Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//=============================================================================
#include "datamodel/dmelementfactoryhelper.h"
#include "tier1/KeyValues.h"
#include "tier1/utlrbtree.h"
#include "movieobjects/dmedag.h"
#include "movieobjects/dmedrawsettings.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
//-----------------------------------------------------------------------------
// Expose this class to the scene database
//-----------------------------------------------------------------------------
IMPLEMENT_ELEMENT_FACTORY( DmeDrawSettings, CDmeDrawSettings );
//-----------------------------------------------------------------------------
// Statics
//-----------------------------------------------------------------------------
bool CDmeDrawSettings::s_bWireframeMaterialInitialized( false );
CMaterialReference CDmeDrawSettings::s_WireframeMaterial;
bool CDmeDrawSettings::s_bWireframeOnShadedMaterialInitialized( false );
CMaterialReference CDmeDrawSettings::s_WireframeOnShadedMaterial;
bool CDmeDrawSettings::s_bFlatGrayMaterial( false );
CMaterialReference CDmeDrawSettings::s_FlatGrayMaterial;
bool CDmeDrawSettings::s_bUnlitGrayMaterial( false );
CMaterialReference CDmeDrawSettings::s_UnlitGrayMaterial;
CUtlRBTree< CUtlSymbol > CDmeDrawSettings::s_KnownDrawableTypes;
//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
void CDmeDrawSettings::OnConstruction()
{
if ( s_KnownDrawableTypes.Count() == 0 )
{
BuildKnownDrawableTypes();
}
SetDefLessFunc< CUtlRBTree< CUtlSymbol > >( m_NotDrawable );
m_NotDrawable.RemoveAll();
m_DrawType.InitAndSet( this, "drawType", static_cast< int >( DRAW_SMOOTH ) );
m_bBackfaceCulling.InitAndSet( this, "backfaceCulling", true );
m_bWireframeOnShaded.InitAndSet( this, "wireframeOnShaded", false );
m_bXRay.InitAndSet( this, "xray", false );
m_bGrayShade.InitAndSet( this, "grayShade", false );
m_bNormals.InitAndSet( this, "normals", false );
m_NormalLength.InitAndSet( this, "normalLength", 1.0 );
m_Color.InitAndSet( this, "color", Color( 0, 0, 0, 1 ) );
m_bDeltaHighlight.InitAndSet( this, "highlightDeltas", false );
m_flHighlightSize.InitAndSet( this, "highlightSize", 1.5f );
m_cHighlightColor.InitAndSet( this, "highlightColor", Color( 0xff, 0x14, 0x93, 0xff ) ); // Deep Pink
m_IsAMaterialBound = false;
}
//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
void CDmeDrawSettings::OnDestruction()
{
}
//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
void CDmeDrawSettings::Resolve()
{
}
//-----------------------------------------------------------------------------
// Wireframe
//-----------------------------------------------------------------------------
void CDmeDrawSettings::BindWireframe()
{
if ( !s_bWireframeMaterialInitialized )
{
s_bWireframeMaterialInitialized = true;
KeyValues *pKeyValues = new KeyValues( "wireframe" );
pKeyValues->SetInt( "$decal", 0 );
pKeyValues->SetInt( "$vertexcolor", 1 );
pKeyValues->SetInt( "$ignorez", 1 );
s_WireframeMaterial.Init( "__DmeWireframe", pKeyValues );
}
CMatRenderContextPtr pRenderContext( g_pMaterialSystem );
pRenderContext->Bind( s_WireframeMaterial );
m_IsAMaterialBound = true;
}
//-----------------------------------------------------------------------------
// Wireframe as a decal
//-----------------------------------------------------------------------------
void CDmeDrawSettings::BindWireframeOnShaded()
{
if ( !s_bWireframeOnShadedMaterialInitialized )
{
s_bWireframeOnShadedMaterialInitialized = true;
