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path: root/src/libjin-lua/modules/time/l_timer.cpp
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#include "common/l_callback.h"
#include "common/l_common.h"
#include "l_timer.h"

using namespace JinEngine::Time;

namespace JinEngine
{
    namespace Lua
    {

        const char* Jin_Lua_Timer = "Timer";

        const char* Jin_Lua_Handler = "Handler";

        static Timer::TimerCallback timerCallback = [](void* data)->void 
        {                           
            LuaCallback* func = static_cast<LuaCallback*>(data); 
            func->call();                                
        };

        static Timer::FinishCallback finishCallback = [](void* data)->void 
        {                          
            LuaCallback* func = static_cast<LuaCallback*>(data); 
            delete func;                                 
        };

        LUA_IMPLEMENT inline Timer* checkTimer(lua_State* L)
        {
            LuaObject* luaObj = (LuaObject*)luax_checktype(L, 1, Jin_Lua_Timer);
            return luaObj->getObject<Timer>();
        }

        // timer:every(time, callback, parameter)
        LUA_IMPLEMENT int l_every(lua_State* L)
        {
            int n = luax_gettop(L);
            Timer* shared = checkTimer(L);
            float s = luax_checknumber(L, 2);
            LuaCallback* func = new LuaCallback(L);
            func->setFunc(3);
            for(int i = 4; i <= n; ++i)
                func->pushParam(i);
            Timer::Handler* handler = shared->every(s, timerCallback, func, finishCallback);
            Shared* shrHandler = new Shared(handler);
            LuaObject* luaObj = luax_newinstance(L, Jin_Lua_Handler, shrHandler);
            return 1;
        }

        // timer:after(time, callback, parameter)
        LUA_IMPLEMENT int l_after(lua_State* L)
        {
            int n = luax_gettop(L);
            Timer* shared = checkTimer(L);
            float s = luax_checknumber(L, 2);
            LuaCallback* func = new LuaCallback(L);
            func->setFunc(3);
            for (int i = 4; i <= n; ++i)
                func->pushParam(i);
            Timer::Handler* handler = shared->after(s, timerCallback, func, finishCallback);
            Shared* shrHandler = new Shared(handler);
            LuaObject* luaObj = luax_newinstance(L, Jin_Lua_Handler, shrHandler);
            return 1;
        }

        // timer:repeat(time, callback, parameter)
        LUA_IMPLEMENT int l_repeat(lua_State* L)
        {
            int n = luax_gettop(L);
            Timer* shared = checkTimer(L);
            float s = luax_checknumber(L, 2);
            int count = luax_checkinteger(L, 3);
            LuaCallback* func = new LuaCallback(L);
            func->setFunc(4);
            for (int i = 5; i <= n; ++i)
                func->pushParam(i);
            Timer::Handler* handler = shared->repeat(s, count, timerCallback, func, finishCallback);
            Shared* shrHandler = new Shared(handler);
            LuaObject* luaObj = luax_newinstance(L, Jin_Lua_Handler, shrHandler);
            return 1;
        }

        LUA_IMPLEMENT int l_update(lua_State* L)
        {
            Timer* shared = checkTimer(L);
            float s = luax_checknumber(L, 2);
            shared->update(s);
            return 0;
        }

        LUA_IMPLEMENT int l_cancel(lua_State* L)
        {
            LuaObject* p = (LuaObject*)luax_checktype(L, 1, Jin_Lua_Timer);
            Timer* timer = p->getObject<Timer>();
            LuaObject* ph = (LuaObject*)luax_checktype(L, 2, Jin_Lua_Handler);
            Timer::Handler* handler = ph->getObject<Timer::Handler>();
            timer->cancel(handler);
            return 0;
        }

        LUA_IMPLEMENT int l_cancelAll(lua_State* L)
        {
            LuaObject* p = (LuaObject*)luax_checktype(L, 1, Jin_Lua_Timer);
            Timer* timer = p->getObject<Timer>();
            timer->cancelAll();
            return 0;
        }

        LUA_IMPLEMENT int l_gc(lua_State* L)
        {
            LuaObject* p = (LuaObject*)luax_checktype(L, 1, Jin_Lua_Timer);
            p->release();
            return 0;
        }

        LUA_EXPORT void luaopen_Timer(lua_State* L)
        {
            luaL_Reg methods[] = {
                { "__gc",      l_gc        },
                { "every",     l_every     },
                { "after",     l_after     },
                { "duplicate", l_repeat    },
                { "update",    l_update    },
                { "cancel",    l_cancel    },
                { "cancelAll", l_cancelAll },
                { 0,           0           }
            };
            luax_newtype(L, Jin_Lua_Timer, methods);
        }

    }
}