Added enemy animations

game/characters/abstract_enemy.gd

@@ -2,4 +2,149 @@ class_name AbstractEnemy
 extends CharacterBody2D
 
 
+const ANIMATION_FALL_DOWN = "fall_down"
+const ANIMATION_FALL_DOWN_LEFT = "fall_down_left"
+const ANIMATION_FALL_DOWN_RIGHT = "fall_down_right"
+const ANIMATION_FALL_UP = "fall_up"
+const ANIMATION_FALL_UP_LEFT = "fall_up_left"
+const ANIMATION_FALL_UP_RIGHT = "fall_up_right"
+const ANIMATION_IDLE_FRONT = "idle_front"
+const ANIMATION_IDLE_REAR = "idle_rear"
+const ANIMATION_LOOK_AROUND_FRONT_1 = "look_around_front_1"
+const ANIMATION_LOOK_AROUND_FRONT_2 = "look_around_front_2"
+const ANIMATION_LOOK_AROUND_REAR_1 = "look_around_rear_1"
+const ANIMATION_LOOK_AROUND_REAR_2 = "look_around_rear_2"
+const ANIMATION_WALK_LEFT = "walk_left"
+const ANIMATION_WALK_RIGHT = "walk_right"
+
+const LOOK_AROUND_FRONT_ANIMATIONS = [
+	ANIMATION_LOOK_AROUND_FRONT_1,
+	ANIMATION_LOOK_AROUND_FRONT_2,
+]
+const LOOK_AROUND_REAR_ANIMATIONS = [
+	ANIMATION_LOOK_AROUND_REAR_1,
+	ANIMATION_LOOK_AROUND_REAR_2,
+]
+
+const MAX_SPEED = 165
+const ACCELERATION = 600.0
+const LOOK_AROUND_CHANCE = 25
+
+
+enum Type {
+	Front,
+	Rear,
+}
+
+
+enum State {
+	Idle,
+	LookAround,
+	Chasing,
+}
+
+
+@export var type : Type = Type.Front
+@export var state : State = State.Idle
+
+
+var _target_x := 0.0
+
+
 @onready var sprite : AnimatedSprite2D = $AnimatedSprite2D
+
+
+func _physics_process(delta: float) -> void:
+	if not is_on_floor():
+		velocity += get_gravity() * delta
+	
+	if state == State.Chasing:
+		if is_equal_approx(position.x, _target_x):
+			state = State.LookAround
+		else:
+			var direction := signf(_target_x - position.x)
+			velocity.x = move_toward(velocity.x, direction * MAX_SPEED, ACCELERATION * delta)
+	
+	_update_animation()
+	
+	move_and_slide()
+
+
+func _update_animation() -> void:
+	if is_zero_approx(velocity.y):
+		match state:
+			State.Idle:
+				_play_idle_animation()
+			State.LookAround:
+				_play_look_around_animation()
+			State.Chasing:
+				_play_chasing_animation_animation()
+	else:
+		_play_fall_animation()
+
+
+func _play_idle_animation() -> void:
+	match type:
+		Type.Front:
+			_play_animation(ANIMATION_IDLE_FRONT)
+		Type.Rear:
+			_play_animation(ANIMATION_IDLE_REAR)
+
+
+func _play_look_around_animation() -> void:
+	if _is_current_animation_look_around: return
+	
+	match type:
+		Type.Front:
+			var animation := _get_random_animation(LOOK_AROUND_FRONT_ANIMATIONS)
+			_play_animation(animation)
+		Type.Rear:
+			var animation := _get_random_animation(LOOK_AROUND_REAR_ANIMATIONS)
+			_play_animation(animation)
+
+
+func _play_chasing_animation_animation() -> void:
+	if is_zero_approx(velocity.x):
+		pass
+	elif velocity.x < 0:
+		_play_animation(ANIMATION_WALK_LEFT)
+	else:
+		_play_animation(ANIMATION_WALK_RIGHT)
+
+
+func _play_fall_animation() -> void:
+	if is_zero_approx(velocity.x):
+		var animation := ANIMATION_FALL_UP if velocity.y < 0 else ANIMATION_FALL_DOWN
+		_play_animation(animation)
+	elif velocity.x < 0:
+		var animation := ANIMATION_FALL_UP_LEFT if velocity.y < 0 else ANIMATION_FALL_DOWN_LEFT
+		_play_animation(animation)
+	else:
+		var animation := ANIMATION_FALL_UP_RIGHT if velocity.y < 0 else ANIMATION_FALL_DOWN_RIGHT
+		_play_animation(animation)
+
+
+func _is_current_animation_look_around() -> bool:
+	if not sprite.is_playing(): return false
+	if sprite.animation in LOOK_AROUND_FRONT_ANIMATIONS: return true
+	if sprite.animation in LOOK_AROUND_REAR_ANIMATIONS: return true
+	return false
+
+
+func _get_random_animation(animations: Array[String]) -> String:
+	var index := randi_range(0, animations.size() - 1)
+	return animations[index]
+
+
+func _play_animation(animation: String) -> void:
+	if not sprite.is_playing() or sprite.animation != animation:
+		sprite.play(animation)
+
+
+func _on_animation_finished() -> void:
+	state = State.Idle
+
+
+func _on_animation_looped() -> void:
+	if state == State.Idle and randi_range(1, 100) <= LOOK_AROUND_CHANCE:
+		state = State.LookAround

game/characters/abstract_enemy.tscn

@@ -369,3 +369,6 @@ animation = &"idle_front"
 [node name="CollisionShape2D" type="CollisionShape2D" parent="."]
 position = Vector2(0, 2)
 shape = SubResource("CapsuleShape2D_mocsw")
+
+[connection signal="animation_finished" from="AnimatedSprite2D" to="." method="_on_animation_finished"]
+[connection signal="animation_looped" from="AnimatedSprite2D" to="." method="_on_animation_looped"]

game/characters/player.tscn

@@ -403,7 +403,7 @@ animations = [{
 radius = 4.0
 
 [node name="Player" type="CharacterBody2D"]
-collision_layer = 129
+collision_layer = 128
 collision_mask = 113
 script = ExtResource("1_xln5q")
 

game/doors/door.gd

@@ -45,7 +45,7 @@ func _open() -> void:
 
 func _close() -> void:
 	sprite.play(ANIMATION_CLOSING)
-	static_body.process_mode = Node.PROCESS_MODE_DISABLED
+	static_body.process_mode = Node.PROCESS_MODE_INHERIT
 
 
 func _on_animation_finished() -> void:

game/doors/door.tscn

@@ -111,7 +111,7 @@ shape = SubResource("RectangleShape2D_u7b5a")
 [node name="AnimatedSprite2D" type="AnimatedSprite2D" parent="."]
 material = ExtResource("1_xelsh")
 sprite_frames = SubResource("SpriteFrames_r8rhb")
-animation = &"closing"
+animation = &"closed"
 
 [connection signal="body_entered" from="Area2D" to="." method="_on_area_entered"]
 [connection signal="body_exited" from="Area2D" to="." method="_on_area_exited"]