Fix match state remaining mutable after and of match and implement initial work on aerials (#77)

Reviewed-on: #77
Co-authored-by: Álex Román Núñez <eirexe@eirteam.moe>

src/input/buffer.rs

@@ -9,6 +9,7 @@ use bevy_ggrs::{PlayerInputs, Rollback};
 use strum::IntoEnumIterator;
 use strum_macros::EnumIter;
 
+use crate::fighter::FighterFacingDirection;
 use crate::fighter::attack::AttackKind;
 use crate::game_settings::GameSettings;
 use crate::input::FighterInputFrame;
@@ -54,6 +55,26 @@ impl FighterAttackCommandType {
             FighterAttackCommandType::TiltAttackRight => AttackKind::ForwardTilt,
         }
     }
+    pub fn to_attack_kind_airborne(&self, facing_direction: &FighterFacingDirection) -> AttackKind {
+        match self {
+            FighterAttackCommandType::Neutral => AttackKind::NeutralAir,
+            FighterAttackCommandType::SmashAttackUp | FighterAttackCommandType::TiltAttackUp => AttackKind::UpAir,
+            FighterAttackCommandType::SmashAttackDown | FighterAttackCommandType::TiltAttackDown => AttackKind::DownAir,
+            
+            FighterAttackCommandType::SmashAttackLeft | FighterAttackCommandType::TiltAttackLeft => {
+                match facing_direction {
+                    FighterFacingDirection::Left => AttackKind::ForwardAir,
+                    FighterFacingDirection::Right => AttackKind::BackAir,
+                }
+            },
+            FighterAttackCommandType::SmashAttackRight | FighterAttackCommandType::TiltAttackRight => {
+                match facing_direction {
+                    FighterFacingDirection::Left => AttackKind::BackAir,
+                    FighterFacingDirection::Right => AttackKind::ForwardAir,
+                }
+            },
+        }
+    }
 }
 
 /// Frames of life remaining for each buffered command. Indexed by