Implement crouching

src/camera/mod.rs

@@ -5,7 +5,7 @@ use bevy_ggrs::GgrsFrameTiming;
 
 use crate::{
     debug_tools::DebugSettings,
-    fighter::{manifest::FighterManifest, motion::{sample_presentation_translation_with_snap, FighterPresentationSnap}},
+    fighter::{manifest::FighterManifest, motion::sample_presentation_translation},
     stage::manifest::StageCameraProfile,
 };
 
@@ -313,7 +313,6 @@ fn update_match_camera(
             &crate::fighter::motion::FighterPreviousTranslation,
             &crate::fighter::Fighter,
             &crate::fighter::FighterFacingDirection,
-            &FighterPresentationSnap,
             &mut FighterCameraExtents,
         ),
         With<crate::player::Player>,
@@ -330,17 +329,16 @@ fn update_match_camera(
     let subjects = fighters
         .iter_mut()
         .map(
-            |(translation, previous_translation, fighter, facing, presentation_snap, mut extents)| {
+            |(translation, previous_translation, fighter, facing, mut extents)| {
                 let manifest = manifests
                     .get(&fighter.manifest)
                     .expect("Fighter manifest should be valid");
                 fighter_subject_bounds(
-                    sample_presentation_translation_with_snap(
+                    sample_presentation_translation(
                         *previous_translation,
                         *translation,
                         timing.overstep_fraction(),
                         debug_settings.motion_sampling,
-                        *presentation_snap,
                     ),
                     manifest.camera,
                     *facing,
@@ -467,7 +465,6 @@ fn debug_draw_camera(
             &crate::fighter::motion::FighterPreviousTranslation,
             &crate::fighter::Fighter,
             &crate::fighter::FighterFacingDirection,
-            &FighterPresentationSnap,
             &FighterCameraExtents,
         ),
         With<crate::player::Player>,
@@ -489,16 +486,15 @@ fn debug_draw_camera(
             Color::srgb(1.0, 0.5, 0.0),
         );
         draw_rectangle(&mut gizmos, camera.frame, Color::srgb(1.0, 1.0, 0.0));
-        for (translation, previous_translation, fighter, _facing, presentation_snap, extents) in &fighters {
+        for (translation, previous_translation, fighter, _facing, extents) in &fighters {
             let manifest = manifests
                 .get(&fighter.manifest)
                 .expect("Fighter manifest should be valid");
-            let center = sample_presentation_translation_with_snap(
+            let center = sample_presentation_translation(
                 *previous_translation,
                 *translation,
                 timing.overstep_fraction(),
                 debug_settings.motion_sampling,
-                *presentation_snap,
             ) + Vec2::Y * manifest.camera.vertical_origin_offset.to_num::<f32>();
             draw_rectangle(
                 &mut gizmos,

src/debug_tools/save_state.rs

@@ -153,7 +153,7 @@ pub(super) fn save_or_restore(world: &mut World) {
         entity.insert(saved.hitboxes.clone());
         entity.insert(saved.solved_hurtboxes.clone());
         entity.insert(saved.bone_matrices.clone());
-        entity.insert(saved.surface.clone());
+        entity.insert(saved.surface);
     }
     world.insert_resource(checkpoint.pending_hits.clone());
     world.insert_resource(checkpoint.stage_collision);
@@ -187,7 +187,7 @@ fn capture_fighter(world: &World, entity: Entity) -> Option<FighterCheckpoint> {
         hitboxes: fighter.get::<FighterHitboxes>()?.clone(),
         solved_hurtboxes: fighter.get::<FighterSolvedHurtboxes>()?.clone(),
         bone_matrices: fighter.get::<FighterBoneMatrices>()?.clone(),
-        surface: fighter.get::<FighterSurfaceState>()?.clone(),
+        surface: *fighter.get::<FighterSurfaceState>()?,
     })
 }
 

