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fceugx/source/preferences.cpp
dborth b9ea78dc5b replace file calls with standard ones
2011-01-20 02:53:13 +00:00

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/****************************************************************************
* FCE Ultra
* Nintendo Wii/Gamecube Port
*
* Tantric 2008-2009
*
* preferences.cpp
*
* Preferences save/load preferences utilities
****************************************************************************/
#include <gccore.h>
#include <stdio.h>
#include <string.h>
#include <dirent.h>
#include <ogcsys.h>
#include <mxml.h>
#include "fceugx.h"
#include "button_mapping.h"
#include "filebrowser.h"
#include "menu.h"
#include "fileop.h"
#include "pad.h"
struct SGCSettings GCSettings;
/****************************************************************************
* Prepare Preferences Data
*
* This sets up the save buffer for saving.
***************************************************************************/
static mxml_node_t *xml = NULL;
static mxml_node_t *data = NULL;
static mxml_node_t *section = NULL;
static mxml_node_t *item = NULL;
static mxml_node_t *elem = NULL;
static char temp[200];
static const char * toStr(int i)
{
sprintf(temp, "%d", i);
return temp;
}
static const char * FtoStr(float i)
{
sprintf(temp, "%.2f", i);
return temp;
}
static void createXMLSection(const char * name, const char * description)
{
section = mxmlNewElement(data, "section");
mxmlElementSetAttr(section, "name", name);
mxmlElementSetAttr(section, "description", description);
}
static void createXMLSetting(const char * name, const char * description, const char * value)
{
item = mxmlNewElement(section, "setting");
mxmlElementSetAttr(item, "name", name);
mxmlElementSetAttr(item, "value", value);
mxmlElementSetAttr(item, "description", description);
}
static void createXMLController(unsigned int controller[], const char * name, const char * description)
{
item = mxmlNewElement(section, "controller");
mxmlElementSetAttr(item, "name", name);
mxmlElementSetAttr(item, "description", description);
// create buttons
for(int i=0; i < MAXJP; i++)
{
elem = mxmlNewElement(item, "button");
mxmlElementSetAttr(elem, "number", toStr(i));
mxmlElementSetAttr(elem, "assignment", toStr(controller[i]));
}
}
static const char * XMLSaveCallback(mxml_node_t *node, int where)
{
const char *name;
name = node->value.element.name;
if(where == MXML_WS_BEFORE_CLOSE)
{
if(!strcmp(name, "file") || !strcmp(name, "section"))
return ("\n");
else if(!strcmp(name, "controller"))
return ("\n\t");
}
if (where == MXML_WS_BEFORE_OPEN)
{
if(!strcmp(name, "file"))
return ("\n");
else if(!strcmp(name, "section"))
return ("\n\n");
else if(!strcmp(name, "setting") || !strcmp(name, "controller"))
return ("\n\t");
else if(!strcmp(name, "button"))
return ("\n\t\t");
}
return (NULL);
}
static int
preparePrefsData ()
{
xml = mxmlNewXML("1.0");
mxmlSetWrapMargin(0); // disable line wrapping
data = mxmlNewElement(xml, "file");
mxmlElementSetAttr(data, "app", APPNAME);
mxmlElementSetAttr(data, "version", APPVERSION);
createXMLSection("File", "File Settings");
createXMLSetting("AutoLoad", "Auto Load", toStr(GCSettings.AutoLoad));
createXMLSetting("AutoSave", "Auto Save", toStr(GCSettings.AutoSave));
createXMLSetting("LoadMethod", "Load Method", toStr(GCSettings.LoadMethod));
createXMLSetting("SaveMethod", "Save Method", toStr(GCSettings.SaveMethod));
createXMLSetting("LoadFolder", "Load Folder", GCSettings.LoadFolder);
createXMLSetting("SaveFolder", "Save Folder", GCSettings.SaveFolder);
createXMLSetting("CheatFolder", "Cheats Folder", GCSettings.CheatFolder);
