48 lines
1.0 KiB
C
48 lines
1.0 KiB
C
int ChatHandler(wchar_t* msg) {
|
|
for (DLL* dll: modDLLs) {
|
|
if (dll->HandleChat) {
|
|
if ( ((int(*)(wchar_t*))dll->HandleChat)(msg) ){
|
|
return 1;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
void* ChatHandler_ptr = (void*)&ChatHandler;
|
|
|
|
void* ASMChatHandler_jmpback;
|
|
void* ASMChatHandler_bail;
|
|
void no_optimize ASMChatHandler() {
|
|
asm(PUSH_ALL
|
|
|
|
"mov rcx, rsi \n" // The message
|
|
|
|
PREPARE_STACK
|
|
|
|
"call [ChatHandler_ptr] \n"
|
|
|
|
RESTORE_STACK
|
|
|
|
// Did the handler return true?
|
|
"test al, al \n"
|
|
"jnz bail \n"
|
|
|
|
POP_ALL
|
|
|
|
// original code
|
|
"mov qword ptr [rbp+0x98], 7 \n"
|
|
"mov [rbp+0x90], r15 \n"
|
|
"jmp [ASMChatHandler_jmpback] \n"
|
|
|
|
|
|
"bail: \n"
|
|
POP_ALL
|
|
"jmp [ASMChatHandler_bail]"
|
|
);
|
|
}
|
|
void SetupChatHandler() {
|
|
WriteFarJMP(base+0x87611, (void*)&ASMChatHandler);
|
|
ASMChatHandler_jmpback = (void*)base+0x87624;
|
|
ASMChatHandler_bail = (void*)base+0x879B2;
|
|
}
|