src/fighter/animation.rs

@@ -88,8 +88,6 @@ pub enum AnimKind {
     CrouchIdle,
     CrouchExit,
 
-    PlatformPass,
-
     FlinchGround,
     FlinchAir,
 

src/fighter/collision.rs

@@ -4,7 +4,7 @@ use crate::fighter::ecb::FighterPreviousECB;
 use crate::fighter::{FighterECB, FighterPreviousTranslation, FighterTranslation};
 use crate::math::segment::FGSegment2d;
 use crate::math::vec::FGVec2;
-use crate::stage::line::{StageCollision, StageLineID, StagePolyType};
+use crate::stage::line::{StageCollision, StageLineID};
 /*
 pub fn collide_fighter_with_scene(
     fighters: Query<(&FighterECB, &mut FighterVelocity, &mut FighterTranslation)>,
@@ -44,8 +44,6 @@ pub fn air_collide_with_stage(
     prev_ecb: &FighterPreviousECB,
     ecb: &FighterECB,
     stage_collision: &StageCollision,
-    ignored_polys: &[usize],
-    ignore_soft_platforms: bool,
 ) -> Option<AirCollisionWithStageResult> {
     let ray_segment = FGSegment2d::new(
         prev_translation.0 + prev_ecb.get_bottom_point(),
@@ -56,10 +54,6 @@ pub fn air_collide_with_stage(
         .stage_polys
         .iter()
         .enumerate()
-        .filter(|(poly_idx, poly)| {
-            !ignored_polys.contains(poly_idx)
-                && !(ignore_soft_platforms && matches!(poly.poly_type, StagePolyType::Platform))
-        })
         .filter_map(|(poly_idx, poly)| {
             poly.intersect_ray(ray_segment).map(|intersect_result| {
                 (
@@ -82,134 +76,3 @@ pub fn air_collide_with_stage(
         .max_by(|(_, a), (_, b)| a.cmp(b))
         .map(|(result, _)| result)
 }
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use crate::fighter::ecb::{FighterECB, FighterPreviousECB};
-    use crate::stage::line::{StagePoly, StagePolyLineSegmentType, StagePolyType};
-
-    fn horizontal_platform(y: &str) -> StagePoly {
-        StagePoly::build(
-            StagePolyType::Platform,
-            &[
-                (FGVec2::lit("-2", y), StagePolyLineSegmentType::Floor),
-                (FGVec2::lit("2", y), StagePolyLineSegmentType::Floor),
-            ],
-        )
-    }
-
-    fn solid_floor() -> StagePoly {
-        StagePoly::build(
-            StagePolyType::Closed,
-            &[
-                (FGVec2::lit("-2", "0"), StagePolyLineSegmentType::Floor),
-                (FGVec2::lit("2", "0"), StagePolyLineSegmentType::Floor),
-                (FGVec2::lit("2", "-2"), StagePolyLineSegmentType::Wall),
-                (FGVec2::lit("-2", "-2"), StagePolyLineSegmentType::Wall),
-            ],
-        )
-    }
-
-    #[test]
-    fn airborne_collision_skips_ignored_polygons() {
-        let stage_collision = StageCollision {
-            stage_polys: vec![horizontal_platform("0"), horizontal_platform("1")],
-        };
-        let previous_translation = FighterPreviousTranslation(FGVec2::lit("0", "2"));
-        let translation = FighterTranslation(FGVec2::lit("0", "-1"));
-        let previous_ecb = FighterPreviousECB {
-            bottom: FGVec2::ZERO,
-            top: FGVec2::ZERO,
-            left: FGVec2::ZERO,
-            right: FGVec2::ZERO,
-        };
-        let ecb = FighterECB {
-            bottom: FGVec2::ZERO,
-            top: FGVec2::ZERO,
-            left: FGVec2::ZERO,
-            right: FGVec2::ZERO,
-        };
-
-        let collision = air_collide_with_stage(
-            &previous_translation,
-            &translation,
-            &previous_ecb,
-            &ecb,
-            &stage_collision,
-            &[1],
-            false,
-        )
-        .expect("the non-ignored platform should still be collidable");
-
-        assert_eq!(collision.line_id.polygon, 0);
-        assert_eq!(collision.hit_position, FGVec2::lit("0", "0"));
-    }
-
-    #[test]
-    fn airborne_collision_skips_soft_platforms_while_passing_down() {
-        let stage_collision = StageCollision {
-            stage_polys: vec![horizontal_platform("0")],
-        };
-        let previous_translation = FighterPreviousTranslation(FGVec2::lit("0", "2"));
-        let translation = FighterTranslation(FGVec2::lit("0", "-1"));
-        let previous_ecb = FighterPreviousECB {
-            bottom: FGVec2::ZERO,
-            top: FGVec2::ZERO,
-            left: FGVec2::ZERO,
-            right: FGVec2::ZERO,
-        };
-        let ecb = FighterECB {
-            bottom: FGVec2::ZERO,
-            top: FGVec2::ZERO,
-            left: FGVec2::ZERO,
-            right: FGVec2::ZERO,
-        };
-
-        assert!(air_collide_with_stage(
-            &previous_translation,
-            &translation,
-            &previous_ecb,
-            &ecb,
-            &stage_collision,
-            &[],
-            true,
-        )
-        .is_none());
-    }
-
-    #[test]
-    fn airborne_collision_still_hits_solid_floors_while_passing_down() {
-        let stage_collision = StageCollision {
-            stage_polys: vec![solid_floor()],
-        };
-        let previous_translation = FighterPreviousTranslation(FGVec2::lit("0", "2"));
-        let translation = FighterTranslation(FGVec2::lit("0", "-1"));
-        let previous_ecb = FighterPreviousECB {
-            bottom: FGVec2::ZERO,
-            top: FGVec2::ZERO,
-            left: FGVec2::ZERO,
-            right: FGVec2::ZERO,
-        };
-        let ecb = FighterECB {
-            bottom: FGVec2::ZERO,
-            top: FGVec2::ZERO,
-            left: FGVec2::ZERO,
-            right: FGVec2::ZERO,
-        };
-
-        let collision = air_collide_with_stage(
-            &previous_translation,
-            &translation,
-            &previous_ecb,
-            &ecb,
-            &stage_collision,
-            &[],
-            true,
-        )
-        .expect("solid floors remain collidable while passing down");
-
-        assert_eq!(collision.line_id.polygon, 0);
-        assert_eq!(collision.hit_position, FGVec2::lit("0", "0"));
-    }
-}

src/fighter/ecb.rs

@@ -105,8 +105,8 @@ pub fn update_ecb(
         let left = FGVec2::new(min_x, midpoint_height);
         let right = FGVec2::new(max_x, midpoint_height);
 
