tretrauit/jadeite
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Unpatch WriteTextureStatisticUserData after execution

Browse Source
This commit is contained in:
mkrsym1 2023-06-21 14:47:46 +03:00
parent 5421487212
commit 8f96ec4eec
1 changed files with 41 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
game_payload/src/hsr.c
View File

@ -1,5 +1,9 @@
#include <utils.h>
#include <msg.h>
#include <main.h>
#include <crc32.h>
#include <pe.h>
#include <game.h>
@ -20,24 +24,52 @@ const struct crc_id_pair HSR_REGIONS[] = {
{ 0x3e644d26, GAME_HSR_CN } // cn v1.1.0
};
#define JUMP_SIZE (6 + sizeof(void*))
// Temporarily hardcoded offset
// v1.1.0, same for os and cn
#define WTSUD_PATCH_OFFSET 0x16430
char wtsud_original_bytes[JUMP_SIZE];
char *wtsud_patch_addr;
static void _wtsud_stub() {
// Recover original bytes
DWORD oldProtect;
VirtualProtect(wtsud_patch_addr, JUMP_SIZE, PAGE_EXECUTE_READWRITE, &oldProtect);
memcpy(wtsud_patch_addr, wtsud_original_bytes, JUMP_SIZE);
VirtualProtect(wtsud_patch_addr, JUMP_SIZE, oldProtect, &oldProtect);
unload_ctr_dec();
}
static void _unityplayer_callback(HMODULE unityModule) {
if (utils_env_enabled("SRFIX_DISABLE")) {
msg_info_a("Shared resources fix disabled. The game may not work");
return;
}
// Disable shared resources
// Temporarily hardcoded offset
// v1.1.0, same for os and cn
unsigned char *srAddr = ((unsigned char*)unityModule) + 0x16430;
// Remove dependency on shared resources by patching WriteTextureStatisticUserData
wtsud_patch_addr = ((char*)unityModule) + 0x16430;
DWORD oldProtect;
VirtualProtect(srAddr, 1, PAGE_EXECUTE_READWRITE, &oldProtect);
VirtualProtect(wtsud_patch_addr, JUMP_SIZE, PAGE_EXECUTE_READWRITE, &oldProtect);
*srAddr = 0xC3; // ret
// Save original bytes
memcpy(wtsud_original_bytes, wtsud_patch_addr, JUMP_SIZE);
VirtualProtect(srAddr, 1, oldProtect, &oldProtect);
// Write jump
const char JUMP_INST[] = { 0xFF, 0x25, 0x00, 0x00, 0x00, 0x00 }; // jmp [$ + 6]
memcpy(wtsud_patch_addr, JUMP_INST, sizeof(JUMP_INST));
// Write destination address
void *destAddr = &_wtsud_stub;
memcpy(wtsud_patch_addr + sizeof(JUMP_INST), &destAddr, sizeof(destAddr));
VirtualProtect(wtsud_patch_addr, JUMP_SIZE, oldProtect, &oldProtect);
}
void hsr_fill_data(struct game_data *buf) {
@ -66,5 +98,6 @@ void hsr_fill_data(struct game_data *buf) {
buf->tp6_section_name = HSR_TP6_SECTION_NAME;
buf->tvm_section_name = HSR_TVM_SECTION_NAME;
unload_ctr_inc();
buf->unityplayer_callback = &_unityplayer_callback;
}