349 lines
12 KiB
C++
349 lines
12 KiB
C++
//====== Copyright © 1996-2004, Valve Corporation, All rights reserved. =======
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//
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// A class representing vertex data
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//
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//=============================================================================
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#ifndef DMEVERTEXDATA_H
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#define DMEVERTEXDATA_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "datamodel/dmelement.h"
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#include "datamodel/dmattribute.h"
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#include "datamodel/dmattributevar.h"
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#include "mathlib/vector.h"
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#include "Color.h"
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//-----------------------------------------------------------------------------
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// Forward declarations
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//-----------------------------------------------------------------------------
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class Vector;
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class Vector4D;
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class Color;
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//-----------------------------------------------------------------------------
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// Used to represent fields
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//-----------------------------------------------------------------------------
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typedef int FieldIndex_t;
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class CDmeVertexDataBase : public CDmElement
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{
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DEFINE_ELEMENT( CDmeVertexDataBase, CDmElement );
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public:
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// NOTE: If you add fields to this, add to g_pStandardFieldNames in dmevertexdata.cpp
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enum StandardFields_t
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{
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FIELD_POSITION,
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FIELD_NORMAL,
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FIELD_TANGENT,
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FIELD_TEXCOORD,
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FIELD_COLOR,
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FIELD_JOINT_WEIGHTS,
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FIELD_JOINT_INDICES,
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FIELD_BALANCE, // Used by left/right delta states
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FIELD_MORPH_SPEED, // Used to author morph speeds
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FIELD_WRINKLE, // Used to author morphed wrinklemaps
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FIELD_WEIGHT, // Weight is just the different between the base position and the delta position
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FIELD_CLOTH_ENABLE,
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STANDARD_FIELD_COUNT,
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};
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// resolve internal data from changed attributes
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virtual void Resolve();
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// Returns the number of joints per vertex
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int JointCount() const;
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// Vertex accessors
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int VertexCount() const;
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const Vector& GetPosition( int nVertexIndex ) const;
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const Vector& GetNormal( int nVertexIndex ) const;
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const Vector2D& GetTexCoord( int nVertexIndex ) const;
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const Vector4D& GetTangent( int nVertexIndex ) const;
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const Color& GetColor( int nVertexIndex ) const;
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const float *GetJointWeights( int nVertexIndex ) const;
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const float *GetJointPositionWeights( int nPositionIndex ) const;
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const int *GetJointIndices( int nVertexIndex ) const;
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const int *GetJointPositionIndices( int nPositionIndex ) const;
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float GetBalance( int nVertexIndex ) const;
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float GetMorphSpeed( int nVertexIndex ) const;
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float GetWrinkle( int nVertexIndex ) const;
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float GetWeight( int nVertexIndex ) const;
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// Returns indices into the various fields
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int GetPositionIndex( int nVertexIndex ) const;
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int GetNormalIndex( int nVertexIndex ) const;
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int GetTangentIndex( int nVertexIndex ) const;
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int GetTexCoordIndex( int nVertexIndex ) const;
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int GetColorIndex( int nVertexIndex ) const;
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int GetBalanceIndex( int nVertexIndex ) const;
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int GetMorphSpeedIndex( int nVertexIndex ) const;
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int GetWrinkleIndex( int nVertexIndex ) const;
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int GetWeightIndex( int nVertexIndex ) const;
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// Creates a new vertex field. NOTE: This cannot be used to create joint weights + indices
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template< class T >
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FieldIndex_t CreateField( const char *pFieldName );
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FieldIndex_t CreateField( const char *pFieldName, DmAttributeType_t type );
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FieldIndex_t CreateField( StandardFields_t fieldId );
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// Use this to create vertex fields for joint weights + indices
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void CreateJointWeightsAndIndices( int nJointCount, FieldIndex_t *pJointWeightsField, FieldIndex_t *pJointIndicesField );
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// Returns the field index of a particular field
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FieldIndex_t FindFieldIndex( const char *pFieldName ) const;
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FieldIndex_t FindFieldIndex( StandardFields_t nFieldIndex ) const;
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// Adds a new vertex, returns the vertex index
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// NOTE: This will also add vertex indices for DmeMeshDeltaData
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int AddVertexData( FieldIndex_t nFieldIndex, int nCount );
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// Sets vertex data
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void SetVertexData( FieldIndex_t nFieldIndex, int nFirstVertex, int nCount, DmAttributeType_t valueType, const void *pData );
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void SetVertexIndices( FieldIndex_t nFieldIndex, int nFirstIndex, int nCount, const int *pIndices );
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// Removes all vertex data associated with a particular field
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void RemoveAllVertexData( FieldIndex_t nFieldIndex );
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// Returns arbitrary vertex + index data
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CDmAttribute* GetVertexData( FieldIndex_t nFieldIndex );
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const CDmAttribute* GetVertexData( FieldIndex_t nFieldIndex ) const;
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CDmAttribute* GetIndexData( FieldIndex_t nFieldIndex );
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const CDmAttribute* GetIndexData( FieldIndex_t nFieldIndex ) const;