-        let ecb_lock_frames_remaining = if let FighterSurfaceState::Airborne { ecb_lock_frames_remaining, .. } = surface_state {
+        let ecb_lock_frames_remaining = if let FighterSurfaceState::Airborne { ecb_lock_frames_remaining } = *surface_state {
-            *ecb_lock_frames_remaining
+            ecb_lock_frames_remaining
         } else {
             0
         };
@@ -129,7 +129,6 @@ pub fn update_ecb(
 pub fn decrement_ecb_lockout(surface_states: Query<&mut FighterSurfaceState>) {
     for mut state in surface_states {
         state.tick_ecb_lock();
-        state.tick_ignored_polygons();
     }
 }
 

src/fighter/mod.rs

@@ -29,8 +29,7 @@ pub use attributes::FighterAttributes;
 pub use ecb::FighterECB;
 pub use manifest::FighterId;
 pub use motion::{
-    FighterPresentationSnap, FighterPreviousFacingDirection, FighterPreviousTranslation,
+    FighterPreviousFacingDirection, FighterPreviousTranslation, FighterTranslation, FighterVelocity,
-    FighterTranslation, FighterVelocity,
 };
 pub use surface::FighterSurfaceState;
 
@@ -148,10 +147,6 @@ impl Plugin for FighterPlugin {
     fn build(&self, app: &mut App) {
         app.add_plugins(FighterAttackPlugin)
             // Every state gets a chance to interrupt itself, in priority order.
-            .add_systems(
-                GgrsSchedule,
-                motion::clear_fighter_presentation_snaps.in_set(GameplaySet::Input),
-            )
             .add_systems(
                 GgrsSchedule,
                 (
@@ -207,13 +202,11 @@ impl Plugin for FighterPlugin {
             .checksum_component_with_hash::<FighterTranslation>()
             .rollback_component_with_copy::<FighterPreviousTranslation>()
             .checksum_component_with_hash::<FighterPreviousTranslation>()
-            .rollback_component_with_copy::<FighterPresentationSnap>()
-            .checksum_component_with_hash::<FighterPresentationSnap>()
             .rollback_component_with_copy::<FighterPreviousFacingDirection>()
             .checksum_component_with_hash::<FighterPreviousFacingDirection>()
             .rollback_component_with_copy::<animation::FighterAnimationFrame>()
             .checksum_component_with_hash::<animation::FighterAnimationFrame>()
-            .rollback_component_with_clone::<FighterSurfaceState>()
+            .rollback_component_with_copy::<FighterSurfaceState>()
             .checksum_component_with_hash::<FighterSurfaceState>()
             .rollback_component_with_copy::<FighterFacingDirection>()
             .rollback_component_with_copy::<FighterDamage>()
@@ -311,7 +304,6 @@ pub fn spawn_fighter(
                 FighterVelocity::default(),
                 FighterTranslation(spawn_position),
                 FighterPreviousTranslation(spawn_position),
-                FighterPresentationSnap::default(),
             ),
             visual_root,
             animations,

src/fighter/motion.rs

@@ -21,11 +21,6 @@ pub struct FighterVelocity(pub FGVec2);
 #[derive(Component, Deref, DerefMut, Default, Clone, Copy, Hash)]
 pub struct FighterPreviousTranslation(pub FGVec2);
 
-/// Marks a simulation frame whose position changed discontinuously for
-/// presentation purposes (for example, a landing correction).
-#[derive(Component, Default, Clone, Copy, Hash, Debug, PartialEq, Eq)]
-pub struct FighterPresentationSnap(pub bool);
-
 #[derive(Component, Deref, DerefMut, Default, Clone, Copy, Hash)]
 #[require(FighterPreviousTranslation)]
 pub struct FighterTranslation(pub FGVec2);
@@ -57,31 +52,10 @@ pub fn sample_presentation_translation(
     }
 }
 
-pub fn sample_presentation_translation_with_snap(
-    previous: FighterPreviousTranslation,
-    current: FighterTranslation,
-    overstep_fraction: f32,
-    mode: PresentationMotionMode,
-    snapped: FighterPresentationSnap,
-) -> Vec2 {
-    if snapped.0 {
-        Vec2::new(current.x.to_num(), current.y.to_num())
-    } else {
-        sample_presentation_translation(previous, current, overstep_fraction, mode)
-    }
-}
-
-pub fn clear_fighter_presentation_snaps(mut fighters: Query<&mut FighterPresentationSnap>) {
-    for mut snap in &mut fighters {
-        snap.0 = false;
-    }
-}
-
 pub fn apply_fighter_translation_to_visuals(
     query: Query<(
         &FighterTranslation,
         &FighterPreviousTranslation,
-        &FighterPresentationSnap,
         &FighterHitstopShake,
         &mut Transform,
     )>,
@@ -90,13 +64,12 @@ pub fn apply_fighter_translation_to_visuals(
     game_settings: Res<GameSettings>,
 ) {
     let overstep_fraction = timing.overstep_fraction();
-    for (translation, previous_translation, presentation_snap, hitstop_shake, mut transform) in query {
+    for (translation, previous_translation, hitstop_shake, mut transform) in query {
-        let translation = sample_presentation_translation_with_snap(
+        let translation = sample_presentation_translation(
             *previous_translation,
             *translation,
             overstep_fraction,
             debug_settings.motion_sampling,
-            *presentation_snap,
         );
         transform.translation = Vec3::new(
             translation.x,
@@ -196,19 +169,6 @@ mod tests {
         assert_eq!(position, Vec2::new(7.0, 14.0));
     }
 
