//-----------------------------------------------------------------------------
// Purpose: Render current view into specified rectangle
// Input : *rect - is computed by CVideoMode_Common::GetClientViewRect()
//-----------------------------------------------------------------------------
void CViewRender::Render( vrect_t *rect )
{
Assert(s_DbgSetupOrigin == m_View.origin);
Assert(s_DbgSetupAngles == m_View.angles);
VPROF_BUDGET( "CViewRender::Render", "CViewRender::Render" );
tmZone( TELEMETRY_LEVEL0, TMZF_NONE, "%s", __FUNCTION__ );
vrect_t vr = *rect;
// Stub out the material system if necessary.
CMatStubHandler matStub;
engine->EngineStats_BeginFrame();
// Assume normal vis
m_bForceNoVis = false;
C_BasePlayer *pPlayer = C_BasePlayer::GetLocalPlayer();
// Set for console commands, etc.
render->SetMainView ( m_View.origin, m_View.angles );
for( StereoEye_t eEye = GetFirstEye(); eEye <= GetLastEye(); eEye = (StereoEye_t)(eEye+1) )
{
CViewSetup &view = GetView( eEye );
#if 0 && defined( CSTRIKE_DLL )
const bool bPlayingBackReplay = g_pEngineClientReplay && g_pEngineClientReplay->IsPlayingReplayDemo();
if ( pPlayer && !bPlayingBackReplay )
{
C_BasePlayer *pViewTarget = pPlayer;
if ( pPlayer->IsObserver() && pPlayer->GetObserverMode() == OBS_MODE_IN_EYE )
{
pViewTarget = dynamic_cast<C_BasePlayer*>( pPlayer->GetObserverTarget() );
}
if ( pViewTarget )
{
float targetFOV = (float)pViewTarget->m_iFOV;
if ( targetFOV == 0 )
{
// FOV of 0 means use the default FOV
targetFOV = g_pGameRules->DefaultFOV();
}
float deltaFOV = view.fov - m_flLastFOV;
float FOVDirection = targetFOV - pViewTarget->m_iFOVStart;
// Clamp FOV changes to stop FOV oscillation
if ( ( deltaFOV < 0.0f && FOVDirection > 0.0f ) ||
( deltaFOV > 0.0f && FOVDirection < 0.0f ) )
{
view.fov = m_flLastFOV;
}
// Catch case where FOV overshoots its target FOV
if ( ( view.fov < targetFOV && FOVDirection <= 0.0f ) ||
( view.fov > targetFOV && FOVDirection >= 0.0f ) )
{
view.fov = targetFOV;
}
m_flLastFOV = view.fov;
}
}
#endif
static ConVarRef sv_restrict_aspect_ratio_fov( "sv_restrict_aspect_ratio_fov" );
float aspectRatio = engine->GetScreenAspectRatio() * 0.75f; // / (4/3)
float limitedAspectRatio = aspectRatio;
if ( ( sv_restrict_aspect_ratio_fov.GetInt() > 0 && engine->IsWindowedMode() && gpGlobals->maxClients > 1 ) ||
sv_restrict_aspect_ratio_fov.GetInt() == 2 )
{
limitedAspectRatio = MIN( aspectRatio, 1.85f * 0.75f ); // cap out the FOV advantage at a 1.85:1 ratio (about the widest any legit user should be)
}
view.fov = ScaleFOVByWidthRatio( view.fov, limitedAspectRatio );
view.fovViewmodel = ScaleFOVByWidthRatio( view.fovViewmodel, aspectRatio );
// Let the client mode hook stuff.
g_pClientMode->PreRender(&view);
g_pClientMode->AdjustEngineViewport( vr.x, vr.y, vr.width, vr.height );
ToolFramework_AdjustEngineViewport( vr.x, vr.y, vr.width, vr.height );
float flViewportScale = mat_viewportscale.GetFloat();
view.m_nUnscaledX = vr.x;
view.m_nUnscaledY = vr.y;
view.m_nUnscaledWidth = vr.width;
view.m_nUnscaledHeight = vr.height;
switch( eEye )
{
case STEREO_EYE_MONO:
{
#if 0
// Good test mode for debugging viewports that are not full-size.
