
+            });
             Ok(())
         }
     }
@@ -73,6 +76,11 @@ impl Energy {
     }
 }
 
+pub struct EnergyChange {
+    pub amount: i32,
+    pub source: EnergySource,
+}
+
 impl Component for Energy {
     type Storage = FlaggedStorage<Self, IdvStorage<Self>>;
 }

common/src/comp/health.rs

@@ -0,0 +1,131 @@
+use crate::{comp::Body, sync::Uid, DamageSource};
+use serde::{Deserialize, Serialize};
+use specs::{Component, FlaggedStorage};
+use specs_idvs::IdvStorage;
+
+/// Specifies what and how much changed current health
+#[derive(Clone, Copy, Debug, Hash, PartialEq, Eq, Serialize, Deserialize)]
+pub struct HealthChange {
+    pub amount: i32,
+    pub cause: HealthSource,
+}
+
+#[derive(Clone, Copy, Debug, Hash, PartialEq, Eq, Serialize, Deserialize)]
+pub enum HealthSource {
+    Damage { kind: DamageSource, by: Option<Uid> },
+    Heal { by: Option<Uid> },
+    //Attack { by: Uid }, // TODO: Implement weapon
+    //Projectile { owner: Option<Uid> },
+    //Explosion { owner: Option<Uid> },
+    //Energy { owner: Option<Uid> },
+    //Buff { owner: Option<Uid> },
+    Suicide,
+    World,
+    Revive,
+    Command,
+    LevelUp,
+    Item,
+    //Healing { by: Option<Uid> },
+    Unknown,
+}
+
+#[derive(Clone, Copy, Debug, Serialize, Deserialize)]
+pub struct Health {
+    base_max: u32,
+    current: u32,
+    maximum: u32,
+    pub last_change: (f64, HealthChange),
+    pub is_dead: bool,
+}
+
+impl Health {
+    pub fn new(body: Body, level: u32) -> Self {
+        let mut health = Health::empty();
+
+        health.update_max_hp(Some(body), level);
+        health.set_to(health.maximum(), HealthSource::Revive);
+
+        health
+    }
+
+    pub fn empty() -> Self {
+        Health {
+            current: 0,
+            maximum: 0,
+            base_max: 0,
+            last_change: (0.0, HealthChange {
+                amount: 0,
+                cause: HealthSource::Revive,
+            }),
+            is_dead: false,
+        }
+    }
+
+    pub fn current(&self) -> u32 { self.current }
+
+    pub fn maximum(&self) -> u32 { self.maximum }
+
+    pub fn set_to(&mut self, amount: u32, cause: HealthSource) {
+        let amount = amount.min(self.maximum);
+        self.last_change = (0.0, HealthChange {
+            amount: amount as i32 - self.current as i32,
+            cause,
+        });
+        self.current = amount;
+    }
+
+    pub fn change_by(&mut self, change: HealthChange) {
+        self.current = ((self.current as i32 + change.amount).max(0) as u32).min(self.maximum);
+        self.last_change = (0.0, change);
+    }
+
+    // This function changes the modified max health value, not the base health
+    // value. The modified health value takes into account buffs and other temporary
+    // changes to max health.
+    pub fn set_maximum(&mut self, amount: u32) {
+        self.maximum = amount;
+        self.current = self.current.min(self.maximum);
+    }
+
+    // This is private because max hp is based on the level
+    fn set_base_max(&mut self, amount: u32) {
+        self.base_max = amount;
+        self.current = self.current.min(self.maximum);
+    }
+
+    pub fn reset_max(&mut self) { self.maximum = self.base_max; }
+
+    pub fn should_die(&self) -> bool { self.current == 0 }
+
+    pub fn revive(&mut self) {
+        self.set_to(self.maximum(), HealthSource::Revive);
+        self.is_dead = false;
+    }
+
+    // TODO: Delete this once stat points will be a thing
+    pub fn update_max_hp(&mut self, body: Option<Body>, level: u32) {
+        if let Some(body) = body {
+            self.set_base_max(body.base_health() + body.base_health_increase() * level);
+            self.set_maximum(body.base_health() + body.base_health_increase() * level);
+        }
+    }
+
+    pub fn with_max_health(mut self, amount: u32) -> Self {
+        self.maximum = amount;
+        self.current = amount;
+        self
+    }
+}
+
+impl Component for Health {
+    type Storage = FlaggedStorage<Self, IdvStorage<Self>>;
+}
+
+#[derive(Copy, Clone, Debug, Serialize, Deserialize)]
+pub struct Dead {
+    pub cause: HealthSource,
+}
+
+impl Component for Dead {
+    type Storage = IdvStorage<Self>;
+}

common/src/comp/inventory/item/tool.rs

@@ -7,8 +7,9 @@ use crate::{
         buff::{Buff, BuffCategory, BuffData, BuffKind, BuffSource},
         projectile, Body, CharacterAbility, Gravity, LightEmitter, Projectile,
     },
+    effect::Effect,
     states::combo_melee,
-    Damage, Damages, Explosion, Knockback,
+    Damage, DamageSource, Explosion, GroupTarget, Knockback, RadiusEffect,
 };
 use serde::{Deserialize, Serialize};
 use std::time::Duration;
@@ -302,10 +303,10 @@ impl Tool {
                     projectile: Projectile {
                         hit_solid: vec![projectile::Effect::Stick],
                         hit_entity: vec![
-                            projectile::Effect::Damages(Damages::new(
-                                Some(Damage::Projectile(40.0 * self.base_power())),
-                                None,
-                            )),
+                            projectile::Effect::Damage(Some(GroupTarget::OutOfGroup), Damage {
+                                source: DamageSource::Projectile,
+                                value: 40.0 * self.base_power(),
+                            }),
                             projectile::Effect::Knockback(Knockback::Away(10.0)),
                             projectile::Effect::RewardEnergy(50),
                             projectile::Effect::Vanish,
@@ -357,10 +358,10 @@ impl Tool {
                     projectile: Projectile {
                         hit_solid: vec![projectile::Effect::Stick],
                         hit_entity: vec![
-                            projectile::Effect::Damages(Damages::new(
-                                Some(Damage::Projectile(40.0 * self.base_power())),
-                                None,
-                            )),
+                            projectile::Effect::Damage(Some(GroupTarget::OutOfGroup), Damage {
+                                source: DamageSource::Projectile,
+                                value: 40.0 * self.base_power(),
+                            }),
                             projectile::Effect::Knockback(Knockback::Away(10.0)),
                             projectile::Effect::Vanish,
                             projectile::Effect::Buff {
@@ -419,24 +420,46 @@ impl Tool {
                     projectile: Projectile {
                         hit_solid: vec![
                             projectile::Effect::Explode(Explosion {
+                                effects: vec![
+                                    RadiusEffect::Entity(
+                                        Some(GroupTarget::OutOfGroup),
+                                        Effect::Damage(Damage {
+                                            source: DamageSource::Explosion,
+                                            value: 50.0 * self.base_power(),
+                                        }),
+                                    ),
+                                    RadiusEffect::Entity(
+                                        Some(GroupTarget::InGroup),
+                                        Effect::Damage(Damage {
+                                            source: DamageSource::Healing,
+                                            value: 140.0 * self.base_power(),
+                                        }),
+                                    ),
+                                ],
                                 radius: 3.0 + 2.5 * self.base_power(),
-                                max_damage: (50.0 * self.base_power()) as u32,
-                                min_damage: (20.0 * self.base_power()) as u32,
-                                max_heal: (140.0 * self.base_power()) as u32,
-                                min_heal: (50.0 * self.base_power()) as u32,
-                                terrain_destruction_power: 0.0,
                                 energy_regen: 0,
                             }),
                             projectile::Effect::Vanish,
                         ],
                         hit_entity: vec![
                             projectile::Effect::Explode(Explosion {
+                                effects: vec![
+                                    RadiusEffect::Entity(
+                                        Some(GroupTarget::OutOfGroup),
+                                        Effect::Damage(Damage {
+                                            source: DamageSource::Explosion,
+                                            value: 50.0 * self.base_power(),
+                                        }),
+                                    ),
+                                    RadiusEffect::Entity(
+                                        Some(GroupTarget::InGroup),
+                                        Effect::Damage(Damage {
+                                            source: DamageSource::Healing,
+                                            value: 140.0 * self.base_power(),
+                                        }),
+                                    ),
+                                ],
                                 radius: 3.0 + 2.5 * self.base_power(),
-                                max_damage: (50.0 * self.base_power()) as u32,
-                                min_damage: (20.0 * self.base_power()) as u32,
-                                max_heal: (140.0 * self.base_power()) as u32,
-                                min_heal: (50.0 * self.base_power()) as u32,
-                                terrain_destruction_power: 0.0,
                                 energy_regen: 0,
                             }),
                             projectile::Effect::Vanish,
@@ -462,24 +485,28 @@ impl Tool {
                     projectile: Projectile {
                         hit_solid: vec![
                             projectile::Effect::Explode(Explosion {
+                                effects: vec![RadiusEffect::Entity(
+                                    Some(GroupTarget::OutOfGroup),
+                                    Effect::Damage(Damage {
+                                        source: DamageSource::Explosion,
+                                        value: 100.0 * self.base_power(),
+                                    }),
+                                )],
                                 radius: 5.0,
-                                max_damage: (100.0 * self.base_power()) as u32,
-                                min_damage: 0,
-                                max_heal: 0,
-                                min_heal: 0,
-                                terrain_destruction_power: 0.0,
                                 energy_regen: 50,
                             }),
                             projectile::Effect::Vanish,
                         ],
                         hit_entity: vec![
                             projectile::Effect::Explode(Explosion {
+                                effects: vec![RadiusEffect::Entity(
+                                    Some(GroupTarget::OutOfGroup),
+                                    Effect::Damage(Damage {
+                                        source: DamageSource::Explosion,
+                                        value: 100.0 * self.base_power(),
+                                    }),
+                                )],
                                 radius: 5.0,
-                                max_damage: (100.0 * self.base_power()) as u32,
-                                min_damage: 0,
-                                max_heal: 0,
-                                min_heal: 0,
-                                terrain_destruction_power: 0.0,
                                 energy_regen: 50,
                             }),
                             projectile::Effect::Vanish,

common/src/comp/mod.rs

@@ -9,6 +9,7 @@ pub mod chat;
 mod controller;
 mod energy;
 pub mod group;
+mod health;
 mod inputs;
 mod inventory;
 mod last;
@@ -43,8 +44,9 @@ pub use controller::{
     Climb, ControlAction, ControlEvent, Controller, ControllerInputs, GroupManip, Input,
     InventoryManip, MountState, Mounting,
 };
-pub use energy::{Energy, EnergySource};
+pub use energy::{Energy, EnergyChange, EnergySource};
 pub use group::Group;
+pub use health::{Health, HealthChange, HealthSource};
 pub use inputs::CanBuild;
 pub use inventory::{
     item,
@@ -59,5 +61,5 @@ pub use player::Player;
 pub use projectile::Projectile;
 pub use shockwave::{Shockwave, ShockwaveHitEntities};
 pub use skills::{Skill, SkillGroup, SkillGroupType, SkillSet};
-pub use stats::{Exp, HealthChange, HealthSource, Level, Stats};
+pub use stats::{Exp, Level, Stats};
 pub use visual::{LightAnimation, LightEmitter};

common/src/comp/projectile.rs

@@ -1,4 +1,4 @@
-use crate::{comp::Buff, sync::Uid, Damages, Explosion, Knockback};
+use crate::{comp::Buff, sync::Uid, Damage, Explosion, GroupTarget, Knockback};
 use serde::{Deserialize, Serialize};
 use specs::{Component, FlaggedStorage};
 use specs_idvs::IdvStorage;
@@ -6,7 +6,7 @@ use std::time::Duration;
 
 #[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
 pub enum Effect {
-    Damages(Damages),
+    Damage(Option<GroupTarget>, Damage),
     Knockback(Knockback),
     RewardEnergy(u32),
     Explode(Explosion),

common/src/comp/shockwave.rs

@@ -1,4 +1,4 @@
-use crate::{sync::Uid, Damages, Knockback};
+use crate::{sync::Uid, Damage, GroupTarget, Knockback};
 use serde::{Deserialize, Serialize};
 use specs::{Component, FlaggedStorage};
 use specs_idvs::IdvStorage;
@@ -9,7 +9,7 @@ pub struct Properties {
     pub angle: f32,
     pub vertical_angle: f32,
     pub speed: f32,
-    pub damages: Damages,
+    pub damages: Vec<(Option<GroupTarget>, Damage)>,
     pub knockback: Knockback,
     pub requires_ground: bool,
     pub duration: Duration,

common/src/comp/stats.rs

@@ -1,45 +1,12 @@
 use crate::{
     comp,
     comp::{body::humanoid::Species, skills::SkillSet, Body},
-    sync::Uid,
 };
 use serde::{Deserialize, Serialize};
 use specs::{Component, FlaggedStorage};
 use specs_idvs::IdvStorage;
 use std::{error::Error, fmt};
 
-/// Specifies what and how much changed current health
-#[derive(Clone, Copy, Debug, Hash, PartialEq, Eq, Serialize, Deserialize)]
-pub struct HealthChange {
-    pub amount: i32,
-    pub cause: HealthSource,
-}
-
-#[derive(Clone, Copy, Debug, Hash, PartialEq, Eq, Serialize, Deserialize)]
-pub enum HealthSource {
-    Attack { by: Uid }, // TODO: Implement weapon
-    Projectile { owner: Option<Uid> },
-    Explosion { owner: Option<Uid> },
-    Energy { owner: Option<Uid> },
-    Buff { owner: Option<Uid> },
-    Suicide,
-    World,
-    Revive,
-    Command,
-    LevelUp,
-    Item,
-    Healing { by: Option<Uid> },
-    Unknown,
-}
-
-#[derive(Clone, Copy, Debug, Serialize, Deserialize)]
-pub struct Health {
-    base_max: u32,
-    current: u32,
-    maximum: u32,
-    pub last_change: (f64, HealthChange),
-}
-
 #[derive(Clone, Copy, Debug, Serialize, Deserialize)]
 pub struct Exp {
     current: u32,
@@ -51,41 +18,6 @@ pub struct Level {
     amount: u32,
 }
 
-impl Health {
-    pub fn current(&self) -> u32 { self.current }
-
-    pub fn maximum(&self) -> u32 { self.maximum }
-
-    pub fn set_to(&mut self, amount: u32, cause: HealthSource) {
-        let amount = amount.min(self.maximum);
-        self.last_change = (0.0, HealthChange {
-            amount: amount as i32 - self.current as i32,
-            cause,
-        });
-        self.current = amount;
-    }
-
-    pub fn change_by(&mut self, change: HealthChange) {
-        self.current = ((self.current as i32 + change.amount).max(0) as u32).min(self.maximum);
-        self.last_change = (0.0, change);
-    }
-
-    // This function changes the modified max health value, not the base health
-    // value. The modified health value takes into account buffs and other temporary
-    // changes to max health.
-    pub fn set_maximum(&mut self, amount: u32) {
-        self.maximum = amount;
-        self.current = self.current.min(self.maximum);
-    }
-
-    // This is private because max hp is based on the level
-    fn set_base_max(&mut self, amount: u32) {
-        self.base_max = amount;
-        self.current = self.current.min(self.maximum);
-    }
-
-    pub fn reset_max(&mut self) { self.maximum = self.base_max; }
-}
 #[derive(Debug)]
 pub enum StatChangeError {
     Underflow,
@@ -139,35 +71,15 @@ impl Level {
 #[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct Stats {
     pub name: String,
-    pub health: Health,
     pub level: Level,
     pub exp: Exp,
     pub skill_set: SkillSet,
     pub endurance: u32,
     pub fitness: u32,
     pub willpower: u32,
-    pub is_dead: bool,
     pub body_type: Body,
 }
 
-impl Stats {
-    pub fn should_die(&self) -> bool { self.health.current == 0 }
-
-    pub fn revive(&mut self) {
-        self.health
-            .set_to(self.health.maximum(), HealthSource::Revive);
-        self.is_dead = false;
-    }
-
-    // TODO: Delete this once stat points will be a thing
-    pub fn update_max_hp(&mut self, body: Body) {
-        self.health
-            .set_base_max(body.base_health() + body.base_health_increase() * self.level.amount);
-        self.health
-            .set_maximum(body.base_health() + body.base_health_increase() * self.level.amount);
-    }
-}
-
 impl Stats {
     pub fn new(name: String, body: Body) -> Self {
         let species = if let comp::Body::Humanoid(hbody) = body {
@@ -189,17 +101,8 @@ impl Stats {
             None => (0, 0, 0),
         };
 
-        let mut stats = Self {
+        Self {
             name,
-            health: Health {
-                current: 0,
-                maximum: 0,
-                base_max: 0,
-                last_change: (0.0, HealthChange {
-                    amount: 0,
-                    cause: HealthSource::Revive,
-                }),
-            },
             level: Level { amount: 1 },
             exp: Exp {
                 current: 0,
@@ -209,17 +112,8 @@ impl Stats {
             endurance,
             fitness,
             willpower,
-            is_dead: false,
             body_type: body,
-        };
-
-        stats.update_max_hp(body);
-
-        stats
-            .health
-            .set_to(stats.health.maximum(), HealthSource::Revive);
-
-        stats
+        }
     }
 
     /// Creates an empty `Stats` instance - used during character loading from
@@ -227,15 +121,6 @@ impl Stats {
     pub fn empty() -> Self {
         Self {
             name: "".to_owned(),
-            health: Health {
-                current: 0,
-                maximum: 0,
-                base_max: 0,
-                last_change: (0.0, HealthChange {
-                    amount: 0,
-                    cause: HealthSource::Revive,
-                }),
-            },
             level: Level { amount: 1 },
             exp: Exp {
                 current: 0,
@@ -245,27 +130,11 @@ impl Stats {
             endurance: 0,
             fitness: 0,
             willpower: 0,
-            is_dead: false,
             body_type: comp::Body::Humanoid(comp::body::humanoid::Body::random()),
         }
     }
-
-    pub fn with_max_health(mut self, amount: u32) -> Self {
-        self.health.maximum = amount;
-        self.health.current = amount;
-        self
-    }
 }
 
 impl Component for Stats {
     type Storage = FlaggedStorage<Self, IdvStorage<Self>>;
 }
-
-#[derive(Copy, Clone, Debug, Serialize, Deserialize)]
-pub struct Dying {
-    pub cause: HealthSource,
-}
-
-impl Component for Dying {
-    type Storage = IdvStorage<Self>;
-}

common/src/effect.rs

@@ -1,11 +1,12 @@
-use crate::comp;
+use crate::{combat, comp};
 use serde::{Deserialize, Serialize};
 
 /// An effect that may be applied to an entity
-#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, Serialize, Deserialize)]
+#[derive(Copy, Clone, Debug, PartialEq, Serialize, Deserialize)]
 pub enum Effect {
     Health(comp::HealthChange),
     Xp(i64),
+    Damage(combat::Damage),
 }
 
 impl Effect {
@@ -13,6 +14,21 @@ impl Effect {
         match self {
             Effect::Health(c) => format!("{:+} health", c.amount),
             Effect::Xp(n) => format!("{:+} exp", n),
+            Effect::Damage(d) => format!("{:+}", d.value),
+        }
+    }
+
+    pub fn modify_strength(&mut self, modifier: f32) {
+        match self {
+            Effect::Health(change) => {
+                change.amount = (change.amount as f32 * modifier) as i32;
+            },
+            Effect::Xp(amount) => {
+                *amount = (*amount as f32 * modifier) as i64;
+            },
+            Effect::Damage(damage) => {
+                damage.interpolate_damage(modifier, 0.0);
+            },
         }
     }
 }

common/src/event.rs

@@ -31,11 +31,10 @@ pub enum ServerEvent {
         pos: Vec3<f32>,
         explosion: Explosion,
         owner: Option<Uid>,
-        friendly_damage: bool,
         reagent: Option<Reagent>,
     },
     Damage {
-        uid: Uid,
+        entity: EcsEntity,
         change: comp::HealthChange,
     },
     Destroy {
@@ -93,6 +92,7 @@ pub enum ServerEvent {
     CreateNpc {
         pos: comp::Pos,
         stats: comp::Stats,
+        health: comp::Health,
         loadout: comp::Loadout,
         body: comp::Body,
         agent: Option<comp::Agent>,
@@ -110,6 +110,10 @@ pub enum ServerEvent {
         entity: EcsEntity,
         buff_change: comp::BuffChange,
     },
+    EnergyChange {
+        entity: EcsEntity,
+        change: comp::EnergyChange,
+    },
 }
 
 pub struct EventBus<E> {

common/src/explosion.rs

@@ -1,12 +1,15 @@
+use crate::{combat::GroupTarget, effect::Effect};
 use serde::{Deserialize, Serialize};
 
