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authorJoe Ludwig <[email protected]>2013-06-26 15:22:04 -0700
committerJoe Ludwig <[email protected]>2013-06-26 15:22:04 -0700
commit39ed87570bdb2f86969d4be821c94b722dc71179 (patch)
treeabc53757f75f40c80278e87650ea92808274aa59 /mp/src/game/client/mumble.cpp
downloadsource-sdk-2013-39ed87570bdb2f86969d4be821c94b722dc71179.tar.xz
source-sdk-2013-39ed87570bdb2f86969d4be821c94b722dc71179.zip
First version of the SOurce SDK 2013
Diffstat (limited to 'mp/src/game/client/mumble.cpp')
-rw-r--r--mp/src/game/client/mumble.cpp248
1 files changed, 248 insertions, 0 deletions
diff --git a/mp/src/game/client/mumble.cpp b/mp/src/game/client/mumble.cpp
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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Provides an interface to enable positional audio support in Mumble
+//
+//===========================================================================//
+
+#if defined( WIN32 ) && !defined( _X360 )
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#elif defined( POSIX )
+#include <sys/mman.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#endif
+
+#include "cbase.h"
+#include "shareddefs.h"
+#include "view.h"
+#include "mumble.h"
+
+#if !defined( _X360 ) && !defined( NO_STEAM )
+#include "steam/isteamuser.h"
+#include "steam/steam_api.h"
+#endif
+
+const char *COM_GetModDirectory(); // return the mod dir (rather than the complete -game param, which can be a path)
+
+struct MumbleSharedMemory_t
+{
+#ifdef WIN32
+ uint32 uiVersion;
+ ulong uiTick;
+#else
+ uint32_t uiVersion;
+ uint32_t uiTick;
+#endif
+ float fAvatarPosition[3];
+ float fAvatarFront[3];
+ float fAvatarTop[3];
+ wchar_t name[256];
+ float fCameraPosition[3];
+ float fCameraFront[3];
+ float fCameraTop[3];
+ wchar_t identity[256];
+#ifdef WIN32
+ uint32 context_len;
+#else
+ uint32_t context_len;
+#endif
+ unsigned char context[256];
+ wchar_t description[2048];
+};
+
+MumbleSharedMemory_t *g_pMumbleMemory = NULL;
+#ifdef WIN32
+HANDLE g_hMapObject = NULL;
+#endif
+
+ConVar sv_mumble_positionalaudio( "sv_mumble_positionalaudio", "1", FCVAR_REPLICATED, "Allows players using Mumble to have support for positional audio." );
+
+//-----------------------------------------------------------------------------
+// Singleton
+//-----------------------------------------------------------------------------
+static CMumbleSystem g_MumbleSystem;
+
+IGameSystem *MumbleSystem()
+{
+ return &g_MumbleSystem;
+}
+
+bool CMumbleSystem::Init()
+{
+ m_bHasSetPlayerUniqueId = false;
+ m_nTeamSetInUniqueId = 0;
+ m_szSteamIDCurrentServer[0] = '\0';
+ m_cubSteamIDCurrentServer = 0;
+
+ ListenForGameEvent( "server_spawn" );
+
+ return true;
+}
+
+void CMumbleSystem::LevelInitPostEntity()
+{
+ if ( g_pMumbleMemory )
+ return;
+
+#if defined( WIN32 ) && !defined( _X360 )
+ g_hMapObject = OpenFileMappingW( FILE_MAP_ALL_ACCESS, FALSE, L"MumbleLink" );
+ if ( g_hMapObject == NULL )
+ return;
+
+ g_pMumbleMemory = (MumbleSharedMemory_t *) MapViewOfFile( g_hMapObject, FILE_MAP_ALL_ACCESS, 0, 0, sizeof(MumbleSharedMemory_t) );
+ if ( g_pMumbleMemory == NULL )
+ {
+ CloseHandle( g_hMapObject );
+ g_hMapObject = NULL;
+ return;
+ }
+#elif defined( POSIX )
+ char memname[256];
+ V_sprintf_safe( memname, "/MumbleLink.%d", getuid() );
+
+ int shmfd = shm_open( memname, O_RDWR, S_IRUSR | S_IWUSR );
+
+ if ( shmfd < 0 )
+ {
+ return;
+ }
+
+ g_pMumbleMemory = (MumbleSharedMemory_t *)( mmap( NULL, sizeof(struct MumbleSharedMemory_t), PROT_READ | PROT_WRITE, MAP_SHARED, shmfd,0 ) );
+
+ if ( g_pMumbleMemory == (void *)(-1) )
+ {
+ g_pMumbleMemory = NULL;
+ return;
+ }
+#endif
+}
+
+void CMumbleSystem::LevelShutdownPreEntity()
+{
+#if defined( WIN32 ) && !defined( _X360 )
+ if ( g_hMapObject )
+ {
+ CloseHandle( g_hMapObject );
+ g_pMumbleMemory = NULL;
+ g_hMapObject = NULL;
+ }
+#elif defined( POSIX )