view.width = vr.width * flViewportScale * 0.75f;
view.height = vr.height * flViewportScale * 0.75f;
view.x = vr.x + view.width * 0.10f;
view.y = vr.y + view.height * 0.20f;
#else
view.x = vr.x * flViewportScale;
view.y = vr.y * flViewportScale;
view.width = vr.width * flViewportScale;
view.height = vr.height * flViewportScale;
#endif
float engineAspectRatio = engine->GetScreenAspectRatio();
view.m_flAspectRatio = ( engineAspectRatio > 0.0f ) ? engineAspectRatio : ( (float)view.width / (float)view.height );
}
break;
case STEREO_EYE_RIGHT:
case STEREO_EYE_LEFT:
{
g_pSourceVR->GetViewportBounds( (ISourceVirtualReality::VREye)(eEye - 1 ), &view.x, &view.y, &view.width, &view.height );
view.m_nUnscaledWidth = view.width;
view.m_nUnscaledHeight = view.height;
view.m_nUnscaledX = view.x;
view.m_nUnscaledY = view.y;
}
break;
default:
Assert ( false );
break;
}
// if we still don't have an aspect ratio, compute it from the view size
if( view.m_flAspectRatio <= 0.f )
view.m_flAspectRatio = (float)view.width / (float)view.height;
int nClearFlags = VIEW_CLEAR_DEPTH | VIEW_CLEAR_STENCIL;
if( gl_clear_randomcolor.GetBool() )
{
CMatRenderContextPtr pRenderContext( materials );
pRenderContext->ClearColor3ub( rand()%256, rand()%256, rand()%256 );
pRenderContext->ClearBuffers( true, false, false );
pRenderContext->Release();
}
else if ( gl_clear.GetBool() )
{
nClearFlags |= VIEW_CLEAR_COLOR;
}
else if ( IsPosix() )
{
MaterialAdapterInfo_t adapterInfo;
materials->GetDisplayAdapterInfo( materials->GetCurrentAdapter(), adapterInfo );
// On Posix, on ATI, we always clear color if we're antialiasing
if ( adapterInfo.m_VendorID == 0x1002 )
{
if ( g_pMaterialSystem->GetCurrentConfigForVideoCard().m_nAASamples > 0 )
{
nClearFlags |= VIEW_CLEAR_COLOR;
}
}
}
// Determine if we should draw view model ( client mode override )
bool drawViewModel = g_pClientMode->ShouldDrawViewModel();
if ( cl_leveloverview.GetFloat() > 0 )
{
SetUpOverView();
nClearFlags |= VIEW_CLEAR_COLOR;
drawViewModel = false;
}
// Apply any player specific overrides
if ( pPlayer )
{
// Override view model if necessary
if ( !pPlayer->m_Local.m_bDrawViewmodel )
{
drawViewModel = false;
}
}
int flags = 0;
if( eEye == STEREO_EYE_MONO || eEye == STEREO_EYE_LEFT || ( g_ClientVirtualReality.ShouldRenderHUDInWorld() ) )
{
flags = RENDERVIEW_DRAWHUD;
}
if ( drawViewModel )
{
flags |= RENDERVIEW_DRAWVIEWMODEL;
}
if( eEye == STEREO_EYE_RIGHT )
{
// we should use the monitor view from the left eye for both eyes
flags |= RENDERVIEW_SUPPRESSMONITORRENDERING;
}
RenderView( view, nClearFlags, flags );
if ( UseVR() )
{
bool bDoUndistort = ! engine->IsTakingScreenshot();
if ( bDoUndistort )
{
g_ClientVirtualReality.PostProcessFrame( eEye );
}
// logic here all cloned from code in viewrender.cpp around RenderHUDQuad:
// figure out if we really want to draw the HUD based on freeze cam
bool bInFreezeCam = ( pPlayer && pPlayer->GetObserverMode() == OBS_MODE_FREEZECAM );
// draw the HUD after the view model so its "I'm closer" depth queues work right.
if( !bInFreezeCam && g_ClientVirtualReality.ShouldRenderHUDInWorld() )
{
// TODO - a bit of a shonky test - basically trying to catch the main menu, the briefing screen, the loadout screen, etc.
