ShuriZma
/
mgba
mirror of https://github.com/mgba-emu/mgba.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

GBA: Savestates can store currently used cheats

This commit is contained in:
Jeffrey Pfau 2016-01-24 17:59:45 -08:00
parent 26e9e8d63f
commit 0501944b5a
2 changed files with 34 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
src/gba/serialize.c
View File

@ -6,6 +6,7 @@
#include "serialize.h"
#include "gba/audio.h"
#include "gba/cheats.h"
#include "gba/io.h"
#include "gba/rr/rr.h"
#include "gba/supervisor/thread.h"
@ -426,6 +427,20 @@ bool GBASaveStateNamed(struct GBA* gba, struct VFile* vf, int flags) {
}
svf->close(svf);
}
struct VFile* cheatVf = 0;
if (flags & SAVESTATE_CHEATS && gba->cpu->components && gba->cpu->components[GBA_COMPONENT_CHEAT_DEVICE]) {
struct GBACheatDevice* device = (struct GBACheatDevice*) gba->cpu->components[GBA_COMPONENT_CHEAT_DEVICE];
cheatVf = VFileMemChunk(0, 0);
if (cheatVf) {
GBACheatSaveFile(device, cheatVf);
struct GBAExtdataItem item = {
.size = cheatVf->size(cheatVf),
.data = cheatVf->map(cheatVf, cheatVf->size(cheatVf), MAP_READ),
.clean = 0
};
GBAExtdataPut(&extdata, EXTDATA_CHEATS, &item);
}
};
#ifdef USE_PNG
if (!(flags & SAVESTATE_SCREENSHOT)) {
#else
@ -435,6 +450,9 @@ bool GBASaveStateNamed(struct GBA* gba, struct VFile* vf, int flags) {
struct GBASerializedState* state = vf->map(vf, sizeof(struct GBASerializedState), MAP_WRITE);
if (!state) {
GBAExtdataDeinit(&extdata);
if (cheatVf) {
cheatVf->close(cheatVf);
}
return false;
}
GBASerialize(gba, state);
@ -442,6 +460,9 @@ bool GBASaveStateNamed(struct GBA* gba, struct VFile* vf, int flags) {
vf->seek(vf, sizeof(struct GBASerializedState), SEEK_SET);
GBAExtdataSerialize(&extdata, vf);
GBAExtdataDeinit(&extdata);
if (cheatVf) {
cheatVf->close(cheatVf);
}
return true;
#ifdef USE_PNG
}
@ -502,6 +523,17 @@ bool GBALoadStateNamed(struct GBA* gba, struct VFile* vf, int flags) {
svf->close(svf);
}
}
if (flags & SAVESTATE_CHEATS && gba->cpu->components && gba->cpu->components[GBA_COMPONENT_CHEAT_DEVICE] && GBAExtdataGet(&extdata, EXTDATA_CHEATS, &item)) {
if (item.size) {
struct GBACheatDevice* device = (struct GBACheatDevice*) gba->cpu->components[GBA_COMPONENT_CHEAT_DEVICE];
struct VFile* svf = VFileFromMemory(item.data, item.size);
if (svf) {
GBACheatDeviceClear(device);
GBACheatParseFile(device, svf);
svf->close(svf);
}
}
}
GBAExtdataDeinit(&extdata);
return success;
}

2
src/gba/serialize.h
View File

@ -339,11 +339,13 @@ enum GBAExtdataTag {
EXTDATA_NONE = 0,
EXTDATA_SCREENSHOT = 1,
EXTDATA_SAVEDATA = 2,
EXTDATA_CHEATS = 3,
EXTDATA_MAX
};
#define SAVESTATE_SCREENSHOT 1
#define SAVESTATE_SAVEDATA 2
#define SAVESTATE_CHEATS 4
struct GBAExtdataItem {
int32_t size;