wip: impl Stats::attack_speed_modifier

common/src/comp/buff.rs

@@ -151,6 +151,8 @@ pub enum BuffEffect {
     },
     /// Modifies move speed of target
     MovementSpeed(f32),
+    /// Modifies attack speed of target
+    AttackSpeed(f32),
 }
 
 /// Actual de/buff.

common/src/comp/stats.rs

@@ -26,6 +26,7 @@ pub struct Stats {
     pub damage_reduction: f32,
     pub max_health_modifier: f32,
     pub move_speed_modifier: f32,
+    pub attack_speed_modifier: f32,
 }
 
 impl Stats {
@@ -35,6 +36,7 @@ impl Stats {
             damage_reduction: 0.0,
             max_health_modifier: 1.0,
             move_speed_modifier: 1.0,
+            attack_speed_modifier: 1.0,
         }
     }
 
@@ -46,6 +48,7 @@ impl Stats {
             damage_reduction: 0.0,
             max_health_modifier: 1.0,
             move_speed_modifier: 1.0,
+            attack_speed_modifier: 1.0,
         }
     }
 
@@ -54,6 +57,7 @@ impl Stats {
         self.damage_reduction = 0.0;
         self.max_health_modifier = 1.0;
         self.move_speed_modifier = 1.0;
+        self.attack_speed_modifier = 1.0;
     }
 }
 

common/src/states/utils.rs

@@ -764,6 +764,12 @@ pub fn input_is_pressed(data: &JoinData, input: InputKind) -> bool {
     data.controller.queued_inputs.contains_key(&input)
 }
 
+pub fn tick_attack_duraction(data: &JoinData, timer: Duration) -> Duration {
+    timer
+        .checked_add(data.dt.0 * data.stats.attack_speed_modifier)
+        .unwrap_or_default()
+}
+
 /// Determines what portion a state is in. Used in all attacks (eventually). Is
 /// used to control aspects of animation code, as well as logic within the
 /// character states.

common/systems/src/buff.rs

@@ -9,6 +9,7 @@ use common::{
     Damage, DamageSource,
 };
 use common_ecs::{Job, Origin, Phase, System};
+use hashbrown::HashMap;
 use specs::{
     shred::ResourceId, Entities, Join, Read, ReadStorage, SystemData, World, WriteStorage,
 };
@@ -57,7 +58,10 @@ impl<'a> System<'a> for Sys {
         )
             .join()
         {
-            let (buff_comp_kinds, buff_comp_buffs) = buff_comp.parts();
+            let (buff_comp_kinds, buff_comp_buffs): (
+                &HashMap<BuffKind, Vec<BuffId>>,
+                &mut HashMap<BuffId, Buff>,
+            ) = buff_comp.parts();
             let mut expired_buffs = Vec::<BuffId>::new();
             // For each buff kind present on entity, if the buff kind queues, only ticks
             // duration of strongest buff of that kind, else it ticks durations of all buffs
@@ -207,6 +211,9 @@ impl<'a> System<'a> for Sys {
                             BuffEffect::MovementSpeed(ms) => {
                                 stat.move_speed_modifier *= *ms;
                             },
+                            BuffEffect::AttackSpeed(ms) => {
+                                stat.attack_speed_modifier *= *ms;
+                            },
                         };
                     }
                 }