pc_tiantian/core/luaScript/Tools/Effect/EffectCache.lua

local g_effectCache = nil;
local hited = 0;
local called = 0;
local missed = 0;


-- 根据路径创建一个光效出来
function createEffect(nodeFile)
	local effectNode = cc.StreamObject:loadFromFile(nodeFile);
	if effectNode == nil then
		print("创建光效失败，光效路径:" .. nodeFile);
	end
	
	return effectNode;
end

local createEffectImpl = createEffect;

local removeing = false;

-- 创建光效，并通过缓冲池来管理
local function createEffectWithCache(filename, noCache)
	if noCache then
		-- 不使用缓存则直接创建光效
		return createEffectImpl(filename);
	else
		called = called + 1;
		local effect = g_effectCache:pop(filename);
		if effect then
			if effect:getParent() then
				local parent = effect:getParent();
				print("父亲不为空" , effect:getName() , parent , parent:getName() , type(parent) , tolua.type(parent) , parent.ClassName);
				error("父亲不为空");
			end
			print("复用光效" , filename , effect:getName());
			return effect;
		end
		missed = missed + 1;

		local effect = createEffectImpl(filename);
		-- 调试代码
		--effect:setName(effect:getName() .. filename .. tostring(index));

		-- 覆盖函数，让他可以回到池中
		function effect:removeFromParent()
			-- 被回收的光效，有可能已经被销毁了，这时候不能回收
			-- 或者被多次回收，就不再回收
			if tolua.isnull(self) or removeing then
				return
			end
			g_effectCache:push(filename , self);
			removeing = true;
			self:stop();
			cc.Node.removeFromParent(self);
			removeing = false;
		end
		return effect;
	end
end

-- 启用光效池，这个光效池每10秒清空一次超过10秒没使用的缓冲光效
function startEffectCache()
	g_effectCache = cc.RefObjectCache:create();
	g_effectCache:start();
	createEffect = createEffectWithCache;
end

function clearEffectCache()
	if g_effectCache then
		g_effectCache:clear()
	end
end

function preloadEffectTemplate(effectFile)

end