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Counter Strike : Global Offensive Source Code
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//===== Copyright (c) 1996-2006, Valve Corporation, All rights reserved. ======//
//
// Purpose: particle system code
//
//===========================================================================//
#include "tier0/platform.h"
#include "particles/particles.h"
#include "filesystem.h"
#include "tier2/tier2.h"
#include "tier2/fileutils.h"
#include "tier2/renderutils.h"
#include "tier2/beamsegdraw.h"
#include "tier1/UtlStringMap.h"
#include "tier1/strtools.h"
#include "materialsystem/imesh.h"
#include "materialsystem/itexture.h"
#include "materialsystem/imaterial.h"
#include "materialsystem/imaterialvar.h"
#include "bitmap/psheet.h"
#include "particles_internal.h"
#include "tier0/vprof.h"
#ifdef USE_BLOBULATOR
// TODO: These should be in public by the time the SDK ships
#include "../common/blobulator/implicit/impdefines.h"
#include "../common/blobulator/implicit/imprenderer.h"
#include "../common/blobulator/implicit/imptiler.h"
#include "../common/blobulator/implicit/userfunctions.h"
#include "../common/blobulator/iblob_renderer.h"
#endif
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
// Vertex instancing (1 vert submitted per particle, duplicated to 4 (a quad) on the GPU) is supported only on 360
const bool bUseInstancing = IsX360();
//-----------------------------------------------------------------------------
// Utility method to compute the max # of particles per batch
//-----------------------------------------------------------------------------
static inline int GetMaxParticlesPerBatch( IMatRenderContext *pRenderContext, IMaterial *pMaterial, bool bWithInstancing )
{
int nMaxVertices = pRenderContext->GetMaxVerticesToRender( pMaterial );
int nMaxIndices = pRenderContext->GetMaxIndicesToRender();
if ( bWithInstancing )
return nMaxVertices;
else
return MIN( (nMaxVertices / 4), (nMaxIndices / 6) );
}
void SetupParticleVisibility( CParticleCollection *pParticles, CParticleVisibilityData *pVisibilityData, const CParticleVisibilityInputs *pVisibilityInputs, int *nQueryHandle, IMatRenderContext *pRenderContext )
{
Vector vecOrigin;
float flVisibility = 1.0f;
if ( pVisibilityInputs->m_nCPin >= 0 )
{
vecOrigin = pParticles->GetControlPointAtCurrentTime( pVisibilityInputs->m_nCPin );
// Pixel Visibility
if ( pVisibilityInputs->m_flInputMin != pVisibilityInputs->m_flInputMax )
{
float flScale = pVisibilityInputs->m_flProxyRadius;
flVisibility = g_pParticleSystemMgr->Query()->GetPixelVisibility( nQueryHandle, vecOrigin, flScale );
flVisibility *= RemapValClamped( flScale, pVisibilityInputs->m_flInputMin, pVisibilityInputs->m_flInputMax, 0.0f , 1.0f );
}
// Dot
if ( pVisibilityInputs->m_flDotInputMin != pVisibilityInputs->m_flDotInputMax )
{
CParticleSIMDTransformation pXForm1;
pParticles->GetControlPointTransformAtTime( pVisibilityInputs->m_nCPin, pParticles->m_flCurTime, &pXForm1 );
Vector vecInput1 = pXForm1.m_v4Fwd.Vec( 0 );
Vector vecInput2 = pXForm1.m_v4Origin.Vec( 0 ) - g_pParticleSystemMgr->Query()->GetCurrentViewOrigin();
VectorNormalize( vecInput2 );
float flDotVisibility = DotProduct( vecInput1, vecInput2 );
flVisibility *= RemapValClamped( flDotVisibility, pVisibilityInputs->m_flDotInputMin, pVisibilityInputs->m_flDotInputMax, 0.0f , 1.0f );
}
// Distance
if ( pVisibilityInputs->m_flDistanceInputMin != pVisibilityInputs->m_flDistanceInputMax )
{
Vector vecCameraPos;
if ( pParticles->m_pDef->IsScreenSpaceEffect() )
{
pRenderContext->MatrixMode( MATERIAL_VIEW );
pRenderContext->PopMatrix();
pRenderContext->MatrixMode( MATERIAL_PROJECTION );
pRenderContext->PopMatrix();
pRenderContext->GetWorldSpaceCameraPosition( &vecCameraPos );
pRenderContext->MatrixMode( MATERIAL_VIEW );
pRenderContext->PushMatrix();
pRenderContext->LoadIdentity();
pRenderContext->MatrixMode( MATERIAL_PROJECTION );
pRenderContext->PushMatrix();
pRenderContext->LoadIdentity();
pRenderContext->Ortho( -100, -100, 100, 100, -100, 100 );
}
else
{
pRenderContext->GetWorldSpaceCameraPosition( &vecCameraPos );
}
Vector vecDelta = vecOrigin - vecCameraPos;
float flDistance = vecDelta.Length();
flVisibility *= RemapValClamped( flDistance, pVisibilityInputs->m_flDistanceInputMin, pVisibilityInputs->m_flDistanceInputMax, 0.0f , 1.0f );
}
}
pVisibilityData->m_flAlphaVisibility = Lerp( flVisibility, pVisibilityInputs->m_flAlphaScaleMin, pVisibilityInputs->m_flAlphaScaleMax );
pVisibilityData->m_flRadiusVisibility = Lerp( flVisibility, pVisibilityInputs->m_flRadiusScaleMin, pVisibilityInputs->m_flRadiusScaleMax );
// FOV
if ( pVisibilityInputs->m_flRadiusScaleFOVBase != 0.0f )
{
// m_flRadiusScaleFOVBase represents 'neutral'; scale particles up when FOV is higher and down when FOV is lower,
// so their pixel width onscreen is constant as the camera zooms (though distance to the camera still has an effect)
const float DEGREES_TO_RADIANS = 0.01745329f;
matrix3x4_t projMatrix;
pRenderContext->GetMatrix( MATERIAL_PROJECTION, &projMatrix );
float flMatrixX = projMatrix.m_flMatVal[0][0];
float flNeutralMatrixX = 1.0f / tanf( 0.5f*pVisibilityInputs->m_flRadiusScaleFOVBase*DEGREES_TO_RADIANS );
pVisibilityData->m_flRadiusVisibility *= ( flNeutralMatrixX / flMatrixX );
}
}
//-----------------------------------------------------------------------------
// Cull systems by control point attributes
// Cull if dot( camera.Position - controlpoint.Position, controlpoint.forward ) < 0
//-----------------------------------------------------------------------------
#define CULL_CP_NORMAL_DESCRIPTOR "cull system when CP normal faces away from camera"
#define CULL_RECURSION_DEPTH_DESCRIPTOR "cull system starting at this recursion depth"
struct CullSystemByControlPointData_t
{
int m_nCullControlPoint; // Control point who's position and orientation we use for culling (-1 for no culling)
int m_nViewRecursionDepthStart; // Start culling at this view recursion depth (-1 for no culling)
};
bool ShouldCullParticleSystem( const CullSystemByControlPointData_t *pCullData, CParticleCollection *pParticles, IMatRenderContext *pRenderContext, int nViewResursionDepth )
{
// Not for screenspace effects
if ( pParticles->m_pDef->IsScreenSpaceEffect() )
return false;
// If recursiondepthstart is -1 or m_nCullControlPoint is -1, then culling is disabled
if ( pCullData->m_nCullControlPoint == -1 || pCullData->m_nViewRecursionDepthStart == -1 )
return false;
// Make sure we're at or past the recursion depth start
if ( nViewResursionDepth < pCullData->m_nViewRecursionDepthStart )
return false;
// Otherwise cull when the control point is facing away from the camera
Vector vCameraPos;
pRenderContext->GetWorldSpaceCameraPosition( &vCameraPos );
const Vector &vCullPosition = pParticles->GetControlPointAtCurrentTime( pCullData->m_nCullControlPoint );
Vector vRight;
Vector vUp;
Vector vControlPointForward;
pParticles->GetControlPointOrientationAtCurrentTime( pCullData->m_nCullControlPoint, &vRight, &vUp, &vControlPointForward );
Vector vControlPointToCamera = vCameraPos - vCullPosition;
vControlPointToCamera.NormalizeInPlace();
float flDot = DotProduct( vControlPointToCamera, vControlPointForward );
const float flCosAngleThreshold = -0.10f; // MAGIC NUMBER: cos of ~95 degrees
return ( flDot < flCosAngleThreshold ) ? true : false;
}
static SheetSequenceSample_t s_DefaultSheetSequence =
{
0.0f, 0.0f, 1.0f, 1.0f,
0.0f, 0.0f, 1.0f, 1.0f,
0.0f, 0.0f, 1.0f, 1.0f,
0.0f, 0.0f, 1.0f, 1.0f,
1.0f,
};
class C_OP_RenderPoints : public CParticleRenderOperatorInstance
{
DECLARE_PARTICLE_OPERATOR( C_OP_RenderPoints );
uint32 GetWrittenAttributes( void ) const
{
return 0;
}
uint32 GetReadAttributes( void ) const
{
return PARTICLE_ATTRIBUTE_XYZ_MASK;
}
virtual uint64 GetReadControlPointMask() const
{
uint64 nMask = 0;
if ( VisibilityInputs.m_nCPin >= 0 )
nMask |= 1ULL << VisibilityInputs.m_nCPin;
return nMask;
}
virtual void Render( IMatRenderContext *pRenderContext, CParticleCollection *pParticles, const Vector4D &vecDiffuseModulation, void *pContext, int nViewRecursionDepth ) const;
struct C_OP_RenderPointsContext_t
{
CParticleVisibilityData m_VisibilityData;
int m_nQueryHandle;
};
size_t GetRequiredContextBytes( void ) const
{
return sizeof( C_OP_RenderPointsContext_t );
}
virtual void InitializeContextData( CParticleCollection *pParticles, void *pContext ) const
{
C_OP_RenderPointsContext_t *pCtx = reinterpret_cast<C_OP_RenderPointsContext_t *>( pContext );
pCtx->m_VisibilityData.m_bUseVisibility = false;
pCtx->m_nQueryHandle = 0;
}
};
DEFINE_PARTICLE_OPERATOR( C_OP_RenderPoints, "render_points", OPERATOR_SINGLETON );
BEGIN_PARTICLE_RENDER_OPERATOR_UNPACK( C_OP_RenderPoints )
END_PARTICLE_OPERATOR_UNPACK( C_OP_RenderPoints )
void C_OP_RenderPoints::Render( IMatRenderContext *pRenderContext, CParticleCollection *pParticles, const Vector4D &vecDiffuseModulation, void *pContext, int nViewRecursionDepth ) const
{
C_OP_RenderPointsContext_t *pCtx = reinterpret_cast<C_OP_RenderPointsContext_t *>( pContext );
IMaterial *pMaterial = pParticles->m_pDef->GetMaterial();
int nParticles;
const ParticleRenderData_t *pRenderList =
pParticles->GetRenderList( pRenderContext, true, &nParticles, &pCtx->m_VisibilityData );
size_t xyz_stride;
const fltx4 *xyz = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_XYZ, &xyz_stride );
pRenderContext->Bind( pMaterial );
CMeshBuilder meshBuilder;
int nMaxVertices = pRenderContext->GetMaxVerticesToRender( pMaterial );
while ( nParticles )
{
IMesh* pMesh = pRenderContext->GetDynamicMesh( true );
int nParticlesInBatch = MIN( nMaxVertices, nParticles );
meshBuilder.Begin( pMesh, MATERIAL_POINTS, nParticlesInBatch );
nParticles -= nParticlesInBatch;
for( int i = 0; i < nParticlesInBatch; i++ )
{
int hParticle = (--pRenderList)->m_nIndex;
int nIndex = ( hParticle / 4 ) * xyz_stride;
