NorthstarLauncher/NorthstarDLL/server/alltalk.cpp

29 lines
1.0 KiB
C++

#include "core/convar/convar.h"
#include "engine/r2engine.h"
size_t __fastcall ShouldAllowAlltalk()
{
// this needs to return a 64 bit integer where 0 = true and 1 = false
static ConVar* Cvar_sv_alltalk = R2::g_pCVar->FindVar("sv_alltalk");
if (Cvar_sv_alltalk->GetBool())
return 0;
// lobby should default to alltalk, otherwise don't allow it
return strcmp(R2::g_pGlobals->m_pMapName, "mp_lobby");
}
ON_DLL_LOAD_RELIESON("engine.dll", ServerAllTalk, ConVar, (CModule module))
{
// replace strcmp function called in CClient::ProcessVoiceData with our own code that calls ShouldAllowAllTalk
MemoryAddress base = module.Offset(0x1085FA);
base.Patch("48 B8"); // mov rax, 64 bit int
// (uint8_t*)&ShouldAllowAlltalk doesn't work for some reason? need to make it a uint64 first
uint64_t pShouldAllowAllTalk = reinterpret_cast<uint64_t>(ShouldAllowAlltalk);
base.Offset(0x2).Patch((uint8_t*)&pShouldAllowAllTalk, 8);
base.Offset(0xA).Patch("FF D0"); // call rax
// nop until compare (test eax, eax)
base.Offset(0xC).NOP(0x7);
}