-    #[test]
-    fn presentation_translation_uses_current_sample_after_snap() {
-        let position = sample_presentation_translation_with_snap(
-            FighterPreviousTranslation(FGVec2::new(FGi32::lit("2"), FGi32::lit("4"))),
-            FighterTranslation(FGVec2::new(FGi32::lit("6"), FGi32::lit("12"))),
-            0.25,
-            PresentationMotionMode::Extrapolation,
-            FighterPresentationSnap(true),
-        );
-
-        assert_eq!(position, Vec2::new(6.0, 12.0));
-    }
-
     #[test]
     fn snapshot_fighter_motion_copies_current_world_state() {
         let mut world = World::new();

src/fighter/state/air.rs

@@ -123,7 +123,6 @@ pub fn collision_interrupt(
     ctx.ecb.left -= diff;
     ctx.ecb.right -= diff;
     ctx.translation.0 = res.hit_position;
-    ctx.presentation_snap.0 = true;
     ctx.surface.land(res.line_id);
     Some(FighterState::Land(LandingState::create(landing_type)))
 }

src/fighter/state/crouch.rs

@@ -1,30 +1,25 @@
 use super::{
     CollisionContext, EnterContext, FighterStateImpl, InterruptContext, UpdateContext, ground,
 };
-use crate::fighter::FighterSurfaceState;
 use crate::fighter::animation::AnimKind;
-use crate::fighter::state::air::AirborneStateCommon;
-use crate::fighter::state::ground::{
-    grounded_movement_common_interrupts, grounded_movement_standstill_common_interrupts,
-};
-use crate::fighter::state::platform_pass::PlatformPassState;
 use crate::fighter::state::{FighterState, dash, ground_attack, turn, walk};
-use crate::input::FighterCommands;
+use crate::fighter::state::ground::{grounded_movement_common_interrupts, grounded_movement_standstill_common_interrupts};
-use crate::stage::line::StagePolyType;
 
 #[derive(Debug, Clone, Hash)]
 pub enum CrouchSubState {
-    Entering { pass_queued: bool },
+    Entering,
     Idle,
-    Exiting,
+    Exiting
 }
 
 #[derive(Debug, Clone, Hash)]
 pub struct CrouchState {
-    sub_state: CrouchSubState,
+    sub_state: CrouchSubState
 }
 
-pub fn crouch_idle_interrupts(state_context: &InterruptContext) -> Option<FighterState> {
+pub fn crouch_idle_interrupts(
+    state_context: &InterruptContext,
+) -> Option<FighterState> {
     if let Some(state) = ground_attack::check_interrupt(state_context) {
         Some(state)
     } else if let Some(state) = dash::check_input(state_context) {
@@ -38,7 +33,9 @@ pub fn crouch_idle_interrupts(state_context: &InterruptContext) -> Option<Fighte
     }
 }
 
-pub fn crouch_entering_interrupts(state_context: &InterruptContext) -> Option<FighterState> {
+pub fn crouch_entering_interrupts(
+    state_context: &InterruptContext,
+) -> Option<FighterState> {
     if let Some(state) = ground_attack::check_interrupt(state_context) {
         Some(state)
     } else {
@@ -54,85 +51,54 @@ impl FighterStateImpl for CrouchState {
         }
 
         match self.sub_state {
-            CrouchSubState::Entering { pass_queued } => {
+            CrouchSubState::Entering => {
-                // pass
-                if let FighterSurfaceState::Grounded { line_id } = state_context.surface {
-                    if let Some(stage_poly) = state_context
-                        .stage_collision
-                        .stage_polys
-                        .get(line_id.polygon)
-                    {
-                        let is_inputting_crouch = -state_context.game_settings.input_common.run_stick_threshold > state_context.input.get_last_frame().movement.y;
-                        let is_on_a_soft_platform = matches!(stage_poly.poly_type, StagePolyType::Platform);
-                        if pass_queued && is_inputting_crouch && is_on_a_soft_platform 
-                        {
-                            return Some(FighterState::PlatformPass(PlatformPassState::new(
-                                AirborneStateCommon::default(),
-                                line_id.polygon,
-                            )));
-                        }
-                    }
-                }
-
                 // While entering the crouch animation we do not allow movement inputs, but we do allow attacks and jumps
                 if state_context.is_current_animation_finished() {
-                    return Some(FighterState::Crouch(CrouchState {
+                    return Some(FighterState::Crouch(
-                        sub_state: CrouchSubState::Idle,
+                        CrouchState {
-                    }));
+                            sub_state: CrouchSubState::Idle,
+                        }
+                    ));
                 } else {
                     return crouch_entering_interrupts(state_context);
                 }
-            }
+            },
             CrouchSubState::Idle => {
-                if state_context.input.get_last_frame().movement.y
+                if state_context.input.get_last_frame().movement.y > -state_context.game_settings.input_common.run_stick_threshold {
-                    > -state_context.game_settings.input_common.run_stick_threshold
+                    return Some(FighterState::Crouch (
-                {
+                        CrouchState {
-                    return Some(FighterState::Crouch(CrouchState {
+                            sub_state: CrouchSubState::Exiting,
-                        sub_state: CrouchSubState::Exiting,
+                        }
-                    }));
+                    ));
                 } else {
                     return crouch_idle_interrupts(state_context);
                 }
-            }
+            },
             CrouchSubState::Exiting => {
                 if state_context.is_current_animation_finished() {
                     return grounded_movement_standstill_common_interrupts(state_context);
                 } else {
                     return crouch_idle_interrupts(state_context);
                 }
-            }
+            },
         }
     }
 
     fn on_enter(&mut self, state_context: &mut EnterContext) {
         match self.sub_state {
-            CrouchSubState::Entering { .. } => {
+            CrouchSubState::Entering => {
                 state_context.play_animation(AnimKind::CrouchEnter, false);
-            }
+            },
             CrouchSubState::Idle => {
                 state_context.play_animation(AnimKind::CrouchIdle, true);
-            }
+            },
             CrouchSubState::Exiting => {
                 state_context.play_animation(AnimKind::CrouchExit, false);
-            }
+            },
         }
     }
 
     fn update(&mut self, state_context: &mut UpdateContext) {
-        if let CrouchSubState::Entering {
-            pass_queued,
-        } = &mut self.sub_state
-        {
-            if state_context
-                .input
-                .has_command(FighterCommands::SmashMoveDown)
-            {
-                state_context
-                    .input
-                    .clear_command(FighterCommands::SmashMoveDown);
-                *pass_queued = true;
-            }
-        }
         ground::update_friction_motion(state_context);
     }
 