int nOffset = hParticle & 0x3;
meshBuilder.Position3f( SubFloat( xyz[nIndex], nOffset ), SubFloat( xyz[nIndex+1], nOffset ), SubFloat( xyz[nIndex+2], nOffset ) );
meshBuilder.Color4ub( 255, 255, 255, 255 );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS | VTX_HAVECOLOR, 0>();
}
meshBuilder.End();
pMesh->DrawModulated( vecDiffuseModulation );
}
}
//-----------------------------------------------------------------------------
//
// Sprite Rendering
//
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// Utility struct to help with sprite rendering
//-----------------------------------------------------------------------------
struct SpriteRenderInfo_t
{
size_t m_nXYZStride;
const fltx4 *m_pXYZ;
size_t m_nRotStride;
const fltx4 *m_pRot;
size_t m_nYawStride;
const fltx4 *m_pYaw;
size_t m_nRGBStride;
const fltx4 *m_pRGB;
size_t m_nCreationTimeStride;
const fltx4 *m_pCreationTimeStamp;
size_t m_nSequenceStride;
const fltx4 *m_pSequenceNumber;
size_t m_nSequence1Stride;
const fltx4 *m_pSequence1Number;
float m_flAgeScale;
float m_flAgeScale2;
CSheet *m_pSheet;
int m_nVertexOffset;
CParticleCollection *m_pParticles;
void Init( CParticleCollection *pParticles, int nVertexOffset, float flAgeScale, float flAgeScale2, CSheet *pSheet )
{
m_pParticles = pParticles;
m_pXYZ = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_XYZ, &m_nXYZStride );
m_pRot = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_ROTATION, &m_nRotStride );
m_pYaw = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_YAW, &m_nYawStride );
m_pRGB = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_TINT_RGB, &m_nRGBStride );
m_pCreationTimeStamp = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_CREATION_TIME, &m_nCreationTimeStride );
m_pSequenceNumber = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_SEQUENCE_NUMBER, &m_nSequenceStride );
m_pSequence1Number = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_SEQUENCE_NUMBER1, &m_nSequence1Stride );
m_flAgeScale = flAgeScale;
m_flAgeScale2 = flAgeScale2;
m_pSheet = pSheet;
m_nVertexOffset = nVertexOffset;
}
};
class C_OP_RenderSprites : public C_OP_RenderPoints
{
DECLARE_PARTICLE_OPERATOR( C_OP_RenderSprites );
struct C_OP_RenderSpritesContext_t
{
unsigned int m_nOrientationVarToken;
unsigned int m_nOrientationMatrixVarToken;
CParticleVisibilityData m_VisibilityData;
int m_nQueryHandle;
bool m_bDidPerfWarning;
bool m_bPerParticleGlow;
};
size_t GetRequiredContextBytes( void ) const
{
return sizeof( C_OP_RenderSpritesContext_t );
}
virtual void InitializeContextData( CParticleCollection *pParticles, void *pContext ) const;
virtual uint64 GetReadControlPointMask() const
{
uint64 nMask = 0;
if ( m_nOrientationControlPoint >= 0 )
nMask |= 1ULL << m_nOrientationControlPoint;
if ( VisibilityInputs.m_nCPin >= 0 )
nMask |= 1ULL << VisibilityInputs.m_nCPin;
return nMask;
}
uint32 GetReadAttributes( void ) const
{
return PARTICLE_ATTRIBUTE_XYZ_MASK | PARTICLE_ATTRIBUTE_ROTATION_MASK | PARTICLE_ATTRIBUTE_RADIUS_MASK |
PARTICLE_ATTRIBUTE_TINT_RGB_MASK | PARTICLE_ATTRIBUTE_ALPHA_MASK | PARTICLE_ATTRIBUTE_CREATION_TIME_MASK |
PARTICLE_ATTRIBUTE_SEQUENCE_NUMBER1_MASK |
PARTICLE_ATTRIBUTE_SEQUENCE_NUMBER_MASK | PARTICLE_ATTRIBUTE_LIFE_DURATION_MASK;
}
virtual int GetParticlesToRender( CParticleCollection *pParticles, void *pContext, int nFirstParticle, int nRemainingVertices, int nRemainingIndices, int *pVertsUsed, int *pIndicesUsed ) const;
virtual void Render( IMatRenderContext *pRenderContext, CParticleCollection *pParticles, const Vector4D &vecDiffuseModulation, void *pContext, int nViewRecursionDepth ) const;
virtual void RenderUnsorted( CParticleCollection *pParticles, void *pContext, IMatRenderContext *pRenderContext, CMeshBuilder &meshBuilder, int nVertexOffset, int nFirstParticle, int nParticleCount ) const;
void RenderSpriteCard( CMeshBuilder &meshBuilder, SpriteRenderInfo_t& info, int hParticle, ParticleRenderData_t const *pSortList ) const;
template<bool bPerParticleOutline, bool bDoNormals, class T> void RenderSpriteCardNew( CMeshBuilder &meshBuilder, SpriteRenderInfo_t& info, T const *pSortList ) const;
void RenderTwoSequenceSpriteCardNew( CMeshBuilder &meshBuilder, SpriteRenderInfo_t& info, ParticleFullRenderData_Scalar_View const *pSortList ) const;
void RenderNonSpriteCardCameraFacingOld( CParticleCollection *pParticles, const Vector4D &vecDiffuseModulation, void *pContext, IMatRenderContext *pRenderContext, IMaterial *pMaterial ) const;
void RenderNonSpriteCardCameraFacing( CParticleCollection *pParticles, const Vector4D &vecDiffuseModulation, void *pContext, IMatRenderContext *pRenderContext, IMaterial *pMaterial ) const;
void RenderNonSpriteCardZRotating( CMeshBuilder &meshBuilder, SpriteRenderInfo_t& info, int hParticle, const Vector& vecCameraPos, ParticleRenderData_t const *pSortList ) const;
void RenderNonSpriteCardZRotating( CParticleCollection *pParticles, const Vector4D &vecDiffuseModulation, void *pContext, IMatRenderContext *pRenderContext, IMaterial *pMaterial ) const;
void RenderUnsortedNonSpriteCardZRotating( CParticleCollection *pParticles, void *pContext, IMatRenderContext *pRenderContext, CMeshBuilder &meshBuilder, int nVertexOffset, int nFirstParticle, int nParticleCount ) const;
void RenderUnsortedNonSpriteCardZRotatingOld( CParticleCollection *pParticles, void *pContext, IMatRenderContext *pRenderContext, CMeshBuilder &meshBuilder, int nVertexOffset, int nFirstParticle, int nParticleCount ) const;
void RenderNonSpriteCardOriented( CMeshBuilder &meshBuilder, SpriteRenderInfo_t& info, int hParticle, const Vector& vecCameraPos, ParticleRenderData_t const *pSortList ) const;
void RenderNonSpriteCardOriented( CParticleCollection *pParticles, const Vector4D &vecDiffuseModulation, void *pContext, IMatRenderContext *pRenderContext, IMaterial *pMaterial ) const;
void RenderUnsortedNonSpriteCardOriented( CParticleCollection *pParticles, void *pContext, IMatRenderContext *pRenderContext, CMeshBuilder &meshBuilder, int nVertexOffset, int nFirstParticle, int nParticleCount ) const;
// cycles per second
float m_flAnimationRate;
float m_flAnimationRate2;
bool m_bFitCycleToLifetime;
bool m_bAnimateInFPS;
int m_nOrientationType;
int m_nOrientationControlPoint;
CullSystemByControlPointData_t m_cullData;
};
DEFINE_PARTICLE_OPERATOR( C_OP_RenderSprites, "render_animated_sprites", OPERATOR_GENERIC );
BEGIN_PARTICLE_RENDER_OPERATOR_UNPACK( C_OP_RenderSprites )
DMXELEMENT_UNPACK_FIELD( "animation rate", ".1", float, m_flAnimationRate )
DMXELEMENT_UNPACK_FIELD( "animation_fit_lifetime", "0", bool, m_bFitCycleToLifetime )
DMXELEMENT_UNPACK_FIELD( "orientation_type", "0", int, m_nOrientationType )
DMXELEMENT_UNPACK_FIELD( "orientation control point", "-1", int, m_nOrientationControlPoint )
DMXELEMENT_UNPACK_FIELD( "second sequence animation rate", "0", float, m_flAnimationRate2 )
DMXELEMENT_UNPACK_FIELD( "use animation rate as FPS", "0", bool, m_bAnimateInFPS )
DMXELEMENT_UNPACK_FIELD( CULL_CP_NORMAL_DESCRIPTOR, "-1", int, m_cullData.m_nCullControlPoint )
DMXELEMENT_UNPACK_FIELD( CULL_RECURSION_DEPTH_DESCRIPTOR, "-1", int, m_cullData.m_nViewRecursionDepthStart )
END_PARTICLE_OPERATOR_UNPACK( C_OP_RenderSprites )
void C_OP_RenderSprites::InitializeContextData( CParticleCollection *pParticles, void *pContext ) const
{
C_OP_RenderSpritesContext_t *pCtx = reinterpret_cast<C_OP_RenderSpritesContext_t *>( pContext );
pCtx->m_nOrientationVarToken = 0;
pCtx->m_nOrientationMatrixVarToken = 0;
if ( ( VisibilityInputs.m_nCPin >= 0 ) || ( VisibilityInputs.m_flRadiusScaleFOVBase > 0 ) )
pCtx->m_VisibilityData.m_bUseVisibility = true;
else
pCtx->m_VisibilityData.m_bUseVisibility = false;
pCtx->m_bDidPerfWarning = false;
IMaterial *pMaterial = pParticles->m_pDef->GetMaterial();
IMaterialVar* pVar = pMaterial ? pMaterial->FindVarFast( "$perparticleoutline", &pParticles->m_pDef->m_nPerParticleOutlineMaterialVarToken ) : NULL;
pCtx->m_bPerParticleGlow = ( pVar && ( pVar->GetIntValue() ) );
pCtx->m_nQueryHandle = 0;
}
const SheetSequenceSample_t *GetSampleForSequence( CSheet *pSheet, float flAge, float flAgeScale, int nSequence )
{
if ( pSheet == NULL )
return NULL;
if ( pSheet->m_SheetInfo[nSequence].m_nNumFrames == 1 )
return (const SheetSequenceSample_t *) &pSheet->m_SheetInfo[nSequence].m_pSamples[0];
flAge *= flAgeScale;
unsigned int nFrame = flAge;
if ( pSheet->m_SheetInfo[nSequence].m_SeqFlags & SEQ_FLAG_CLAMP )
{
nFrame = MIN( nFrame, SEQUENCE_SAMPLE_COUNT-1 );
}
else
{
nFrame &= SEQUENCE_SAMPLE_COUNT-1;
}
return (const SheetSequenceSample_t *) &pSheet->m_SheetInfo[nSequence].m_pSamples[nFrame];
}
int C_OP_RenderSprites::GetParticlesToRender( CParticleCollection *pParticles,
void *pContext, int nFirstParticle,
int nRemainingVertices, int nRemainingIndices,
int *pVertsUsed, int *pIndicesUsed ) const
{
int nMaxParticles = ( (nRemainingVertices / 4) > (nRemainingIndices / 6) ) ? nRemainingIndices / 6 : nRemainingVertices / 4;
int nParticleCount = pParticles->m_nActiveParticles - nFirstParticle;
if ( nParticleCount > nMaxParticles )
{
nParticleCount = nMaxParticles;
}
*pVertsUsed = nParticleCount * 4;
*pIndicesUsed = nParticleCount * 6;
return nParticleCount;
}
void C_OP_RenderSprites::RenderNonSpriteCardCameraFacingOld( CParticleCollection *pParticles, const Vector4D &vecDiffuseModulation, void *pContext, IMatRenderContext *pRenderContext, IMaterial *pMaterial ) const
{
C_OP_RenderSpritesContext_t *pCtx = reinterpret_cast<C_OP_RenderSpritesContext_t *>( pContext );
// generate the sort list before this code starts messing with the matrices
int nParticles;
const ParticleRenderData_t *pSortList = pParticles->GetRenderList( pRenderContext, true, &nParticles, &pCtx->m_VisibilityData );
// NOTE: This is interesting to support because at first we won't have all the various
// pixel-shader versions of SpriteCard, like modulate, twotexture, etc. etc.
