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vbagx/source/ngc/preferences.cpp
dborth b68c750b8e add more pref file search locations
2009-12-23 07:22:19 +00:00

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/****************************************************************************
* Visual Boy Advance GX
*
* Tantric September 2008
*
* preferences.cpp
*
* Preferences save/load to XML file
***************************************************************************/
#include <gccore.h>
#include <stdio.h>
#include <string.h>
#include <sys/dir.h>
#include <ogcsys.h>
#include <mxml.h>
#include "vba.h"
#include "vbaconfig.h"
#include "menu.h"
#include "fileop.h"
#include "filebrowser.h"
#include "input.h"
#include "button_mapping.h"
#include "gamesettings.h"
static gamePalette *palettes = NULL;
static int loadedPalettes = 0;
/****************************************************************************
* 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 mxml_node_t *mxmlFindNewElement(mxml_node_t *parent, const char *nodename, const char *attr=NULL, const char *value=NULL)
{
mxml_node_t *node = mxmlFindElement(parent, xml, nodename, attr, value, MXML_DESCEND);
if (!node)
{
node = mxmlNewElement(parent, nodename);
if (attr && value) mxmlElementSetAttr(node, attr, value);
}
return node;
}
static char temp[20];
static const char * toStr(int i)
{
sprintf(temp, "%d", i);
return temp;
}
static const char * toHex(u32 i)
{
sprintf(temp, "0x%06X", 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 const char * XMLSavePalCallback(mxml_node_t *node, int where)
{
const char *name;
name = node->value.element.name;
if(where == MXML_WS_BEFORE_CLOSE)
{
if(!strcmp(name, "palette") || !strcmp(name, "game"))
return ("\n");
else if(!strcmp(name, "bkgr") || !strcmp(name, "wind") || !strcmp(name, "obj0") || !strcmp(name, "obj1"))
return ("\n\t");
}
if (where == MXML_WS_BEFORE_OPEN)
{
if(!strcmp(name, "palette"))
return ("\n");
else if(!strcmp(name, "game"))
return ("\n\n");
else if(!strcmp(name, "bkgr") || !strcmp(name, "wind") || !strcmp(name, "obj0") || !strcmp(name, "obj1"))
return ("\n\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);
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("gbaZoomHor", "GBA Horizontal Zoom Level", FtoStr(GCSettings.gbaZoomHor));
createXMLSetting("gbaZoomVert", "GBA Vertical Zoom Level", FtoStr(GCSettings.gbaZoomVert));
createXMLSetting("gbZoomHor", "GB Horizontal Zoom Level", FtoStr(GCSettings.gbZoomHor));
createXMLSetting("gbZoomVert", "GB Vertical Zoom Level", FtoStr(GCSettings.gbZoomVert));
createXMLSetting("render", "Video Filtering", toStr(GCSettings.render));
createXMLSetting("scaling", "Aspect Ratio Correction", toStr(GCSettings.scaling));
createXMLSetting("xshift", "Horizontal Video Shift", toStr(GCSettings.xshift));
createXMLSetting("yshift", "Vertical Video Shift", toStr(GCSettings.yshift));
createXMLSetting("colorize", "Colorize Mono Gameboy", toStr(GCSettings.colorize));
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));
createXMLSection("Controller", "Controller Settings");
createXMLSetting("WiiControls", "Match Wii Game", toStr(GCSettings.WiiControls));
