/*
Copyright 2016-2019 StapleButter
This file is part of melonDS.
melonDS is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.
melonDS is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with melonDS. If not, see http://www.gnu.org/licenses/.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "Config.h"
#include <string>
#ifdef _WIN32
#define NTDDI_VERSION 0x06000000 // GROSS FUCKING HACK
#include <windows.h>
//#include <knownfolders.h> // FUCK THAT SHIT
extern "C" const GUID DECLSPEC_SELECTANY FOLDERID_RoamingAppData = {0x3eb685db, 0x65f9, 0x4cf6, {0xa0, 0x3a, 0xe3, 0xef, 0x65, 0x72, 0x9f, 0x3d}};
#include <shlobj.h>
#else
#include <glib.h>
#endif
namespace Config
{
int KeyMapping[12];
int JoyMapping[12];
int WindowWidth;
int WindowHeight;
int ScreenRotation;
int ScreenGap;
int ScreenLayout;
int ScreenSizing;
int ScreenFilter;
int DirectBoot;
int Threaded3D;
int SocketBindAnyAddr;
int SavestateRelocSRAM;
typedef struct
{
char Name[16];
int Type;
void* Value;
int DefaultInt;
char* DefaultStr;
int StrLength;
} ConfigEntry;
ConfigEntry ConfigFile[] =
{
{"Key_A", 0, &KeyMapping[0], 32, NULL, 0},
{"Key_B", 0, &KeyMapping[1], 31, NULL, 0},
{"Key_Select", 0, &KeyMapping[2], 57, NULL, 0},
{"Key_Start", 0, &KeyMapping[3], 28, NULL, 0},
{"Key_Right", 0, &KeyMapping[4], 333, NULL, 0},
{"Key_Left", 0, &KeyMapping[5], 331, NULL, 0},
{"Key_Up", 0, &KeyMapping[6], 328, NULL, 0},
{"Key_Down", 0, &KeyMapping[7], 336, NULL, 0},
{"Key_R", 0, &KeyMapping[8], 54, NULL, 0},
{"Key_L", 0, &KeyMapping[9], 86, NULL, 0},
{"Key_X", 0, &KeyMapping[10], 17, NULL, 0},
{"Key_Y", 0, &KeyMapping[11], 30, NULL, 0},
{"Joy_A", 0, &JoyMapping[0], -1, NULL, 0},
{"Joy_B", 0, &JoyMapping[1], -1, NULL, 0},
{"Joy_Select", 0, &JoyMapping[2], -1, NULL, 0},
{"Joy_Start", 0, &JoyMapping[3], -1, NULL, 0},
{"Joy_Right", 0, &JoyMapping[4], -1, NULL, 0},
{"Joy_Left", 0, &JoyMapping[5], -1, NULL, 0},
{"Joy_Up", 0, &JoyMapping[6], -1, NULL, 0},
{"Joy_Down", 0, &JoyMapping[7], -1, NULL, 0},
{"Joy_R", 0, &JoyMapping[8], -1, NULL, 0},
{"Joy_L", 0, &JoyMapping[9], -1, NULL, 0},
{"Joy_X", 0, &JoyMapping[10], -1, NULL, 0},
{"Joy_Y", 0, &JoyMapping[11], -1, NULL, 0},
{"WindowWidth", 0, &WindowWidth, 256, NULL, 0},
{"WindowHeight", 0, &WindowHeight, 384, NULL, 0},
{"ScreenRotation", 0, &ScreenRotation, 0, NULL, 0},
{"ScreenGap", 0, &ScreenGap, 0, NULL, 0},
{"ScreenLayout", 0, &ScreenLayout, 0, NULL, 0},
{"ScreenSizing", 0, &ScreenSizing, 0, NULL, 0},
{"ScreenFilter", 0, &ScreenFilter, 1, NULL, 0},
{"DirectBoot", 0, &DirectBoot, 1, NULL, 0},
{"Threaded3D", 0, &Threaded3D, 1, NULL, 0},
{"SockBindAnyAddr", 0, &SocketBindAnyAddr, 0, NULL, 0},
{"SavStaRelocSRAM", 0, &SavestateRelocSRAM, 1, NULL, 0},
{"", -1, NULL, 0, NULL, 0}
};