VMatrix tempView;
// Store matrices off so we can restore them in RenderEnd().
pRenderContext->GetMatrix(MATERIAL_VIEW, &tempView);
// Force the user clip planes to use the old view matrix
pRenderContext->EnableUserClipTransformOverride( true );
pRenderContext->UserClipTransform( tempView );
// The particle renderers want to do things in camera space
pRenderContext->MatrixMode( MATERIAL_VIEW );
pRenderContext->PushMatrix();
pRenderContext->LoadIdentity();
size_t xyz_stride;
const fltx4 *xyz = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_XYZ, &xyz_stride );
size_t rot_stride;
const fltx4 *pRot = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_ROTATION, &rot_stride );
size_t rgb_stride;
const fltx4 *pRGB = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_TINT_RGB, &rgb_stride );
size_t ct_stride;
const fltx4 *pCreationTimeStamp = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_CREATION_TIME, &ct_stride );
size_t seq_stride;
const fltx4 *pSequenceNumber = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_SEQUENCE_NUMBER, &seq_stride );
size_t ld_stride;
const fltx4 *pLifeDuration = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_LIFE_DURATION, &ld_stride );
float flAgeScale;
int nMaxParticlesInBatch = GetMaxParticlesPerBatch( pRenderContext, pMaterial, false );
CSheet *pSheet = pParticles->m_Sheet();
while ( nParticles )
{
int nParticlesInBatch = MIN( nMaxParticlesInBatch, nParticles );
nParticles -= nParticlesInBatch;
IMesh* pMesh = pRenderContext->GetDynamicMesh( true );
CMeshBuilder meshBuilder;
meshBuilder.Begin( pMesh, MATERIAL_QUADS, nParticlesInBatch );
for( int i = 0; i < nParticlesInBatch; i++ )
{
int hParticle = (--pSortList)->m_nIndex;
int nGroup = hParticle / 4;
int nOffset = hParticle & 0x3;
unsigned char ac = pSortList->m_nAlpha;
if ( ac == 0 )
continue;
int nColorIndex = nGroup * rgb_stride;
float r = SubFloat( pRGB[nColorIndex], nOffset );
float g = SubFloat( pRGB[nColorIndex+1], nOffset );
float b = SubFloat( pRGB[nColorIndex+2], nOffset );
Assert( IsFinite(r) && IsFinite(g) && IsFinite(b) );
Assert( (r >= 0.0f) && (g >= 0.0f) && (b >= 0.0f) );
Assert( (r <= 1.0f) && (g <= 1.0f) && (b <= 1.0f) );
unsigned char rc = FastFToC( r );
unsigned char gc = FastFToC( g );
unsigned char bc = FastFToC( b );
float rad = pSortList->m_flRadius;
int nXYZIndex = nGroup * xyz_stride;
Vector vecWorldPos( SubFloat( xyz[ nXYZIndex ], nOffset ), SubFloat( xyz[ nXYZIndex+1 ], nOffset ), SubFloat( xyz[ nXYZIndex+2 ], nOffset ) );
Vector vecViewPos;
Vector3DMultiplyPosition( tempView, vecWorldPos, vecViewPos );
if (!IsFinite(vecViewPos.x))
continue;
float rot = SubFloat( pRot[ nGroup * rot_stride ], nOffset );
float sa, ca;
SinCos( rot, &sa, &ca );
// Find the sample for this frame
const SheetSequenceSample_t *pSample = &s_DefaultSheetSequence;
if ( pSheet )
{
int nSequence = SubFloat( pSequenceNumber[ nGroup * seq_stride ], nOffset );
if ( m_bFitCycleToLifetime )
{
float flLifetime = SubFloat( pLifeDuration[ nGroup * ld_stride ], nOffset );
flAgeScale = ( flLifetime > 0.0f ) ? ( 1.0f / flLifetime ) * SEQUENCE_SAMPLE_COUNT : 0.0f;
}
else
{
flAgeScale = m_flAnimationRate * SEQUENCE_SAMPLE_COUNT;
if ( m_bAnimateInFPS )
{
flAgeScale = flAgeScale / pSheet->m_SheetInfo[nSequence].m_flFrameSpan;
}
}
pSample = GetSampleForSequence( pSheet,
pParticles->m_flCurTime - SubFloat( pCreationTimeStamp[ nGroup * ct_stride ], nOffset ),
flAgeScale,
nSequence );
}
const SequenceSampleTextureCoords_t *pSample0 = &(pSample->m_TextureCoordData[0]);
meshBuilder.Position3f( vecViewPos.x + (-ca + sa) * rad, vecViewPos.y + (-sa - ca) * rad, vecViewPos.z );
meshBuilder.Color4ub( rc, gc, bc, ac );
meshBuilder.TexCoord2f( 0, pSample0->m_fLeft_U0, pSample0->m_fBottom_V0 );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS | VTX_HAVECOLOR, 1>();
meshBuilder.Position3f( vecViewPos.x + (-ca - sa) * rad, vecViewPos.y + (-sa + ca) * rad, vecViewPos.z );
meshBuilder.Color4ub( rc, gc, bc, ac );
meshBuilder.TexCoord2f( 0, pSample0->m_fLeft_U0, pSample0->m_fTop_V0 );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS | VTX_HAVECOLOR, 1>();
meshBuilder.Position3f( vecViewPos.x + (ca - sa) * rad, vecViewPos.y + (sa + ca) * rad, vecViewPos.z );
meshBuilder.Color4ub( rc, gc, bc, ac );
meshBuilder.TexCoord2f( 0, pSample0->m_fRight_U0, pSample0->m_fTop_V0 );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS | VTX_HAVECOLOR, 1>();
meshBuilder.Position3f( vecViewPos.x + (ca + sa) * rad, vecViewPos.y + (sa - ca) * rad, vecViewPos.z );
meshBuilder.Color4ub( rc, gc, bc, ac );
meshBuilder.TexCoord2f( 0, pSample0->m_fRight_U0, pSample0->m_fBottom_V0 );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS | VTX_HAVECOLOR, 1>();
}
meshBuilder.End();
pMesh->DrawModulated( vecDiffuseModulation );
}
pRenderContext->EnableUserClipTransformOverride( false );
pRenderContext->MatrixMode( MATERIAL_VIEW );
pRenderContext->PopMatrix();
}
void C_OP_RenderSprites::RenderNonSpriteCardCameraFacing( CParticleCollection *pParticles, const Vector4D &vecDiffuseModulation, void *pContext, IMatRenderContext *pRenderContext, IMaterial *pMaterial ) const
{
C_OP_RenderSpritesContext_t *pCtx = reinterpret_cast<C_OP_RenderSpritesContext_t *>( pContext );
// generate the sort list before this code starts messing with the matrices
int nParticles;
ParticleFullRenderData_Scalar_View **pSortList = GetExtendedRenderList(
pParticles, pRenderContext, true, &nParticles, &pCtx->m_VisibilityData );
// NOTE: This is interesting to support because at first we won't have all the various
// pixel-shader versions of SpriteCard, like modulate, twotexture, etc. etc.
VMatrix tempView;
// Store matrices off so we can restore them in RenderEnd().
pRenderContext->GetMatrix(MATERIAL_VIEW, &tempView);
// Force the user clip planes to use the old view matrix
pRenderContext->EnableUserClipTransformOverride( true );
pRenderContext->UserClipTransform( tempView );
// The particle renderers want to do things in camera space
pRenderContext->MatrixMode( MATERIAL_VIEW );
pRenderContext->PushMatrix();
pRenderContext->LoadIdentity();
float flAgeScale;
int nMaxParticlesInBatch = GetMaxParticlesPerBatch( pRenderContext, pMaterial, false );
CSheet *pSheet = pParticles->m_Sheet();
while ( nParticles )
{
int nParticlesInBatch = MIN( nMaxParticlesInBatch, nParticles );
nParticles -= nParticlesInBatch;
IMesh* pMesh = pRenderContext->GetDynamicMesh( true );
CMeshBuilder meshBuilder;
meshBuilder.Begin( pMesh, MATERIAL_QUADS, nParticlesInBatch );
for( int i = 0; i < nParticlesInBatch; i++ )
{
ParticleFullRenderData_Scalar_View *pParticle = *(--pSortList);
unsigned char ac = pParticle->m_nAlpha;
if ( ac == 0 )
continue;
unsigned char rc = pParticle->m_nRed;
unsigned char gc = pParticle->m_nGreen;
unsigned char bc = pParticle->m_nBlue;
float rad = pParticle->m_flRadius;
Vector vecWorldPos( pParticle->m_flX, pParticle->m_flY, pParticle->m_flZ );
Vector vecViewPos;
Vector3DMultiplyPosition( tempView, vecWorldPos, vecViewPos );
if (!IsFinite(vecViewPos.x))
continue;
float rot = pParticle->m_flRotation;
float sa, ca;
SinCos( rot, &sa, &ca );
// Find the sample for this frame
const SheetSequenceSample_t *pSample = &s_DefaultSheetSequence;
if ( pSheet )
{
int nSequence = pParticle->m_nSequenceID;
flAgeScale = m_flAnimationRate * SEQUENCE_SAMPLE_COUNT;
if ( m_bAnimateInFPS )
{
flAgeScale = flAgeScale / pSheet->m_SheetInfo[nSequence].m_flFrameSpan;
}
pSample = GetSampleForSequence( pSheet,
pParticle->m_flAnimationTimeValue,
flAgeScale,
nSequence );
}
const SequenceSampleTextureCoords_t *pSample0 = &(pSample->m_TextureCoordData[0]);
meshBuilder.Position3f( vecViewPos.x + (-ca + sa) * rad, vecViewPos.y + (-sa - ca) * rad, vecViewPos.z );
meshBuilder.Color4ub( rc, gc, bc, ac );
meshBuilder.TexCoord2f( 0, pSample0->m_fLeft_U0, pSample0->m_fBottom_V0 );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS | VTX_HAVECOLOR, 1>();
meshBuilder.Position3f( vecViewPos.x + (-ca - sa) * rad, vecViewPos.y + (-sa + ca) * rad, vecViewPos.z );
meshBuilder.Color4ub( rc, gc, bc, ac );
meshBuilder.TexCoord2f( 0, pSample0->m_fLeft_U0, pSample0->m_fTop_V0 );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS | VTX_HAVECOLOR, 1>();
meshBuilder.Position3f( vecViewPos.x + (ca - sa) * rad, vecViewPos.y + (sa + ca) * rad, vecViewPos.z );
meshBuilder.Color4ub( rc, gc, bc, ac );
meshBuilder.TexCoord2f( 0, pSample0->m_fRight_U0, pSample0->m_fTop_V0 );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS | VTX_HAVECOLOR, 1>();
meshBuilder.Position3f( vecViewPos.x + (ca + sa) * rad, vecViewPos.y + (sa - ca) * rad, vecViewPos.z );
meshBuilder.Color4ub( rc, gc, bc, ac );
meshBuilder.TexCoord2f( 0, pSample0->m_fRight_U0, pSample0->m_fBottom_V0 );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS | VTX_HAVECOLOR, 1>();
}
meshBuilder.End();
pMesh->DrawModulated( vecDiffuseModulation );
}
pRenderContext->EnableUserClipTransformOverride( false );
pRenderContext->MatrixMode( MATERIAL_VIEW );
pRenderContext->PopMatrix();
}
void C_OP_RenderSprites::RenderNonSpriteCardZRotating( CMeshBuilder &meshBuilder, SpriteRenderInfo_t& info, int hParticle, const Vector& vecCameraPos, ParticleRenderData_t const *pSortList ) const
{
Assert( hParticle != -1 );
int nGroup = hParticle / 4;
int nOffset = hParticle & 0x3;
unsigned char ac = pSortList->m_nAlpha;
if ( ac == 0 )
return;
int nColorIndex = nGroup * info.m_nRGBStride;
float r = SubFloat( info.m_pRGB[nColorIndex], nOffset );
float g = SubFloat( info.m_pRGB[nColorIndex+1], nOffset );
float b = SubFloat( info.m_pRGB[nColorIndex+2], nOffset );
Assert( IsFinite(r) && IsFinite(g) && IsFinite(b) );
Assert( (r >= 0.0f) && (g >= 0.0f) && (b >= 0.0f) );
Assert( (r <= 1.0f) && (g <= 1.0f) && (b <= 1.0f) );
unsigned char rc = FastFToC( r );
unsigned char gc = FastFToC( g );
unsigned char bc = FastFToC( b );
float rad = pSortList->m_flRadius;
float rot = SubFloat( info.m_pRot[ nGroup * info.m_nRotStride ], nOffset );
float sa, ca;
SinCos( -rot, &sa, &ca );
int nXYZIndex = nGroup * info.m_nXYZStride;
Vector vecWorldPos( SubFloat( info.m_pXYZ[ nXYZIndex ], nOffset ), SubFloat( info.m_pXYZ[ nXYZIndex+1 ], nOffset ), SubFloat( info.m_pXYZ[ nXYZIndex+2 ], nOffset ) );
Vector vecViewToPos;
VectorSubtract( vecWorldPos, vecCameraPos, vecViewToPos );
float flLength = vecViewToPos.Length();
if ( flLength < rad / 2 )
return;
Vector vecUp( 0, 0, 1 );
Vector vecRight;
CrossProduct( vecUp, vecCameraPos, vecRight );
VectorNormalize( vecRight );
// Find the sample for this frame
const SheetSequenceSample_t *pSample = &s_DefaultSheetSequence;
if ( info.m_pSheet )
{
pSample = GetSampleForSequence(
info.m_pSheet,
info.m_pParticles->m_flCurTime - SubFloat( info.m_pCreationTimeStamp[ nGroup * info.m_nCreationTimeStride ], nOffset ),
info.m_flAgeScale,
SubFloat( info.m_pSequenceNumber[ nGroup * info.m_nSequenceStride ], nOffset ) );
}
const SequenceSampleTextureCoords_t *pSample0 = &(pSample->m_TextureCoordData[0]);
vecRight *= rad;
float x, y;
Vector vecCorner;
x = - ca - sa; y = - ca + sa;
VectorMA( vecWorldPos, x, vecRight, vecCorner );
meshBuilder.Position3f( vecCorner.x, vecCorner.y, vecCorner.z + y * rad );
meshBuilder.Color4ub( rc, gc, bc, ac );
meshBuilder.TexCoord2f( 0, pSample0->m_fLeft_U0, pSample0->m_fBottom_V0 );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS | VTX_HAVECOLOR, 1>();
x = - ca + sa; y = + ca + sa;
VectorMA( vecWorldPos, x, vecRight, vecCorner );
meshBuilder.Position3f( vecCorner.x, vecCorner.y, vecCorner.z + y * rad );
meshBuilder.Color4ub( rc, gc, bc, ac );
meshBuilder.TexCoord2f( 0, pSample0->m_fLeft_U0, pSample0->m_fTop_V0 );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS | VTX_HAVECOLOR, 1>();
x = + ca + sa; y = + ca - sa;
VectorMA( vecWorldPos, x, vecRight, vecCorner );
meshBuilder.Position3f( vecCorner.x, vecCorner.y, vecCorner.z + y * rad );
meshBuilder.Color4ub( rc, gc, bc, ac );
meshBuilder.TexCoord2f( 0, pSample0->m_fRight_U0, pSample0->m_fTop_V0 );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS | VTX_HAVECOLOR, 1>();
x = + ca - sa; y = - ca - sa;
VectorMA( vecWorldPos, x, vecRight, vecCorner );
meshBuilder.Position3f( vecCorner.x, vecCorner.y, vecCorner.z + y * rad );
meshBuilder.Color4ub( rc, gc, bc, ac );
meshBuilder.TexCoord2f( 0, pSample0->m_fRight_U0, pSample0->m_fBottom_V0 );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS | VTX_HAVECOLOR, 1>();
meshBuilder.FastQuad( info.m_nVertexOffset );
info.m_nVertexOffset += 4;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void C_OP_RenderSprites::RenderNonSpriteCardZRotating( CParticleCollection *pParticles, const Vector4D &vecDiffuseModulation, void *pContext, IMatRenderContext *pRenderContext, IMaterial *pMaterial ) const
{
C_OP_RenderSpritesContext_t *pCtx = reinterpret_cast<C_OP_RenderSpritesContext_t *>( pContext );
// NOTE: This is interesting to support because at first we won't have all the various
// pixel-shader versions of SpriteCard, like modulate, twotexture, etc. etc.
