Function CallRegisteredLuaSaveFunctions

src/lua-engine.cpp:1390–1420

void CallRegisteredLuaSaveFunctions(int savestateNumber, LuaSaveData& saveData)
{
	//lua_State* L = FCEU_GetLuaState();
	if(L)
	{
		lua_settop(L, 0);
		lua_getfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_BEFORESAVE]);

		if (lua_isfunction(L, -1))
		{
			lua_pushinteger(L, savestateNumber);
			int ret = lua_pcall(L, 1, LUA_MULTRET, 0);
			if (ret != 0) {
				// This is grounds for trashing the function
				lua_pushnil(L);
				lua_setfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_BEFORESAVE]);
#ifdef __WIN_DRIVER__
				MessageBox(hAppWnd, lua_tostring(L, -1), "Lua Error in SAVE function", MB_OK);
#else
				LuaPrintfToWindowConsole("Lua error in registersave function: %s\n", lua_tostring(L, -1));
				fprintf(stderr, "Lua error in registersave function: %s\n", lua_tostring(L, -1));
#endif
			}
			saveData.SaveRecord(L, LUA_DATARECORDKEY);
		}
		else
		{
			lua_pop(L, 1);
		}
	}
}


void CallRegisteredLuaLoadFunctions(int savestateNumber, const LuaSaveData& saveData)