Make dashback configurable, fix movement bugs, add double jump forward and back.

src/fighter/state/land.rs

@@ -11,14 +11,21 @@ use crate::fighter::{
     },
 };
 
+#[derive(Debug, Clone, Hash)]
+pub enum LandingType {
+    Normal,
+    Special
+}
+
 #[derive(Debug, Clone, Hash)]
 pub struct LandingState {
     pub grounded_common: GroundedStateCommon,
+    pub landing_type: LandingType,
 }
 
 impl LandingState {
-    pub fn create(grounded_common: GroundedStateCommon) -> Self {
-        Self { grounded_common }
+    pub fn create(grounded_common: GroundedStateCommon, landing_type: LandingType) -> Self {
+        Self { grounded_common, landing_type }
     }
 }
 
@@ -29,7 +36,7 @@ impl FighterStateImpl for LandingState {
         if state_context.is_current_animation_finished() {
             grounded_movement_standstill_common_interrupts(state_context, &self.grounded_common)
         } else if state_context.get_current_animation_frame()
-            >= state_context.fighter_manifest.attributes.landing_iasa
+            >= state_context.fighter_manifest.attributes.landing_iasa && let LandingType::Normal = self.landing_type
         {
             dash::check_input(state_context, &self.grounded_common).or_else(|| {
                 ground::grounded_movement_common_interrupts(state_context, &self.grounded_common)
@@ -69,7 +76,7 @@ impl FighterStateImpl for LandingState {
         state_context: &mut FighterStateContext,
     ) -> Option<FighterState> {
         if let GroundedMotionResult::InAir =
-            ground::collide_with_stage_grounded(state_context, &mut self.grounded_common, false)
+            ground::collide_with_stage_grounded(state_context, &mut self.grounded_common, true)
         {
             Some(FighterState::Fall(FallState))
         } else {
@@ -78,6 +85,13 @@ impl FighterStateImpl for LandingState {
     }
 
     fn on_enter(&mut self, state_context: &mut FighterStateContext) {
-        state_context.play_animation(AnimKind::Landing, false);
+        match self.landing_type {
+            LandingType::Normal => {
+                state_context.play_animation(AnimKind::Landing, false);
+            },
+            LandingType::Special => {
+                state_context.play_animation(AnimKind::LandingSpecial, false);
+            },
+        };
     }
 }