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fix omnimix song cursor, fix pfree pplist crash

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This commit is contained in:
CrazyRedMachine 2023-09-24 23:24:48 +02:00
parent fc2fe581bd
commit ce9d18099f
1 changed files with 28 additions and 0 deletions
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28
popnhax/dllmain.cc
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@ -2227,6 +2227,13 @@ pfree_apply:
MH_CreateHook((LPVOID)patch_addr, (LPVOID)hook_pfree_pplist_inject,
(void **)&real_pfree_pplist_inject);
}
/* prevent crash when playing only customs in a credit */
{
if (!find_and_patch_hex(g_game_dll_fn, "\x0F\x8E\x5C\xFF\xFF\xFF\xEB\x04", 8, 6, "\x90\x90", 2))
{
LOG("popnhax: pfree: cannot patch end list pointer\n");
}
}
/* restore pp_list pointer so that it is freed at end of credit */
{
@ -4908,6 +4915,26 @@ void hook_pp_increment_compute()
__asm("jmp %0\n"::"m"(real_pp_increment_compute));
}
static bool patch_db_fix_cursor(){
/* bypass song id sanitizer */
{
if (!find_and_patch_hex(g_game_dll_fn, "\x0F\xB7\x06\x66\x85\xC0\x7C\x1C", 8, -5, "\x90\x90\x90\x90\x90", 5))
{
LOG("popnhax: patch_db: cannot fix cursor\n");
return false;
}
}
/* skip 2nd check */
{
if (!find_and_patch_hex(g_game_dll_fn, "\x0F\xB7\x06\x66\x85\xC0\x7C\x1C", 8, 0x1A, "\xEB", 1))
{
LOG("popnhax: patch_db: cannot fix cursor (2)\n");
return false;
}
}
return true;
}
bool patch_db_power_points()
{
DWORD dllSize = 0;
@ -5308,6 +5335,7 @@ BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserv
LOG("popnhax: patching songdb\n");
/* must be called after force_datecode */
patch_db_power_points();
patch_db_fix_cursor();
patch_database(config.force_unlocks);
}