KeyValues *pKeyValues = new KeyValues( "wireframe" );
pKeyValues->SetInt( "$decal", 0 );
pKeyValues->SetInt( "$vertexcolor", 1 );
pKeyValues->SetInt( "$ignorez", 0 );
s_WireframeOnShadedMaterial.Init( "__DmeWireframeOnShaded", pKeyValues );
}
CMatRenderContextPtr pRenderContext( g_pMaterialSystem );
pRenderContext->Bind( s_WireframeOnShadedMaterial );
m_IsAMaterialBound = true;
}
//-----------------------------------------------------------------------------
// Flat Gray Shaded
//-----------------------------------------------------------------------------
void CDmeDrawSettings::BindGray()
{
if ( !s_bFlatGrayMaterial )
{
s_bFlatGrayMaterial = true;
KeyValues *pKeyValues = new KeyValues( "VertexLitGeneric" );
pKeyValues->SetInt( "$model", 1 );
s_FlatGrayMaterial.Init( "__DmeFlatGray", pKeyValues );
}
CMatRenderContextPtr pRenderContext( g_pMaterialSystem );
pRenderContext->Bind( s_FlatGrayMaterial );
m_IsAMaterialBound = true;
}
//-----------------------------------------------------------------------------
// Flat Gray Shaded
//-----------------------------------------------------------------------------
void CDmeDrawSettings::BindUnlitGray()
{
if ( !s_bUnlitGrayMaterial )
{
s_bUnlitGrayMaterial = true;
KeyValues *pKeyValues = new KeyValues( "UnlitGeneric" );
pKeyValues->SetInt( "$model", 1 );
pKeyValues->SetInt( "$vertexcolor", 1 );
s_UnlitGrayMaterial.Init( "__DmeUnlitGray", pKeyValues );
}
CMatRenderContextPtr pRenderContext( g_pMaterialSystem );
pRenderContext->Bind( s_UnlitGrayMaterial );
m_IsAMaterialBound = true;
}
//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
bool CDmeDrawSettings::Drawable( CDmElement *pElement )
{
if ( m_NotDrawable.IsValidIndex( m_NotDrawable.Find( pElement->GetType() ) ) )
return false;
return true;
}
//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
void CDmeDrawSettings::BuildKnownDrawableTypes()
{
SetDefLessFunc< CUtlRBTree< CUtlSymbol > >( s_KnownDrawableTypes );
s_KnownDrawableTypes.RemoveAll();
s_KnownDrawableTypes.InsertIfNotFound( g_pDataModel->GetSymbol( "DmeMesh" ) );
s_KnownDrawableTypes.InsertIfNotFound( g_pDataModel->GetSymbol( "DmeJoint" ) );
s_KnownDrawableTypes.InsertIfNotFound( g_pDataModel->GetSymbol( "DmeModel" ) );
s_KnownDrawableTypes.InsertIfNotFound( g_pDataModel->GetSymbol( "DmeAttachment" ) );
m_NotDrawable.RemoveAll();
}
//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
void CDmeDrawSettings::DrawDag( CDmeDag *pDag )
{
if ( !pDag )
return;
m_vHighlightPoints.RemoveAll();
CMatRenderContextPtr pRenderContext( g_pMaterialSystem );
m_IsAMaterialBound = false;
if ( GetDeltaHighlight() )
{
BindUnlitGray();
}
else
{
if ( !Shaded() )
{
BindWireframe();
}
else if ( GetGrayShade() )
{
BindGray();
}
}
pDag->Draw( this );
m_IsAMaterialBound = false;
if ( GetDeltaHighlight() || ( GetWireframeOnShaded() && Shaded() ) )
{
VMatrix m;
pRenderContext->GetMatrix( MATERIAL_PROJECTION, &m );
/* Extract the near and far clipping plane values from projection matrix
float c = m[ 2 ][ 2 ];
float d = m[ 2 ][ 3 ];
const float near = d / ( c - 1.0f );
const float far = d / ( c + 1.0f );
*/
const float zBias = 0.00025;
m[ 2 ][ 2 ] += zBias;
m[ 2 ][ 3 ] += zBias;
pRenderContext->MatrixMode( MATERIAL_PROJECTION );
pRenderContext->PushMatrix();
pRenderContext->LoadMatrix( m );
BindWireframeOnShaded();
PushDrawType();
SetDrawType( CDmeDrawSettings::DRAW_WIREFRAME );
pDag->Draw( this );
PopDrawType();
pRenderContext->MatrixMode( MATERIAL_PROJECTION );
pRenderContext->PopMatrix();
}
}