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Cube-World-Mod-Launcher
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ChrisMiuchiz 2018-11-06 13:19:51 -05:00 committed by GitHub
parent daf29268d2
commit 0838686bb1
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1 changed files with 33 additions and 0 deletions
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33
CallbackManager/main.cpp
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@ -325,6 +325,35 @@ _declspec(naked) void __declspec(dllexport) ASMHandlePacket(){
}
MakeCallback(ReadyToSendCallback, void, RegisterReadyToSendCallback, ready_to_send_callbacks);
void __stdcall no_shenanigans HandleReadyToSend(SOCKET s){
for (ReadyToSendCallback func : ready_to_send_callbacks){
func(s);
}
}
DWORD HandleReadyToSend_ptr = (DWORD)&HandleReadyToSend;
unsigned int ASMHandleReadyToSend_JMP_Back;
void no_shenanigans ASMHandleReadyToSend(){
asm("pushad");
asm("mov eax, [edi]"); //GameController
asm("push dword ptr [eax+0x8006CC]"); //socket
asm("call [_HandleReadyToSend_ptr]");
asm("popad");
asm("push 0"); //original code
asm("push 4"); //len
asm("lea eax, [ebp-0x2444]");
asm("jmp [_ASMHandleReadyToSend_JMP_Back]");
}
void WriteJMP(BYTE* location, BYTE* newFunction){
DWORD dwOldProtection;
@ -371,6 +400,10 @@ extern "C" DLL_EXPORT BOOL APIENTRY DllMain(HINSTANCE hinstDLL, DWORD fdwReason,
ASMHandlePacket_Valid_Packet_JMP = base + 0x6B8B0;
WriteJMP((BYTE*)(base + 0x6B8A7), (BYTE*)&ASMHandlePacket);
//Ready to send packet
ASMHandleReadyToSend_JMP_Back = base + 0x69C92;
WriteJMP((BYTE*)(base + 0x69C88), (BYTE*)&ASMHandleReadyToSend);
break;
}
return true;