Method GameObjectPool

LuaSTGPlus/GameObjectPool.cpp:443–488

}

GameObjectPool::GameObjectPool(lua_State* pL)
    : L(pL)
{
    // ��ʼ��αͷ������
    memset(&m_pObjectListHeader, 0, sizeof(GameObject));
    memset(&m_pRenderListHeader, 0, sizeof(GameObject));
    memset(m_pCollisionListHeader, 0, sizeof(m_pCollisionListHeader));
    memset(&m_pObjectListTail, 0, sizeof(GameObject));
    memset(&m_pRenderListTail, 0, sizeof(GameObject));
    memset(m_pCollisionListTail, 0, sizeof(m_pCollisionListTail));
    m_pObjectListHeader.pObjectNext = &m_pObjectListTail;
    m_pObjectListHeader.uid = numeric_limits<uint64_t>::min();
    m_pObjectListTail.pObjectPrev = &m_pObjectListHeader;
    m_pObjectListTail.uid = numeric_limits<uint64_t>::max();
    m_pRenderListHeader.pRenderNext = &m_pRenderListTail;
    m_pRenderListHeader.uid = numeric_limits<uint64_t>::min();
    m_pRenderListHeader.layer = numeric_limits<lua_Number>::min();
    m_pRenderListTail.pRenderPrev = &m_pRenderListHeader;
    m_pRenderListTail.uid = numeric_limits<uint64_t>::max();
    m_pRenderListTail.layer = numeric_limits<lua_Number>::max();
    for (size_t i = 0; i < LGOBJ_GROUPCNT; ++i)
    {
        m_pCollisionListHeader[i].pCollisionNext = &m_pCollisionListTail[i];
        m_pCollisionListTail[i].pCollisionPrev = &m_pCollisionListHeader[i];
    }

    // ����һ��ȫ�ֱ����ڴ�����ж���
    lua_pushlightuserdata(L, (void*)&LAPP);  // p(ʹ��APPʵ��ָ���������Է�ֹ�û�����)
    lua_createtable(L, LGOBJ_MAXCNT, 0);  // p t(�����㹻���table���ڴ�����е���Ϸ������lua�еĶ�Ӧ����)

    // ȡ��lstg.GetAttr��lstg.SetAttr����Ԫ��
    lua_newtable(L);  // ... t
    lua_getglobal(L, "lstg");  // ... t t
    lua_pushstring(L, "GetAttr");  // ... t t s
    lua_gettable(L, -2);  // ... t t f(GetAttr)
    lua_pushstring(L, "SetAttr");  // ... t t f(GetAttr) s
    lua_gettable(L, -3);  // ... t t f(GetAttr) f(SetAttr)
    LASSERT(lua_iscfunction(L, -1) && lua_iscfunction(L, -2));
    lua_setfield(L, -4, "__newindex");  // ... t t f(GetAttr)
    lua_setfield(L, -3, "__index");  // ... t t
    lua_pop(L, 1);  // ... t(��������Ԫ��)
    
    // ����Ԫ���� register[app][mt]
    lua_setfield(L, -2, METATABLE_OBJ);  // p t
    lua_settable(L, LUA_REGISTRYINDEX);
}

GameObjectPool::~GameObjectPool()
{