private void pushNewObject(IntPtr luaState, object o, int index, string metatable)
{
LuaAPI.ulua_rawgeti(luaState, LuaAPI.LUA_REGISTRYINDEX, weakTableRef);
LuaAPI.luanet_newudata(luaState, index);
if (metatable == "luaNet_metatable")
{
Type t = o.GetType();
PushMetaTable(luaState, o.GetType());
if (LuaAPI.lua_isnil(luaState, -1))
{
string meta = t.AssemblyQualifiedName;
Debugger.LogWarning("Create not wrap ulua type:" + meta);
LuaAPI.lua_settop(luaState, -2);
LuaAPI.luaL_newmetatable(luaState, meta);
LuaAPI.lua_pushstring(luaState, "cache");
LuaAPI.lua_newtable(luaState);
LuaAPI.lua_rawset(luaState, -3);
LuaAPI.lua_pushlightuserdata(luaState, LuaAPI.luanet_gettag());
LuaAPI.lua_pushnumber(luaState, 1);
LuaAPI.lua_rawset(luaState, -3);
LuaAPI.lua_pushstring(luaState, "__index");
LuaAPI.lua_pushstring(luaState, "luaNet_indexfunction");
LuaAPI.lua_rawget(luaState, LuaAPI.LUA_REGISTRYINDEX);
LuaAPI.lua_rawset(luaState, -3);
LuaAPI.lua_pushstring(luaState, "__gc");
LuaAPI.lua_pushstdcallcfunction(luaState, metaFunctions.gcFunction);
LuaAPI.lua_rawset(luaState, -3);
LuaAPI.lua_pushstring(luaState, "__tostring");
LuaAPI.lua_pushstdcallcfunction(luaState, metaFunctions.toStringFunction);
LuaAPI.lua_rawset(luaState, -3);
LuaAPI.lua_pushstring(luaState, "__newindex");
LuaAPI.lua_pushstdcallcfunction(luaState, metaFunctions.newindexFunction);
LuaAPI.lua_rawset(luaState, -3);
}
}
else
{
LuaAPI.luaL_getmetatable(luaState, metatable);
}
LuaAPI.lua_setmetatable(luaState, -2);
LuaAPI.lua_pushvalue(luaState, -1);
LuaAPI.ulua_rawseti(luaState, -3, index);
LuaAPI.lua_remove(luaState, -2);
}
static void PushMetaTable(IntPtr L, Type t)
{
int reference = -1;
if (!typeMetaMap.TryGetValue(t, out reference))
{
LuaAPI.luaL_getmetatable(L, t.AssemblyQualifiedName);
if (!LuaAPI.lua_isnil(L, -1))
{
LuaAPI.lua_pushvalue(L, -1);
reference = LuaAPI.luaL_ref(L, LuaAPI.LUA_REGISTRYINDEX);
typeMetaMap.Add(t, reference);
}
}
else
{
LuaAPI.ulua_rawgeti(L, LuaAPI.LUA_REGISTRYINDEX, reference);
}
}
