Differential D4741 Diff 20725 ps/trunk/source/ps/Mod.cpp

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ps/trunk/source/ps/Mod.cpp

	/* Copyright (C) 2021 Wildfire Games.			/* Copyright (C) 2022 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,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of			* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.			* GNU General Public License for more details.
	*			*
	* You should have received a copy of the GNU General Public License			* You should have received a copy of the GNU General Public License
	* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.			* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
	*/			*/

	#include "precompiled.h"			#include "precompiled.h"

	#include "ps/Mod.h"			#include "ps/Mod.h"

	#include "i18n/L10n.h"			#include "i18n/L10n.h"
	#include "lib/file/file_system.h"			#include "lib/file/file_system.h"
	#include "lib/file/vfs/vfs.h"			#include "lib/file/vfs/vfs.h"
				#include "lib/sysdep/os.h"
	#include "lib/utf8.h"			#include "lib/utf8.h"
	#include "ps/Filesystem.h"			#include "ps/Filesystem.h"
	#include "ps/GameSetup/GameSetup.h"			#include "ps/GameSetup/GameSetup.h"
	#include "ps/GameSetup/Paths.h"			#include "ps/GameSetup/Paths.h"
	#include "ps/Profiler2.h"			#include "ps/Profiler2.h"
	#include "scriptinterface/JSON.h"			#include "scriptinterface/JSON.h"
	#include "scriptinterface/Object.h"			#include "scriptinterface/Object.h"
	#include "scriptinterface/ScriptExceptions.h"			#include "scriptinterface/ScriptExceptions.h"
	#include "scriptinterface/ScriptInterface.h"			#include "scriptinterface/ScriptInterface.h"

	#include <algorithm>			#include <algorithm>
	#include <boost/algorithm/string/split.hpp>			#include <boost/algorithm/string/split.hpp>
	#include <boost/algorithm/string/classification.hpp>			#include <boost/algorithm/string/classification.hpp>
				#if OS_WIN
				#include <filesystem>
				#endif
	#include <fstream>			#include <fstream>
	#include <sstream>			#include <sstream>
	#include <unordered_map>			#include <unordered_map>

	namespace			namespace
	{			{
	/**			/**
	* Global instance of Mod, always exists.			* Global instance of Mod, always exists.
	*/			*/
	Mod g_ModInstance;			Mod g_ModInstance;

	bool LoadModJSON(const PIVFS& vfs, OsPath modsPath, OsPath mod, std::string& text)			bool LoadModJSON(const PIVFS& vfs, OsPath modsPath, OsPath mod, std::string& text)
	{			{
				#if OS_WIN
				const std::filesystem::path modJsonPath = (modsPath / mod / L"mod.json").fileSystemPath();
				#else
				const std::string modJsonPath = (modsPath / mod / L"mod.json").string8();
				#endif
	// Attempt to open mod.json first.			// Attempt to open mod.json first.
	std::ifstream modjson;			std::ifstream modjson(modJsonPath);
	modjson.open((modsPath / mod / L"mod.json").string8());			if (!modjson)

	if (!modjson.is_open())
	{			{
	modjson.close();			modjson.close();

	// Fallback: open the archive and read mod.json there.			// Fallback: open the archive and read mod.json there.
	// This can take in the hundreds of milliseconds with large mods.			// This can take in the hundreds of milliseconds with large mods.
	vfs->Clear();			vfs->Clear();
	if (vfs->Mount(L"", modsPath / mod / "", VFS_MOUNT_MUST_EXIST, VFS_MIN_PRIORITY) < 0)			if (vfs->Mount(L"", modsPath / mod / "", VFS_MOUNT_MUST_EXIST, VFS_MIN_PRIORITY) < 0)
	return false;			return false;

	CVFSFile modinfo;			CVFSFile modinfo;
	if (modinfo.Load(vfs, L"mod.json", false) != PSRETURN_OK)			if (modinfo.Load(vfs, L"mod.json", false) != PSRETURN_OK)
	return false;			return false;

	text = modinfo.GetAsString();			text = modinfo.GetAsString();

	// Attempt to write the mod.json file so we'll take the fast path next time.			// Attempt to write the mod.json file so we'll take the fast path next time.
	std::ofstream out_mod_json((modsPath / mod / L"mod.json").string8());			std::ofstream out_mod_json(modJsonPath);
	if (out_mod_json.good())			if (out_mod_json)
	{			{
	out_mod_json << text;			out_mod_json << text;
	out_mod_json.close();			out_mod_json.close();
	}			}
	else			else
	{			{
	// Print a warning - we'll keep trying, which could have adverse effects.			// Print a warning - we'll keep trying, which could have adverse effects.
	if (L10n::IsInitialised())			if (L10n::IsInitialised())
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