 #[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
 pub struct Explosion {
+    pub effects: Vec<RadiusEffect>,
     pub radius: f32,
-    pub max_damage: u32,
-    pub min_damage: u32,
-    pub max_heal: u32,
-    pub min_heal: u32,
-    pub terrain_destruction_power: f32,
     pub energy_regen: u32,
 }
+
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+pub enum RadiusEffect {
+    TerrainDestruction(f32),
+    Entity(Option<GroupTarget>, Effect),
+}

common/src/lib.rs

@@ -53,6 +53,6 @@ pub mod util;
 pub mod vol;
 pub mod volumes;
 
-pub use combat::{Damage, Damages, Knockback};
-pub use explosion::Explosion;
+pub use combat::{Damage, DamageSource, GroupTarget, Knockback};
+pub use explosion::{Explosion, RadiusEffect};
 pub use loadout_builder::LoadoutBuilder;

common/src/msg/ecs_packet.rs

@@ -15,6 +15,7 @@ sum_type! {
         Stats(comp::Stats),
         Buffs(comp::Buffs),
         Energy(comp::Energy),
+        Health(comp::Health),
         LightEmitter(comp::LightEmitter),
         Item(comp::Item),
         Scale(comp::Scale),
@@ -45,6 +46,7 @@ sum_type! {
         Stats(PhantomData<comp::Stats>),
         Buffs(PhantomData<comp::Buffs>),
         Energy(PhantomData<comp::Energy>),
+        Health(PhantomData<comp::Health>),
         LightEmitter(PhantomData<comp::LightEmitter>),
         Item(PhantomData<comp::Item>),
         Scale(PhantomData<comp::Scale>),
@@ -75,6 +77,7 @@ impl sync::CompPacket for EcsCompPacket {
             EcsCompPacket::Stats(comp) => sync::handle_insert(comp, entity, world),
             EcsCompPacket::Buffs(comp) => sync::handle_insert(comp, entity, world),
             EcsCompPacket::Energy(comp) => sync::handle_insert(comp, entity, world),
+            EcsCompPacket::Health(comp) => sync::handle_insert(comp, entity, world),
             EcsCompPacket::LightEmitter(comp) => sync::handle_insert(comp, entity, world),
             EcsCompPacket::Item(comp) => sync::handle_insert(comp, entity, world),
             EcsCompPacket::Scale(comp) => sync::handle_insert(comp, entity, world),
@@ -103,6 +106,7 @@ impl sync::CompPacket for EcsCompPacket {
             EcsCompPacket::Stats(comp) => sync::handle_modify(comp, entity, world),
             EcsCompPacket::Buffs(comp) => sync::handle_modify(comp, entity, world),
             EcsCompPacket::Energy(comp) => sync::handle_modify(comp, entity, world),
+            EcsCompPacket::Health(comp) => sync::handle_modify(comp, entity, world),
             EcsCompPacket::LightEmitter(comp) => sync::handle_modify(comp, entity, world),
             EcsCompPacket::Item(comp) => sync::handle_modify(comp, entity, world),
             EcsCompPacket::Scale(comp) => sync::handle_modify(comp, entity, world),
@@ -131,6 +135,7 @@ impl sync::CompPacket for EcsCompPacket {
             EcsCompPhantom::Stats(_) => sync::handle_remove::<comp::Stats>(entity, world),
             EcsCompPhantom::Buffs(_) => sync::handle_remove::<comp::Buffs>(entity, world),
             EcsCompPhantom::Energy(_) => sync::handle_remove::<comp::Energy>(entity, world),
+            EcsCompPhantom::Health(_) => sync::handle_remove::<comp::Health>(entity, world),
             EcsCompPhantom::LightEmitter(_) => {
                 sync::handle_remove::<comp::LightEmitter>(entity, world)
             },

common/src/state.rs

@@ -114,6 +114,7 @@ impl State {
         ecs.register::<comp::Stats>();
         ecs.register::<comp::Buffs>();
         ecs.register::<comp::Energy>();
+        ecs.register::<comp::Health>();
         ecs.register::<comp::CanBuild>();
         ecs.register::<comp::LightEmitter>();
         ecs.register::<comp::Item>();

common/src/states/basic_beam.rs

@@ -1,10 +1,12 @@
 use crate::{
-    comp::{beam, humanoid, Body, CharacterState, EnergySource, Ori, Pos, StateUpdate},
+    comp::{
+        beam, humanoid, Body, CharacterState, EnergyChange, EnergySource, Ori, Pos, StateUpdate,
+    },
     event::ServerEvent,
     states::utils::*,
     sync::Uid,
     sys::character_behavior::{CharacterBehavior, JoinData},
-    Damage, Damages,
+    Damage, DamageSource, GroupTarget,
 };
 use serde::{Deserialize, Serialize};
 use std::time::Duration;
@@ -107,12 +109,14 @@ impl CharacterBehavior for Data {
                 if ability_key_is_pressed(data, self.static_data.ability_key)
                     && (self.static_data.energy_drain == 0 || update.energy.current() > 0)
                 {
-                    let damage = Damage::Energy(
-                        self.static_data.base_dps as f32 / self.static_data.tick_rate,
-                    );
-                    let heal = Damage::Healing(
-                        self.static_data.base_hps as f32 / self.static_data.tick_rate,
-                    );
+                    let damage = Damage {
+                        source: DamageSource::Energy,
+                        value: self.static_data.base_dps as f32 / self.static_data.tick_rate,
+                    };
+                    let heal = Damage {
+                        source: DamageSource::Healing,
+                        value: self.static_data.base_hps as f32 / self.static_data.tick_rate,
+                    };
                     let energy_regen =
                         (self.static_data.energy_regen as f32 / self.static_data.tick_rate) as u32;
                     let energy_cost =
@@ -122,7 +126,10 @@ impl CharacterBehavior for Data {
                     let properties = beam::Properties {
                         angle: self.static_data.max_angle.to_radians(),
                         speed,
-                        damages: Damages::new(Some(damage), Some(heal)),
+                        damages: vec![
+                            (Some(GroupTarget::OutOfGroup), damage),
+                            (Some(GroupTarget::InGroup), heal),
+                        ],
                         lifesteal_eff: self.static_data.lifesteal_eff,
                         energy_regen,
                         energy_cost,
@@ -146,10 +153,10 @@ impl CharacterBehavior for Data {
                     });
 
                     // Consumes energy if there's enough left and ability key is held down
-                    update.energy.change_by(
-                        -(self.static_data.energy_drain as f32 * data.dt.0) as i32,
-                        EnergySource::Ability,
-                    );
+                    update.energy.change_by(EnergyChange {
+                        amount: -(self.static_data.energy_drain as f32 * data.dt.0) as i32,
+                        source: EnergySource::Ability,
+                    });
                 } else {
                     update.character = CharacterState::BasicBeam(Data {
                         timer: Duration::default(),

common/src/states/basic_melee.rs

@@ -1,8 +1,8 @@
 use crate::{
-    comp::{Attacking, CharacterState, EnergySource, StateUpdate},
+    comp::{Attacking, CharacterState, EnergyChange, EnergySource, StateUpdate},
     states::utils::*,
     sys::character_behavior::{CharacterBehavior, JoinData},
-    Damage, Damages, Knockback,
+    Damage, DamageSource, GroupTarget, Knockback,
 };
 use serde::{Deserialize, Serialize};
 use std::time::Duration;
@@ -76,10 +76,10 @@ impl CharacterBehavior for Data {
 
                     // Hit attempt
                     data.updater.insert(data.entity, Attacking {
-                        damages: Damages::new(
-                            Some(Damage::Melee(self.static_data.base_damage as f32)),
-                            None,
-                        ),
+                        damages: vec![(Some(GroupTarget::OutOfGroup), Damage {
+                            source: DamageSource::Melee,
+                            value: self.static_data.base_damage as f32,
+                        })],
                         range: self.static_data.range,
                         max_angle: 180_f32.to_radians(),
                         applied: false,
@@ -133,7 +133,10 @@ impl CharacterBehavior for Data {
         if let Some(attack) = data.attacking {
             if attack.applied && attack.hit_count > 0 {
                 data.updater.remove::<Attacking>(data.entity);
-                update.energy.change_by(50, EnergySource::HitEnemy);
+                update.energy.change_by(EnergyChange {
+                    amount: 50,
+                    source: EnergySource::HitEnemy,
+                });
             }
         }
 

common/src/states/charged_melee.rs

@@ -1,8 +1,8 @@
 use crate::{
-    comp::{Attacking, CharacterState, EnergySource, StateUpdate},
+    comp::{Attacking, CharacterState, EnergyChange, EnergySource, StateUpdate},
     states::utils::{StageSection, *},
     sys::character_behavior::*,
-    Damage, Damages, Knockback,
+    Damage, DamageSource, GroupTarget, Knockback,
 };
 use serde::{Deserialize, Serialize};
 use std::time::Duration;
@@ -32,6 +32,8 @@ pub struct StaticData {
     pub swing_duration: Duration,
     /// How long the state has until exiting
     pub recover_duration: Duration,
+    /// What key is used to press ability
+    pub ability_key: AbilityKey,
 }
 
 #[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
@@ -58,7 +60,7 @@ impl CharacterBehavior for Data {
 
         match self.stage_section {
             StageSection::Charge => {
-                if data.inputs.secondary.is_pressed()
+                if ability_key_is_pressed(data, self.static_data.ability_key)
                     && update.energy.current() >= self.static_data.energy_cost
                     && self.timer < self.static_data.charge_duration
                 {
@@ -77,11 +79,11 @@ impl CharacterBehavior for Data {
                     });
 
                     // Consumes energy if there's enough left and RMB is held down
-                    update.energy.change_by(
-                        -(self.static_data.energy_drain as f32 * data.dt.0) as i32,
-                        EnergySource::Ability,
-                    );
-                } else if data.inputs.secondary.is_pressed()
+                    update.energy.change_by(EnergyChange {
+                        amount: -(self.static_data.energy_drain as f32 * data.dt.0) as i32,
+                        source: EnergySource::Ability,
+                    });
+                } else if ability_key_is_pressed(data, self.static_data.ability_key)
                     && update.energy.current() >= self.static_data.energy_cost
                 {
                     // Maintains charge
@@ -94,10 +96,10 @@ impl CharacterBehavior for Data {
                     });
 
                     // Consumes energy if there's enough left and RMB is held down
-                    update.energy.change_by(
-                        -(self.static_data.energy_drain as f32 * data.dt.0 / 5.0) as i32,
-                        EnergySource::Ability,
-                    );
+                    update.energy.change_by(EnergyChange {
+                        amount: -(self.static_data.energy_drain as f32 * data.dt.0 / 5.0) as i32,
+                        source: EnergySource::Ability,
+                    });
                 } else {
                     // Transitions to swing
                     update.character = CharacterState::ChargedMelee(Data {
@@ -109,16 +111,21 @@ impl CharacterBehavior for Data {
             },
             StageSection::Swing => {
                 if !self.exhausted {
-                    let damage = self.static_data.initial_damage as f32
-                        + (self.static_data.max_damage - self.static_data.initial_damage) as f32
-                            * self.charge_amount;
+                    let mut damage = Damage {
+                        source: DamageSource::Melee,
+                        value: self.static_data.max_damage as f32,
+                    };
+                    damage.interpolate_damage(
+                        self.charge_amount,
+                        self.static_data.initial_damage as f32,
+                    );
                     let knockback = self.static_data.initial_knockback
                         + (self.static_data.max_knockback - self.static_data.initial_knockback)
                             * self.charge_amount;
 
                     // Hit attempt
                     data.updater.insert(data.entity, Attacking {
-                        damages: Damages::new(Some(Damage::Melee(damage)), None),
+                        damages: vec![(Some(GroupTarget::OutOfGroup), damage)],
                         range: self.static_data.range,
                         max_angle: self.static_data.max_angle.to_radians(),
                         applied: false,

common/src/states/charged_ranged.rs

@@ -1,13 +1,13 @@
 use crate::{
     comp::{
         buff::{Buff, BuffCategory, BuffData, BuffKind, BuffSource},
-        projectile, Body, CharacterState, EnergySource, Gravity, LightEmitter, Projectile,
-        StateUpdate,
+        projectile, Body, CharacterState, EnergyChange, EnergySource, Gravity, LightEmitter,
+        Projectile, StateUpdate,
     },
     event::ServerEvent,
     states::utils::*,
     sys::character_behavior::{CharacterBehavior, JoinData},
-    Damage, Damages, Knockback,
+    Damage, DamageSource, GroupTarget, Knockback,
 };
 use serde::{Deserialize, Serialize};
 use std::time::Duration;
@@ -37,6 +37,8 @@ pub struct StaticData {
     pub projectile_gravity: Option<Gravity>,
     pub initial_projectile_speed: f32,
     pub max_projectile_speed: f32,
+    /// What key is used to press ability
+    pub ability_key: AbilityKey,
 }
 
 #[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
@@ -80,14 +82,15 @@ impl CharacterBehavior for Data {
                 }
             },
             StageSection::Charge => {
-                if !data.inputs.secondary.is_pressed() && !self.exhausted {
+                if !ability_key_is_pressed(data, self.static_data.ability_key) && !self.exhausted {
                     let charge_frac = (self.timer.as_secs_f32()
                         / self.static_data.charge_duration.as_secs_f32())
                     .min(1.0);
-                    let damage = self.static_data.initial_damage as f32
-                        + (charge_frac
-                            * (self.static_data.max_damage - self.static_data.initial_damage)
-                                as f32);
+                    let mut damage = Damage {
+                        source: DamageSource::Projectile,
+                        value: self.static_data.max_damage as f32,
+                    };
+                    damage.interpolate_damage(charge_frac, self.static_data.initial_damage as f32);
                     let knockback = self.static_data.initial_knockback as f32
                         + (charge_frac
                             * (self.static_data.max_knockback - self.static_data.initial_knockback)
@@ -96,17 +99,14 @@ impl CharacterBehavior for Data {
                     let mut projectile = Projectile {
                         hit_solid: vec![projectile::Effect::Stick],
                         hit_entity: vec![
-                            projectile::Effect::Damages(Damages::new(
-                                Some(Damage::Projectile(damage)),
-                                None,
-                            )),
+                            projectile::Effect::Damage(Some(GroupTarget::OutOfGroup), damage),
                             projectile::Effect::Knockback(Knockback::Away(knockback)),
                             projectile::Effect::Vanish,
                             projectile::Effect::Buff {
                                 buff: Buff::new(
                                     BuffKind::Bleeding,
                                     BuffData {
-                                        strength: damage / 5.0,
+                                        strength: damage.value / 5.0,
                                         duration: Some(Duration::from_secs(5)),
                                     },
                                     vec![BuffCategory::Physical],
@@ -140,7 +140,7 @@ impl CharacterBehavior for Data {
                         ..*self
                     });
                 } else if self.timer < self.static_data.charge_duration
-                    && data.inputs.secondary.is_pressed()
+                    && ability_key_is_pressed(data, self.static_data.ability_key)
                 {
                     // Charges
                     update.character = CharacterState::ChargedRanged(Data {
@@ -152,11 +152,11 @@ impl CharacterBehavior for Data {
                     });
 
                     // Consumes energy if there's enough left and RMB is held down
-                    update.energy.change_by(
-                        -(self.static_data.energy_drain as f32 * data.dt.0) as i32,
-                        EnergySource::Ability,
-                    );
-                } else if data.inputs.secondary.is_pressed() {
+                    update.energy.change_by(EnergyChange {
+                        amount: -(self.static_data.energy_drain as f32 * data.dt.0) as i32,
+                        source: EnergySource::Ability,
+                    });
+                } else if ability_key_is_pressed(data, self.static_data.ability_key) {
                     // Holds charge
                     update.character = CharacterState::ChargedRanged(Data {
                         timer: self
@@ -167,10 +167,10 @@ impl CharacterBehavior for Data {
                     });
 
                     // Consumes energy if there's enough left and RMB is held down
-                    update.energy.change_by(
-                        -(self.static_data.energy_drain as f32 * data.dt.0 / 5.0) as i32,
-                        EnergySource::Ability,
-                    );
+                    update.energy.change_by(EnergyChange {
+                        amount: -(self.static_data.energy_drain as f32 * data.dt.0 / 5.0) as i32,
+                        source: EnergySource::Ability,
+                    });
                 }
             },
             StageSection::Recover => {

common/src/states/combo_melee.rs

@@ -1,8 +1,8 @@
 use crate::{
-    comp::{Attacking, CharacterState, EnergySource, StateUpdate},
+    comp::{Attacking, CharacterState, EnergyChange, EnergySource, StateUpdate},
     states::utils::*,
     sys::character_behavior::{CharacterBehavior, JoinData},
-    Damage, Damages, Knockback,
+    Damage, DamageSource, GroupTarget, Knockback,
 };
 use serde::{Deserialize, Serialize};
 use std::time::Duration;
@@ -54,6 +54,8 @@ pub struct StaticData {
     pub max_speed_increase: f32,
     /// Whether the state can be interrupted by other abilities
     pub is_interruptible: bool,
+    /// What key is used to press ability
+    pub ability_key: AbilityKey,
 }
 /// A sequence of attacks that can incrementally become faster and more
 /// damaging.
@@ -84,7 +86,9 @@ impl CharacterBehavior for Data {
         let stage_index = (self.stage - 1) as usize;
 
         // Allows for other states to interrupt this state
-        if self.static_data.is_interruptible && !data.inputs.primary.is_pressed() {
+        if self.static_data.is_interruptible
+            && !ability_key_is_pressed(data, self.static_data.ability_key)
+        {
             handle_interrupt(data, &mut update);
             match update.character {
                 CharacterState::ComboMelee(_) => {},
@@ -127,7 +131,10 @@ impl CharacterBehavior for Data {
                                 * self.static_data.stage_data[stage_index].damage_increase,
                     );
                     data.updater.insert(data.entity, Attacking {
-                        damages: Damages::new(Some(Damage::Melee(damage as f32)), None),
+                        damages: vec![(Some(GroupTarget::OutOfGroup), Damage {
+                            source: DamageSource::Melee,
+                            value: damage as f32,
+                        })],
                         range: self.static_data.stage_data[stage_index].range,
                         max_angle: self.static_data.stage_data[stage_index].angle.to_radians(),
                         applied: false,
@@ -177,7 +184,7 @@ impl CharacterBehavior for Data {
             StageSection::Recover => {
                 if self.timer < self.static_data.stage_data[stage_index].base_recover_duration {
                     // Recovers
-                    if data.inputs.primary.is_pressed() {
+                    if ability_key_is_pressed(data, self.static_data.ability_key) {
                         // Checks if state will transition to next stage after recover
                         update.character = CharacterState::ComboMelee(Data {
                             static_data: self.static_data.clone(),
@@ -255,7 +262,10 @@ impl CharacterBehavior for Data {
                     next_stage: self.next_stage,
                 });
                 data.updater.remove::<Attacking>(data.entity);
-                update.energy.change_by(energy, EnergySource::HitEnemy);
+                update.energy.change_by(EnergyChange {
+                    amount: energy,
+                    source: EnergySource::HitEnemy,
+                });
             }
         }
 

common/src/states/dash_melee.rs

@@ -1,8 +1,8 @@
 use crate::{
-    comp::{Attacking, CharacterState, EnergySource, StateUpdate},
+    comp::{Attacking, CharacterState, EnergyChange, EnergySource, StateUpdate},
     states::utils::*,
     sys::character_behavior::{CharacterBehavior, JoinData},
-    Damage, Damages, Knockback,
+    Damage, DamageSource, GroupTarget, Knockback,
 };
 use serde::{Deserialize, Serialize};
 use std::time::Duration;
@@ -39,6 +39,8 @@ pub struct StaticData {
     pub recover_duration: Duration,
     /// Whether the state can be interrupted by other abilities
     pub is_interruptible: bool,
+    /// What key is used to press ability
+    pub ability_key: AbilityKey,
 }
 
 #[derive(Copy, Clone, Debug, PartialEq, Serialize, Deserialize)]
@@ -66,7 +68,9 @@ impl CharacterBehavior for Data {
         handle_move(data, &mut update, 0.1);
 
