//========= Copyright 1996-2005, Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//=====================================================================================//
#ifndef IMESH_H
#define IMESH_H
#ifdef _WIN32
#pragma once
#endif
#include "interface.h"
#include "imaterialsystem.h"
#include <float.h>
#include <string.h>
#include "tier0/dbg.h"
//-----------------------------------------------------------------------------
// forward declarations
//-----------------------------------------------------------------------------
class IMaterial;
class CMeshBuilder;
class IMaterialVar;
//-----------------------------------------------------------------------------
// The Vertex Buffer interface
//-----------------------------------------------------------------------------
enum
{
VERTEX_MAX_TEXTURE_COORDINATES = 4,
BONE_MATRIX_INDEX_INVALID = 255
};
//-----------------------------------------------------------------------------
// The Mesh memory descriptor
//-----------------------------------------------------------------------------
struct MeshDescV1_t
{
// These can be set to zero if there are pointers to dummy buffers, when the
// actual buffer format doesn't contain the data but it needs to be safe to
// use all the CMeshBuilder functions.
int m_VertexSize_Position;
int m_VertexSize_BoneWeight;
int m_VertexSize_BoneMatrixIndex;
int m_VertexSize_Normal;
int m_VertexSize_Color;
int m_VertexSize_Specular;
int m_VertexSize_TexCoord[VERTEX_MAX_TEXTURE_COORDINATES];
int m_VertexSize_TangentS;
int m_VertexSize_TangentT;
#ifndef _XBOX
int m_VertexSize_TangentSxT;
#endif
int m_VertexSize_UserData;
int m_ActualVertexSize; // Size of the vertices.. Some of the m_VertexSize_ elements above
// are set to this value and some are set to zero depending on which
// fields exist in a buffer's vertex format.
// The first vertex index
int m_FirstVertex;
// Number of bone weights per vertex...
int m_NumBoneWeights;
// Pointers to our current vertex data
float *m_pPosition;
#ifndef _XBOX
float *m_pBoneWeight;
#else
// compressed vertex
unsigned char *m_pBoneWeight;
#endif
#ifndef NEW_SKINNING
unsigned char *m_pBoneMatrixIndex;
#else
float *m_pBoneMatrixIndex;
#endif
#ifndef _XBOX
float *m_pNormal;
#else
// compressed vertex
unsigned char *m_pNormal;
#endif
unsigned char *m_pColor;
unsigned char *m_pSpecular;
float *m_pTexCoord[VERTEX_MAX_TEXTURE_COORDINATES];
// Tangent space *associated with one particular set of texcoords*
#ifndef _XBOX
float *m_pTangentS;
float *m_pTangentT;
float *m_pTangentSxT;
#else
// compressed vertex
unsigned char *m_pTangentS;
unsigned char *m_pTangentT;
#endif
// user data
#ifndef _XBOX
float *m_pUserData;
#else
// compressed vertex
unsigned char *m_pUserData;
#endif
// Pointers to the index data
unsigned short *m_pIndices;
};
#ifndef _XBOX
struct MeshDesc_t : public MeshDescV1_t
{
// For b/w compatibility.
void GetMeshDescV1( MeshDescV1_t &out ) const;
// NEW SHIT AT THE END
// Size of the index data measured in unsigned shorts.
// 1 if the device is active, 0 if the device isn't active.
// Faster than doing if checks for null m_pIndices if someone is
// trying to write the m_pIndices while the device is inactive.
unsigned char m_IndexSize;
};
#else
struct MeshDesc_t
{
// For b/w compatibility.
void GetMeshDescV1( MeshDescV1_t &out ) const;
// These can be set to zero if there are pointers to dummy buffers, when the
// actual buffer format doesn't contain the data but it needs to be safe to
// use all the CMeshBuilder functions.
unsigned char m_VertexSize_Position;
unsigned char m_VertexSize_BoneWeight;
unsigned char m_VertexSize_BoneMatrixIndex;
unsigned char m_VertexSize_Normal;
unsigned char m_VertexSize_Color;
unsigned char m_VertexSize_Specular;
unsigned char m_VertexSize_TexCoord[VERTEX_MAX_TEXTURE_COORDINATES];
unsigned char m_VertexSize_TangentS;
unsigned char m_VertexSize_TangentT;
unsigned char m_VertexSize_UserData;
unsigned char m_ActualVertexSize; // Size of the vertices.. Some of the m_VertexSize_ elements above
// are set to this value and some are set to zero depending on which
// fields exist in a buffer's vertex format.
// Number of bone weights per vertex...
unsigned char m_NumBoneWeights;
// Size of the index data measured in unsigned shorts.
// 1 if the device is active, 0 if the device isn't active.
// Faster than doing if checks for null m_pIndices if someone is
// trying to write the m_pIndices while the device is inactive.
unsigned char m_IndexSize;
// The first vertex index
int m_FirstVertex;
// Pointers to our current vertex data
float *m_pPosition;
// compressed vertex
unsigned char *m_pBoneWeight;
// compressed vertex
unsigned char *m_pUserData;
// compressed vertex
unsigned char *m_pNormal;
// compressed vertex
unsigned char *m_pTangentS;
unsigned char *m_pTangentT;
# ifndef NEW_SKINNING
unsigned char *m_pBoneMatrixIndex;
# else
float *m_pBoneMatrixIndex;
# endif
unsigned char *m_pColor;
unsigned char *m_pSpecular;
float *m_pTexCoord[VERTEX_MAX_TEXTURE_COORDINATES];
// Pointers to the index data
unsigned short *m_pIndices;
};
#endif
inline void MeshDesc_t::GetMeshDescV1( MeshDescV1_t &out ) const
{
out.m_VertexSize_Position = out.m_VertexSize_Position;
out.m_VertexSize_BoneWeight = out.m_VertexSize_BoneWeight;
out.m_VertexSize_BoneMatrixIndex = out.m_VertexSize_BoneMatrixIndex;
out.m_VertexSize_Normal = out.m_VertexSize_Normal;
out.m_VertexSize_Color = out.m_VertexSize_Color;
out.m_VertexSize_Specular = out.m_VertexSize_Specular;
for ( int i=0; i < VERTEX_MAX_TEXTURE_COORDINATES; i++ )
{
out.m_VertexSize_TexCoord[i] = out.m_VertexSize_TexCoord[i];
out.m_pTexCoord[i] = out.m_pTexCoord[i];
}
out.m_VertexSize_TangentS = out.m_VertexSize_TangentS;
out.m_VertexSize_TangentT = out.m_VertexSize_TangentT;
#ifndef _XBOX
out.m_VertexSize_TangentSxT = out.m_VertexSize_TangentSxT;
out.m_pTangentSxT = out.m_pTangentSxT;
#endif
out.m_VertexSize_UserData = out.m_VertexSize_UserData;
out.m_ActualVertexSize = out.m_ActualVertexSize;
out.m_NumBoneWeights = out.m_NumBoneWeights;
out.m_FirstVertex = out.m_FirstVertex;
out.m_pPosition = out.m_pPosition;
out.m_pBoneWeight = out.m_pBoneWeight;
out.m_pBoneMatrixIndex = out.m_pBoneMatrixIndex;
out.m_pNormal = out.m_pNormal;
out.m_pColor = out.m_pColor;
out.m_pSpecular = out.m_pSpecular;
out.m_pTangentS = out.m_pTangentS;
out.m_pTangentT = out.m_pTangentT;
out.m_pUserData = out.m_pUserData;
out.m_pIndices = out.m_pIndices;
}
//-----------------------------------------------------------------------------
// Used in lists of indexed primitives.
//-----------------------------------------------------------------------------
class CPrimList
{
public:
CPrimList();
CPrimList( int firstIndex, int numIndices );
public:
int m_FirstIndex;
int m_NumIndices;
};
inline CPrimList::CPrimList()
{
}
inline CPrimList::CPrimList( int firstIndex, int numIndices )
{
m_FirstIndex = firstIndex;
m_NumIndices = numIndices;
}
//-----------------------------------------------------------------------------
// Standard vertex formats for models
//-----------------------------------------------------------------------------
struct ModelVertexDX7_t
{
Vector m_vecPosition;
Vector2D m_flBoneWeights;
unsigned int m_nBoneIndices;
Vector m_vecNormal;
unsigned int m_nColor; // ARGB
Vector2D m_vecTexCoord;
};
struct ModelVertexDX8_t : public ModelVertexDX7_t
{
Vector4D m_vecUserData;
};
//-----------------------------------------------------------------------------
// Interface to the mesh
//-----------------------------------------------------------------------------
abstract_class IMesh
{
public:
// Old version, for backward compat
// Locks/ unlocks the mesh, providing space for numVerts and numIndices.
