mirror of
https://github.com/CrazyRedMachine/popnhax.git
synced 2024-11-24 06:10:12 +01:00
auto hispeed soflan retry
This commit is contained in:
parent
2535fba8d6
commit
4706d117a1
@ -31,7 +31,7 @@
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#include "SearchFile.h"
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#define PROGRAM_VERSION "1.9c_rc1"
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#define PROGRAM_VERSION "1.10.dev"
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const char *g_game_dll_fn = NULL;
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const char *g_config_fn = NULL;
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@ -285,6 +285,441 @@ void omnimix_patch_jbx() {
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real_omnimix_patch_jbx();
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}
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/*
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* auto hi-speed
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*/
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bool g_longest_bpm_old_chart = false;
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bool g_bypass_hispeed = false; //bypass target update for mystery bpm and soflan songs
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bool g_mystery_bpm = false;
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bool g_soflan_retry = false;
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uint32_t g_hispeed = 0;
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uint32_t g_soflan_retry_hispeed = 0; //hispeed value that is temporary kept for quick retry on 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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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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uint16_t g_longest_bpm = 0;
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uint16_t g_low_bpm_ebp_offset = 0;
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unsigned char *g_chart_addr = 0;
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typedef struct chart_chunk_s {
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uint32_t timestamp;
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uint16_t operation;
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uint16_t data;
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uint32_t duration;
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} chart_chunk_t;
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#define CHART_OP_BPM 0x0445
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#define CHART_OP_END 0x0645
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typedef struct bpm_list_s {
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uint16_t bpm;
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uint32_t duration;
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struct bpm_list_s *next;
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} bpm_list_t;
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static uint32_t add_duration(bpm_list_t *list, uint16_t bpm, uint32_t duration)
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{
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if (list->bpm == 0)
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{
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list->bpm = bpm;
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list->duration = duration;
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return duration;
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}
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while (list->next != NULL)
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{
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if (list->bpm == bpm)
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{
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list->duration += duration;
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return list->duration;
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}
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list = list->next;
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}
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//new entry
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bpm_list_t *entry = (bpm_list_t *)malloc(sizeof(bpm_list_t));
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entry->bpm = bpm;
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entry->duration = duration;
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entry->next = NULL;
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list->next = entry;
