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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program 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 2
* of the License, or (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#include "gbampsave.h"
#include "fat/gba_nds_fat.h"
#include "backends/fs/ds/ds-fs.h"
#include "common/config-manager.h"
/////////////////////////
// GBAMP Save File
/////////////////////////
GBAMPSaveFile::GBAMPSaveFile(char* name, bool saveOrLoad) {
handle = DS::std_fopen(name, saveOrLoad? "w": "r");
// consolePrintf("%s handle is %d\n", name, handle);
// consolePrintf("Created %s\n", name);
bufferPos = 0;
saveSize = 0;
flushed = 0;
}
GBAMPSaveFile::~GBAMPSaveFile() {
flushSaveBuffer();
if (handle) DS::std_fclose(handle);
// consolePrintf("Closed file\n");
}
uint32 GBAMPSaveFile::read(void *buf, uint32 size) {
saveSize += size;
// consolePrintf("Read %d %d ", size, saveSize);
return DS::std_fread(buf, 1, size, handle);
}
bool GBAMPSaveFile::eos() const {
return DS::std_feof(handle);
}
bool GBAMPSaveFile::skip(uint32 bytes) {
return DS::std_fseek(handle, bytes, SEEK_CUR) == 0;
}
void GBAMPSaveFile::flushSaveBuffer() {
if (bufferPos != 0) {
// consolePrintf("Flushing %d bytes from %x\n", bufferPos, buffer);
flushed += bufferPos;
DS::std_fwrite(buffer, 1, bufferPos, handle);
bufferPos = 0;
}
}
int32 GBAMPSaveFile::pos() const {
return DS::std_ftell(handle);
}
int32 GBAMPSaveFile::size() const {
int position = pos();
DS::std_fseek(handle, 0, SEEK_END);
int size = DS::std_ftell(handle);
DS::std_fseek(handle, position, SEEK_SET);
return size;
}
bool GBAMPSaveFile::seek(int32 pos, int whence) {
return DS::std_fseek(handle, pos, whence) == 0;
}
uint32 GBAMPSaveFile::write(const void *buf, uint32 size) {
if (bufferPos + size > SAVE_BUFFER_SIZE) {
flushSaveBuffer();
saveSize += size;
// consolePrintf("Writing %d bytes from %x", size, buf);
// DS::std_fwrite(buf, 1, size, handle);
memcpy(buffer + bufferPos, buf, size);
bufferPos += size;
saveSize += size;
/* int pos = 0;
int rest = SAVE_BUFFER_SIZE - bufferPos;
memcpy(buffer + bufferPos, buf, rest);
bufferPos = 512;
pos += rest;
flushSaveBuffer();
size -= rest;
// consolePrintf("First section: %d\n", rest);
while (size >= 512) {
DS::std_fwrite(((char *) (buf)) + pos, 1, 512, handle);
size -= 512;
pos += 512;
// consolePrintf("Full chunk, %d left ", size);
}
bufferPos = 0;
memcpy(buffer + bufferPos, ((char *) (buf)) + pos, size);
bufferPos += size;
// consolePrintf("%d left in buffer ", bufferPos);*/
} else {
memcpy(buffer + bufferPos, buf, size);
bufferPos += size;
saveSize += size;
}
// if ((size > 100) || (size <= 0)) consolePrintf("Write %d bytes\n", size);
return size;
}
//////////////////////////
// GBAMP Save File Manager
//////////////////////////
GBAMPSaveFileManager::GBAMPSaveFileManager() {
}
GBAMPSaveFileManager::~GBAMPSaveFileManager() {
}
GBAMPSaveFile *GBAMPSaveFileManager::openSavefile(const char *name, bool saveOrLoad) {
char fileSpec[128];
strcpy(fileSpec, getSavePath());
if (fileSpec[strlen(fileSpec) - 1] == '/') {
sprintf(fileSpec, "%s%s", getSavePath(), name);
} else {
sprintf(fileSpec, "%s/%s", getSavePath(), name);
}
// consolePrintf("Opening the file: %s\n", fileSpec);
GBAMPSaveFile *sf = new GBAMPSaveFile(fileSpec, saveOrLoad);
if (sf->isOpen()) {
// consolePrintf("Ok");
return sf;
} else {
// consolePrintf("Fail");
delete sf;
return NULL;
}
}
// This method copied from an old version of the savefile.cpp, since it's been removed from there and
// placed in default-saves.cpp, where I cannot call it.
// FIXME: Does it even make sense to change the "savepath" on the NDS? Considering
// that nothing sets a default value for the "savepath" either, wouldn't it better
// to return a fixed path here?
const char *GBAMPSaveFileManager::getSavePath() const {
// Try to use game specific savepath from config
const char *dir = ConfMan.get("savepath").c_str();
assert(dir);
return dir;
}
Common::StringArray GBAMPSaveFileManager::listSavefiles(const Common::String &pattern) {
enum { TYPE_NO_MORE = 0, TYPE_FILE = 1, TYPE_DIR = 2 };
char name[256];
{
char dir[128];
strcpy(dir, getSavePath());
char *realName = dir;
if ((strlen(dir) >= 4) && (dir[0] == 'm') && (dir[1] == 'p') && (dir[2] == ':') && (dir[3] == '/')) {
realName += 4;
}
// consolePrintf("Real cwd:%d\n", realName);
char* p = realName;
while (*p) {
if (*p == '\\') *p = '/';
p++;
}
// consolePrintf("Real cwd:%d\n", realName);
FAT_chdir(realName);
}
// consolePrintf("Save path: '%s', pattern: '%s'\n", getSavePath(), pattern);
int fileType = FAT_FindFirstFileLFN(name);
Common::StringArray list;
do {
if (fileType == TYPE_FILE) {
FAT_GetLongFilename(name);
for (int r = 0; name[r] != 0; r++) {
name[r] = tolower(name[r]);
}
if (Common::matchString(name, pattern.c_str())) {
list.push_back(name);
}
}
} while ((fileType = FAT_FindNextFileLFN(name)));
FAT_chdir("/");
return list;
}
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