// numIndices of -1 means don't lock the index buffer...
virtual void LockMeshOld( int numVerts, int numIndices, MeshDescV1_t& desc ) = 0;
// Unlocks the mesh, indicating how many verts and indices we actually used
virtual void UnlockMeshOld( int numVerts, int numIndices, MeshDescV1_t& desc ) = 0;
// Locks mesh for modifying
virtual void ModifyBeginOld( int firstVertex, int numVerts, int firstIndex, int numIndices, MeshDescV1_t& desc ) = 0;
virtual void ModifyEnd() = 0;
// Helper methods to create various standard index buffer types
virtual void GenerateSequentialIndexBuffer( unsigned short* pIndexMemory,
int numIndices, int firstVertex ) = 0;
virtual void GenerateQuadIndexBuffer( unsigned short* pIndexMemory,
int numIndices, int firstVertex ) = 0;
virtual void GeneratePolygonIndexBuffer( unsigned short* pIndexMemory,
int numIndices, int firstVertex ) = 0;
virtual void GenerateLineStripIndexBuffer( unsigned short* pIndexMemory,
int numIndices, int firstVertex ) = 0;
virtual void GenerateLineLoopIndexBuffer( unsigned short* pIndexMemory,
int numIndices, int firstVertex ) = 0;
// returns the # of vertices (static meshes only)
virtual int NumVertices() const = 0;
// Sets/gets the primitive type
virtual void SetPrimitiveType( MaterialPrimitiveType_t type ) = 0;
// Draws the mesh
virtual void Draw( int firstIndex = -1, int numIndices = 0 ) = 0;
virtual void SetColorMesh( IMesh *pColorMesh ) = 0;
// Draw a list of (lists of) primitives. Batching your lists together that use
// the same lightmap, material, vertex and index buffers with multipass shaders
// can drastically reduce state-switching overhead.
// NOTE: this only works with STATIC meshes.
virtual void Draw( CPrimList *pLists, int nLists ) = 0;
// Copy verts and/or indices to a mesh builder. This only works for temp meshes!
virtual void CopyToMeshBuilder(
int iStartVert, // Which vertices to copy.
int nVerts,
int iStartIndex, // Which indices to copy.
int nIndices,
int indexOffset, // This is added to each index.
CMeshBuilder &builder ) = 0;
// Spews the mesh data
virtual void Spew( int numVerts, int numIndices, const MeshDescV1_t & desc ) = 0;
// Call this in debug mode to make sure our data is good.
virtual void ValidateData( int numVerts, int numIndices, const MeshDescV1_t & desc ) = 0;
#ifndef _XBOX
// Causes the software vertex shader to be applied to the mesh
virtual void CallSoftwareVertexShader( CMeshBuilder *pMeshBuilder ) = 0;
#endif
// New version
// Locks/unlocks the mesh, providing space for numVerts and numIndices.
// numIndices of -1 means don't lock the index buffer...
virtual void LockMesh( int numVerts, int numIndices, MeshDesc_t& desc ) = 0;
virtual void ModifyBegin( int firstVertex, int numVerts, int firstIndex, int numIndices, MeshDesc_t& desc ) = 0;
virtual void UnlockMesh( int numVerts, int numIndices, MeshDesc_t& desc ) = 0;
#ifdef _XBOX
virtual unsigned ComputeMemoryUsed() = 0;
#endif
virtual int NumIndices() const = 0;
virtual void ModifyBeginEx( bool bReadOnly, int firstVertex, int numVerts, int firstIndex, int numIndices, MeshDesc_t& desc ) = 0;
#ifndef _XBOX
virtual void SetFlexMesh( IMesh *pMesh, int nVertexOffset ) = 0;
#else
virtual void SetFlexMesh( IMesh *pMesh, float *pFlexVerts ) = 0;
#endif
virtual void DisableFlexMesh() = 0;
virtual void MarkAsDrawn() = 0;
};
#include "meshreader.h"
//-----------------------------------------------------------------------------
// Helper class used to define meshes
//-----------------------------------------------------------------------------
class CMeshBuilder : private MeshDesc_t
{
public:
CMeshBuilder();
// Locks the vertex buffer
// (*cannot* use the Index() call below)
void Begin( IMesh* pMesh, MaterialPrimitiveType_t type, int numPrimitives );
// Locks the vertex buffer, can specify arbitrary index lists
// (must use the Index() call below)
void Begin( IMesh* pMesh, MaterialPrimitiveType_t type, int numVertices, int numIndices, int *nFirstVertex );
void Begin( IMesh* pMesh, MaterialPrimitiveType_t type, int numVertices, int numIndices );
// Use this when you're done writing
// Set bDraw to true to call m_pMesh->Draw automatically.
void End( bool spewData = false, bool bDraw = false );
// Locks the vertex buffer to modify existing data
// Passing numVertices == -1 says to lock all the vertices for modification.
// Pass 0 for numIndices to not lock the index buffer.
void BeginModify( IMesh* pMesh, int firstVertex = 0, int numVertices = -1, int firstIndex = 0, int numIndices = 0 );
void EndModify( bool spewData = false );
// A helper method since this seems to be done a whole bunch.
void DrawQuad( IMesh* pMesh, float const* v1, float const* v2,
float const* v3, float const* v4, unsigned char const* pColor, bool wireframe = false );
// returns the number of indices and vertices
int NumVertices() const;
int NumIndices() const;
// Resets the mesh builder so it points to the start of everything again
void Reset();
// Returns the size of the vertex
int VertexSize() { return m_ActualVertexSize; }
// Returns the base vertex memory pointer
void* BaseVertexData();
// Selects the nth Vertex and Index
void SelectVertex( int idx );
void SelectIndex( int idx );
// Given an index, point to the associated vertex
void SelectVertexFromIndex( int idx );
// Advances the current vertex and index by one
void AdvanceVertex();
void AdvanceVertices( int nVerts );
void AdvanceIndex();
void AdvanceIndices( int nIndices );
int GetCurrentVertex();
int GetCurrentIndex();
// Data retrieval...
float const* Position() const;
#ifndef _XBOX
float const* Normal() const;
#else
unsigned char const *PackedNormal() const;
#endif
unsigned int Color() const;
unsigned char *SpecularPtr() const;
float const* TexCoord( int stage ) const;
#ifndef _XBOX
float const* TangentS() const;
float const* TangentT() const;
float const* TangentSxT() const;
#else
unsigned char const *PackedTangentS() const;
unsigned char const *PackedTangentT() const;
#endif
#ifndef _XBOX
float const* BoneWeight() const;
#else
unsigned char const *PackedBoneWeight() const;
#endif
int NumBoneWeights() const;
#ifndef NEW_SKINNING
unsigned char* BoneMatrix() const;
#else
float* BoneMatrix() const;
#endif
unsigned short const* Index( ) const;
// position setting
void Position3f( float x, float y, float z );
void Position3fv( float const *v );
// normal setting
void Normal3f( float nx, float ny, float nz );
void Normal3fv( float const *n );
void NormalDelta3fv( float const *n );
void NormalDelta3f( float nx, float ny, float nz );
// color setting
void Color3f( float r, float g, float b );
void Color3fv( float const *rgb );
void Color4f( float r, float g, float b, float a );
void Color4fv( float const *rgba );
// Faster versions of color
void Color3ub( unsigned char r, unsigned char g, unsigned char b );
void Color3ubv( unsigned char const* rgb );
void Color4ub( unsigned char r, unsigned char g, unsigned char b, unsigned char a );
void Color4ubv( unsigned char const* rgba );
// specular color setting
void Specular3f( float r, float g, float b );
void Specular3fv( const float *rgb );
void Specular4f( float r, float g, float b, float a );
void Specular4fv( const float *rgba );
// Faster version of specular
void Specular3ub( unsigned char r, unsigned char g, unsigned char b );
void Specular3ubv( unsigned char const *c );
void Specular4ub( unsigned char r, unsigned char g, unsigned char b, unsigned char a );
void Specular4ubv( unsigned char const *c );
// texture coordinate setting
void TexCoord1f( int stage, float s );
void TexCoord2f( int stage, float s, float t );
void TexCoord2fv( int stage, float const *st );
void TexCoord3f( int stage, float s, float t, float u );
void TexCoord3fv( int stage, float const *stu );
void TexCoordSubRect2f( int stage, float s, float t, float offsetS, float offsetT, float scaleS, float scaleT );
void TexCoordSubRect2fv( int stage, const float *st, const float *offset, const float *scale );
// tangent space
void TangentS3f( float sx, float sy, float sz );
void TangentS3fv( float const* s );
void TangentT3f( float tx, float ty, float tz );
void TangentT3fv( float const* t );
#ifndef _XBOX
void TangentSxT3f( float sxtx, float sxty, float sxtz );
void TangentSxT3fv( float const* sxt );
#endif
// bone weights
void BoneWeight( int idx, float weight );
// bone matrix index
void BoneMatrix( int idx, int matrixIndex );
// Generic per-vertex data
void UserData( float const* pData );
// Used to define the indices (only used if you aren't using primitives)
void Index( unsigned short index );
// Fast Index! No need to call advance index, and no random access allowed
void FastIndex( unsigned short index );
// Fast Vertex! No need to call advance vertex, and no random access allowed.
// WARNING - these are low level functions that are intended only for use
// in the software vertex skinner.
