关于VX脚本里的Cache问题 - Project1

#==============================================================================
# ■ Cache
#------------------------------------------------------------------------------
# 　读取各种图象、生成保存位图对象的模块。为了获得更快的读取速度与节约内存的需要,
#已经生成的位图对象将被保存至内部缓存中,在再次请求同一位图时直接返回缓存中已经有
#的对象。
#==============================================================================
module Cache
#--------------------------------------------------------------------------
# ● 获取动画图片
# filename : 文件名
# hue : 色相变化值
#--------------------------------------------------------------------------
def self.animation(filename, hue)
load_bitmap("Graphics/Animations/", filename, hue)
end
#--------------------------------------------------------------------------
# ● 获取战斗图片
# filename : 文件名
# hue : 色相变化值
#--------------------------------------------------------------------------
def self.battler(filename, hue)
load_bitmap("Graphics/Battlers/", filename, hue)
end
#--------------------------------------------------------------------------
# ● 获取步行图片
# filename : 文件名
#--------------------------------------------------------------------------
def self.character(filename)
load_bitmap("Graphics/Characters/", filename)
end
#--------------------------------------------------------------------------
# ● 获取脸谱
# filename : 文件名
#--------------------------------------------------------------------------
def self.face(filename)
load_bitmap("Graphics/Faces/", filename)
end
#--------------------------------------------------------------------------
# ● 获取远景图片
# filename : 文件名
#--------------------------------------------------------------------------
def self.parallax(filename)
load_bitmap("Graphics/Parallaxes/", filename)
end
#--------------------------------------------------------------------------
# ● 获取图片
# filename : 文件名
#--------------------------------------------------------------------------
def self.picture(filename)
load_bitmap("Graphics/Pictures/", filename)
end
#--------------------------------------------------------------------------
# ● 获取系统图片
# filename : 文件名
#--------------------------------------------------------------------------
def self.system(filename)
load_bitmap("Graphics/System/", filename)
end
#--------------------------------------------------------------------------
# ● 清除缓存
#--------------------------------------------------------------------------
def self.clear
@cache = {} if @cache == nil
@cache.clear
GC.start
end
#--------------------------------------------------------------------------
# ● 读取位图
#--------------------------------------------------------------------------
def self.load_bitmap(folder_name, filename, hue = 0)
@cache = {} if @cache == nil
path = folder_name + filename
if not @cache.include?(path) or @cache[path].disposed?
if filename.empty?
@cache[path] = Bitmap.new(32, 32)
else
@cache[path] = Bitmap.new(path)
end
end
if hue == 0
return @cache[path]
else
key = [path, hue]
if not @cache.include?(key) or @cache[key].disposed?
@cache[key] = @cache[path].clone
@cache[key].hue_change(hue)
end
return @cache[key]
end
end
end

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