From 285be99caae0651f7331ba0ae1366a0ab2e9848e Mon Sep 17 00:00:00 2001 From: CrazyRedMachine Date: Sun, 8 Sep 2024 22:51:56 +0200 Subject: [PATCH] attract ex uses default hispeed_default_bpm when hispeed_auto is enabled --- popnhax/attract.cc | 114 ++++++++++++++++++++++++++++++++++----------- popnhax/attract.h | 2 +- popnhax/dllmain.cc | 4 +- 3 files changed, 90 insertions(+), 30 deletions(-) diff --git a/popnhax/attract.cc b/popnhax/attract.cc index 258dbe5..cad2fca 100644 --- a/popnhax/attract.cc +++ b/popnhax/attract.cc @@ -22,12 +22,21 @@ #include "custom_categs.h" extern const char* g_game_dll_fn; +extern uint16_t g_low_bpm; +extern uint16_t g_hi_bpm; +extern uint16_t *g_base_bpm_ptr; + +double g_attract_hispeed_double = 0; +uint32_t g_attract_hispeed = 40; //default x4.0 +uint32_t g_attract_target_bpm = 0; uint32_t g_autoplay_marker_addr = 0; uint32_t g_attract_marker_addr = 0; uint32_t g_is_button_pressed_fn = 0; uint32_t g_interactive_cooldown = 0; +uint32_t g_update_hispeed_addr = 0; //will also serve as a need_update flag + void (*real_attract)(void); void hook_ex_attract() { @@ -36,12 +45,53 @@ void hook_ex_attract() __asm("add ebx, 2\n"); __asm("mov byte ptr [ebx], 3\n"); //force EX chart_num __asm("add ebx, 8\n"); - __asm("mov byte ptr [ebx], 40\n"); // force x4.0 multiplier + __asm("push eax\n"); + __asm("mov eax, dword ptr [_g_attract_hispeed]\n"); + __asm("mov byte ptr [ebx], al\n"); //still set default value in case target bpm patch failed + __asm("mov dword ptr [_g_update_hispeed_addr], ebx\n"); + __asm("pop eax\n"); __asm("pop ebx\n"); real_attract(); } -bool patch_ex_attract() +void (*real_chart_prepare)(void); +void hook_ex_attract_hispeed() +{ + __asm("push eax\n"); + __asm("push ecx\n"); + __asm("push edx\n"); + + __asm("mov word ptr [_g_hi_bpm], si\n"); + __asm("mov word ptr [_g_low_bpm], dx\n"); + + __asm("cmp dword ptr [_g_attract_target_bpm], 0\n"); + __asm("je skip_hispeed_compute\n"); + + g_attract_hispeed_double = (double)g_attract_target_bpm / (double)(*g_base_bpm_ptr/10.0); + g_attract_hispeed = (uint32_t)(g_attract_hispeed_double+0.5); //rounding to nearest + if (g_attract_hispeed > 0x64) g_attract_hispeed = 0x64; + if (g_attract_hispeed < 0x0A) g_attract_hispeed = 0x0A; + + __asm("push eax\n"); + __asm("push ebx\n"); + __asm("mov ebx, dword ptr [_g_update_hispeed_addr]\n"); + __asm("cmp ebx, 0\n"); + __asm("je skip_hispeed_apply\n"); + __asm("mov eax, dword ptr [_g_attract_hispeed]\n"); + __asm("mov byte ptr [ebx], al\n"); + __asm("mov dword ptr [_g_update_hispeed_addr], 0\n"); + __asm("skip_hispeed_apply:\n"); + __asm("pop ebx\n"); + __asm("pop eax\n"); + + __asm("skip_hispeed_compute:\n"); + __asm("pop edx\n"); + __asm("pop ecx\n"); + __asm("pop eax\n"); + real_chart_prepare(); +} + +bool patch_ex_attract(uint16_t target_bpm) { DWORD dllSize = 0; char *data = getDllData(g_game_dll_fn, &dllSize); @@ -58,6 +108,25 @@ bool patch_ex_attract() MH_CreateHook((LPVOID)patch_addr, (LPVOID)hook_ex_attract, (void **)&real_attract); } + + if ( target_bpm != 0 ) + { + g_attract_target_bpm = target_bpm; + int64_t pattern_offset = search(data, dllSize, "\x43\x83\xC1\x0C\x83\xEF\x01\x75", 8, 0); + if (pattern_offset == -1) { + LOG("WARNING: attract_ex: cannot find chart prepare function (cannot set target bpm)\n"); + return true; + } + + uint64_t patch_addr = (int64_t)data + pattern_offset + 0x0A; + + MH_CreateHook((LPVOID)patch_addr, (LPVOID)hook_ex_attract_hispeed, + (void **)&real_chart_prepare); + + LOG("popnhax: attract mode will play EX charts at %u bpm\n", target_bpm); + return true; + } + LOG("popnhax: attract mode will play EX charts at 4.0x hispeed\n"); return true; } @@ -158,6 +227,7 @@ bool patch_attract_interactive() DWORD dllSize = 0; char *data = getDllData(g_game_dll_fn, &dllSize); + /* retrieve autoplay marker address */ { int64_t pattern_offset = search(data, dllSize, "\x33\xC4\x89\x44\x24\x0C\x56\x57\x53\xE8", 10, 0); if (pattern_offset == -1) { @@ -169,9 +239,11 @@ bool patch_attract_interactive() uint32_t function_offset = *((uint32_t*)(patch_addr+0x01)); uint64_t function_addr = patch_addr+5+function_offset; - - g_autoplay_marker_addr = *((uint32_t*)(function_addr+0x02)); - } + + g_autoplay_marker_addr = *((uint32_t*)(function_addr+0x02)); + } + + /* retrieve attract demo marker address */ { int64_t pattern_offset = search(data, dllSize, "\x00\x00\x88\x46\x18\x88\x46", 7, 0); if (pattern_offset == -1) { @@ -183,12 +255,7 @@ bool patch_attract_interactive() MH_CreateHook((LPVOID)patch_addr, (LPVOID)hook_retrieve_attractmarker, (void **)&real_rearm_marker); - - } - //bad version - //g_attract_marker_addr = g_autoplay_marker_addr - 0x105; //TODO: check other versions peace ya 8 de moins - //exit(0); - + } /* enable interactive mode on button press (except red) */ { @@ -210,7 +277,6 @@ bool patch_attract_interactive() uint64_t patch_addr = (int64_t)data + pattern_offset + 0x02; MH_CreateHook((LPVOID)patch_addr, (LPVOID)hook_attract_inter, (void **)&real_attract_inter); - } /* disable interactive mode after a while without button press */ @@ -244,27 +310,21 @@ bool patch_attract_interactive() LOG("popnhax: attract_interactive: cannot find attract mode timer set function\n"); return false; } - int64_t pattern_offset2 = search(data, dllSize-pattern_offset, "\x66\x85\xC0\x74", 4, pattern_offset); + + int64_t pattern_offset2 = search(data, dllSize-pattern_offset, "\x66\x85\xC0\x74", 4, pattern_offset); if (pattern_offset2 == -1) { - LOG("popnhax: attract_interactive: cannot find end of song handling function\n"); //TODO: FIX FOR PEACE and maybe other + LOG("popnhax: attract_interactive: cannot find end of song handling function\n"); return false; } - uint64_t patch_addr = (int64_t)data + pattern_offset2 + 0x05; + uint64_t patch_addr = (int64_t)data + pattern_offset2 + 0x05; - MH_CreateHook((LPVOID)patch_addr, (LPVOID)hook_attract_inter_songend_rearm, + MH_CreateHook((LPVOID)patch_addr, (LPVOID)hook_attract_inter_songend_rearm, (void **)&real_songend_handling); - /* mauvais endroit, commun à attract et regular (par contre dans cette zone faudra reset le marker autoplay quand on arrive en fin de song pour pas crash) - a partir de pattern offset, on cherche 74 0B 89 2D + 0x02 , idem on check si 01 01 auquel cas on remet autoplay à 1 - 19 3d - uint64_t patch_addr = (int64_t)data + pattern_offset - 0x1B; - MH_CreateHook((LPVOID)patch_addr, (LPVOID)hook_attract_inter, - (void **)&real_attract_inter); -*/ } - - /* fix crash when pressing test button during interactive mode */ - { + + /* fix crash when pressing test button during interactive mode */ + { int64_t pattern_offset = search(data, dllSize, "\x83\xC4\x04\x84\xC0\x74\x75\x38\x1D", 9, 0); if (pattern_offset == -1) { LOG("popnhax: attract_interactive: cannot find test button handling\n"); @@ -276,7 +336,7 @@ bool patch_attract_interactive() MH_CreateHook((LPVOID)patch_addr, (LPVOID)hook_attract_inter_rearm_test, (void **)&real_test_handling); } - + LOG("popnhax: attract mode is interactive\n"); return true; diff --git a/popnhax/attract.h b/popnhax/attract.h index a92ed58..fac5d48 100644 --- a/popnhax/attract.h +++ b/popnhax/attract.h @@ -5,7 +5,7 @@ #include "popnhax/config.h" bool patch_attract_interactive(); -bool patch_ex_attract(); +bool patch_ex_attract(uint16_t target_bpm); bool patch_full_attract(); #endif diff --git a/popnhax/dllmain.cc b/popnhax/dllmain.cc index 0668a02..47ee152 100644 --- a/popnhax/dllmain.cc +++ b/popnhax/dllmain.cc @@ -418,10 +418,10 @@ uint32_t g_soflan_retry_hispeed = 0; //hispeed value that is temporary kept for uint32_t g_hispeed_addr = 0; uint32_t g_target_bpm = 0; uint32_t g_default_bpm = 0; //used to rearm between credits -uint16_t *g_base_bpm_ptr = 0; //will point to g_low_bpm or g_hi_bpm according to mode uint16_t g_low_bpm = 0; uint16_t g_hi_bpm = 0; uint16_t g_longest_bpm = 0; +uint16_t *g_base_bpm_ptr = &g_hi_bpm; //will point to g_low_bpm or g_longest_bpm according to mode uint32_t g_low_bpm_ebp_offset = 0; unsigned char *g_chart_addr = 0; @@ -8650,7 +8650,7 @@ BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserv if (config.attract_ex) { - patch_ex_attract(); + patch_ex_attract( config.hispeed_auto ? config.hispeed_default_bpm : 0 ); } if (config.attract_full) {