#ifndef _XBOX
void FastVertex( const ModelVertexDX7_t &vertex );
void FastVertexSSE( const ModelVertexDX7_t &vertex );
// store 4 dx7 vertices fast. for special sse dx7 pipeline
void Fast4VerticesSSE(
ModelVertexDX7_t const *vtx_a,
ModelVertexDX7_t const *vtx_b,
ModelVertexDX7_t const *vtx_c,
ModelVertexDX7_t const *vtx_d);
void FastVertex( const ModelVertexDX8_t &vertex );
void FastVertexSSE( const ModelVertexDX8_t &vertex );
#else
void VertexDX8ToXBox( const ModelVertexDX8_t &vertex );
#endif
// Add number of verts and current vert since FastVertexxx routines do not update.
void FastAdvanceNVertices(int n);
private:
// Computes number of verts and indices
void ComputeNumVertsAndIndices( MaterialPrimitiveType_t type,
int numPrimitives );
int IndicesFromVertices( MaterialPrimitiveType_t type, int numVerts );
// Internal helper methods
float const* OffsetFloatPointer( float const* pBufferPointer, int numVerts, int vertexSize ) const;
float* OffsetFloatPointer( float* pBufferPointer, int numVerts, int vertexSize );
void IncrementFloatPointer( float* &pBufferPointer, int vertexSize );
// The mesh we're modifying
IMesh* m_pMesh;
// Used to make sure Begin/End calls and BeginModify/EndModify calls match.
bool m_bModify;
// Max number of indices and vertices
int m_MaxVertices;
int m_MaxIndices;
// Number of indices and vertices
int m_NumVertices;
int m_NumIndices;
// The current vertex and index
mutable int m_CurrentVertex;
mutable int m_CurrentIndex;
// Generate indices?
MaterialPrimitiveType_t m_Type;
bool m_GenerateIndices;
// Optimization: Pointer to the current pos, norm, texcoord, and color
mutable float *m_pCurrPosition;
#ifndef _XBOX
mutable float *m_pCurrNormal;
#else
mutable unsigned char *m_pCurrNormal;
#endif
mutable float *m_pCurrTexCoord[VERTEX_MAX_TEXTURE_COORDINATES];
mutable unsigned char *m_pCurrColor;
};
//-----------------------------------------------------------------------------
// Constructor
//-----------------------------------------------------------------------------
inline CMeshBuilder::CMeshBuilder() : m_pMesh(0), m_NumIndices(0),
m_NumVertices(0), m_CurrentVertex(0), m_CurrentIndex(0), m_MaxVertices(0),
m_MaxIndices(0), m_GenerateIndices(false)
{
#ifdef _DEBUG
m_pCurrPosition = NULL;
m_pCurrNormal = NULL;
m_pCurrColor = NULL;
m_pCurrTexCoord[0] = NULL;
m_pCurrTexCoord[1] = NULL;
m_pCurrTexCoord[2] = NULL;
m_pCurrTexCoord[3] = NULL;
m_bModify = false;
#endif
}
//-----------------------------------------------------------------------------
// Computes the number of verts and indices based on primitive type and count
//-----------------------------------------------------------------------------
inline void CMeshBuilder::ComputeNumVertsAndIndices( MaterialPrimitiveType_t type,
int numPrimitives )
{
switch(type)
{
case MATERIAL_POINTS:
m_MaxVertices = m_MaxIndices = numPrimitives;
break;
case MATERIAL_LINES:
m_MaxVertices = m_MaxIndices = numPrimitives * 2;
break;
case MATERIAL_LINE_STRIP:
m_MaxVertices = numPrimitives + 1;
m_MaxIndices = numPrimitives * 2;
break;
case MATERIAL_LINE_LOOP:
m_MaxVertices = numPrimitives;
m_MaxIndices = numPrimitives * 2;
break;
case MATERIAL_TRIANGLES:
m_MaxVertices = m_MaxIndices = numPrimitives * 3;
break;
case MATERIAL_TRIANGLE_STRIP:
m_MaxVertices = m_MaxIndices = numPrimitives + 2;
break;
case MATERIAL_QUADS:
m_MaxVertices = numPrimitives * 4;
m_MaxIndices = numPrimitives * 6;
break;
case MATERIAL_POLYGON:
m_MaxVertices = numPrimitives;
m_MaxIndices = (numPrimitives - 2) * 3;
break;
default:
Assert(0);
}
// FIXME: need to get this from meshdx8.cpp, or move it to somewhere common
Assert( m_MaxVertices <= 32768 );
Assert( m_MaxIndices <= 32768 );
}
inline int CMeshBuilder::IndicesFromVertices( MaterialPrimitiveType_t type, int numVerts )
{
if (type == MATERIAL_QUADS)
{
Assert( (numVerts & 0x3) == 0 );
return (numVerts * 6) / 4;
}
else if (type == MATERIAL_POLYGON)
{
Assert( numVerts >= 3 );
return (numVerts - 2) * 3;
}
else if (type == MATERIAL_LINE_STRIP)
{
Assert( numVerts >= 2 );
return (numVerts - 1) * 2;
}
else if (type == MATERIAL_LINE_LOOP)
{
Assert( numVerts >= 3 );
return numVerts * 2;
}
return numVerts;
}
//-----------------------------------------------------------------------------
// Begins modifying the mesh
//-----------------------------------------------------------------------------
inline void CMeshBuilder::Begin( IMesh* pMesh, MaterialPrimitiveType_t type, int numPrimitives )
{
Assert( pMesh && (!m_pMesh) );
m_pMesh = pMesh;
m_bModify = false;
Assert( type != MATERIAL_HETEROGENOUS );
ComputeNumVertsAndIndices( type, numPrimitives );
m_NumIndices = 0; m_NumVertices = 0;
m_GenerateIndices = true;
m_Type = type;
if ((type == MATERIAL_QUADS) || (type == MATERIAL_POLYGON))
{
m_pMesh->SetPrimitiveType( MATERIAL_TRIANGLES );
}
else if ((type == MATERIAL_LINE_STRIP) || (type == MATERIAL_LINE_LOOP))
{
m_pMesh->SetPrimitiveType( MATERIAL_LINES );
}
else
{
m_pMesh->SetPrimitiveType( type );
}
// Lock the mesh
m_pMesh->LockMesh( m_MaxVertices, m_MaxIndices, *this );
// Point to the start of the index and vertex buffers
Reset();
}
inline void CMeshBuilder::Begin( IMesh* pMesh, MaterialPrimitiveType_t type, int numVertices, int numIndices, int *nFirstVertex )
{
Begin( pMesh, type, numVertices, numIndices );
*nFirstVertex = m_FirstVertex * m_ActualVertexSize;
}
inline void CMeshBuilder::Begin( IMesh* pMesh, MaterialPrimitiveType_t type, int numVertices, int numIndices )
{
Assert( pMesh && (!m_pMesh) );
// NOTE: We can't specify the indices when we use quads, polygons, or
// linestrips; they aren't actually directly supported by
// the material system
Assert( (type != MATERIAL_QUADS) && (type != MATERIAL_POLYGON) &&
(type != MATERIAL_LINE_STRIP) && (type != MATERIAL_LINE_LOOP));
// Dx8 doesn't support indexed points...
Assert( type != MATERIAL_POINTS );
m_pMesh = pMesh;
m_bModify = false;
// Set the primitive type
m_pMesh->SetPrimitiveType( type );
m_MaxVertices = numVertices;
m_MaxIndices = numIndices;
m_NumIndices = 0; m_NumVertices = 0;
m_GenerateIndices = false;
m_Type = type;
// Lock the vertex and index buffer
m_pMesh->LockMesh( m_MaxVertices, m_MaxIndices, *this );
// Point to the start of the buffers..
Reset();
}
//-----------------------------------------------------------------------------
// Use this when you're done modifying the mesh
//-----------------------------------------------------------------------------
inline void CMeshBuilder::End( bool spewData, bool bDraw )
{
// Make sure they called Begin()
Assert( !m_bModify );
if (m_GenerateIndices)
{
m_NumIndices = IndicesFromVertices( m_Type, m_NumVertices );
if (m_Type == MATERIAL_QUADS)
{
m_pMesh->GenerateQuadIndexBuffer( m_pIndices, m_NumIndices, m_FirstVertex );
}
else if (m_Type == MATERIAL_POLYGON)
{
m_pMesh->GeneratePolygonIndexBuffer( m_pIndices, m_NumIndices, m_FirstVertex );
}
else if (m_Type == MATERIAL_LINE_STRIP)
{
m_pMesh->GenerateLineStripIndexBuffer( m_pIndices, m_NumIndices, m_FirstVertex );
}
else if (m_Type == MATERIAL_LINE_LOOP)
{
m_pMesh->GenerateLineLoopIndexBuffer( m_pIndices, m_NumIndices, m_FirstVertex );
}
else if (m_Type != MATERIAL_POINTS)
{
m_pMesh->GenerateSequentialIndexBuffer( m_pIndices, m_NumIndices, m_FirstVertex );
}
}
#ifndef _XBOX
if( m_NumVertices > 0 )
{
m_pMesh->CallSoftwareVertexShader( this );
}
#endif
if (spewData)
{
MeshDescV1_t v1;
GetMeshDescV1( v1 );
m_pMesh->Spew( m_NumVertices, m_NumIndices, v1 );
}
#ifdef _DEBUG
MeshDescV1_t v1;
GetMeshDescV1( v1 );
m_pMesh->ValidateData( m_NumVertices, m_NumIndices, v1 );
#endif
// Unlock our buffers
m_pMesh->UnlockMesh( m_NumVertices, m_NumIndices, *this );
if( bDraw )
m_pMesh->Draw();
m_pMesh = 0;
m_MaxVertices = m_MaxIndices = 0;
#ifdef _DEBUG
// Null out our pointers...
