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BetterTrackPlug/plugin/main.c

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C
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#include <vitasdk.h>
#include <taihen.h>
#define SECOND 1000000
#define SAVE_PERIOD 10
int snprintf(char *s, size_t n, const char *format, ...);
// ScePspemu
static SceUID sub_810053F8_hookid = -1;
static tai_hook_ref_t sub_810053F8_hookref = {0};
static char adrenaline_titleid[12];
static uint8_t is_pspemu_loaded = 0;
static uint8_t is_pspemu_custom_bbl = 0;
static uint8_t is_pspemu_title_written = 0;
static uint8_t is_playtime_loaded = 0;
static char playtime_bin_path[128];
static uint64_t playtime_start = 0;
static uint64_t tick_start = 0;
static void load_playtime(const char *titleid) {
snprintf(playtime_bin_path, 128, "ux0:/data/TrackPlug/%s.bin", titleid);
tick_start = sceKernelGetProcessTimeWide();
is_pspemu_title_written = 0;
SceUID fd = sceIoOpen(playtime_bin_path, SCE_O_RDONLY, 0777);
if (fd < 0) {
playtime_start = 0;
is_playtime_loaded = 1;
return;
}
sceIoRead(fd, &playtime_start, sizeof(uint64_t));
sceIoClose(fd);
is_playtime_loaded = 1;
}
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static void write_playtime() {
uint32_t playtime = playtime_start +
(sceKernelGetProcessTimeWide() - tick_start) / SECOND;
SceUID fd = sceIoOpen(playtime_bin_path,
SCE_O_WRONLY | SCE_O_CREAT | SCE_O_TRUNC, 0777);
if (fd < 0) {
return;
}
sceIoWrite(fd, &playtime, sizeof(uint64_t));
sceIoClose(fd);
}
void write_title(const char *titleid, const char *title) {
char path[128];
snprintf(path, 128, "ux0:/data/TrackPlugArchive/%s.txt", titleid);
is_pspemu_title_written = 1;
// Check if already exists
SceUID fd = sceIoOpen(path, SCE_O_RDONLY, 0777);
if (fd >= 0) {
sceIoClose(fd);
return;
}
fd = sceIoOpen(path, SCE_O_WRONLY | SCE_O_CREAT, 0777);
if (fd < 0) {
return;
}
sceIoWrite(fd, title, strlen(title));
sceIoClose(fd);
}
static int check_adrenaline() {
void *SceAdrenaline = (void *)0x73CDE000;
char *title = SceAdrenaline + 24;
char *titleid = SceAdrenaline + 152;
if (title[0] == 0 || !strncmp(title, "XMB", 3))
return 0;
// Write custom bubble Title
if (is_pspemu_custom_bbl && !is_pspemu_title_written)
write_title(adrenaline_titleid, title);
// XMB game changed?
if (!is_pspemu_custom_bbl && strncmp(adrenaline_titleid, titleid, 9)) {
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if (is_playtime_loaded)
write_playtime(); // Save closed game
is_playtime_loaded = 0;
strcpy(adrenaline_titleid, titleid);
load_playtime(titleid);
write_title(titleid, title);
return 0;
}
return 1;
}
int sub_810053F8_patched(int a1, int a2) {
char *pspemu_titleid = (char *)(a2 + 68);
// If using custom bubble
if (strncmp(pspemu_titleid, "PSPEMUCFW", 9)) {
is_pspemu_custom_bbl = 1;
strcpy(adrenaline_titleid, pspemu_titleid);
load_playtime(pspemu_titleid);
}
is_pspemu_loaded = 1;
return TAI_CONTINUE(int, sub_810053F8_hookref, a1, a2);
}
static int tracker_thread(SceSize args, void *argp) {
while (1) {
if (is_pspemu_loaded) {
// Check if XMB/game has changed, write Title if necessary
int ret = check_adrenaline();
if (!is_pspemu_custom_bbl && !ret) {
goto CONT;
}
}
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if (is_playtime_loaded) {
write_playtime();
}
CONT:
sceKernelDelayThread(SAVE_PERIOD * SECOND);
}
return sceKernelExitDeleteThread(0);
}
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void _start() __attribute__ ((weak, alias ("module_start")));
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int module_start(SceSize argc, const void *args) {
char titleid[12];
sceAppMgrAppParamGetString(0, 12, titleid, 12);
if (!strncmp(titleid, "NPXS10028", 9)) {
tai_module_info_t tai_info;
tai_info.size = sizeof(tai_module_info_t);
taiGetModuleInfo("ScePspemu", &tai_info);
sub_810053F8_hookid = taiHookFunctionOffset(
&sub_810053F8_hookref,
tai_info.modid,
0, 0x53F8, 1,
sub_810053F8_patched);
} else {
load_playtime(titleid);
}
SceUID tracker_thread_id = sceKernelCreateThread(
"TrackPlugX",
tracker_thread,
0x10000100,
0x10000,
0, 0, NULL);
if (tracker_thread_id >= 0)
sceKernelStartThread(tracker_thread_id, 0, NULL);
return SCE_KERNEL_START_SUCCESS;
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}
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int module_stop(SceSize argc, const void *args) {
if (sub_810053F8_hookid >= 0) {
taiHookRelease(sub_810053F8_hookid, sub_810053F8_hookref);
}
return SCE_KERNEL_STOP_SUCCESS;
}