createXMLSetting("gamegenie", "Game Genie", toStr(GCSettings.gamegenie));
createXMLSection("Network", "Network Settings");
createXMLSetting("smbip", "Share Computer IP", GCSettings.smbip);
createXMLSetting("smbshare", "Share Name", GCSettings.smbshare);
createXMLSetting("smbuser", "Share Username", GCSettings.smbuser);
createXMLSetting("smbpwd", "Share Password", GCSettings.smbpwd);
createXMLSection("Video", "Video Settings");
createXMLSetting("videomode", "Video Mode", toStr(GCSettings.videomode));
createXMLSetting("currpal", "Palette", toStr(GCSettings.currpal));
createXMLSetting("timing", "Timing", toStr(GCSettings.timing));
createXMLSetting("spritelimit", "Sprite Limit", toStr(GCSettings.spritelimit));
createXMLSetting("zoomHor", "Horizontal Zoom Level", FtoStr(GCSettings.zoomHor));
createXMLSetting("zoomVert", "Vertical Zoom Level", FtoStr(GCSettings.zoomVert));
createXMLSetting("render", "Video Filtering", toStr(GCSettings.render));
createXMLSetting("widescreen", "Aspect Ratio Correction", toStr(GCSettings.widescreen));
createXMLSetting("hideoverscan", "Video Cropping", toStr(GCSettings.hideoverscan));
createXMLSetting("xshift", "Horizontal Video Shift", toStr(GCSettings.xshift));
createXMLSetting("yshift", "Vertical Video Shift", toStr(GCSettings.yshift));
createXMLSection("Menu", "Menu Settings");
createXMLSetting("WiimoteOrientation", "Wiimote Orientation", toStr(GCSettings.WiimoteOrientation));
createXMLSetting("ExitAction", "Exit Action", toStr(GCSettings.ExitAction));
createXMLSetting("MusicVolume", "Music Volume", toStr(GCSettings.MusicVolume));
createXMLSetting("SFXVolume", "Sound Effects Volume", toStr(GCSettings.SFXVolume));
createXMLSetting("Rumble", "Rumble", toStr(GCSettings.Rumble));
createXMLSetting("language", "Language", toStr(GCSettings.language));
createXMLSection("Controller", "Controller Settings");
createXMLSetting("Controller", "Controller", toStr(GCSettings.Controller));
createXMLSetting("crosshair", "Zapper Crosshair", toStr(GCSettings.crosshair));
createXMLController(btnmap[CTRL_PAD][CTRLR_GCPAD], "btnmap_pad_gcpad", "NES Pad - GameCube Controller");
createXMLController(btnmap[CTRL_PAD][CTRLR_WIIMOTE], "btnmap_pad_wiimote", "NES Pad - Wiimote");
createXMLController(btnmap[CTRL_PAD][CTRLR_CLASSIC], "btnmap_pad_classic", "NES Pad - Classic Controller");
createXMLController(btnmap[CTRL_PAD][CTRLR_NUNCHUK], "btnmap_pad_nunchuk", "NES Pad - Nunchuk + Wiimote");
createXMLController(btnmap[CTRL_ZAPPER][CTRLR_GCPAD], "btnmap_zapper_gcpad", "Zapper - GameCube Controller");
createXMLController(btnmap[CTRL_ZAPPER][CTRLR_WIIMOTE], "btnmap_zapper_wiimote", "Zapper - Wiimote");
int datasize = mxmlSaveString(xml, (char *)savebuffer, SAVEBUFFERSIZE, XMLSaveCallback);
mxmlDelete(xml);
return datasize;
}
/****************************************************************************
* loadXMLSetting
*
* Load XML elements into variables for an individual variable
***************************************************************************/
static void loadXMLSetting(char * var, const char * name, int maxsize)
{
item = mxmlFindElement(xml, xml, "setting", "name", name, MXML_DESCEND);
if(item)
{
const char * tmp = mxmlElementGetAttr(item, "value");
if(tmp)
snprintf(var, maxsize, "%s", tmp);
}
}
static void loadXMLSetting(int * var, const char * name)
{
item = mxmlFindElement(xml, xml, "setting", "name", name, MXML_DESCEND);
if(item)
{
const char * tmp = mxmlElementGetAttr(item, "value");
if(tmp)
*var = atoi(tmp);
}
}
static void loadXMLSetting(float * var, const char * name)
{
item = mxmlFindElement(xml, xml, "setting", "name", name, MXML_DESCEND);
if(item)
{