m_pCurrPosition = NULL;
m_pCurrNormal = NULL;
m_pCurrColor = NULL;
m_pCurrTexCoord[0] = NULL;
m_pCurrTexCoord[1] = NULL;
m_pCurrTexCoord[2] = NULL;
m_pCurrTexCoord[3] = NULL;
memset( (MeshDesc_t*)this, 0, sizeof(MeshDesc_t) );
#endif
}
//-----------------------------------------------------------------------------
// Locks the vertex buffer to modify existing data
//-----------------------------------------------------------------------------
inline void CMeshBuilder::BeginModify( IMesh* pMesh, int firstVertex, int numVertices, int firstIndex, int numIndices )
{
Assert( pMesh && (!m_pMesh) );
if (numVertices < 0)
numVertices = pMesh->NumVertices();
m_pMesh = pMesh;
m_MaxVertices = m_NumVertices = numVertices;
m_MaxIndices = m_NumIndices = numIndices;
m_GenerateIndices = false;
m_bModify = true;
// Locks mesh for modifying
pMesh->ModifyBeginEx( false, firstVertex, numVertices, firstIndex, numIndices, *this );
// Point to the start of the buffers..
Reset();
}
inline void CMeshBuilder::EndModify( bool spewData )
{
Assert( m_pMesh );
Assert( m_bModify ); // Make sure they called BeginModify.
if (spewData)
{
MeshDescV1_t v1;
GetMeshDescV1( v1 );
m_pMesh->Spew( m_NumVertices, m_NumIndices, v1 );
}
#ifdef _DEBUG
MeshDescV1_t v1;
GetMeshDescV1( v1 );
m_pMesh->ValidateData( m_NumVertices, m_NumIndices, v1 );
#endif
// Unlocks mesh
m_pMesh->ModifyEnd( );
m_pMesh = 0;
m_MaxVertices = m_MaxIndices = 0;
#ifdef _DEBUG
// Null out our pointers...
memset( (MeshDesc_t*)this, 0, sizeof(MeshDesc_t) );
#endif
}
//-----------------------------------------------------------------------------
// Resets the mesh builder so it points to the start of everything again
//-----------------------------------------------------------------------------
inline void CMeshBuilder::Reset()
{
m_CurrentVertex = 0;
m_CurrentIndex = 0;
m_pCurrPosition = m_pPosition;
m_pCurrNormal = m_pNormal;
m_pCurrTexCoord[0] = m_pTexCoord[0];
m_pCurrTexCoord[1] = m_pTexCoord[1];
m_pCurrTexCoord[2] = m_pTexCoord[2];
m_pCurrTexCoord[3] = m_pTexCoord[3];
m_pCurrColor = m_pColor;
}
//-----------------------------------------------------------------------------
// returns a float
//-----------------------------------------------------------------------------
inline float const* CMeshBuilder::OffsetFloatPointer( float const* pBufferPointer, int numVerts, int vertexSize ) const
{
return reinterpret_cast<float const*>(
reinterpret_cast<unsigned char const*>(pBufferPointer) +
numVerts * vertexSize);
}
inline float* CMeshBuilder::OffsetFloatPointer( float* pBufferPointer, int numVerts, int vertexSize )
{
return reinterpret_cast<float*>(
reinterpret_cast<unsigned char*>(pBufferPointer) +
numVerts * vertexSize);
}
inline void CMeshBuilder::IncrementFloatPointer( float* &pBufferPointer, int vertexSize )
{
pBufferPointer = reinterpret_cast<float*>( reinterpret_cast<unsigned char*>(pBufferPointer) + vertexSize );
}
//-----------------------------------------------------------------------------
// Selects the current Vertex and Index
//-----------------------------------------------------------------------------
inline void CMeshBuilder::SelectVertex( int idx )
{
// NOTE: This index is expected to be relative
Assert( (idx >= 0) && (idx < m_MaxVertices) );
m_CurrentVertex = idx;
m_pCurrPosition = OffsetFloatPointer( m_pPosition, m_CurrentVertex, m_VertexSize_Position );
#ifndef _XBOX
m_pCurrNormal = OffsetFloatPointer( m_pNormal, m_CurrentVertex, m_VertexSize_Normal );
#else
m_pCurrNormal = m_pNormal + m_CurrentVertex * m_VertexSize_Normal;
#endif
m_pCurrTexCoord[0] = OffsetFloatPointer( m_pTexCoord[0], m_CurrentVertex, m_VertexSize_TexCoord[0] );
m_pCurrTexCoord[1] = OffsetFloatPointer( m_pTexCoord[1], m_CurrentVertex, m_VertexSize_TexCoord[1] );
m_pCurrTexCoord[2] = OffsetFloatPointer( m_pTexCoord[2], m_CurrentVertex, m_VertexSize_TexCoord[2] );
m_pCurrTexCoord[3] = OffsetFloatPointer( m_pTexCoord[3], m_CurrentVertex, m_VertexSize_TexCoord[3] );
m_pCurrColor = m_pColor + m_CurrentVertex * m_VertexSize_Color;
}
inline void CMeshBuilder::SelectVertexFromIndex( int idx )
{
// NOTE: This index is expected to be relative
int vertIdx = idx - m_FirstVertex;
SelectVertex( vertIdx );
}
inline void CMeshBuilder::SelectIndex( int idx )
{
Assert( (idx >= 0) && (idx < m_NumIndices) );
m_CurrentIndex = idx * m_IndexSize;
}
//-----------------------------------------------------------------------------
// Advances the current vertex and index by one
//-----------------------------------------------------------------------------
inline void CMeshBuilder::AdvanceVertex()
{
if (++m_CurrentVertex > m_NumVertices)
m_NumVertices = m_CurrentVertex;
IncrementFloatPointer( m_pCurrPosition, m_VertexSize_Position );
#ifndef _XBOX
IncrementFloatPointer( m_pCurrNormal, m_VertexSize_Normal );
#else
m_pCurrNormal += m_VertexSize_Normal;
#endif
IncrementFloatPointer( m_pCurrTexCoord[0], m_VertexSize_TexCoord[0] );
IncrementFloatPointer( m_pCurrTexCoord[1], m_VertexSize_TexCoord[1] );
IncrementFloatPointer( m_pCurrTexCoord[2], m_VertexSize_TexCoord[2] );
IncrementFloatPointer( m_pCurrTexCoord[3], m_VertexSize_TexCoord[3] );
m_pCurrColor += m_VertexSize_Color;
}
inline void CMeshBuilder::AdvanceVertices( int nVerts )
{
m_CurrentVertex += nVerts;
if (m_CurrentVertex > m_NumVertices)
m_NumVertices = m_CurrentVertex;
IncrementFloatPointer( m_pCurrPosition, m_VertexSize_Position*nVerts );
#ifndef _XBOX
IncrementFloatPointer( m_pCurrNormal, m_VertexSize_Normal*nVerts );
#else
m_pCurrNormal += m_VertexSize_Normal*nVerts;
#endif
IncrementFloatPointer( m_pCurrTexCoord[0], m_VertexSize_TexCoord[0]*nVerts );
IncrementFloatPointer( m_pCurrTexCoord[1], m_VertexSize_TexCoord[1]*nVerts );
IncrementFloatPointer( m_pCurrTexCoord[2], m_VertexSize_TexCoord[2]*nVerts );
IncrementFloatPointer( m_pCurrTexCoord[3], m_VertexSize_TexCoord[3]*nVerts );
m_pCurrColor += m_VertexSize_Color*nVerts;
}
inline void CMeshBuilder::AdvanceIndex()
{
m_CurrentIndex += m_IndexSize;
if ( m_CurrentIndex > m_NumIndices )
{
m_NumIndices = m_CurrentIndex;
}
}
inline void CMeshBuilder::AdvanceIndices( int nIndices )
{
m_CurrentIndex += nIndices * m_IndexSize;
if ( m_CurrentIndex > m_NumIndices )
{
m_NumIndices = m_CurrentIndex;
}
}
inline int CMeshBuilder::GetCurrentVertex()
{
return m_CurrentVertex;
}
inline int CMeshBuilder::GetCurrentIndex()
{
return m_CurrentIndex;
}
//-----------------------------------------------------------------------------
// A helper method since this seems to be done a whole bunch.
