feat(组件管理): 重构组件加载逻辑并添加优先级函数

重构ComponentManager的get方法，使用MathTool.priority函数实现资源加载的优先级逻辑
将Wave类中的entity类型从PackedScene改为String，延迟加载角色资源
添加MathTool.priority静态方法用于处理空值情况

scripts/Contents/Wave.gd

@@ -1,6 +1,6 @@
 class_name Wave
 
-var entity: PackedScene
+var entity: String
 var minCount: int = 1
 var maxCount: int = 1
 var isBoss: bool = false
@@ -10,18 +10,18 @@ var per: int = 0
 
 static var current: int = 0
 static var WAVE_NORMAL = [
-	Wave.create(ComponentManager.getCharacter("Hen"), 1, 5, false, 0, INF, 1),
-	Wave.create(ComponentManager.getCharacter("Chick"), 0, 0, true, 9, INF, 15),
-	Wave.create(ComponentManager.getCharacter("Bear"), 0, 0, true, 19, INF, 10),
-	Wave.create(ComponentManager.getCharacter("KukeMC"), 0, 0, true, 14, INF, 20),
+	Wave.create("Hen", 1, 5, false, 0, INF, 1),
+	Wave.create("Chick", 0, 0, true, 9, INF, 15),
+	Wave.create("Bear", 0, 0, true, 19, INF, 10),
+	Wave.create("KukeMC", 0, 0, true, 14, INF, 20),
 ]
 static var WAVE_TESTBOSS_ALL = [
-	Wave.create(ComponentManager.getCharacter("Chick"), 0, 0, true, 0, INF, 10),
-	Wave.create(ComponentManager.getCharacter("KukeMC"), 0, 0, true, 1, INF, 10),
-	Wave.create(ComponentManager.getCharacter("Bear"), 0, 0, true, 2, INF, 10),
+	Wave.create("Chick", 0, 0, true, 0, INF, 10),
+	Wave.create("KukeMC", 0, 0, true, 1, INF, 10),
+	Wave.create("Bear", 0, 0, true, 2, INF, 10),
 ]
 static var WAVE_TESTBOSS_KUKE = [
-	Wave.create(ComponentManager.getCharacter("KukeMC"), 0, 0, true, 0, INF, 10),
+	Wave.create("KukeMC", 0, 0, true, 0, INF, 10),
 ]
 static var WAVE_EMPTY = []
 static var data = WAVE_NORMAL
@@ -33,7 +33,7 @@ static func customStart():
 		furryr.currentFocusedBoss = kukemc
 		kukemc.currentFocusedBoss = furryr
 static func create(
-		entity_: PackedScene,
+		entity_: String,
 		minCount_: int = 1,
 		maxCount_: int = 1,
 		isBoss_: bool = false,
@@ -61,7 +61,7 @@ static func spawn():
 	for i in range(len(data)):
 		var wave = data[i]
 		for j in range(entityCountOf(wave)):
-			EntityBase.generate(wave.entity, MathTool.randv2_range(500), true, wave.isBoss)
+			EntityBase.generate(ComponentManager.getCharacter(wave.entity), MathTool.randv2_range(500), true, wave.isBoss)
 static func next():
 	if current == 0:
 		customStart()

scripts/Tools/Managers/ComponentManager.gd

@@ -28,17 +28,19 @@ static func init():
 		themes[DirTool.getBasenameWithoutExtension(i)] = load(i)
 	for i in DirTool.listdir("res://resources/items"):
 		itemTextures[DirTool.getBasenameWithoutExtension(i)] = load(i)
-static func getBullet(t: String):
-	return bullets[t]
-static func getCharacter(t: String):
-	return characters[t]
-static func getEffect(t: String):
-	return effects[t]
-static func getFeed(i: int):
-	return feeds[i]
-static func getUIComponent(t: String):
-	return uiComponents[t]
-static func getTheme(t: String):
-	return themes[t]
-static func getItemTexture(t: String):
-	return itemTextures[t]
+static func getBullet(t: String) -> PackedScene:
+	return MathTool.priority(bullets.get(t, false), load("res://components/Bullets/%s.tscn" % t))
+static func getCharacter(t: String) -> PackedScene:
+	return MathTool.priority(characters.get(t, false), load("res://components/Characters/%s.tscn" % t))
+static func getEffect(t: String) -> PackedScene:
+	return MathTool.priority(effects.get(t, false), load("res://components/Effects/%s.tscn" % t))
+static func getFeed(i: int) -> PackedScene:
+	if i >= 0 and i < feeds.size():
+		return feeds[i]
+	return null
+static func getUIComponent(t: String) -> PackedScene:
+	return MathTool.priority(uiComponents.get(t, false), load("res://components/UI/%s.tscn" % t))
+static func getTheme(t: String) -> Theme:
+	return MathTool.priority(themes.get(t, false), load("res://themes/%s.tscn" % t))
+static func getItemTexture(t: String) -> Texture2D:
+	return MathTool.priority(itemTextures.get(t, false), load("res://resources/items/%s.svg" % t))

scripts/Tools/MathTool.gd

@@ -34,3 +34,5 @@ static func getClosestIntersection(a: Vector2, b: Vector2, r: float) -> Vector2:
 		return b
 	var intersection = a + abNormalized * r
 	return intersection
+static func priority(a, b):
+	return a if a else b