Popn_Tools/popnhax
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quick retry

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CrazyRedMachine 2023-03-13 01:10:02 +01:00
parent efc33bde8d
commit 42c247c7b0
2 changed files with 196 additions and 23 deletions
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12
dist/popnhax/popnhax.xml vendored
View File

@ -2,18 +2,24 @@
<popnhax>
<!-- Hidden+ setting (press 0 for advanced options) is now an offset adjust (negative means you have to hit earlier) -->
<hidden_is_offset __type="bool">0</hidden_is_offset>
<!-- Premium free (unlimited stages per credit) -->
<pfree __type="bool">0</pfree>
<!-- Press numpad 9 to exit song, or on result screen to exit session (great for pfree!) -->
<!-- Press numpad 9 in song to retire instantly, or on result screen to leave game session (thank you for playing) -->
<!-- quick_retire with pfree also enables quick retry: hold numpad 7 to retry -->
<quick_retire __type="bool">0</quick_retire>
<!-- HD timing for pcb_type=0 -->
<force_hd_timing __type="bool">0</force_hd_timing>
<!-- HD resolution for pcb_type=0 (0: no, 1: keep texts as on HD cab (smaller LCD mod), 2: center texts (32" LCD mod) ) -->
<force_hd_resolution __type="u8">0</force_hd_resolution>
<!-- Force unlock music, charts, and characters -->
<force_unlocks __type="bool">0</force_unlocks>
<!-- Force unlock deco parts (avoid using this on later games without deco) -->
<force_unlock_deco __type="bool">0</force_unlock_deco>
<!-- Prevent Windows volume from being reset on boot -->
<unset_volume __type="bool">0</unset_volume>
<!-- Force booting directly into event mode -->
@ -37,13 +43,13 @@
<!-- DEBUG OPTIONS FOLLOW (GENERALLY SHOULD NOT BE CHANGED) -->
<!-- Force a different datecode than the one found in ea3-config -->
<!-- Force a different datecode than the one found in ea3-config (yyyymmdd00) -->
<force_datecode __type="str"></force_datecode>
<!-- Offset the keysounds by x ms (negative is earlier) -->
<keysound_offset __type="s8">0</keysound_offset>
<!-- Adjust pop-kun and beam brightness (won't affect long popkuns) -->
<beam_brightness __type="s8">0</beam_brightness>
<!-- Disable the builtin frame limiter (smoother animations at 120fps+) -->
<!-- Disable the builtin frame limiter (faster/smoother animations at 120fps+) -->
<fps_uncap __type="bool">0</fps_uncap>
<!-- Force the newly created buffers to be the same size as the original buffers -->
<disable_expansions __type="bool">0</disable_expansions>

207
popnhax/dllmain.cc
View File

@ -188,6 +188,77 @@ void omnimix_patch_jbx() {
real_omnimix_patch_jbx();
}
bool g_return_to_options = false;
void (*real_screen_transition)();
void quickexit_screen_transition()
{
if (g_return_to_options)
{
__asm("mov dword ptr [esi+0x30], 0x1C\n");
//flag is set back to false in the option select screen after score cleanup
}
real_screen_transition();
}
uint32_t g_score_addr = 0;
void (*real_retrieve_score)();
void quickretry_retrieve_score()
{
__asm("mov %0, esi\n":"=S"(g_score_addr): :);
real_retrieve_score();
}
uint32_t g_startsong_addr = 0;
void quickexit_option_screen_cleanup()
{
if (g_return_to_options)
{
/* we got here from quickretry, cleanup score */
