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back to song select when not in pfree mode

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CrazyRedMachine 2023-07-30 11:10:24 +02:00
parent 2e68d79f64
commit 1716103d34
1 changed files with 30 additions and 9 deletions
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39
popnhax/dllmain.cc
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@ -283,7 +283,7 @@ void quickexit_screen_transition()
else if (g_return_to_song_select)
{
__asm("mov dword ptr [edi+0x30], 0x17\n");
g_return_to_song_select = false;
//flag is set back to false in hook_stage_increment
}
real_screen_transition();
}
@ -374,10 +374,7 @@ void backtosongselect_option_screen()
__asm("shr ebx, 16\n"); // numpad9: 00 08 00 00
__asm("cmp bl, 8\n");
__asm("jne exit_back_select\n");
if (g_pfree_mode)
{
g_return_to_song_select = true;
}
g_return_to_song_select = true;
__asm("exit_back_select:\n");
@ -398,10 +395,8 @@ void backtosongselect_option_yellow()
__asm("shr ebx, 16\n"); // numpad9: 00 08 00 00
__asm("cmp bl, 8\n");
__asm("jne exit_back_select_yellow\n");
if (g_pfree_mode)
{
g_return_to_song_select = true;
}
g_return_to_song_select = true;
__asm("exit_back_select_yellow:\n");
real_option_screen_yellow();
@ -591,6 +586,16 @@ void hook_stage_update()
real_stage_update();
}
/* this hook is installed only when back_to_song_select is enabled and pfree is not */
void (*real_stage_increment)();
void hook_stage_increment()
{
if ( !g_return_to_song_select )
real_stage_increment();
else
g_return_to_song_select = false;
}
void (*real_check_music_idx)();
extern "C" void check_music_idx();
@ -1836,6 +1841,22 @@ static bool patch_quick_retire(bool pfree)
(void **)&real_stage_update);
}
/* prevent stage number increment when going back to song select without pfree */
if (config.back_to_song_select)
{
int64_t pattern_offset = search(data, dllSize, "\xFE\x46\x0E\x80", 4, 0);
if (pattern_offset == -1) {
LOG("popnhax: quick retire: cannot find stage update function\n");
return false;
}
uint64_t patch_addr = (int64_t)data + pattern_offset;
/* hook to retrieve address for exit to thank you for playing screen */
MH_CreateHook((LPVOID)patch_addr, (LPVOID)hook_stage_increment,
(void **)&real_stage_increment);
}
}
/* instant retire with numpad 9 in song */