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movieobjects/dmeattachment.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Dme version of a model attachment point
+//
+//=============================================================================
+#include "movieobjects/dmeattachment.h"
+#include "datamodel/dmelementfactoryhelper.h"
+#include "materialsystem/imaterialsystem.h"
+#include "materialsystem/imesh.h"
+#include "tier1/KeyValues.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( DmeAttachment, CDmeAttachment );
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CDmeAttachment::OnConstruction()
+{
+	if ( !g_pMaterialSystem )
+		return;
+
+	m_bIsRigid.Init( this, "isRigid" );
+	m_bIsWorldAligned.Init( this, "isWorldAligned" );
+
+	KeyValues *pVMTKeyValues = new KeyValues( "wireframe" );
+	pVMTKeyValues->SetInt( "$vertexcolor", 1 );
+	pVMTKeyValues->SetInt( "$ignorez", 0 );
+	m_AttachmentMaterial.Init( "__DmeJointMaterial", pVMTKeyValues );
+}
+
+void CDmeAttachment::OnDestruction()
+{
+	if ( !g_pMaterialSystem )
+		return;
+
+	m_AttachmentMaterial.Shutdown();
+}
+
+
+//-----------------------------------------------------------------------------
+// For rendering joints
+//-----------------------------------------------------------------------------
+#define AXIS_SIZE 6.0f
+
+//-----------------------------------------------------------------------------
+// Rendering method for the dag
+//-----------------------------------------------------------------------------
+void CDmeAttachment::Draw( const matrix3x4_t &shapeToWorld, CDmeDrawSettings *pDrawSettings /* = NULL */ )
+{
+	if ( !g_pMaterialSystem )
+		return;
+
+	CMatRenderContextPtr pRenderContext( g_pMaterialSystem );
+	pRenderContext->MatrixMode( MATERIAL_MODEL );
+	pRenderContext->PushMatrix();
+	pRenderContext->LoadMatrix( shapeToWorld );
+
+	pRenderContext->Bind( m_AttachmentMaterial );
+	IMesh *pMesh = pRenderContext->GetDynamicMesh( );
+
+	CMeshBuilder meshBuilder;
+	meshBuilder.Begin( pMesh, MATERIAL_LINES, 3 );
+
+	meshBuilder.Position3f( 0.0f, 0.0f, 0.0f );
+	meshBuilder.Color4ub( 255, 0, 0, 255 );
+	meshBuilder.AdvanceVertex();
+
+	meshBuilder.Position3f( AXIS_SIZE, 0.0f, 0.0f );
+	meshBuilder.Color4ub( 255, 0, 0, 255 );
+	meshBuilder.AdvanceVertex();
+
+	meshBuilder.Position3f( 0.0f, 0.0f, 0.0f );
+	meshBuilder.Color4ub( 0, 255, 0, 255 );
+	meshBuilder.AdvanceVertex();
+
+	meshBuilder.Position3f( 0.0f, AXIS_SIZE, 0.0f );
+	meshBuilder.Color4ub( 0, 255, 0, 255 );
+	meshBuilder.AdvanceVertex();
+
+	meshBuilder.Position3f( 0.0f, 0.0f, 0.0f );
+	meshBuilder.Color4ub( 0, 0, 255, 255 );
+	meshBuilder.AdvanceVertex();
+
+	meshBuilder.Position3f( 0.0f, 0.0f, AXIS_SIZE );
+	meshBuilder.Color4ub( 0, 0, 255, 255 );
+	meshBuilder.AdvanceVertex();
+
+	meshBuilder.End();
+	pMesh->Draw();
+
+	pRenderContext->MatrixMode( MATERIAL_MODEL );
+	pRenderContext->PopMatrix();
+}
+
+