Vector vecCameraPos;
pRenderContext->GetWorldSpaceCameraPosition( &vecCameraPos );
float flAgeScale = m_flAnimationRate * SEQUENCE_SAMPLE_COUNT;
SpriteRenderInfo_t info;
info.Init( pParticles, 0, flAgeScale, 0, pParticles->m_Sheet() );
int nParticles;
const ParticleRenderData_t *pSortList = pParticles->GetRenderList( pRenderContext, true, &nParticles, &pCtx->m_VisibilityData );
int nMaxParticlesInBatch = GetMaxParticlesPerBatch( pRenderContext, pMaterial, false );
while ( nParticles )
{
int nParticlesInBatch = MIN( nMaxParticlesInBatch, nParticles );
nParticles -= nParticlesInBatch;
IMesh* pMesh = pRenderContext->GetDynamicMesh( true );
CMeshBuilder meshBuilder;
meshBuilder.Begin( pMesh, MATERIAL_TRIANGLES, nParticlesInBatch * 4, nParticlesInBatch * 6 );
info.m_nVertexOffset = 0;
for( int i = 0; i < nParticlesInBatch; i++ )
{
int hParticle = (--pSortList)->m_nIndex;
RenderNonSpriteCardZRotating( meshBuilder, info, hParticle, vecCameraPos, pSortList );
}
meshBuilder.End();
pMesh->DrawModulated( vecDiffuseModulation );
}
}
void C_OP_RenderSprites::RenderUnsortedNonSpriteCardZRotating( CParticleCollection *pParticles, void *pContext, IMatRenderContext *pRenderContext, CMeshBuilder &meshBuilder, int nVertexOffset, int nFirstParticle, int nParticleCount ) const
{
C_OP_RenderSpritesContext_t *pCtx = reinterpret_cast<C_OP_RenderSpritesContext_t *>( pContext );
// NOTE: This is interesting to support because at first we won't have all the various
// pixel-shader versions of SpriteCard, like modulate, twotexture, etc. etc.
Vector vecCameraPos;
pRenderContext->GetWorldSpaceCameraPosition( &vecCameraPos );
float flAgeScale = m_flAnimationRate * SEQUENCE_SAMPLE_COUNT;
SpriteRenderInfo_t info;
info.Init( pParticles, nVertexOffset, flAgeScale, 0, pParticles->m_Sheet() );
int nParticles;
const ParticleRenderData_t *pSortList = pParticles->GetRenderList( pRenderContext, false, &nParticles, &pCtx->m_VisibilityData );
int hParticle = nFirstParticle;
for( int i = 0; i < nParticleCount; i++, hParticle++ )
{
RenderNonSpriteCardZRotating( meshBuilder, info, hParticle, vecCameraPos, pSortList );
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void C_OP_RenderSprites::RenderNonSpriteCardOriented( CMeshBuilder &meshBuilder, SpriteRenderInfo_t& info, int hParticle, const Vector& vecCameraPos, ParticleRenderData_t const *pSortList ) const
{
Assert( hParticle != -1 );
int nGroup = hParticle / 4;
int nOffset = hParticle & 0x3;
unsigned char ac = pSortList->m_nAlpha;
if ( ac == 0 )
return;
int nColorIndex = nGroup * info.m_nRGBStride;
float r = SubFloat( info.m_pRGB[nColorIndex], nOffset );
float g = SubFloat( info.m_pRGB[nColorIndex+1], nOffset );
float b = SubFloat( info.m_pRGB[nColorIndex+2], nOffset );
Assert( IsFinite(r) && IsFinite(g) && IsFinite(b) ); // infinite color = bad
Assert( (r >= 0.0f) && (g >= 0.0f) && (b >= 0.0f) ); // negative color = bad
//Assert( (r <= 1.0f) && (g <= 1.0f) && (b <= 1.0f) );
unsigned char rc = FastFToC( r );
unsigned char gc = FastFToC( g );
unsigned char bc = FastFToC( b );
float rad = pSortList->m_flRadius;
float rot = SubFloat( info.m_pRot[ nGroup * info.m_nRotStride ], nOffset );
float sa, ca;
SinCos( -rot, &sa, &ca );
int nXYZIndex = nGroup * info.m_nXYZStride;
Vector vecWorldPos( SubFloat( info.m_pXYZ[ nXYZIndex ], nOffset ), SubFloat( info.m_pXYZ[ nXYZIndex+1 ], nOffset ), SubFloat( info.m_pXYZ[ nXYZIndex+2 ], nOffset ) );
Vector vecViewToPos;
VectorSubtract( vecWorldPos, vecCameraPos, vecViewToPos );
float flLength = vecViewToPos.Length();
if ( flLength < rad / 2 )
return;
Vector vecNormal, vecRight, vecUp;
if ( m_nOrientationControlPoint < 0 )
{
vecNormal.Init( 0, 0, 1 );
vecRight.Init( 1, 0, 0 );
vecUp.Init( 0, -1, 0 );
}
else
{
info.m_pParticles->GetControlPointOrientationAtCurrentTime(
m_nOrientationControlPoint, &vecRight, &vecUp, &vecNormal );
}
// Find the sample for this frame
const SheetSequenceSample_t *pSample = &s_DefaultSheetSequence;
if ( info.m_pSheet )
{
pSample = GetSampleForSequence(
info.m_pSheet,
info.m_pParticles->m_flCurTime - SubFloat( info.m_pCreationTimeStamp[ nGroup * info.m_nCreationTimeStride ], nOffset ),
info.m_flAgeScale,
SubFloat( info.m_pSequenceNumber[ nGroup * info.m_nSequenceStride ], nOffset ) );
}
const SequenceSampleTextureCoords_t *pSample0 = &(pSample->m_TextureCoordData[0]);
vecRight *= rad;
vecUp *= rad;
float x, y;
Vector vecCorner;
x = + ca - sa; y = - ca - sa;
VectorMA( vecWorldPos, x, vecRight, vecCorner );
VectorMA( vecCorner, y, vecUp, vecCorner );
meshBuilder.Position3f( vecCorner.x, vecCorner.y, vecCorner.z );
meshBuilder.Color4ub( rc, gc, bc, ac );
meshBuilder.TexCoord2f( 0, pSample0->m_fRight_U0, pSample0->m_fBottom_V0 );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS | VTX_HAVECOLOR, 1>();
x = + ca + sa; y = + ca - sa;
VectorMA( vecWorldPos, x, vecRight, vecCorner );
VectorMA( vecCorner, y, vecUp, vecCorner );
meshBuilder.Position3f( vecCorner.x, vecCorner.y, vecCorner.z );
meshBuilder.Color4ub( rc, gc, bc, ac );
meshBuilder.TexCoord2f( 0, pSample0->m_fRight_U0, pSample0->m_fTop_V0 );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS | VTX_HAVECOLOR, 1>();
x = - ca + sa; y = + ca + sa;
VectorMA( vecWorldPos, x, vecRight, vecCorner );
VectorMA( vecCorner, y, vecUp, vecCorner );
meshBuilder.Position3f( vecCorner.x, vecCorner.y, vecCorner.z );
meshBuilder.Color4ub( rc, gc, bc, ac );
meshBuilder.TexCoord2f( 0, pSample0->m_fLeft_U0, pSample0->m_fTop_V0 );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS | VTX_HAVECOLOR, 1>();
x = - ca - sa; y = - ca + sa;
VectorMA( vecWorldPos, x, vecRight, vecCorner );
VectorMA( vecCorner, y, vecUp, vecCorner );
meshBuilder.Position3f( vecCorner.x, vecCorner.y, vecCorner.z );
meshBuilder.Color4ub( rc, gc, bc, ac );
meshBuilder.TexCoord2f( 0, pSample0->m_fLeft_U0, pSample0->m_fBottom_V0 );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS | VTX_HAVECOLOR, 1>();
meshBuilder.FastQuad( info.m_nVertexOffset );
info.m_nVertexOffset += 4;
}
void C_OP_RenderSprites::RenderNonSpriteCardOriented( CParticleCollection *pParticles, const Vector4D &vecDiffuseModulation, void *pContext, IMatRenderContext *pRenderContext, IMaterial *pMaterial ) const
{
C_OP_RenderSpritesContext_t *pCtx = reinterpret_cast<C_OP_RenderSpritesContext_t *>( pContext );
// NOTE: This is interesting to support because at first we won't have all the various
// pixel-shader versions of SpriteCard, like modulate, twotexture, etc. etc.
Vector vecCameraPos;
pRenderContext->GetWorldSpaceCameraPosition( &vecCameraPos );
float flAgeScale = m_flAnimationRate * SEQUENCE_SAMPLE_COUNT;
SpriteRenderInfo_t info;
info.Init( pParticles, 0, flAgeScale, 0, pParticles->m_Sheet() );
int nParticles;
const ParticleRenderData_t *pSortList = pParticles->GetRenderList( pRenderContext, true, &nParticles, &pCtx->m_VisibilityData );
int nMaxParticlesInBatch = GetMaxParticlesPerBatch( pRenderContext, pMaterial, false );
while ( nParticles )
{
int nParticlesInBatch = MIN( nMaxParticlesInBatch, nParticles );
nParticles -= nParticlesInBatch;
IMesh* pMesh = pRenderContext->GetDynamicMesh( true );
CMeshBuilder meshBuilder;
meshBuilder.Begin( pMesh, MATERIAL_TRIANGLES, nParticlesInBatch * 4, nParticlesInBatch * 6 );
info.m_nVertexOffset = 0;
for( int i = 0; i < nParticlesInBatch; i++)
{
int hParticle = (--pSortList)->m_nIndex;
RenderNonSpriteCardOriented( meshBuilder, info, hParticle, vecCameraPos, pSortList );
}
meshBuilder.End();
pMesh->DrawModulated( vecDiffuseModulation );
}
}
void C_OP_RenderSprites::RenderUnsortedNonSpriteCardOriented( CParticleCollection *pParticles, void *pContext, IMatRenderContext *pRenderContext, CMeshBuilder &meshBuilder, int nVertexOffset, int nFirstParticle, int nParticleCount ) const
{
C_OP_RenderSpritesContext_t *pCtx = reinterpret_cast<C_OP_RenderSpritesContext_t *>( pContext );
// NOTE: This is interesting to support because at first we won't have all the various
// pixel-shader versions of SpriteCard, like modulate, twotexture, etc. etc.