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return duration;
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}
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static void destroy_list(bpm_list_t *list)
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{
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while (list != NULL)
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{
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bpm_list_t *tmp = list;
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list = list->next;
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free(tmp);
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}
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}
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/* the goal is to set g_longest_bpm to the most used bpm from the chart present in memory at address g_chart_addr
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*/
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void compute_longest_bpm(){
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chart_chunk_t* chunk = NULL;
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unsigned char *chart_ptr = g_chart_addr;
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int chunk_size = g_longest_bpm_old_chart? 8 : 12;
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uint32_t prev_timestamp = 0x64; //game adds 0x64 to every timestamp of a chart upon loading
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uint16_t prev_bpm = 0;
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bpm_list_t *list = (bpm_list_t *)malloc(sizeof(bpm_list_t));
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list->bpm = 0;
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list->duration = 0;
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list->next = NULL;
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uint32_t max_duration = 0;
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uint16_t longest_bpm = 0;
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do {
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chunk = (chart_chunk_t*) chart_ptr;
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if ( chunk->operation == CHART_OP_BPM || chunk->operation == CHART_OP_END )
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{
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if (prev_bpm)
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{
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uint32_t bpm_dur = add_duration(list, prev_bpm, chunk->timestamp - prev_timestamp); //will add to existing entry or create a new one if not present
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if (bpm_dur > max_duration)
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{
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max_duration = bpm_dur;
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longest_bpm = prev_bpm;
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}
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}
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prev_bpm = chunk->data;
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prev_timestamp = chunk->timestamp;
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}
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chart_ptr += chunk_size;
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} while ( chunk->operation != CHART_OP_END );
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destroy_list(list);
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g_longest_bpm = longest_bpm;
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}
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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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void (*real_retrieve_chart_addr)();
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void hook_retrieve_chart_addr()
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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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__asm("mov %0, esi\n":"=a"(g_chart_addr): :);
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__asm("call %0\n"::"r"(compute_longest_bpm));
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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_retrieve_chart_addr();
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}
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void (*real_retrieve_chart_addr_old)();
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void hook_retrieve_chart_addr_old()