@@ -153,7 +119,7 @@ pub fn check_input(state_context: &InterruptContext) -> Option<FighterState> {
 
     if input_frame.movement.y <= -state_context.game_settings.input_common.run_stick_threshold {
         return Some(FighterState::Crouch(CrouchState {
-            sub_state: CrouchSubState::Entering { pass_queued: false },
+            sub_state: CrouchSubState::Entering
         }));
     }
     None

src/fighter/state/ground.rs

@@ -248,7 +248,6 @@ mod tests {
     use crate::fighter::ecb::FighterPreviousECB;
     use crate::fighter::{FighterECB, FighterSurfaceState};
     use crate::stage::line::StagePolyType;
-    use crate::input::FighterInput;
 
     fn two_segment_floor() -> StagePoly {
         StagePoly::build(
@@ -376,19 +375,15 @@ mod tests {
             right: FGVec2::lit("0.5", "0.0"),
         };
         let previous_ecb = FighterPreviousECB::from(ecb);
-        let mut presentation_snap = crate::fighter::FighterPresentationSnap::default();
         let mut context = CollisionContext {
             translation: &mut translation,
             prev_translation: &previous_translation,
-            input: &FighterInput::default(),
             velocity: &mut velocity,
             surface: &mut surface,
             ecb: &mut ecb,
             prev_ecb: &previous_ecb,
             stage_collision: &stage_collision,
             leave_ground_ecb_lock_duration: 10,
-            presentation_snap: &mut presentation_snap,
-            downward_stick_threshold: FGi32::ONE,
         };
 
         assert!(matches!(
@@ -431,19 +426,15 @@ mod tests {
             right: FGVec2::lit("0.5", "0.0"),
         };
         let previous_ecb = FighterPreviousECB::from(ecb);
-        let mut presentation_snap = crate::fighter::FighterPresentationSnap::default();
         let mut context = CollisionContext {
             translation: &mut translation,
             prev_translation: &previous_translation,
-            input: &FighterInput::default(),
             velocity: &mut velocity,
             surface: &mut surface,
             ecb: &mut ecb,
             prev_ecb: &previous_ecb,
             stage_collision: &stage_collision,
             leave_ground_ecb_lock_duration: 10,
-            presentation_snap: &mut presentation_snap,
-            downward_stick_threshold: FGi32::ONE,
         };
 
         assert!(matches!(

src/fighter/state/mod.rs

@@ -20,7 +20,6 @@ use crate::fighter::{
     Fighter, FighterECB, FighterFacingDirection, FighterHitboxes, FighterHitstop,
     FighterHitstopShake, FighterHitstopShakeKind, FighterHitstopShakeRole,
     FighterPreviousTranslation, FighterSurfaceState, FighterTranslation, FighterVelocity,
-    FighterPresentationSnap,
 };
 use crate::fighter::surface::EcbLockPolicy;
 use crate::game_settings::GameSettings;
@@ -43,7 +42,6 @@ pub mod turn;
 pub mod wait;
 pub mod walk;
 pub mod crouch;
-pub mod platform_pass;
 
 #[derive(Clone, Copy, Debug, Hash, PartialEq, Eq)]
 pub enum SurfacePolicy {
@@ -129,9 +127,7 @@ pub struct InterruptContext<'a> {
     pub facing_direction: &'a mut FighterFacingDirection,
     pub game_settings: &'a GameSettings,
     pub fighter_attributes: &'a FighterAttributes,
-    pub surface: &'a FighterSurfaceState,
     pub animation: AnimationStatus,
-    pub stage_collision: &'a StageCollision,
 }
 
 impl InterruptContext<'_> {
@@ -152,10 +148,8 @@ pub struct EnterContext<'a> {
     pub stale_move_queue: &'a mut FighterStaleMoveQueue,
     pub facing_direction: &'a mut FighterFacingDirection,
     pub animation_frame: &'a mut FighterAnimationFrame,
-    pub surface: &'a mut FighterSurfaceState,
     pub fighter_attributes: &'a FighterAttributes,
     pub attack_script_assets: &'a FighterAttackScriptAssets,
-    pub game_settings: &'a GameSettings,
 }
 
 impl EnterContext<'_> {
@@ -166,7 +160,6 @@ impl EnterContext<'_> {
 
 pub struct ExitContext<'a> {
     pub hitboxes: &'a mut FighterHitboxes,
-    pub surface: &'a mut FighterSurfaceState,
 }
 
 pub struct UpdateContext<'a> {
@@ -194,32 +187,24 @@ impl UpdateContext<'_> {
 pub struct CollisionContext<'a> {
     pub translation: &'a mut FighterTranslation,
     pub prev_translation: &'a FighterPreviousTranslation,
-    pub input: &'a FighterInput,
     pub velocity: &'a mut FighterVelocity,
     pub surface: &'a mut FighterSurfaceState,
     pub ecb: &'a mut FighterECB,
     pub prev_ecb: &'a FighterPreviousECB,
     pub stage_collision: &'a StageCollision,
     pub leave_ground_ecb_lock_duration: u32,
-    pub presentation_snap: &'a mut FighterPresentationSnap,
-    pub downward_stick_threshold: FGi32,
 }
 