const char * tmp = mxmlElementGetAttr(item, "value");
if(tmp)
*var = atof(tmp);
}
}
/****************************************************************************
* loadXMLController
*
* Load XML elements into variables for a controller mapping
***************************************************************************/
static void loadXMLController(unsigned int controller[], const char * name)
{
item = mxmlFindElement(xml, xml, "controller", "name", name, MXML_DESCEND);
if(item)
{
// populate buttons
for(int i=0; i < MAXJP; i++)
{
elem = mxmlFindElement(item, xml, "button", "number", toStr(i), MXML_DESCEND);
if(elem)
{
const char * tmp = mxmlElementGetAttr(elem, "assignment");
if(tmp)
controller[i] = atoi(tmp);
}
}
}
}
/****************************************************************************
* decodePrefsData
*
* Decodes preferences - parses XML and loads preferences into the variables
***************************************************************************/
static bool
decodePrefsData ()
{
bool result = false;
xml = mxmlLoadString(NULL, (char *)savebuffer, MXML_TEXT_CALLBACK);
if(xml)
{
// check settings version
item = mxmlFindElement(xml, xml, "file", "version", NULL, MXML_DESCEND);
if(item) // a version entry exists
{
const char * version = mxmlElementGetAttr(item, "version");
if(version && strlen(version) == 5)
{
// this code assumes version in format X.X.X
// XX.X.X, X.XX.X, or X.X.XX will NOT work
int verMajor = version[0] - '0';
int verMinor = version[2] - '0';
int verPoint = version[4] - '0';
int curMajor = APPVERSION[0] - '0';
int curMinor = APPVERSION[2] - '0';
int curPoint = APPVERSION[4] - '0';
// first we'll check that the versioning is valid
if(!(verMajor >= 0 && verMajor <= 9 &&
verMinor >= 0 && verMinor <= 9 &&
verPoint >= 0 && verPoint <= 9))
result = false;
else if(verMajor < 3) // less than version 3.0.0
result = false; // reset settings
else if((verMajor*100 + verMinor*10 + verPoint) >
(curMajor*100 + curMinor*10 + curPoint)) // some future version
result = false; // reset settings
else
result = true;
}
}
if(result)
{
// File Settings
loadXMLSetting(&GCSettings.AutoLoad, "AutoLoad");
loadXMLSetting(&GCSettings.AutoSave, "AutoSave");
loadXMLSetting(&GCSettings.LoadMethod, "LoadMethod");
loadXMLSetting(&GCSettings.SaveMethod, "SaveMethod");
loadXMLSetting(GCSettings.LoadFolder, "LoadFolder", sizeof(GCSettings.LoadFolder));
loadXMLSetting(GCSettings.SaveFolder, "SaveFolder", sizeof(GCSettings.SaveFolder));
loadXMLSetting(GCSettings.CheatFolder, "CheatFolder", sizeof(GCSettings.CheatFolder));
loadXMLSetting(&GCSettings.gamegenie, "gamegenie");
// Network Settings
loadXMLSetting(GCSettings.smbip, "smbip", sizeof(GCSettings.smbip));
loadXMLSetting(GCSettings.smbshare, "smbshare", sizeof(GCSettings.smbshare));
loadXMLSetting(GCSettings.smbuser, "smbuser", sizeof(GCSettings.smbuser));
loadXMLSetting(GCSettings.smbpwd, "smbpwd", sizeof(GCSettings.smbpwd));
// Video Settings
loadXMLSetting(&GCSettings.videomode, "videomode");
loadXMLSetting(&GCSettings.currpal, "currpal");
loadXMLSetting(&GCSettings.timing, "timing");
loadXMLSetting(&GCSettings.spritelimit, "spritelimit");
loadXMLSetting(&GCSettings.zoomHor, "zoomHor");
loadXMLSetting(&GCSettings.zoomVert, "zoomVert");
loadXMLSetting(&GCSettings.render, "render");
loadXMLSetting(&GCSettings.widescreen, "widescreen");
loadXMLSetting(&GCSettings.hideoverscan, "hideoverscan");
loadXMLSetting(&GCSettings.xshift, "xshift");
loadXMLSetting(&GCSettings.yshift, "yshift");
// Menu Settings
loadXMLSetting(&GCSettings.WiimoteOrientation, "WiimoteOrientation");
loadXMLSetting(&GCSettings.ExitAction, "ExitAction");