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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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__asm("mov %0, edi\n":"=a"(g_chart_addr): :);
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__asm("call %0\n"::"r"(compute_longest_bpm));
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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_retrieve_chart_addr_old();
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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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__asm("mov ecx, ebp\n");
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__asm("add cx, word ptr [%0]\n"::"a"(&g_low_bpm_ebp_offset));
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__asm __volatile__("mov %0, word ptr [ecx]\n":"=a"(g_low_bpm): :);
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__asm("add cx, 2\n");
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__asm __volatile__("mov %0, word ptr [ecx]\n":"=a"(g_hi_bpm): :);
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__asm("add cx, 2\n");
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__asm __volatile__("mov %0, byte ptr [ecx]\n":"=a"(g_mystery_bpm): :);
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if (g_soflan_retry && ( g_mystery_bpm || g_low_bpm != g_hi_bpm ))
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{
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g_hispeed = g_soflan_retry_hispeed;
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__asm("jmp apply_hispeed\n");
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}
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if ( g_bypass_hispeed || g_target_bpm == 0 ) //bypass for mystery BPM and soflan songs once hispeed has been manually changed (to avoid hi-speed being locked since target won't change)
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{
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__asm("jmp leave_read_hispeed\n");
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}
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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 = 0x64;
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if (g_hispeed < 0x0A) g_hispeed = 0x0A;
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__asm("apply_hispeed:\n");
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__asm("and edi, 0xFFFF0000\n"); //keep existing popkun and hidden status values
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__asm("or 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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//increase hispeed
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__asm("movzx ecx, word 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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if ( g_mystery_bpm || g_low_bpm != g_hi_bpm )
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{
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__asm("mov %0, ecx\n":"=m"(g_soflan_retry_hispeed):);
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g_soflan_retry = false;
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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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//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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//decrease hispeed
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__asm("movzx ecx, word 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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if ( g_mystery_bpm || g_low_bpm != g_hi_bpm )
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{
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__asm("mov %0, ecx\n":"=m"(g_soflan_retry_hispeed):);
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g_bypass_hispeed = true;
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g_soflan_retry = false;
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__asm("jmp leave_decrease_hispeed\n");
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}
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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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void (*real_leave_options)();
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void retry_soflan_reset()
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{
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g_soflan_retry = false;
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real_leave_options();
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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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else if (mode == 3)
