iw4x-client/src/Components/Modules/Voice.cpp

407 lines
12 KiB
C++

#include <STDInclude.hpp>
#include "Voice.hpp"
namespace Components
{
Game::VoicePacket_t Voice::VoicePackets[Game::MAX_CLIENTS][MAX_SERVER_QUEUED_VOICE_PACKETS];
int Voice::VoicePacketCount[Game::MAX_CLIENTS];
bool Voice::MuteList[Game::MAX_CLIENTS];
bool Voice::S_PlayerMute[Game::MAX_CLIENTS];
const Game::dvar_t* Voice::sv_voice;
bool Voice::SV_VoiceEnabled()
{
return sv_voice->current.enabled;
}
void Voice::SV_WriteVoiceDataToClient(const int clientNum, Game::msg_t* msg)
{
assert(VoicePacketCount[clientNum] >= 0);
assert(VoicePacketCount[clientNum] <= MAX_SERVER_QUEUED_VOICE_PACKETS);
Game::MSG_WriteByte(msg, VoicePacketCount[clientNum]);
for (auto packet = 0; packet < VoicePacketCount[clientNum]; ++packet)
{
Game::MSG_WriteByte(msg, VoicePackets[clientNum][packet].talker);
assert(VoicePackets[clientNum][packet].dataSize < (2 << 15));
Game::MSG_WriteByte(msg, VoicePackets[clientNum][packet].dataSize);
Game::MSG_WriteData(msg, VoicePackets[clientNum][packet].data, VoicePackets[clientNum][packet].dataSize);
}
assert(!msg->overflowed);
}
void Voice::SV_SendClientVoiceData(Game::client_t* client)
{
Game::msg_t msg{};
const auto clientNum = client - Game::svs_clients;
const auto msg_buf_large = std::make_unique<unsigned char[]>(0x10000);
auto* msg_buf = msg_buf_large.get();
assert(VoicePacketCount[clientNum] >= 0);
if (client->header.state == Game::CS_ACTIVE && VoicePacketCount[clientNum])
{
Game::MSG_Init(&msg, msg_buf, 0x10000);
assert(msg.cursize == 0);
assert(msg.bit == 0);
Game::MSG_WriteString(&msg, "v");
SV_WriteVoiceDataToClient(clientNum, &msg);
if (msg.overflowed)
{
Logger::Warning(Game::CON_CHANNEL_SERVER, "WARNING: voice msg overflowed for {}\n", client->name);
}
else
{
Game::NET_OutOfBandVoiceData(Game::NS_SERVER, client->header.netchan.remoteAddress, msg.data, msg.cursize, true);
VoicePacketCount[clientNum] = 0;
}
}
}
void Voice::SV_SendClientMessages_Stub(Game::client_t* client, Game::msg_t* msg, unsigned char* snapshotMsgBuf)
{
// SV_EndClientSnapshot
Utils::Hook::Call<void(Game::client_t*, Game::msg_t*, unsigned char*)>(0x4F5300)(client, msg, snapshotMsgBuf);
SV_SendClientVoiceData(client);
}
void Voice::SV_ClearMutedList()
{
std::memset(MuteList, 0, sizeof(MuteList));
}
void Voice::SV_MuteClient(const int muteClientIndex)
{
AssertIn(muteClientIndex, Game::MAX_CLIENTS);
MuteList[muteClientIndex] = true;
}
void Voice::SV_UnmuteClient(const int muteClientIndex)
{
AssertIn(muteClientIndex, Game::MAX_CLIENTS);
MuteList[muteClientIndex] = false;
}
bool Voice::SV_ServerHasClientMuted(const int talker)
{
AssertIn(talker, (*Game::sv_maxclients)->current.integer);
return MuteList[talker];
}
bool Voice::OnSameTeam(const Game::gentity_s* ent1, const Game::gentity_s* ent2)
{
if (!ent1->client || !ent2->client)
{
return false;
}
if (ent1->client->sess.cs.team)
{
return ent1->client->sess.cs.team == ent2->client->sess.cs.team;
}
return false;
}