bool bTranslucent = !g_pMatSystemSurface->IsCursorVisible();
g_ClientVirtualReality.OverlayHUDQuadWithUndistort( view, bDoUndistort, g_pClientMode->ShouldBlackoutAroundHUD(), bTranslucent );
}
}
}
// TODO: should these be inside or outside the stereo eye stuff?
g_pClientMode->PostRender();
engine->EngineStats_EndFrame();
#if !defined( _X360 )
// Stop stubbing the material system so we can see the budget panel
matStub.End();
#endif
// Draw all of the UI stuff "fullscreen"
// (this is not health, ammo, etc. Nor is it pre-game briefing interface stuff - this is the stuff that appears when you hit Esc in-game)
// In stereo mode this is rendered inside of RenderView so it goes into the render target
if( !g_ClientVirtualReality.ShouldRenderHUDInWorld() )
{
CViewSetup view2d;
view2d.x = rect->x;
view2d.y = rect->y;
view2d.width = rect->width;
view2d.height = rect->height;
render->Push2DView( view2d, 0, NULL, GetFrustum() );
render->VGui_Paint( PAINT_UIPANELS | PAINT_CURSOR );
render->PopView( GetFrustum() );
}
}
FSReturnCode_t SetSteamInstallPath( char *steamInstallPath, int steamInstallPathLen, CSteamEnvVars &steamEnvVars, bool bErrorsAsWarnings )
{
if ( IsConsole() )
{
// consoles don't use steam
return FS_MISSING_STEAM_DLL;
}
if ( IsPosix() )
return FS_OK; // under posix the content does not live with steam.dll up the path, rely on the environment already being set by steam
// Start at our bin directory and move up until we find a directory with steam.dll in it.
char executablePath[MAX_PATH];
if ( !FileSystem_GetExecutableDir( executablePath, sizeof( executablePath ) ) )
{
if ( bErrorsAsWarnings )
{
Warning( "SetSteamInstallPath: FileSystem_GetExecutableDir failed.\n" );
return FS_INVALID_PARAMETERS;
}
else
{
return SetupFileSystemError( false, FS_INVALID_PARAMETERS, "FileSystem_GetExecutableDir failed." );
}
}
Q_strncpy( steamInstallPath, executablePath, steamInstallPathLen );
#ifdef WIN32
const char *pchSteamDLL = "steam.dll";
#elif defined(OSX)
// under osx the bin lives in the bin/ folder, so step back one
Q_StripLastDir( steamInstallPath, steamInstallPathLen );
const char *pchSteamDLL = "libsteam.dylib";
#elif defined(LINUX)
// under linux the bin lives in the bin/ folder, so step back one
Q_StripLastDir( steamInstallPath, steamInstallPathLen );
const char *pchSteamDLL = "libsteam.so";
#else
#error
#endif
while ( 1 )
{
// Ignore steamapp.cfg here in case they're debugging. We still need to know the real steam path so we can find their username.
// find
if ( DoesFileExistIn( steamInstallPath, pchSteamDLL ) && !DoesFileExistIn( steamInstallPath, "steamapp.cfg" ) )
break;
if ( !Q_StripLastDir( steamInstallPath, steamInstallPathLen ) )
{
if ( bErrorsAsWarnings )
{
Warning( "Can't find %s relative to executable path: %s.\n", pchSteamDLL, executablePath );
return FS_MISSING_STEAM_DLL;
}
else
{
return SetupFileSystemError( false, FS_MISSING_STEAM_DLL, "Can't find %s relative to executable path: %s.", pchSteamDLL, executablePath );
}
}
}
// Also, add the install path to their PATH environment variable, so filesystem_steam.dll can get to steam.dll.
char szPath[ 8192 ];
steamEnvVars.m_Path.GetValue( szPath, sizeof( szPath ) );
if ( !DoesPathExistAlready( szPath, steamInstallPath ) )
{
#ifdef WIN32
#define PATH_SEP ";"
#else
#define PATH_SEP ":"
#endif
steamEnvVars.m_Path.SetValue( "%s%s%s", szPath, PATH_SEP, steamInstallPath );
}
return FS_OK;
}
