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

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

src/fighter/state/ground_attack.rs

@@ -1,6 +1,9 @@
 use crate::fighter::{
     attack::{AttackKind, update_active_hitbox_list},
-    state::{FighterState, FighterStateImpl, ground::GroundedStateCommon, wait::WaitState},
+    state::{
+        CollisionContext, EnterContext, ExitContext, FighterState, FighterStateImpl,
+        InterruptContext, UpdateContext, ground::GroundedStateCommon, wait::WaitState,
+    },
 };
 
 #[derive(Clone, Debug, Hash)]
@@ -12,10 +15,7 @@ pub struct GroundAttackState {
 impl FighterStateImpl for GroundAttackState {
     const NAME: &'static str = "GroundAttack";
 
-    fn check_interrupt(
-        &self,
-        state_context: &mut super::FighterStateContext,
-    ) -> Option<FighterState> {
+    fn check_interrupt(&self, state_context: &mut InterruptContext) -> Option<FighterState> {
         if state_context.is_current_animation_finished() {
             Some(FighterState::Wait(WaitState {
                 grounded_common: self.grounded_common.clone(),
@@ -25,7 +25,7 @@ impl FighterStateImpl for GroundAttackState {
         }
     }
 
-    fn update(&mut self, state_context: &mut super::FighterStateContext) {
+    fn update(&mut self, state_context: &mut UpdateContext) {
         let animation_frame = state_context.get_current_animation_frame();
         let script = state_context
             .attack_scripts
@@ -44,7 +44,7 @@ impl FighterStateImpl for GroundAttackState {
         }
     }
 
-    fn on_enter(&mut self, state_context: &mut super::FighterStateContext) {
+    fn on_enter(&mut self, state_context: &mut EnterContext) {
         state_context.play_animation(self.attack_kind.get_animation(), false);
         let script = state_context.attack_script_assets.scripts[&self.attack_kind].clone();
         state_context.stale_move_queue.push(self.attack_kind);
@@ -57,20 +57,20 @@ impl FighterStateImpl for GroundAttackState {
         });
     }
 
-    fn on_exit(&mut self, state_context: &mut super::FighterStateContext) {
+    fn on_exit(&mut self, state_context: &mut ExitContext) {
         state_context.hitboxes.0 = None;
     }
 
     fn check_collision_interrupt(
         &mut self,
-        _state_context: &mut super::FighterStateContext,
+        _state_context: &mut CollisionContext,
     ) -> Option<FighterState> {
         None
     }
 }
 
 pub fn check_interrupt(
-    state_context: &super::FighterStateContext,
+    state_context: &InterruptContext,
     grounded_common: &GroundedStateCommon,
 ) -> Option<FighterState> {
     if state_context