void Voice::SV_QueueVoicePacket(const int talkerNum, const int clientNum, const Game::VoicePacket_t* voicePacket)
{
assert(talkerNum >= 0);
assert(clientNum >= 0);
assert(talkerNum < (*Game::sv_maxclients)->current.integer);
assert(clientNum < (*Game::sv_maxclients)->current.integer);
if (VoicePacketCount[clientNum] < MAX_SERVER_QUEUED_VOICE_PACKETS)
{
VoicePackets[clientNum][VoicePacketCount[clientNum]].dataSize = voicePacket->dataSize;
std::memcpy(VoicePackets[clientNum][VoicePacketCount[clientNum]].data, voicePacket->data, voicePacket->dataSize);
assert(talkerNum == static_cast<std::uint8_t>(talkerNum));
VoicePackets[clientNum][VoicePacketCount[clientNum]].talker = static_cast<char>(talkerNum);
++VoicePacketCount[clientNum];
}
}
void Voice::G_BroadcastVoice(Game::gentity_s* talker, const Game::VoicePacket_t* voicePacket)
{
for (auto otherPlayer = 0; otherPlayer < (*Game::sv_maxclients)->current.integer; ++otherPlayer)
{
auto* ent = &Game::g_entities[otherPlayer];
auto* client = ent->client;
if (ent->r.isInUse && client && (client->sess.sessionState == Game::SESS_STATE_INTERMISSION || OnSameTeam(talker, ent) || talker->client->sess.cs.team == Game::TEAM_FREE) &&
(ent->client->sess.sessionState == talker->client->sess.sessionState || (ent->client->sess.sessionState == Game::SESS_STATE_DEAD || talker->client->sess.sessionState == Game::SESS_STATE_DEAD) &&
(*Game::g_deadChat)->current.enabled) && (talker != ent) && !SV_ServerHasClientMuted(talker->s.number))
{
SV_QueueVoicePacket(talker->s.number, otherPlayer, voicePacket);
}
}
}
void Voice::SV_UserVoice(Game::client_t* cl, Game::msg_t* msg)
{
Game::VoicePacket_t voicePacket{};
if (!SV_VoiceEnabled())
{
return;
}
const auto packetCount = Game::MSG_ReadByte(msg);
assert(cl->gentity);
for (auto packet = 0; packet < packetCount; ++packet)
{
voicePacket.dataSize = Game::MSG_ReadByte(msg);
if (voicePacket.dataSize <= 0 || voicePacket.dataSize > MAX_VOICE_PACKET_DATA)
{
Logger::Print(Game::CON_CHANNEL_SERVER, "Received invalid voice packet of size {} from {}\n", voicePacket.dataSize, cl->name);
return;
}
assert(voicePacket.dataSize <= MAX_VOICE_PACKET_DATA);
assert(msg->data);
assert(voicePacket.data);
Game::MSG_ReadData(msg, voicePacket.data, voicePacket.dataSize);
G_BroadcastVoice(cl->gentity, &voicePacket);
}
}
void Voice::SV_PreGameUserVoice(Game::client_t* cl, Game::msg_t* msg)
{
Game::VoicePacket_t voicePacket{};
if (!SV_VoiceEnabled())
{
return;
}
const auto talker = cl - Game::svs_clients;
AssertIn(talker, (*Game::sv_maxclients)->current.integer);
const auto packetCount = Game::MSG_ReadByte(msg);
for (auto packet = 0; packet < packetCount; ++packet)
{
voicePacket.dataSize = Game::MSG_ReadShort(msg);
if (voicePacket.dataSize <= 0 || voicePacket.dataSize > MAX_VOICE_PACKET_DATA)
{
Logger::Print(Game::CON_CHANNEL_SERVER, "Received invalid voice packet of size {} from {}\n", voicePacket.dataSize, cl->name);
return;
}
assert(voicePacket.dataSize <= MAX_VOICE_PACKET_DATA);
assert(msg->data);
assert(voicePacket.data);
