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eclale compatibility

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CrazyRedMachine 2023-02-11 11:17:52 +01:00
parent 7d5eb13174
commit 495d70e59b
1 changed files with 65 additions and 60 deletions
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125
popnhax/dllmain.cc
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@ -187,33 +187,33 @@ bool patch_hex(const char *find, uint8_t find_size, int64_t shift, const char *r
} }
#ifdef DEBUG #ifdef DEBUG
printf("BEFORE PATCH :\n"); printf("BEFORE PATCH :\n");
uint8_t *offset = (uint8_t *) ((int64_t)data + pattern_offset + shift - 5); uint8_t *offset = (uint8_t *) ((int64_t)data + pattern_offset + shift - 5);
for (int i=0; i<32; i++) for (int i=0; i<32; i++)
{ {
printf("%02x ", *offset); printf("%02x ", *offset);
offset++; offset++;
if (i == 15) if (i == 15)
printf("\n"); printf("\n");
} }
#endif #endif
uint64_t patch_addr = (int64_t)data + pattern_offset + shift; uint64_t patch_addr = (int64_t)data + pattern_offset + shift;
patch_memory(patch_addr, (char *)replace, replace_size); patch_memory(patch_addr, (char *)replace, replace_size);
#ifdef DEBUG #ifdef DEBUG
printf("AFTER PATCH :\n"); printf("\nAFTER PATCH :\n");
offset = (uint8_t *) ((int64_t)data + pattern_offset + shift - 5); offset = (uint8_t *) ((int64_t)data + pattern_offset + shift - 5);
for (int i=0; i<32; i++) for (int i=0; i<32; i++)
{ {
printf("%02x ", *offset); printf("%02x ", *offset);
offset++; offset++;
if (i == 15) if (i == 15)
printf("\n"); printf("\n");
} }
#endif #endif
return true; return true;
} }
@ -377,36 +377,36 @@ char *parse_patchdb(const char *input_filename, char *base_data) {
} }
static bool patch_hd_on_sd(uint8_t mode) { static bool patch_hd_on_sd(uint8_t mode) {
if (mode > 2) if (mode > 2)
{ {
printf("ponhax: HD on SD mode invalid value %d\n",mode); printf("ponhax: HD on SD mode invalid value %d\n",mode);
return false; return false;
} }
/* set window to 640*480 */ /* set window to 640*480 */
if ( mode == 1 ) if ( mode == 1 )
{ {
if (!patch_hex("\x0F\xB6\xC0\xF7\xD8\x1B\xC0\x25\xD0\x02", 10, -5, "\xB8\x80\x02\x00\x00\xC3\xCC\xCC\xCC", 9) if (!patch_hex("\x0F\xB6\xC0\xF7\xD8\x1B\xC0\x25\xD0\x02", 10, -5, "\xB8\x80\x02\x00\x00\xC3\xCC\xCC\xCC", 9)
&& !patch_hex("\x84\xc0\x74\x14\x0f\xb6\x05", 7, -5, "\xB8\x80\x02\x00\x00\xC3\xCC\xCC\xCC", 9)) && !patch_hex("\x84\xc0\x74\x14\x0f\xb6\x05", 7, -5, "\xB8\x80\x02\x00\x00\xC3\xCC\xCC\xCC", 9))
{ {
printf("popnhax: HD on SD: cannot find screen width function\n"); printf("popnhax: HD on SD: cannot find screen width function\n");
return false; return false;
} }
if (!patch_hex("\x0f\xb6\xc0\xf7\xd8\x1b\xc0\x25\x20\x01", 10, -5, "\xB8\xE0\x01\x00\x00\xC3\xCC\xCC\xCC", 9)) if (!patch_hex("\x0f\xb6\xc0\xf7\xd8\x1b\xc0\x25\x20\x01", 10, -5, "\xB8\xE0\x01\x00\x00\xC3\xCC\xCC\xCC", 9))
printf("popnhax: HD on SD: cannot find screen height function\n"); printf("popnhax: HD on SD: cannot find screen height function\n");
if (!patch_hex("\x84\xC0\x74\x0D\x8B\x4C", 6, 2, "\xEB", 1))
printf("popnhax: HD on SD: cannot find screen aspect ratio function\n");
}
if (!patch_hex("\x1B\xC9\x83\xE1\x95\x81\xC1\x86", 8, 5, "\x90\xB9", 2)) if (!patch_hex("\x8B\x54\x24\x20\x53\x51\x52\xEB\x0C", 9, -6, "\xEB", 1))
printf("popnhax: HD on SD: cannot patch gamecode position\n"); printf("popnhax: HD on SD: cannot find screen aspect ratio function\n");
}
if (!patch_hex("\x6a\x01\x6a\x00\x50\x8b\x06\x33\xff", 9, -7, "\x90\x90", 2)) if (!patch_hex("\x1B\xC9\x83\xE1\x95\x81\xC1\x86", 8, 5, "\x90\xB9", 2))
printf("popnhax: HD on SD: cannot patch credit/network position\n"); printf("popnhax: HD on SD: cannot patch gamecode position\n");
printf("popnhax: HD on SD mode %d",mode); if (!patch_hex("\x6a\x01\x6a\x00\x50\x8b\x06\x33\xff", 9, -7, "\x90\x90", 2))
printf("popnhax: HD on SD: cannot patch credit/network position\n");