FILE* GetConfigFile(const char* fileName, const char* permissions)
{
// Locations are application directory, and XDG_CONFIG_HOME/melonds or AppData/MelonDS on windows
FILE* f;
// First check application directory
f = fopen(fileName, permissions);
if (f) return f;
#ifdef _WIN32
// Now check AppData
PWSTR appDataPath = NULL;
SHGetKnownFolderPath(FOLDERID_RoamingAppData, 0, NULL, &appDataPath);
if (!appDataPath)
return NULL;
const WCHAR* appdir = L"\\melonDS\\";
int fnlen = MultiByteToWideChar(CP_UTF8, 0, fileName, -1, NULL, 0);
if (fnlen < 1) return NULL;
WCHAR* wfileName = new WCHAR[fnlen];
int res = MultiByteToWideChar(CP_UTF8, 0, fileName, -1, wfileName, fnlen);
if (res != fnlen) { delete[] wfileName; return NULL; } // checkme?
int pos = wcslen(appDataPath);
void* ptr = CoTaskMemRealloc(appDataPath, (pos+wcslen(appdir)+fnlen+1)*sizeof(WCHAR));
if (!ptr) { delete[] wfileName; return NULL; } // oh well
appDataPath = (PWSTR)ptr;
wcscpy(&appDataPath[pos], appdir); pos += wcslen(appdir);
wcscpy(&appDataPath[pos], wfileName);
// this will be more than enough
WCHAR fatperm[4];
fatperm[0] = permissions[0];
fatperm[1] = permissions[1];
fatperm[2] = permissions[2];
fatperm[3] = 0;
f = _wfopen(appDataPath, fatperm);
CoTaskMemFree(appDataPath);
delete[] wfileName;
if (f) return f;
#else
// Now check XDG_CONFIG_HOME
// TODO: check for memory leak there
std::string path = std::string(g_get_user_config_dir()) + "/melonds/" + fileName;
f = fopen(path.c_str(), permissions);
if (f) return f;
#endif
return NULL;
}
bool HasConfigFile(const char* fileName)
{
FILE* f = GetConfigFile(fileName, "rb");
if (f)
{
fclose(f);
return true;
}
else
return false;
}
void Load()
{
ConfigEntry* entry = &ConfigFile[0];
for (;;)
{
if (!entry->Value) break;
if (entry->Type == 0)
*(int*)entry->Value = entry->DefaultInt;
else
strncpy((char*)entry->Value, entry->DefaultStr, entry->StrLength);
entry++;
}
FILE* f = Config::GetConfigFile("melonDS.ini", "r");
if (!f) return;
char linebuf[1024];
char entryname[16];
char entryval[1024];
while (!feof(f))
{
fgets(linebuf, 1024, f);
int ret = sscanf(linebuf, "%15[A-Za-z_0-9]=%[^\t\n]", entryname, entryval);
if (ret < 2) continue;
ConfigEntry* entry = &ConfigFile[0];
for (;;)
{
if (!entry->Value) break;
if (!strncmp(entry->Name, entryname, 15))
{
if (entry->Type == 0)
*(int*)entry->Value = strtol(entryval, NULL, 10);
else
strncpy((char*)entry->Value, entryval, entry->StrLength);
break;
}
entry++;
}
}
fclose(f);
}
void Save()
{
FILE* f = Config::GetConfigFile("melonDS.ini", "w");
if (!f) return;
ConfigEntry* entry = &ConfigFile[0];
for (;;)
{
if (!entry->Value) break;
if (entry->Type == 0)
fprintf(f, "%s=%d\n", entry->Name, *(int*)entry->Value);
else
fprintf(f, "%s=%s\n", entry->Name, entry->Value);
entry++;
}
fclose(f);
}
}