Spread state context architecture (Fixes #18) (#30)

Reviewed-on: #30
Co-authored-by: Álex Román Núñez <eirexe@eirteam.moe>

src/fighter/state/land.rs

@@ -1,7 +1,8 @@
 use crate::fighter::{
     animation::AnimKind,
     state::{
-        FighterState, FighterStateContext, FighterStateImpl, dash,
+        CollisionContext, EnterContext, FighterState, FighterStateImpl, InterruptContext,
+        UpdateContext, dash,
         fall::FallState,
         ground::{
             self, GroundedMotionResult, GroundedStateCommon,
@@ -35,11 +36,11 @@ impl LandingState {
 impl FighterStateImpl for LandingState {
     const NAME: &'static str = "Landing";
 
-    fn check_interrupt(&self, state_context: &mut FighterStateContext) -> Option<FighterState> {
+    fn check_interrupt(&self, state_context: &mut InterruptContext) -> Option<FighterState> {
         if state_context.is_current_animation_finished() {
             grounded_movement_standstill_common_interrupts(state_context, &self.grounded_common)
         } else if state_context.get_current_animation_frame()
-            >= state_context.fighter_manifest.attributes.landing_iasa
+            >= state_context.fighter_attributes.landing_iasa
             && let LandingType::Normal = self.landing_type
         {
             dash::check_input(state_context, &self.grounded_common).or_else(|| {
@@ -51,18 +52,17 @@ impl FighterStateImpl for LandingState {
         }
     }
 
-    fn update(&mut self, state_context: &mut FighterStateContext) {
-        let friction = if state_context.velocity.x.abs()
-            > state_context.fighter_manifest.attributes.max_walk_vel
-        {
-            state_context.fighter_manifest.attributes.ground_friction
-                * state_context
-                    .game_settings
-                    .fighter_common
-                    .ground_friction_over_walk_speed_multiplier
-        } else {
-            state_context.fighter_manifest.attributes.ground_friction
-        };
+    fn update(&mut self, state_context: &mut UpdateContext) {
+        let friction =
+            if state_context.velocity.x.abs() > state_context.fighter_attributes.max_walk_vel {
+                state_context.fighter_attributes.ground_friction
+                    * state_context
+                        .game_settings
+                        .fighter_common
+                        .ground_friction_over_walk_speed_multiplier
+            } else {
+                state_context.fighter_attributes.ground_friction
+            };
 
         let ground_velocity = state_context.velocity.x;
 
@@ -77,7 +77,7 @@ impl FighterStateImpl for LandingState {
 
     fn check_collision_interrupt(
         &mut self,
-        state_context: &mut FighterStateContext,
+        state_context: &mut CollisionContext,
     ) -> Option<FighterState> {
         if let GroundedMotionResult::InAir =
             ground::collide_with_stage_grounded(state_context, &mut self.grounded_common, true)
@@ -88,7 +88,7 @@ impl FighterStateImpl for LandingState {
         }
     }
 
-    fn on_enter(&mut self, state_context: &mut FighterStateContext) {
+    fn on_enter(&mut self, state_context: &mut EnterContext) {
         match self.landing_type {
             LandingType::Normal => {
                 state_context.play_animation(AnimKind::Landing, false);