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// Returns well-known vertex data
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const CUtlVector<Vector> &GetPositionData( ) const;
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const CUtlVector<Vector> &GetNormalData( ) const;
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const CUtlVector<Vector4D> &GetTangentData( ) const;
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const CUtlVector<Vector2D> &GetTextureCoordData( ) const;
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const CUtlVector<Color> &GetColorData( ) const;
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const float *GetJointWeightData( int nDataIndex ) const;
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const int *GetJointIndexData( int nDataIndex ) const;
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const CUtlVector<float> &GetBalanceData( ) const;
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const CUtlVector<float> &GetMorphSpeedData( ) const;
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const CUtlVector<float> &GetWrinkleData( ) const;
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const CUtlVector<float> &GetWeightData( ) const;
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// Returns well-known index data
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const CUtlVector<int> &GetVertexIndexData( FieldIndex_t nFieldIndex ) const;
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const CUtlVector<int> &GetVertexIndexData( StandardFields_t fieldId ) const;
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// Do we have skinning data?
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bool HasSkinningData() const;
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// Do we have cloth_enable data?
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bool HasClothData();
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// Do we need tangent data? (Utility method for applications to know if they should call ComputeDefaultTangentData)
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bool NeedsTangentData() const;
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// Should we flip the V coordinates?
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bool IsVCoordinateFlipped() const;
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void FlipVCoordinate( bool bFlip );
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// Returns an inverse map from vertex data index to vertex index
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const CUtlVector< int > &FindVertexIndicesFromDataIndex( FieldIndex_t nFieldIndex, int nDataIndex );
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const CUtlVector< int > &FindVertexIndicesFromDataIndex( StandardFields_t nFieldIndex, int nDataIndex );
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int FieldCount() const;
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const char *FieldName( int i ) const;
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void CopyFrom( CDmeVertexDataBase *pSrc );
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void CopyTo( CDmeVertexDataBase *pDst ) const;
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// Reskins the vertex data to new bones
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// The joint index remap maps an initial bone index to a new bone index
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void Reskin( const int *pJointTransformIndexRemap );
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protected:
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struct FieldInfo_t
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{
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CUtlString m_Name;
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CDmAttribute *m_pVertexData;
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CDmAttribute* m_pIndexData;
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CUtlVector< CUtlVector< int > > m_InverseMap;
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bool m_bInverseMapDirty;
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};
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// Derived classes must inherit
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virtual bool IsVertexDeltaData() const { Assert(0); return false; }
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// Computes the vertex count ( min of the index buffers )
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void ComputeFieldInfo();
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// Computes the vertex count ( min of the index buffers )
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void ComputeVertexCount();
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// Updates info for fast lookups for well-known fields
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void UpdateStandardFieldInfo( int nFieldIndex, const char *pFieldName, DmAttributeType_t attrType );
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// Adds a field to the vertex format
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void FindOrAddVertexField( const char *pFieldName );
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// Returns the index of a particular field
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int GetFieldIndex( int nVertexIndex, StandardFields_t nFieldIndex ) const;
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// List of names of attributes containing vertex data
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CDmaStringArray m_VertexFormat;
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CDmaVar< int > m_nJointCount;
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CDmaVar< bool > m_bFlipVCoordinates;
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CUtlVector< FieldInfo_t > m_FieldInfo;
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FieldIndex_t m_pStandardFieldIndex[STANDARD_FIELD_COUNT];
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int m_nVertexCount;
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};
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//-----------------------------------------------------------------------------
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// Creates a particular vertex data field + associated index field
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//-----------------------------------------------------------------------------
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template< class T >
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inline FieldIndex_t CDmeVertexDataBase::CreateField( const char *pFieldName )
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{
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return CreateField( pFieldName, CDmAttributeInfo< CUtlVector<T> >::AttributeType() );
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}
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//-----------------------------------------------------------------------------
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// Returns a standard field index
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//-----------------------------------------------------------------------------
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inline FieldIndex_t CDmeVertexDataBase::FindFieldIndex( StandardFields_t nFieldIndex ) const
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{
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return m_pStandardFieldIndex[ nFieldIndex ];
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}
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//-----------------------------------------------------------------------------
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// Vertex field accessors
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//-----------------------------------------------------------------------------
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inline int CDmeVertexDataBase::VertexCount() const
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{
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return m_nVertexCount;
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}
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//-----------------------------------------------------------------------------
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// Returns the number of joints per vertex
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//-----------------------------------------------------------------------------
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inline int CDmeVertexDataBase::JointCount() const
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{
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return m_nJointCount;
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}
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//-----------------------------------------------------------------------------
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// Should we flip the V coordinates?