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g_base_bpm_ptr = &g_longest_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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/* improve compatibility with newer games */
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int64_t pattern_offset = search(data, dllSize, "\xEB\x57\x8B\xBC\x24\x50\x01\x00\x00\x66\x8B\x85", 12, 0);
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if (pattern_offset == -1) {
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LOG("popnhax: auto hi-speed: cannot find chart BPM address offset\n");
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return false;
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}
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uint64_t patch_addr = (int64_t)data + pattern_offset + 0x1C;
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g_low_bpm_ebp_offset = *((uint16_t *)(patch_addr));
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if (g_low_bpm_ebp_offset != 0x0A1A && g_low_bpm_ebp_offset != 0x0A1E)
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{
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LOG("popnhax: auto hi-speed: WARNING: unexpected BPM address offset (%hu), might not work\n", g_low_bpm_ebp_offset);
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}
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pattern_offset = search(data, dllSize, "\x98\x50\x66\x8B\x85", 5, 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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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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/* set g_soflan_retry back to false when leaving options */
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{
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int64_t first_loc = search(data, dllSize, "\x0A\x00\x00\x83\xC0\x04\xBF\x0C\x00\x00\x00\xE8", 12, 0);
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if (first_loc == -1) {
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LOG("popnhax: auto hi-speed: cannot retrieve option screen loop function\n");
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return false;
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}
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int64_t pattern_offset = search(data, 1000, "\x33\xC9\x51\x50\x8B", 5, first_loc);
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if (pattern_offset == -1) {
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LOG("popnhax: auto hi-speed: cannot retrieve option screen leave\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)retry_soflan_reset,
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(void **)&real_leave_options);
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}
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/* compute longest bpm for mode 3 */
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if (mode == 3)
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{
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int64_t pattern_offset = search(data, dllSize, "\x00\x00\x72\x05\xB9\xFF", 6, 0);
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if (pattern_offset == -1) {
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LOG("popnhax: auto hi-speed: cannot find chart address\n");
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return false;
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}
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/* detect if usaneko+ */
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uint64_t patch_addr = (int64_t)data + pattern_offset + 0x0F;
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uint8_t check_byte = *((uint8_t *)(patch_addr + 1));
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if (check_byte == 0x04)
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{
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patch_addr += 9;
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g_longest_bpm_old_chart = true;
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LOG("popnhax: auto hi-speed: old game version\n");
|
||||
MH_CreateHook((LPVOID)(patch_addr), (LPVOID)hook_retrieve_chart_addr_old,
|
||||
(void **)&real_retrieve_chart_addr_old);
|
||||
}
|
||||
else
|
||||
{
|
||||
patch_addr += 11;
|
||||
MH_CreateHook((LPVOID)(patch_addr), (LPVOID)hook_retrieve_chart_addr,
|
||||
(void **)&real_retrieve_chart_addr);
|
||||
}
|
||||
}
|
||||
|
||||
LOG("popnhax: auto hi-speed enabled");
|
||||
if (g_target_bpm != 0)
|
||||
LOG(" with default %hubpm", g_target_bpm);
|
||||
