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force_datecode auto

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CrazyRedMachine 2024-05-01 05:36:04 +02:00
parent dc63a6df08
commit 11ee17f48b
1 changed files with 79 additions and 35 deletions
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114
popnhax/dllmain.cc
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@ -1411,10 +1411,78 @@ static bool patch_purelong()
return true;
}
static bool get_music_limit(uint32_t* limit) {
DWORD dllSize = 0;
char *data = getDllData(g_game_dll_fn, &dllSize);
{
int64_t string_loc = search(data, dllSize, "Illegal music no %d", 19, 0);
if (string_loc == -1) {
LOG("popnhax: patch_db: could not retrieve music limit error string\n");
return false;
}
string_loc += 0x10000000; //entrypoint
char *as_hex = (char *) &string_loc;
int64_t pattern_offset = search(data, dllSize, as_hex, 4, 0);
if (pattern_offset == -1) {
LOG("popnhax: patch_db: could not retrieve music limit test function\n");
return false;
}
uint64_t patch_addr = (int64_t)data + pattern_offset - 0x1F;
*limit = *(uint32_t*)patch_addr;
}
return true;
}
char *get_datecode_from_patches() {
SearchFile s;
char datecode[11] = {0};
uint32_t music_limit = 0;
if ( !get_music_limit(&music_limit) )
{
LOG("WARNING: could not retrieve music limit for datecode_auto\n");
return NULL;
}
s.search("data_mods", "xml", false);
auto result = s.getResult();
for (uint16_t i=0; i<result.size(); i++) {
uint32_t found_limit = 0;
property *patch_xml = load_prop_file(result[i].c_str());
READ_U32_OPT(patch_xml, property_search(patch_xml, NULL, "/patches/limits"), "music", found_limit)
free(patch_xml);
if ( found_limit == music_limit )
{
memcpy(datecode, result[i].c_str()+10+8, 10);
return strdup(datecode);
}
}
LOG("ERROR: datecode_auto: could not find matching patch file\n");
return NULL;
}
static bool patch_datecode(char *datecode) {
DWORD dllSize = 0;
char *data = getDllData(g_game_dll_fn, &dllSize);
g_datecode_override = strdup(datecode);
if ( strcmp(datecode, "auto") == 0 )
{
if ( !config.patch_db )
{
return true;
}
LOG("popnhax: find datecode based on patches_.xml file\n");
g_datecode_override = get_datecode_from_patches();
if ( g_datecode_override == NULL )
return false;
}
else
g_datecode_override = strdup(datecode);
{
int64_t pattern_offset = search(data, dllSize, "\x8D\x44\x24\x10\x88\x4C\x24\x10\x88\x5C\x24\x11\x8D\x50\x01", 15, 0);
@ -1455,31 +1523,6 @@ static bool patch_datecode(char *datecode) {
return true;
}
static bool get_music_limit(uint32_t* limit) {
DWORD dllSize = 0;
char *data = getDllData(g_game_dll_fn, &dllSize);
{
int64_t string_loc = search(data, dllSize, "Illegal music no %d", 19, 0);
if (string_loc == -1) {
LOG("popnhax: patch_db: could not retrieve music limit error string\n");
return false;
}
string_loc += 0x10000000; //entrypoint
char *as_hex = (char *) &string_loc;
int64_t pattern_offset = search(data, dllSize, as_hex, 4, 0);
if (pattern_offset == -1) {
LOG("popnhax: patch_db: could not retrieve music limit test function\n");
return false;
}
uint64_t patch_addr = (int64_t)data + pattern_offset - 0x1F;
*limit = *(uint32_t*)patch_addr;
}
return true;
}
static bool patch_database() {
DWORD dllSize = 0;
char *data = getDllData(g_game_dll_fn, &dllSize);
@ -1499,10 +1542,10 @@ static bool patch_database() {
LOG("popnhax: patch_db: music limit : %d\n", music_limit);
}
if (config.force_datecode[0] != '\0')
if ( g_datecode_override != NULL )
{
LOG("popnhax: auto detect patch file with datecode override %s\n",config.force_datecode);
datecode = (uint8_t*) strdup(config.force_datecode);
LOG("popnhax: auto detect patch file with datecode override %s\n", g_datecode_override);
datecode = (uint8_t*) strdup(g_datecode_override);
}
else
{
@ -1548,7 +1591,7 @@ static bool patch_database() {
LOG("popnhax: patch_db: found matching music limit, end search\n");
if ( !datecode_match )
{
LOG("WARNING: datecode did NOT match, please update your %s\n", (config.force_datecode[0] != '\0') ? "force_datecode value" : "ea3-config.xml");
LOG("WARNING: datecode did NOT match, please update your %s\n", ( g_datecode_override != NULL ) ? "force_datecode value" : "ea3-config.xml");
}
found = true;
break;
@ -5472,14 +5515,15 @@ BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserv
if (force_no_omni)
config.patch_db = false;
bool datecode_auto = (strcmp(config.force_datecode, "auto") == 0);
if (!config.disable_multiboot)
{
/* automatically force datecode based on dll name when applicable (e.g. popn22_2022061300.dll and no force_datecode) */
/* automatically force datecode based on dll name when applicable (e.g. popn22_2022061300.dll and force_datecode is empty or "auto") */
if ( (strlen(g_game_dll_fn) == 21)
&& (config.force_datecode[0] == '\0') )
&& ( datecode_auto || (config.force_datecode[0] == '\0') ) )
{
LOG("popnhax: multiboot autotune activated (custom game dll, force_datecode off)\n");
LOG("popnhax: multiboot autotune activated (custom game dll, no force_datecode)\n");
memcpy(config.force_datecode, g_game_dll_fn+7, 10);
LOG("popnhax: multiboot: auto set datecode to %s\n", config.force_datecode);
if (config.score_challenge && ( config.game_version < 26 || strcmp(config.force_datecode,"2020092800") <= 0 ) )
@ -5507,8 +5551,8 @@ BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserv
if (config.force_datecode[0] != '\0')
{
if (strlen(config.force_datecode) != 10)
LOG("popnhax: force_datecode: Invalid datecode %s, should be 10 digits (e.g. 2022061300)\n", config.force_datecode);
if (!datecode_auto && strlen(config.force_datecode) != 10)
LOG("popnhax: force_datecode: Invalid datecode %s, should be 10 digits (e.g. 2022061300) or \"auto\"\n", config.force_datecode);
else
patch_datecode(config.force_datecode);
}