80 lines
2.9 KiB
C++
80 lines
2.9 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================//
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#ifndef VRAD_DISPCOLL_H
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#define VRAD_DISPCOLL_H
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#pragma once
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#include <assert.h>
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#include "DispColl_Common.h"
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//=============================================================================
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//
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// VRAD specific collision
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//
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#define VRAD_QUAD_SIZE 4
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struct CPatch;
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class CVRADDispColl : public CDispCollTree
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{
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public:
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// Creation/Destruction Functions
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CVRADDispColl();
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~CVRADDispColl();
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bool Create( CCoreDispInfo *pDisp );
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// Patches.
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bool InitPatch( int iPatch, int iParentPatch, int iChild, Vector *pPoints, int *pIndices, float &flArea );
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bool InitParentPatch( int iPatch, Vector *pPoints, float &flArea );
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float CreateParentPatches( void );
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void CreateChildPatches( int iParentPatch, int nLevel );
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void CreateChildPatchesFromRoot( int iParentPatch, int *pChildPatch );
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void CreateChildPatchesSub( int iParentPatch );
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// Operations Functions
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void BaseFacePlaneToDispUV( Vector const &vecPlanePt, Vector2D &dispUV );
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void DispUVToSurfPoint( Vector2D const &dispUV, Vector &vecPoint, float flPushEps );
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void DispUVToSurfNormal( Vector2D const &dispUV, Vector &vecNormal );
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// Data.
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inline float GetSampleRadius2( void ) { return m_flSampleRadius2; }
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inline float GetPatchSampleRadius2( void ) { return m_flPatchSampleRadius2; }
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inline int GetParentIndex( void ) { return m_iParent; }
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inline void GetParentFaceNormal( Vector &vecNormal ) { vecNormal = m_vecStabDir; }
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inline void GetVert( int iVert, Vector &vecVert ) { Assert( ( iVert >= 0 ) && ( iVert < GetSize() ) ); vecVert = m_aVerts[iVert]; }
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inline void GetVertNormal( int iVert, Vector &vecNormal ) { Assert( ( iVert >= 0 ) && ( iVert < GetSize() ) ); vecNormal = m_aVertNormals[iVert]; }
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inline Vector2D const& GetLuxelCoord( int iLuxel ) { Assert( ( iLuxel >= 0 ) && ( iLuxel < GetSize() ) ); return m_aLuxelCoords[iLuxel]; }
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// Raytracing
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void AddPolysForRayTrace( void );
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protected:
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void CalcSampleRadius2AndBox( dface_t *pFace );
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// Utility.
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void DispUVToSurf_TriTLToBR( Vector &vecPoint, float flPushEps, float flU, float flV, int nSnapU, int nSnapV, int nWidth, int nHeight );
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void DispUVToSurf_TriBLToTR( Vector &vecPoint, float flPushEps, float flU, float flV, int nSnapU, int nSnapV, int nWidth, int nHeight );
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void GetSurfaceMinMax( Vector &boxMin, Vector &boxMax );
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void GetMinorAxes( Vector const &vecNormal, int &nAxis0, int &nAxis1 );
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protected:
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int m_iParent; // Parent index
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float m_flSampleRadius2; // Sampling radius
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float m_flPatchSampleRadius2; // Patch sampling radius (max bound)
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float m_flSampleWidth;
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float m_flSampleHeight;
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CUtlVector<Vector2D> m_aLuxelCoords; // Lightmap coordinates.
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CUtlVector<Vector> m_aVertNormals; // Displacement vertex normals
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};
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#endif // VRAD_DISPCOLL_H
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