Spine Cracker

assets/common/abilities/ability_set_manifest.ron

@@ -200,7 +200,7 @@
             Simple(Hammer(Tremor), "common.abilities.hammer.tremor"),
             Simple(Hammer(VigorousBash), "common.abilities.hammer.vigorous_bash"),
             Simple(Hammer(Retaliate), "common.abilities.hammer.retaliate"),
-            // Simple(Hammer(SpineCracker), "common.abilities.hammer.spine_cracker"),
+            Simple(Hammer(SpineCracker), "common.abilities.hammer.spine_cracker"),
             // Simple(Hammer(Breach), "common.abilities.hammer.breach"),
             // Contextualized(
             //     pseudo_id: "common.abilities.hammer.iron_tempest",

assets/common/abilities/hammer/spine_cracker.ron

@@ -0,0 +1,20 @@
+FinisherMelee(
+    energy_cost: 0,
+    buildup_duration: 0.1,
+    swing_duration: 0.1,
+    recover_duration: 0.3,
+    melee_constructor: (
+        kind: Bash(
+            damage: 20,
+            poise: 0,
+            knockback: 0,
+            energy_regen: 0,
+        ),
+        range: 4.0,
+        angle: 15.0,
+        attack_effect: Some((Poise(50), BehindTarget)),
+        precision_flank_multiplier: 2.0,
+    ),
+    minimum_combo: 10,
+    combo_consumption: Cost,
+)

assets/voxygen/i18n/en/hud/ability.ftl

@@ -407,3 +407,7 @@ common-abilities-hammer-dual_intercept = Intercept
 common-abilities-hammer-retaliate = Retaliate
     .desc =
         After blocking an attack, retaliate with a heavy strike back.
+common-abilities-hammer-spine_cracker = Spine Cracker
+    .desc =
+        When you foe turns their back to you, strike them hard in the back, targeting the weak part of their spine.
+

common/src/combat.rs

@@ -655,6 +655,14 @@ impl Attack {
                 CombatRequirement::TargetPoised => {
                     target.char_state.map_or(false, |cs| cs.is_stunned())
                 },
+                CombatRequirement::BehindTarget => {
+                    const REQUIRED_ANGLE: f32 = 45.0;
+                    if let Some(ori) = target.ori {
+                        ori.look_vec().angle_between(dir.with_z(0.0)) < REQUIRED_ANGLE
+                    } else {
+                        false
+                    }
+                },
             });
             if requirements_met {
                 is_applied = true;
@@ -1014,6 +1022,7 @@ pub enum CombatRequirement {
     Combo(u32),
     TargetHasBuff(BuffKind),
     TargetPoised,
+    BehindTarget,
 }
 
 #[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
@@ -1630,11 +1639,19 @@ pub fn compute_poise_resilience(
 }
 
 /// Used to compute the precision multiplier achieved by flanking a target
-pub fn precision_mult_from_flank(attack_dir: Vec3<f32>, target_ori: Option<&Ori>) -> Option<f32> {
+pub fn precision_mult_from_flank(
+    attack_dir: Vec3<f32>,
+    target_ori: Option<&Ori>,
+    precision_flank_multiplier: f32,
+) -> Option<f32> {
     let angle = target_ori.map(|t_ori| t_ori.look_dir().angle_between(attack_dir));
     match angle {
-        Some(angle) if angle < FULL_FLANK_ANGLE => Some(MAX_BACK_FLANK_PRECISION),
-        Some(angle) if angle < PARTIAL_FLANK_ANGLE => Some(MAX_SIDE_FLANK_PRECISION),
+        Some(angle) if angle < FULL_FLANK_ANGLE => {
+            Some(MAX_BACK_FLANK_PRECISION * precision_flank_multiplier)
+        },
+        Some(angle) if angle < PARTIAL_FLANK_ANGLE => {
+            Some(MAX_SIDE_FLANK_PRECISION * precision_flank_multiplier)
+        },
         Some(_) | None => None,
     }
 }

common/src/comp/ability.rs

@@ -1110,8 +1110,10 @@ impl Default for CharacterAbility {
                 angle: 15.0,
                 multi_target: None,
                 damage_effect: None,
+                attack_effect: None,
                 simultaneous_hits: 1,
                 custom_combo: None,
+                precision_flank_multiplier: 1.0,
             },
             ori_modifier: 1.0,
             frontend_specifier: None,

common/src/comp/melee.rs

@@ -23,6 +23,7 @@ pub struct Melee {
     pub multi_target: Option<MultiTarget>,
     pub break_block: Option<(Vec3<i32>, Option<ToolKind>)>,
     pub simultaneous_hits: u32,
+    pub precision_flank_multiplier: f32,
 }
 