Vector vecCameraPos;
pRenderContext->GetWorldSpaceCameraPosition( &vecCameraPos );
float flAgeScale = m_flAnimationRate * SEQUENCE_SAMPLE_COUNT;
SpriteRenderInfo_t info;
info.Init( pParticles, nVertexOffset, flAgeScale, 0, pParticles->m_Sheet() );
int nParticles;
const ParticleRenderData_t *pSortList = pParticles->GetRenderList( pRenderContext, false, &nParticles, &pCtx->m_VisibilityData );
int hParticle = nFirstParticle;
for( int i = 0; i < nParticleCount; i++, hParticle++ )
{
RenderNonSpriteCardOriented( meshBuilder, info, hParticle, vecCameraPos, pSortList );
}
}
template<bool bPerParticleOutline, bool bDoNormals, class T> void C_OP_RenderSprites::RenderSpriteCardNew( CMeshBuilder &meshBuilder, SpriteRenderInfo_t& info, T const *pSortList ) const
{
unsigned char ac = pSortList->m_nAlpha;
if (! ac )
return;
unsigned char rc = pSortList->m_nRed;
unsigned char gc = pSortList->m_nGreen;
unsigned char bc = pSortList->m_nBlue;
float rad = pSortList->m_flRadius;
float rot = pSortList->m_flRotation;
float yaw = pSortList->m_flYaw;
float x = pSortList->m_flX;
float y = pSortList->m_flY;
float z = pSortList->m_flZ;
// Find the sample for this frame
const SheetSequenceSample_t *pSample = &s_DefaultSheetSequence;
if ( info.m_pSheet )
{
float flAgeScale = info.m_flAgeScale;
int nSequence = pSortList->m_nSequenceID;
if ( m_bAnimateInFPS )
{
flAgeScale = flAgeScale / info.m_pParticles->m_Sheet()->m_SheetInfo[nSequence].m_flFrameSpan;
}
pSample = GetSampleForSequence( info.m_pSheet,
pSortList->m_flAnimationTimeValue,
flAgeScale,
nSequence );
}
const SequenceSampleTextureCoords_t *pSample0 = &(pSample->m_TextureCoordData[0]);
const SequenceSampleTextureCoords_t *pSecondTexture0 = &(pSample->m_TextureCoordData[1]);
static float s_flCornerIds[] = { 0,0, 1,0, 1,1, 0,1 };
float const *pIds = s_flCornerIds;
for( int i = 0; i < ( bUseInstancing ? 1 : 4 ); i++ )
{
meshBuilder.Position3f( x, y, z );
meshBuilder.Color4ub( rc, gc, bc, ac );
meshBuilder.TexCoord4f( 0, pSample0->m_fLeft_U0, pSample0->m_fTop_V0, pSample0->m_fRight_U0, pSample0->m_fBottom_V0 );
meshBuilder.TexCoord4f( 1, pSample0->m_fLeft_U1, pSample0->m_fTop_V1, pSample0->m_fRight_U1, pSample0->m_fBottom_V1 );
meshBuilder.TexCoord4f( 2, pSample->m_fBlendFactor, rot, rad, yaw );
if ( ! bUseInstancing )
{
meshBuilder.TexCoord2fv( 3, pIds );
pIds += 2;
}
meshBuilder.TexCoord4f( 4, pSecondTexture0->m_fLeft_U0, pSecondTexture0->m_fTop_V0, pSecondTexture0->m_fRight_U0, pSecondTexture0->m_fBottom_V0 );
if ( bDoNormals )
{
meshBuilder.TexCoord3f( 5, pSortList->NormalX(), pSortList->NormalY(), pSortList->NormalZ() );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS | VTX_HAVECOLOR, 6>();
}
else
{
if ( bPerParticleOutline )
{
meshBuilder.TexCoord4f( 5, pSortList->Red2(), pSortList->Green2(), pSortList->Blue2(), pSortList->Alpha2() );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS | VTX_HAVECOLOR, 6>();
}
else
{
meshBuilder.AdvanceVertexF<VTX_HAVEPOS | VTX_HAVECOLOR, 5>();
}
}
}
if ( ! bUseInstancing )
{
meshBuilder.FastQuad( info.m_nVertexOffset );
info.m_nVertexOffset += 4;
}
}
void C_OP_RenderSprites::RenderSpriteCard( CMeshBuilder &meshBuilder, SpriteRenderInfo_t& info, int hParticle, ParticleRenderData_t const *pSortList ) const
{
Assert( hParticle != -1 );
unsigned char ac = pSortList->m_nAlpha;
if (! ac )
return;
int nGroup = hParticle / 4;
int nOffset = hParticle & 0x3;
int nColorIndex = nGroup * info.m_nRGBStride;
float r = SubFloat( info.m_pRGB[nColorIndex], nOffset );
float g = SubFloat( info.m_pRGB[nColorIndex+1], nOffset );
float b = SubFloat( info.m_pRGB[nColorIndex+2], nOffset );
Assert( IsFinite(r) && IsFinite(g) && IsFinite(b) );
Assert( (r >= 0.0f) && (g >= 0.0f) && (b >= 0.0f) );
Assert( (r <= 1.0f) && (g <= 1.0f) && (b <= 1.0f) );
unsigned char rc = FastFToC( r );
unsigned char gc = FastFToC( g );
unsigned char bc = FastFToC( b );
float rad = pSortList->m_flRadius;
float rot = SubFloat( info.m_pRot[ nGroup * info.m_nRotStride ], nOffset );
float yaw = SubFloat( info.m_pYaw[ nGroup * info.m_nYawStride ], nOffset );
int nXYZIndex = nGroup * info.m_nXYZStride;
float x = SubFloat( info.m_pXYZ[ nXYZIndex ], nOffset );
float y = SubFloat( info.m_pXYZ[ nXYZIndex+1 ], nOffset );
float z = SubFloat( info.m_pXYZ[ nXYZIndex+2 ], nOffset );
// Find the sample for this frame
const SheetSequenceSample_t *pSample = &s_DefaultSheetSequence;
if ( info.m_pSheet )
{
float flAgeScale = info.m_flAgeScale;
// if ( m_bFitCycleToLifetime )
// {
// float flLifetime = SubFloat( pLifeDuration[ nGroup * ld_stride ], nOffset );
// flAgeScale = ( flLifetime > 0.0f ) ? ( 1.0f / flLifetime ) * SEQUENCE_SAMPLE_COUNT : 0.0f;
// }
int nSequence = SubFloat( info.m_pSequenceNumber[ nGroup * info.m_nSequenceStride ], nOffset );
if ( m_bAnimateInFPS )
{
flAgeScale = flAgeScale / info.m_pParticles->m_Sheet()->m_SheetInfo[nSequence].m_flFrameSpan;
}
pSample = GetSampleForSequence( info.m_pSheet,
info.m_pParticles->m_flCurTime - SubFloat( info.m_pCreationTimeStamp[ nGroup * info.m_nCreationTimeStride ], nOffset ),
flAgeScale,
nSequence );
}
const SequenceSampleTextureCoords_t *pSample0 = &(pSample->m_TextureCoordData[0]);
const SequenceSampleTextureCoords_t *pSecondTexture0 = &(pSample->m_TextureCoordData[1]);
// Submit 1 (instanced) or 4 (non-instanced) verts (if we're instancing, we don't produce indices either)
meshBuilder.Position3f( x, y, z );
meshBuilder.Color4ub( rc, gc, bc, ac );
meshBuilder.TexCoord4f( 0, pSample0->m_fLeft_U0, pSample0->m_fTop_V0, pSample0->m_fRight_U0, pSample0->m_fBottom_V0 );
meshBuilder.TexCoord4f( 1, pSample0->m_fLeft_U1, pSample0->m_fTop_V1, pSample0->m_fRight_U1, pSample0->m_fBottom_V1 );
meshBuilder.TexCoord4f( 2, pSample->m_fBlendFactor, rot, rad, yaw );
// FIXME: change the vertex decl (remove texcoord3/cornerid) if instancing - need to adjust elements beyond texcoord3 down, though
if ( !bUseInstancing )
meshBuilder.TexCoord2f( 3, 0, 0 );
meshBuilder.TexCoord4f( 4, pSecondTexture0->m_fLeft_U0, pSecondTexture0->m_fTop_V0, pSecondTexture0->m_fRight_U0, pSecondTexture0->m_fBottom_V0 );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS | VTX_HAVECOLOR, 5>();
if ( !bUseInstancing )
{
meshBuilder.Position3f( x, y, z );
meshBuilder.Color4ub( rc, gc, bc, ac );
meshBuilder.TexCoord4f( 0, pSample0->m_fLeft_U0, pSample0->m_fTop_V0, pSample0->m_fRight_U0, pSample0->m_fBottom_V0 );
meshBuilder.TexCoord4f( 1, pSample0->m_fLeft_U1, pSample0->m_fTop_V1, pSample0->m_fRight_U1, pSample0->m_fBottom_V1 );
meshBuilder.TexCoord4f( 2, pSample->m_fBlendFactor, rot, rad, yaw );
meshBuilder.TexCoord2f( 3, 1, 0 );
meshBuilder.TexCoord4f( 4, pSecondTexture0->m_fLeft_U0, pSecondTexture0->m_fTop_V0, pSecondTexture0->m_fRight_U0, pSecondTexture0->m_fBottom_V0 );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS | VTX_HAVECOLOR, 5>();
meshBuilder.Position3f( x, y, z );
meshBuilder.Color4ub( rc, gc, bc, ac );
meshBuilder.TexCoord4f( 0, pSample0->m_fLeft_U0, pSample0->m_fTop_V0, pSample0->m_fRight_U0, pSample0->m_fBottom_V0 );
meshBuilder.TexCoord4f( 1, pSample0->m_fLeft_U1, pSample0->m_fTop_V1, pSample0->m_fRight_U1, pSample0->m_fBottom_V1 );
meshBuilder.TexCoord4f( 2, pSample->m_fBlendFactor, rot, rad, yaw );
meshBuilder.TexCoord2f( 3, 1, 1 );
meshBuilder.TexCoord4f( 4, pSecondTexture0->m_fLeft_U0, pSecondTexture0->m_fTop_V0, pSecondTexture0->m_fRight_U0, pSecondTexture0->m_fBottom_V0 );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS | VTX_HAVECOLOR, 5>();
meshBuilder.Position3f( x, y, z );
meshBuilder.Color4ub( rc, gc, bc, ac );
meshBuilder.TexCoord4f( 0, pSample0->m_fLeft_U0, pSample0->m_fTop_V0, pSample0->m_fRight_U0, pSample0->m_fBottom_V0 );
meshBuilder.TexCoord4f( 1, pSample0->m_fLeft_U1, pSample0->m_fTop_V1, pSample0->m_fRight_U1, pSample0->m_fBottom_V1 );
meshBuilder.TexCoord4f( 2, pSample->m_fBlendFactor, rot, rad, yaw );
meshBuilder.TexCoord2f( 3, 0, 1 );
meshBuilder.TexCoord4f( 4, pSecondTexture0->m_fLeft_U0, pSecondTexture0->m_fTop_V0, pSecondTexture0->m_fRight_U0, pSecondTexture0->m_fBottom_V0 );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS | VTX_HAVECOLOR, 5>();
meshBuilder.FastQuad( info.m_nVertexOffset );
info.m_nVertexOffset += 4;
}
}
void C_OP_RenderSprites::RenderTwoSequenceSpriteCardNew( CMeshBuilder &meshBuilder, SpriteRenderInfo_t& info, ParticleFullRenderData_Scalar_View const *pSortList ) const
{
unsigned char rc = pSortList->m_nRed;
unsigned char gc = pSortList->m_nGreen;
unsigned char bc = pSortList->m_nBlue;
unsigned char ac = pSortList->m_nAlpha;
if ( ac == 0 )
return;
float rad = pSortList->m_flRadius;
float rot = pSortList->m_flRotation;
float yaw = pSortList->m_flYaw;
float x = pSortList->m_flX;
float y = pSortList->m_flY;
float z = pSortList->m_flZ;
// Find the sample for this frame
const SheetSequenceSample_t *pSample = &s_DefaultSheetSequence;
const SheetSequenceSample_t *pSample1 = &s_DefaultSheetSequence;
if ( info.m_pSheet )
{
float flAgeScale = info.m_flAgeScale;
float flAgeScale2 = info.m_flAgeScale2;
float flAge = pSortList->m_flAnimationTimeValue;
if ( m_bAnimateInFPS )
{
flAgeScale = flAgeScale / info.m_pParticles->m_Sheet()->m_SheetInfo[pSortList->m_nSequenceID].m_flFrameSpan;
flAgeScale2 = flAgeScale2 / info.m_pParticles->m_Sheet()->m_SheetInfo[pSortList->m_nSequenceID1].m_flFrameSpan;;
}
pSample = GetSampleForSequence(