createXMLController(btnmap[CTRLR_GCPAD], "gcpadmap", "GameCube Pad");
createXMLController(btnmap[CTRLR_WIIMOTE], "wmpadmap", "Wiimote");
createXMLController(btnmap[CTRLR_CLASSIC], "ccpadmap", "Classic Controller");
createXMLController(btnmap[CTRLR_NUNCHUK], "ncpadmap", "Nunchuk");
createXMLController(btnmap[CTRLR_KEYBOARD], "kbpadmap", "Keyboard");
int datasize = mxmlSaveString(xml, (char *)savebuffer, SAVEBUFFERSIZE, XMLSaveCallback);
mxmlDelete(xml);
return datasize;
}
static void createXMLPalette(gamePalette *p, bool overwrite, const char *newname = NULL)
{
if (!newname)
newname = p->gameName;
section = mxmlFindElement(xml, xml, "game", "name", newname, MXML_DESCEND);
if (section && !overwrite)
{
return;
}
else if (!section)
{
section = mxmlNewElement(data, "game");
}
mxmlElementSetAttr(section, "name", newname);
mxmlElementSetAttr(section, "use", "1");
item = mxmlFindNewElement(section, "bkgr");
mxmlElementSetAttr(item, "c0", toHex(p->palette[0]));
mxmlElementSetAttr(item, "c1", toHex(p->palette[1]));
mxmlElementSetAttr(item, "c2", toHex(p->palette[2]));
mxmlElementSetAttr(item, "c3", toHex(p->palette[3]));
item = mxmlFindNewElement(section, "wind");
mxmlElementSetAttr(item, "c0", toHex(p->palette[4]));
mxmlElementSetAttr(item, "c1", toHex(p->palette[5]));
mxmlElementSetAttr(item, "c2", toHex(p->palette[6]));
mxmlElementSetAttr(item, "c3", toHex(p->palette[7]));
item = mxmlFindNewElement(section, "obj0");
mxmlElementSetAttr(item, "c0", toHex(p->palette[8]));
mxmlElementSetAttr(item, "c1", toHex(p->palette[9]));
mxmlElementSetAttr(item, "c2", toHex(p->palette[10]));
item = mxmlFindNewElement(section, "obj1");
mxmlElementSetAttr(item, "c0", toHex(p->palette[11]));
mxmlElementSetAttr(item, "c1", toHex(p->palette[12]));
mxmlElementSetAttr(item, "c2", toHex(p->palette[13]));
}
static int
preparePalData (gamePalette pals[], int palCount)
{
xml = mxmlNewXML("1.0");
mxmlSetWrapMargin(0); // disable line wrapping
data = mxmlNewElement(xml, "palette");
mxmlElementSetAttr(data, "app", APPNAME);
mxmlElementSetAttr(data, "version", APPVERSION);
for (int i=0; i<palCount; i++)
createXMLPalette(&pals[i], false);
int datasize = mxmlSaveString(xml, (char *)savebuffer, SAVEBUFFERSIZE, XMLSavePalCallback);
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);
}
}
}
}
static void loadXMLPaletteFromSection(gamePalette &pal)
{
if (section)
{
strncpy(pal.gameName, mxmlElementGetAttr(section, "name"), 17);
item = mxmlFindElement(section, xml, "bkgr", NULL, NULL, MXML_DESCEND);
if (item)
{
const char * tmp = mxmlElementGetAttr(item, "c0");
if (tmp)
pal.palette[0] = strtoul(tmp, NULL, 16);
tmp = mxmlElementGetAttr(item, "c1");
if (tmp)
pal.palette[1] = strtoul(tmp, NULL, 16);
tmp = mxmlElementGetAttr(item, "c2");
if (tmp)
pal.palette[2] = strtoul(tmp, NULL, 16);
tmp = mxmlElementGetAttr(item, "c3");
if (tmp)
pal.palette[3] = strtoul(tmp, NULL, 16);
}
item = mxmlFindElement(section, xml, "wind", NULL, NULL, MXML_DESCEND);
if (item)
{
const char * tmp = mxmlElementGetAttr(item, "c0");
if (tmp)
pal.palette[4] = strtoul(tmp, NULL, 16);
tmp = mxmlElementGetAttr(item, "c1");
if (tmp)
pal.palette[5] = strtoul(tmp, NULL, 16);
tmp = mxmlElementGetAttr(item, "c2");
if (tmp)
