Add shifting ECB based on bone positions (melee-like)

src/fighter/state/air.rs

@@ -83,9 +83,7 @@ pub fn apply_air_motion(
     velocity: &FighterVelocity,
     translation: &mut FighterTranslation,
     prev_translation: &mut FighterPreviousTranslation,
-    surface: &mut FighterSurfaceState,
 ) {
-    surface.leave_ground();
     // Vertical velocity should be 0 on the ground
     prev_translation.0 = translation.0;
     translation.0 += velocity.0;
@@ -111,7 +109,6 @@ pub fn update_standard_motion(
         ctx.velocity,
         ctx.translation,
         ctx.prev_translation,
-        ctx.surface,
     );
 }
 
@@ -120,7 +117,12 @@ pub fn collision_interrupt(
     landing_type: LandingType,
 ) -> Option<FighterState> {
     let res = ctx.air_collide_with_stage()?;
-    ctx.translation.0 = res.hit_position - ctx.ecb.get_bottom_point();
+    let diff = res.hit_position - ctx.translation.0;
+    ctx.ecb.bottom -= diff;
+    ctx.ecb.top -= diff;
+    ctx.ecb.left -= diff;
+    ctx.ecb.right -= diff;
+    ctx.translation.0 = res.hit_position;
     ctx.surface.land(res.line_id);
     Some(FighterState::Land(LandingState::create(landing_type)))
 }