//-----------------------------------------------------------------------------
inline void CMeshBuilder::DrawQuad( IMesh* pMesh, float const* v1, float const* v2,
float const* v3, float const* v4, unsigned char const* pColor, bool wireframe )
{
if (!wireframe)
{
Begin( pMesh, MATERIAL_TRIANGLE_STRIP, 2 );
Position3fv (v1);
Color4ubv( pColor );
AdvanceVertex();
Position3fv (v2);
Color4ubv( pColor );
AdvanceVertex();
Position3fv (v4);
Color4ubv( pColor );
AdvanceVertex();
Position3fv (v3);
Color4ubv( pColor );
AdvanceVertex();
}
else
{
Begin( pMesh, MATERIAL_LINE_LOOP, 4 );
Position3fv (v1);
Color4ubv( pColor );
AdvanceVertex();
Position3fv (v2);
Color4ubv( pColor );
AdvanceVertex();
Position3fv (v3);
Color4ubv( pColor );
AdvanceVertex();
Position3fv (v4);
Color4ubv( pColor );
AdvanceVertex();
}
End();
pMesh->Draw();
}
//-----------------------------------------------------------------------------
// returns the number of indices and vertices
//-----------------------------------------------------------------------------
inline int CMeshBuilder::NumVertices() const
{
return m_NumVertices;
}
inline int CMeshBuilder::NumIndices() const
{
return m_NumIndices;
}
//-----------------------------------------------------------------------------
// Returns the base vertex memory pointer
//-----------------------------------------------------------------------------
inline void* CMeshBuilder::BaseVertexData()
{
// FIXME: If there's no position specified, we need to find
// the base address
Assert( m_pPosition );
return m_pPosition;
}
//-----------------------------------------------------------------------------
// Data retrieval...
//-----------------------------------------------------------------------------
inline float const* CMeshBuilder::Position( ) const
{
Assert( m_CurrentVertex < m_MaxVertices );
return m_pCurrPosition;
}
#ifndef _XBOX
inline float const* CMeshBuilder::Normal() const
{
Assert( m_CurrentVertex < m_MaxVertices );
return m_pCurrNormal;
}
#else
inline unsigned char const* CMeshBuilder::PackedNormal() const
{
Assert( m_CurrentVertex < m_MaxVertices );
return m_pCurrNormal;
}
#endif
inline unsigned int CMeshBuilder::Color( ) const
{
// Swizzle it so it returns the same format as accepted by Color4ubv
Assert( m_CurrentVertex < m_MaxVertices );
return (m_pCurrColor[0] << 16) | (m_pCurrColor[1] << 8) | (m_pCurrColor[2]) | (m_pCurrColor[3] << 24);
}
inline unsigned char *CMeshBuilder::SpecularPtr() const
{
Assert( m_CurrentVertex < m_MaxVertices );
return m_pSpecular + m_CurrentVertex * m_VertexSize_Specular;
}
inline float const* CMeshBuilder::TexCoord( int stage ) const
{
Assert( m_CurrentVertex < m_MaxVertices );
return m_pCurrTexCoord[stage];
}
#ifndef _XBOX
inline float const* CMeshBuilder::TangentS() const
{
Assert( m_CurrentVertex < m_MaxVertices );
return OffsetFloatPointer( m_pTangentS, m_CurrentVertex, m_VertexSize_TangentS );
}
#else
inline unsigned char const* CMeshBuilder::PackedTangentS() const
{
Assert( m_CurrentVertex < m_MaxVertices );
return m_pTangentS;
}
#endif
#ifndef _XBOX
inline float const* CMeshBuilder::TangentT() const
{
Assert( m_CurrentVertex < m_MaxVertices );
return OffsetFloatPointer( m_pTangentT, m_CurrentVertex, m_VertexSize_TangentT );
}
#else
inline unsigned char const* CMeshBuilder::PackedTangentT() const
{
Assert( m_CurrentVertex < m_MaxVertices );
return m_pTangentT;
}
#endif
#ifndef _XBOX
inline float const* CMeshBuilder::TangentSxT( ) const
{
Assert( m_CurrentVertex < m_MaxVertices );
return OffsetFloatPointer( m_pTangentSxT, m_CurrentVertex, m_VertexSize_TangentSxT );
}
#endif
#ifndef _XBOX
inline float const* CMeshBuilder::BoneWeight() const
{
Assert( m_CurrentVertex < m_MaxVertices );
return OffsetFloatPointer( m_pBoneWeight, m_CurrentVertex, m_VertexSize_BoneWeight );
}
#else
inline unsigned char const* CMeshBuilder::PackedBoneWeight() const
{
Assert( m_CurrentVertex < m_MaxVertices );
return m_pBoneWeight + m_CurrentVertex * m_VertexSize_BoneWeight;
}
#endif
inline int CMeshBuilder::NumBoneWeights() const
{
return m_NumBoneWeights;
}
#ifndef NEW_SKINNING
inline unsigned char* CMeshBuilder::BoneMatrix() const
{
Assert( m_CurrentVertex < m_MaxVertices );
return m_pBoneMatrixIndex + m_CurrentVertex * m_VertexSize_BoneMatrixIndex;
}
#else
inline float* CMeshBuilder::BoneMatrix() const
{
Assert( m_CurrentVertex < m_MaxVertices );
return m_pBoneMatrixIndex + m_CurrentVertex * m_VertexSize_BoneMatrixIndex;
}
#endif
inline unsigned short const* CMeshBuilder::Index( ) const
{
Assert( m_CurrentIndex < m_MaxIndices );
return &m_pIndices[m_CurrentIndex];
}
//-----------------------------------------------------------------------------
// Index
//-----------------------------------------------------------------------------
inline void CMeshBuilder::Index( unsigned short idx )
{
Assert( m_pIndices );
Assert( m_CurrentIndex < m_MaxIndices );
m_pIndices[m_CurrentIndex] = (unsigned short)(m_FirstVertex + idx);
}
//-----------------------------------------------------------------------------
// Fast Index! No need to call advance index
//-----------------------------------------------------------------------------
inline void CMeshBuilder::FastIndex( unsigned short idx )
{
Assert( m_pIndices );
Assert( m_CurrentIndex < m_MaxIndices );
m_pIndices[m_CurrentIndex] = (unsigned short)(m_FirstVertex + idx);
m_CurrentIndex += m_IndexSize;
m_NumIndices = m_CurrentIndex;
}
//-----------------------------------------------------------------------------
// For use with the FastVertex methods, advances the current vertex by N
//-----------------------------------------------------------------------------
inline void CMeshBuilder::FastAdvanceNVertices( int n )
{
m_CurrentVertex += n;
m_NumVertices = m_CurrentVertex;
}
//-----------------------------------------------------------------------------
// Fast Vertex! No need to call advance vertex, and no random access allowed
//-----------------------------------------------------------------------------
#ifndef _XBOX
inline void CMeshBuilder::FastVertex( const ModelVertexDX7_t &vertex )
{
Assert( m_CurrentVertex < m_MaxVertices );
const void *pRead = &vertex;
void *pCurrPos = m_pCurrPosition;
#ifdef _WIN32
__asm
{
mov esi, pRead
mov edi, pCurrPos
movq mm0, [esi + 0]
movq mm1, [esi + 8]
movq mm2, [esi + 16]
movq mm3, [esi + 24]
movq mm4, [esi + 32]
movq mm5, [esi + 40]
movntq [edi + 0], mm0
movntq [edi + 8], mm1
movntq [edi + 16], mm2
movntq [edi + 24], mm3
movntq [edi + 32], mm4
movntq [edi + 40], mm5
emms
}
#else
Error( "Implement CMeshBuilder::FastVertex(dx7) ");
#endif
IncrementFloatPointer( m_pCurrPosition, m_VertexSize_Position );
//m_NumVertices = ++m_CurrentVertex;
}
#endif
#ifndef _XBOX
inline void CMeshBuilder::FastVertexSSE( const ModelVertexDX7_t &vertex )
{
Assert( m_CurrentVertex < m_MaxVertices );
const void *pRead = &vertex;
void *pCurrPos = m_pCurrPosition;
#ifdef _WIN32
__asm
{
mov esi, pRead
mov edi, pCurrPos
movaps xmm0, [esi + 0]
movaps xmm1, [esi + 16]
movaps xmm2, [esi + 32]
movntps [edi + 0], xmm0
movntps [edi + 16], xmm1
movntps [edi + 32], xmm2
}
#else
Error( "Implement CMeshBuilder::FastVertexSSE(dx7)" );
#endif
