Implement land from below, fix attacks not lifting fighters off the ground (#96)

Reviewed-on: #96
Co-authored-by: Álex Román Núñez <eirexe@eirteam.moe>

src/fighter/state/fall.rs

@@ -39,7 +39,10 @@ impl FighterStateImpl for FallState {
         air::collision_interrupt(
             state_context,
             crate::fighter::state::land::LandingType::Normal,
-            true,
+            crate::fighter::collision::AirCollisionOptions {
+                can_pass_through_soft_platforms: true,
+                ..Default::default()
+            },
         )
     }