if (mode == 2)
|
||||
LOG(" (lower bpm target)");
|
||||
else if (mode == 3)
|
||||
LOG(" (longest bpm target)");
|
||||
else
|
||||
LOG(" (higher bpm target)");
|
||||
|
||||
LOG("\n");
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/* dummy function to replace real one when not found */
|
||||
bool is_normal_mode_best_effort(){
|
||||
return true;
|
||||
@ -541,8 +976,14 @@ void quickexit_game_loop()
|
||||
__asm("skip_pfree_check:");
|
||||
__asm("jmp call_real\n");
|
||||
}
|
||||
else
|
||||
{
|
||||
if (g_mystery_bpm || g_low_bpm != g_hi_bpm)
|
||||
g_soflan_retry = true;
|
||||
}
|
||||
|
||||
g_return_to_options = true;
|
||||
|
||||
/* numpad 7 or 9 is pressed */
|
||||
__asm("leave_song:\n");
|
||||
__asm("mov eax, 1\n");
|
||||
@ -599,6 +1040,11 @@ void quickexit_result_loop()
|
||||
__asm("skip_quickexit_pfree_check:");
|
||||
__asm("jmp call_real_result\n");
|
||||
}
|
||||
else
|
||||
{
|
||||
if (g_mystery_bpm || g_low_bpm != g_hi_bpm)
|
||||
g_soflan_retry = true;
|
||||
}
|
||||
|
||||
g_return_to_options = true; //transition screen hook will catch it
|
||||
__asm("jmp call_real_result\n");
|
||||
@ -4298,400 +4744,6 @@ static bool patch_enhanced_polling_stats()
|
||||
return true;
|
||||
}
|
||||
|
||||
/*
|
||||
* auto hi-speed
|
||||
*/
|
||||
bool g_longest_bpm_old_chart = false;
|
||||
bool g_bypass_hispeed = false; //bypass target update for mystery bpm and soflan songs
|
||||
bool g_mystery_bpm = 0;
|
||||
uint32_t g_hispeed = 0;
|
||||
uint32_t g_hispeed_addr = 0;
|
||||
uint32_t g_target_bpm = 0;
|
||||
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_low_bpm_ebp_offset = 0;
|
||||
unsigned char *g_chart_addr = 0;
|
||||
|
||||
typedef struct chart_chunk_s {
|
||||
uint32_t timestamp;
|
||||
uint16_t operation;
|
||||
uint16_t data;
|
||||
uint32_t duration;
|
||||
} chart_chunk_t;
|
||||
#define CHART_OP_BPM 0x0445
|
||||
#define CHART_OP_END 0x0645
|
||||
|
||||
typedef struct bpm_list_s {
|
||||
uint16_t bpm;
|
||||
uint32_t duration;
|
||||
struct bpm_list_s *next;
|
||||
} bpm_list_t;
|
||||
|
||||
static uint32_t add_duration(bpm_list_t *list, uint16_t bpm, uint32_t duration)
|
||||
{
|
||||
if (list->bpm == 0)
|
||||
{
|
||||
list->bpm = bpm;
|
||||
list->duration = duration;
|
||||
return duration;
|
||||
}
|
||||
|
||||
while (list->next != NULL)
|
||||
{
|
||||
if (list->bpm == bpm)
|
||||
{
|
||||
list->duration += duration;
|
||||
return list->duration;
|
||||
}
|
||||
list = list->next;
|
||||
}
|
||||
//new entry
|
||||
bpm_list_t *entry = (bpm_list_t *)malloc(sizeof(bpm_list_t));
|
||||
entry->bpm = bpm;
|
||||
entry->duration = duration;
|
||||
entry->next = NULL;
|
||||
list->next = entry;
|
||||
|
||||
return duration;
|
||||
}
|
||||
|
||||
static void destroy_list(bpm_list_t *list)
|
||||
{
|
||||
while (list != NULL)
|
||||
{
|
||||
bpm_list_t *tmp = list;
|
||||
list = list->next;
|
||||
free(tmp);
|
||||
}
|
||||
}
|
||||
|
||||
/* the goal is to set g_longest_bpm to the most used bpm from the chart present in memory at address g_chart_addr
|
||||
*/
|
||||
void compute_longest_bpm(){
|
||||
chart_chunk_t* chunk = NULL;
|
||||
unsigned char *chart_ptr = g_chart_addr;
|
||||
int chunk_size = g_longest_bpm_old_chart? 8 : 12;
|
||||
uint32_t prev_timestamp = 0x64; //game adds 0x64 to every timestamp of a chart upon loading
|
||||
uint16_t prev_bpm = 0;
|
||||
|
||||
bpm_list_t *list = (bpm_list_t *)malloc(sizeof(bpm_list_t));
|
||||
list->bpm = 0;
|
||||
list->duration = 0;
|
||||
list->next = NULL;
|
||||
|
||||
uint32_t max_duration = 0;
|
||||
uint16_t longest_bpm = 0;
|
||||
do {
|
||||
chunk = (chart_chunk_t*) chart_ptr;
|
||||
|
||||
if ( chunk->operation == CHART_OP_BPM || chunk->operation == CHART_OP_END )
|
||||
{
|
||||
if (prev_bpm)
|
||||
{
|
||||
uint32_t bpm_dur = add_duration(list, prev_bpm, chunk->timestamp - prev_timestamp); //will add to existing entry or create a new one if not present
|
||||
if (bpm_dur > max_duration)
|
||||
{
|
||||
max_duration = bpm_dur;
|
||||
longest_bpm = prev_bpm;
|
||||
}
|
||||
}
|
||||
prev_bpm = chunk->data;
|
||||
prev_timestamp = chunk->timestamp;
|
||||
}
|
||||
chart_ptr += chunk_size;
|
||||
} while ( chunk->operation != CHART_OP_END );
|
||||
|
||||
destroy_list(list);
|
||||
g_longest_bpm = longest_bpm;
|
||||
}
|
||||
|
||||
void (*real_set_hispeed)();
|
||||
void hook_set_hispeed()
|
||||
{
|
||||
g_bypass_hispeed = false;
|
||||
__asm("mov %0, eax\n":"=r"(g_hispeed_addr): :);
|
||||
real_set_hispeed();
|
||||
}
|
||||
|
||||
void (*real_retrieve_chart_addr)();
|
||||
void hook_retrieve_chart_addr()
|
||||
{
|
||||
__asm("push eax\n");
|
||||
__asm("push ecx\n");
|
||||
__asm("push edx\n");
|