info.m_pSheet,
flAge,
flAgeScale,
pSortList->m_nSequenceID );
pSample1 = GetSampleForSequence(
info.m_pSheet,
flAge,
flAgeScale2,
pSortList->m_nSequenceID1 );
}
const SequenceSampleTextureCoords_t *pSample0 = &(pSample->m_TextureCoordData[0]);
const SequenceSampleTextureCoords_t *pSecondTexture0 = &(pSample->m_TextureCoordData[1]);
const SequenceSampleTextureCoords_t *pSample1Frame = &(pSample1->m_TextureCoordData[0]);
// Submit 1 (instanced) or 4 (non-instanced) verts (if we're instancing, we don't produce indices either)
meshBuilder.Position3f( x, y, z );
meshBuilder.Color4ub( rc, gc, bc, ac );
meshBuilder.TexCoord4f( 0, pSample0->m_fLeft_U0, pSample0->m_fTop_V0, pSample0->m_fRight_U0, pSample0->m_fBottom_V0 );
meshBuilder.TexCoord4f( 1, pSample0->m_fLeft_U1, pSample0->m_fTop_V1, pSample0->m_fRight_U1, pSample0->m_fBottom_V1 );
meshBuilder.TexCoord4f( 2, pSample->m_fBlendFactor, rot, rad, yaw );
// FIXME: change the vertex decl (remove texcoord3/cornerid) if instancing - need to adjust elements beyond texcoord3 down, though
if ( ! bUseInstancing )
meshBuilder.TexCoord2f( 3, 0, 0 );
meshBuilder.TexCoord4f( 4, pSecondTexture0->m_fLeft_U0, pSecondTexture0->m_fTop_V0, pSecondTexture0->m_fRight_U0, pSecondTexture0->m_fBottom_V0 );
meshBuilder.TexCoord4f( 5, pSample1Frame->m_fLeft_U0, pSample1Frame->m_fTop_V0, pSample1Frame->m_fRight_U0, pSample1Frame->m_fBottom_V0 );
meshBuilder.TexCoord4f( 6, pSample1Frame->m_fLeft_U1, pSample1Frame->m_fTop_V1, pSample1Frame->m_fRight_U1, pSample1Frame->m_fBottom_V1 );
meshBuilder.TexCoord4f( 7, pSample1->m_fBlendFactor, 0, 0, 0 );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS | VTX_HAVECOLOR, 8>();
if ( !bUseInstancing )
{
meshBuilder.Position3f( x, y, z );
meshBuilder.Color4ub( rc, gc, bc, ac );
meshBuilder.TexCoord4f( 0, pSample0->m_fLeft_U0, pSample0->m_fTop_V0, pSample0->m_fRight_U0, pSample0->m_fBottom_V0 );
meshBuilder.TexCoord4f( 1, pSample0->m_fLeft_U1, pSample0->m_fTop_V1, pSample0->m_fRight_U1, pSample0->m_fBottom_V1 );
meshBuilder.TexCoord4f( 2, pSample->m_fBlendFactor, rot, rad, yaw );
meshBuilder.TexCoord2f( 3, 1, 0 );
meshBuilder.TexCoord4f( 4, pSecondTexture0->m_fLeft_U0, pSecondTexture0->m_fTop_V0, pSecondTexture0->m_fRight_U0, pSecondTexture0->m_fBottom_V0 );
meshBuilder.TexCoord4f( 5, pSample1Frame->m_fLeft_U0, pSample1Frame->m_fTop_V0, pSample1Frame->m_fRight_U0, pSample1Frame->m_fBottom_V0 );
meshBuilder.TexCoord4f( 6, pSample1Frame->m_fLeft_U1, pSample1Frame->m_fTop_V1, pSample1Frame->m_fRight_U1, pSample1Frame->m_fBottom_V1 );
meshBuilder.TexCoord4f( 7, pSample1->m_fBlendFactor, 0, 0, 0 );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS | VTX_HAVECOLOR, 8>();
meshBuilder.Position3f( x, y, z );
meshBuilder.Color4ub( rc, gc, bc, ac );
meshBuilder.TexCoord4f( 0, pSample0->m_fLeft_U0, pSample0->m_fTop_V0, pSample0->m_fRight_U0, pSample0->m_fBottom_V0 );
meshBuilder.TexCoord4f( 1, pSample0->m_fLeft_U1, pSample0->m_fTop_V1, pSample0->m_fRight_U1, pSample0->m_fBottom_V1 );
meshBuilder.TexCoord4f( 2, pSample->m_fBlendFactor, rot, rad, yaw );
meshBuilder.TexCoord2f( 3, 1, 1 );
meshBuilder.TexCoord4f( 4, pSecondTexture0->m_fLeft_U0, pSecondTexture0->m_fTop_V0, pSecondTexture0->m_fRight_U0, pSecondTexture0->m_fBottom_V0 );
meshBuilder.TexCoord4f( 5, pSample1Frame->m_fLeft_U0, pSample1Frame->m_fTop_V0, pSample1Frame->m_fRight_U0, pSample1Frame->m_fBottom_V0 );
meshBuilder.TexCoord4f( 6, pSample1Frame->m_fLeft_U1, pSample1Frame->m_fTop_V1, pSample1Frame->m_fRight_U1, pSample1Frame->m_fBottom_V1 );
meshBuilder.TexCoord4f( 7, pSample1->m_fBlendFactor, 0, 0, 0 );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS | VTX_HAVECOLOR, 8>();
meshBuilder.Position3f( x, y, z );
meshBuilder.Color4ub( rc, gc, bc, ac );
meshBuilder.TexCoord4f( 0, pSample0->m_fLeft_U0, pSample0->m_fTop_V0, pSample0->m_fRight_U0, pSample0->m_fBottom_V0 );
meshBuilder.TexCoord4f( 1, pSample0->m_fLeft_U1, pSample0->m_fTop_V1, pSample0->m_fRight_U1, pSample0->m_fBottom_V1 );
meshBuilder.TexCoord4f( 2, pSample->m_fBlendFactor, rot, rad, yaw );
meshBuilder.TexCoord2f( 3, 0, 1 );
meshBuilder.TexCoord4f( 4, pSecondTexture0->m_fLeft_U0, pSecondTexture0->m_fTop_V0, pSecondTexture0->m_fRight_U0, pSecondTexture0->m_fBottom_V0 );
meshBuilder.TexCoord4f( 5, pSample1Frame->m_fLeft_U0, pSample1Frame->m_fTop_V0, pSample1Frame->m_fRight_U0, pSample1Frame->m_fBottom_V0 );
meshBuilder.TexCoord4f( 6, pSample1Frame->m_fLeft_U1, pSample1Frame->m_fTop_V1, pSample1Frame->m_fRight_U1, pSample1Frame->m_fBottom_V1 );
meshBuilder.TexCoord4f( 7, pSample1->m_fBlendFactor, 0, 0, 0 );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS | VTX_HAVECOLOR, 8>();
meshBuilder.FastQuad( info.m_nVertexOffset );
info.m_nVertexOffset += 4;
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void C_OP_RenderSprites::Render( IMatRenderContext *pRenderContext, CParticleCollection *pParticles, const Vector4D &vecDiffuseModulation, void *pContext, int nViewRecursionDepth ) const
{
// See if we need to cull this system
if ( ShouldCullParticleSystem( &m_cullData, pParticles, pRenderContext, nViewRecursionDepth ) )
return;
IMaterial *pMaterial = pParticles->m_pDef->GetMaterial();
C_OP_RenderSpritesContext_t *pCtx = reinterpret_cast<C_OP_RenderSpritesContext_t *>( pContext );
Vector vecOrigin = vec3_origin;
if ( pCtx->m_VisibilityData.m_bUseVisibility )
{
SetupParticleVisibility( pParticles, &pCtx->m_VisibilityData, &VisibilityInputs, &pCtx->m_nQueryHandle, pRenderContext );
}
IMaterialVar* pVar = pMaterial->FindVarFast( "$orientation", &pCtx->m_nOrientationVarToken );
if ( pVar )
{
pVar->SetIntValue( MAX( 0, MIN( m_nOrientationType, MAX_PARTICLE_ORIENTATION_TYPES ) ) );
}
pRenderContext->Bind( pMaterial );
if ( !pMaterial->IsSpriteCard() )
{
if ( !pCtx->m_bDidPerfWarning )
{
pCtx->m_bDidPerfWarning = true;
// DevWarning( "** PERF WARNING! The particle system %s is using a non-spritecard based material.\n",
// pParticles->m_pDef->GetName() );
}
switch( m_nOrientationType )
{
case 0:
if ( (! m_bFitCycleToLifetime ) )
RenderNonSpriteCardCameraFacing( pParticles, vecDiffuseModulation, pContext, pRenderContext, pMaterial );
else
RenderNonSpriteCardCameraFacingOld( pParticles, vecDiffuseModulation, pContext, pRenderContext, pMaterial );
break;
case 1:
RenderNonSpriteCardZRotating( pParticles, vecDiffuseModulation, pContext, pRenderContext, pMaterial );
break;
case 2:
RenderNonSpriteCardOriented( pParticles, vecDiffuseModulation, pContext, pRenderContext, pMaterial );
break;
}
return;
}
if ( m_nOrientationType == 2 )
{
IMaterialVar* pVar = pMaterial->FindVarFast( "$orientationMatrix", &pCtx->m_nOrientationMatrixVarToken );
if ( pVar )
{
VMatrix mat;
if ( m_nOrientationControlPoint < 0 )
{
MatrixSetIdentity( mat );
}
else
{
pParticles->GetControlPointTransformAtCurrentTime( m_nOrientationControlPoint, &mat );
}
pVar->SetMatrixValue( mat );
}
}
float flAgeScale = m_flAnimationRate * SEQUENCE_SAMPLE_COUNT;
float flAgeScale2 = m_flAnimationRate2 * SEQUENCE_SAMPLE_COUNT;
SpriteRenderInfo_t info;
info.Init( pParticles, 0, flAgeScale, flAgeScale2, pParticles->m_Sheet() );
MaterialPrimitiveType_t primType = bUseInstancing ? MATERIAL_INSTANCED_QUADS : MATERIAL_TRIANGLES;
int nMaxParticlesInBatch = GetMaxParticlesPerBatch( pRenderContext, pMaterial, bUseInstancing );
// Reset the particle cache if we're sprite card material, it isn't sorted, and it doesn't use queries
bool bShouldSort = pParticles->m_pDef->m_bShouldSort;
CCachedParticleBatches *pCachedBatches = NULL;
MaterialThreadMode_t nThreadMode = g_pMaterialSystem->GetThreadMode();
if ( nThreadMode != MATERIAL_SINGLE_THREADED && !bShouldSort && !pCtx->m_VisibilityData.m_bUseVisibility )
{
pParticles->ResetParticleCache();
pCachedBatches = pParticles->GetCachedParticleBatches();
}
int nBatchCount = 0;
if ( pCtx->m_bPerParticleGlow )
{
int nParticles;
ParticleRenderDataWithOutlineInformation_Scalar_View **pSortList = GetExtendedRenderListWithPerParticleGlow(
pParticles, pRenderContext, true, &nParticles, &pCtx->m_VisibilityData );
while ( nParticles )
{
int nParticlesInBatch = MIN( nMaxParticlesInBatch, nParticles );
nParticles -= nParticlesInBatch;
int vertexCount = bUseInstancing ? nParticlesInBatch : nParticlesInBatch * 4;
int indexCount = bUseInstancing ? 0 : nParticlesInBatch * 6;
IMesh* pMesh = pRenderContext->GetDynamicMesh( true );
// See if we have a cached batch
ICachedPerFrameMeshData *pCachedBatch = pCachedBatches ? pCachedBatches->GetCachedBatch( nBatchCount ) : NULL;
if ( pCachedBatch )
{
// This copies all of the VB/IB pointers and data out of the pCachedBatch back into the pMesh
pMesh->ReconstructFromCachedPerFrameMeshData( pCachedBatch );
pSortList -= nParticlesInBatch;
}
else
{
CMeshBuilder meshBuilder;
if ( bUseInstancing )
{
meshBuilder.Begin( pMesh, primType, vertexCount );
}
else
{
meshBuilder.Begin( pMesh, primType, vertexCount, indexCount );
}
info.m_nVertexOffset = 0;
for( int i = 0; i < nParticlesInBatch; i++ )
{
ParticleRenderDataWithOutlineInformation_Scalar_View *pParticle = *(--pSortList);
RenderSpriteCardNew<true, false>( meshBuilder, info, pParticle );
}
meshBuilder.End();
// If we have a list of cached batches, cache them off so that if we try to render this sytem again for the current frame,
// we have a cached all of the vb and ib pointers.
