static void replace_click(GtkWidget* widget, gpointer data) {
GtkTreeIter iter;
stateheader* sh;
if (_filePath != NULL && gtk_tree_selection_get_selected(GTK_TREE_SELECTION(selection), NULL, &iter)) {
gtk_tree_model_get(GTK_TREE_MODEL(listStore), &iter, 1, &sh, -1);
GtkWidget* dialog = gtk_file_chooser_dialog_new("Replace", GTK_WINDOW(window), GTK_FILE_CHOOSER_ACTION_OPEN, GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT, NULL);
gint res = gtk_dialog_run(GTK_DIALOG(dialog));
if (res != GTK_RESPONSE_ACCEPT) {
gtk_widget_destroy(dialog);
return;
}
char* path = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
FILE* f = fopen(path, "rb");
gtk_widget_destroy(dialog);
fseek(f, 0, SEEK_END);
size_t len = ftell(f);
if (len > 65536) len = 65536; // prevent using too much memory on opening big file by accident
char* gbc_data = (char*)malloc(len);
fseek(f, 0, SEEK_SET);
size_t total_bytes_read = 0;
while (total_bytes_read < len) {
size_t bytes_read = fread(gbc_data, 1, len - total_bytes_read, f);
total_bytes_read += bytes_read;
if (bytes_read <= 0) {
error_msg("Could only read %lu bytes from %s", (unsigned long)total_bytes_read, path);
free(gbc_data);
g_free(path);
fclose(f);
return;
}
}
g_free(path);
fclose(f);
// only first X bytes will be used, where X is uncompressed size of current data
void* new_data = goomba_new_sav(loaded_file, sh, gbc_data, len);
free(gbc_data);
if (new_data == NULL) {
error_msg("%s", goomba_last_error());
} else {
memcpy(loaded_file, new_data, GOOMBA_COLOR_SRAM_SIZE);
dirty = true;
free(new_data);
header_scan();
}
}
}
bool SaveBatteryOrState(char * filepath, int action, bool silent)
{
bool result = false;
int offset = 0;
int datasize = 0; // we need the actual size of the data written
int device;
if(!FindDevice(filepath, &device))
return 0;
if(action == FILE_SNAPSHOT && gameScreenPngSize > 0)
{
char screenpath[1024];
strncpy(screenpath, filepath, 1024);
screenpath[strlen(screenpath)-4] = 0;
sprintf(screenpath, "%s.png", screenpath);
SaveFile((char *)gameScreenPng, screenpath, gameScreenPngSize, silent);
}
AllocSaveBuffer();
// put VBA memory into savebuffer, sets datasize to size of memory written
if(action == FILE_SRAM)
{
if(cartridgeType == 1)
datasize = MemgbWriteBatteryFile((char *)savebuffer);
else
datasize = MemCPUWriteBatteryFile((char *)savebuffer);
if (cartridgeType == 1) {
const char* generic_goomba_error = "Cannot save SRAM in Goomba format (did not load correctly.)";
// check for goomba sram format
char* old_sram = (char*)malloc(GOOMBA_COLOR_SRAM_SIZE);
size_t br = LoadFile(old_sram, filepath, GOOMBA_COLOR_SRAM_SIZE, true);
if (br >= GOOMBA_COLOR_SRAM_SIZE && goomba_is_sram(old_sram)) {
void* cleaned = goomba_cleanup(old_sram);
if (cleaned == NULL) {
ErrorPrompt(generic_goomba_error);
datasize = 0;
} else {
if (cleaned != old_sram) {
free(old_sram);
old_sram = (char*)cleaned;
}
stateheader* sh = stateheader_for(old_sram, RomTitle);
if (sh == NULL) {
// Game probably doesn't use SRAM
datasize = 0;
} else {
void* new_sram = goomba_new_sav(old_sram, sh, savebuffer, datasize);
if (new_sram == NULL) {
ErrorPrompt(goomba_last_error());
datasize = 0;
} else {
memcpy(savebuffer, new_sram, GOOMBA_COLOR_SRAM_SIZE);
datasize = GOOMBA_COLOR_SRAM_SIZE;
free(new_sram);
}
}
}
}
free(old_sram);
}
}
else
{
if(emulator.emuWriteMemState((char *)savebuffer, SAVEBUFFERSIZE))
datasize = *((int *)(savebuffer+4)) + 8;
}
// write savebuffer into file
if(datasize > 0)
{
offset = SaveFile(filepath, datasize, silent);
if(offset > 0)
{
if(!silent)
InfoPrompt ("Save successful");
result = true;
}
}
else
{
if(!silent)
InfoPrompt("No data to save!");
}
FreeSaveBuffer();
return result;
}
bool SaveRAM (char * filepath, bool silent)
{
bool retval = false;
int datasize = 0;
int offset = 0;
int device;
if(!FindDevice(filepath, &device))
return 0;
if(GameInfo->type == GIT_FDS)
{
if(!silent)
InfoPrompt("RAM saving is not available for FDS games!");
return false;
}
AllocSaveBuffer ();
// save game save to savebuffer
if(GameInfo->type == GIT_CART)
datasize = WiiFCEU_GameSave(&iNESCart, 0);
else if(GameInfo->type == GIT_VSUNI)
datasize = WiiFCEU_GameSave(&UNIFCart, 0);
if (datasize)
{
// Check to see if this is a PocketNES save file
FILE* file = fopen(filepath, "rb");
if (file)
{
uint32 tag;
fread(&tag, sizeof(uint32), 1, file);
fclose(file);
if (goomba_is_sram(&tag))
{
void* gba_data = malloc(GOOMBA_COLOR_SRAM_SIZE);
file = fopen(filepath, "rb");
fread(gba_data, 1, GOOMBA_COLOR_SRAM_SIZE, file);
fclose(file);
void* cleaned = goomba_cleanup(gba_data);
if (!cleaned) {
ErrorPrompt(goomba_last_error());
} else if (cleaned != gba_data) {
memcpy(gba_data, cleaned, GOOMBA_COLOR_SRAM_SIZE);
free(cleaned);
}
// Look for just one save file. If there aren't any, or there is more than one, don't read any data.
const stateheader* sh1 = NULL;
const stateheader* sh2 = NULL;
const stateheader* sh = stateheader_first(gba_data);
while (sh && stateheader_plausible(sh)) {
if (little_endian_conv_16(sh->type) != GOOMBA_SRAMSAVE) {}
else if (sh1 == NULL) {
sh1 = sh;
}
else {
sh2 = sh;
break;
}
sh = stateheader_advance(sh);
}
if (sh1 == NULL)
{
ErrorPrompt("PocketNES save file has no SRAM.");
datasize = 0;
}
else if (sh2 != NULL)
{
ErrorPrompt("PocketNES save file has more than one SRAM.");
datasize = 0;
}
else
{
char* newdata = goomba_new_sav(gba_data, sh1, savebuffer, datasize);
if (!newdata) {
ErrorPrompt(goomba_last_error());
datasize = 0;
} else {
memcpy(savebuffer, newdata, GOOMBA_COLOR_SRAM_SIZE);
datasize = GOOMBA_COLOR_SRAM_SIZE;
free(newdata);
}
}
}
}
}
if (datasize)
{
offset = SaveFile(filepath, datasize, silent);
if (offset > 0)
{
if (!silent)
InfoPrompt("Save successful");
retval = true;
}
}
else
{
if (!silent)
InfoPrompt("No data to save!");
}
FreeSaveBuffer ();
return retval;
}