//========= Copyright 1996-2005, Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================//
#ifndef VRAD_DISPCOLL_H
#define VRAD_DISPCOLL_H
#pragma once
#include <assert.h>
#include "DispColl_Common.h"
//=============================================================================
//
// VRAD specific collision
//
#define VRAD_QUAD_SIZE 4
class CVRADDispColl : public CDispCollTree
{
public:
// Creation/Destruction Functions
CVRADDispColl();
~CVRADDispColl();
bool Create( CCoreDispInfo *pDisp );
// Operations Functions
void BaseFacePlaneToDispUV( Vector const &vecPlanePt, Vector2D &dispUV );
void DispUVToSurfPoint( Vector2D const &dispUV, Vector &vecPoint, float flPushEps );
void DispUVToSurfNormal( Vector2D const &dispUV, Vector &vecNormal );
void ClosestBaseFaceData( Vector const &vecWorldPoint, Vector &vecPoint, Vector &vecNormal );
void InitPatch( int iPatch, int iParentPatch, bool bFirst );
bool MakePatch( int iPatch );
// Attrib Functions
inline int GetParentIndex( void ) { return m_iParent; }
inline void GetParentFaceNormal( Vector &vecNormal ) { vecNormal = m_vecStabDir; }
inline int GetPointOffset( void ) { return m_nPointOffset; }
inline int GetParentPointCount( void ) { return VRAD_QUAD_SIZE; }
inline void GetParentPoint( int iPoint, Vector &vecPoint ) { Assert( ( iPoint >= 0 ) && ( iPoint < VRAD_QUAD_SIZE ) ); vecPoint = m_vecSurfPoints[iPoint]; }
inline void GetParentPointNormal( int iPoint, Vector &vecNormal ) { Assert( ( iPoint >= 0 ) && ( iPoint < VRAD_QUAD_SIZE ) ); vecNormal = m_vecSurfPointNormals[iPoint]; }
inline void GetVert( int iVert, Vector &vecVert ) { Assert( ( iVert >= 0 ) && ( iVert < GetSize() ) ); vecVert = m_aVerts[iVert]; }
inline void GetVertNormal( int iVert, Vector &vecNormal ) { Assert( ( iVert >= 0 ) && ( iVert < GetSize() ) ); vecNormal = m_aVertNormals[iVert]; }
inline Vector2D const& GetLuxelCoord( int iLuxel ) { Assert( ( iLuxel >= 0 ) && ( iLuxel < GetSize() ) ); return m_aLuxelCoords[iLuxel]; }
inline float GetSampleRadius2( void ) { return m_flSampleRadius2; }
inline float GetPatchSampleRadius2( void ) { return m_flPatchSampleRadius2; }
inline void GetSampleBBox( Vector &boxMin, Vector &boxMax ) { boxMin = m_vecSampleBBox[0]; boxMax = m_vecSampleBBox[1]; }
public:
static float s_flMinChopLength;
static float s_flMaxChopLength;
Vector m_vecLightmapOrigin; // the lightmap origin in world space (base face relative)
Vector m_vecWorldToLightmapSpace[2]; // u = ( world - lightorigin ) dot worldToLightmap[0]
Vector m_vecLightmapToWorldSpace[2]; // world = lightorigin + u * lightmapToWorld[0]
protected:
void CalcSampleRadius2AndBox( dface_t *pFace );
void CalcPatchSampleRadius2( void );
void BuildVNodes( void );
void DispUVToSurf_TriTLToBR( Vector &vecPoint, float flPushEps, float flU, float flV, int nSnapU, int nSnapV, int nWidth, int nHeight );
void DispUVToSurf_TriBLToTR( Vector &vecPoint, float flPushEps, float flU, float flV, int nSnapU, int nSnapV, int nWidth, int nHeight );
bool MakeParentPatch( int iPatch );
bool MakeChildPatch( int iPatch );
void GetNodesInPatch( int iPatch, int *pVNodes, int &vNodeCount );
// Utility.
void GetSurfaceMinMax( Vector &boxMin, Vector &boxMax );
void GetMinorAxes( Vector const &vecNormal, int &nAxis0, int &nAxis1 );
protected:
struct VNode_t
{
Vector patchOrigin;
Vector2D patchOriginUV;
Vector patchNormal;
float patchArea;
Vector patchBounds[2];
};
int m_iParent; // Parent index
int m_nPointOffset;
float m_flSampleRadius2; // Sampling radius
float m_flPatchSampleRadius2; // Patch sampling radius (max bound)
Vector m_vecSampleBBox[2]; // Sampling bounding box size
Vector m_vecSurfPointNormals[VRAD_QUAD_SIZE]; // Face point normals.
CUtlVector<VNode_t> m_aVNodes; // Make an array parallel to the nodes array in the base class
// and store vrad specific node data
CUtlVector<Vector2D> m_aLuxelCoords; // Lightmap coordinates.
CUtlVector<Vector> m_aVertNormals; // Displacement vertex normals
};
#endif // VRAD_DISPCOLL_H
# |
Change |
User |
Description |
Committed |
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#1
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5817 |
Knut Wikstrom |
Added base Valve SDK code to start modding. |
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