extends Node2D
class_name CharacterSprite
## 程序化角色精灵
## 在没有实际精灵图时使用，可以轻松替换为真实精灵

# 角色颜色
var body_color: Color = Color(0.4, 0.6, 0.8)  # 身体颜色
var head_color: Color = Color(0.9, 0.8, 0.7)  # 头部颜色

# 角色尺寸
const BODY_WIDTH = 32
const BODY_HEIGHT = 48
const HEAD_SIZE = 24

# 节点引用
var body: ColorRect
var head: ColorRect
var eyes: Node2D

func _ready():
	_create_character()

## 创建角色视觉
func _create_character():
	"""程序化创建角色外观"""
	# 身体
	body = ColorRect.new()
	body.size = Vector2(BODY_WIDTH, BODY_HEIGHT)
	body.position = Vector2(-BODY_WIDTH / 2.0, -BODY_HEIGHT)
	body.color = body_color
	add_child(body)
	
	# 头部
	head = ColorRect.new()
	head.size = Vector2(HEAD_SIZE, HEAD_SIZE)
	head.position = Vector2(-HEAD_SIZE / 2.0, -BODY_HEIGHT - HEAD_SIZE)
	head.color = head_color
	add_child(head)
	
	# 眼睛
	eyes = Node2D.new()
	eyes.position = Vector2(0, -BODY_HEIGHT - HEAD_SIZE / 2.0)
	add_child(eyes)
	
	# 左眼
	var left_eye = ColorRect.new()
	left_eye.size = Vector2(4, 4)
	left_eye.position = Vector2(-8, -2)
	left_eye.color = Color.BLACK
	eyes.add_child(left_eye)
	
	# 右眼
	var right_eye = ColorRect.new()
	right_eye.size = Vector2(4, 4)
	right_eye.position = Vector2(4, -2)
	right_eye.color = Color.BLACK
	eyes.add_child(right_eye)

## 设置角色颜色
func set_character_color(new_body_color: Color, new_head_color: Color = Color(0.9, 0.8, 0.7)):
	"""
	设置角色颜色
	@param new_body_color: 身体颜色
	@param new_head_color: 头部颜色
	"""
	body_color = new_body_color
	head_color = new_head_color
	
	if body:
		body.color = body_color
	if head:
		head.color = head_color

## 播放行走动画
func play_walk_animation(direction: Vector2):
	"""
	播放行走动画（简单的摇摆效果）
	@param direction: 移动方向
	"""
	if direction.length() > 0:
		# 简单的左右摇摆
		var tween = create_tween()
		tween.set_loops()
		tween.tween_property(self, "rotation", 0.1, 0.3)
		tween.tween_property(self, "rotation", -0.1, 0.3)
	else:
		# 停止动画
		rotation = 0

## 播放空闲动画
func play_idle_animation():
	"""播放空闲动画（轻微上下浮动）"""
	var tween = create_tween()
	tween.set_loops()
	tween.tween_property(self, "position:y", -2, 1.0)
	tween.tween_property(self, "position:y", 0, 1.0)

## 生成随机角色颜色
static func generate_random_color() -> Color:
	"""生成随机但好看的角色颜色"""
	var hue = randf()
	var saturation = randf_range(0.4, 0.8)
	var value = randf_range(0.6, 0.9)
	return Color.from_hsv(hue, saturation, value)