59 lines
1.7 KiB
GDScript
59 lines
1.7 KiB
GDScript
class_name IconTextureProvider
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extends RefCounted
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# 物品/房屋图标资源缓存。
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#
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# 原 Egret 图标分散在 item_icon、icon、petIcon、plant、house 多个目录。
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# 这里统一按优先级查找并缓存 Texture2D，避免 UI 面板和 GameScene 重复 load。
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const ITEM_ICON_PATHS := [
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"res://assets/egret/item_icon/%s.png",
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"res://assets/egret/assets/icon/icon/%s.png",
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"res://assets/egret/assets/icon/petIcon/%s.png",
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"res://assets/egret/assets/icon/plant/%s.png",
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]
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const ITEM_FALLBACK_PATH := "res://assets/egret/item_icon/1010.png"
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const HOUSE_PATH := "res://assets/egret/assets/icon/house/%s.png"
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const HOUSE_FALLBACK_PATH := "res://assets/egret/assets/icon/house/1.png"
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var _cache: Dictionary = {}
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func item_icon(icon_id: int) -> Texture2D:
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var key := "item:%s" % icon_id
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if _cache.has(key):
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return _cache[key]
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var texture := _load_first_existing(_item_icon_candidates(icon_id), ITEM_FALLBACK_PATH)
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_cache[key] = texture
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return texture
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func house(level: int, max_level := 12) -> Texture2D:
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var farm_level := clampi(level, 1, max_level)
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var key := "house:%s" % farm_level
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if _cache.has(key):
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return _cache[key]
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var texture := _load_first_existing([HOUSE_PATH % farm_level], HOUSE_FALLBACK_PATH)
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_cache[key] = texture
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return texture
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func clear() -> void:
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_cache.clear()
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func _item_icon_candidates(icon_id: int) -> Array[String]:
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var paths: Array[String] = []
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for template in ITEM_ICON_PATHS:
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paths.append(template % icon_id)
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return paths
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func _load_first_existing(paths: Array[String], fallback_path: String) -> Texture2D:
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for path in paths:
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if ResourceLoader.exists(path):
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return load(path) as Texture2D
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if ResourceLoader.exists(fallback_path):
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return load(fallback_path) as Texture2D
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return null
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