Popn_Tools/popnhax
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autopin

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This commit is contained in:
CrazyRedMachine 2024-07-14 23:40:15 +02:00
parent fbe248f880
commit 485c5fd65a
3 changed files with 83 additions and 0 deletions
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4
dist/popnhax/popnhax.xml vendored
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@ -24,6 +24,10 @@
<!-- Replace ingame rivals with tachi ones -->
<tachi_rivals __type="bool">0</tachi_rivals>
<!-- Player account -->
<!-- Enter pincode automatically (requires a _pincode.secret file containing your pincode as ascii (e.g. 1234)) -->
<autopin __type="bool">0</autopin>
<!-- Framerate -->
<!-- Fix animation speed at higher framerate for a smoother experience (lower visual latency) -->
<high_framerate __type="bool">0</high_framerate>

1
popnhax/config.h
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@ -36,6 +36,7 @@ struct popnhax_config {
bool tachi_scorehook;
bool tachi_scorehook_skip_omni;
bool tachi_rivals;
bool autopin;
bool patch_db;
bool disable_multiboot;

78
popnhax/dllmain.cc
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@ -219,6 +219,8 @@ PSMAP_MEMBER_REQ(PSMAP_PROPERTY_TYPE_BOOL, struct popnhax_config, high_framerate
"/popnhax/high_framerate_limiter")
PSMAP_MEMBER_REQ(PSMAP_PROPERTY_TYPE_U16, struct popnhax_config, high_framerate_fps,
"/popnhax/high_framerate_fps")
PSMAP_MEMBER_REQ(PSMAP_PROPERTY_TYPE_BOOL, struct popnhax_config, autopin,
"/popnhax/autopin")
/* removed options are now hidden as optional */
PSMAP_MEMBER_OPT(PSMAP_PROPERTY_TYPE_U8, struct popnhax_config, survival_gauge,
"/popnhax/survival_gauge", 0)
@ -4855,6 +4857,77 @@ static bool patch_fps_uncap(uint16_t fps) {
return true;
}
uint32_t g_pincode;
uint32_t g_last_enter_pincode;
void (*real_pincode)(void);
void hook_pincode()
{
__asm("push eax\n");
__asm("push ecx\n");
__asm("push edx\n");
__asm("call _timeGetTime@0\n");
__asm("sub eax, [_g_last_enter_pincode]\n");
__asm("cmp eax, 30000\n"); //30sec cooldown (will only try once)
__asm("pop edx\n");
__asm("pop ecx\n");
__asm("ja enter_pincode\n"); //skip entering pin if cooldown value not reached
__asm("pop eax\n");
__asm("jmp call_real_pincode_handling\n");
__asm("enter_pincode:\n");
__asm("add [_g_last_enter_pincode], eax"); // place curr_time in g_last_enter_pincode (cancel sub eax, [_g_last_playsram])
__asm("pop eax\n");
__asm("push eax\n");
__asm("mov eax, dword ptr [_g_pincode]\n");
__asm("mov byte ptr [esi], 4\n");
__asm("add esi, 0x30\n");
__asm("mov [esi], eax\n");
__asm("sub esi, 0x30\n");
__asm("pop eax\n");
__asm("call_real_pincode_handling:\n");
real_pincode();
}
static bool patch_autopin()
{
DWORD dllSize = 0;
char *data = getDllData(g_game_dll_fn, &dllSize);
FILE *file = fopen("_pincode.secret", "r");
char line[32];
if(file == NULL)
{
LOG("popnhax: autopin: cannot open '_pincode.secret' file\n");
return false;
}
if (!fgets(line, sizeof(line), file)){
LOG("popnhax: autopin: cannot read '_pincode.secret' file\n");
fclose(file);
return false;
}
fclose(file);
memcpy(&g_pincode, line, 4);
{
int64_t pattern_offset = search(data, dllSize, "\x33\xC4\x89\x44\x24\x14\xA1", 7, 0);
if (pattern_offset == -1) {
LOG("popnhax: autopin: cannot find pincode handling function\n");
return false;
}
uint64_t patch_addr = (int64_t)data + pattern_offset;
MH_CreateHook((LPVOID)(patch_addr), (LPVOID)hook_pincode,
(void **)&real_pincode);
}
LOG("popnhax: autopin enabled\n");
return true;
}
void (*real_song_options)();
void patch_song_options() {
__asm("mov byte ptr[ecx+0xA15], 0\n");
@ -8425,6 +8498,11 @@ BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserv
patch_tachi_rivals(g_game_dll_fn, config.tachi_scorehook);
}
if (config.autopin)
{
patch_autopin();
}
if (config.time_rate)
patch_get_time(config.time_rate/100.);