pal.palette[6] = strtoul(tmp, NULL, 16);
tmp = mxmlElementGetAttr(item, "c3");
if (tmp)
pal.palette[7] = strtoul(tmp, NULL, 16);
}
item = mxmlFindElement(section, xml, "obj0", NULL, NULL, MXML_DESCEND);
if (item)
{
const char * tmp = mxmlElementGetAttr(item, "c0");
if (tmp)
pal.palette[8] = strtoul(tmp, NULL, 16);
tmp = mxmlElementGetAttr(item, "c1");
if (tmp)
pal.palette[9] = strtoul(tmp, NULL, 16);
tmp = mxmlElementGetAttr(item, "c2");
if (tmp)
pal.palette[10] = strtoul(tmp, NULL, 16);
}
item = mxmlFindElement(section, xml, "obj1", NULL, NULL, MXML_DESCEND);
if (item)
{
const char * tmp = mxmlElementGetAttr(item, "c0");
if (tmp)
pal.palette[11] = strtoul(tmp, NULL, 16);
tmp = mxmlElementGetAttr(item, "c1");
if (tmp)
pal.palette[12] = strtoul(tmp, NULL, 16);
tmp = mxmlElementGetAttr(item, "c2");
if (tmp)
pal.palette[13] = strtoul(tmp, NULL, 16);
}
const char *use = mxmlElementGetAttr(section, "use");
if (use)
{
if (atoi(use) == 0)
pal.use = 0;
else
pal.use = 1;
}
else
{
pal.use = 1;
}
}
}
/****************************************************************************
* 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
// we don't do anything with the version #, but we'll store it anyway
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 < 2) // less than version 2.0.0
result = false; // reset settings (sorry, should update settings instead)
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));
// 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.gbaZoomHor, "gbaZoomHor");
loadXMLSetting(&GCSettings.gbaZoomVert, "gbaZoomVert");
loadXMLSetting(&GCSettings.gbZoomHor, "gbaZoomHor");
loadXMLSetting(&GCSettings.gbZoomVert, "gbaZoomVert");
loadXMLSetting(&GCSettings.render, "render");
loadXMLSetting(&GCSettings.scaling, "scaling");
loadXMLSetting(&GCSettings.xshift, "xshift");
loadXMLSetting(&GCSettings.yshift, "yshift");
loadXMLSetting(&GCSettings.colorize, "colorize");
// Menu Settings
loadXMLSetting(&GCSettings.WiimoteOrientation, "WiimoteOrientation");
loadXMLSetting(&GCSettings.ExitAction, "ExitAction");
loadXMLSetting(&GCSettings.MusicVolume, "MusicVolume");
loadXMLSetting(&GCSettings.SFXVolume, "SFXVolume");
loadXMLSetting(&GCSettings.Rumble, "Rumble");
// Controller Settings
loadXMLSetting(&GCSettings.WiiControls, "WiiControls");
loadXMLController(btnmap[CTRLR_GCPAD], "gcpadmap");
loadXMLController(btnmap[CTRLR_WIIMOTE], "wmpadmap");
loadXMLController(btnmap[CTRLR_CLASSIC], "ccpadmap");
loadXMLController(btnmap[CTRLR_NUNCHUK], "ncpadmap");
loadXMLController(btnmap[CTRLR_KEYBOARD], "kbpadmap");
}
mxmlDelete(xml);
}
return result;
}
static bool
decodePalsData ()
{
bool result = false;
xml = mxmlLoadString(NULL, (char *) savebuffer, MXML_TEXT_CALLBACK);
if (xml)
{
// count number of palettes in file
loadedPalettes = 0;
item = mxmlFindElement(xml, xml, "palette", NULL, NULL, MXML_DESCEND);
for (section = mxmlFindElement(item, xml, "game", NULL, NULL,
MXML_DESCEND); section; section = mxmlFindElement(section, xml,
"game", NULL, NULL, MXML_NO_DESCEND))
{
loadedPalettes++;
}
// Allocate enough memory for all palettes in file, plus all hardcoded palettes,
// plus one new palette
if (palettes)
free(palettes);