         // Allows for other states to interrupt this state
-        if self.static_data.is_interruptible && !data.inputs.secondary.is_pressed() {
+        if self.static_data.is_interruptible
+            && !ability_key_is_pressed(data, self.static_data.ability_key)
+        {
             handle_interrupt(data, &mut update);
             match update.character {
                 CharacterState::DashMelee(_) => {},
@@ -90,7 +94,7 @@ impl CharacterBehavior for Data {
                 } else {
                     // Transitions to charge section of stage
                     update.character = CharacterState::DashMelee(Data {
-                        auto_charge: !data.inputs.secondary.is_pressed(),
+                        auto_charge: !ability_key_is_pressed(data, self.static_data.ability_key),
                         timer: Duration::default(),
                         stage_section: StageSection::Charge,
                         ..*self
@@ -100,7 +104,7 @@ impl CharacterBehavior for Data {
             StageSection::Charge => {
                 if (self.static_data.infinite_charge
                     || self.timer < self.static_data.charge_duration)
-                    && (data.inputs.secondary.is_pressed()
+                    && (ability_key_is_pressed(data, self.static_data.ability_key)
                         || (self.auto_charge && self.timer < self.static_data.charge_duration))
                     && update.energy.current() > 0
                 {
@@ -122,16 +126,20 @@ impl CharacterBehavior for Data {
                             let charge_frac = (self.timer.as_secs_f32()
                                 / self.static_data.charge_duration.as_secs_f32())
                             .min(1.0);
-                            let damage = (self.static_data.max_damage as f32
-                                - self.static_data.base_damage as f32)
-                                * charge_frac
-                                + self.static_data.base_damage as f32;
+                            let mut damage = Damage {
+                                source: DamageSource::Melee,
+                                value: self.static_data.max_damage as f32,
+                            };
+                            damage.interpolate_damage(
+                                charge_frac,
+                                self.static_data.base_damage as f32,
+                            );
                             let knockback = (self.static_data.max_knockback
                                 - self.static_data.base_knockback)
                                 * charge_frac
                                 + self.static_data.base_knockback;
                             data.updater.insert(data.entity, Attacking {
-                                damages: Damages::new(Some(Damage::Melee(damage)), None),
+                                damages: vec![(Some(GroupTarget::OutOfGroup), damage)],
                                 range: self.static_data.range,
                                 max_angle: self.static_data.angle.to_radians(),
                                 applied: false,
@@ -172,10 +180,10 @@ impl CharacterBehavior for Data {
                     }
 
                     // Consumes energy if there's enough left and charge has not stopped
-                    update.energy.change_by(
-                        -(self.static_data.energy_drain as f32 * data.dt.0) as i32,
-                        EnergySource::Ability,
-                    );
+                    update.energy.change_by(EnergyChange {
+                        amount: -(self.static_data.energy_drain as f32 * data.dt.0) as i32,
+                        source: EnergySource::Ability,
+                    });
                 } else {
                     // Transitions to swing section of stage
                     update.character = CharacterState::DashMelee(Data {

common/src/states/leap_melee.rs

@@ -2,7 +2,7 @@ use crate::{
     comp::{Attacking, CharacterState, StateUpdate},
     states::utils::{StageSection, *},
     sys::character_behavior::{CharacterBehavior, JoinData},
-    Damage, Damages, Knockback,
+    Damage, DamageSource, GroupTarget, Knockback,
 };
 use serde::{Deserialize, Serialize};
 use std::time::Duration;
@@ -133,10 +133,10 @@ impl CharacterBehavior for Data {
                 if !self.exhausted {
                     // Hit attempt, when animation plays
                     data.updater.insert(data.entity, Attacking {
-                        damages: Damages::new(
-                            Some(Damage::Melee(self.static_data.base_damage as f32)),
-                            None,
-                        ),
+                        damages: vec![(Some(GroupTarget::OutOfGroup), Damage {
+                            source: DamageSource::Melee,
+                            value: self.static_data.base_damage as f32,
+                        })],
                         range: self.static_data.range,
                         max_angle: self.static_data.max_angle.to_radians(),
                         applied: false,

common/src/states/shockwave.rs

@@ -3,7 +3,7 @@ use crate::{
     event::ServerEvent,
     states::utils::*,
     sys::character_behavior::{CharacterBehavior, JoinData},
-    Damage, Damages, Knockback,
+    Damage, DamageSource, GroupTarget, Knockback,
 };
 use serde::{Deserialize, Serialize};
 use std::time::Duration;
@@ -70,10 +70,10 @@ impl CharacterBehavior for Data {
                         vertical_angle: self.static_data.shockwave_vertical_angle,
                         speed: self.static_data.shockwave_speed,
                         duration: self.static_data.shockwave_duration,
-                        damages: Damages::new(
-                            Some(Damage::Shockwave(self.static_data.damage as f32)),
-                            None,
-                        ),
+                        damages: vec![(Some(GroupTarget::OutOfGroup), Damage {
+                            source: DamageSource::Shockwave,
+                            value: self.static_data.damage as f32,
+                        })],
                         knockback: self.static_data.knockback,
                         requires_ground: self.static_data.requires_ground,
                         owner: Some(*data.uid),

common/src/states/spin_melee.rs

@@ -1,11 +1,11 @@
 use crate::{
-    comp::{Attacking, CharacterState, EnergySource, StateUpdate},
+    comp::{Attacking, CharacterState, EnergyChange, EnergySource, StateUpdate},
     states::utils::*,
     sys::{
         character_behavior::{CharacterBehavior, JoinData},
         phys::GRAVITY,
     },
-    Damage, Damages, Knockback,
+    Damage, DamageSource, GroupTarget, Knockback,
 };
 use serde::{Deserialize, Serialize};
 use std::time::Duration;
@@ -38,6 +38,8 @@ pub struct StaticData {
     pub forward_speed: f32,
     /// Number of spins
     pub num_spins: u32,
+    /// What key is used to press ability
+    pub ability_key: AbilityKey,
 }
 
 #[derive(Copy, Clone, Debug, PartialEq, Serialize, Deserialize)]
@@ -65,7 +67,9 @@ impl CharacterBehavior for Data {
         }
 
         // Allows for other states to interrupt this state
-        if self.static_data.is_interruptible && !data.inputs.ability3.is_pressed() {
+        if self.static_data.is_interruptible
+            && !ability_key_is_pressed(data, self.static_data.ability_key)
+        {
             handle_interrupt(data, &mut update);
             match update.character {
                 CharacterState::SpinMelee(_) => {},
@@ -104,10 +108,10 @@ impl CharacterBehavior for Data {
                     });
                     // Hit attempt
                     data.updater.insert(data.entity, Attacking {
-                        damages: Damages::new(
-                            Some(Damage::Melee(self.static_data.base_damage as f32)),
-                            None,
-                        ),
+                        damages: vec![(Some(GroupTarget::OutOfGroup), Damage {
+                            source: DamageSource::Melee,
+                            value: self.static_data.base_damage as f32,
+                        })],
                         range: self.static_data.range,
                         max_angle: 180_f32.to_radians(),
                         applied: false,
@@ -137,7 +141,8 @@ impl CharacterBehavior for Data {
                     });
                 } else if update.energy.current() >= self.static_data.energy_cost
                     && (self.spins_remaining != 0
-                        || (self.static_data.is_infinite && data.inputs.secondary.is_pressed()))
+                        || (self.static_data.is_infinite
+                            && ability_key_is_pressed(data, self.static_data.ability_key)))
                 {
                     let new_spins_remaining = if self.static_data.is_infinite {
                         self.spins_remaining
@@ -151,10 +156,10 @@ impl CharacterBehavior for Data {
                         ..*self
                     });
                     // Consumes energy if there's enough left and RMB is held down
-                    update.energy.change_by(
-                        -(self.static_data.energy_cost as i32),
-                        EnergySource::Ability,
-                    );
+                    update.energy.change_by(EnergyChange {
+                        amount: -(self.static_data.energy_cost as i32),
+                        source: EnergySource::Ability,
+                    });
                 } else {
                     // Transitions to recover section of stage
                     update.character = CharacterState::SpinMelee(Data {

common/src/sys/agent.rs

@@ -6,7 +6,7 @@ use crate::{
         group::Invite,
         item::{tool::ToolKind, ItemKind},
         Agent, Alignment, Body, CharacterState, ControlAction, ControlEvent, Controller, Energy,
-        GroupManip, LightEmitter, Loadout, MountState, Ori, PhysicsState, Pos, Scale, Stats,
+        GroupManip, Health, LightEmitter, Loadout, MountState, Ori, PhysicsState, Pos, Scale,
         UnresolvedChatMsg, Vel,
     },
     event::{EventBus, ServerEvent},
@@ -46,7 +46,7 @@ impl<'a> System<'a> for Sys {
         ReadStorage<'a, Vel>,
         ReadStorage<'a, Ori>,
         ReadStorage<'a, Scale>,
-        ReadStorage<'a, Stats>,
+        ReadStorage<'a, Health>,
         ReadStorage<'a, Loadout>,
         ReadStorage<'a, PhysicsState>,
         ReadStorage<'a, Uid>,
@@ -76,7 +76,7 @@ impl<'a> System<'a> for Sys {
             velocities,
             orientations,
             scales,
-            stats,
+            healths,
             loadouts,
             physics_states,
             uids,
@@ -261,8 +261,8 @@ impl<'a> System<'a> for Sys {
                         }
                     },
                     Activity::Follow { target, chaser } => {
-                        if let (Some(tgt_pos), _tgt_stats) =
-                            (positions.get(*target), stats.get(*target))
+                        if let (Some(tgt_pos), _tgt_health) =
+                            (positions.get(*target), healths.get(*target))
                         {
                             let dist = pos.0.distance(tgt_pos.0);
                             // Follow, or return to idle
@@ -329,9 +329,9 @@ impl<'a> System<'a> for Sys {
                             _ => Tactic::Melee,
                         };
 
-                        if let (Some(tgt_pos), Some(tgt_stats), tgt_alignment) = (
+                        if let (Some(tgt_pos), Some(tgt_health), tgt_alignment) = (
                             positions.get(*target),
-                            stats.get(*target),
+                            healths.get(*target),
                             alignments.get(*target).copied().unwrap_or(
                                 uids.get(*target)
                                     .copied()
@@ -346,7 +346,7 @@ impl<'a> System<'a> for Sys {
                             // Don't attack entities we are passive towards
                             // TODO: This is here, it's a bit of a hack
                             if let Some(alignment) = alignment {
-                                if alignment.passive_towards(tgt_alignment) || tgt_stats.is_dead {
+                                if alignment.passive_towards(tgt_alignment) || tgt_health.is_dead {
                                     do_idle = true;
                                     break 'activity;
                                 }
@@ -354,9 +354,9 @@ impl<'a> System<'a> for Sys {
 
                             let dist_sqrd = pos.0.distance_squared(tgt_pos.0);
 
-                            let damage = stats
+                            let damage = healths
                                 .get(entity)
-                                .map(|s| s.health.current() as f32 / s.health.maximum() as f32)
+                                .map(|h| h.current() as f32 / h.maximum() as f32)
                                 .unwrap_or(0.5);
 
                             // Flee
@@ -557,9 +557,9 @@ impl<'a> System<'a> for Sys {
             if choose_target {
                 // Search for new targets (this looks expensive, but it's only run occasionally)
                 // TODO: Replace this with a better system that doesn't consider *all* entities
-                let closest_entity = (&entities, &positions, &stats, alignments.maybe(), char_states.maybe())
+                let closest_entity = (&entities, &positions, &healths, alignments.maybe(), char_states.maybe())
                     .join()
-                    .filter(|(e, e_pos, e_stats, e_alignment, char_state)| {
+                    .filter(|(e, e_pos, e_health, e_alignment, char_state)| {
                         let mut search_dist = SEARCH_DIST;
                         let mut listen_dist = LISTEN_DIST;
                         if char_state.map_or(false, |c_s| c_s.is_stealthy()) {
@@ -573,7 +573,7 @@ impl<'a> System<'a> for Sys {
                                 // Within listen distance
                                 || e_pos.0.distance_squared(pos.0) < listen_dist.powf(2.0))
                             && *e != entity
-                            && !e_stats.is_dead
+                            && !e_health.is_dead
                             && alignment
                                 .and_then(|a| e_alignment.map(|b| a.hostile_towards(*b)))
                                 .unwrap_or(false)
@@ -602,20 +602,16 @@ impl<'a> System<'a> for Sys {
             // last!) ---
 
             // Attack a target that's attacking us
-            if let Some(my_stats) = stats.get(entity) {
+            if let Some(my_health) = healths.get(entity) {
                 // Only if the attack was recent
-                if my_stats.health.last_change.0 < 3.0 {
-                    if let comp::HealthSource::Attack { by }
-                    | comp::HealthSource::Projectile { owner: Some(by) }
-                    | comp::HealthSource::Energy { owner: Some(by) }
-                    | comp::HealthSource::Buff { owner: Some(by) }
-                    | comp::HealthSource::Explosion { owner: Some(by) } =
-                        my_stats.health.last_change.1.cause
+                if my_health.last_change.0 < 3.0 {
+                    if let comp::HealthSource::Damage { by: Some(by), .. } =
+                        my_health.last_change.1.cause
                     {
                         if !agent.activity.is_attack() {
                             if let Some(attacker) = uid_allocator.retrieve_entity_internal(by.id())
                             {
-                                if stats.get(attacker).map_or(false, |a| !a.is_dead) {
+                                if healths.get(attacker).map_or(false, |a| !a.is_dead) {
                                     match agent.activity {
                                         Activity::Attack { target, .. } if target == attacker => {},
                                         _ => {
@@ -658,12 +654,10 @@ impl<'a> System<'a> for Sys {
                     }
 
                     // Attack owner's attacker
-                    let owner_stats = stats.get(owner)?;
-                    if owner_stats.health.last_change.0 < 5.0
-                        && owner_stats.health.last_change.1.amount < 0
-                    {
-                        if let comp::HealthSource::Attack { by } =
-                            owner_stats.health.last_change.1.cause
+                    let owner_health = healths.get(owner)?;
+                    if owner_health.last_change.0 < 5.0 && owner_health.last_change.1.amount < 0 {
+                        if let comp::HealthSource::Damage { by: Some(by), .. } =
+                            owner_health.last_change.1.cause
                         {
                             if !agent.activity.is_attack() {
                                 let attacker = uid_allocator.retrieve_entity_internal(by.id())?;

common/src/sys/beam.rs

@@ -1,19 +1,17 @@
 use crate::{
     comp::{
-        group, Beam, BeamSegment, Body, CharacterState, Energy, EnergySource, HealthChange,
-        HealthSource, Last, Loadout, Ori, Pos, Scale, Stats,
+        group, Beam, BeamSegment, Body, Energy, EnergyChange, EnergySource, Health, HealthChange,
+        HealthSource, Last, Loadout, Ori, Pos, Scale,
     },
     event::{EventBus, ServerEvent},
     state::{DeltaTime, Time},
     sync::{Uid, UidAllocator},
-    Damage,
+    GroupTarget,
 };
 use specs::{saveload::MarkerAllocator, Entities, Join, Read, ReadStorage, System, WriteStorage};
 use std::time::Duration;
 use vek::*;
 
-pub const BLOCK_ANGLE: f32 = 180.0;
-
 /// This system is responsible for handling beams that heal or do damage
 pub struct Sys;
 impl<'a> System<'a> for Sys {
@@ -30,11 +28,10 @@ impl<'a> System<'a> for Sys {
         ReadStorage<'a, Ori>,
         ReadStorage<'a, Scale>,
         ReadStorage<'a, Body>,
-        ReadStorage<'a, Stats>,
+        ReadStorage<'a, Health>,
         ReadStorage<'a, Loadout>,
         ReadStorage<'a, group::Group>,
-        ReadStorage<'a, CharacterState>,
-        WriteStorage<'a, Energy>,
+        ReadStorage<'a, Energy>,
         WriteStorage<'a, BeamSegment>,
         WriteStorage<'a, Beam>,
     );
@@ -53,11 +50,10 @@ impl<'a> System<'a> for Sys {
             orientations,
             scales,
             bodies,
-            stats,
+            healths,
             loadouts,
             groups,
-            character_states,
-            mut energies,
+            energies,
             mut beam_segments,
             mut beams,
         ): Self::SystemData,
@@ -68,8 +64,8 @@ impl<'a> System<'a> for Sys {
         let dt = dt.0;
 
         // Beams
-        for (entity, uid, pos, ori, beam_segment) in
-            (&entities, &uids, &positions, &orientations, &beam_segments).join()
+        for (entity, pos, ori, beam_segment) in
+            (&entities, &positions, &orientations, &beam_segments).join()
         {
             let creation_time = match beam_segment.creation {
                 Some(time) => time,
@@ -116,26 +112,14 @@ impl<'a> System<'a> for Sys {
             };
 
             // Go through all other effectable entities
-            for (
-                b,
-                uid_b,
-                pos_b,
-                last_pos_b_maybe,
-                ori_b,
-                scale_b_maybe,
-                character_b,
-                stats_b,
-                body_b,
-            ) in (
+            for (b, uid_b, pos_b, last_pos_b_maybe, scale_b_maybe, health_b, body_b) in (
                 &entities,
                 &uids,
                 &positions,
                 // TODO: make sure that these are maintained on the client and remove `.maybe()`
                 last_positions.maybe(),
-                &orientations,
                 scales.maybe(),
-                character_states.maybe(),
-                &stats,
+                &healths,
                 &bodies,
             )
                 .join()
@@ -152,7 +136,7 @@ impl<'a> System<'a> for Sys {
 
                 // Check if it is a hit
                 let hit = entity != b
-                    && !stats_b.is_dead
+                    && !health_b.is_dead
                     // Collision shapes
                     && (sphere_wedge_cylinder_collision(pos.0, frame_start_dist, frame_end_dist, *ori.0, beam_segment.angle, pos_b.0, rad_b, height_b)
                     || last_pos_b_maybe.map_or(false, |pos_maybe| {sphere_wedge_cylinder_collision(pos.0, frame_start_dist, frame_end_dist, *ori.0, beam_segment.angle, (pos_maybe.0).0, rad_b, height_b)}));
@@ -163,63 +147,74 @@ impl<'a> System<'a> for Sys {
                         .map(|group_a| Some(group_a) == groups.get(b))
                         .unwrap_or(Some(*uid_b) == beam_segment.owner);
 
+                    let target_group = if same_group {
+                        GroupTarget::InGroup
+                    } else {
+                        GroupTarget::OutOfGroup
+                    };
+
                     // If owner, shouldn't heal or damage
                     if Some(*uid_b) == beam_segment.owner {
                         continue;
                     }
 