 #[derive(Copy, Clone, Debug, PartialEq, Serialize, Deserialize)]
@@ -51,6 +52,7 @@ impl Component for Melee {
 }
 
 fn default_simultaneous_hits() -> u32 { 1 }
+fn default_precision_flank_multiplier() -> f32 { 1.0 }
 
 #[derive(Copy, Clone, Debug, PartialEq, Serialize, Deserialize)]
 pub struct Scaled {
@@ -73,9 +75,12 @@ pub struct MeleeConstructor {
     pub angle: f32,
     pub multi_target: Option<MultiTarget>,
     pub damage_effect: Option<CombatEffect>,
+    pub attack_effect: Option<(CombatEffect, CombatRequirement)>,
     #[serde(default = "default_simultaneous_hits")]
     pub simultaneous_hits: u32,
     pub custom_combo: Option<CustomCombo>,
+    #[serde(default = "default_precision_flank_multiplier")]
+    pub precision_flank_multiplier: f32,
 }
 
 #[derive(Copy, Clone, Debug, PartialEq, Serialize, Deserialize)]
@@ -354,6 +359,14 @@ impl MeleeConstructor {
             },
         };
 
+        let attack = if let Some((effect, requirement)) = self.attack_effect {
+            let effect = AttackEffect::new(Some(GroupTarget::OutOfGroup), effect)
+                .with_requirement(requirement);
+            attack.with_effect(effect)
+        } else {
+            attack
+        };
+
         let attack = match self.custom_combo {
             None => attack.with_combo_increment(),
             Some(CustomCombo {
@@ -377,6 +390,7 @@ impl MeleeConstructor {
             multi_target: self.multi_target,
             break_block: None,
             simultaneous_hits: self.simultaneous_hits,
+            precision_flank_multiplier: self.precision_flank_multiplier,
         }
     }
 

common/src/states/finisher_melee.rs

@@ -74,9 +74,11 @@ impl CharacterBehavior for Data {
                         c.exhausted = true;
                     }
 
-                    self.static_data
-                        .combo_consumption
-                        .consume(data, output_events);
+                    self.static_data.combo_consumption.consume(
+                        data,
+                        output_events,
+                        self.static_data.minimum_combo,
+                    );
                     let mut melee_constructor = self.static_data.melee_constructor;
 
                     if let Some(scaling) = self.static_data.scaling {

common/src/states/utils.rs

@@ -1732,14 +1732,16 @@ pub enum ComboConsumption {
     #[default]
     All,
     Half,
+    Cost,
 }
 
 impl ComboConsumption {
-    pub fn consume(&self, data: &JoinData, output_events: &mut OutputEvents) {
+    pub fn consume(&self, data: &JoinData, output_events: &mut OutputEvents, cost: u32) {
         let combo = data.combo.map_or(0, |c| c.counter());
         let to_consume = match self {
             Self::All => combo,
             Self::Half => (combo + 1) / 2,
+            Self::Cost => cost,
         };
         output_events.emit_server(ComboChangeEvent {
             entity: data.entity,

common/systems/src/beam.rs

@@ -263,6 +263,7 @@ impl<'a> System<'a> for Sys {
                             let precision_from_flank = combat::precision_mult_from_flank(
                                 beam.bezier.ctrl - beam.bezier.start,
                                 target_info.ori,
+                                1.0,
                             );
 