Game::MSG_ReadData(msg, voicePacket.data, voicePacket.dataSize);
for (auto otherPlayer = 0; otherPlayer < (*Game::sv_maxclients)->current.integer; ++otherPlayer)
{
if (otherPlayer != talker && Game::svs_clients[otherPlayer].header.state >= Game::CS_CONNECTED && !SV_ServerHasClientMuted(talker))
{
SV_QueueVoicePacket(talker, otherPlayer, &voicePacket);
}
}
}
}
void Voice::SV_VoicePacket(Game::netadr_t from, Game::msg_t* msg)
{
const auto qport = Game::MSG_ReadShort(msg);
auto* cl = Game::SV_FindClientByAddress(from, qport, 0);
if (!cl || cl->header.state == Game::CS_ZOMBIE)
{
return;
}
cl->lastPacketTime = *Game::svs_time;
if (cl->header.state < Game::CS_ACTIVE)
{
SV_PreGameUserVoice(cl, msg);
}
else
{
assert(cl->gentity);
SV_UserVoice(cl, msg);
}
}
void Voice::CL_WriteVoicePacket_Hk(const int localClientNum)
{
const auto connstate = Game::CL_GetLocalClientConnectionState(localClientNum);
const auto clc = Game::CL_GetLocalClientConnection(localClientNum);
const auto* vc = Game::CL_GetLocalClientVoiceCommunication(localClientNum);
if (clc->demoplaying || (connstate < Game::CA_LOADING))
{
return;
}
unsigned char voicePacketBuf[0x800]{};
Game::msg_t msg{};
Game::MSG_Init(&msg, voicePacketBuf, sizeof(voicePacketBuf));
Game::MSG_WriteString(&msg, "v");
Game::MSG_WriteShort(&msg, clc->qport);
Game::MSG_WriteByte(&msg, vc->voicePacketCount);
for (auto voicePacket = 0; voicePacket < vc->voicePacketCount; ++voicePacket)
{
assert(vc->voicePackets[voicePacket].dataSize > 0);
assert(vc->voicePackets[voicePacket].dataSize < (2 << 15));
Game::MSG_WriteByte(&msg, vc->voicePackets[voicePacket].dataSize);
Game::MSG_WriteData(&msg, vc->voicePackets[voicePacket].data, vc->voicePackets[voicePacket].dataSize);
}
Game::NET_OutOfBandVoiceData(clc->netchan.sock, clc->serverAddress, msg.data, msg.cursize, true);
if ((*Game::cl_showSend)->current.enabled)
{
Logger::Print(Game::CON_CHANNEL_CLIENT, "voice: {}\n", msg.cursize);
}
}
void Voice::CL_ClearMutedList()
{
std::memset(S_PlayerMute, 0, sizeof(S_PlayerMute));
}
bool Voice::CL_IsPlayerTalking_Hk([[maybe_unused]] Game::SessionData* session, [[maybe_unused]] const int localClientNum, const int talkingClientIndex)
{
// Skip all the Party related code
return Game::Voice_IsClientTalking(talkingClientIndex);
}
bool Voice::CL_IsPlayerMuted_Hk([[maybe_unused]] Game::SessionData* session, [[maybe_unused]] const int localClientNum, const int muteClientIndex)
{
AssertIn(muteClientIndex, Game::MAX_CLIENTS);
return S_PlayerMute[muteClientIndex];
}
void Voice::CL_MutePlayer_Hk([[maybe_unused]] Game::SessionData* session, const int muteClientIndex)
{
AssertIn(muteClientIndex, Game::MAX_CLIENTS);
S_PlayerMute[muteClientIndex] = true;
}
void Voice::Voice_UnmuteMember_Hk([[maybe_unused]] Game::SessionData* session, const int clientNum)
{
AssertIn(clientNum, Game::MAX_CLIENTS);
S_PlayerMute[clientNum] = false;
}
void Voice::CL_TogglePlayerMute(const int localClientNum, const int muteClientIndex)
{
AssertIn(muteClientIndex, Game::MAX_CLIENTS);