 impl CollisionContext<'_> {
     pub fn air_collide_with_stage(
         &self,
     ) -> Option<crate::fighter::collision::AirCollisionWithStageResult> {
-        let ignored_polys = self.surface.ignored_polygon_ids();
-        let ignore_soft_platforms = self.input.get_last_frame().movement.y
-            <= -self.downward_stick_threshold;
         crate::fighter::collision::air_collide_with_stage(
             self.prev_translation,
             self.translation,
             self.prev_ecb,
             self.ecb,
             self.stage_collision,
-            &ignored_polys,
-            ignore_soft_platforms,
         )
     }
 }
@@ -227,7 +212,6 @@ impl CollisionContext<'_> {
 fighter_states! {
     Wait => wait::WaitState,
     Walk => walk::WalkState,
-    PlatformPass => platform_pass::PlatformPassState,
     Crouch => crouch::CrouchState,
     Dash => dash::DashState,
     Run => run::RunState,
@@ -246,7 +230,6 @@ fighter_states! {
 pub struct FighterFrameQuery {
     pub translation: &'static mut FighterTranslation,
     pub prev_translation: &'static mut FighterPreviousTranslation,
-    pub presentation_snap: &'static mut FighterPresentationSnap,
     pub input: &'static mut FighterInput,
     pub hitboxes: &'static mut FighterHitboxes,
     pub velocity: &'static mut FighterVelocity,
@@ -283,7 +266,6 @@ impl<'w, 's> FighterFrameQueryItem<'w, 's> {
         animations: &'a FighterAnimations,
         baked_animations: &'a Assets<BakedFighterAnimations>,
         attributes: &'a FighterAttributes,
-        stage_collision: &'a StageCollision,
     ) -> InterruptContext<'a> {
         let animation = self.animation_status(animations, baked_animations);
         InterruptContext {
@@ -292,8 +274,6 @@ impl<'w, 's> FighterFrameQueryItem<'w, 's> {
             game_settings,
             fighter_attributes: attributes,
             animation,
-            surface: &self.surface,
-            stage_collision,
         }
     }
 
@@ -301,7 +281,6 @@ impl<'w, 's> FighterFrameQueryItem<'w, 's> {
         &'a mut self,
         attributes: &'a FighterAttributes,
         attack_script_assets: &'a FighterAttackScriptAssets,
-        game_settings: &'a GameSettings,
     ) -> EnterContext<'a> {
         EnterContext {
             input: &mut self.input,
@@ -311,17 +290,14 @@ impl<'w, 's> FighterFrameQueryItem<'w, 's> {
             stale_move_queue: &mut self.stale_move_queue,
             facing_direction: &mut self.facing_direction,
             animation_frame: &mut self.animation_frame,
-            surface: &mut self.surface,
             fighter_attributes: attributes,
             attack_script_assets,
-            game_settings
         }
     }
 
     fn exit_context(&mut self) -> ExitContext<'_> {
         ExitContext {
             hitboxes: &mut self.hitboxes,
-            surface: &mut self.surface,
         }
     }
 
@@ -357,15 +333,12 @@ impl<'w, 's> FighterFrameQueryItem<'w, 's> {
         CollisionContext {
             translation: &mut self.translation,
             prev_translation: &self.prev_translation,
-            presentation_snap: &mut self.presentation_snap,
-            input: &self.input,
             velocity: &mut self.velocity,
             surface: &mut self.surface,
             ecb: &mut self.ecb,
             prev_ecb: &self.prev_ecb,
             stage_collision,
-            leave_ground_ecb_lock_duration: game_settings.fighter_common.leave_ground_ecb_frame_lock_duration,
+            leave_ground_ecb_lock_duration: game_settings.fighter_common.leave_ground_ecb_frame_lock_duration
-            downward_stick_threshold: game_settings.input_common.run_stick_threshold,
         }
     }
 }
@@ -432,7 +405,7 @@ fn transition_state(
             game_settings.fighter_common.leave_ground_ecb_frame_lock_duration,
         );
     }
-    next.on_enter(&mut frame.enter_context(attributes, attack_script_assets, game_settings));
+    next.on_enter(&mut frame.enter_context(attributes, attack_script_assets));
     *current = next;
     info!("{} -> {}", old_name, new_name);
 }
@@ -442,7 +415,6 @@ pub fn state_interrupt_system(
     game_settings: Res<GameSettings>,
     baked_animations: Res<Assets<BakedFighterAnimations>>,
     fighter_manifests: Res<Assets<FighterManifest>>,
-    stage_collision: Res<StageCollision>,
 ) {
     for fighter in &mut query {
         let StatefulFighterQueryItem {
@@ -516,7 +488,6 @@ pub fn state_interrupt_system(
                 animations,
                 &baked_animations,
                 &manifest.attributes,
-                &stage_collision
             ))
         };
 

