From 7720e514934fd933502876fab2666a3c4a4516a3 Mon Sep 17 00:00:00 2001 From: BobTheBob <32057864+BobTheBob9@users.noreply.github.com> Date: Wed, 8 Mar 2023 00:55:12 +0000 Subject: Fix `sv_alltalk 1` (broken originally by respawn changes) (#291) * fix sv_alltalk 1 (broken originally by respawn changes) * nvm i forgor to commit literally the main file * fix formatting * unsure why this was buidling but it shouldn't've been? fix build errors regardless * remove duplicate alltalk.cpp * add (experimental) potentially less jank patch * (now working) better patch for checking if alltalk is enabled * oops put a z in it boo womp * fixup formatting --- NorthstarDLL/server/alltalk.cpp | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 NorthstarDLL/server/alltalk.cpp (limited to 'NorthstarDLL/server') diff --git a/NorthstarDLL/server/alltalk.cpp b/NorthstarDLL/server/alltalk.cpp new file mode 100644 index 00000000..6283a1a2 --- /dev/null +++ b/NorthstarDLL/server/alltalk.cpp @@ -0,0 +1,28 @@ +#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(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); +} -- cgit v1.2.3