IncrementFloatPointer( m_pCurrPosition, m_VertexSize_Position );
//m_NumVertices = ++m_CurrentVertex;
}
#endif
#ifndef _XBOX
inline void CMeshBuilder::Fast4VerticesSSE(
ModelVertexDX7_t const *vtx_a,
ModelVertexDX7_t const *vtx_b,
ModelVertexDX7_t const *vtx_c,
ModelVertexDX7_t const *vtx_d)
{
Assert( m_CurrentVertex < m_MaxVertices-3 );
void *pCurrPos = m_pCurrPosition;
#ifdef _WIN32
__asm
{
mov esi, vtx_a
mov ebx, vtx_b
mov edi, pCurrPos
nop
movaps xmm0, [esi + 0]
movaps xmm1, [esi + 16]
movaps xmm2, [esi + 32]
movaps xmm3, [ebx + 0]
movaps xmm4, [ebx + 16]
movaps xmm5, [ebx + 32]
mov esi, vtx_c
mov ebx, vtx_d
movntps [edi + 0], xmm0
movntps [edi + 16], xmm1
movntps [edi + 32], xmm2
movntps [edi + 48], xmm3
movntps [edi + 64], xmm4
movntps [edi + 80], xmm5
movaps xmm0, [esi + 0]
movaps xmm1, [esi + 16]
movaps xmm2, [esi + 32]
movaps xmm3, [ebx + 0]
movaps xmm4, [ebx + 16]
movaps xmm5, [ebx + 32]
movntps [edi + 0+96], xmm0
movntps [edi + 16+96], xmm1
movntps [edi + 32+96], xmm2
movntps [edi + 48+96], xmm3
movntps [edi + 64+96], xmm4
movntps [edi + 80+96], xmm5
}
#else
Error( "Implement CMeshBuilder::Fast4VerticesSSE\n");
#endif
IncrementFloatPointer( m_pCurrPosition, 4*m_VertexSize_Position );
}
#endif
#ifndef _XBOX
inline void CMeshBuilder::FastVertex( const ModelVertexDX8_t &vertex )
{
Assert( m_CurrentVertex < m_MaxVertices );
const void *pRead = &vertex;
void *pCurrPos = m_pCurrPosition;
#ifdef _WIN32
__asm
{
mov esi, pRead
mov edi, pCurrPos
movq mm0, [esi + 0]
movq mm1, [esi + 8]
movq mm2, [esi + 16]
movq mm3, [esi + 24]
movq mm4, [esi + 32]
movq mm5, [esi + 40]
movq mm6, [esi + 48]
movq mm7, [esi + 56]
movntq [edi + 0], mm0
movntq [edi + 8], mm1
movntq [edi + 16], mm2
movntq [edi + 24], mm3
movntq [edi + 32], mm4
movntq [edi + 40], mm5
movntq [edi + 48], mm6
movntq [edi + 56], mm7
emms
}
#else
Error( "Implement CMeshBuilder::FastVertex(dx8)" );
#endif
IncrementFloatPointer( m_pCurrPosition, m_VertexSize_Position );
// m_NumVertices = ++m_CurrentVertex;
}
#endif
#ifndef _XBOX
inline void CMeshBuilder::FastVertexSSE( const ModelVertexDX8_t &vertex )
{
Assert( m_CurrentVertex < m_MaxVertices );
const void *pRead = &vertex;
void *pCurrPos = m_pCurrPosition;
#ifdef _WIN32
__asm
{
mov esi, pRead
mov edi, pCurrPos
movaps xmm0, [esi + 0]
movaps xmm1, [esi + 16]
movaps xmm2, [esi + 32]
movaps xmm3, [esi + 48]
movntps [edi + 0], xmm0
movntps [edi + 16], xmm1
movntps [edi + 32], xmm2
movntps [edi + 48], xmm3
}
#else
Error( "Implement CMeshBuilder::FastVertexSSE((dx8)" );
#endif
IncrementFloatPointer( m_pCurrPosition, m_VertexSize_Position );
// m_NumVertices = ++m_CurrentVertex;
}
#endif
//-----------------------------------------------------------------------------
// Copies a formatted vertex into the xbox format
//-----------------------------------------------------------------------------
#ifdef _XBOX
inline void CMeshBuilder::VertexDX8ToXBox( const ModelVertexDX8_t &vertex )
{
// xboxissue - the desire is to have the fastest source to destination copy
// unpacked sources and packed targets prevents any SSE due to non-alignment
// the sources *must* be changed to be in packed format
Assert( m_CurrentVertex < m_MaxVertices );
// get the start of the data
unsigned char *pDst = (unsigned char*)m_pCurrPosition;
memcpy( pDst, vertex.m_vecPosition.Base(), 3*sizeof(float) );
pDst += 3*sizeof( float );
if ( m_VertexSize_BoneWeight )
{
// pack bone weights
Assert( vertex.m_flBoneWeights[0] >= 0 && vertex.m_flBoneWeights[0] <= 1.0f );
Assert( vertex.m_flBoneWeights[1] >= 0 && vertex.m_flBoneWeights[1] <= 1.0f );
((unsigned short*)pDst)[0] = Float2Int( vertex.m_flBoneWeights[0] * 32767.0f );
((unsigned short*)pDst)[1] = Float2Int( vertex.m_flBoneWeights[1] * 32767.0f );
pDst += 2*sizeof( unsigned short );
if ( m_VertexSize_BoneMatrixIndex )
{
*(unsigned int*)pDst = vertex.m_nBoneIndices;
pDst += sizeof( unsigned int );
}
}
if ( m_VertexSize_Normal )
{
// pack normal
PackNormal( (float*)vertex.m_vecNormal.Base(), (unsigned int*)pDst );
pDst += sizeof( unsigned int );
}
if ( m_VertexSize_Color )
{
*(unsigned int*)pDst = vertex.m_nColor;
pDst += sizeof( unsigned int );
}
if ( m_VertexSize_TexCoord[0] )
{
memcpy( pDst, vertex.m_vecTexCoord.Base(), 2*sizeof( float ) );
pDst += 2*sizeof( float );
}
if ( m_VertexSize_UserData )
{
// pack user data
// user data needs to be a valid normal, find source and fix
Assert( vertex.m_vecUserData[0] >= -1.0f && vertex.m_vecUserData[0] <= 1.0f );
Assert( vertex.m_vecUserData[1] >= -1.0f && vertex.m_vecUserData[1] <= 1.0f );
Assert( vertex.m_vecUserData[2] >= -1.0f && vertex.m_vecUserData[2] <= 1.0f );
// scale from [-1..1] to [0..255], fixup in shader
pDst[0] = FastFToC( vertex.m_vecUserData[0]*0.5f + 0.5f );
pDst[1] = FastFToC( vertex.m_vecUserData[1]*0.5f + 0.5f );
pDst[2] = FastFToC( vertex.m_vecUserData[2]*0.5f + 0.5f );
pDst[3] = vertex.m_vecUserData[3] < 0 ? 0 : 255;
pDst += 4*sizeof( char );
}
// ensure code is synced with the mesh builder that established the offsets
Assert( pDst - (unsigned char*)m_pCurrPosition == m_VertexSize_Position );
IncrementFloatPointer( m_pCurrPosition, m_VertexSize_Position );
}
#endif
//-----------------------------------------------------------------------------
// Position setting methods
//-----------------------------------------------------------------------------
inline void CMeshBuilder::Position3f( float x, float y, float z )
{
Assert( m_pPosition && m_pCurrPosition );
Assert( IsFinite(x) && IsFinite(y) && IsFinite(z) );
float *pDst = m_pCurrPosition;
*pDst++ = x;
*pDst++ = y;
*pDst = z;
}
inline void CMeshBuilder::Position3fv( float const *v )
{
Assert(v);
Assert( m_pPosition && m_pCurrPosition );
float *pDst = m_pCurrPosition;
*pDst++ = *v++;
*pDst++ = *v++;
*pDst = *v;
}
//-----------------------------------------------------------------------------
// Normal setting methods
//-----------------------------------------------------------------------------
inline void CMeshBuilder::Normal3f( float nx, float ny, float nz )
{
Assert( m_pNormal );
Assert( IsFinite(nx) && IsFinite(ny) && IsFinite(nz) );
Assert( nx >= -1.05f && nx <= 1.05f );
Assert( ny >= -1.05f && ny <= 1.05f );
Assert( nz >= -1.05f && nz <= 1.05f );
#ifndef _XBOX
float *pDst = m_pCurrNormal;
*pDst++ = nx;
*pDst++ = ny;
*pDst = nz;
#else
PackNormal( nx, ny, nz, (unsigned int*)m_pCurrNormal );
#endif
}
inline void CMeshBuilder::Normal3fv( float const *n )
{
Assert(n);
Assert( m_pNormal && m_pCurrNormal );
Assert( IsFinite(n[0]) && IsFinite(n[1]) && IsFinite(n[2]) );
Assert( n[0] >= -1.05f && n[0] <= 1.05f );
Assert( n[1] >= -1.05f && n[1] <= 1.05f );
Assert( n[2] >= -1.05f && n[2] <= 1.05f );
#ifndef _XBOX
float *pDst = m_pCurrNormal;
*pDst++ = *n++;
*pDst++ = *n++;
*pDst = *n;
#else
PackNormal( n[0], n[1], n[2], (unsigned int*)m_pCurrNormal );
#endif
}
inline void CMeshBuilder::NormalDelta3f( float nx, float ny, float nz )
{
Assert( m_pNormal );
Assert( IsFinite(nx) && IsFinite(ny) && IsFinite(nz) );
float *pDst = m_pCurrNormal;
*pDst++ = nx;
*pDst++ = ny;
*pDst = nz;
}
inline void CMeshBuilder::NormalDelta3fv( float const *n )
{
Assert(n);
Assert( m_pNormal && m_pCurrNormal );