-                    let damage = if let Some(damage) = beam_segment.damages.get_damage(same_group) {
-                        damage
-                    } else {
-                        continue;
-                    };
-
-                    let block = character_b.map(|c_b| c_b.is_block()).unwrap_or(false)
-                        // TODO: investigate whether this calculation is proper for beams
-                        && ori_b.0.angle_between(pos.0 - pos_b.0) < BLOCK_ANGLE.to_radians() / 2.0;
-
-                    let change = damage.modify_damage(block, loadouts.get(b), beam_segment.owner);
-
-                    if !matches!(damage, Damage::Healing(_)) {
-                        server_emitter.emit(ServerEvent::Damage {
-                            uid: *uid_b,
-                            change,
-                        });
-                        if beam_segment.lifesteal_eff > 0.0 {
-                            server_emitter.emit(ServerEvent::Damage {
-                                uid: beam_segment.owner.unwrap_or(*uid),
-                                change: HealthChange {
-                                    amount: (-change.amount as f32 * beam_segment.lifesteal_eff)
-                                        as i32,
-                                    cause: HealthSource::Healing {
-                                        by: beam_segment.owner,
-                                    },
-                                },
-                            });
+                    for (target, damage) in beam_segment.damages.iter() {
+                        if let Some(target) = target {
+                            if *target != target_group {
+                                continue;
+                            }
                         }
-                        if let Some(energy_mut) = beam_owner.and_then(|o| energies.get_mut(o)) {
-                            energy_mut.change_by(
-                                beam_segment.energy_regen as i32,
-                                EnergySource::HitEnemy,
-                            );
-                        }
-                    } else if let Some(energy_mut) = beam_owner.and_then(|o| energies.get_mut(o)) {
-                        if energy_mut
-                            .try_change_by(
-                                -(beam_segment.energy_cost as i32), // Stamina use
-                                EnergySource::Ability,
-                            )
-                            .is_ok()
-                        {
-                            server_emitter.emit(ServerEvent::Damage {
-                                uid: *uid_b,
-                                change,
-                            });
+
+                        //  Modify damage
+                        let change = damage.modify_damage(loadouts.get(b), beam_segment.owner);
+
+                        match target {
+                            Some(GroupTarget::OutOfGroup) => {
+                                server_emitter.emit(ServerEvent::Damage { entity: b, change });
+                                if let Some(entity) = beam_owner {
+                                    server_emitter.emit(ServerEvent::Damage {
+                                        entity,
+                                        change: HealthChange {
+                                            amount: (-change.amount as f32
+                                                * beam_segment.lifesteal_eff)
+                                                as i32,
+                                            cause: HealthSource::Heal {
+                                                by: beam_segment.owner,
+                                            },
+                                        },
+                                    });
+                                    server_emitter.emit(ServerEvent::EnergyChange {
+                                        entity,
+                                        change: EnergyChange {
+                                            amount: beam_segment.energy_regen as i32,
+                                            source: EnergySource::HitEnemy,
+                                        },
+                                    });
+                                }
+                            },
+                            Some(GroupTarget::InGroup) => {
+                                if let Some(energy) = beam_owner.and_then(|o| energies.get(o)) {
+                                    if energy.current() > beam_segment.energy_cost {
+                                        server_emitter.emit(ServerEvent::EnergyChange {
+                                            entity: beam_owner.unwrap(), /* If it's able to get an energy
+                                                                          * component, the entity exists */
+                                            change: EnergyChange {
+                                                amount: -(beam_segment.energy_cost as i32), // Stamina use
+                                                source: EnergySource::Ability,
+                                            },
+                                        });
+                                        server_emitter
+                                            .emit(ServerEvent::Damage { entity: b, change });
+                                    }
+                                }
+                            },
+                            None => {},
                         }
+
+                        // Adds entities that were hit to the hit_entities list on the beam, sees if
+                        // it needs to purge the hit_entities list
+                        hit_entities.push(*uid_b);
                     }
-                    // Adds entities that were hit to the hit_entities list on the beam, sees if it
-                    // needs to purge the hit_entities list
-                    hit_entities.push(*uid_b);
                 }
             }
         }

common/src/sys/buff.rs

@@ -1,11 +1,11 @@
 use crate::{
     comp::{
-        BuffCategory, BuffChange, BuffEffect, BuffId, BuffSource, Buffs, HealthChange,
-        HealthSource, Loadout, ModifierKind, Stats,
+        BuffCategory, BuffChange, BuffEffect, BuffId, BuffSource, Buffs, Health, HealthChange,
+        HealthSource, Loadout, ModifierKind,
     },
     event::{EventBus, ServerEvent},
     state::DeltaTime,
-    sync::Uid,
+    DamageSource,
 };
 use specs::{Entities, Join, Read, ReadStorage, System, WriteStorage};
 use std::time::Duration;
@@ -17,21 +17,20 @@ impl<'a> System<'a> for Sys {
         Entities<'a>,
         Read<'a, DeltaTime>,
         Read<'a, EventBus<ServerEvent>>,
-        ReadStorage<'a, Uid>,
         ReadStorage<'a, Loadout>,
-        WriteStorage<'a, Stats>,
+        WriteStorage<'a, Health>,
         WriteStorage<'a, Buffs>,
     );
 
     fn run(
         &mut self,
-        (entities, dt, server_bus, uids, loadouts, mut stats, mut buffs): Self::SystemData,
+        (entities, dt, server_bus, loadouts, mut healths, mut buffs): Self::SystemData,
     ) {
         let mut server_emitter = server_bus.emitter();
         // Set to false to avoid spamming server
         buffs.set_event_emission(false);
-        stats.set_event_emission(false);
-        for (entity, buff_comp, uid, stat) in (&entities, &mut buffs, &uids, &mut stats).join() {
+        healths.set_event_emission(false);
+        for (entity, buff_comp, health) in (&entities, &mut buffs, &mut healths).join() {
             let mut expired_buffs = Vec::<BuffId>::new();
             for (id, buff) in buff_comp.buffs.iter_mut() {
                 // Tick the buff and subtract delta from it
@@ -63,8 +62,8 @@ impl<'a> System<'a> for Sys {
                 }
             }
 
-            // Call to reset stats to base values
-            stat.health.reset_max();
+            // Call to reset health to base values
+            health.reset_max();
 
             // Iterator over the lists of buffs by kind
             for buff_ids in buff_comp.kinds.values() {
@@ -88,12 +87,15 @@ impl<'a> System<'a> for Sys {
                                     || buff.time.map_or(false, |dur| dur == Duration::default())
                                 {
                                     let cause = if *accumulated > 0.0 {
-                                        HealthSource::Healing { by: buff_owner }
+                                        HealthSource::Heal { by: buff_owner }
                                     } else {
-                                        HealthSource::Buff { owner: buff_owner }
+                                        HealthSource::Damage {
+                                            kind: DamageSource::Other,
+                                            by: buff_owner,
+                                        }
                                     };
                                     server_emitter.emit(ServerEvent::Damage {
-                                        uid: *uid,
+                                        entity,
                                         change: HealthChange {
                                             amount: *accumulated as i32,
                                             cause,
@@ -104,14 +106,10 @@ impl<'a> System<'a> for Sys {
                             },
                             BuffEffect::MaxHealthModifier { value, kind } => match kind {
                                 ModifierKind::Multiplicative => {
-                                    stat.health.set_maximum(
-                                        (stat.health.maximum() as f32 * *value) as u32,
-                                    );
+                                    health.set_maximum((health.maximum() as f32 * *value) as u32);
                                 },
                                 ModifierKind::Additive => {
-                                    stat.health.set_maximum(
-                                        (stat.health.maximum() as f32 + *value) as u32,
-                                    );
+                                    health.set_maximum((health.maximum() as f32 + *value) as u32);
                                 },
                             },
                         };
@@ -127,8 +125,8 @@ impl<'a> System<'a> for Sys {
                 });
             }
 
-            // Remove stats that don't persist on death
-            if stat.is_dead {
+            // Remove buffs that don't persist on death
+            if health.is_dead {
                 server_emitter.emit(ServerEvent::Buff {
                     entity,
                     buff_change: BuffChange::RemoveByCategory {
@@ -141,6 +139,6 @@ impl<'a> System<'a> for Sys {
         }
         // Turned back to true
         buffs.set_event_emission(true);
-        stats.set_event_emission(true);
+        healths.set_event_emission(true);
     }
 }

common/src/sys/character_behavior.rs

@@ -1,7 +1,7 @@
 use crate::{
     comp::{
         Attacking, Beam, Body, CharacterState, ControlAction, Controller, ControllerInputs, Energy,
-        Loadout, Mounting, Ori, PhysicsState, Pos, StateUpdate, Stats, Vel,
+        Health, Loadout, Mounting, Ori, PhysicsState, Pos, StateUpdate, Vel,
     },
     event::{EventBus, LocalEvent, ServerEvent},
     metrics::SysMetrics,
@@ -58,7 +58,7 @@ pub struct JoinData<'a> {
     pub dt: &'a DeltaTime,
     pub controller: &'a Controller,
     pub inputs: &'a ControllerInputs,
-    pub stats: &'a Stats,
+    pub health: &'a Health,
     pub energy: &'a Energy,
     pub loadout: &'a Loadout,
     pub body: &'a Body,
@@ -85,7 +85,7 @@ pub type JoinTuple<'a> = (
     RestrictedMut<'a, Energy>,
     RestrictedMut<'a, Loadout>,
     &'a mut Controller,
-    &'a Stats,
+    &'a Health,
     &'a Body,
     &'a PhysicsState,
     Option<&'a Attacking>,
@@ -123,7 +123,7 @@ impl<'a> JoinData<'a> {
             loadout: j.7.get_unchecked(),
             controller: j.8,
             inputs: &j.8.inputs,
-            stats: j.9,
+            health: j.9,
             body: j.10,
             physics: j.11,
             attacking: j.12,
@@ -155,7 +155,7 @@ impl<'a> System<'a> for Sys {
         WriteStorage<'a, Energy>,
         WriteStorage<'a, Loadout>,
         WriteStorage<'a, Controller>,
-        ReadStorage<'a, Stats>,
+        ReadStorage<'a, Health>,
         ReadStorage<'a, Body>,
         ReadStorage<'a, PhysicsState>,
         ReadStorage<'a, Attacking>,
@@ -182,7 +182,7 @@ impl<'a> System<'a> for Sys {
             mut energies,
             mut loadouts,
             mut controllers,
-            stats,
+            healths,
             bodies,
             physics_states,
             attacking_storage,
@@ -206,7 +206,7 @@ impl<'a> System<'a> for Sys {
             &mut energies.restrict_mut(),
             &mut loadouts.restrict_mut(),
             &mut controllers,
-            &stats,
+            &healths,
             &bodies,
             &physics_states,
             attacking_storage.maybe(),

common/src/sys/melee.rs

@@ -1,18 +1,17 @@
 use crate::{
-    comp::{buff, group, Attacking, Body, CharacterState, Loadout, Ori, Pos, Scale, Stats},
+    comp::{buff, group, Attacking, Body, Health, Loadout, Ori, Pos, Scale},
     event::{EventBus, LocalEvent, ServerEvent},
     metrics::SysMetrics,
     span,
     sync::Uid,
     util::Dir,
+    GroupTarget,
 };
 use rand::{thread_rng, Rng};
 use specs::{Entities, Join, Read, ReadExpect, ReadStorage, System, WriteStorage};
 use std::time::Duration;
 use vek::*;
 
-pub const BLOCK_ANGLE: f32 = 180.0;
-
 /// This system is responsible for handling accepted inputs like moving or
 /// attacking
 pub struct Sys;
@@ -28,10 +27,9 @@ impl<'a> System<'a> for Sys {
         ReadStorage<'a, Ori>,
         ReadStorage<'a, Scale>,
         ReadStorage<'a, Body>,
-        ReadStorage<'a, Stats>,
+        ReadStorage<'a, Health>,
         ReadStorage<'a, Loadout>,
         ReadStorage<'a, group::Group>,
-        ReadStorage<'a, CharacterState>,
         WriteStorage<'a, Attacking>,
     );
 
@@ -47,10 +45,9 @@ impl<'a> System<'a> for Sys {
             orientations,
             scales,
             bodies,
-            stats,
+            healths,
             loadouts,
             groups,
-            character_states,
             mut attacking_storage,
         ): Self::SystemData,
     ) {
@@ -75,17 +72,8 @@ impl<'a> System<'a> for Sys {
             attack.applied = true;
 
             // Go through all other entities
-            for (b, uid_b, pos_b, ori_b, scale_b_maybe, character_b, stats_b, body_b) in (
-                &entities,
-                &uids,
-                &positions,
-                &orientations,
-                scales.maybe(),
-                character_states.maybe(),
-                &stats,
-                &bodies,
-            )
-                .join()
+            for (b, pos_b, scale_b_maybe, health_b, body_b) in
+                (&entities, &positions, scales.maybe(), &healths, &bodies).join()
             {
                 // 2D versions
                 let pos2 = Vec2::from(pos.0);
@@ -99,7 +87,7 @@ impl<'a> System<'a> for Sys {
 
                 // Check if it is a hit
                 if entity != b
-                    && !stats_b.is_dead
+                    && !health_b.is_dead
                     // Spherical wedge shaped attack field
                     && pos.0.distance_squared(pos_b.0) < (rad_b + scale * attack.range).powi(2)
                     && ori2.angle_between(pos_b2 - pos2) < attack.max_angle + (rad_b / pos2.distance(pos_b2)).atan()
@@ -110,23 +98,22 @@ impl<'a> System<'a> for Sys {
                         .map(|group_a| Some(group_a) == groups.get(b))
                         .unwrap_or(false);
 
-                    let damage = if let Some(damage) = attack.damages.get_damage(same_group) {
-                        damage
+                    let target_group = if same_group {
+                        GroupTarget::InGroup
                     } else {
-                        continue;
+                        GroupTarget::OutOfGroup
                     };
 
-                    let block = character_b.map(|c_b| c_b.is_block()).unwrap_or(false)
-                        && ori_b.0.angle_between(pos.0 - pos_b.0) < BLOCK_ANGLE.to_radians() / 2.0;
+                    for (target, damage) in attack.damages.iter() {
+                        if let Some(target) = target {
+                            if *target != target_group {
+                                continue;
+                            }
+                        }
 
-                    let change = damage.modify_damage(block, loadouts.get(b), Some(*uid));
-
-                    if change.amount != 0 {
-                        server_emitter.emit(ServerEvent::Damage {
-                            uid: *uid_b,
-                            change,
-                        });
+                        let change = damage.modify_damage(loadouts.get(b), Some(*uid));
 
+                        server_emitter.emit(ServerEvent::Damage { entity: b, change });
                         // Apply bleeding buff on melee hits with 10% chance
                         // TODO: Don't have buff uniformly applied on all melee attacks
                         if change.amount < 0 && thread_rng().gen::<f32>() < 0.1 {
@@ -144,15 +131,13 @@ impl<'a> System<'a> for Sys {
                                 )),
                             });
                         }
-                        attack.hit_count += 1;
-                    }
-
-                    if change.amount != 0 {
                         let kb_dir = Dir::new((pos_b.0 - pos.0).try_normalized().unwrap_or(*ori.0));
                         let impulse = attack.knockback.calculate_impulse(kb_dir);
                         if !impulse.is_approx_zero() {
                             server_emitter.emit(ServerEvent::Knockback { entity: b, impulse });
                         }
+
+                        attack.hit_count += 1;
                     }
                 }
             }

common/src/sys/projectile.rs

@@ -1,14 +1,15 @@
 use crate::{
     comp::{
         buff::{BuffChange, BuffSource},
-        projectile, Energy, EnergySource, Group, HealthSource, Loadout, Ori, PhysicsState, Pos,
-        Projectile, Vel,
+        projectile, EnergyChange, EnergySource, Group, HealthSource, Loadout, Ori, PhysicsState,
+        Pos, Projectile, Vel,
     },
     event::{EventBus, LocalEvent, ServerEvent},
     metrics::SysMetrics,
     span,
     state::DeltaTime,
     sync::UidAllocator,
+    GroupTarget,
 };
 use rand::{thread_rng, Rng};
 use specs::{
@@ -32,7 +33,6 @@ impl<'a> System<'a> for Sys {
         ReadStorage<'a, Vel>,
         WriteStorage<'a, Ori>,
         WriteStorage<'a, Projectile>,
-        WriteStorage<'a, Energy>,
         ReadStorage<'a, Loadout>,
         ReadStorage<'a, Group>,
     );
@@ -51,7 +51,6 @@ impl<'a> System<'a> for Sys {
             velocities,
             mut orientations,
             mut projectiles,
-            mut energies,
             loadouts,
             groups,
         ): Self::SystemData,
@@ -85,6 +84,13 @@ impl<'a> System<'a> for Sys {
                         .retrieve_entity_internal(other.into())
                         .and_then(|e| groups.get(e))
                     );
+
+                let target_group = if same_group {
+                    GroupTarget::InGroup
+                } else {
+                    GroupTarget::OutOfGroup
+                };
+
                 if projectile.ignore_group
                     // Skip if in the same group
                     && same_group
@@ -98,43 +104,54 @@ impl<'a> System<'a> for Sys {
 
                 for effect in projectile.hit_entity.drain(..) {
                     match effect {
-                        projectile::Effect::Damages(damages) => {
+                        projectile::Effect::Damage(target, damage) => {
                             if Some(other) == projectile.owner {
                                 continue;
                             }
-                            let damage = if let Some(damage) = damages.get_damage(same_group) {
-                                damage
-                            } else {
-                                continue;
-                            };
-                            let other_entity_loadout = uid_allocator
-                                .retrieve_entity_internal(other.into())
-                                .and_then(|e| loadouts.get(e));
-                            let change =
-                                damage.modify_damage(false, other_entity_loadout, projectile.owner);
 
-                            if change.amount != 0 {
-                                server_emitter.emit(ServerEvent::Damage { uid: other, change });
+                            if let Some(target) = target {
+                                if target != target_group {
+                                    continue;
+                                }
+                            }
+
+                            if let Some(other_entity) =
+                                uid_allocator.retrieve_entity_internal(other.into())
+                            {
+                                let other_entity_loadout = loadouts.get(other_entity);
+                                let change =
+                                    damage.modify_damage(other_entity_loadout, projectile.owner);
+                                server_emitter.emit(ServerEvent::Damage {
+                                    entity: other_entity,
+                                    change,
+                                });
                             }
                         },
                         projectile::Effect::Knockback(knockback) => {
-                            if let Some(entity) =
+                            if let Some(other_entity) =
                                 uid_allocator.retrieve_entity_internal(other.into())
                             {
                                 let impulse = knockback.calculate_impulse(ori.0);
                                 if !impulse.is_approx_zero() {
-                                    local_emitter
-                                        .emit(LocalEvent::ApplyImpulse { entity, impulse });
+                                    local_emitter.emit(LocalEvent::ApplyImpulse {
+                                        entity: other_entity,
+                                        impulse,
+                                    });
                                 }
                             }
                         },
                         projectile::Effect::RewardEnergy(energy) => {
-                            if let Some(energy_mut) = projectile
+                            if let Some(entity_owner) = projectile
                                 .owner
-                                .and_then(|o| uid_allocator.retrieve_entity_internal(o.into()))
-                                .and_then(|o| energies.get_mut(o))
+                                .and_then(|u| uid_allocator.retrieve_entity_internal(u.into()))
                             {
-                                energy_mut.change_by(energy as i32, EnergySource::HitEnemy);
+                                server_emitter.emit(ServerEvent::EnergyChange {
+                                    entity: entity_owner,
+                                    change: EnergyChange {
+                                        amount: energy as i32,
+                                        source: EnergySource::HitEnemy,
+                                    },
+                                });
                             }
                         },
                         projectile::Effect::Explode(e) => {
@@ -142,7 +159,6 @@ impl<'a> System<'a> for Sys {
                                 pos: pos.0,
                                 explosion: e,
                                 owner: projectile.owner,
-                                friendly_damage: false,
                                 reagent: None,
                             })
                         },
@@ -157,6 +173,7 @@ impl<'a> System<'a> for Sys {
                                 }
                             }
                         },
+                        // TODO: Change to effect after !1472 merges
                         projectile::Effect::Buff { buff, chance } => {
                             if let Some(entity) =
                                 uid_allocator.retrieve_entity_internal(other.into())
@@ -187,7 +204,6 @@ impl<'a> System<'a> for Sys {
                                 pos: pos.0,
                                 explosion: e,
                                 owner: projectile.owner,
-                                friendly_damage: false,
                                 reagent: None,
                             })
                         },

common/src/sys/shockwave.rs

@@ -1,18 +1,17 @@
 use crate::{
     comp::{
-        group, Body, CharacterState, HealthSource, Last, Loadout, Ori, PhysicsState, Pos, Scale,
-        Shockwave, ShockwaveHitEntities, Stats,
+        group, Body, Health, HealthSource, Last, Loadout, Ori, PhysicsState, Pos, Scale, Shockwave,
+        ShockwaveHitEntities,
     },
     event::{EventBus, LocalEvent, ServerEvent},
     state::{DeltaTime, Time},
     sync::{Uid, UidAllocator},
     util::Dir,
+    GroupTarget,
 };
 use specs::{saveload::MarkerAllocator, Entities, Join, Read, ReadStorage, System, WriteStorage};
 use vek::*;
 
-pub const BLOCK_ANGLE: f32 = 180.0;
-
 /// This system is responsible for handling accepted inputs like moving or
 /// attacking
 pub struct Sys;
@@ -31,10 +30,9 @@ impl<'a> System<'a> for Sys {
         ReadStorage<'a, Ori>,
         ReadStorage<'a, Scale>,
         ReadStorage<'a, Body>,
-        ReadStorage<'a, Stats>,
+        ReadStorage<'a, Health>,
         ReadStorage<'a, Loadout>,
         ReadStorage<'a, group::Group>,
-        ReadStorage<'a, CharacterState>,
         ReadStorage<'a, PhysicsState>,
         WriteStorage<'a, Shockwave>,
         WriteStorage<'a, ShockwaveHitEntities>,
@@ -55,10 +53,9 @@ impl<'a> System<'a> for Sys {
             orientations,
             scales,
             bodies,
-            stats,
+            healths,
             loadouts,
             groups,
-            character_states,
             physics_states,
             mut shockwaves,
             mut shockwave_hit_lists,
@@ -130,10 +127,8 @@ impl<'a> System<'a> for Sys {
                 uid_b,
                 pos_b,
                 last_pos_b_maybe,
-                ori_b,
                 scale_b_maybe,
-                character_b,
-                stats_b,
+                health_b,
                 body_b,
                 physics_state_b,
             ) in (
@@ -142,10 +137,8 @@ impl<'a> System<'a> for Sys {
                 &positions,
                 // TODO: make sure that these are maintained on the client and remove `.maybe()`
                 last_positions.maybe(),
-                &orientations,
                 scales.maybe(),
-                character_states.maybe(),
-                &stats,
+                &healths,
                 &bodies,
                 &physics_states,
             )
@@ -177,9 +170,15 @@ impl<'a> System<'a> for Sys {
                     .map(|group_a| Some(group_a) == groups.get(b))
                     .unwrap_or(Some(*uid_b) == shockwave.owner);
 
