49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
int ChatHandler(wchar_t* msg) {
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for (DLL* dll: modDLLs) {
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if (dll->HandleChat) {
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if ( ((int(*)(wchar_t*))dll->HandleChat)(msg) ){
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return 1;
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}
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}
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}
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return 0;
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}
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void* ChatHandler_ptr = (void*)&ChatHandler;
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void* ASMChatHandler_jmpback;
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void* ASMChatHandler_bail;
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void no_optimize ASMChatHandler() {
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asm(PUSH_ALL
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"mov rcx, rbx \n" // The message
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PREPARE_STACK
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"call [ChatHandler_ptr] \n"
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RESTORE_STACK
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// Did the handler return true?
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"test al, al \n"
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"jnz bail \n"
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POP_ALL
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// original code
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"mov qword ptr [rbp+0x88], 7 \n"
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"mov [rbp+0x80], r12 \n"
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"mov [rbp+0x70], r12w \n"
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"jmp [ASMChatHandler_jmpback] \n"
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"bail: \n"
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POP_ALL
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"jmp [ASMChatHandler_bail]"
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);
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}
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void SetupChatHandler() {
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WriteFarJMP(base+0x97198, (void*)&ASMChatHandler);
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ASMChatHandler_jmpback = (void*)base+0x971B0;
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ASMChatHandler_bail = (void*)base+0x9777A;
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}
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