src/fighter/state/platform_pass.rs

@@ -1,61 +0,0 @@
-use super::{CollisionContext, EnterContext, FighterStateImpl, InterruptContext, UpdateContext};
-use crate::fighter::animation::AnimKind;
-use crate::fighter::state::air::AirborneStateCommon;
-use crate::fighter::state::{ExitContext, FighterState, air, jump};
-
-#[derive(Debug, Clone, Copy, Hash, Default)]
-pub struct PlatformPassState {
-    airborne_state_common: AirborneStateCommon,
-    ignored_polygon: usize,
-}
-
-impl PlatformPassState {
-    pub fn new(airborne_state_common: AirborneStateCommon, ignored_polygon: usize) -> Self {
-        Self {
-            airborne_state_common,
-            ignored_polygon
-        }
-    }
-}
-
-impl FighterStateImpl for PlatformPassState {
-    const NAME: &'static str = "PlatformPass";
-    
-    fn check_interrupt(&self, state_context: &mut InterruptContext) -> Option<FighterState> {
-        jump::check_input_double_jump(state_context)
-    }
-
-    fn on_enter(&mut self, state_context: &mut EnterContext) {
-        state_context.surface.ignore_polygon(self.ignored_polygon, state_context.game_settings.fighter_common.platform_pass_platform_ignore_duration_frames);
-        state_context.velocity.y = state_context.game_settings.fighter_common.platform_pass_initial_downwards_velocity;
-        state_context.play_animation(AnimKind::PlatformPass, false);
-    }
-
-    fn on_exit(&mut self, state_context: &mut ExitContext) {
-        state_context.surface.clear_polygon_ignore(self.ignored_polygon);
-    }
-
-    fn update(&mut self, state_context: &mut UpdateContext) {
-        air::update_standard_motion(state_context, &mut self.airborne_state_common);
-    }
-
-    fn check_collision_interrupt(
-        &mut self,
-        state_context: &mut CollisionContext,
-    ) -> Option<FighterState> {
-        air::collision_interrupt(
-            state_context,
-            crate::fighter::state::land::LandingType::Normal,
-        )
-    }
-    
-    fn is_visually_grounded<'a>(
-        &'a self,
-    ) -> bool {
-        false
-    }
-
-    fn surface_policy(&self) -> super::SurfacePolicy {
-        super::SurfacePolicy::Airborne(crate::fighter::surface::EcbLockPolicy::StartOnDetach)
-    }
-}

src/fighter/surface.rs

@@ -1,6 +1,6 @@
 use bevy::prelude::*;
 
-use crate::stage::line::StageLineID;
+use crate::{stage::line::StageLineID};
 
 #[derive(Clone, Copy, Debug, Hash, PartialEq, Eq)]
 pub enum EcbLockPolicy {
@@ -15,17 +15,10 @@ pub enum EcbLockPolicy {
 /// This is physics state rather than fighter-state-machine state. Keeping it
 /// separate means grounded, landing, and hitstun states all share one source
 /// of truth for stage contact.
-#[derive(Clone, Debug, Hash, PartialEq, Eq)]
+#[derive(Component, Clone, Copy, Debug, Hash, PartialEq, Eq)]
-pub struct IgnoredPolygon {
-    pub polygon: usize,
-    pub frames_remaining: u32,
-}
-
-#[derive(Component, Clone, Debug, Hash, PartialEq, Eq)]
 pub enum FighterSurfaceState {
     Airborne {
-        ecb_lock_frames_remaining: u32,
+        ecb_lock_frames_remaining: u32
-        ignored_polys: Vec<IgnoredPolygon>,
     },
     Grounded {
         line_id: StageLineID,
@@ -35,21 +28,20 @@ pub enum FighterSurfaceState {
 impl Default for FighterSurfaceState {
     fn default() -> Self {
         Self::Airborne {
-            ecb_lock_frames_remaining: 0,
+            ecb_lock_frames_remaining: 0
-            ignored_polys: vec![],
         }
     }
 }
 
 impl FighterSurfaceState {
-    pub fn is_grounded(&self) -> bool {
+    pub fn is_grounded(self) -> bool {
         matches!(self, Self::Grounded { .. })
     }
 
-    pub fn line_id(&self) -> Option<StageLineID> {
+    pub fn line_id(self) -> Option<StageLineID> {
         match self {
             Self::Airborne { .. } => None,
-            Self::Grounded { line_id } => Some(*line_id),
+            Self::Grounded { line_id } => Some(line_id),
         }
     }
 
@@ -57,54 +49,13 @@ impl FighterSurfaceState {
         *self = Self::Grounded { line_id };
     }
 
-    pub fn clear_polygon_ignore(&mut self, polygon: usize) {
-        let Self::Airborne { ignored_polys, .. } = self else {
-            return;
-        };
-
-        ignored_polys.retain(|element| element.polygon != polygon);
-    }
-    
-    pub fn ignore_polygon(&mut self, polygon: usize, duration_frames: u32) {
-        let Self::Airborne { ignored_polys, .. } = self else {
-            return;
-        };
-
-        if duration_frames == 0 {
-            return;
-        }
-
-        if let Some(ignored) = ignored_polys.iter_mut().find(|ignored| ignored.polygon == polygon) {
-            ignored.frames_remaining = duration_frames;
-        } else {
-            ignored_polys.push(IgnoredPolygon {
-                polygon,
-                frames_remaining: duration_frames,
-            });
-        }
-    }
-
-    pub fn is_polygon_ignored(&self, polygon: usize) -> bool {
-        matches!(self, Self::Airborne { ignored_polys, .. }
-            if ignored_polys.iter().any(|ignored| ignored.polygon == polygon))
-    }
-
-    pub(crate) fn ignored_polygon_ids(&self) -> Vec<usize> {
-        match self {
-            Self::Airborne { ignored_polys, .. } => {
-                ignored_polys.iter().map(|ignored| ignored.polygon).collect()
-            }
-            Self::Grounded { .. } => vec![],
-        }
-    }
-
     pub(crate) fn apply_airborne_policy(
         &mut self,
         policy: EcbLockPolicy,
         ecb_lock_duration: u32,
     ) {
-        let current_lock = match self {
+        let current_lock = match *self {
-            Self::Airborne { ecb_lock_frames_remaining, .. } => *ecb_lock_frames_remaining,
+            Self::Airborne { ecb_lock_frames_remaining } => ecb_lock_frames_remaining,
             Self::Grounded { .. } => 0,
         };
         let ecb_lock_frames_remaining = match policy {
@@ -114,27 +65,14 @@ impl FighterSurfaceState {
             EcbLockPolicy::Preserve => current_lock,
             EcbLockPolicy::Clear => 0,
         };
-        let ignored_polys = match self {
+        *self = Self::Airborne { ecb_lock_frames_remaining };
-            Self::Airborne { ignored_polys, .. } => ignored_polys.clone(),
-            Self::Grounded { .. } => vec![],
-        };
-        *self = Self::Airborne { ecb_lock_frames_remaining, ignored_polys };
     }
 