+                let target_group = if same_group {
+                    GroupTarget::InGroup
+                } else {
+                    GroupTarget::OutOfGroup
+                };
+
                 // Check if it is a hit
                 let hit = entity != b
-                    && !stats_b.is_dead
+                    && !health_b.is_dead
                     // Collision shapes
                     && {
                         // TODO: write code to collide rect with the arc strip so that we can do
@@ -192,24 +191,19 @@ impl<'a> System<'a> for Sys {
                     && (!shockwave.requires_ground || physics_state_b.on_ground);
 
                 if hit {
-                    let damage = if let Some(damage) = shockwave.damages.get_damage(same_group) {
-                        damage
-                    } else {
-                        continue;
-                    };
+                    for (target, damage) in shockwave.damages.iter() {
+                        if let Some(target) = target {
+                            if *target != target_group {
+                                continue;
+                            }
+                        }
 
-                    let block = character_b.map(|c_b| c_b.is_block()).unwrap_or(false)
-                        && ori_b.0.angle_between(pos.0 - pos_b.0) < BLOCK_ANGLE.to_radians() / 2.0;
+                        let owner_uid = shockwave.owner.unwrap_or(*uid);
+                        let change = damage.modify_damage(loadouts.get(b), Some(owner_uid));
 
-                    let owner_uid = shockwave.owner.unwrap_or(*uid);
-                    let change = damage.modify_damage(block, loadouts.get(b), Some(owner_uid));
-
-                    if change.amount != 0 {
-                        server_emitter.emit(ServerEvent::Damage {
-                            uid: *uid_b,
-                            change,
-                        });
+                        server_emitter.emit(ServerEvent::Damage { entity: b, change });
                         shockwave_hit_list.hit_entities.push(*uid_b);
+
                         let kb_dir = Dir::new((pos_b.0 - pos.0).try_normalized().unwrap_or(*ori.0));
                         let impulse = shockwave.knockback.calculate_impulse(kb_dir);
                         if !impulse.is_approx_zero() {

common/src/sys/stats.rs

@@ -1,5 +1,5 @@
 use crate::{
-    comp::{CharacterState, Energy, EnergySource, HealthSource, Stats},
+    comp::{CharacterState, Energy, EnergyChange, EnergySource, Health, HealthSource, Stats},
     event::{EventBus, ServerEvent},
     metrics::SysMetrics,
     span,
@@ -20,42 +20,59 @@ impl<'a> System<'a> for Sys {
         ReadExpect<'a, SysMetrics>,
         ReadStorage<'a, CharacterState>,
         WriteStorage<'a, Stats>,
+        WriteStorage<'a, Health>,
         WriteStorage<'a, Energy>,
     );
 
     fn run(
         &mut self,
-        (entities, dt, server_event_bus, sys_metrics, character_states, mut stats, mut energies): Self::SystemData,
+        (
+            entities,
+            dt,
+            server_event_bus,
+            sys_metrics,
+            character_states,
+            mut stats,
+            mut healths,
+            mut energies,
+        ): Self::SystemData,
     ) {
         let start_time = std::time::Instant::now();
         span!(_guard, "run", "stats::Sys::run");
         let mut server_event_emitter = server_event_bus.emitter();
 
         // Increment last change timer
-        stats.set_event_emission(false); // avoid unnecessary syncing
-        for stat in (&mut stats).join() {
-            stat.health.last_change.0 += f64::from(dt.0);
+        healths.set_event_emission(false); // avoid unnecessary syncing
+        for health in (&mut healths).join() {
+            health.last_change.0 += f64::from(dt.0);
         }
-        stats.set_event_emission(true);
+        healths.set_event_emission(true);
 
         // Update stats
-        for (entity, mut stats) in (&entities, &mut stats.restrict_mut()).join() {
+        for (entity, mut stats, mut health) in (
+            &entities,
+            &mut stats.restrict_mut(),
+            &mut healths.restrict_mut(),
+        )
+            .join()
+        {
             let (set_dead, level_up) = {
                 let stat = stats.get_unchecked();
+                let health = health.get_unchecked();
                 (
-                    stat.should_die() && !stat.is_dead,
+                    health.should_die() && !health.is_dead,
                     stat.exp.current() >= stat.exp.maximum(),
                 )
             };
 
             if set_dead {
-                let stat = stats.get_mut_unchecked();
+                let health = health.get_mut_unchecked();
                 server_event_emitter.emit(ServerEvent::Destroy {
                     entity,
-                    cause: stat.health.last_change.1.cause,
+                    cause: health.last_change.1.cause,
                 });
 
-                stat.is_dead = true;
+                health.is_dead = true;
             }
 
             if level_up {
@@ -67,9 +84,9 @@ impl<'a> System<'a> for Sys {
                     server_event_emitter.emit(ServerEvent::LevelUp(entity, stat.level.level()));
                 }
 
-                stat.update_max_hp(stat.body_type);
-                stat.health
-                    .set_to(stat.health.maximum(), HealthSource::LevelUp);
+                let health = health.get_mut_unchecked();
+                health.update_max_hp(Some(stat.body_type), stat.level.level());
+                health.set_to(health.maximum(), HealthSource::LevelUp);
             }
         }
 
@@ -96,11 +113,12 @@ impl<'a> System<'a> for Sys {
                     if res {
                         let mut energy = energy.get_mut_unchecked();
                         // Have to account for Calc I differential equations due to acceleration
-                        energy.change_by(
-                            (energy.regen_rate * dt.0 + ENERGY_REGEN_ACCEL * dt.0.powf(2.0) / 2.0)
+                        energy.change_by(EnergyChange {
+                            amount: (energy.regen_rate * dt.0
+                                + ENERGY_REGEN_ACCEL * dt.0.powf(2.0) / 2.0)
                                 as i32,
-                            EnergySource::Regen,
-                        );
+                            source: EnergySource::Regen,
+                        });
                         energy.regen_rate =
                             (energy.regen_rate + ENERGY_REGEN_ACCEL * dt.0).min(100.0);
                     }
@@ -130,9 +148,10 @@ impl<'a> System<'a> for Sys {
                     };
 
                     if res {
-                        energy
-                            .get_mut_unchecked()
-                            .change_by(-3, EnergySource::Regen);
+                        energy.get_mut_unchecked().change_by(EnergyChange {
+                            amount: -3,
+                            source: EnergySource::Regen,
+                        });
                     }
                 },
                 // Non-combat abilities that consume energy;

server/src/cmd.rs

@@ -10,6 +10,7 @@ use chrono::{NaiveTime, Timelike};
 use common::{
     cmd::{ChatCommand, CHAT_COMMANDS, CHAT_SHORTCUTS},
     comp::{self, ChatType, Item, LightEmitter, WaypointArea},
+    effect::Effect,
     event::{EventBus, ServerEvent},
     msg::{DisconnectReason, Notification, PlayerListUpdate, ServerGeneral},
     npc::{self, get_npc_name},
@@ -18,7 +19,7 @@ use common::{
     terrain::{Block, BlockKind, SpriteKind, TerrainChunkSize},
     util::Dir,
     vol::RectVolSize,
-    Explosion, LoadoutBuilder,
+    Damage, DamageSource, Explosion, LoadoutBuilder, RadiusEffect,
 };
 use rand::Rng;
 use specs::{Builder, Entity as EcsEntity, Join, WorldExt};
@@ -393,16 +394,19 @@ fn handle_kill(
     let reason = if client == target {
         comp::HealthSource::Suicide
     } else if let Some(uid) = server.state.read_storage::<Uid>().get(client) {
-        comp::HealthSource::Attack { by: *uid }
+        comp::HealthSource::Damage {
+            kind: DamageSource::Other,
+            by: Some(*uid),
+        }
     } else {
         comp::HealthSource::Command
     };
     server
         .state
         .ecs_mut()
-        .write_storage::<comp::Stats>()
+        .write_storage::<comp::Health>()
         .get_mut(target)
-        .map(|s| s.health.set_to(0, reason));
+        .map(|h| h.set_to(0, reason));
 }
 
 fn handle_time(
@@ -471,13 +475,13 @@ fn handle_health(
     action: &ChatCommand,
 ) {
     if let Ok(hp) = scan_fmt!(&args, &action.arg_fmt(), u32) {
-        if let Some(stats) = server
+        if let Some(health) = server
             .state
             .ecs()
-            .write_storage::<comp::Stats>()
+            .write_storage::<comp::Health>()
             .get_mut(target)
         {
-            stats.health.set_to(hp * 10, comp::HealthSource::Command);
+            health.set_to(hp * 10, comp::HealthSource::Command);
         } else {
             server.notify_client(
                 client,
@@ -656,6 +660,7 @@ fn handle_spawn(
                                 .create_npc(
                                     pos,
                                     comp::Stats::new(get_npc_name(id).into(), body),
+                                    comp::Health::new(body, 1),
                                     LoadoutBuilder::build_loadout(body, alignment, None, false)
                                         .build(),
                                     body,
@@ -762,9 +767,11 @@ fn handle_spawn_training_dummy(
             // Level 0 will prevent exp gain from kill
             stats.level.set_level(0);
 
+            let health = comp::Health::new(body, 0);
+
             server
                 .state
-                .create_npc(pos, stats, comp::Loadout::default(), body)
+                .create_npc(pos, stats, health, comp::Loadout::default(), body)
                 .with(comp::Vel(vel))
                 .with(comp::MountState::Unmounted)
                 .build();
@@ -924,12 +931,12 @@ fn handle_kill_npcs(
     _action: &ChatCommand,
 ) {
     let ecs = server.state.ecs();
-    let mut stats = ecs.write_storage::<comp::Stats>();
+    let mut healths = ecs.write_storage::<comp::Health>();
     let players = ecs.read_storage::<comp::Player>();
     let mut count = 0;
-    for (stats, ()) in (&mut stats, !&players).join() {
+    for (health, ()) in (&mut healths, !&players).join() {
         count += 1;
-        stats.health.set_to(0, comp::HealthSource::Command);
+        health.set_to(0, comp::HealthSource::Command);
     }
     let text = if count > 0 {
         format!("Destroyed {} NPCs.", count)
@@ -1153,16 +1160,20 @@ fn handle_explosion(
                 .emit_now(ServerEvent::Explosion {
                     pos: pos.0,
                     explosion: Explosion {
+                        effects: vec![
+                            RadiusEffect::Entity(
+                                None,
+                                Effect::Damage(Damage {
+                                    source: DamageSource::Explosion,
+                                    value: 100.0 * power,
+                                }),
+                            ),
+                            RadiusEffect::TerrainDestruction(power),
+                        ],
                         radius: 3.0 * power,
-                        max_damage: (100.0 * power) as u32,
-                        min_damage: 0,
-                        max_heal: 0,
-                        min_heal: 0,
-                        terrain_destruction_power: power,
                         energy_regen: 0,
                     },
                     owner: ecs.read_storage::<Uid>().get(target).copied(),
-                    friendly_damage: true,
                     reagent: None,
                 })
         },
@@ -1695,6 +1706,8 @@ fn handle_set_level(
                     PlayerListUpdate::LevelChange(uid, lvl),
                 ));
 
+                let body_type: Option<comp::Body>;
+
                 if let Some(stats) = server
                     .state
                     .ecs_mut()
@@ -1702,13 +1715,20 @@ fn handle_set_level(
                     .get_mut(player)
                 {
                     stats.level.set_level(lvl);
-
-                    stats.update_max_hp(stats.body_type);
-                    stats
-                        .health
-                        .set_to(stats.health.maximum(), comp::HealthSource::LevelUp);
+                    body_type = Some(stats.body_type);
                 } else {
                     error_msg = Some(ChatType::CommandError.server_msg("Player has no stats!"));
+                    body_type = None;
+                }
+
+                if let Some(health) = server
+                    .state
+                    .ecs_mut()
+                    .write_storage::<comp::Health>()
+                    .get_mut(player)
+                {
+                    health.update_max_hp(body_type, lvl);
+                    health.set_to(health.maximum(), comp::HealthSource::LevelUp);
                 }
             },
             Err(e) => {

server/src/events/entity_creation.rs

@@ -3,8 +3,8 @@ use common::{
     character::CharacterId,
     comp::{
         self, beam, humanoid::DEFAULT_HUMANOID_EYE_HEIGHT, shockwave, Agent, Alignment, Body,
-        Gravity, Item, ItemDrop, LightEmitter, Loadout, Ori, Pos, Projectile, Scale, Stats, Vel,
-        WaypointArea,
+        Gravity, Health, Item, ItemDrop, LightEmitter, Loadout, Ori, Pos, Projectile, Scale, Stats,
+        Vel, WaypointArea,
     },
     outcome::Outcome,
     util::Dir,
@@ -37,6 +37,7 @@ pub fn handle_create_npc(
     server: &mut Server,
     pos: Pos,
     stats: Stats,
+    health: Health,
     loadout: Loadout,
     body: Body,
     agent: impl Into<Option<Agent>>,
@@ -55,7 +56,7 @@ pub fn handle_create_npc(
 
     let entity = server
         .state
-        .create_npc(pos, stats, loadout, body)
+        .create_npc(pos, stats, health, loadout, body)
         .with(scale)
         .with(alignment);
 

server/src/events/entity_manipulation.rs

@@ -8,17 +8,18 @@ use common::{
     comp::{
         self, buff,
         chat::{KillSource, KillType},
-        object, Alignment, Body, Group, HealthChange, HealthSource, Item, Player, Pos, Stats,
+        object, Alignment, Body, Energy, EnergyChange, Group, Health, HealthChange, HealthSource,
+        Item, Player, Pos, Stats,
     },
+    effect::Effect,
     lottery::Lottery,
     msg::{PlayerListUpdate, ServerGeneral},
     outcome::Outcome,
     state::BlockChange,
     sync::{Uid, UidAllocator, WorldSyncExt},
-    sys::melee::BLOCK_ANGLE,
     terrain::{Block, TerrainGrid},
     vol::ReadVol,
-    Damage, Explosion,
+    Damage, DamageSource, Explosion, GroupTarget, RadiusEffect,
 };
 use comp::item::Reagent;
 use rand::prelude::*;
@@ -26,13 +27,10 @@ use specs::{join::Join, saveload::MarkerAllocator, Entity as EcsEntity, WorldExt
 use tracing::error;
 use vek::Vec3;
 
-pub fn handle_damage(server: &Server, uid: Uid, change: HealthChange) {
-    let state = &server.state;
-    let ecs = state.ecs();
-    if let Some(entity) = ecs.entity_from_uid(uid.into()) {
-        if let Some(stats) = ecs.write_storage::<Stats>().get_mut(entity) {
-            stats.health.change_by(change);
-        }
+pub fn handle_damage(server: &Server, entity: EcsEntity, change: HealthChange) {
+    let ecs = &server.state.ecs();
+    if let Some(health) = ecs.write_storage::<Health>().get_mut(entity) {
+        health.change_by(change);
     }
 }
 
@@ -75,7 +73,10 @@ pub fn handle_destroy(server: &mut Server, entity: EcsEntity, cause: HealthSourc
     if let Some(_player) = state.ecs().read_storage::<Player>().get(entity) {
         if let Some(uid) = state.ecs().read_storage::<Uid>().get(entity) {
             let kill_source = match cause {
-                HealthSource::Attack { by } => {
+                HealthSource::Damage {
+                    kind: DamageSource::Melee,
+                    by: Some(by),
+                } => {
                     // Get attacker entity
                     if let Some(char_entity) = state.ecs().entity_from_uid(by.into()) {
                         // Check if attacker is another player or entity with stats (npc)
@@ -97,7 +98,10 @@ pub fn handle_destroy(server: &mut Server, entity: EcsEntity, cause: HealthSourc
                         KillSource::NonPlayer("<?>".to_string(), KillType::Melee)
                     }
                 },
-                HealthSource::Projectile { owner: Some(by) } => {
+                HealthSource::Damage {
+                    kind: DamageSource::Projectile,
+                    by: Some(by),
+                } => {
                     // Get projectile owner entity TODO: add names to projectiles and send in
                     // message
                     if let Some(char_entity) = state.ecs().entity_from_uid(by.into()) {
@@ -120,7 +124,10 @@ pub fn handle_destroy(server: &mut Server, entity: EcsEntity, cause: HealthSourc
                         KillSource::NonPlayer("<?>".to_string(), KillType::Projectile)
                     }
                 },
-                HealthSource::Explosion { owner: Some(by) } => {
+                HealthSource::Damage {
+                    kind: DamageSource::Explosion,
+                    by: Some(by),
+                } => {
                     // Get explosion owner entity
                     if let Some(char_entity) = state.ecs().entity_from_uid(by.into()) {
                         // Check if attacker is another player or entity with stats (npc)
@@ -142,7 +149,10 @@ pub fn handle_destroy(server: &mut Server, entity: EcsEntity, cause: HealthSourc
                         KillSource::NonPlayer("<?>".to_string(), KillType::Explosion)
                     }
                 },
-                HealthSource::Energy { owner: Some(by) } => {
+                HealthSource::Damage {
+                    kind: DamageSource::Energy,
+                    by: Some(by),
+                } => {
                     // Get energy owner entity
                     if let Some(char_entity) = state.ecs().entity_from_uid(by.into()) {
                         // Check if attacker is another player or entity with stats (npc)
@@ -164,7 +174,10 @@ pub fn handle_destroy(server: &mut Server, entity: EcsEntity, cause: HealthSourc
                         KillSource::NonPlayer("<?>".to_string(), KillType::Energy)
                     }
                 },
-                HealthSource::Buff { owner: Some(by) } => {
+                HealthSource::Damage {
+                    kind: DamageSource::Other,
+                    by: Some(by),
+                } => {
                     // Get energy owner entity
                     if let Some(char_entity) = state.ecs().entity_from_uid(by.into()) {
                         // Check if attacker is another player or entity with stats (npc)
@@ -174,29 +187,26 @@ pub fn handle_destroy(server: &mut Server, entity: EcsEntity, cause: HealthSourc
                             .get(char_entity)
                             .is_some()
                         {
-                            KillSource::Player(by, KillType::Buff)
+                            KillSource::Player(by, KillType::Other)
                         } else if let Some(stats) =
                             state.ecs().read_storage::<Stats>().get(char_entity)
                         {
-                            KillSource::NonPlayer(stats.name.clone(), KillType::Buff)
+                            KillSource::NonPlayer(stats.name.clone(), KillType::Other)
                         } else {
-                            KillSource::NonPlayer("<?>".to_string(), KillType::Buff)
+                            KillSource::NonPlayer("<?>".to_string(), KillType::Other)
                         }
                     } else {
-                        KillSource::NonPlayer("<?>".to_string(), KillType::Buff)
+                        KillSource::NonPlayer("<?>".to_string(), KillType::Other)
                     }
                 },
                 HealthSource::World => KillSource::FallDamage,
                 HealthSource::Suicide => KillSource::Suicide,
-                HealthSource::Projectile { owner: None }
-                | HealthSource::Explosion { owner: None }
-                | HealthSource::Energy { owner: None }
-                | HealthSource::Buff { owner: None }
+                HealthSource::Damage { .. }
                 | HealthSource::Revive
                 | HealthSource::Command
                 | HealthSource::LevelUp
                 | HealthSource::Item
-                | HealthSource::Healing { by: _ }
+                | HealthSource::Heal { by: _ }
                 | HealthSource::Unknown => KillSource::Other,
             };
             state
@@ -207,12 +217,7 @@ pub fn handle_destroy(server: &mut Server, entity: EcsEntity, cause: HealthSourc
     // Give EXP to the killer if entity had stats
     (|| {
         let mut stats = state.ecs().write_storage::<Stats>();
-        let by = if let HealthSource::Attack { by }
-        | HealthSource::Projectile { owner: Some(by) }
-        | HealthSource::Energy { owner: Some(by) }
-        | HealthSource::Buff { owner: Some(by) }
-        | HealthSource::Explosion { owner: Some(by) } = cause
-        {
+        let by = if let HealthSource::Damage { by: Some(by), .. } = cause {
             by
         } else {
             return;
@@ -452,12 +457,15 @@ pub fn handle_destroy(server: &mut Server, entity: EcsEntity, cause: HealthSourc
 pub fn handle_land_on_ground(server: &Server, entity: EcsEntity, vel: Vec3<f32>) {
     let state = &server.state;
     if vel.z <= -30.0 {
-        if let Some(stats) = state.ecs().write_storage::<comp::Stats>().get_mut(entity) {
+        if let Some(health) = state.ecs().write_storage::<comp::Health>().get_mut(entity) {
             let falldmg = (vel.z.powi(2) / 20.0 - 40.0) * 10.0;
-            let damage = Damage::Falling(falldmg);
+            let damage = Damage {
+                source: DamageSource::Falling,
+                value: falldmg,
+            };
             let loadouts = state.ecs().read_storage::<comp::Loadout>();
-            let change = damage.modify_damage(false, loadouts.get(entity), None);
-            stats.health.change_by(change);
+            let change = damage.modify_damage(loadouts.get(entity), None);
+            health.change_by(change);
         }
     }
 }
@@ -479,9 +487,9 @@ pub fn handle_respawn(server: &Server, entity: EcsEntity) {
 
         state
             .ecs()
-            .write_storage::<comp::Stats>()
+            .write_storage::<comp::Health>()
             .get_mut(entity)
-            .map(|stats| stats.revive());
+            .map(|health| health.revive());
         state
             .ecs()
             .write_storage::<comp::Pos>()
@@ -506,26 +514,30 @@ pub fn handle_explosion(
     pos: Vec3<f32>,
     explosion: Explosion,
     owner: Option<Uid>,
-    friendly_damage: bool,
     reagent: Option<Reagent>,
 ) {
     // Go through all other entities
     let ecs = &server.state.ecs();
 