                             let precision_from_time = {

common/systems/src/melee.rs

@@ -248,6 +248,7 @@ impl<'a> System<'a> for Sys {
                             .try_normalized()
                             .unwrap_or(ori.look_vec()),
                         target_ori,
+                        melee_attack.precision_flank_multiplier,
                     );
 
                     let precision_from_poise = {

common/systems/src/projectile.rs

@@ -390,7 +390,7 @@ fn dispatch_hit(
                 .map_or(false, |i| i.projectiles);
 
             let precision_from_flank =
-                combat::precision_mult_from_flank(*projectile_dir, target_info.ori);
+                combat::precision_mult_from_flank(*projectile_dir, target_info.ori, 1.0);
 
             let precision_from_head = {
                 // This performs a cylinder and line segment intersection check. The cylinder is

voxygen/anim/src/character/finishermelee.rs

@@ -1,6 +1,6 @@
 use super::{
     super::{vek::*, Animation},
-    CharacterSkeleton, SkeletonAttr,
+    hammer_start, twist_back, twist_forward, CharacterSkeleton, SkeletonAttr,
 };
 use common::states::utils::{AbilityInfo, StageSection};
 use core::f32::consts::{PI, TAU};
@@ -440,6 +440,28 @@ impl Animation for FinisherMeleeAnimation {
                 next.control.orientation.rotate_z(move2 * -3.5);
                 next.control.position += Vec3::new(move2 * 14.0, move2 * 6.0, 0.0);
             },
+            Some("common.abilities.hammer.spine_cracker") => {
+                hammer_start(&mut next, s_a);
+                let (move1, move2, move3) = match stage_section {
+                    Some(StageSection::Buildup) => (anim_time, 0.0, 0.0),
+                    Some(StageSection::Action) => (1.0, anim_time, 0.0),
+                    Some(StageSection::Recover) => (1.0, 1.0, anim_time),
+                    _ => (0.0, 0.0, 0.0),
+                };
+                let pullback = 1.0 - move3;
+                let move1 = move1 * pullback;
+                let move2 = move2 * pullback;
+
+                twist_back(&mut next, move1, 1.9, 1.5, 0.5, 1.2);
+                next.head.position += Vec3::new(-2.0, 2.0, 0.0) * move1;
+                next.control.orientation.rotate_x(move1 * 1.8);
+                next.control.position += Vec3::new(0.0, 0.0, 8.0) * move1;
+                next.control.orientation.rotate_y(move1 * 0.4);
+
+                twist_forward(&mut next, move2, 2.1, 1.6, 0.4, 1.3);
+                next.control.orientation.rotate_z(move2 * 1.6);
+                next.control.position += Vec3::new(-16.0, 12.0, -8.0) * move2;
+            },
             _ => {},
         }
 

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

@@ -86,9 +86,11 @@ fn maps_basic_melee() {
                     range: 3.5,
                     angle: 15.0,
                     damage_effect: None,
+                    attack_effect: None,
                     multi_target: None,
                     simultaneous_hits: 1,
-                    combo_gain: 1,
+                    custom_combo: None,
+                    precision_flank_multiplier: 1.0,
                 },
                 ori_modifier: 1.0,
                 ability_info: empty_ability_info(),

voxygen/src/hud/img_ids.rs

@@ -323,6 +323,7 @@ image_ids! {
         hammer_heavy_whorl: "voxygen.element.skills.hammer.heavy_whorl",
         hammer_intercept: "voxygen.element.skills.hammer.intercept",
         hammer_retaliate: "voxygen.element.skills.hammer.retaliate",
+        hammer_spine_cracker: "voxygen.element.skills.hammer.spine_cracker",
         // Skilltree Icons
         health_plus_skill: "voxygen.element.skills.skilltree.health_plus",
         energy_plus_skill: "voxygen.element.skills.skilltree.energy_plus",

voxygen/src/hud/util.rs

@@ -632,6 +632,7 @@ pub fn ability_image(imgs: &img_ids::Imgs, ability_id: &str) -> image::Id {
         "common.abilities.hammer.intercept" => imgs.hammer_intercept,
         "common.abilities.hammer.dual_intercept" => imgs.hammer_intercept,
         "common.abilities.hammer.retaliate" => imgs.hammer_retaliate,
+        "common.abilities.hammer.spine_cracker" => imgs.hammer_spine_cracker,
         // Bow
         "common.abilities.bow.charged" => imgs.bow_m1,
         "common.abilities.bow.repeater" => imgs.bow_m2,