__asm("push ecx\n");
__asm("push esi\n");
__asm("push edi\n");
__asm("mov edi, %0\n": :"D"(g_score_addr));
__asm("mov esi, edi\n");
__asm("add esi, 0x560\n");
__asm("mov ecx, 0x98\n");
__asm("rep movsd\n");
__asm("pop edi\n");
__asm("pop esi\n");
__asm("pop ecx\n");
g_return_to_options = false;
}
}
void (*real_option_screen)();
void quickexit_option_screen()
{
quickexit_option_screen_cleanup();
__asm("push ebx\n");
__asm("mov ebx, dword ptr [0x12345678]\n"); /* placeholder value, will be set to addr_icca afterwards */
__asm("add ebx, 0xAC\n");
__asm("mov ebx, [ebx]\n");
__asm("shr ebx, 24\n");
__asm("cmp bl, 8\n");
__asm("pop ebx\n");
__asm("jne real_option_screen\n");
/* numpad 7 is held, rewrite transition pointer */
__asm("pop edi\n");
__asm("pop ecx\n");
__asm("pop edx\n");
__asm("xor edx, edx\n");
__asm("mov ecx, %0\n": :"c"(g_startsong_addr));
__asm("push edx\n");
__asm("push ecx\n");
__asm("push edi\n");
__asm("real_option_screen:\n");
real_option_screen();
}
bool g_pfree_mode = false;
void (*real_game_loop)();
void quickexit_game_loop()
{
@ -195,12 +266,25 @@ void quickexit_game_loop()
__asm("mov ebx, dword ptr [0x12345678]\n"); /* placeholder value, will be set to addr_icca afterwards */
__asm("add ebx, 0xAC\n");
__asm("mov ebx, [ebx]\n");
__asm("shr ebx, 16\n");
__asm("shr ebx, 16\n"); // numpad9: 00 08 00 00
__asm("cmp bl, 8\n");
__asm("je leave_song\n");
__asm("shr ebx, 8\n"); // numpad7: 08 00 00 00
__asm("cmp bl, 8\n");
__asm("jne call_real\n");
/* numpad 7 is pressed: quick retry if pfree is active */
if (!g_pfree_mode)
__asm("jmp call_real\n");
g_return_to_options = true;
/* numpad 7 or 9 is pressed */
__asm("leave_song:\n");
__asm("mov eax, 1\n");
__asm("pop ebx\n");
__asm("ret\n");
/* no quick exit */
__asm("call_real:\n");
__asm("pop ebx\n");
real_game_loop();
@ -288,25 +372,14 @@ void hidden_is_offset_commit_options()
}
void (*real_stage_update)();
void hook_stage_update_pfree()
{
//__asm("push ebx\n"); //handled by :"=b"
__asm("mov ebx, dword ptr [esi+0x14]\n");
__asm("lea ebx, [ebx+0xC]\n");
__asm("mov %0, ebx\n":"=b"(g_transition_addr): :);
//__asm("pop ebx\n");
//__asm("ret\n");
}
void hook_stage_update()
{
//__asm("push ebx\n"); //handled by :"=b"
__asm("mov ebx, dword ptr [esi+0x14]\n");
__asm("lea ebx, [ebx+0xC]\n");
__asm("mov %0, ebx\n":"=b"(g_transition_addr): :);
//__asm("pop ebx\n");
//__asm("ret\n");
real_stage_update();
if (!g_pfree_mode)
real_stage_update();
}
void (*real_check_music_idx)();
@ -1556,7 +1629,7 @@ static bool patch_pfree() {
g_stage_addr = *(uint32_t*)(patch_addr+1);
/* hook to retrieve address for exit to thank you for playing screen */
MH_CreateHook((LPVOID)patch_addr, (LPVOID)hook_stage_update_pfree,
MH_CreateHook((LPVOID)patch_addr, (LPVOID)hook_stage_update,
(void **)&real_stage_update);
}
@ -1686,8 +1759,7 @@ static bool patch_quick_retire(bool pfree)
if ( !pfree )
{
/* hook the stage counter function to retrieve stage and transition addr for quick exit session
* (when pfree is active it's taking care of hooking that function differently to prevent stage from incrementing)
/* pfree already installs this hook
*/
{
fuzzy_search_task task;
@ -1710,7 +1782,7 @@ static bool patch_quick_retire(bool pfree)
}
}
/* hook numpad for instant quit song */
/* instant retire with numpad 9 in song */