Assert( IsFinite(n[0]) && IsFinite(n[1]) && IsFinite(n[2]) );
float *pDst = m_pCurrNormal;
*pDst++ = *n++;
*pDst++ = *n++;
*pDst = *n;
}
//-----------------------------------------------------------------------------
// Color setting methods
//-----------------------------------------------------------------------------
inline void CMeshBuilder::Color3f( float r, float g, float b )
{
Assert( m_pColor && m_pCurrColor );
Assert( IsFinite(r) && IsFinite(g) && IsFinite(b) );
Assert( (r >= 0.0) && (g >= 0.0) && (b >= 0.0) );
Assert( (r <= 1.0) && (g <= 1.0) && (b <= 1.0) );
int col = (FastFToC(b)) | (FastFToC(g) << 8) | (FastFToC(r) << 16) | 0xFF000000;
*(int*)m_pCurrColor = col;
}
inline void CMeshBuilder::Color3fv( float const *rgb )
{
Assert(rgb);
Assert( m_pColor && m_pCurrColor );
Assert( IsFinite(rgb[0]) && IsFinite(rgb[1]) && IsFinite(rgb[2]) );
Assert( (rgb[0] >= 0.0) && (rgb[1] >= 0.0) && (rgb[2] >= 0.0) );
Assert( (rgb[0] <= 1.0) && (rgb[1] <= 1.0) && (rgb[2] <= 1.0) );
int col = (FastFToC(rgb[2])) | (FastFToC(rgb[1]) << 8) | (FastFToC(rgb[0]) << 16) | 0xFF000000;
*(int*)m_pCurrColor = col;
}
inline void CMeshBuilder::Color4f( float r, float g, float b, float a )
{
Assert( m_pColor && m_pCurrColor );
Assert( IsFinite(r) && IsFinite(g) && IsFinite(b) && IsFinite(a) );
Assert( (r >= 0.0) && (g >= 0.0) && (b >= 0.0) && (a >= 0.0) );
Assert( (r <= 1.0) && (g <= 1.0) && (b <= 1.0) && (a <= 1.0) );
int col = (FastFToC(b)) | (FastFToC(g) << 8) | (FastFToC(r) << 16) | (FastFToC(a) << 24);
*(int*)m_pCurrColor = col;
}
inline void CMeshBuilder::Color4fv( float const *rgba )
{
Assert(rgba);
Assert( m_pColor && m_pCurrColor );
Assert( IsFinite(rgba[0]) && IsFinite(rgba[1]) && IsFinite(rgba[2]) && IsFinite(rgba[3]) );
Assert( (rgba[0] >= 0.0) && (rgba[1] >= 0.0) && (rgba[2] >= 0.0) && (rgba[3] >= 0.0) );
Assert( (rgba[0] <= 1.0) && (rgba[1] <= 1.0) && (rgba[2] <= 1.0) && (rgba[3] <= 1.0) );
int col = (FastFToC(rgba[2])) | (FastFToC(rgba[1]) << 8) | (FastFToC(rgba[0]) << 16) | (FastFToC(rgba[3]) << 24);
*(int*)m_pCurrColor = col;
}
//-----------------------------------------------------------------------------
// Faster versions of color
//-----------------------------------------------------------------------------
inline void CMeshBuilder::Color3ub( unsigned char r, unsigned char g, unsigned char b )
{
Assert( m_pColor && m_pCurrColor );
int col = b | (g << 8) | (r << 16) | 0xFF000000;
*(int*)m_pCurrColor = col;
}
inline void CMeshBuilder::Color3ubv( unsigned char const* rgb )
{
Assert(rgb);
Assert( m_pColor && m_pCurrColor );
int col = rgb[2] | (rgb[1] << 8) | (rgb[0] << 16) | 0xFF000000;
*(int*)m_pCurrColor = col;
}
inline void CMeshBuilder::Color4ub( unsigned char r, unsigned char g, unsigned char b, unsigned char a )
{
Assert( m_pColor && m_pCurrColor );
int col = b | (g << 8) | (r << 16) | (a << 24);
*(int*)m_pCurrColor = col;
}
inline void CMeshBuilder::Color4ubv( unsigned char const* rgba )
{
Assert( rgba );
Assert( m_pColor && m_pCurrColor );
int col = rgba[2] | (rgba[1] << 8) | (rgba[0] << 16) | (rgba[3] << 24);
*(int*)m_pCurrColor = col;
}
inline void CMeshBuilder::Specular3f( float r, float g, float b )
{
Assert( m_pSpecular );
Assert( IsFinite(r) && IsFinite(g) && IsFinite(b) );
Assert( (r >= 0.0) && (g >= 0.0) && (b >= 0.0) );
Assert( (r <= 1.0) && (g <= 1.0) && (b <= 1.0) );
unsigned char* pSpecular = &m_pSpecular[m_CurrentVertex * m_VertexSize_Specular];
int col = (FastFToC(b)) | (FastFToC(g) << 8) | (FastFToC(r) << 16) | 0xFF000000;
*(int*)pSpecular = col;
}
inline void CMeshBuilder::Specular3fv( float const *rgb )
{
Assert(rgb);
Assert( m_pSpecular );
Assert( IsFinite(rgb[0]) && IsFinite(rgb[1]) && IsFinite(rgb[2]) );
Assert( (rgb[0] >= 0.0) && (rgb[1] >= 0.0) && (rgb[2] >= 0.0) );
Assert( (rgb[0] <= 1.0) && (rgb[1] <= 1.0) && (rgb[2] <= 1.0) );
unsigned char* pSpecular = &m_pSpecular[m_CurrentVertex * m_VertexSize_Specular];
int col = (FastFToC(rgb[2])) | (FastFToC(rgb[1]) << 8) | (FastFToC(rgb[0]) << 16) | 0xFF000000;
*(int*)pSpecular = col;
}
inline void CMeshBuilder::Specular4f( float r, float g, float b, float a )
{
Assert( m_pSpecular );
Assert( IsFinite(r) && IsFinite(g) && IsFinite(b) && IsFinite(a) );
Assert( (r >= 0.0) && (g >= 0.0) && (b >= 0.0) && (a >= 0.0) );
Assert( (r <= 1.0) && (g <= 1.0) && (b <= 1.0) && (a <= 1.0f) );
unsigned char* pSpecular = &m_pSpecular[m_CurrentVertex * m_VertexSize_Specular];
int col = (FastFToC(b)) | (FastFToC(g) << 8) | (FastFToC(r) << 16) | (FastFToC(a) << 24);
*(int*)pSpecular = col;
}
inline void CMeshBuilder::Specular4fv( float const *rgb )
{
Assert(rgb);
Assert( m_pSpecular );
Assert( IsFinite(rgb[0]) && IsFinite(rgb[1]) && IsFinite(rgb[2]) && IsFinite(rgb[3]) );
Assert( (rgb[0] >= 0.0) && (rgb[1] >= 0.0) && (rgb[2] >= 0.0) && (rgb[3] >= 0.0) );
Assert( (rgb[0] <= 1.0) && (rgb[1] <= 1.0) && (rgb[2] <= 1.0) && (rgb[3] <= 1.0) );
unsigned char* pSpecular = &m_pSpecular[m_CurrentVertex * m_VertexSize_Specular];
int col = (FastFToC(rgb[2])) | (FastFToC(rgb[1]) << 8) | (FastFToC(rgb[0]) << 16) | (FastFToC(rgb[3]) << 24);
*(int*)pSpecular = col;
}
inline void CMeshBuilder::Specular3ub( unsigned char r, unsigned char g, unsigned char b )
{
Assert( m_pSpecular );
unsigned char *pSpecular = &m_pSpecular[m_CurrentVertex * m_VertexSize_Specular];
int col = b | (g << 8) | (r << 16) | 0xFF000000;
*(int*)pSpecular = col;
}
inline void CMeshBuilder::Specular3ubv( unsigned char const *c )
{
Assert( m_pSpecular );
unsigned char *pSpecular = &m_pSpecular[m_CurrentVertex * m_VertexSize_Specular];
int col = c[2] | (c[1] << 8) | (c[0] << 16) | 0xFF000000;
*(int*)pSpecular = col;
}
inline void CMeshBuilder::Specular4ub( unsigned char r, unsigned char g, unsigned char b, unsigned char a )
{
Assert( m_pSpecular );
unsigned char *pSpecular = &m_pSpecular[m_CurrentVertex * m_VertexSize_Specular];
int col = b | (g << 8) | (r << 16) | (a << 24);
*(int*)pSpecular = col;
}
inline void CMeshBuilder::Specular4ubv( unsigned char const *c )
{
Assert( m_pSpecular );
unsigned char *pSpecular = &m_pSpecular[m_CurrentVertex * m_VertexSize_Specular];
int col = c[2] | (c[1] << 8) | (c[0] << 16) | (c[3] << 24);
*(int*)pSpecular = col;
}
//-----------------------------------------------------------------------------
// Texture coordinate setting methods
//-----------------------------------------------------------------------------
inline void CMeshBuilder::TexCoord1f( int stage, float s )
{
Assert( m_pTexCoord[stage] && m_pCurrTexCoord[stage] );
Assert( IsFinite(s) );
float *pDst = m_pCurrTexCoord[stage];
*pDst = s;
}
inline void CMeshBuilder::TexCoord2f( int stage, float s, float t )
{
Assert( m_pTexCoord[stage] && m_pCurrTexCoord[stage] );
Assert( IsFinite(s) && IsFinite(t) );
float *pDst = m_pCurrTexCoord[stage];
*pDst++ = s;
*pDst = t;
}
inline void CMeshBuilder::TexCoord2fv( int stage, float const *st )
{
Assert(st);
Assert( m_pTexCoord[stage] && m_pCurrTexCoord[stage] );
Assert( IsFinite(st[0]) && IsFinite(st[1]) );
float *pDst = m_pCurrTexCoord[stage];
*pDst++ = *st++;
*pDst = *st;
}
inline void CMeshBuilder::TexCoord3f( int stage, float s, float t, float u )
{
// Tried to add too much!