+ if ( g_pMumbleMemory )
+ {
+ munmap( g_pMumbleMemory, sizeof(struct MumbleSharedMemory_t) );
+ g_pMumbleMemory = NULL;
+ }
+#endif
+}
+
+void VectorToMumbleFloatArray( const Vector &vec, float *rgfl )
+{
+ // Traditional left-handed coordinate system
+ rgfl[0] = vec.x; // X
+ rgfl[1] = vec.z; // Y is up
+ rgfl[2] = vec.y; // Z is into the screen
+}
+
+void CMumbleSystem::PostRender()
+{
+#ifndef NO_STEAM
+ if ( !g_pMumbleMemory || !sv_mumble_positionalaudio.GetBool() )
+ return;
+
+ if ( g_pMumbleMemory->uiVersion != 2 )
+ {
+ V_wcscpy_safe( g_pMumbleMemory->name, L"Source engine: " );
+ wchar_t wcsGameDir[MAX_PATH];
+ Q_UTF8ToUnicode( COM_GetModDirectory(), wcsGameDir, sizeof(wcsGameDir) );
+ V_wcscat_safe( g_pMumbleMemory->name, wcsGameDir );
+
+ V_wcscpy_safe( g_pMumbleMemory->description, L"Links Source engine games to Mumble." );
+ g_pMumbleMemory->uiVersion = 2;
+ }
+
+ g_pMumbleMemory->uiTick++;
+
+ Vector vecOriginPlayer, vecOriginCamera = MainViewOrigin();
+ QAngle anglesPlayer, anglesCamera = MainViewAngles();
+
+ C_BasePlayer *pPlayer = C_BasePlayer::GetLocalPlayer();
+ if ( pPlayer )
+ {
+ vecOriginPlayer = pPlayer->EyePosition();
+ anglesPlayer = pPlayer->GetAbsAngles();
+ }
+ else
+ {
+ vecOriginPlayer = vecOriginCamera;
+ anglesPlayer = anglesCamera;
+ }
+
+ anglesPlayer.x = 0;
+
+ Vector vecPlayerForward, vecPlayerUp, vecCameraForward, vecCameraUp;
+ AngleVectors( anglesPlayer, &vecPlayerForward, NULL, &vecPlayerUp );
+ AngleVectors( anglesCamera, &vecCameraForward, NULL, &vecCameraUp );
+
+ // 1 Source unit is about one inch
+ // 1 mumble unit = 1 meter
+ vecOriginPlayer *= METERS_PER_INCH;
+ vecOriginCamera *= METERS_PER_INCH;
+
+ VectorToMumbleFloatArray( vecPlayerForward, g_pMumbleMemory->fAvatarFront );
+ VectorToMumbleFloatArray( vecPlayerUp, g_pMumbleMemory->fAvatarTop );
+ VectorToMumbleFloatArray( vecOriginPlayer, g_pMumbleMemory->fAvatarPosition );
+
+ VectorToMumbleFloatArray( vecCameraForward, g_pMumbleMemory->fCameraFront );
+ VectorToMumbleFloatArray( vecCameraUp, g_pMumbleMemory->fCameraTop );
+ VectorToMumbleFloatArray( vecOriginCamera, g_pMumbleMemory->fCameraPosition );
+
+ if ( pPlayer && m_bHasSetPlayerUniqueId && m_nTeamSetInUniqueId != pPlayer->GetTeamNumber() )
+ {
+ // Player changed team since we set the unique ID. Set it again.
+ m_bHasSetPlayerUniqueId = false;
+ }
+
+ if ( !m_bHasSetPlayerUniqueId && steamapicontext && steamapicontext->SteamUser() )
+ {
+ CSteamID steamid = steamapicontext->SteamUser()->GetSteamID();
+ if ( steamid.IsValid() )
+ {
+ int unTeam = pPlayer ? pPlayer->GetTeamNumber() : 0;
+ char szSteamId[256];
+ V_sprintf_safe( szSteamId, "universe:%u;account_type:%u;id:%u;instance:%u;team:%d", steamid.GetEUniverse(), steamid.GetEAccountType(), steamid.GetAccountID(), steamid.GetUnAccountInstance(), unTeam );
+
+ wchar_t wcsSteamId[256];
+ Q_UTF8ToUnicode( szSteamId, wcsSteamId, sizeof(wcsSteamId) );
+
+ // Identifier which uniquely identifies a certain player in a context.
+ V_wcscpy_safe( g_pMumbleMemory->identity, wcsSteamId );
+
+ m_bHasSetPlayerUniqueId = true;
+ m_nTeamSetInUniqueId = unTeam;
+ }
+ }
+
+ // Context should be equal for players which should be able to hear each other positional and
+ // differ for those who shouldn't (e.g. it could contain the server+port and team)
+ memcpy( g_pMumbleMemory->context, &m_szSteamIDCurrentServer, m_cubSteamIDCurrentServer );
+ g_pMumbleMemory->context_len = m_cubSteamIDCurrentServer;
+#endif // NO_STEAM
+}
+
+void CMumbleSystem::FireGameEvent( IGameEvent *event )
+{
+#ifndef NO_STEAM
+ const char *eventname = event->GetName();
+
+ if ( !eventname || !eventname[0] )
+ return;
+
+ if ( !Q_strcmp( "server_spawn", eventname ) )
+ {
+ V_strcpy_safe( m_szSteamIDCurrentServer, event->GetString( "steamid", "" ) );
+ m_cubSteamIDCurrentServer = strlen( m_szSteamIDCurrentServer ) + 1;
+ }
+#endif // NO_STEAM
+}