if ( pCachedBatches )
{
pCachedBatch = pMesh->GetCachedPerFrameMeshData();
pCachedBatches->SetCachedBatch( nBatchCount, pCachedBatch );
}
}
Vector vMins, vMaxs;
pParticles->GetBounds( &vMins, &vMaxs );
VMatrix MinMaxParms( vMins.x, vMins.y, vMins.z, 0.0f,
vMaxs.x, vMaxs.y, vMaxs.z, 0.0f,
0.0f, 0.0f, 0.0f, 0.0f,
0.0f, 0.0f, 0.0f, 0.0f );
pRenderContext->MatrixMode( MATERIAL_MATRIX_UNUSED0 );
pRenderContext->LoadMatrix( MinMaxParms );
nBatchCount++;
pMesh->DrawModulated( vecDiffuseModulation );
}
}
else
{
int nParticles;
ParticleFullRenderData_Scalar_View **pSortList = NULL;
ParticleRenderDataWithNormal_Scalar_View **pSortListWithNormal = NULL;
if ( m_nOrientationType == 3 )
{
pSortListWithNormal = GetExtendedRenderListWithNormals(
pParticles, pRenderContext, true, &nParticles, &pCtx->m_VisibilityData );
}
else
{
pSortList = GetExtendedRenderList(
pParticles, pRenderContext, true, &nParticles, &pCtx->m_VisibilityData );
}
while ( nParticles )
{
int nParticlesInBatch = MIN( nMaxParticlesInBatch, nParticles );
nParticles -= nParticlesInBatch;
int vertexCount = bUseInstancing ? nParticlesInBatch : nParticlesInBatch * 4;
int indexCount = bUseInstancing ? 0 : nParticlesInBatch * 6;
IMesh* pMesh = pRenderContext->GetDynamicMesh( true );
Vector vMins, vMaxs;
pParticles->GetBounds( &vMins, &vMaxs );
// See if we have a cached batch
ICachedPerFrameMeshData *pCachedBatch = pCachedBatches ? pCachedBatches->GetCachedBatch( nBatchCount ) : NULL;
if ( pCachedBatch )
{
// This copies all of the VB/IB pointers and data out of the pCachedBatch back into the pMesh
pMesh->ReconstructFromCachedPerFrameMeshData( pCachedBatch );
pSortList -= nParticlesInBatch;
}
else
{
CMeshBuilder meshBuilder;
if ( bUseInstancing )
{
meshBuilder.Begin( pMesh, primType, vertexCount );
}
else
{
meshBuilder.Begin( pMesh, primType, vertexCount, indexCount );
}
info.m_nVertexOffset = 0;
if ( pSortListWithNormal ) // align to particle normal
{
for( int i = 0; i < nParticlesInBatch; i++ )
{
ParticleRenderDataWithNormal_Scalar_View *pParticle = *( --pSortListWithNormal );
RenderSpriteCardNew<false, true>( meshBuilder, info, pParticle );
}
}
else
{
if ( meshBuilder.TextureCoordinateSize( 5 ) ) // second sequence? per particle outline?
{
for( int i = 0; i < nParticlesInBatch; i++ )
{
ParticleFullRenderData_Scalar_View *pParticle = *(--pSortList);
RenderTwoSequenceSpriteCardNew( meshBuilder, info, pParticle );
}
}
else
{
for( int i = 0; i < nParticlesInBatch; i++ )
{
ParticleFullRenderData_Scalar_View *pParticle = *(--pSortList);
RenderSpriteCardNew<false, false>( meshBuilder, info, pParticle );
}
}
}
meshBuilder.End();
// If we have a list of cached batches, cache them off so that if we try to render this sytem again for the current frame,
// we have a cached all of the vb and ib pointers.
if ( pCachedBatches )
{
pCachedBatch = pMesh->GetCachedPerFrameMeshData();
pCachedBatches->SetCachedBatch( nBatchCount, pCachedBatch );
}
}
VMatrix MinMaxParms( vMins.x, vMins.y, vMins.z, 0.0f,
vMaxs.x, vMaxs.y, vMaxs.z, 0.0f,
0.0f, 0.0f, 0.0f, 0.0f,
0.0f, 0.0f, 0.0f, 0.0f );
pRenderContext->MatrixMode( MATERIAL_MATRIX_UNUSED0 );
pRenderContext->LoadMatrix( MinMaxParms );
nBatchCount++;
pMesh->DrawModulated( vecDiffuseModulation );
}
}
}
void C_OP_RenderSprites::RenderUnsorted( CParticleCollection *pParticles, void *pContext, IMatRenderContext *pRenderContext, CMeshBuilder &meshBuilder, int nVertexOffset, int nFirstParticle, int nParticleCount ) const
{
if ( !pParticles->m_pDef->GetMaterial()->IsSpriteCard() )
{
switch( m_nOrientationType )
{
case 0:
// FIXME: Implement! Requires removing MATERIAL_VIEW modification from sorted version
Warning( "C_OP_RenderSprites::RenderUnsorted: Attempting to use an unimplemented sprite renderer for system \"%s\"!\n",
pParticles->m_pDef->GetName() );
// RenderUnsortedNonSpriteCardCameraFacing( pParticles, pContext, pRenderContext, meshBuilder, nVertexOffset, nFirstParticle, nParticleCount );
break;
case 1:
RenderUnsortedNonSpriteCardZRotating( pParticles, pContext, pRenderContext, meshBuilder, nVertexOffset, nFirstParticle, nParticleCount );
break;
case 2:
RenderUnsortedNonSpriteCardOriented( pParticles, pContext, pRenderContext, meshBuilder, nVertexOffset, nFirstParticle, nParticleCount );
break;
}
return;
}
C_OP_RenderSpritesContext_t *pCtx = reinterpret_cast<C_OP_RenderSpritesContext_t *>( pContext );
float flAgeScale = m_flAnimationRate * SEQUENCE_SAMPLE_COUNT;
float flAgeScale2 = m_flAnimationRate2 * SEQUENCE_SAMPLE_COUNT;
SpriteRenderInfo_t info;
info.Init( pParticles, 0, flAgeScale, flAgeScale2, pParticles->m_Sheet() );
int hParticle = nFirstParticle;
int nParticles;
const ParticleRenderData_t *pSortList = pParticles->GetRenderList( pRenderContext, false, &nParticles, &pCtx->m_VisibilityData );
for( int i = 0; i < nParticleCount; i++, hParticle++ )
{
RenderSpriteCard( meshBuilder, info, hParticle, pSortList );
}
}
//
//
//
//
struct SpriteTrailRenderInfo_t : public SpriteRenderInfo_t
{
size_t m_nPrevXYZStride;
const fltx4 *m_pPrevXYZ;
size_t length_stride;
const fltx4 *m_pLength;
const fltx4 *m_pCreationTime;
size_t m_nCreationTimeStride;
void Init( CParticleCollection *pParticles, int nVertexOffset, float flAgeScale, CSheet *pSheet )
{
SpriteRenderInfo_t::Init( pParticles, nVertexOffset, flAgeScale, 0, pSheet );
m_pParticles = pParticles;
m_pPrevXYZ = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_PREV_XYZ, &m_nPrevXYZStride );
m_pLength = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_TRAIL_LENGTH, &length_stride );
m_pCreationTime = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_CREATION_TIME, &m_nCreationTimeStride );
}
};
struct FastSpriteTrailVertex_t
{
Vector m_vPos;
int m_nColor;
Vector4D m_vTexcoord[ 6 ];
};
class C_OP_RenderSpritesTrail : public CParticleRenderOperatorInstance
{
DECLARE_PARTICLE_OPERATOR( C_OP_RenderSpritesTrail );
struct C_OP_RenderSpriteTrailContext_t
{
CParticleVisibilityData m_VisibilityData;
int m_nQueryHandle;
};
virtual uint64 GetReadControlPointMask() const
{
uint64 nMask = 0;
if ( VisibilityInputs.m_nCPin >= 0 )
nMask |= 1ULL << VisibilityInputs.m_nCPin;
return nMask;
}
size_t GetRequiredContextBytes( void ) const
{
return sizeof( C_OP_RenderSpriteTrailContext_t );
}
virtual void InitializeContextData( CParticleCollection *pParticles, void *pContext ) const
{
C_OP_RenderSpriteTrailContext_t *pCtx = reinterpret_cast<C_OP_RenderSpriteTrailContext_t *>( pContext );
if ( ( VisibilityInputs.m_nCPin >= 0 ) || ( VisibilityInputs.m_flRadiusScaleFOVBase > 0 ) )
pCtx->m_VisibilityData.m_bUseVisibility = true;
else
pCtx->m_VisibilityData.m_bUseVisibility = false;
}
uint32 GetWrittenAttributes( void ) const
{
return 0;
}
void InitParams( CParticleSystemDefinition *pDef )
{
pDef->SetMaxTailLength( m_flMaxLength );
}
uint32 GetReadAttributes( void ) const
{
return PARTICLE_ATTRIBUTE_XYZ_MASK | PARTICLE_ATTRIBUTE_PREV_XYZ_MASK | PARTICLE_ATTRIBUTE_RADIUS_MASK |
PARTICLE_ATTRIBUTE_TINT_RGB_MASK | PARTICLE_ATTRIBUTE_ALPHA_MASK | PARTICLE_ATTRIBUTE_CREATION_TIME_MASK |
PARTICLE_ATTRIBUTE_SEQUENCE_NUMBER_MASK | PARTICLE_ATTRIBUTE_TRAIL_LENGTH_MASK;
}
virtual int GetParticlesToRender( CParticleCollection *pParticles, void *pContext, int nFirstParticle, int nRemainingVertices, int nRemainingIndices, int *pVertsUsed, int *pIndicesUsed ) const ;
virtual void Render( IMatRenderContext *pRenderContext, CParticleCollection *pParticles, const Vector4D &vecDiffuseModulation, void *pContext, int nViewRecursionDepth ) const;
virtual void RenderUnsorted( CParticleCollection *pParticles, void *pContext, IMatRenderContext *pRenderContext, CMeshBuilder &meshBuilder, int nVertexOffset, int nFirstParticle, int nParticleCount ) const;
bool RenderSpriteTrail( CMeshBuilder &meshBuilder,
int nCurrentVertex, int nCurrentIndex,
SpriteTrailRenderInfo_t& info, int hParticle,
const Vector &vecCameraPos, float flOODt, ParticleRenderData_t const *pSortList ) const;
template <bool bFastPath>
bool RenderSpriteTrailSpriteCard( CMeshBuilder &meshBuilder, int nCurrentVertex, // Slow method params
FastSpriteTrailVertex_t *RESTRICT pVertices, uint32 *RESTRICT pIndices, int nIndexOffset, // Fast method params
SpriteTrailRenderInfo_t& info, int hParticle,
float flOODt, ParticleRenderData_t const *pSortlist ) const;
Vector4D m_FadeColor;
float m_flAnimationRate;
float m_flLengthFadeInTime;
float m_flMaxLength;
float m_flMinLength;
bool m_bConstrainRadius;
bool m_bIgnoreDT;
CullSystemByControlPointData_t m_cullData;
};
DEFINE_PARTICLE_OPERATOR( C_OP_RenderSpritesTrail, "render_sprite_trail", OPERATOR_SINGLETON );
BEGIN_PARTICLE_RENDER_OPERATOR_UNPACK( C_OP_RenderSpritesTrail )
DMXELEMENT_UNPACK_FIELD( "animation rate", ".1", float, m_flAnimationRate )