||||
__asm("mov %0, esi\n":"=a"(g_chart_addr): :);
|
||||
__asm("call %0\n"::"r"(compute_longest_bpm));
|
||||
__asm("pop edx\n");
|
||||
__asm("pop ecx\n");
|
||||
__asm("pop eax\n");
|
||||
real_retrieve_chart_addr();
|
||||
}
|
||||
void (*real_retrieve_chart_addr_old)();
|
||||
void hook_retrieve_chart_addr_old()
|
||||
{
|
||||
__asm("push eax\n");
|
||||
__asm("push ecx\n");
|
||||
__asm("push edx\n");
|
||||
__asm("mov %0, edi\n":"=a"(g_chart_addr): :);
|
||||
__asm("call %0\n"::"r"(compute_longest_bpm));
|
||||
__asm("pop edx\n");
|
||||
__asm("pop ecx\n");
|
||||
__asm("pop eax\n");
|
||||
real_retrieve_chart_addr_old();
|
||||
}
|
||||
|
||||
/*
|
||||
* This is called a lot of times: when arriving on option select, and when changing/navigating *any* option
|
||||
* I'm hooking here to set hi-speed to the target BPM
|
||||
*/
|
||||
double g_hispeed_double = 0;
|
||||
void (*real_read_hispeed)();
|
||||
void hook_read_hispeed()
|
||||
{
|
||||
__asm("push eax\n");
|
||||
__asm("push ecx\n");
|
||||
__asm("push edx\n");
|
||||
|
||||
__asm("mov ecx, ebp\n");
|
||||
__asm("add cx, word ptr [%0]\n"::"a"(&g_low_bpm_ebp_offset));
|
||||
|
||||
__asm __volatile__("mov %0, word ptr [ecx]\n":"=a"(g_low_bpm): :);
|
||||
__asm("add cx, 2\n");
|
||||
__asm __volatile__("mov %0, word ptr [ecx]\n":"=a"(g_hi_bpm): :);
|
||||
__asm("add cx, 2\n");
|
||||
__asm __volatile__("mov %0, byte ptr [ecx]\n":"=a"(g_mystery_bpm): :);
|
||||
|
||||
if ( g_bypass_hispeed || g_target_bpm == 0 ) //bypass for mystery BPM and soflan songs (to avoid hi-speed being locked since target won't change)
|
||||
{
|
||||
__asm("jmp leave_read_hispeed\n");
|
||||
}
|
||||
|
||||
g_hispeed_double = (double)g_target_bpm / (double)(*g_base_bpm_ptr/10.0);
|
||||
g_hispeed = (uint32_t)(g_hispeed_double+0.5); //rounding to nearest
|
||||
if (g_hispeed > 0x64) g_hispeed = 0x64;
|
||||
if (g_hispeed < 0x0A) g_hispeed = 0x0A;
|
||||
|
||||
__asm("and edi, 0xFFFF0000\n"); //keep existing popkun and hidden status values
|
||||
__asm("or edi, dword ptr[%0]\n"::"m"(g_hispeed)); //fix hispeed initial display on option screen
|
||||
__asm("mov eax, dword ptr[%0]\n"::"m"(g_hispeed_addr));
|
||||
__asm("mov dword ptr[eax], edi\n");
|
||||
|
||||
__asm("leave_read_hispeed:\n");
|
||||
__asm("pop edx\n");
|
||||
__asm("pop ecx\n");
|
||||
__asm("pop eax\n");
|
||||
|
||||
real_read_hispeed();
|
||||
}
|
||||
|
||||
void (*real_increase_hispeed)();
|
||||
void hook_increase_hispeed()
|
||||
{
|
||||
__asm("push eax\n");
|
||||
__asm("push edx\n");
|
||||
__asm("push ecx\n");
|
||||
|
||||
if ( g_mystery_bpm || g_low_bpm != g_hi_bpm )
|
||||
{
|
||||
g_bypass_hispeed = true;
|
||||
__asm("jmp leave_increase_hispeed\n");
|
||||
}
|
||||
|
||||
//increase hispeed
|
||||
__asm("movzx ecx, word ptr[edi]\n");
|
||||
__asm("inc ecx\n");
|
||||
__asm("cmp ecx, 0x65\n");
|
||||
__asm("jb skip_hispeed_rollover_high\n");
|
||||
__asm("mov ecx, 0x0A\n");
|
||||
__asm("skip_hispeed_rollover_high:\n");
|
||||
|
||||
//compute resulting bpm using exact same formula as game (base bpm in eax, multiplier in ecx)
|
||||
__asm("movsx eax, %0\n"::"m"(g_hi_bpm));
|
||||
__asm("cwde\n");
|
||||
__asm("movsx ecx,cx\n");
|
||||
__asm("imul ecx,eax\n");
|
||||
__asm("mov eax, 0x66666667\n");
|
||||
__asm("imul ecx\n");
|
||||
__asm("sar edx,2\n");
|
||||
__asm("mov eax,edx\n");
|
||||
__asm("shr eax,0x1F\n");
|
||||
__asm("add eax,edx\n");
|
||||
|
||||
__asm("mov %0, eax\n":"=m"(g_target_bpm): :);
|
||||
|
||||
__asm("leave_increase_hispeed:\n");
|
||||
__asm("pop ecx\n");
|
||||
__asm("pop edx\n");
|
||||
__asm("pop eax\n");
|
||||
real_increase_hispeed();
|
||||
}
|
||||
|
||||
void (*real_decrease_hispeed)();
|
||||
void hook_decrease_hispeed()
|
||||
{
|
||||
__asm("push eax\n");
|
||||
__asm("push edx\n");
|
||||
__asm("push ecx\n");
|
||||
if ( g_mystery_bpm || g_low_bpm != g_hi_bpm )
|
||||
{
|
||||
g_bypass_hispeed = true;
|
||||
__asm("jmp leave_decrease_hispeed\n");
|
||||
}
|
||||
|
||||
//decrease hispeed
|
||||
__asm("movzx ecx, word ptr[edi]\n");
|
||||
__asm("dec ecx\n");
|
||||
__asm("cmp ecx, 0x0A\n");
|
||||
__asm("jge skip_hispeed_rollover_low\n");
|
||||
__asm("mov ecx, 0x64\n");
|
||||
__asm("skip_hispeed_rollover_low:\n");
|
||||
|
||||
//compute resulting bpm using exact same formula as game (base bpm in eax, multiplier in ecx)
|
||||
__asm("movsx eax, %0\n"::"m"(g_hi_bpm));
|
||||
__asm("cwde\n");
|
||||
__asm("movsx ecx,cx\n");
|
||||
__asm("imul ecx,eax\n");
|
||||
__asm("mov eax, 0x66666667\n");
|
||||
__asm("imul ecx\n");
|
||||
__asm("sar edx,2\n");
|
||||
__asm("mov eax,edx\n");
|
||||
__asm("shr eax,0x1F\n");
|
||||
__asm("add eax,edx\n");
|
||||