palettes = (gamePalette *)malloc(sizeof(gamePalette)*loadedPalettes);
// Load all palettes in file, hardcoded palettes are added later
int i = 0;
for (section = mxmlFindElement(item, xml, "game", NULL, NULL,
MXML_DESCEND); section; section = mxmlFindElement(section, xml,
"game", NULL, NULL, MXML_NO_DESCEND))
{
loadXMLPaletteFromSection(palettes[i]);
i++;
}
mxmlDelete(xml);
}
return result;
}
/****************************************************************************
* 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);
if (!diropen(filepath))
{
mkdir(filepath, 0777);
sprintf(filepath, "%s%s/roms", pathPrefix[device], APPFOLDER);
mkdir(filepath, 0777);
sprintf(filepath, "%s%s/saves", pathPrefix[device], APPFOLDER);
mkdir(filepath, 0777);
}
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[4][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();
return prefFound;
}
bool SavePalettes(bool silent)
{
char filepath[1024];
int datasize;
int offset = 0;
if(prefpath[0] == 0)
return false;
sprintf(filepath, "%s/%s", prefpath, PAL_FILE_NAME);
// Now create the XML palette file
if (!silent)
ShowAction("Saving palette...");
AllocSaveBuffer();
datasize = preparePalData(palettes, loadedPalettes);
offset = SaveFile(filepath, datasize, silent);
FreeSaveBuffer();
CancelAction();
if (offset > 0)
{
if (!silent)
InfoPrompt("Palette saved");
return true;
}
return false;
}
static void AddPalette(gamePalette pal, const char *gameName, bool overwrite)
{
for (int i=0; i < loadedPalettes; i++)
if (strcmp(palettes[i].gameName, gameName)==0)
{
if (overwrite)
{
palettes[i] = pal;
strncpy(palettes[i].gameName, gameName, 17);
return;
}
else
{
return;
}
}
palettes = (gamePalette *)realloc(palettes, sizeof(gamePalette)*(loadedPalettes+1));
palettes[loadedPalettes] = pal;
strncpy(palettes[loadedPalettes].gameName, gameName, 17);
loadedPalettes++;
}
bool SavePaletteAs(bool silent, const char *name)
{
AddPalette(CurrentPalette, name, true);
return SavePalettes(silent);
}
/****************************************************************************
* Load Palettes
***************************************************************************/
bool LoadPalettes()
{
bool retval = false;
int offset = 0;
char filepath[MAXPATHLEN];
AllocSaveBuffer ();
sprintf(filepath, "%s/%s", prefpath, PAL_FILE_NAME);
offset = LoadFile(filepath, SILENT);
if (offset > 0)
retval = decodePalsData ();
FreeSaveBuffer ();
// add hard-coded palettes
for (int i=0; i<gamePalettesCount; i++)
AddPalette(gamePalettes[i], gamePalettes[i].gameName, false);
if (!retval)
retval = SavePalettes(SILENT);
return retval;
}
void SetPalette(const char *gameName)
{
// Load existing palette
int snum = -1;
for (int i = 0; i < loadedPalettes; i++)
{
if(strcmp(gameName, palettes[i].gameName)==0)
{
snum = i;
break;
}
}
// match found!
if(snum >= 0)
{
CurrentPalette = palettes[snum];
}
else
// no match, use the default palette
{
for (int i = 0; i < loadedPalettes; i++)
{
if(strcmp(gameName, "default")==0)
{
snum = i;
break;
}
}
if(snum >= 0)
{
CurrentPalette = palettes[snum];
}
else
{
CurrentPalette = palettes[0];
}
// DON'T add this game to the palette list
}
}
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