Game Patch: add patchCall type

GoldHEN · Oct 23, 2023 · 1e93d84 · 1e93d84
1 parent 91c6260
commit 1e93d84
Showing 1 changed file with 24 additions and 0 deletions.
diff --git a/plugin_src/game_patch/source/patch.cpp b/plugin_src/game_patch/source/patch.cpp
@@ -329,6 +329,30 @@ void patch_data1(const char *patch_type_str, u64 addr, const char *value, uint32
  free(bytearray);
  break;
  }
+ case djb2_hash("patchCall"):
+ case djb2_hash("mask_patchCall"):
+ {
+ u8 call_bytes[5] = {0};
+ memcpy(call_bytes, (void *)addr, sizeof(call_bytes));
+ if (call_bytes[0] == 0xe8 || call_bytes[0] == 0xe9)
+ {
+ int32_t branch_target = *(int32_t *)(call_bytes + 1);
+ if (branch_target)
+ {
+ uintptr_t branched_call = addr + branch_target + sizeof(call_bytes);
+ final_printf("0x%016lx: 0x%08x -> 0x%016lx\n", addr, branch_target, branched_call);
+ s64 bytearray_size = 0;
+ u8 *bytearray = hexstrtochar2(value, &bytearray_size);
+ if (!bytearray)
+ {
+ break;
+ }
+ sys_proc_rw(branched_call, bytearray, bytearray_size);
+ free(bytearray);
+ }
+ }
+ break;
+ }
  default:
  {
  final_printf("Patch type: '%s (#%.16lx) not found or unsupported\n", patch_type_str, patch_type);