|
||||
__asm("mov %0, eax\n":"=m"(g_target_bpm): :);
|
||||
|
||||
__asm("leave_decrease_hispeed:\n");
|
||||
__asm("pop ecx\n");
|
||||
__asm("pop edx\n");
|
||||
__asm("pop eax\n");
|
||||
real_decrease_hispeed();
|
||||
}
|
||||
|
||||
bool patch_hispeed_auto(uint8_t mode, uint16_t default_bpm)
|
||||
{
|
||||
DWORD dllSize = 0;
|
||||
char *data = getDllData(g_game_dll_fn, &dllSize);
|
||||
|
||||
g_base_bpm_ptr = &g_hi_bpm;
|
||||
if (mode == 2)
|
||||
g_base_bpm_ptr = &g_low_bpm;
|
||||
else if (mode == 3)
|
||||
g_base_bpm_ptr = &g_longest_bpm;
|
||||
|
||||
g_target_bpm = default_bpm;
|
||||
/* retrieve hi-speed address */
|
||||
{
|
||||
int64_t pattern_offset = search(data, dllSize, "\x66\x89\x0C\x07\x0F\xB6\x45\x04", 8, 0);
|
||||
if (pattern_offset == -1) {
|
||||
LOG("popnhax: auto hi-speed: cannot find hi-speed address\n");
|
||||
return false;
|
||||
}
|
||||
|
||||
uint64_t patch_addr = (int64_t)data + pattern_offset + 0x04;
|
||||
|
||||
MH_CreateHook((LPVOID)(patch_addr), (LPVOID)hook_set_hispeed,
|
||||
(void **)&real_set_hispeed);
|
||||
}
|
||||
/* write new hispeed according to target bpm */
|
||||
{
|
||||
/* improve compatibility with newer games */
|
||||
int64_t pattern_offset = search(data, dllSize, "\xEB\x57\x8B\xBC\x24\x50\x01\x00\x00\x66\x8B\x85", 12, 0);
|
||||
if (pattern_offset == -1) {
|
||||
LOG("popnhax: auto hi-speed: cannot find chart BPM address offset\n");
|
||||
return false;
|
||||
}
|
||||
|
||||
uint64_t patch_addr = (int64_t)data + pattern_offset + 0x1C;
|
||||
g_low_bpm_ebp_offset = *((uint16_t *)(patch_addr));
|
||||
|
||||
if (g_low_bpm_ebp_offset != 0x0A1A && g_low_bpm_ebp_offset != 0x0A1E)
|
||||
{
|
||||
LOG("popnhax: auto hi-speed: WARNING: unexpected BPM address offset (%hu), might not work\n", g_low_bpm_ebp_offset);
|
||||
}
|
||||
|
||||
pattern_offset = search(data, dllSize, "\x98\x50\x66\x8B\x85", 5, 0);
|
||||
if (pattern_offset == -1) {
|
||||
LOG("popnhax: auto hi-speed: cannot find hi-speed apply address\n");
|
||||
return false;
|
||||
}
|
||||
|
||||
patch_addr = (int64_t)data + pattern_offset - 0x07;
|
||||
|
||||
MH_CreateHook((LPVOID)(patch_addr), (LPVOID)hook_read_hispeed,
|
||||
(void **)&real_read_hispeed);
|
||||
}
|
||||
/* update target bpm on hispeed increase */
|
||||
{
|
||||
int64_t pattern_offset = search(data, dllSize, "\x66\xFF\x07\x0F\xB7\x07\x66\x83\xF8\x64", 10, 0);
|
||||
if (pattern_offset == -1) {
|
||||
LOG("popnhax: auto hi-speed: cannot find hi-speed increase\n");
|
||||
return false;
|
||||
}
|
||||
|
||||
uint64_t patch_addr = (int64_t)data + pattern_offset;
|
||||
|
||||
MH_CreateHook((LPVOID)(patch_addr), (LPVOID)hook_increase_hispeed,
|
||||
(void **)&real_increase_hispeed);
|
||||
}
|
||||
/* update target bpm on hispeed decrease */
|
||||
{
|
||||
int64_t pattern_offset = search(data, dllSize, "\x66\xFF\x0F\x0F\xB7\x07\x66\x83\xF8\x0A", 10, 0);
|
||||
if (pattern_offset == -1) {
|
||||
LOG("popnhax: auto hi-speed: cannot find hi-speed decrease\n");
|
||||
return false;
|
||||
}
|
||||
|
||||
uint64_t patch_addr = (int64_t)data + pattern_offset;
|
||||
|
||||
MH_CreateHook((LPVOID)(patch_addr), (LPVOID)hook_decrease_hispeed,
|
||||
(void **)&real_decrease_hispeed);
|
||||
}
|
||||
|
||||
/* compute longest bpm for mode 3 */
|
||||
if (mode == 3)
|
||||
{
|
||||
int64_t pattern_offset = search(data, dllSize, "\x00\x00\x72\x05\xB9\xFF", 6, 0);
|
||||
if (pattern_offset == -1) {
|
||||
LOG("popnhax: auto hi-speed: cannot find chart address\n");
|
||||
return false;
|
||||
}
|
||||
|
||||
/* detect if usaneko+ */
|
||||
uint64_t patch_addr = (int64_t)data + pattern_offset + 0x0F;
|
||||
uint8_t check_byte = *((uint8_t *)(patch_addr + 1));
|
||||
|
||||
if (check_byte == 0x04)
|
||||
{
|
||||
patch_addr += 9;
|
||||
g_longest_bpm_old_chart = true;
|
||||
LOG("popnhax: auto hi-speed: old game version\n");
|
||||
MH_CreateHook((LPVOID)(patch_addr), (LPVOID)hook_retrieve_chart_addr_old,
|
||||
(void **)&real_retrieve_chart_addr_old);
|
||||
}
|
||||
else
|
||||
{
|
||||
patch_addr += 11;
|
||||
MH_CreateHook((LPVOID)(patch_addr), (LPVOID)hook_retrieve_chart_addr,
|
||||
(void **)&real_retrieve_chart_addr);
|
||||
}
|
||||
}
|
||||
|
||||
LOG("popnhax: auto hi-speed enabled");
|
||||
if (g_target_bpm != 0)
|
||||
LOG(" with default %hubpm", g_target_bpm);
|
||||
if (mode == 2)
|
||||
LOG(" (lower bpm target)");
|
||||
else if (mode == 3)
|
||||
LOG(" (longest bpm target)");
|
||||
else
|
||||
LOG(" (higher bpm target)");
|
||||
|
||||
LOG("\n");
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/* HARD GAUGE SURVIVAL*/
|
||||
uint8_t g_hard_gauge_selected = false;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user