source-engine/movieobjects/dmejoint.cpp
FluorescentCIAAfricanAmerican 3bf9df6b27 1
2020-04-22 12:56:21 -04:00

152 lines
4.2 KiB
C++

//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Dme version of a joint of a skeletal model (gets compiled into a MDL)
//
//=============================================================================
#include "movieobjects/dmejoint.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( DmeJoint, CDmeJoint );
//-----------------------------------------------------------------------------
// Should I draw joints?
//-----------------------------------------------------------------------------
bool CDmeJoint::s_bDrawJoints = false;
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CDmeJoint::OnConstruction()
{
if ( !g_pMaterialSystem )
return;
KeyValues *pVMTKeyValues = new KeyValues( "wireframe" );
pVMTKeyValues->SetInt( "$vertexcolor", 1 );
pVMTKeyValues->SetInt( "$ignorez", 1 );
m_JointMaterial.Init( "__DmeJointMaterial", pVMTKeyValues );
}
void CDmeJoint::OnDestruction()
{
if ( !g_pMaterialSystem )
return;
m_JointMaterial.Shutdown();
}
//-----------------------------------------------------------------------------
// Activate, deactivate joint drawing
//-----------------------------------------------------------------------------
void CDmeJoint::DrawJointHierarchy( bool bDrawJoints )
{
s_bDrawJoints = bDrawJoints;
}
//-----------------------------------------------------------------------------
// For rendering joints
//-----------------------------------------------------------------------------
#define AXIS_SIZE 3.0f
void CDmeJoint::DrawJoints( )
{
if ( !g_pMaterialSystem )
return;
int cn = GetChildCount();
// Draw the joint hierarchy
PushDagTransform();
matrix3x4_t shapeToWorld;
GetShapeToWorldTransform( shapeToWorld );
CMatRenderContextPtr pRenderContext( g_pMaterialSystem );
pRenderContext->MatrixMode( MATERIAL_MODEL );
pRenderContext->LoadMatrix( shapeToWorld );
pRenderContext->Bind( m_JointMaterial );
IMesh *pMesh = pRenderContext->GetDynamicMesh( );
CMeshBuilder meshBuilder;
meshBuilder.Begin( pMesh, MATERIAL_LINES, 3 + cn );
for ( int ci = 0; ci < cn; ++ci )
{
CDmeJoint *pJoint = CastElement<CDmeJoint>( GetChild( ci ) );
if ( !pJoint )
continue;
Vector vecChildPosition = pJoint->GetTransform()->GetPosition();
meshBuilder.Position3f( 0.0f, 0.0f, 0.0f );
meshBuilder.Color4ub( 128, 128, 128, 255 );
meshBuilder.AdvanceVertex();
meshBuilder.Position3fv( vecChildPosition.Base() );
meshBuilder.Color4ub( 128, 128, 128, 255 );
meshBuilder.AdvanceVertex();
}
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->LoadIdentity();
PopDagTransform();
}
//-----------------------------------------------------------------------------
// Rendering method for the dag
//-----------------------------------------------------------------------------
void CDmeJoint::Draw( CDmeDrawSettings *pDrawSettings /* = NULL */ )
{
if ( s_bDrawJoints && IsVisible() )
{
DrawJoints();
}
BaseClass::Draw( pDrawSettings );
}