usbloadergx/source/settings/CGameSettings.cpp

/****************************************************************************
 * Copyright (C) 2010
 * by Dimok
 *
 * This software is provided 'as-is', without any express or implied
 * warranty. In no event will the authors be held liable for any
 * damages arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any
 * purpose, including commercial applications, and to alter it and
 * redistribute it freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you
 * must not claim that you wrote the original software. If you use
 * this software in a product, an acknowledgment in the product
 * documentation would be appreciated but is not required.
 *
 * 2. Altered source versions must be plainly marked as such, and
 * must not be misrepresented as being the original software.
 *
 * 3. This notice may not be removed or altered from any source
 * distribution.
 ***************************************************************************/
#include <ogcsys.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "CSettings.h"
#include "CGameSettings.h"
#include "FileOperations/fileops.h"
#include "svnrev.h"

#define VALID_CONFIG_REV	1031

CGameSettings GameSettings;

CGameSettings::CGameSettings()
{
	SetDefault(DefaultConfig);
}

CGameSettings::~CGameSettings()
{
}

GameCFG * CGameSettings::GetGameCFG(const char * id)
{
	if(!id)
	{
		DefaultConfig.id[0] = '\0';
		return &DefaultConfig;
	}

	for(u32 i = 0; i < GameList.size(); ++i)
	{
		if(strncasecmp(id, GameList[i].id, 6) == 0)
			return &GameList[i];
	}

	memcpy(DefaultConfig.id, id, 6);

	return &DefaultConfig;
}

bool CGameSettings::AddGame(const GameCFG & NewGame)
{
	for(u32 i = 0; i < GameList.size(); ++i)
	{
		if(strncasecmp(NewGame.id, GameList[i].id, 6) == 0)
		{
			GameList[i] = NewGame;
			return true;
		}
	}

	GameList.push_back(NewGame);

	return true;
}

bool CGameSettings::RemoveAll()
{
	GameList.clear();
	std::vector<GameCFG>().swap(GameList);

	return Save();
}

bool CGameSettings::Remove(const char * id)
{
	if(!id)
		return false;

	for(u32 i = 0; i < GameList.size(); ++i)
	{
		if(strncasecmp(id, GameList[i].id, 6) == 0)
		{
			GameList.erase(GameList.begin()+i);
			break;
		}
	}

	return true;
}

bool CGameSettings::Load(const char * path)
{
	char filepath[300];
	snprintf(filepath, sizeof(filepath), "%sGXGameSettings.cfg", path);

	ConfigPath = filepath;

	FILE *file = fopen(filepath, "r");
	if (!file) return false;

	if(!ValidVersion(file))
	{
		fclose(file);
		return false;
	}

	const int lineSize = 20*1024;

	char *line = new (std::nothrow) char[lineSize];
	if(!line) {
		fclose(file);
		return false;
	}

	while (fgets(line, lineSize, file))
	{
		if (line[0] == '#')
			continue;

		this->ParseLine(line);
	}

	delete [] line;

	fclose(file);

	return true;
}

bool CGameSettings::ValidVersion(FILE * file)
{
	if(!file) return false;

	char line[255];
	int revision = 0;

	while (fgets(line, sizeof(line), file))
	{
		const char * ptr = strcasestr(line, "USB Loader GX R");
		if(ptr)
		{
			ptr += strlen("USB Loader GX R");
			revision = atoi(ptr);
			break;
		}
	}

	rewind(file);

	return revision >= VALID_CONFIG_REV;
}

bool CGameSettings::Save()
{
	char filepath[300];
	strcpy(filepath, ConfigPath.c_str());

	char * ptr = strrchr(filepath, '/');
	if(ptr)
		ptr[0] = 0;

	CreateSubfolder(filepath);

