forked from Popn_Tools/popnhax
hispeed_auto
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7
dist/popnhax/popnhax.xml
vendored
7
dist/popnhax/popnhax.xml
vendored
@ -43,6 +43,13 @@
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<!-- Display offset adjust value on score result screen (requires hidden_is_offset, won't be sent over network) -->
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<show_offset __type="bool">0</show_offset>
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<!-- Hi-speed -->
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<!-- Auto set hi-speed to match previously set BPM (0: off, 1: target higher bpm for soflan, 2: target lower bpm for soflan) -->
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<hispeed_auto __type="u8">0</hispeed_auto>
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<!-- Default target BPM, 0 to disable (requires hispeed_auto) -->
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<!-- Note: target is still updated when manually changing hi-speed (except soflan and "?" songs) -->
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<hispeed_default_bpm __type="u16">0</hispeed_default_bpm>
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<!-- Result screen display patches -->
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<!-- Display details on result screen by default (no need to press yellow button) -->
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<show_details __type="bool">0</show_details>
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@ -43,6 +43,8 @@ struct popnhax_config {
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uint8_t debounce;
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bool enhanced_polling_stats;
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int8_t enhanced_polling_priority;
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uint8_t hispeed_auto;
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uint16_t hispeed_default_bpm;
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};
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#endif
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@ -164,6 +164,10 @@ PSMAP_MEMBER_REQ(PSMAP_PROPERTY_TYPE_BOOL, struct popnhax_config, enhanced_polli
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"/popnhax/enhanced_polling_stats")
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PSMAP_MEMBER_REQ(PSMAP_PROPERTY_TYPE_S8, struct popnhax_config, enhanced_polling_priority,
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"/popnhax/enhanced_polling_priority")
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PSMAP_MEMBER_REQ(PSMAP_PROPERTY_TYPE_U8, struct popnhax_config, hispeed_auto,
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"/popnhax/hispeed_auto")
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PSMAP_MEMBER_REQ(PSMAP_PROPERTY_TYPE_U16, struct popnhax_config, hispeed_default_bpm,
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"/popnhax/hispeed_default_bpm")
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PSMAP_END
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enum BufferIndexes {
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@ -3974,6 +3978,217 @@ static bool patch_enhanced_polling_stats()
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return true;
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}
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bool g_bypass_hispeed = false; //bypass target update for mystery bpm and soflan songs
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uint32_t g_hispeed_addr = 0;
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uint32_t g_target_bpm = 0;
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bool g_mystery_bpm = 0;
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uint16_t *g_base_bpm_ptr = 0; //will point to g_low_bpm or g_hi_bpm according to mode
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uint16_t g_low_bpm = 0;
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uint16_t g_hi_bpm = 0;
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uint32_t g_hispeed = 0;
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bool g_set_hispeed_addr = false;
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void (*real_set_hispeed)();
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void hook_set_hispeed()
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{
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g_bypass_hispeed = false;
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__asm("mov %0, eax\n":"=r"(g_hispeed_addr): :);
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real_set_hispeed();
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}
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/*
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* This is called a lot of times: when arriving on option select, and when changing/navigating *any* option
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* I'm hooking here to set hi-speed to the target BPM
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*/
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double g_hispeed_double = 0;
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void (*real_read_hispeed)();
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void hook_read_hispeed()
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{
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__asm("push eax\n");
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__asm("push ecx\n");
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__asm("push edx\n");
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if ( g_bypass_hispeed ) //bypass for mystery BPM and soflan songs (to avoid hi-speed being locked since target won't change)
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__asm("jmp leave_read_hispeed\n");
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__asm("mov %0, word ptr [ebp+0xA1A]\n":"=a"(g_low_bpm): :);
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__asm("mov %0, word ptr [ebp+0xA1C]\n":"=a"(g_hi_bpm): :);
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__asm("mov %0, byte ptr [ebp+0xA1E]\n":"=a"(g_mystery_bpm): :);
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g_hispeed_double = (double)g_target_bpm / (double)(*g_base_bpm_ptr/10.0);
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g_hispeed = (uint32_t)(g_hispeed_double+0.5); //rounding to nearest
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if (g_hispeed > 0x64) g_hispeed = 0x0A;
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if (g_hispeed < 0x0A) g_hispeed = 0x64;
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__asm("mov edi, dword ptr[%0]\n"::"m"(g_hispeed)); //fix hispeed initial display on option screen
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__asm("mov eax, dword ptr[%0]\n"::"m"(g_hispeed_addr));
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__asm("mov dword ptr[eax], edi\n");
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__asm("leave_read_hispeed:\n");
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__asm("pop edx\n");
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__asm("pop ecx\n");
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__asm("pop eax\n");
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real_read_hispeed();
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}
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void (*real_increase_hispeed)();
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void hook_increase_hispeed()
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{
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__asm("push eax\n");
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__asm("push edx\n");
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__asm("push ecx\n");
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if ( g_mystery_bpm || g_low_bpm != g_hi_bpm )
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{
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g_bypass_hispeed = true;
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__asm("jmp leave_increase_hispeed\n");
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}
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//increase hispeed
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__asm("mov ecx, dword ptr[edi]\n");
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__asm("inc ecx\n");
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__asm("cmp ecx, 0x65\n");
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__asm("jb skip_hispeed_rollover_high\n");
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__asm("mov ecx, 0x0A\n");
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__asm("skip_hispeed_rollover_high:\n");
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//compute resulting bpm using exact same formula as game (base bpm in eax, multiplier in ecx)
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__asm("movsx eax, %0\n"::"m"(g_hi_bpm));
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__asm("cwde\n");
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__asm("movsx ecx,cx\n");
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__asm("imul ecx,eax\n");
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__asm("mov eax, 0x66666667\n");
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__asm("imul ecx\n");
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__asm("sar edx,2\n");
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__asm("mov eax,edx\n");
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__asm("shr eax,0x1F\n");
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__asm("add eax,edx\n");