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//-----------------------------------------------------------------------------
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inline bool CDmeVertexDataBase::IsVCoordinateFlipped() const
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{
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return m_bFlipVCoordinates;
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}
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inline void CDmeVertexDataBase::FlipVCoordinate( bool bFlip )
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{
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m_bFlipVCoordinates = bFlip;
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}
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//-----------------------------------------------------------------------------
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// Returns arbitrary vertex data
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//-----------------------------------------------------------------------------
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inline CDmAttribute* CDmeVertexDataBase::GetVertexData( FieldIndex_t nFieldIndex )
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{
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return m_FieldInfo[ nFieldIndex ].m_pVertexData;
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}
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inline const CDmAttribute* CDmeVertexDataBase::GetVertexData( FieldIndex_t nFieldIndex ) const
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{
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return m_FieldInfo[ nFieldIndex ].m_pVertexData;
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}
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//-----------------------------------------------------------------------------
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// Returns arbitrary index data
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//-----------------------------------------------------------------------------
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inline CDmAttribute* CDmeVertexDataBase::GetIndexData( FieldIndex_t nFieldIndex )
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{
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return m_FieldInfo[ nFieldIndex ].m_pIndexData;
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}
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inline const CDmAttribute* CDmeVertexDataBase::GetIndexData( FieldIndex_t nFieldIndex ) const
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{
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return m_FieldInfo[ nFieldIndex ].m_pIndexData;
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}
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//-----------------------------------------------------------------------------
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// Utility method for getting at various vertex field indices
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//-----------------------------------------------------------------------------
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inline int CDmeVertexDataBase::GetFieldIndex( int nVertexIndex, StandardFields_t nFieldId ) const
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{
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Assert( nVertexIndex < m_nVertexCount );
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FieldIndex_t nFieldIndex = m_pStandardFieldIndex[nFieldId];
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if ( nFieldIndex < 0 )
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return -1;
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CDmrArrayConst<int> indices( GetIndexData( nFieldIndex ) );
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return indices[ nVertexIndex ];
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}
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//-----------------------------------------------------------------------------
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//
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// Vertex Data for base states
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//
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//-----------------------------------------------------------------------------
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class CDmeVertexData : public CDmeVertexDataBase
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{
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DEFINE_ELEMENT( CDmeVertexData, CDmeVertexDataBase );
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public:
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// Adds a new vertex; creates a new entry in all vertex data fields
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int AddVertexIndices( int nCount );
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private:
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virtual bool IsVertexDeltaData() const { return false; }
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};
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//-----------------------------------------------------------------------------
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//
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// Vertex Data for delta states
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//
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//-----------------------------------------------------------------------------
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class CDmeVertexDeltaData : public CDmeVertexDataBase
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{
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DEFINE_ELEMENT( CDmeVertexDeltaData, CDmeVertexDataBase );
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public:
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// Computes wrinkle data from position deltas
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// NOTE: Pass in negative scales to get 'compression', positive to get 'expansion'
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void GenerateWrinkleDelta( CDmeVertexData *pBindState, float flScale, bool bOverwrite, bool bUseNormalForSign = false );
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// Updates existing data or generates new data
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void UpdateWrinkleDelta( CDmeVertexData *pBindState, float flOldScale, float flNewScale );
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// Computes a float map which is the distance between the base and delta position
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// The maximum distance any vertex is moved is returned
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float GenerateWeightDelta( CDmeVertexData *pBindState );
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CDmaVar< bool > m_bCorrected;
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CDmaVar< bool > m_bRenderVerts;
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private:
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virtual bool IsVertexDeltaData() const { return true; }
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// Computes max positional delta length
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float ComputeMaxDeflection( );
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};
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#endif // DMEVERTEXDATA_H
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