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fix local favorite end of credit crash with guest

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CrazyRedMachine 2024-06-06 09:55:31 +02:00
parent 03104c4ae9
commit d17bd63f3a
2 changed files with 38 additions and 1 deletions
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1
dist/popnhax/popnhax.xml vendored
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@ -99,7 +99,6 @@
<!-- PLEASE USE OFFLINE ONLY --> <!-- PLEASE USE OFFLINE ONLY -->
<practice_mode __type="bool">0</practice_mode> <practice_mode __type="bool">0</practice_mode>
<!-- Press 9 on option select screen to go back to song selection (requires quick_retire) --> <!-- Press 9 on option select screen to go back to song selection (requires quick_retire) -->
<!-- Note: causes issues with sounds on song select -->
<back_to_song_select __type="bool">0</back_to_song_select> <back_to_song_select __type="bool">0</back_to_song_select>

38
popnhax/custom_categs.cc
View File

@ -680,6 +680,31 @@ static bool patch_custom_track_format(const char *game_dll_fn) {
return true; return true;
} }
void (*real_remove_fake_login)();
void hook_remove_fake_login()
{
//getPlayerDataAddr was just called so eax contains _playerdata_addr
__asm("push ebx\n");
__asm("push ecx\n");
__asm("lea ebx, [eax+0x1A5]\n"); //login status offset
__asm("lea ecx, [eax+0x08]\n"); //friendid offset
__asm("mov ecx, [ecx]\n");
__asm("cmp ecx, 0x61666564\n"); //defa
__asm("jne skip_remove_login\n");
__asm("lea ecx, [eax+0x0C]\n"); //friendid offset
__asm("mov ecx, [ecx]\n");
__asm("cmp ecx, 0x00746C75\n"); //ult
__asm("jne skip_remove_login\n");
//fake login detected, cleanup
__asm("mov dword ptr [ebx], 0x00000000\n");
__asm("skip_remove_login:\n");
__asm("pop ecx\n");
__asm("pop ebx\n");
real_remove_fake_login();
}
static bool patch_favorite_categ(const char *game_dll_fn) { static bool patch_favorite_categ(const char *game_dll_fn) {
DWORD dllSize = 0; DWORD dllSize = 0;
@ -722,6 +747,19 @@ static bool patch_favorite_categ(const char *game_dll_fn) {
g_playerdata_ptr_addr = (*(uint32_t *)(data + pattern_offset + 0x25)); g_playerdata_ptr_addr = (*(uint32_t *)(data + pattern_offset + 0x25));
} }
//and I need to remove the fake "logged in" status on credit end to prevent a crash
{
int64_t pattern_offset = search(data, dllSize, "\x84\xC0\x74\x07\xBB\x01\x00\x00\x00\xEB\x02\x33\xDB", 13, 0);
if (pattern_offset == -1) {
LOG("popnhax: local_favorites: cannot find end of credit check if logged function\n");
return false;
}
uint64_t patch_addr = (int64_t)data + pattern_offset - 0x05;
MH_CreateHook((LPVOID)patch_addr, (LPVOID)hook_remove_fake_login,
(void **)&real_remove_fake_login);
}
//hook result screen to replace 3 functions //hook result screen to replace 3 functions
{ {