-    let outcome_power = if explosion.max_heal > explosion.max_damage {
-        (-explosion.terrain_destruction_power).min(explosion.max_heal as f32 / -100.0)
-    } else {
-        explosion
-            .terrain_destruction_power
-            .max(explosion.max_damage as f32 / 100.0)
-    };
     // Add an outcome
+    // Uses radius as outcome power, makes negative if explosion has healing effect
+    let outcome_power = explosion.radius
+        * if explosion.effects.iter().any(
+            |e| matches!(e, RadiusEffect::Entity(_, Effect::Damage(Damage { source: DamageSource::Healing, .. })))
+        ) {
+            -1.0
+        } else {
+            1.0
+        };
     ecs.write_resource::<Vec<Outcome>>()
         .push(Outcome::Explosion {
             pos,
             power: outcome_power,
             radius: explosion.radius,
-            is_attack: explosion.max_heal > 0 || explosion.max_damage > 0,
+            is_attack: explosion
+                .effects
+                .iter()
+                .any(|e| matches!(e, RadiusEffect::Entity(_, Effect::Damage(_)))),
             reagent,
         });
     let owner_entity = owner.and_then(|uid| {
@@ -534,129 +546,126 @@ pub fn handle_explosion(
     });
     let groups = ecs.read_storage::<comp::Group>();
 
-    for (entity_b, pos_b, ori_b, character_b, stats_b, loadout_b) in (
-        &ecs.entities(),
-        &ecs.read_storage::<comp::Pos>(),
-        &ecs.read_storage::<comp::Ori>(),
-        ecs.read_storage::<comp::CharacterState>().maybe(),
-        &mut ecs.write_storage::<comp::Stats>(),
-        ecs.read_storage::<comp::Loadout>().maybe(),
-    )
-        .join()
-    {
-        let distance_squared = pos.distance_squared(pos_b.0);
-        // Check if it is a hit
-        if !stats_b.is_dead
-            // RADIUS
-            && distance_squared < explosion.radius.powi(2)
-        {
-            // See if entities are in the same group
-            let mut same_group = owner_entity
-                .and_then(|e| groups.get(e))
-                .map_or(false, |group_a| Some(group_a) == groups.get(entity_b));
-            if let Some(entity) = owner_entity {
-                if entity == entity_b {
-                    same_group = true;
+    for effect in explosion.effects {
+        match effect {
+            RadiusEffect::TerrainDestruction(power) => {
+                const RAYS: usize = 500;
+
+                // Color terrain
+                let mut touched_blocks = Vec::new();
+                let color_range = power * 2.7;
+                for _ in 0..RAYS {
+                    let dir = Vec3::new(
+                        rand::random::<f32>() - 0.5,
+                        rand::random::<f32>() - 0.5,
+                        rand::random::<f32>() - 0.5,
+                    )
+                    .normalized();
+
+                    let _ = ecs
+                        .read_resource::<TerrainGrid>()
+                        .ray(pos, pos + dir * color_range)
+                        // TODO: Faster RNG
+                        .until(|_| rand::random::<f32>() < 0.05)
+                        .for_each(|_: &Block, pos| touched_blocks.push(pos))
+                        .cast();
                 }
-            }
-            // Don't heal if outside group
-            // Don't damage in the same group
-            let is_damage = (friendly_damage || !same_group) && explosion.max_damage > 0;
-            let is_heal = same_group && explosion.max_heal > 0 && !friendly_damage;
-            if !is_heal && !is_damage {
-                continue;
-            }
 
-            let strength = 1.0 - distance_squared / explosion.radius.powi(2);
-            let damage = if is_heal {
-                Damage::Healing(
-                    explosion.min_heal as f32
-                        + (explosion.max_heal - explosion.min_heal) as f32 * strength,
-                )
-            } else {
-                Damage::Explosion(
-                    explosion.min_damage as f32
-                        + (explosion.max_damage - explosion.min_damage) as f32 * strength,
-                )
-            };
-
-            let block = character_b.map(|c_b| c_b.is_block()).unwrap_or(false)
-                && ori_b.0.angle_between(pos - pos_b.0) < BLOCK_ANGLE.to_radians() / 2.0;
-
-            let change = damage.modify_damage(block, loadout_b, owner);
-
-            if change.amount != 0 {
-                stats_b.health.change_by(change);
-                if let Some(owner) = owner_entity {
-                    if let Some(energy) = ecs.write_storage::<comp::Energy>().get_mut(owner) {
-                        energy
-                            .change_by(explosion.energy_regen as i32, comp::EnergySource::HitEnemy);
+                let terrain = ecs.read_resource::<TerrainGrid>();
+                let mut block_change = ecs.write_resource::<BlockChange>();
+                for block_pos in touched_blocks {
+                    if let Ok(block) = terrain.get(block_pos) {
+                        let diff2 = block_pos.map(|b| b as f32).distance_squared(pos);
+                        let fade = (1.0 - diff2 / color_range.powi(2)).max(0.0);
+                        if let Some(mut color) = block.get_color() {
+                            let r = color[0] as f32
+                                + (fade * (color[0] as f32 * 0.5 - color[0] as f32));
+                            let g = color[1] as f32
+                                + (fade * (color[1] as f32 * 0.3 - color[1] as f32));
+                            let b = color[2] as f32
+                                + (fade * (color[2] as f32 * 0.3 - color[2] as f32));
+                            color[0] = r as u8;
+                            color[1] = g as u8;
+                            color[2] = b as u8;
+                            block_change.set(block_pos, Block::new(block.kind(), color));
+                        }
                     }
                 }
-            }
-        }
-    }
 
-    const RAYS: usize = 500;
+                // Destroy terrain
+                for _ in 0..RAYS {
+                    let dir = Vec3::new(
+                        rand::random::<f32>() - 0.5,
+                        rand::random::<f32>() - 0.5,
+                        rand::random::<f32>() - 0.15,
+                    )
+                    .normalized();
 
-    // Color terrain
-    let mut touched_blocks = Vec::new();
-    let color_range = explosion.terrain_destruction_power * 2.7;
-    for _ in 0..RAYS {
-        let dir = Vec3::new(
-            rand::random::<f32>() - 0.5,
-            rand::random::<f32>() - 0.5,
-            rand::random::<f32>() - 0.5,
-        )
-        .normalized();
-
-        let _ = ecs
-            .read_resource::<TerrainGrid>()
-            .ray(pos, pos + dir * color_range)
-            // TODO: Faster RNG
-            .until(|_| rand::random::<f32>() < 0.05)
-            .for_each(|_: &Block, pos| touched_blocks.push(pos))
-            .cast();
-    }
-
-    let terrain = ecs.read_resource::<TerrainGrid>();
-    let mut block_change = ecs.write_resource::<BlockChange>();
-    for block_pos in touched_blocks {
-        if let Ok(block) = terrain.get(block_pos) {
-            let diff2 = block_pos.map(|b| b as f32).distance_squared(pos);
-            let fade = (1.0 - diff2 / color_range.powi(2)).max(0.0);
-            if let Some(mut color) = block.get_color() {
-                let r = color[0] as f32 + (fade * (color[0] as f32 * 0.5 - color[0] as f32));
-                let g = color[1] as f32 + (fade * (color[1] as f32 * 0.3 - color[1] as f32));
-                let b = color[2] as f32 + (fade * (color[2] as f32 * 0.3 - color[2] as f32));
-                color[0] = r as u8;
-                color[1] = g as u8;
-                color[2] = b as u8;
-                block_change.set(block_pos, Block::new(block.kind(), color));
-            }
-        }
-    }
-
-    // Destroy terrain
-    for _ in 0..RAYS {
-        let dir = Vec3::new(
-            rand::random::<f32>() - 0.5,
-            rand::random::<f32>() - 0.5,
-            rand::random::<f32>() - 0.15,
-        )
-        .normalized();
-
-        let terrain = ecs.read_resource::<TerrainGrid>();
-        let _ = terrain
-            .ray(pos, pos + dir * explosion.terrain_destruction_power)
-            // TODO: Faster RNG
-            .until(|block| block.is_liquid() || rand::random::<f32>() < 0.05)
-            .for_each(|block: &Block, pos| {
-                if block.is_explodable() {
-                    block_change.set(pos, block.into_vacant());
+                    let terrain = ecs.read_resource::<TerrainGrid>();
+                    let _ = terrain
+                        .ray(pos, pos + dir * power)
+                        // TODO: Faster RNG
+                        .until(|block| block.is_liquid() || rand::random::<f32>() < 0.05)
+                        .for_each(|block: &Block, pos| {
+                            if block.is_explodable() {
+                                block_change.set(pos, block.into_vacant());
+                            }
+                        })
+                        .cast();
                 }
-            })
-            .cast();
+            },
+            RadiusEffect::Entity(target, mut effect) => {
+                for (entity_b, pos_b) in (&ecs.entities(), &ecs.read_storage::<comp::Pos>()).join()
+                {
+                    // See if entities are in the same group
+                    let mut same_group = owner_entity
+                        .and_then(|e| groups.get(e))
+                        .map_or(false, |group_a| Some(group_a) == groups.get(entity_b));
+                    if let Some(entity) = owner_entity {
+                        if entity == entity_b {
+                            same_group = true;
+                        }
+                    }
+                    let target_group = if same_group {
+                        GroupTarget::InGroup
+                    } else {
+                        GroupTarget::OutOfGroup
+                    };
+
+                    if let Some(target) = target {
+                        if target != target_group {
+                            continue;
+                        }
+                    }
+
+                    let distance_squared = pos.distance_squared(pos_b.0);
+                    let strength = 1.0 - distance_squared / explosion.radius.powi(2);
+
+                    if strength > 0.0 {
+                        let is_alive = ecs
+                            .read_storage::<comp::Health>()
+                            .get(entity_b)
+                            .map_or(false, |h| !h.is_dead);
+
+                        if is_alive {
+                            effect.modify_strength(strength);
+                            server.state().apply_effect(entity_b, effect, owner);
+                            // Apply energy change
+                            if let Some(owner) = owner_entity {
+                                if let Some(energy) =
+                                    ecs.write_storage::<comp::Energy>().get_mut(owner)
+                                {
+                                    energy.change_by(EnergyChange {
+                                        amount: explosion.energy_regen as i32,
+                                        source: comp::EnergySource::HitEnemy,
+                                    });
+                                }
+                            }
+                        }
+                    }
+                }
+            },
+        }
     }
 }
 
@@ -732,3 +741,10 @@ pub fn handle_buff(server: &mut Server, entity: EcsEntity, buff_change: buff::Bu
         }
     }
 }
+
+pub fn handle_energy_change(server: &Server, entity: EcsEntity, change: EnergyChange) {
+    let ecs = &server.state.ecs();
+    if let Some(energy) = ecs.write_storage::<Energy>().get_mut(entity) {
+        energy.change_by(change);
+    }
+}

server/src/events/inventory_manip.rs

@@ -67,10 +67,10 @@ pub fn handle_inventory(server: &mut Server, entity: EcsEntity, manip: comp::Inv
                     return;
                 };
 
-                // Grab the stats from the player and check if the player is dead.
-                let stats = state.ecs().read_storage::<comp::Stats>();
-                if let Some(entity_stats) = stats.get(entity) {
-                    if entity_stats.is_dead {
+                // Grab the health from the player and check if the player is dead.
+                let healths = state.ecs().read_storage::<comp::Health>();
+                if let Some(entity_health) = healths.get(entity) {
+                    if entity_health.is_dead {
                         debug!("Failed to pick up item as the player is dead");
                         return; // If dead, don't continue
                     }
@@ -349,7 +349,7 @@ pub fn handle_inventory(server: &mut Server, entity: EcsEntity, manip: comp::Inv
 
             drop(inventories);
             if let Some(effect) = maybe_effect {
-                state.apply_effect(entity, effect);
+                state.apply_effect(entity, effect, None);
             }
             if let Some(event) = event {
                 state.write_component(entity, comp::InventoryUpdate::new(event));

server/src/events/mod.rs

@@ -8,8 +8,8 @@ use entity_creation::{
     handle_loaded_character_data, handle_shockwave, handle_shoot,
 };
 use entity_manipulation::{
-    handle_buff, handle_damage, handle_destroy, handle_explosion, handle_knockback,
-    handle_land_on_ground, handle_level_up, handle_respawn,
+    handle_buff, handle_damage, handle_destroy, handle_energy_change, handle_explosion,
+    handle_knockback, handle_land_on_ground, handle_level_up, handle_respawn,
 };
 use group_manip::handle_group;
 use interaction::{handle_lantern, handle_mount, handle_possess, handle_unmount};
@@ -58,9 +58,8 @@ impl Server {
                     pos,
                     explosion,
                     owner,
-                    friendly_damage,
                     reagent,
-                } => handle_explosion(&self, pos, explosion, owner, friendly_damage, reagent),
+                } => handle_explosion(&self, pos, explosion, owner, reagent),
                 ServerEvent::Shoot {
                     entity,
                     dir,
@@ -83,7 +82,7 @@ impl Server {
                 ServerEvent::Knockback { entity, impulse } => {
                     handle_knockback(&self, entity, impulse)
                 },
-                ServerEvent::Damage { uid, change } => handle_damage(&self, uid, change),
+                ServerEvent::Damage { entity, change } => handle_damage(&self, entity, change),
                 ServerEvent::Destroy { entity, cause } => handle_destroy(self, entity, cause),
                 ServerEvent::InventoryManip(entity, manip) => handle_inventory(self, entity, manip),
                 ServerEvent::GroupManip(entity, manip) => handle_group(self, entity, manip),
@@ -110,6 +109,7 @@ impl Server {
                 ServerEvent::CreateNpc {
                     pos,
                     stats,
+                    health,
                     loadout,
                     body,
                     agent,
@@ -117,7 +117,7 @@ impl Server {
                     scale,
                     drop_item,
                 } => handle_create_npc(
-                    self, pos, stats, loadout, body, agent, alignment, scale, drop_item,
+                    self, pos, stats, health, loadout, body, agent, alignment, scale, drop_item,
                 ),
                 ServerEvent::CreateWaypoint(pos) => handle_create_waypoint(self, pos),
                 ServerEvent::ClientDisconnect(entity) => {
@@ -137,6 +137,9 @@ impl Server {
                     entity,
                     buff_change,
                 } => handle_buff(self, entity, buff_change),
+                ServerEvent::EnergyChange { entity, change } => {
+                    handle_energy_change(&self, entity, change)
+                },
             }
         }
 

server/src/persistence/character/conversions.rs

@@ -318,11 +318,11 @@ pub fn convert_stats_from_database(stats: &Stats, alias: String) -> common::comp
     new_stats.level.set_level(stats.level as u32);
     new_stats.exp.update_maximum(stats.level as u32);
     new_stats.exp.set_current(stats.exp as u32);
-    new_stats.update_max_hp(new_stats.body_type);
+    /*new_stats.update_max_hp(new_stats.body_type);
     new_stats.health.set_to(
         new_stats.health.maximum(),
         common::comp::HealthSource::Revive,
-    );
+    );*/
     new_stats.endurance = stats.endurance as u32;
     new_stats.fitness = stats.fitness as u32;
     new_stats.willpower = stats.willpower as u32;

server/src/state_ext.rs

@@ -20,12 +20,13 @@ use vek::*;
 
 pub trait StateExt {
     /// Updates a component associated with the entity based on the `Effect`
-    fn apply_effect(&mut self, entity: EcsEntity, effect: Effect);
+    fn apply_effect(&self, entity: EcsEntity, effect: Effect, source: Option<Uid>);
     /// Build a non-player character
     fn create_npc(
         &mut self,
         pos: comp::Pos,
         stats: comp::Stats,
+        health: comp::Health,
         loadout: comp::Loadout,
         body: comp::Body,
     ) -> EcsEntityBuilder;
@@ -70,13 +71,13 @@ pub trait StateExt {
 }
 
 impl StateExt for State {
-    fn apply_effect(&mut self, entity: EcsEntity, effect: Effect) {
+    fn apply_effect(&self, entity: EcsEntity, effect: Effect, source: Option<Uid>) {
         match effect {
             Effect::Health(change) => {
                 self.ecs()
-                    .write_storage::<comp::Stats>()
+                    .write_storage::<comp::Health>()
                     .get_mut(entity)
-                    .map(|stats| stats.health.change_by(change));
+                    .map(|health| health.change_by(change));
             },
             Effect::Xp(xp) => {
                 self.ecs()
@@ -84,6 +85,14 @@ impl StateExt for State {
                     .get_mut(entity)
                     .map(|stats| stats.exp.change_by(xp));
             },
+            Effect::Damage(damage) => {
+                let loadouts = self.ecs().read_storage::<comp::Loadout>();
+                let change = damage.modify_damage(loadouts.get(entity), source);
+                self.ecs()
+                    .write_storage::<comp::Health>()
+                    .get_mut(entity)
+                    .map(|health| health.change_by(change));
+            },
         }
     }
 
@@ -91,6 +100,7 @@ impl StateExt for State {
         &mut self,
         pos: comp::Pos,
         stats: comp::Stats,
+        health: comp::Health,
         loadout: comp::Loadout,
         body: comp::Body,
     ) -> EcsEntityBuilder {
@@ -107,6 +117,7 @@ impl StateExt for State {
             .with(comp::Controller::default())
             .with(body)
             .with(stats)
+            .with(health)
             .with(comp::Alignment::Npc)
             .with(comp::Energy::new(body.base_energy()))
             .with(comp::Gravity(1.0))
@@ -239,6 +250,10 @@ impl StateExt for State {
                 z_max: body.height(),
             });
             self.write_component(entity, body);
+            self.write_component(
+                entity,
+                comp::Health::new(stats.body_type, stats.level.level()),
+            );
             self.write_component(entity, stats);
             self.write_component(entity, inventory);
             self.write_component(entity, loadout);

server/src/sys/msg/in_game.rs

@@ -1,7 +1,7 @@
 use super::super::SysTimer;
 use crate::{client::Client, metrics::NetworkRequestMetrics, presence::Presence, Settings};
 use common::{
-    comp::{CanBuild, ControlEvent, Controller, ForceUpdate, Ori, Pos, Stats, Vel},
+    comp::{CanBuild, ControlEvent, Controller, ForceUpdate, Health, Ori, Pos, Stats, Vel},
     event::{EventBus, ServerEvent},
     msg::{ClientGeneral, PresenceKind, ServerGeneral},
     span,
@@ -24,6 +24,7 @@ impl Sys {
         can_build: &ReadStorage<'_, CanBuild>,
         force_updates: &ReadStorage<'_, ForceUpdate>,
         stats: &mut WriteStorage<'_, Stats>,
+        healths: &ReadStorage<'_, Health>,
         block_changes: &mut Write<'_, BlockChange>,
         positions: &mut WriteStorage<'_, Pos>,
         velocities: &mut WriteStorage<'_, Vel>,
@@ -78,7 +79,7 @@ impl Sys {
                 if matches!(presence.kind, PresenceKind::Character(_)) {
                     // Skip respawn if client entity is alive
                     if let ControlEvent::Respawn = event {
-                        if stats.get(entity).map_or(true, |s| !s.is_dead) {
+                        if healths.get(entity).map_or(true, |h| !h.is_dead) {
                             //Todo: comment why return!
                             return Ok(());
                         }
@@ -98,7 +99,7 @@ impl Sys {
             ClientGeneral::PlayerPhysics { pos, vel, ori } => {
                 if matches!(presence.kind, PresenceKind::Character(_))
                     && force_updates.get(entity).is_none()
-                    && stats.get(entity).map_or(true, |s| !s.is_dead)
+                    && healths.get(entity).map_or(true, |h| !h.is_dead)
                 {
                     let _ = positions.insert(entity, pos);
                     let _ = velocities.insert(entity, vel);
@@ -176,6 +177,7 @@ impl<'a> System<'a> for Sys {
         ReadStorage<'a, CanBuild>,
         ReadStorage<'a, ForceUpdate>,
         WriteStorage<'a, Stats>,
+        ReadStorage<'a, Health>,
         Write<'a, BlockChange>,
         WriteStorage<'a, Pos>,
         WriteStorage<'a, Vel>,
@@ -197,6 +199,7 @@ impl<'a> System<'a> for Sys {
             can_build,
             force_updates,
             mut stats,
+            healths,
             mut block_changes,
             mut positions,
             mut velocities,
@@ -226,6 +229,7 @@ impl<'a> System<'a> for Sys {
                     &can_build,
                     &force_updates,
                     &mut stats,
+                    &healths,
                     &mut block_changes,
                     &mut positions,
                     &mut velocities,

server/src/sys/object.rs

@@ -1,9 +1,10 @@
 use common::{
     comp::{HealthSource, Object, PhysicsState, Pos, Vel},
+    effect::Effect,
     event::{EventBus, ServerEvent},
     span,
     state::DeltaTime,
-    Explosion,
+    Damage, DamageSource, Explosion, RadiusEffect,
 };
 use specs::{Entities, Join, Read, ReadStorage, System, WriteStorage};
 