{
fuzzy_search_task task;
@ -1739,7 +1811,7 @@ static bool patch_quick_retire(bool pfree)
(void **)&real_game_loop);
}
/* hook numpad in result screen to quit pfree */
/* instant exit with numpad 9 on result screen */
{
fuzzy_search_task task;
@ -1769,6 +1841,100 @@ static bool patch_quick_retire(bool pfree)
}
printf("popnhax: quick retire enabled\n");
/* retrieve songstart function pointer for quick retry */
{
fuzzy_search_task task;
FUZZY_START(task, 1)
FUZZY_CODE(task, 0, "\xE9\x0C\x01\x00\x00\x8B\x85\x10\x0A\x00\x00", 11)
int64_t pattern_offset = find_block(data, dllSize, &task, 0);
if (pattern_offset == -1) {
printf("popnhax: quick retry: cannot retrieve song start function\n");
return false;
}
uint64_t patch_addr = (int64_t)data + pattern_offset - 4;
g_startsong_addr = *(uint32_t*)(patch_addr);
}
/* instant retry (go back to option select) with numpad 7 */
{
/* retrieve current stage score addr for cleanup */
fuzzy_search_task task;
FUZZY_START(task, 1)
FUZZY_CODE(task, 0, "\xF3\xA5\x5F\x5E\x5B\xC2\x04\x00", 8)
int64_t pattern_offset = find_block(data, dllSize, &task, 0);
if (pattern_offset == -1) {
printf("popnhax: quick retry: cannot retrieve score addr\n");
return false;
}
uint64_t patch_addr = (int64_t)data + pattern_offset - 5;
MH_CreateHook((LPVOID)patch_addr, (LPVOID)quickretry_retrieve_score,
(void **)&real_retrieve_score);
}
{
/* hook quick retire transition to go back to option select instead */
fuzzy_search_task task;
FUZZY_START(task, 1)
FUZZY_CODE(task, 0, "\x6A\x01\x8B\xCE\xFF\xD0\xE8", 7)
int64_t pattern_offset = find_block(data, dllSize, &task, 0);
if (pattern_offset == -1) {
printf("popnhax: quick retry: cannot retrieve screen transition function\n");
return false;
}
uint64_t patch_addr = (int64_t)data + pattern_offset;
MH_CreateHook((LPVOID)patch_addr, (LPVOID)quickexit_screen_transition,
(void **)&real_screen_transition);
}
/* instant launch song with numpad 7 on option select (hold 7 during song for quick retry) */
{
fuzzy_search_task task;
FUZZY_START(task, 1)
FUZZY_CODE(task, 0, "\x51\x50\x8B\x83\x0C\x0A\x00\x00\xEB\x09\x33\xD2", 12)
int64_t pattern_offset = find_block(data, dllSize, &task, 0);
if (pattern_offset == -1) {
printf("popnhax: quick retry: cannot retrieve option screen loop\n");
return false;
}
uint32_t addr_icca;
if (!get_addr_icca(&addr_icca))
{
printf("popnhax: quick retry: cannot retrieve ICCA address for numpad hook\n");
return false;
}
int64_t quickexitaddr = (int64_t)&quickexit_option_screen;
uint8_t *patch_str = (uint8_t*) quickexitaddr;
uint8_t placeholder_offset = 0;
while (patch_str[placeholder_offset+0] != 0x78
|| patch_str[placeholder_offset+1] != 0x56
|| patch_str[placeholder_offset+2] != 0x34
|| patch_str[placeholder_offset+3] != 0x12)
placeholder_offset++;
patch_memory(quickexitaddr+placeholder_offset, (char *)&addr_icca, 4);
uint64_t patch_addr = (int64_t)data + pattern_offset + 12 + 5 + 2;
MH_CreateHook((LPVOID)patch_addr, (LPVOID)quickexit_option_screen,
(void **)&real_option_screen);
}
printf("popnhax: quick retry enabled\n");
return true;
}
@ -2122,6 +2288,7 @@ BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserv
}
if (config.pfree) {
g_pfree_mode = true; /* used by asm hook */
patch_pfree();
}