if (CL_IsPlayerMuted_Hk(nullptr, localClientNum, muteClientIndex))
{
Voice_UnmuteMember_Hk(nullptr, muteClientIndex);
}
else
{
CL_MutePlayer_Hk(nullptr, muteClientIndex);
}
}
void Voice::CL_VoicePacket_Hk(const int localClientNum, Game::msg_t* msg)
{
const auto numPackets = Game::MSG_ReadByte(msg);
if (numPackets < 0 || numPackets > MAX_SERVER_QUEUED_VOICE_PACKETS)
{
return;
}
Game::VoicePacket_t voicePacket{};
for (auto packet = 0; packet < numPackets; ++packet)
{
voicePacket.talker = static_cast<char>(Game::MSG_ReadByte(msg));
voicePacket.dataSize = Game::MSG_ReadByte(msg);
if (voicePacket.dataSize <= 0 || voicePacket.dataSize > MAX_VOICE_PACKET_DATA)
{
Logger::Print(Game::CON_CHANNEL_CLIENT, "Invalid server voice packet of {} bytes\n", voicePacket.dataSize);
return;
}
Game::MSG_ReadData(msg, voicePacket.data, voicePacket.dataSize);
if (static_cast<unsigned char>(voicePacket.talker) >= Game::MAX_CLIENTS)
{
Logger::Print(Game::CON_CHANNEL_CLIENT, "Invalid voice packet - talker was {}\n", voicePacket.talker);
return;
}
if (!CL_IsPlayerMuted_Hk(nullptr, localClientNum, voicePacket.talker))
{
if ((*Game::cl_voice)->current.enabled)
{
Game::Voice_IncomingVoiceData(nullptr, voicePacket.talker, reinterpret_cast<unsigned char*>(voicePacket.data), voicePacket.dataSize);
}
}
}
}
void Voice::UI_Mute_player(const int clientNum, const int localClientNum)
{
CL_TogglePlayerMute(localClientNum, Game::sharedUiInfo->playerClientNums[clientNum]);
}
__declspec(naked) void Voice::UI_Mute_Player_Stub()
{
__asm
{
push eax
call UI_Mute_player
add esp, 8 // Game already pushed localClientNum
pop edi
pop esi
add esp, 0xC00
ret
}
}
Voice::Voice()
{
AssertOffset(Game::clientUIActive_t, connectionState, 0x9B8);
std::memset(VoicePackets, 0, sizeof(VoicePackets));
std::memset(VoicePacketCount, 0, sizeof(VoicePacketCount));
SV_ClearMutedList();
CL_ClearMutedList();
Events::OnSteamDisconnect(CL_ClearMutedList);
Events::OnClientDisconnect(SV_UnmuteClient);
// Write voice packets to the server instead of other clients
Utils::Hook(0x487935, CL_WriteVoicePacket_Hk, HOOK_CALL).install()->quick();
Utils::Hook(0x5AD945, CL_WriteVoicePacket_Hk, HOOK_CALL).install()->quick();
Utils::Hook(0x5A9E06, CL_VoicePacket_Hk, HOOK_CALL).install()->quick();
Utils::Hook(0x4AE740, CL_IsPlayerTalking_Hk, HOOK_JUMP).install()->quick();
Utils::Hook(0x4B6250, CL_IsPlayerMuted_Hk, HOOK_JUMP).install()->quick();
Utils::Hook(0x4519F5, SV_SendClientMessages_Stub, HOOK_CALL).install()->quick();
// Recycle packet handler for 'icanthear'
Utils::Hook::Set<const char*>(0x62673F, "v");
Utils::Hook(0x626787, SV_VoicePacket, HOOK_CALL).install()->quick();
Utils::Hook(0x45F041, UI_Mute_Player_Stub, HOOK_JUMP).install()->quick();
Utils::Hook(0x4C6B50, Voice_UnmuteMember_Hk, HOOK_JUMP).install()->quick();
Utils::Hook(0x43F460, CL_MutePlayer_Hk, HOOK_JUMP).install()->quick();
sv_voice = Game::Dvar_RegisterBool("sv_voice", false, Game::DVAR_NONE, "Use server side voice communications");
}
}