Differential D3088 Diff 13890 ps/trunk/source/ps/scripting/JSInterface_SavedGame.cpp

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ps/trunk/source/ps/scripting/JSInterface_SavedGame.cpp

	/* Copyright (C) 2019 Wildfire Games.			/* Copyright (C) 2020 Wildfire Games.
	* This file is part of 0 A.D.			* This file is part of 0 A.D.
	*			*
	* 0 A.D. is free software: you can redistribute it and/or modify			* 0 A.D. is free software: you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by			* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation, either version 2 of the License, or			* the Free Software Foundation, either version 2 of the License, or
	* (at your option) any later version.			* (at your option) any later version.
	*			*
	* 0 A.D. is distributed in the hope that it will be useful,			* 0 A.D. is distributed in the hope that it will be useful,
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	}			}

	JS::Value JSI_SavedGame::StartSavedGame(ScriptInterface::CxPrivate* pCxPrivate, const std::wstring& name)			JS::Value JSI_SavedGame::StartSavedGame(ScriptInterface::CxPrivate* pCxPrivate, const std::wstring& name)
	{			{
	// We need to be careful with different compartments and contexts.			// We need to be careful with different compartments and contexts.
	// The GUI calls this function from the GUI context and expects the return value in the same context.			// The GUI calls this function from the GUI context and expects the return value in the same context.
	// The game we start from here creates another context and expects data in this context.			// The game we start from here creates another context and expects data in this context.

	JSContext* cxGui = pCxPrivate->pScriptInterface->GetContext();			ScriptInterface::Request rqGui(pCxPrivate);
	JSAutoRequest rq(cxGui);

	ENSURE(!g_NetServer);			ENSURE(!g_NetServer);
	ENSURE(!g_NetClient);			ENSURE(!g_NetClient);

	ENSURE(!g_Game);			ENSURE(!g_Game);

	// Load the saved game data from disk			// Load the saved game data from disk
	JS::RootedValue guiContextMetadata(cxGui);			JS::RootedValue guiContextMetadata(rqGui.cx);
	std::string savedState;			std::string savedState;
	Status err = SavedGames::Load(name, *(pCxPrivate->pScriptInterface), &guiContextMetadata, savedState);			Status err = SavedGames::Load(name, *(pCxPrivate->pScriptInterface), &guiContextMetadata, savedState);
	if (err < 0)			if (err < 0)
	return JS::UndefinedValue();			return JS::UndefinedValue();

	g_Game = new CGame(true);			g_Game = new CGame(true);

	{			{
	CSimulation2* sim = g_Game->GetSimulation2();			CSimulation2* sim = g_Game->GetSimulation2();
	JSContext* cxGame = sim->GetScriptInterface().GetContext();			ScriptInterface::Request rqGame(sim->GetScriptInterface());
	JSAutoRequest rq(cxGame);

	JS::RootedValue gameContextMetadata(cxGame,			JS::RootedValue gameContextMetadata(rqGame.cx,
	sim->GetScriptInterface().CloneValueFromOtherContext(*(pCxPrivate->pScriptInterface), guiContextMetadata));			sim->GetScriptInterface().CloneValueFromOtherContext(*(pCxPrivate->pScriptInterface), guiContextMetadata));
	JS::RootedValue gameInitAttributes(cxGame);			JS::RootedValue gameInitAttributes(rqGame.cx);
	sim->GetScriptInterface().GetProperty(gameContextMetadata, "initAttributes", &gameInitAttributes);			sim->GetScriptInterface().GetProperty(gameContextMetadata, "initAttributes", &gameInitAttributes);

	int playerID;			int playerID;
	sim->GetScriptInterface().GetProperty(gameContextMetadata, "playerID", playerID);			sim->GetScriptInterface().GetProperty(gameContextMetadata, "playerID", playerID);

	g_Game->SetPlayerID(playerID);			g_Game->SetPlayerID(playerID);
	g_Game->StartGame(&gameInitAttributes, savedState);			g_Game->StartGame(&gameInitAttributes, savedState);
	}			}
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