@@ -48,16 +49,20 @@ impl<'a> System<'a> for Sys {
                         server_emitter.emit(ServerEvent::Explosion {
                             pos: pos.0,
                             explosion: Explosion {
+                                effects: vec![
+                                    RadiusEffect::Entity(
+                                        None,
+                                        Effect::Damage(Damage {
+                                            source: DamageSource::Explosion,
+                                            value: 500.0,
+                                        }),
+                                    ),
+                                    RadiusEffect::TerrainDestruction(4.0),
+                                ],
                                 radius: 12.0,
-                                max_damage: 500,
-                                min_damage: 100,
-                                max_heal: 0,
-                                min_heal: 0,
-                                terrain_destruction_power: 4.0,
                                 energy_regen: 0,
                             },
                             owner: *owner,
-                            friendly_damage: true,
                             reagent: None,
                         });
                     }
@@ -71,16 +76,20 @@ impl<'a> System<'a> for Sys {
                         server_emitter.emit(ServerEvent::Explosion {
                             pos: pos.0,
                             explosion: Explosion {
+                                effects: vec![
+                                    RadiusEffect::Entity(
+                                        None,
+                                        Effect::Damage(Damage {
+                                            source: DamageSource::Explosion,
+                                            value: 50.0,
+                                        }),
+                                    ),
+                                    RadiusEffect::TerrainDestruction(4.0),
+                                ],
                                 radius: 12.0,
-                                max_damage: 50,
-                                min_damage: 10,
-                                max_heal: 0,
-                                min_heal: 0,
-                                terrain_destruction_power: 4.0,
                                 energy_regen: 0,
                             },
                             owner: *owner,
-                            friendly_damage: true,
                             reagent: Some(*reagent),
                         });
                     }

server/src/sys/sentinel.rs

@@ -1,9 +1,9 @@
 use super::SysTimer;
 use common::{
     comp::{
-        BeamSegment, Body, Buffs, CanBuild, CharacterState, Collider, Energy, Gravity, Group, Item,
-        LightEmitter, Loadout, Mass, MountState, Mounting, Ori, Player, Pos, Scale, Shockwave,
-        Stats, Sticky, Vel,
+        BeamSegment, Body, Buffs, CanBuild, CharacterState, Collider, Energy, Gravity, Group,
+        Health, Item, LightEmitter, Loadout, Mass, MountState, Mounting, Ori, Player, Pos, Scale,
+        Shockwave, Stats, Sticky, Vel,
     },
     msg::EcsCompPacket,
     span,
@@ -46,6 +46,7 @@ pub struct TrackedComps<'a> {
     pub stats: ReadStorage<'a, Stats>,
     pub buffs: ReadStorage<'a, Buffs>,
     pub energy: ReadStorage<'a, Energy>,
+    pub health: ReadStorage<'a, Health>,
     pub can_build: ReadStorage<'a, CanBuild>,
     pub light_emitter: ReadStorage<'a, LightEmitter>,
     pub item: ReadStorage<'a, Item>,
@@ -94,6 +95,10 @@ impl<'a> TrackedComps<'a> {
             .get(entity)
             .cloned()
             .map(|c| comps.push(c.into()));
+        self.health
+            .get(entity)
+            .cloned()
+            .map(|c| comps.push(c.into()));
         self.can_build
             .get(entity)
             .cloned()
@@ -164,6 +169,7 @@ pub struct ReadTrackers<'a> {
     pub stats: ReadExpect<'a, UpdateTracker<Stats>>,
     pub buffs: ReadExpect<'a, UpdateTracker<Buffs>>,
     pub energy: ReadExpect<'a, UpdateTracker<Energy>>,
+    pub health: ReadExpect<'a, UpdateTracker<Health>>,
     pub can_build: ReadExpect<'a, UpdateTracker<CanBuild>>,
     pub light_emitter: ReadExpect<'a, UpdateTracker<LightEmitter>>,
     pub item: ReadExpect<'a, UpdateTracker<Item>>,
@@ -195,6 +201,7 @@ impl<'a> ReadTrackers<'a> {
             .with_component(&comps.uid, &*self.stats, &comps.stats, filter)
             .with_component(&comps.uid, &*self.buffs, &comps.buffs, filter)
             .with_component(&comps.uid, &*self.energy, &comps.energy, filter)
+            .with_component(&comps.uid, &*self.health, &comps.health, filter)
             .with_component(&comps.uid, &*self.can_build, &comps.can_build, filter)
             .with_component(
                 &comps.uid,
@@ -233,6 +240,7 @@ pub struct WriteTrackers<'a> {
     stats: WriteExpect<'a, UpdateTracker<Stats>>,
     buffs: WriteExpect<'a, UpdateTracker<Buffs>>,
     energy: WriteExpect<'a, UpdateTracker<Energy>>,
+    health: WriteExpect<'a, UpdateTracker<Health>>,
     can_build: WriteExpect<'a, UpdateTracker<CanBuild>>,
     light_emitter: WriteExpect<'a, UpdateTracker<LightEmitter>>,
     item: WriteExpect<'a, UpdateTracker<Item>>,
@@ -258,6 +266,7 @@ fn record_changes(comps: &TrackedComps, trackers: &mut WriteTrackers) {
     trackers.stats.record_changes(&comps.stats);
     trackers.buffs.record_changes(&comps.buffs);
     trackers.energy.record_changes(&comps.energy);
+    trackers.health.record_changes(&comps.health);
     trackers.can_build.record_changes(&comps.can_build);
     trackers.light_emitter.record_changes(&comps.light_emitter);
     trackers.item.record_changes(&comps.item);
@@ -296,6 +305,7 @@ fn record_changes(comps: &TrackedComps, trackers: &mut WriteTrackers) {
     log_counts!(player, "Players");
     log_counts!(stats, "Stats");
     log_counts!(energy, "Energies");
+    log_vounts!(health, "Healths");
     log_counts!(light_emitter, "Light emitters");
     log_counts!(item, "Items");
     log_counts!(scale, "Scales");
@@ -319,6 +329,7 @@ pub fn register_trackers(world: &mut World) {
     world.register_tracker::<Stats>();
     world.register_tracker::<Buffs>();
     world.register_tracker::<Energy>();
+    world.register_tracker::<Health>();
     world.register_tracker::<CanBuild>();
     world.register_tracker::<LightEmitter>();
     world.register_tracker::<Item>();

server/src/sys/terrain.rs

@@ -146,11 +146,7 @@ impl<'a> System<'a> for Sys {
                     LoadoutBuilder::build_loadout(body, alignment, main_tool, entity.is_giant)
                         .build();
 
-                stats.update_max_hp(stats.body_type);
-
-                stats
-                    .health
-                    .set_to(stats.health.maximum(), comp::HealthSource::Revive);
+                let health = comp::Health::new(stats.body_type, stats.level.level());
 
                 let can_speak = match body {
                     comp::Body::Humanoid(_) => alignment == comp::Alignment::Npc,
@@ -174,6 +170,7 @@ impl<'a> System<'a> for Sys {
                 server_emitter.emit(ServerEvent::CreateNpc {
                     pos: Pos(entity.pos),
                     stats,
+                    health,
                     loadout,
                     agent: if entity.has_agency {
                         Some(comp::Agent::new(entity.pos, can_speak, &body))

voxygen/src/audio/sfx/event_mapper/combat/tests.rs

@@ -143,6 +143,7 @@ fn matches_ability_stage() {
                 speed_increase: 0.05,
                 max_speed_increase: 1.8,
                 is_interruptible: true,
+                ability_key: states::utils::AbilityKey::Mouse1,
             },
             stage: 1,
             combo: 0,
@@ -203,6 +204,7 @@ fn ignores_different_ability_stage() {
                 speed_increase: 0.05,
                 max_speed_increase: 1.8,
                 is_interruptible: true,
+                ability_key: states::utils::AbilityKey::Mouse1,
             },
             stage: 1,
             combo: 0,

voxygen/src/ecs/sys/floater.rs

@@ -3,7 +3,7 @@ use crate::ecs::{
     ExpFloater, MyEntity, MyExpFloaterList,
 };
 use common::{
-    comp::{HealthSource, Pos, Stats},
+    comp::{Health, HealthSource, Pos, Stats},
     state::DeltaTime,
     sync::Uid,
 };
@@ -25,19 +25,30 @@ impl<'a> System<'a> for Sys {
         ReadStorage<'a, Uid>,
         ReadStorage<'a, Pos>,
         ReadStorage<'a, Stats>,
+        ReadStorage<'a, Health>,
         WriteStorage<'a, HpFloaterList>,
     );
 
     #[allow(clippy::blocks_in_if_conditions)] // TODO: Pending review in #587
     fn run(
         &mut self,
-        (entities, my_entity, dt, mut my_exp_floater_list, uids, pos, stats, mut hp_floater_lists): Self::SystemData,
+        (
+            entities,
+            my_entity,
+            dt,
+            mut my_exp_floater_list,
+            uids,
+            pos,
+            stats,
+            healths,
+            mut hp_floater_lists,
+        ): Self::SystemData,
     ) {
-        // Add hp floater lists to all entities with stats and a position
+        // Add hp floater lists to all entities with health and a position
         // Note: necessary in order to know last_hp
-        for (entity, last_hp) in (&entities, &stats, &pos, !&hp_floater_lists)
+        for (entity, last_hp) in (&entities, &healths, &pos, !&hp_floater_lists)
             .join()
-            .map(|(e, s, _, _)| (e, s.health.current()))
+            .map(|(e, h, _, _)| (e, h.current()))
             .collect::<Vec<_>>()
         {
             let _ = hp_floater_lists.insert(entity, HpFloaterList {
@@ -49,9 +60,7 @@ impl<'a> System<'a> for Sys {
 
         // Add hp floaters to all entities that have been damaged
         let my_uid = uids.get(my_entity.0);
-        for (entity, health, hp_floater_list) in (&entities, &stats, &mut hp_floater_lists)
-            .join()
-            .map(|(e, s, fl)| (e, s.health, fl))
+        for (entity, health, hp_floater_list) in (&entities, &healths, &mut hp_floater_lists).join()
         {
             // Increment timer for time since last damaged by me
             hp_floater_list
@@ -64,20 +73,16 @@ impl<'a> System<'a> for Sys {
             if hp_floater_list.last_hp != health.current() {
                 hp_floater_list.last_hp = health.current();
                 // TODO: What if multiple health changes occurred since last check here
-                // Also, If we make stats store a vec of the last_changes (from say the last
-                // frame), what if the client receives the stats component from
+                // Also, If we make health store a vec of the last_changes (from say the last
+                // frame), what if the client receives the health component from
                 // two different server ticks at once, then one will be lost
                 // (tbf this is probably a rare occurance and the results
                 // would just be a transient glitch in the display of these damage numbers)
                 // (maybe health changes could be sent to the client as a list
                 // of events)
                 if match health.last_change.1.cause {
-                    HealthSource::Attack { by }
-                    | HealthSource::Projectile { owner: Some(by) }
-                    | HealthSource::Energy { owner: Some(by) }
-                    | HealthSource::Explosion { owner: Some(by) }
-                    | HealthSource::Buff { owner: Some(by) }
-                    | HealthSource::Healing { by: Some(by) } => {
+                    HealthSource::Damage { by: Some(by), .. }
+                    | HealthSource::Heal { by: Some(by) } => {
                         let by_me = my_uid.map_or(false, |&uid| by == uid);
                         // If the attack was by me also reset this timer
                         if by_me {
@@ -101,8 +106,8 @@ impl<'a> System<'a> for Sys {
             }
         }
 
-        // Remove floater lists on entities without stats or without position
-        for entity in (&entities, !&stats, &hp_floater_lists)
+        // Remove floater lists on entities without health or without position
+        for entity in (&entities, !&healths, &hp_floater_lists)
             .join()
             .map(|(e, _, _)| e)
             .collect::<Vec<_>>()

voxygen/src/hud/chat.rs

@@ -373,9 +373,9 @@ impl<'a> Widget for Chat<'a> {
                             .localized_strings
                             .get("hud.chat.pvp_energy_kill_msg")
                             .to_string(),
-                        KillSource::Player(_, KillType::Buff) => self
+                        KillSource::Player(_, KillType::Other) => self
                             .localized_strings
-                            .get("hud.chat.pvp_buff_kill_msg")
+                            .get("hud.chat.pvp_other_kill_msg")
                             .to_string(),
                         KillSource::NonPlayer(_, KillType::Melee) => self
                             .localized_strings
@@ -393,9 +393,9 @@ impl<'a> Widget for Chat<'a> {
                             .localized_strings
                             .get("hud.chat.npc_energy_kill_msg")
                             .to_string(),
-                        KillSource::NonPlayer(_, KillType::Buff) => self
+                        KillSource::NonPlayer(_, KillType::Other) => self
                             .localized_strings
-                            .get("hud.chat.npc_buff_kill_msg")
+                            .get("hud.chat.npc_other_kill_msg")
                             .to_string(),
                         KillSource::Environment(_) => self
                             .localized_strings

voxygen/src/hud/group.rs

@@ -322,6 +322,7 @@ impl<'a> Widget for Group<'a> {
 
             let client_state = self.client.state();
             let stats = client_state.ecs().read_storage::<common::comp::Stats>();
+            let healths = client_state.ecs().read_storage::<common::comp::Health>();
             let energy = client_state.ecs().read_storage::<common::comp::Energy>();
             let buffs = client_state.ecs().read_storage::<common::comp::Buffs>();
             let uid_allocator = client_state
@@ -338,80 +339,84 @@ impl<'a> Widget for Group<'a> {
                 self.show.group = true;
                 let entity = uid_allocator.retrieve_entity_internal(uid.into());
                 let stats = entity.and_then(|entity| stats.get(entity));
+                let health = entity.and_then(|entity| healths.get(entity));
                 let energy = entity.and_then(|entity| energy.get(entity));
                 let buffs = entity.and_then(|entity| buffs.get(entity));
 
+                let is_leader = uid == leader;
+
                 if let Some(stats) = stats {
                     let char_name = stats.name.to_string();
-                    let health_perc = stats.health.current() as f64 / stats.health.maximum() as f64;
-
-                    // change panel positions when debug info is shown
-                    let back = if i == 0 {
-                        Image::new(self.imgs.member_bg)
-                            .top_left_with_margins_on(ui.window, offset, 20.0)
-                    } else {
-                        Image::new(self.imgs.member_bg)
-                            .down_from(state.ids.member_panels_bg[i - 1], 45.0)
-                    };
-                    let hp_ani = (self.pulse * 4.0/* speed factor */).cos() * 0.5 + 0.8; //Animation timer
-                    let crit_hp_color: Color = Color::Rgba(0.79, 0.19, 0.17, hp_ani);
-                    let health_col = match (health_perc * 100.0) as u8 {
-                        0..=20 => crit_hp_color,
-                        21..=40 => LOW_HP_COLOR,
-                        _ => HP_COLOR,
-                    };
-                    let is_leader = uid == leader;
-                    // Don't show panel for the player!
-                    // Panel BG
-                    back.w_h(152.0, 36.0)
-                        .color(if is_leader {
-                            Some(ERROR_COLOR)
+                    if let Some(health) = health {
+                        let health_perc = health.current() as f64 / health.maximum() as f64;
+                        // change panel positions when debug info is shown
+                        let back = if i == 0 {
+                            Image::new(self.imgs.member_bg)
+                                .top_left_with_margins_on(ui.window, offset, 20.0)
                         } else {
-                            Some(TEXT_COLOR)
-                        })
-                        .set(state.ids.member_panels_bg[i], ui);
-                    // Health
-                    Image::new(self.imgs.bar_content)
-                        .w_h(148.0 * health_perc, 22.0)
-                        .color(Some(health_col))
-                        .top_left_with_margins_on(state.ids.member_panels_bg[i], 2.0, 2.0)
-                        .set(state.ids.member_health[i], ui);
-                    if stats.is_dead {
-                        // Death Text
-                        Text::new(&self.localized_strings.get("hud.group.dead"))
-                            .mid_top_with_margin_on(state.ids.member_panels_bg[i], 1.0)
-                            .font_size(20)
-                            .font_id(self.fonts.cyri.conrod_id)
-                            .color(KILL_COLOR)
-                            .set(state.ids.dead_txt[i], ui);
-                    } else {
-                        // Health Text
-                        let txt = format!(
-                            "{}/{}",
-                            stats.health.current() / 10 as u32,
-                            stats.health.maximum() / 10 as u32,
-                        );
-                        // Change font size depending on health amount
-                        let font_size = match stats.health.maximum() {
-                            0..=999 => 14,
-                            1000..=9999 => 13,
-                            10000..=99999 => 12,
-                            _ => 11,
+                            Image::new(self.imgs.member_bg)
+                                .down_from(state.ids.member_panels_bg[i - 1], 45.0)
                         };
-                        // Change text offset depending on health amount
-                        let txt_offset = match stats.health.maximum() {
-                            0..=999 => 4.0,
-                            1000..=9999 => 4.5,
-                            10000..=99999 => 5.0,
-                            _ => 5.5,
+                        let hp_ani = (self.pulse * 4.0/* speed factor */).cos() * 0.5 + 0.8; //Animation timer
+                        let crit_hp_color: Color = Color::Rgba(0.79, 0.19, 0.17, hp_ani);
+                        let health_col = match (health_perc * 100.0) as u8 {
+                            0..=20 => crit_hp_color,
+                            21..=40 => LOW_HP_COLOR,
+                            _ => HP_COLOR,
                         };
-                        Text::new(&txt)
-                            .mid_top_with_margin_on(state.ids.member_panels_bg[i], txt_offset)
-                            .font_size(font_size)
-                            .font_id(self.fonts.cyri.conrod_id)
-                            .color(Color::Rgba(1.0, 1.0, 1.0, 0.5))
-                            .set(state.ids.health_txt[i], ui);
-                    };
+                        // Don't show panel for the player!
+                        // Panel BG
+                        back.w_h(152.0, 36.0)
+                            .color(if is_leader {
+                                Some(ERROR_COLOR)
+                            } else {
+                                Some(TEXT_COLOR)
+                            })
+                            .set(state.ids.member_panels_bg[i], ui);
+                        // Health
+                        Image::new(self.imgs.bar_content)
+                            .w_h(148.0 * health_perc, 22.0)
+                            .color(Some(health_col))
+                            .top_left_with_margins_on(state.ids.member_panels_bg[i], 2.0, 2.0)
+                            .set(state.ids.member_health[i], ui);
+                        if health.is_dead {
+                            // Death Text
+                            Text::new(&self.localized_strings.get("hud.group.dead"))
+                                .mid_top_with_margin_on(state.ids.member_panels_bg[i], 1.0)
+                                .font_size(20)
+                                .font_id(self.fonts.cyri.conrod_id)
+                                .color(KILL_COLOR)
+                                .set(state.ids.dead_txt[i], ui);
+                        } else {
+                            // Health Text
+                            let txt = format!(
+                                "{}/{}",
+                                health.current() / 10 as u32,
+                                health.maximum() / 10 as u32,
+                            );
+                            // Change font size depending on health amount
+                            let font_size = match health.maximum() {
+                                0..=999 => 14,
+                                1000..=9999 => 13,
+                                10000..=99999 => 12,
+                                _ => 11,
+                            };
+                            // Change text offset depending on health amount
+                            let txt_offset = match health.maximum() {
+                                0..=999 => 4.0,
+                                1000..=9999 => 4.5,
+                                10000..=99999 => 5.0,
+                                _ => 5.5,
+                            };
+                            Text::new(&txt)
+                                .mid_top_with_margin_on(state.ids.member_panels_bg[i], txt_offset)
+                                .font_size(font_size)
+                                .font_id(self.fonts.cyri.conrod_id)
+                                .color(Color::Rgba(1.0, 1.0, 1.0, 0.5))
+                                .set(state.ids.health_txt[i], ui);
+                        };
+                    }
+
                     // Panel Frame
                     Image::new(self.imgs.member_frame)
                         .w_h(152.0, 36.0)

voxygen/src/hud/mod.rs

@@ -753,6 +753,7 @@ impl Hud {
             let ecs = client.state().ecs();
             let pos = ecs.read_storage::<comp::Pos>();
             let stats = ecs.read_storage::<comp::Stats>();
+            let healths = ecs.read_storage::<comp::Health>();
             let buffs = ecs.read_storage::<comp::Buffs>();
             let energy = ecs.read_storage::<comp::Energy>();
             let hp_floater_lists = ecs.read_storage::<vcomp::HpFloaterList>();
@@ -767,11 +768,10 @@ impl Hud {
                 .get(client.entity())
                 .map_or(0, |stats| stats.level.level());
             //self.input = client.read_storage::<comp::ControllerInputs>();
-            if let Some(stats) = stats.get(me) {
+            if let Some(health) = healths.get(me) {
                 // Hurt Frame
-                let hp_percentage =
-                    stats.health.current() as f32 / stats.health.maximum() as f32 * 100.0;
-                if hp_percentage < 10.0 && !stats.is_dead {
+                let hp_percentage = health.current() as f32 / health.maximum() as f32 * 100.0;
+                if hp_percentage < 10.0 && !health.is_dead {
                     let hurt_fade =
                         (self.pulse * (10.0 - hp_percentage as f32) * 0.1/* speed factor */).sin()
                             * 0.5
@@ -792,7 +792,7 @@ impl Hud {
                     .set(self.ids.alpha_text, ui_widgets);
 