Assert( m_pTexCoord[stage] && m_pCurrTexCoord[stage] );
Assert( IsFinite(s) && IsFinite(t) && IsFinite(u) );
float *pDst = m_pCurrTexCoord[stage];
*pDst++ = s;
*pDst++ = t;
*pDst = u;
}
inline void CMeshBuilder::TexCoord3fv( int stage, float const *stu )
{
Assert(stu);
Assert( m_pTexCoord[stage] && m_pCurrTexCoord[stage] );
Assert( IsFinite(stu[0]) && IsFinite(stu[1]) && IsFinite(stu[2]) );
float *pDst = m_pCurrTexCoord[stage];
*pDst++ = *stu++;
*pDst++ = *stu++;
*pDst = *stu;
}
inline void CMeshBuilder::TexCoordSubRect2f( int stage, float s, float t, float offsetS, float offsetT, float scaleS, float scaleT )
{
Assert( m_pTexCoord[stage] && m_pCurrTexCoord[stage] );
Assert( IsFinite(s) && IsFinite(t) );
float *pDst = m_pCurrTexCoord[stage];
*pDst++ = ( s * scaleS ) + offsetS;
*pDst = ( t * scaleT ) + offsetT;
}
inline void CMeshBuilder::TexCoordSubRect2fv( int stage, const float *st, const float *offset, const float *scale )
{
Assert(st);
Assert( m_pTexCoord[stage] && m_pCurrTexCoord[stage] );
Assert( IsFinite(st[0]) && IsFinite(st[1]) );
float *pDst = m_pCurrTexCoord[stage];
*pDst++ = ( *st++ * *scale++ ) + *offset++;
*pDst = ( *st * *scale ) + *offset;
}
//-----------------------------------------------------------------------------
// Tangent space setting methods
//-----------------------------------------------------------------------------
inline void CMeshBuilder::TangentS3f( float sx, float sy, float sz )
{
Assert( m_pTangentS );
Assert( IsFinite(sx) && IsFinite(sy) && IsFinite(sz) );
#ifndef _XBOX
float* pTangentS = OffsetFloatPointer( m_pTangentS, m_CurrentVertex, m_VertexSize_TangentS );
*pTangentS++ = sx;
*pTangentS++ = sy;
*pTangentS = sz;
#else
unsigned char *pTangentS = m_pTangentS + m_CurrentVertex * m_VertexSize_TangentS;
PackNormal( sx, sy, sz, (unsigned int*)pTangentS );
#endif
}
inline void CMeshBuilder::TangentS3fv( float const* s )
{
Assert( s );
Assert( m_pTangentS );
Assert( IsFinite(s[0]) && IsFinite(s[1]) && IsFinite(s[2]) );
#ifndef _XBOX
float* pTangentS = OffsetFloatPointer( m_pTangentS, m_CurrentVertex, m_VertexSize_TangentS );
*pTangentS++ = *s++;
*pTangentS++ = *s++;
*pTangentS = *s;
#else
unsigned char *pTangentS = m_pTangentS + m_CurrentVertex * m_VertexSize_TangentS;
PackNormal( s[0], s[1], s[2], (unsigned int*)pTangentS );
#endif
}
inline void CMeshBuilder::TangentT3f( float tx, float ty, float tz )
{
Assert( m_pTangentT );
Assert( IsFinite(tx) && IsFinite(ty) && IsFinite(tz) );
#ifndef _XBOX
float* pTangentT = OffsetFloatPointer( m_pTangentT, m_CurrentVertex, m_VertexSize_TangentT );
*pTangentT++ = tx;
*pTangentT++ = ty;
*pTangentT = tz;
#else
unsigned char *pTangentT = m_pTangentT + m_CurrentVertex * m_VertexSize_TangentT;
PackNormal( tx, ty, tz, (unsigned int*)pTangentT );
#endif
}
inline void CMeshBuilder::TangentT3fv( float const* t )
{
Assert( t );
Assert( m_pTangentT );
Assert( IsFinite(t[0]) && IsFinite(t[1]) && IsFinite(t[2]) );
#ifndef _XBOX
float* pTangentT = OffsetFloatPointer( m_pTangentT, m_CurrentVertex, m_VertexSize_TangentT );
*pTangentT++ = *t++;
*pTangentT++ = *t++;
*pTangentT = *t;
#else
unsigned char *pTangentT = m_pTangentT + m_CurrentVertex * m_VertexSize_TangentT;
PackNormal( t[0], t[1], t[2], (unsigned int*)pTangentT );
#endif
}
#ifndef _XBOX
inline void CMeshBuilder::TangentSxT3f( float sxtx, float sxty, float sxtz )
{
Assert( m_pTangentSxT );
Assert( IsFinite(sxtx) && IsFinite(sxty) && IsFinite(sxtz) );
float* pTangentSxT = OffsetFloatPointer( m_pTangentSxT, m_CurrentVertex, m_VertexSize_TangentSxT );
*pTangentSxT++ = sxtx;
*pTangentSxT++ = sxty;
*pTangentSxT = sxtz;
}
#endif
#ifndef _XBOX
inline void CMeshBuilder::TangentSxT3fv( float const* sxt )
{
Assert( sxt );
Assert( m_pTangentSxT );
Assert( IsFinite(sxt[0]) && IsFinite(sxt[1]) && IsFinite(sxt[2]) );
float* pTangentSxT = OffsetFloatPointer( m_pTangentSxT, m_CurrentVertex, m_VertexSize_TangentSxT );
*pTangentSxT++ = *sxt++;
*pTangentSxT++ = *sxt++;
*pTangentSxT = *sxt;
}
#endif
//-----------------------------------------------------------------------------
// Bone weight setting methods
//-----------------------------------------------------------------------------
inline void CMeshBuilder::BoneWeight( int idx, float weight )
{
Assert( m_pBoneWeight );
Assert( IsFinite( weight ) );
Assert( idx >= 0 );
// This test is here because on fixed function, we store n-1
// bone weights, but on vertex shaders, we store all n
if ( idx < m_NumBoneWeights )
{
#ifndef _XBOX
float* pBoneWeight = OffsetFloatPointer( m_pBoneWeight, m_CurrentVertex, m_VertexSize_BoneWeight );
pBoneWeight[idx] = weight;
#else
Assert( weight >= 0 && weight <= 1.0f );
unsigned short* pBoneWeight = (unsigned short*)(m_pBoneWeight + m_CurrentVertex * m_VertexSize_BoneWeight);
pBoneWeight[idx] = Float2Int( weight * 32767.0f );
#endif
}
}
inline void CMeshBuilder::BoneMatrix( int idx, int matrixIdx )
{
Assert( m_pBoneMatrixIndex );
Assert( idx >= 0 );
Assert( idx < 4 );
// garymcthack
if ( matrixIdx == BONE_MATRIX_INDEX_INVALID )
{
matrixIdx = 0;
}
Assert( (matrixIdx >= 0) && (matrixIdx < 53) );
#ifndef NEW_SKINNING
unsigned char* pBoneMatrix = &m_pBoneMatrixIndex[m_CurrentVertex * m_VertexSize_BoneMatrixIndex];
pBoneMatrix[idx] = (unsigned char)matrixIdx;
#else
float* pBoneMatrix = &m_pBoneMatrixIndex[m_CurrentVertex * m_VertexSize_BoneMatrixIndex];
pBoneMatrix[idx] = matrixIdx;
#endif
}
//-----------------------------------------------------------------------------
// Generic per-vertex data setting method
//-----------------------------------------------------------------------------
inline void CMeshBuilder::UserData( float const* pData )
{
Assert( pData );
#ifndef _XBOX
int userDataSize = 4; // garymcthack
float *pUserData = OffsetFloatPointer( m_pUserData, m_CurrentVertex, m_VertexSize_UserData );
memcpy( pUserData, pData, sizeof( float ) * userDataSize );
#else
// pack user data
unsigned char *pUserData = (unsigned char*)(m_pUserData + m_CurrentVertex * m_VertexSize_UserData);
// user data needs to be a valid normal, find source and fix
Assert( pData[0] >= -1.0f && pData[0] <= 1.0f );
Assert( pData[1] >= -1.0f && pData[1] <= 1.0f );
Assert( pData[2] >= -1.0f && pData[2] <= 1.0f );
// scale from [-1..1] to [0..255], fixup in shader
pUserData[0] = FastFToC( pData[0]*0.5f + 0.5f );
pUserData[1] = FastFToC( pData[1]*0.5f + 0.5f );
pUserData[2] = FastFToC( pData[2]*0.5f + 0.5f );
pUserData[3] = pData[3] < 0 ? 0 : 255;
#endif
}
#endif // IVERTEXBUFFER_H
| # | Change | User | Description | Committed | |
|---|---|---|---|---|---|
| #1 | 5821 | Knut Wikstrom |
Added Valve Source code. This is NOT to be commited to other than new code from Valve. |