printf("popnhax: HD on SD mode %d\n",mode);
return true; return true;
} }
@ -417,17 +417,16 @@ static bool patch_pfree() {
/* stop stage counter (2 matches, 1st one suffices) */ /* stop stage counter (2 matches, 1st one suffices) */
{ {
fuzzy_search_task task; fuzzy_search_task task;
FUZZY_START(task, 1)
FUZZY_START(task, 1)
FUZZY_CODE(task, 0, "\x83\xF8\x04\x77\x3E", 5) FUZZY_CODE(task, 0, "\x83\xF8\x04\x77\x3E", 5)
int64_t pattern_offset = find_block(data, dllSize, &task, 0); int64_t pattern_offset = find_block(data, dllSize, &task, 0);
if (pattern_offset == -1) { if (pattern_offset == -1) {
printf("couldn't find stop stage counter\n"); printf("couldn't find stop stage counter\n");
return false; return false;
} }
uint64_t patch_addr = (int64_t)data + pattern_offset - 0x05; uint64_t patch_addr = (int64_t)data + pattern_offset - 0x05;
patch_memory(patch_addr, (char *)"\xC3\xCC\xCC\xCC\xCC", 5); patch_memory(patch_addr, (char *)"\xC3\xCC\xCC\xCC\xCC", 5);
} }
@ -447,13 +446,17 @@ static bool patch_pfree() {
int64_t offset = find_block(data, dllSize, &task, 0); int64_t offset = find_block(data, dllSize, &task, 0);
if (offset == -1) { if (offset == -1) {
printf("popnhax: pfree: failed to retrieve struct size and offset\n"); printf("popnhax: pfree: failed to retrieve struct size and offset\n");
return false; /* best effort for older games compatibility (works with eclale) */
offset_from_base = 0x54;
offset_from_stage1[0] = 0x04;
offset_from_stage1[1] = 0x05;
goto pfree_apply;
} }
uint32_t child_fun_rel = *(uint32_t *) ((int64_t)data + offset - 0x04); uint32_t child_fun_rel = *(uint32_t *) ((int64_t)data + offset - 0x04);
child_fun_loc = offset + child_fun_rel; child_fun_loc = offset + child_fun_rel;
} }
{ {
fuzzy_search_task task; fuzzy_search_task task;
FUZZY_START(task, 1) FUZZY_START(task, 1)
@ -472,7 +475,7 @@ static bool patch_pfree() {
//printf("popnhax: pfree: offset_from_stage1 is %02x %02x\n",offset_from_stage1[0],offset_from_stage1[1]); //printf("popnhax: pfree: offset_from_stage1 is %02x %02x\n",offset_from_stage1[0],offset_from_stage1[1]);
} }
{ {
fuzzy_search_task task; fuzzy_search_task task;
FUZZY_START(task, 1) FUZZY_START(task, 1)
@ -490,6 +493,7 @@ static bool patch_pfree() {
//printf("popnhax: pfree: offset_from_base is %02x\n",offset_from_base); //printf("popnhax: pfree: offset_from_base is %02x\n",offset_from_base);
} }
pfree_apply:
int64_t first_loc = 0; int64_t first_loc = 0;
/* cleanup score and stats part1 */ /* cleanup score and stats part1 */
{ {
@ -502,6 +506,7 @@ static bool patch_pfree() {
first_loc = find_block(data, dllSize, &task, 0); first_loc = find_block(data, dllSize, &task, 0);
if (first_loc == -1) { if (first_loc == -1) {
printf("popnhax: pfree: cannot find stage update function\n");
return false; return false;
} }
@ -520,7 +525,7 @@ static bool patch_pfree() {
int64_t pattern_offset = find_block(data, 0x40, &task, first_loc); int64_t pattern_offset = find_block(data, 0x40, &task, first_loc);
if (pattern_offset == -1) { if (pattern_offset == -1) {
printf("EUARGH\n"); printf("popnhax: pfree: cannot find stage update function\n");
return false; return false;
} }
@ -563,7 +568,7 @@ static bool patch_database(bool force_unlocks) {
char *target; char *target;
if (config.patch_xml_auto) { if (config.patch_xml_auto) {
const char *filename = NULL; const char *filename = NULL;
SearchFile s; SearchFile s;
uint8_t *datecode = NULL; uint8_t *datecode = NULL;
bool found = false; bool found = false;
@ -1243,12 +1248,12 @@ BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserv
patch_unset_volume(); patch_unset_volume();
} }
if (config.pfree) { if (config.pfree) {
patch_pfree(); patch_pfree();
} }
if (config.hd_on_sd) { if (config.hd_on_sd) {
patch_hd_on_sd(config.hd_on_sd); patch_hd_on_sd(config.hd_on_sd);
} }
if (config.event_mode) { if (config.event_mode) {