                 // Death Frame
-                if stats.is_dead {
+                if health.is_dead {
                     Image::new(self.imgs.death_bg)
                         .wh_of(ui_widgets.window)
                         .middle_of(ui_widgets.window)
@@ -801,7 +801,7 @@ impl Hud {
                         .set(self.ids.death_bg, ui_widgets);
                 }
                 // Crosshair
-                let show_crosshair = (info.is_aiming || info.is_first_person) && !stats.is_dead;
+                let show_crosshair = (info.is_aiming || info.is_first_person) && !health.is_dead;
                 self.crosshair_opacity = Lerp::lerp(
                     self.crosshair_opacity,
                     if show_crosshair { 1.0 } else { 0.0 },
@@ -850,11 +850,11 @@ impl Hud {
                 // Render Player SCT numbers
                 let mut player_sct_bg_id_walker = self.ids.player_sct_bgs.walk();
                 let mut player_sct_id_walker = self.ids.player_scts.walk();
-                if let (Some(HpFloaterList { floaters, .. }), Some(stats)) = (
+                if let (Some(HpFloaterList { floaters, .. }), Some(health)) = (
                     hp_floater_lists
                         .get(me)
                         .filter(|fl| !fl.floaters.is_empty()),
-                    stats.get(me),
+                    healths.get(me),
                 ) {
                     if global_state.settings.gameplay.sct_player_batch {
                         let number_speed = 100.0; // Player Batched Numbers Speed
@@ -871,7 +871,7 @@ impl Hud {
                         let hp_damage = floaters.iter().fold(0, |acc, f| f.hp_change.min(0) + acc);
                         // Divide by 10 to stay in the same dimension as the HP display
                         let hp_dmg_rounded_abs = ((hp_damage + 5) / 10).abs();
-                        let max_hp_frac = hp_damage.abs() as f32 / stats.health.maximum() as f32;
+                        let max_hp_frac = hp_damage.abs() as f32 / health.maximum() as f32;
                         let timer = floaters
                             .last()
                             .expect("There must be at least one floater")
@@ -927,8 +927,7 @@ impl Hud {
                             &mut self.ids.player_scts,
                             &mut ui_widgets.widget_id_generator(),
                         );
-                        let max_hp_frac =
-                            floater.hp_change.abs() as f32 / stats.health.maximum() as f32;
+                        let max_hp_frac = floater.hp_change.abs() as f32 / health.maximum() as f32;
                         // Increase font size based on fraction of maximum health
                         // "flashes" by having a larger size in the first 100ms
                         let font_size = 30
@@ -1152,11 +1151,12 @@ impl Hud {
             let speech_bubbles = &self.speech_bubbles;
 
             // Render overhead name tags and health bars
-            for (pos, info, bubble, stats, _, height_offset, hpfl, in_group) in (
+            for (pos, info, bubble, _, health, _, height_offset, hpfl, in_group) in (
                 &entities,
                 &pos,
                 interpolated.maybe(),
                 &stats,
+                &healths,
                 &buffs,
                 energy.maybe(),
                 scales.maybe(),
@@ -1166,12 +1166,24 @@ impl Hud {
             )
                 .join()
                 .filter(|t| {
-                    let stats = t.3;
+                    let health = t.4;
                     let entity = t.0;
-                    entity != me && !stats.is_dead
+                    entity != me && !health.is_dead
                 })
                 .filter_map(
-                    |(entity, pos, interpolated, stats, buffs, energy, scale, body, hpfl, uid)| {
+                    |(
+                        entity,
+                        pos,
+                        interpolated,
+                        stats,
+                        health,
+                        buffs,
+                        energy,
+                        scale,
+                        body,
+                        hpfl,
+                        uid,
+                    )| {
                         // Use interpolated position if available
                         let pos = interpolated.map_or(pos.0, |i| i.pos);
                         let in_group = client.group_members().contains_key(uid);
@@ -1183,7 +1195,7 @@ impl Hud {
                         let display_overhead_info =
                             (info.target_entity.map_or(false, |e| e == entity)
                                 || info.selected_entity.map_or(false, |s| s.0 == entity)
-                                || overhead::show_healthbar(stats)
+                                || overhead::should_show_healthbar(health)
                                 || in_group)
                                 && dist_sqr
                                     < (if in_group {
@@ -1201,6 +1213,7 @@ impl Hud {
                         let info = display_overhead_info.then(|| overhead::Info {
                             name: &stats.name,
                             stats,
+                            health,
                             buffs,
                             energy,
                         });
@@ -1216,6 +1229,7 @@ impl Hud {
                                 info,
                                 bubble,
                                 stats,
+                                health,
                                 buffs,
                                 body.height() * scale.map_or(1.0, |s| s.0) + 0.5,
                                 hpfl,
@@ -1292,7 +1306,7 @@ impl Hud {
                         });
                         // Divide by 10 to stay in the same dimension as the HP display
                         let hp_dmg_rounded_abs = ((hp_damage + 5) / 10).abs();
-                        let max_hp_frac = hp_damage.abs() as f32 / stats.health.maximum() as f32;
+                        let max_hp_frac = hp_damage.abs() as f32 / health.maximum() as f32;
                         let timer = floaters
                             .last()
                             .expect("There must be at least one floater")
@@ -1364,7 +1378,7 @@ impl Hud {
                                 .next(&mut self.ids.sct_bgs, &mut ui_widgets.widget_id_generator());
                             // Calculate total change
                             let max_hp_frac =
-                                floater.hp_change.abs() as f32 / stats.health.maximum() as f32;
+                                floater.hp_change.abs() as f32 / health.maximum() as f32;
                             // Increase font size based on fraction of maximum health
                             // "flashes" by having a larger size in the first 100ms
                             let font_size = 30
@@ -1897,6 +1911,7 @@ impl Hud {
         let ecs = client.state().ecs();
         let entity = client.entity();
         let stats = ecs.read_storage::<comp::Stats>();
+        let healths = ecs.read_storage::<comp::Health>();
         let loadouts = ecs.read_storage::<comp::Loadout>();
         let energies = ecs.read_storage::<comp::Energy>();
         let character_states = ecs.read_storage::<comp::CharacterState>();
@@ -1904,6 +1919,7 @@ impl Hud {
         let inventories = ecs.read_storage::<comp::Inventory>();
         if let (
             Some(stats),
+            Some(health),
             Some(loadout),
             Some(energy),
             Some(_character_state),
@@ -1911,6 +1927,7 @@ impl Hud {
             Some(inventory),
         ) = (
             stats.get(entity),
+            healths.get(entity),
             loadouts.get(entity),
             energies.get(entity),
             character_states.get(entity),
@@ -1924,6 +1941,7 @@ impl Hud {
                 &self.fonts,
                 &self.rot_imgs,
                 &stats,
+                &health,
                 &loadout,
                 &energy,
                 //&character_state,

voxygen/src/hud/overhead.rs

@@ -8,7 +8,7 @@ use crate::{
     settings::GameplaySettings,
     ui::{fonts::ConrodVoxygenFonts, Ingameable},
 };
-use common::comp::{BuffKind, Buffs, Energy, SpeechBubble, SpeechBubbleType, Stats};
+use common::comp::{BuffKind, Buffs, Energy, Health, SpeechBubble, SpeechBubbleType, Stats};
 use conrod_core::{
     color,
     position::Align,
@@ -58,12 +58,13 @@ widget_ids! {
 pub struct Info<'a> {
     pub name: &'a str,
     pub stats: &'a Stats,
+    pub health: &'a Health,
     pub buffs: &'a Buffs,
     pub energy: Option<&'a Energy>,
 }
 
 /// Determines whether to show the healthbar
-pub fn show_healthbar(stats: &Stats) -> bool { stats.health.current() != stats.health.maximum() }
+pub fn should_show_healthbar(health: &Health) -> bool { health.current() != health.maximum() }
 
 /// ui widget containing everything that goes over a character's head
 /// (Speech bubble, Name, Level, HP/energy bars, etc.)
@@ -141,7 +142,7 @@ impl<'a> Ingameable for Overhead<'a> {
                 } else {
                     0
                 }
-                + if show_healthbar(info.stats) {
+                + if should_show_healthbar(info.health) {
                     5 + if info.energy.is_some() { 1 } else { 0 }
                 } else {
                     0
@@ -171,17 +172,17 @@ impl<'a> Widget for Overhead<'a> {
         if let Some(Info {
             name,
             stats,
+            health,
             buffs,
             energy,
         }) = self.info
         {
             // Used to set healthbar colours based on hp_percentage
-            let hp_percentage =
-                stats.health.current() as f64 / stats.health.maximum() as f64 * 100.0;
+            let hp_percentage = health.current() as f64 / health.maximum() as f64 * 100.0;
             // Compare levels to decide if a skull is shown
             let level_comp = stats.level.level() as i64 - self.own_level as i64;
-            let health_current = (stats.health.current() / 10) as f64;
-            let health_max = (stats.health.maximum() / 10) as f64;
+            let health_current = (health.current() / 10) as f64;
+            let health_max = (health.maximum() / 10) as f64;
             let name_y = if (health_current - health_max).abs() < 1e-6 {
                 MANA_BAR_Y + 20.0
             } else if level_comp > 9 && !self.in_group {
@@ -302,7 +303,7 @@ impl<'a> Widget for Overhead<'a> {
                 .parent(id)
                 .set(state.ids.name, ui);
 
-            if show_healthbar(stats) {
+            if should_show_healthbar(health) {
                 // Show HP Bar
                 let hp_ani = (self.pulse * 4.0/* speed factor */).cos() * 0.5 + 1.0; //Animation timer
                 let crit_hp_color: Color = Color::Rgba(0.79, 0.19, 0.17, hp_ani);
@@ -332,7 +333,7 @@ impl<'a> Widget for Overhead<'a> {
                     .parent(id)
                     .set(state.ids.health_bar, ui);
                 let mut txt = format!("{}/{}", health_cur_txt, health_max_txt);
-                if stats.is_dead {
+                if health.is_dead {
                     txt = self.voxygen_i18n.get("hud.group.dead").to_string()
                 };
                 Text::new(&txt)

voxygen/src/hud/skillbar.rs

@@ -20,7 +20,7 @@ use common::comp::{
         tool::{Tool, ToolKind},
         Hands, ItemKind,
     },
-    Energy, Inventory, Loadout, Stats,
+    Energy, Health, Inventory, Loadout, Stats,
 };
 use conrod_core::{
     color,
@@ -124,6 +124,7 @@ pub struct Skillbar<'a> {
     fonts: &'a ConrodVoxygenFonts,
     rot_imgs: &'a ImgsRot,
     stats: &'a Stats,
+    health: &'a Health,
     loadout: &'a Loadout,
     energy: &'a Energy,
     // character_state: &'a CharacterState,
@@ -148,6 +149,7 @@ impl<'a> Skillbar<'a> {
         fonts: &'a ConrodVoxygenFonts,
         rot_imgs: &'a ImgsRot,
         stats: &'a Stats,
+        health: &'a Health,
         loadout: &'a Loadout,
         energy: &'a Energy,
         // character_state: &'a CharacterState,
@@ -167,6 +169,7 @@ impl<'a> Skillbar<'a> {
             fonts,
             rot_imgs,
             stats,
+            health,
             loadout,
             energy,
             common: widget::CommonBuilder::default(),
@@ -216,11 +219,10 @@ impl<'a> Widget for Skillbar<'a> {
 
         let exp_percentage = (self.stats.exp.current() as f64) / (self.stats.exp.maximum() as f64);
 
-        let mut hp_percentage =
-            self.stats.health.current() as f64 / self.stats.health.maximum() as f64 * 100.0;
+        let mut hp_percentage = self.health.current() as f64 / self.health.maximum() as f64 * 100.0;
         let mut energy_percentage =
             self.energy.current() as f64 / self.energy.maximum() as f64 * 100.0;
-        if self.stats.is_dead {
+        if self.health.is_dead {
             hp_percentage = 0.0;
             energy_percentage = 0.0;
         };
@@ -293,7 +295,7 @@ impl<'a> Widget for Skillbar<'a> {
                 .set(state.ids.level_down, ui);
         }
         // Death message
-        if self.stats.is_dead {
+        if self.health.is_dead {
             if let Some(key) = self
                 .global_state
                 .settings
@@ -400,12 +402,12 @@ impl<'a> Widget for Skillbar<'a> {
         if let BarNumbers::Values = bar_values {
             let mut hp_txt = format!(
                 "{}/{}",
-                (self.stats.health.current() / 10).max(1) as u32, /* Don't show 0 health for
-                                                                   * living players */
-                (self.stats.health.maximum() / 10) as u32
+                (self.health.current() / 10).max(1) as u32, /* Don't show 0 health for
+                                                             * living players */
+                (self.health.maximum() / 10) as u32
             );
             let mut energy_txt = format!("{}", energy_percentage as u32);
-            if self.stats.is_dead {
+            if self.health.is_dead {
                 hp_txt = self.localized_strings.get("hud.group.dead").to_string();
                 energy_txt = self.localized_strings.get("hud.group.dead").to_string();
             };
@@ -438,7 +440,7 @@ impl<'a> Widget for Skillbar<'a> {
         if let BarNumbers::Percent = bar_values {
             let mut hp_txt = format!("{}%", hp_percentage as u32);
             let mut energy_txt = format!("{}", energy_percentage as u32);
-            if self.stats.is_dead {
+            if self.health.is_dead {
                 hp_txt = self.localized_strings.get("hud.group.dead").to_string();
                 energy_txt = self.localized_strings.get("hud.group.dead").to_string();
             };

voxygen/src/scene/figure/mod.rs

@@ -26,8 +26,8 @@ use anim::{
 use common::{
     comp::{
         item::{ItemKind, ToolKind},
-        Body, CharacterState, Item, Last, LightAnimation, LightEmitter, Loadout, Ori, PhysicsState,
-        Pos, Scale, Stats, Vel,
+        Body, CharacterState, Health, Item, Last, LightAnimation, LightEmitter, Loadout, Ori,
+        PhysicsState, Pos, Scale, Vel,
     },
     span,
     state::{DeltaTime, State},
@@ -545,7 +545,7 @@ impl FigureMgr {
                 character,
                 last_character,
                 physics,
-                stats,
+                health,
                 loadout,
                 item,
             ),
@@ -559,7 +559,7 @@ impl FigureMgr {
             ecs.read_storage::<CharacterState>().maybe(),
             ecs.read_storage::<Last<CharacterState>>().maybe(),
             &ecs.read_storage::<PhysicsState>(),
-            ecs.read_storage::<Stats>().maybe(),
+            ecs.read_storage::<Health>().maybe(),
             ecs.read_storage::<Loadout>().maybe(),
             ecs.read_storage::<Item>().maybe(),
         )
@@ -662,11 +662,11 @@ impl FigureMgr {
             };
 
             // Change in health as color!
-            let col = stats
-                .map(|s| {
+            let col = health
+                .map(|h| {
                     vek::Rgba::broadcast(1.0)
                         + vek::Rgba::new(2.0, 2.0, 2., 0.00).map(|c| {
-                            (c / (1.0 + DAMAGE_FADE_COEFFICIENT * s.health.last_change.0)) as f32
+                            (c / (1.0 + DAMAGE_FADE_COEFFICIENT * h.last_change.0)) as f32
                         })
                 })
                 .unwrap_or(vek::Rgba::broadcast(1.0))
@@ -2749,13 +2749,13 @@ impl FigureMgr {
                 &ecs.read_storage::<Pos>(),
                 ecs.read_storage::<Ori>().maybe(),
                 &ecs.read_storage::<Body>(),
-                ecs.read_storage::<Stats>().maybe(),
+                ecs.read_storage::<Health>().maybe(),
                 ecs.read_storage::<Loadout>().maybe(),
                 ecs.read_storage::<Scale>().maybe(),
             )
             .join()
             // Don't render dead entities
-            .filter(|(_, _, _, _, stats, _, _)| stats.map_or(true, |s| !s.is_dead))
+            .filter(|(_, _, _, _, health, _, _)| health.map_or(true, |h| !h.is_dead))
             .for_each(|(entity, pos, _, body, _, loadout, _)| {
                 if let Some((locals, bone_consts, model, _)) = self.get_model_for_render(
                     tick,
@@ -2803,13 +2803,13 @@ impl FigureMgr {
             &ecs.read_storage::<Pos>(),
             ecs.read_storage::<Ori>().maybe(),
             &ecs.read_storage::<Body>(),
-            ecs.read_storage::<Stats>().maybe(),
+            ecs.read_storage::<Health>().maybe(),
             ecs.read_storage::<Loadout>().maybe(),
             ecs.read_storage::<Scale>().maybe(),
         )
             .join()
         // Don't render dead entities
-        .filter(|(_, _, _, _, stats, _, _)| stats.map_or(true, |s| !s.is_dead))
+        .filter(|(_, _, _, _, health, _, _)| health.map_or(true, |h| !h.is_dead))
         {
             let is_player = entity == player_entity;
 
@@ -2853,10 +2853,9 @@ impl FigureMgr {
             ecs.read_storage::<Pos>().get(player_entity),
             ecs.read_storage::<Body>().get(player_entity),
         ) {
-            let stats_storage = state.read_storage::<Stats>();
-            let stats = stats_storage.get(player_entity);
-
-            if stats.map_or(false, |s| s.is_dead) {
+            let healths = state.read_storage::<Health>();
+            let health = healths.get(player_entity);
+            if health.map_or(false, |h| h.is_dead) {
                 return;
             }
 

voxygen/src/scene/mod.rs

@@ -604,10 +604,10 @@ impl Scene {
                 .maybe(),
             scene_data.state.ecs().read_storage::<comp::Scale>().maybe(),
             &scene_data.state.ecs().read_storage::<comp::Body>(),
-            &scene_data.state.ecs().read_storage::<comp::Stats>(),
+            &scene_data.state.ecs().read_storage::<comp::Health>(),
         )
             .join()
-            .filter(|(_, _, _, _, stats)| !stats.is_dead)
+            .filter(|(_, _, _, _, health)| !health.is_dead)
             .filter(|(pos, _, _, _, _)| {
                 (pos.0.distance_squared(player_pos) as f32)
                     < (loaded_distance.min(SHADOW_MAX_DIST) + SHADOW_DIST_RADIUS).powf(2.0)