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

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

src/fighter/state/hitstun.rs

@@ -2,9 +2,9 @@ use crate::{
     fighter::{
         animation::AnimKind,
         attack::FighterHitReaction,
-        collision,
         state::{
-            FighterState, FighterStateContext, FighterStateImpl, air,
+            CollisionContext, EnterContext, ExitContext, FighterState, FighterStateImpl,
+            InterruptContext, UpdateContext, air,
             fall::FallState,
             ground::{GroundedMotionResult, GroundedStateCommon, collide_with_stage_grounded},
             land::{LandingState, LandingType},
@@ -43,7 +43,7 @@ impl FighterStateImpl for HitstunState {
         format!("Hitstun ({hitstop_kind}, {hit_reaction_type})")
     }
 
-    fn check_interrupt(&self, state_context: &mut FighterStateContext) -> Option<FighterState> {
+    fn check_interrupt(&self, state_context: &mut InterruptContext) -> Option<FighterState> {
         if state_context.get_current_animation_frame() > self.hit_reaction.hitstun_frames {
             match &self.hitstop_kind {
                 HitstopStateKind::Grounded(grounded_state_common) => {
@@ -58,8 +58,8 @@ impl FighterStateImpl for HitstunState {
         }
     }
 
-    fn update(&mut self, ctx: &mut FighterStateContext) {
-        air::integrate_gravity(ctx.velocity, &ctx.fighter_manifest.attributes);
+    fn update(&mut self, ctx: &mut UpdateContext) {
+        air::integrate_gravity(ctx.velocity, ctx.fighter_attributes);
 
         let speed = ctx.knockback_velocity.length();
         let next_speed = speed
@@ -71,7 +71,7 @@ impl FighterStateImpl for HitstunState {
         ctx.translation.0 += ctx.velocity.0 + ctx.knockback_velocity.0;
     }
 
-    fn on_enter(&mut self, state_context: &mut FighterStateContext) {
+    fn on_enter(&mut self, state_context: &mut EnterContext) {
         let animation = match self.hitstop_kind {
             HitstopStateKind::Grounded(_) => AnimKind::FlinchGround,
             HitstopStateKind::Airborne => AnimKind::FlinchAir,
@@ -80,11 +80,11 @@ impl FighterStateImpl for HitstunState {
         state_context.knockback_velocity.0 = self.hit_reaction.launch_velocity;
     }
 
-    fn on_exit(&mut self, _state_context: &mut FighterStateContext) {}
+    fn on_exit(&mut self, _state_context: &mut ExitContext) {}
 
     fn check_collision_interrupt(
         &mut self,
-        state_context: &mut FighterStateContext,
+        state_context: &mut CollisionContext,
     ) -> Option<FighterState> {
         match &mut self.hitstop_kind {
             HitstopStateKind::Grounded(grounded_state_common) => {
@@ -97,7 +97,7 @@ impl FighterStateImpl for HitstunState {
                 }
             }
             HitstopStateKind::Airborne => {
-                if let Some(res) = collision::air_collide_with_stage(state_context) {
+                if let Some(res) = state_context.air_collide_with_stage() {
                     // Adjust translation
                     state_context.translation.0 =
                         res.hit_position - state_context.ecb.get_bottom_point();