	FILE * f = fopen(ConfigPath.c_str(), "w");
	if (!f) return false;

	fprintf(f, "# USB Loader GX R%s - Individual game settings file\n", GetRev());
	fprintf(f, "# note: this file is automatically generated\n");
	fprintf(f, "# Num Games: %d\n", GameList.size());
	for (u32 i = 0; i < GameList.size(); ++i)
	{
		fprintf(f, "game:%s = ", GameList[i].id);
		fprintf(f, "video:%d; ", GameList[i].video);
		fprintf(f, "aspectratio:%d; ", GameList[i].aspectratio);
		fprintf(f, "language:%d; ", GameList[i].language);
		fprintf(f, "ocarina:%d; ", GameList[i].ocarina);
		fprintf(f, "vipatch:%d; ", GameList[i].vipatch);
		fprintf(f, "ios:%d; ", GameList[i].ios);
		fprintf(f, "parentalcontrol:%d; ", GameList[i].parentalcontrol);
		fprintf(f, "errorfix002:%d; ", GameList[i].errorfix002);
		fprintf(f, "iosreloadblock:%d; ", GameList[i].iosreloadblock);
		fprintf(f, "patchcountrystrings:%d; ", GameList[i].patchcountrystrings);
		fprintf(f, "loadalternatedol:%d; ", GameList[i].loadalternatedol);
		fprintf(f, "alternatedolstart:%d; ", GameList[i].alternatedolstart);
		fprintf(f, "alternatedolname:%s; ", GameList[i].alternatedolname.c_str());
		fprintf(f, "returnTo:%d; ", GameList[i].returnTo);
		fprintf(f, "sneekVideoPatch:%d; ", GameList[i].sneekVideoPatch);
		fprintf(f, "NandEmuMode:%d; ", GameList[i].NandEmuMode);
		fprintf(f, "NandEmuPath:%s; ", GameList[i].NandEmuPath.c_str());
		fprintf(f, "Hooktype:%d; ", GameList[i].Hooktype);
		fprintf(f, "WiirdDebugger:%d; ", GameList[i].WiirdDebugger);
		fprintf(f, "Locked:%d;\n", GameList[i].Locked);
	}
	fprintf(f, "# END\n");
	fclose(f);

	return true;
}

bool CGameSettings::SetSetting(GameCFG & game, const char *name, const char *value)
{
	int i = 0;

	if (strcmp(name, "video") == 0)
	{
		if (sscanf(value, "%d", &i) == 1)
		{
			game.video = i;
		}
		return true;
	}
	else if(strcmp(name, "aspectratio") == 0)
	{
		if (sscanf(value, "%d", &i) == 1)
		{
			game.aspectratio = i;
		}
		return true;
	}
	else if(strcmp(name, "language") == 0)
	{
		if (sscanf(value, "%d", &i) == 1)
		{
			game.language = i;
		}
		return true;
	}
	else if(strcmp(name, "ocarina") == 0)
	{
		if (sscanf(value, "%d", &i) == 1)
		{
			game.ocarina = i;
		}
		return true;
	}
	else if(strcmp(name, "vipatch") == 0)
	{
		if (sscanf(value, "%d", &i) == 1)
		{
			game.vipatch = i;
		}
		return true;
	}
	else if(strcmp(name, "ios") == 0)
	{
		if (sscanf(value, "%d", &i) == 1)
		{
			game.ios = i;
		}
		return true;
	}
	else if(strcmp(name, "parentalcontrol") == 0)
	{
		if (sscanf(value, "%d", &i) == 1)
		{
			game.parentalcontrol = i;
		}
		return true;
	}
	else if(strcmp(name, "errorfix002") == 0)
	{
		if (sscanf(value, "%d", &i) == 1)
		{
			game.errorfix002 = i;
		}
		return true;
	}
	else if(strcmp(name, "iosreloadblock") == 0)
	{
		if (sscanf(value, "%d", &i) == 1)
		{
			game.iosreloadblock = i;
		}
		return true;
	}
	else if(strcmp(name, "loadalternatedol") == 0)
	{
		if (sscanf(value, "%d", &i) == 1)
		{
			game.loadalternatedol = i;
		}
		return true;
	}
	else if(strcmp(name, "alternatedolstart") == 0)
	{
		if (sscanf(value, "%d", &i) == 1)
		{
			game.alternatedolstart = i;
		}
		return true;
	}
	else if(strcmp(name, "patchcountrystrings") == 0)
	{
		if (sscanf(value, "%d", &i) == 1)
		{
			game.patchcountrystrings = i;
		}
		return true;
	}
	else if(strcmp(name, "alternatedolname") == 0)
	{
		game.alternatedolname = value;
		return true;
	}
	else if(strcmp(name, "returnTo") == 0)
	{
		if (sscanf(value, "%d", &i) == 1)
		{
			game.returnTo = i;
		}
		return true;
	}
	else if(strcmp(name, "sneekVideoPatch") == 0)
	{
		if (sscanf(value, "%d", &i) == 1)
		{
			game.sneekVideoPatch = i;
		}
		return true;
	}
	else if(strcmp(name, "NandEmuMode") == 0)
	{
		if (sscanf(value, "%d", &i) == 1)
		{
			game.NandEmuMode = i;
		}
		return true;
	}
	else if(strcmp(name, "NandEmuPath") == 0)
	{
		game.NandEmuPath = value;
		return true;
	}
	else if(strcmp(name, "Hooktype") == 0)
	{
		if (sscanf(value, "%d", &i) == 1)
		{
			game.Hooktype = i;
		}
		return true;
	}
	else if(strcmp(name, "WiirdDebugger") == 0)
	{
		if (sscanf(value, "%d", &i) == 1)
		{
			game.WiirdDebugger = i;
		}
		return true;
	}
	else if(strcmp(name, "Locked") == 0)
	{
		if (sscanf(value, "%d", &i) == 1)
		{
			game.Locked = i;
		}
		return true;
	}