loadXMLSetting(&GCSettings.MusicVolume, "MusicVolume");
loadXMLSetting(&GCSettings.SFXVolume, "SFXVolume");
loadXMLSetting(&GCSettings.Rumble, "Rumble");
loadXMLSetting(&GCSettings.language, "language");
// Controller Settings
loadXMLSetting(&GCSettings.Controller, "Controller");
loadXMLSetting(&GCSettings.crosshair, "crosshair");
loadXMLController(btnmap[CTRL_PAD][CTRLR_GCPAD], "btnmap_pad_gcpad");
loadXMLController(btnmap[CTRL_PAD][CTRLR_WIIMOTE], "btnmap_pad_wiimote");
loadXMLController(btnmap[CTRL_PAD][CTRLR_CLASSIC], "btnmap_pad_classic");
loadXMLController(btnmap[CTRL_PAD][CTRLR_NUNCHUK], "btnmap_pad_nunchuk");
loadXMLController(btnmap[CTRL_ZAPPER][CTRLR_GCPAD], "btnmap_zapper_gcpad");
loadXMLController(btnmap[CTRL_ZAPPER][CTRLR_WIIMOTE], "btnmap_zapper_wiimote");
}
mxmlDelete(xml);
}
return result;
}
/****************************************************************************
* FixInvalidSettings
*
* Attempts to correct at least some invalid settings - the ones that
* might cause crashes
***************************************************************************/
void FixInvalidSettings()
{
if(GCSettings.LoadMethod > 6)
GCSettings.LoadMethod = DEVICE_AUTO;
if(GCSettings.SaveMethod > 6)
GCSettings.SaveMethod = DEVICE_AUTO;
if(!(GCSettings.zoomHor > 0.5 && GCSettings.zoomHor < 1.5))
GCSettings.zoomHor = 1.0;
if(!(GCSettings.zoomVert > 0.5 && GCSettings.zoomVert < 1.5))
GCSettings.zoomVert = 1.0;
if(!(GCSettings.xshift > -50 && GCSettings.xshift < 50))
GCSettings.xshift = 0;
if(!(GCSettings.yshift > -50 && GCSettings.yshift < 50))
GCSettings.yshift = 0;
if(!(GCSettings.MusicVolume >= 0 && GCSettings.MusicVolume <= 100))
GCSettings.MusicVolume = 40;
if(!(GCSettings.SFXVolume >= 0 && GCSettings.SFXVolume <= 100))
GCSettings.SFXVolume = 40;
if(GCSettings.language < 0 || GCSettings.language >= LANG_LENGTH)
GCSettings.language = LANG_ENGLISH;
if(GCSettings.Controller > CTRL_PAD4 || GCSettings.Controller < CTRL_ZAPPER)
GCSettings.Controller = CTRL_PAD2;
if(!(GCSettings.render >= 0 && GCSettings.render < 3))
GCSettings.render = 2;
if(GCSettings.timing < 0 || GCSettings.timing > 2)
GCSettings.timing = 2;
if(!(GCSettings.videomode >= 0 && GCSettings.videomode < 5))
GCSettings.videomode = 0;
}
/****************************************************************************
* DefaultSettings
*
* Sets all the defaults!
***************************************************************************/
void
DefaultSettings ()
{
memset (&GCSettings, 0, sizeof (GCSettings));
ResetControls(); // controller button mappings
GCSettings.currpal = 1; // color palette
GCSettings.timing = 2; // 0 - NTSC, 1 - PAL, 2 - Automatic
GCSettings.videomode = 0; // automatic video mode detection
GCSettings.Controller = CTRL_PAD2; // NES pad, Four Score, Zapper
GCSettings.crosshair = 1; // show zapper crosshair
GCSettings.spritelimit = 1; // enforce 8 sprite limit
GCSettings.gamegenie = 1;
GCSettings.render = 2; // Unfiltered
GCSettings.hideoverscan = 2; // hide both horizontal and vertical
GCSettings.widescreen = 0; // no aspect ratio correction
GCSettings.zoomHor = 1.0; // horizontal zoom level
GCSettings.zoomVert = 1.0; // vertical zoom level
GCSettings.xshift = 0; // horizontal video shift
GCSettings.yshift = 0; // vertical video shift
GCSettings.WiimoteOrientation = 0;
GCSettings.ExitAction = 0;
GCSettings.MusicVolume = 40;
GCSettings.SFXVolume = 40;
GCSettings.Rumble = 1;
#ifdef HW_RVL
GCSettings.language = CONF_GetLanguage();
if(GCSettings.language == LANG_JAPANESE ||
GCSettings.language == LANG_SIMP_CHINESE ||
GCSettings.language == LANG_TRAD_CHINESE ||
GCSettings.language == LANG_KOREAN)
GCSettings.language = LANG_ENGLISH;
#else
