Travel events

Author: bladekt

common/src/main/java/com/lambda/mixin/entity/LivingEntityMixin.java

@@ -45,6 +45,22 @@ void onJump(CallbackInfo ci) {
         self.velocityDirty = true;
     }
 
+    @Inject(method = "travel", at = @At("HEAD"), cancellable = true)
+    void onTravelPre(Vec3d movementInput, CallbackInfo ci) {
+        LivingEntity self = (LivingEntity) (Object) this;
+        if (self != Lambda.getMc().player) return;
+
+        if (EventFlow.post(new MovementEvent.Travel.Pre()).isCanceled()) ci.cancel();
+    }
+
+    @Inject(method = "travel", at = @At("TAIL"))
+    void onTravelPost(Vec3d movementInput, CallbackInfo ci) {
+        LivingEntity self = (LivingEntity) (Object) this;
+        if (self != Lambda.getMc().player) return;
+
+        EventFlow.post(new MovementEvent.Travel.Post());
+    }
+
     @Redirect(method = "travel", at = @At(value = "INVOKE", target = "Lnet/minecraft/entity/LivingEntity;getPitch()F"))
     private float hookModifyFallFlyingPitch(LivingEntity entity) {
         Float pitch = RotationManager.getMovementPitch();

common/src/main/kotlin/com/lambda/event/events/MovementEvent.kt

@@ -9,6 +9,11 @@ abstract class MovementEvent : Event {
     class Pre : MovementEvent()
     class Post : MovementEvent()
 
+    abstract class Travel : MovementEvent() {
+        class Pre : MovementEvent(), ICancellable by Cancellable()
+        class Post : MovementEvent()
+    }
+
     class InputUpdate(
         val input: Input,
         var slowDown: Boolean,