void CGlowOverlay::Draw( bool bCacheFullSceneState )
{
extern ConVar r_drawsprites;
if( !r_drawsprites.GetBool() )
return;
// Get the vector to the sun.
Vector vToGlow;
if( m_bDirectional )
vToGlow = m_vDirection;
else
vToGlow = m_vPos - CurrentViewOrigin();
VectorNormalize( vToGlow );
float flDot = vToGlow.Dot( CurrentViewForward() );
UpdateGlowObstruction( vToGlow, bCacheFullSceneState );
if( m_flGlowObstructionScale == 0 )
return;
bool bWireframe = ShouldDrawInWireFrameMode() || (r_drawsprites.GetInt() == 2);
CMatRenderContextPtr pRenderContext( materials );
for( int iSprite=0; iSprite < m_nSprites; iSprite++ )
{
CGlowSprite *pSprite = &m_Sprites[iSprite];
// Figure out the color and size to draw it.
float flHorzSize, flVertSize;
Vector vColor;
CalcSpriteColorAndSize( flDot, pSprite, &flHorzSize, &flVertSize, &vColor );
// If we're alpha'd out, then don't bother
if ( vColor.LengthSqr() < 0.00001f )
continue;
// Setup the basis to draw the sprite.
Vector vBasePt, vUp, vRight;
CalcBasis( vToGlow, flHorzSize, flVertSize, vBasePt, vUp, vRight );
//Get our diagonal radius
float radius = (vRight+vUp).Length();
if ( R_CullSphere( view->GetFrustum(), 5, &vBasePt, radius ) )
continue;
// Get our material (deferred default load)
if ( m_Sprites[iSprite].m_pMaterial == NULL )
{
m_Sprites[iSprite].m_pMaterial = materials->FindMaterial( "sprites/light_glow02_add_noz", TEXTURE_GROUP_CLIENT_EFFECTS );
}
Assert( m_Sprites[iSprite].m_pMaterial );
static unsigned int nHDRColorScaleCache = 0;
IMaterialVar *pHDRColorScaleVar = m_Sprites[iSprite].m_pMaterial->FindVarFast( "$hdrcolorscale", &nHDRColorScaleCache );
if( pHDRColorScaleVar )
{
pHDRColorScaleVar->SetFloatValue( m_flHDRColorScale );
}
// Draw the sprite.
IMesh *pMesh = pRenderContext->GetDynamicMesh( false, 0, 0, m_Sprites[iSprite].m_pMaterial );
CMeshBuilder builder;
builder.Begin( pMesh, MATERIAL_QUADS, 1 );
Vector vPt;
vPt = vBasePt - vRight + vUp;
builder.Position3fv( vPt.Base() );
builder.Color4f( VectorExpand(vColor), 1 );
builder.TexCoord2f( 0, 0, 1 );
builder.AdvanceVertex();
vPt = vBasePt + vRight + vUp;
builder.Position3fv( vPt.Base() );
builder.Color4f( VectorExpand(vColor), 1 );
builder.TexCoord2f( 0, 1, 1 );
builder.AdvanceVertex();
vPt = vBasePt + vRight - vUp;
builder.Position3fv( vPt.Base() );
builder.Color4f( VectorExpand(vColor), 1 );
builder.TexCoord2f( 0, 1, 0 );
builder.AdvanceVertex();
vPt = vBasePt - vRight - vUp;
builder.Position3fv( vPt.Base() );
builder.Color4f( VectorExpand(vColor), 1 );
builder.TexCoord2f( 0, 0, 0 );
builder.AdvanceVertex();
builder.End( false, true );
if( bWireframe )
{
IMaterial *pWireframeMaterial = materials->FindMaterial( "debug/debugwireframevertexcolor", TEXTURE_GROUP_OTHER );
pRenderContext->Bind( pWireframeMaterial );
// Draw the sprite.
IMesh *pMesh = pRenderContext->GetDynamicMesh( false, 0, 0, pWireframeMaterial );
CMeshBuilder builder;
builder.Begin( pMesh, MATERIAL_QUADS, 1 );
Vector vPt;
vPt = vBasePt - vRight + vUp;
builder.Position3fv( vPt.Base() );
builder.Color3f( 1.0f, 0.0f, 0.0f );
builder.AdvanceVertex();
vPt = vBasePt + vRight + vUp;
builder.Position3fv( vPt.Base() );
builder.Color3f( 1.0f, 0.0f, 0.0f );
builder.AdvanceVertex();
vPt = vBasePt + vRight - vUp;
builder.Position3fv( vPt.Base() );
builder.Color3f( 1.0f, 0.0f, 0.0f );
builder.AdvanceVertex();
vPt = vBasePt - vRight - vUp;
builder.Position3fv( vPt.Base() );
builder.Color3f( 1.0f, 0.0f, 0.0f );
builder.AdvanceVertex();
builder.End( false, true );
}
}
}
//-----------------------------------------------------------------------------
// Purpose: Special draw for the warped overlay
//-----------------------------------------------------------------------------
void CWarpOverlay::Draw( bool bCacheFullSceneState )
{
// Get the vector to the sun.
Vector vToGlow;
if( m_bDirectional )
vToGlow = m_vDirection;
else
vToGlow = m_vPos - CurrentViewOrigin();
VectorNormalize( vToGlow );
float flDot = vToGlow.Dot( CurrentViewForward() );
if( flDot <= g_flOverlayRange )
return;
UpdateGlowObstruction( vToGlow, bCacheFullSceneState );
if( m_flGlowObstructionScale == 0 )
return;
CMatRenderContextPtr pRenderContext( materials );
//FIXME: Allow multiple?
for( int iSprite=0; iSprite < m_nSprites; iSprite++ )
{
CGlowSprite *pSprite = &m_Sprites[iSprite];
// Figure out the color and size to draw it.
float flHorzSize, flVertSize;
Vector vColor;
CalcSpriteColorAndSize( flDot, pSprite, &flHorzSize, &flVertSize, &vColor );
// Setup the basis to draw the sprite.
Vector vBasePt, vUp, vRight;
CalcBasis( vToGlow, flHorzSize, flVertSize, vBasePt, vUp, vRight );
// Draw the sprite.
IMaterial *pMaterial = materials->FindMaterial( "sun/overlay", TEXTURE_GROUP_CLIENT_EFFECTS );
IMesh *pMesh = pRenderContext->GetDynamicMesh( false, 0, 0, pMaterial );
CMeshBuilder builder;
builder.Begin( pMesh, MATERIAL_QUADS, 1 );
Vector vPt;
vPt = vBasePt - vRight + vUp;
builder.Position3fv( vPt.Base() );
builder.Color4f( VectorExpand(vColor), 1 );
builder.TexCoord2f( 0, 0, 1 );
builder.AdvanceVertex();
vPt = vBasePt + vRight + vUp;
builder.Position3fv( vPt.Base() );
builder.Color4f( VectorExpand(vColor), 1 );
builder.TexCoord2f( 0, 1, 1 );
builder.AdvanceVertex();
vPt = vBasePt + vRight - vUp;
builder.Position3fv( vPt.Base() );
builder.Color4f( VectorExpand(vColor), 1 );
builder.TexCoord2f( 0, 1, 0 );
builder.AdvanceVertex();
vPt = vBasePt - vRight - vUp;
builder.Position3fv( vPt.Base() );
builder.Color4f( VectorExpand(vColor), 1 );
builder.TexCoord2f( 0, 0, 0 );
builder.AdvanceVertex();
builder.End( false, true );
}
}