	return false;
}

bool CGameSettings::ReadGameID(const char * src, char * GameID, int size)
{
	if(strncasecmp(src, "game:", 5) != 0)
		return false;

	char * ptr = strchr(src, ':');
	if(!ptr)
		return false;

	ptr++;

	int i = 0;

	for(i = 0; i < size; i++, ptr++)
	{
		if(*ptr == ' ' || *ptr == '\0')
			break;

		GameID[i] = *ptr;
	}

	GameID[i] = 0;

	return true;
}

void CGameSettings::ParseLine(char *line)
{
	char GameID[8];

	if(!ReadGameID(line, GameID, 6))
		return;

	if(strlen(GameID) != 6 && strlen(GameID) != 4)
		return;

	GameCFG NewCFG;
	SetDefault(NewCFG);

	strcpy(NewCFG.id, GameID);

	char * LinePtr = strchr(line, '=');

	while(LinePtr != NULL)
	{
		LinePtr++;

		char * eq = strchr(LinePtr, ':');

		if (!eq) break;

		std::string name, value;

		this->TrimLine(name, LinePtr, ':');
		this->TrimLine(value, eq + 1, ';');

		SetSetting(NewCFG, name.c_str(), value.c_str());

		LinePtr = strchr(LinePtr, ';');
	}

	AddGame(NewCFG);
}

void CGameSettings::TrimLine(std::string &dest, const char *src, char stopChar)
{
	if(!src)
		return;

	while (*src == ' ')
		src++;

	while(*src != 0)
	{
		if(*src == stopChar || *src == '\n' || *src == '\r')
			break;

		dest.push_back(*src);
		src++;
	}
}

int CGameSettings::GetPartenalPEGI(int parental)
{
	switch(parental)
	{
		case 1: return 7;
		case 2: return 12;
		case 3: return 16;
		case 4: return 18;
		default: return -1;
	}
}

void CGameSettings::SetDefault(GameCFG &game)
{
	memset(game.id, 0, sizeof(game.id));
	game.video = INHERIT;
	game.aspectratio = INHERIT;
	game.language = INHERIT;
	game.ocarina = INHERIT;
	game.vipatch = INHERIT;
	game.ios = INHERIT;
	game.parentalcontrol = PARENTAL_LVL_EVERYONE;
	game.errorfix002 = INHERIT;
	game.patchcountrystrings = INHERIT;
	game.loadalternatedol = ALT_DOL_DEFAULT;
	game.alternatedolstart = 0;
	game.iosreloadblock = INHERIT;
	game.alternatedolname.clear();
	game.returnTo = 1;
	game.sneekVideoPatch = INHERIT;
	game.NandEmuMode = INHERIT;
	game.NandEmuPath.clear();
	game.Hooktype = INHERIT;
	game.WiirdDebugger = INHERIT;
	game.Locked = OFF;
}