     pub(crate) fn tick_ecb_lock(&mut self) {
-        if let Self::Airborne { ecb_lock_frames_remaining, .. } = self {
+        if let Self::Airborne { ecb_lock_frames_remaining } = self {
             *ecb_lock_frames_remaining = ecb_lock_frames_remaining.saturating_sub(1);
         }
     }
-
-    pub(crate) fn tick_ignored_polygons(&mut self) {
-        if let Self::Airborne { ignored_polys, .. } = self {
-            for ignored in ignored_polys.iter_mut() {
-                ignored.frames_remaining = ignored.frames_remaining.saturating_sub(1);
-            }
-            ignored_polys.retain(|ignored| ignored.frames_remaining > 0);
-        }
-    }
 }
 
 #[cfg(test)]
@@ -171,7 +109,6 @@ mod tests {
             surface,
             FighterSurfaceState::Airborne {
                 ecb_lock_frames_remaining: 4,
-                ignored_polys: vec![],
             }
         );
     }
@@ -187,41 +124,7 @@ mod tests {
             surface,
             FighterSurfaceState::Airborne {
                 ecb_lock_frames_remaining: 5,
-                ignored_polys: vec![],
             }
         );
     }
-
-    #[test]
-    fn ignored_polygon_expires_after_requested_frames() {
-        let mut surface = FighterSurfaceState::default();
-        surface.ignore_polygon(3, 2);
-
-        assert!(surface.is_polygon_ignored(3));
-        surface.tick_ignored_polygons();
-        assert!(surface.is_polygon_ignored(3));
-        surface.tick_ignored_polygons();
-        assert!(!surface.is_polygon_ignored(3));
-    }
-
-    #[test]
-    fn ignoring_polygon_refreshes_existing_entry() {
-        let mut surface = FighterSurfaceState::default();
-        surface.ignore_polygon(3, 2);
-        surface.ignore_polygon(3, 5);
-        surface.tick_ignored_polygons();
-        surface.tick_ignored_polygons();
-        assert!(surface.is_polygon_ignored(3));
-    }
-
-    #[test]
-    fn airborne_policy_preserves_ignored_polygons_and_landing_clears_them() {
-        let mut surface = FighterSurfaceState::default();
-        surface.ignore_polygon(3, 5);
-        surface.apply_airborne_policy(EcbLockPolicy::Restart, 2);
-        assert!(surface.is_polygon_ignored(3));
-
-        surface.land(StageLineID { polygon: 0, segment: 0 });
-        assert!(!surface.is_polygon_ignored(3));
-    }
 }

src/game_settings.rs

@@ -39,9 +39,7 @@ pub struct FighterSettingsCommon {
     
     /// Maximum angle changed caused by directional influence
     pub di_max_angle: FGi32,
-    pub leave_ground_ecb_frame_lock_duration: u32,
+    pub leave_ground_ecb_frame_lock_duration: u32
-    pub platform_pass_platform_ignore_duration_frames: u32,
-    pub platform_pass_initial_downwards_velocity: FGi32,
 }
 #[derive(Reflect, Serialize, Deserialize, Clone)]
 #[reflect(opaque)]

src/input/buffer.rs

@@ -233,8 +233,6 @@ pub fn postprocess_input(
             input.clear_command(FighterCommands::SmashMoveUp);
             input.clear_command(FighterCommands::SmashMoveDown);
 
-            input.frames_in_y_flick_deadzone = 0xFF;
-
             let command_to_set = if input.current_frame.movement.y > 0.0 {
                 FighterCommands::SmashMoveUp
             } else {

src/input/mod.rs

@@ -116,12 +116,13 @@ impl Plugin for FighterInputPlugin {
                     binding: GamepadBinding::Button(GamepadButton::North),
                     action: InputMapAction::Jump,
                 },
+                // shield/airdodge -- both shoulder buttons, Melee-style
                 GamepadInputMapElement {
-                    binding: GamepadBinding::Button(GamepadButton::LeftTrigger2),
+                    binding: GamepadBinding::Button(GamepadButton::LeftTrigger),
                     action: InputMapAction::Shield,
                 },
                 GamepadInputMapElement {
-                    binding: GamepadBinding::Button(GamepadButton::RightTrigger2),
+                    binding: GamepadBinding::Button(GamepadButton::RightTrigger),
                     action: InputMapAction::Shield,
                 },
                 // attack

src/stage/line.rs

@@ -34,7 +34,7 @@ pub struct StageLineID {
 
 #[derive(Reflect, Clone, Default)]
 pub struct StagePoly {
-    pub poly_type: StagePolyType,
+    poly_type: StagePolyType,
     pub segments: Vec<StagePolyLineSegment>,
 }