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__asm("mov %0, eax\n":"=m"(g_target_bpm): :);
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__asm("leave_increase_hispeed:\n");
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__asm("pop ecx\n");
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__asm("pop edx\n");
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__asm("pop eax\n");
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real_increase_hispeed();
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}
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void (*real_decrease_hispeed)();
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void hook_decrease_hispeed()
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{
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__asm("push eax\n");
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__asm("push edx\n");
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__asm("push ecx\n");
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if ( g_mystery_bpm || g_low_bpm != g_hi_bpm )
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{
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g_bypass_hispeed = true;
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__asm("jmp leave_decrease_hispeed\n");
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}
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//decrease hispeed
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__asm("mov ecx, dword ptr[edi]\n");
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__asm("dec ecx\n");
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__asm("cmp ecx, 0x0A\n");
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__asm("jge skip_hispeed_rollover_low\n");
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__asm("mov ecx, 0x64\n");
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__asm("skip_hispeed_rollover_low:\n");
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//compute resulting bpm using exact same formula as game (base bpm in eax, multiplier in ecx)
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__asm("movsx eax, %0\n"::"m"(g_hi_bpm));
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__asm("cwde\n");
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__asm("movsx ecx,cx\n");
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__asm("imul ecx,eax\n");
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__asm("mov eax, 0x66666667\n");
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__asm("imul ecx\n");
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__asm("sar edx,2\n");
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__asm("mov eax,edx\n");
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__asm("shr eax,0x1F\n");
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__asm("add eax,edx\n");
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__asm("mov %0, eax\n":"=m"(g_target_bpm): :);
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__asm("leave_decrease_hispeed:\n");
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__asm("pop ecx\n");
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__asm("pop edx\n");
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__asm("pop eax\n");
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real_decrease_hispeed();
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}
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bool patch_hispeed_auto(uint8_t mode, uint16_t default_bpm)
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{
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DWORD dllSize = 0;
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char *data = getDllData(g_game_dll_fn, &dllSize);
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g_base_bpm_ptr = &g_hi_bpm;
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if (mode == 2)
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g_base_bpm_ptr = &g_low_bpm;
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g_target_bpm = default_bpm;
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/* retrieve hi-speed address */
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{
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int64_t pattern_offset = search(data, dllSize, "\x66\x89\x0C\x07\x0F\xB6\x45\x04", 8, 0);
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if (pattern_offset == -1) {
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LOG("popnhax: auto hi-speed: cannot find hi-speed address\n");
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return false;
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}
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uint64_t patch_addr = (int64_t)data + pattern_offset + 0x04;
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MH_CreateHook((LPVOID)(patch_addr), (LPVOID)hook_set_hispeed,
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(void **)&real_set_hispeed);
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}
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/* write new hispeed according to target bpm */
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{
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int64_t pattern_offset = search(data, dllSize, "\x98\x50\x66\x8B\x85\x1A\x0A\x00\x00\x8B\xCF", 11, 0);
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if (pattern_offset == -1) {
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LOG("popnhax: auto hi-speed: cannot find hi-speed apply address\n");
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return false;
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}
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uint64_t patch_addr = (int64_t)data + pattern_offset - 0x07;
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MH_CreateHook((LPVOID)(patch_addr), (LPVOID)hook_read_hispeed,
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(void **)&real_read_hispeed);
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}
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/* update target bpm on hispeed increase */
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{
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int64_t pattern_offset = search(data, dllSize, "\x66\xFF\x07\x0F\xB7\x07\x66\x83\xF8\x64", 10, 0);
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if (pattern_offset == -1) {
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LOG("popnhax: auto hi-speed: cannot find hi-speed increase\n");
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return false;
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}
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uint64_t patch_addr = (int64_t)data + pattern_offset;
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MH_CreateHook((LPVOID)(patch_addr), (LPVOID)hook_increase_hispeed,
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(void **)&real_increase_hispeed);
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}
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/* update target bpm on hispeed decrease */
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{
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int64_t pattern_offset = search(data, dllSize, "\x66\xFF\x0F\x0F\xB7\x07\x66\x83\xF8\x0A", 10, 0);
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if (pattern_offset == -1) {
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LOG("popnhax: auto hi-speed: cannot find hi-speed decrease\n");
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return false;
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}
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uint64_t patch_addr = (int64_t)data + pattern_offset;
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MH_CreateHook((LPVOID)(patch_addr), (LPVOID)hook_decrease_hispeed,
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(void **)&real_decrease_hispeed);
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}
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LOG("popnhax: auto hi-speed enabled");
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if (g_target_bpm != 0)
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LOG(" with default %hubpm", g_target_bpm);
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if (mode == 1)
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LOG(" (higher bpm target)");
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else if (mode == 2)
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LOG(" (lower bpm target)");
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LOG("\n");
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return true;
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}
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BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) {
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switch (ul_reason_for_call) {
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@ -4255,6 +4470,12 @@ BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserv
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patch_enhanced_polling_stats();
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}
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}
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if (config.hispeed_auto)
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{
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patch_hispeed_auto(config.hispeed_auto, config.hispeed_default_bpm);
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}
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#if DEBUG == 1
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patch_get_time();
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#endif
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