GCSettings.language = LANG_ENGLISH;
#endif
GCSettings.LoadMethod = DEVICE_AUTO; // Auto, SD, DVD, USB, Network (SMB)
GCSettings.SaveMethod = DEVICE_AUTO; // Auto, SD, USB, Network (SMB)
sprintf (GCSettings.LoadFolder, "%s/roms", APPFOLDER); // Path to game files
sprintf (GCSettings.SaveFolder, "%s/saves", APPFOLDER); // Path to save files
sprintf (GCSettings.CheatFolder, "%s/cheats", APPFOLDER); // Path to cheat files
GCSettings.AutoLoad = 1; // Auto Load RAM
GCSettings.AutoSave = 1; // Auto Save RAM
}
/****************************************************************************
* Save Preferences
***************************************************************************/
static char prefpath[MAXPATHLEN] = { 0 };
bool
SavePrefs (bool silent)
{
char filepath[MAXPATHLEN];
int datasize;
int offset = 0;
int device = 0;
if(prefpath[0] != 0)
{
sprintf(filepath, "%s/%s", prefpath, PREF_FILE_NAME);
FindDevice(filepath, &device);
}
else if(appPath[0] != 0)
{
sprintf(filepath, "%s/%s", appPath, PREF_FILE_NAME);
strcpy(prefpath, appPath);
FindDevice(filepath, &device);
}
else
{
device = autoSaveMethod(silent);
if(device == 0)
return false;
sprintf(filepath, "%s%s", pathPrefix[device], APPFOLDER);
DIR *dir = opendir(filepath);
if (!dir)
{
if(mkdir(filepath, 0777) != 0)
return false;
sprintf(filepath, "%s%s/roms", pathPrefix[device], APPFOLDER);
if(mkdir(filepath, 0777) != 0)
return false;
sprintf(filepath, "%s%s/saves", pathPrefix[device], APPFOLDER);
if(mkdir(filepath, 0777) != 0)
return false;
}
else
{
closedir(dir);
}
sprintf(filepath, "%s%s/%s", pathPrefix[device], APPFOLDER, PREF_FILE_NAME);
sprintf(prefpath, "%s%s", pathPrefix[device], APPFOLDER);
}
if(device == 0)
return false;
if (!silent)
ShowAction ("Saving preferences...");
FixInvalidSettings();
AllocSaveBuffer ();
datasize = preparePrefsData ();
offset = SaveFile(filepath, datasize, silent);
FreeSaveBuffer ();
CancelAction();
if (offset > 0)
{
if (!silent)
InfoPrompt("Preferences saved");
return true;
}
return false;
}
/****************************************************************************
* Load Preferences from specified filepath
***************************************************************************/
bool
LoadPrefsFromMethod (char * path)
{
bool retval = false;
int offset = 0;
char filepath[MAXPATHLEN];
sprintf(filepath, "%s/%s", path, PREF_FILE_NAME);
AllocSaveBuffer ();
offset = LoadFile(filepath, SILENT);
if (offset > 0)
retval = decodePrefsData ();
FreeSaveBuffer ();
if(retval)
{
strcpy(prefpath, path);
if(appPath[0] == 0)
strcpy(appPath, prefpath);
}
return retval;
}
/****************************************************************************
* Load Preferences
* Checks sources consecutively until we find a preference file
***************************************************************************/
static bool prefLoaded = false;
bool LoadPrefs()
{
if(prefLoaded) // already attempted loading
return true;
bool prefFound = false;
char filepath[5][MAXPATHLEN];
int numDevices;
#ifdef HW_RVL
numDevices = 5;
sprintf(filepath[0], "%s", appPath);
sprintf(filepath[1], "sd:/apps/%s", APPFOLDER);
sprintf(filepath[2], "usb:/apps/%s", APPFOLDER);
sprintf(filepath[3], "sd:/%s", APPFOLDER);
sprintf(filepath[4], "usb:/%s", APPFOLDER);
#else
numDevices = 2;
sprintf(filepath[0], "carda:/%s", APPFOLDER);
sprintf(filepath[1], "cardb:/%s", APPFOLDER);
#endif
for(int i=0; i<numDevices; i++)
{
prefFound = LoadPrefsFromMethod(filepath[i]);
if(prefFound)
break;
}
prefLoaded = true; // attempted to load preferences
if(prefFound)
FixInvalidSettings();
ResetText();
return prefFound;
}
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