DMXELEMENT_UNPACK_FIELD( "length fade in time", "0", float, m_flLengthFadeInTime )
DMXELEMENT_UNPACK_FIELD( "max length", "2000", float, m_flMaxLength )
DMXELEMENT_UNPACK_FIELD( "min length", "0", float, m_flMinLength )
DMXELEMENT_UNPACK_FIELD( "constrain radius to length", "1", bool, m_bConstrainRadius )
DMXELEMENT_UNPACK_FIELD( "ignore delta time", "0", bool, m_bIgnoreDT )
DMXELEMENT_UNPACK_FIELD( "tail color and alpha scale factor", "1 1 1 1", Vector4D, m_FadeColor )
DMXELEMENT_UNPACK_FIELD( CULL_CP_NORMAL_DESCRIPTOR, "-1", int, m_cullData.m_nCullControlPoint )
DMXELEMENT_UNPACK_FIELD( CULL_RECURSION_DEPTH_DESCRIPTOR, "-1", int, m_cullData.m_nViewRecursionDepthStart )
END_PARTICLE_OPERATOR_UNPACK( C_OP_RenderSpritesTrail )
int C_OP_RenderSpritesTrail::GetParticlesToRender( CParticleCollection *pParticles,
void *pContext, int nFirstParticle, int nRemainingVertices,
int nRemainingIndices,
int *pVertsUsed, int *pIndicesUsed ) const
{
int nMaxParticles = ( (nRemainingVertices / 4) > (nRemainingIndices / 6) ) ? nRemainingIndices / 6 : nRemainingVertices / 4;
int nParticleCount = pParticles->m_nActiveParticles - nFirstParticle;
if ( nParticleCount > nMaxParticles )
{
nParticleCount = nMaxParticles;
}
*pVertsUsed = nParticleCount * 4;
*pIndicesUsed = nParticleCount * 6;
return nParticleCount;
}
template <bool bFastPath>
bool C_OP_RenderSpritesTrail::RenderSpriteTrailSpriteCard( CMeshBuilder &meshBuilder, int nCurrentVertex, // Slow method params
FastSpriteTrailVertex_t *RESTRICT pVertices, uint32 *RESTRICT pIndices, int nIndexOffset, // Fast method params
// Common params
SpriteTrailRenderInfo_t& info, int hParticle,
float flOODt, ParticleRenderData_t const *pSortList ) const
{
// Setup our alpha
unsigned char ac = pSortList->m_nAlpha;
if ( ac == 0 )
return false;
Assert( hParticle != -1 );
int nGroup = hParticle / 4;
int nOffset = hParticle & 0x3;
// Setup our colors
unsigned char rc = 255;
unsigned char gc = 255;
unsigned char bc = 255;
int nColorIndex = nGroup * info.m_nRGBStride;
float a = pSortList->m_nAlpha / 255.0f;
float r = SubFloat( info.m_pRGB[nColorIndex], nOffset );
float g = SubFloat( info.m_pRGB[nColorIndex+1], nOffset );
float b = SubFloat( info.m_pRGB[nColorIndex+2], nOffset );
Assert( IsFinite(r) && IsFinite(g) && IsFinite(b) );
Assert( (r >= -FLT_EPSILON) && (g >= -FLT_EPSILON) && (b >= -FLT_EPSILON) );
Assert( (r <= 1.0f + FLT_EPSILON) && (g <= 1.0f + FLT_EPSILON) && (b <= 1.0f + FLT_EPSILON) );
rc = FastFToC( r );
gc = FastFToC( g );
bc = FastFToC( b );
// Setup the scale and rotation
float rad = pSortList->m_flRadius;
// Find the sample for this frame
const SheetSequenceSample_t *pSample = &s_DefaultSheetSequence;
if ( info.m_pSheet )
{
pSample = GetSampleForSequence(
info.m_pSheet,
info.m_pParticles->m_flCurTime - SubFloat( info.m_pCreationTimeStamp[ nGroup * info.m_nCreationTimeStride ], nOffset ),
info.m_flAgeScale,
SubFloat( info.m_pSequenceNumber[ nGroup * info.m_nSequenceStride ], nOffset ) );
}
const SequenceSampleTextureCoords_t *pSample0 = &(pSample->m_TextureCoordData[0]);
int nCreationTimeIndex = nGroup * info.m_nCreationTimeStride;
float flAge = info.m_pParticles->m_flCurTime - SubFloat( info.m_pCreationTimeStamp[ nCreationTimeIndex ], nOffset );
float flLengthScale = MIN( 1.0, ( flAge / m_flLengthFadeInTime ) );
int nXYZIndex = nGroup * info.m_nXYZStride;
Vector vecWorldPos( SubFloat( info.m_pXYZ[ nXYZIndex ], nOffset ), SubFloat( info.m_pXYZ[ nXYZIndex+1 ], nOffset ), SubFloat( info.m_pXYZ[ nXYZIndex+2 ], nOffset ) );
Vector vecViewPos = vecWorldPos;
// Get our screenspace last position
int nPrevXYZIndex = nGroup * info.m_nPrevXYZStride;
Vector vecPrevWorldPos( SubFloat( info.m_pPrevXYZ[ nPrevXYZIndex ], nOffset ), SubFloat( info.m_pPrevXYZ[ nPrevXYZIndex+1 ], nOffset ), SubFloat( info.m_pPrevXYZ[ nPrevXYZIndex+2 ], nOffset ) );
Vector vecPrevViewPos = vecPrevWorldPos;
// Get the delta direction and find the magnitude, then scale the length by the desired length amount
Vector vecDelta;
VectorSubtract( vecPrevViewPos, vecViewPos, vecDelta );
float flMagSquared = vecDelta.LengthSqr();
float flInvMag = ( flMagSquared == 0.0f ) ? 0 : FastRSqrtFast( flMagSquared );
float flMag = flInvMag * flMagSquared;
vecDelta.x *= flInvMag;
vecDelta.y *= flInvMag;
vecDelta.z *= flInvMag;
float flLength = flLengthScale * flMag * flOODt * SubFloat( info.m_pLength[ nGroup * info.length_stride ], nOffset );
if ( flLength <= 0.0f )
return false;
flLength = MAX( m_flMinLength, MIN( m_flMaxLength, flLength ) );
vecDelta *= flLength;
// Fade the width as the length fades to keep it at a square aspect ratio
if ( m_bConstrainRadius )
{
rad = MIN( rad, flLength );
}
Vector p0 = vecWorldPos - vecDelta;
Vector p1 = vecWorldPos;
Vector p2 = vecWorldPos + vecDelta;
Vector p3 = vecWorldPos + 2 * vecDelta;
Vector4D vFadeColor = ( Vector4D( r, g, b, a ) * m_FadeColor );
int nColor = PackRGBToPlatformColor( rc, gc, bc, ac );
Vector4D vTextureRange( pSample0->m_fLeft_U0, pSample0->m_fTop_V0, pSample0->m_fRight_U0, pSample0->m_fBottom_V0 );
if ( bFastPath )
{
// Vert0
pVertices->m_vPos.Init( 0, 1, 0 );
pVertices->m_nColor = nColor;
pVertices->m_vTexcoord[ 0 ].Init( p0.x, p0.y, p0.z, rad );
pVertices->m_vTexcoord[ 1 ].Init( p1.x, p1.y, p1.z, rad );
pVertices->m_vTexcoord[ 2 ].Init( p2.x, p2.y, p2.z, rad );
pVertices->m_vTexcoord[ 3 ].Init( p3.x, p3.y, p3.z, rad );
pVertices->m_vTexcoord[ 4 ] = vTextureRange;
pVertices->m_vTexcoord[ 5 ] = vFadeColor;
pVertices++;
// Vert1
pVertices->m_vPos.Init( 0, 1, 1 );
pVertices->m_nColor = nColor;
pVertices->m_vTexcoord[ 0 ].Init( p0.x, p0.y, p0.z, rad );
pVertices->m_vTexcoord[ 1 ].Init( p1.x, p1.y, p1.z, rad );
pVertices->m_vTexcoord[ 2 ].Init( p2.x, p2.y, p2.z, rad );
pVertices->m_vTexcoord[ 3 ].Init( p3.x, p3.y, p3.z, rad );
pVertices->m_vTexcoord[ 4 ] = vTextureRange;
pVertices->m_vTexcoord[ 5 ] = vFadeColor;
pVertices++;
// Vert2
pVertices->m_vPos.Init( 1, 0, 1 );
pVertices->m_nColor = nColor;
pVertices->m_vTexcoord[ 0 ].Init( p0.x, p0.y, p0.z, rad );
pVertices->m_vTexcoord[ 1 ].Init( p1.x, p1.y, p1.z, rad );
pVertices->m_vTexcoord[ 2 ].Init( p2.x, p2.y, p2.z, rad );
pVertices->m_vTexcoord[ 3 ].Init( p3.x, p3.y, p3.z, rad );
pVertices->m_vTexcoord[ 4 ] = vTextureRange;
pVertices->m_vTexcoord[ 5 ] = vFadeColor;
pVertices++;
// Vert3
pVertices->m_vPos.Init( 1, 0, 0 );
pVertices->m_nColor = nColor;
pVertices->m_vTexcoord[ 0 ].Init( p0.x, p0.y, p0.z, rad );
pVertices->m_vTexcoord[ 1 ].Init( p1.x, p1.y, p1.z, rad );
pVertices->m_vTexcoord[ 2 ].Init( p2.x, p2.y, p2.z, rad );
pVertices->m_vTexcoord[ 3 ].Init( p3.x, p3.y, p3.z, rad );
pVertices->m_vTexcoord[ 4 ] = vTextureRange;
pVertices->m_vTexcoord[ 5 ] = vFadeColor;
}
else
{
// Vert0
meshBuilder.Position3f( nCurrentVertex, 0.0f, 1.0f, 0.0f );
meshBuilder.Color4ub( nCurrentVertex, rc, gc, bc, ac );
meshBuilder.TexCoord4f( nCurrentVertex, 0, p0.x, p0.y, p0.z, rad );
meshBuilder.TexCoord4f( nCurrentVertex, 1, p1.x, p1.y, p1.z, rad );
meshBuilder.TexCoord4f( nCurrentVertex, 2, p2.x, p2.y, p2.z, rad );
meshBuilder.TexCoord4f( nCurrentVertex, 3, p3.x, p3.y, p3.z, rad );
meshBuilder.TexCoord4f( nCurrentVertex, 4, pSample0->m_fLeft_U0, pSample0->m_fTop_V0, pSample0->m_fRight_U0, pSample0->m_fBottom_V0 );
meshBuilder.TexCoord4fv( nCurrentVertex, 5, vFadeColor.Base() );
// Vert1
meshBuilder.Position3f( nCurrentVertex + 1, 0.0f, 1.0f, 1.0f );
meshBuilder.Color4ub( nCurrentVertex + 1, rc, gc, bc, ac );
meshBuilder.TexCoord4f( nCurrentVertex + 1, 0, p0.x, p0.y, p0.z, rad );
meshBuilder.TexCoord4f( nCurrentVertex + 1, 1, p1.x, p1.y, p1.z, rad );
meshBuilder.TexCoord4f( nCurrentVertex + 1, 2, p2.x, p2.y, p2.z, rad );
meshBuilder.TexCoord4f( nCurrentVertex + 1, 3, p3.x, p3.y, p3.z, rad );
meshBuilder.TexCoord4f( nCurrentVertex + 1, 4, pSample0->m_fLeft_U0, pSample0->m_fTop_V0, pSample0->m_fRight_U0, pSample0->m_fBottom_V0 );
meshBuilder.TexCoord4fv( nCurrentVertex + 1, 5, vFadeColor.Base() );
// Vert2
meshBuilder.Position3f( nCurrentVertex + 2, 1.0f, 0.0f, 1.0f );
meshBuilder.Color4ub( nCurrentVertex + 2, rc, gc, bc, ac );
meshBuilder.TexCoord4f( nCurrentVertex + 2, 0, p0.x, p0.y, p0.z, rad );
meshBuilder.TexCoord4f( nCurrentVertex + 2, 1, p1.x, p1.y, p1.z, rad );
meshBuilder.TexCoord4f( nCurrentVertex + 2, 2, p2.x, p2.y, p2.z, rad );
meshBuilder.TexCoord4f( nCurrentVertex + 2, 3, p3.x, p3.y, p3.z, rad );
meshBuilder.TexCoord4f( nCurrentVertex + 2, 4, pSample0->m_fLeft_U0, pSample0->m_fTop_V0, pSample0->m_fRight_U0, pSample0->m_fBottom_V0 );
meshBuilder.TexCoord4fv( nCurrentVertex + 2, 5, vFadeColor.Base() );
// Vert3
meshBuilder.Position3f( nCurrentVertex + 3, 1.0f, 0.0f, 0.0f );
meshBuilder.Color4ub( nCurrentVertex + 3, rc, gc, bc, ac );
meshBuilder.TexCoord4f( nCurrentVertex + 3, 0, p0.x, p0.y, p0.z, rad );
meshBuilder.TexCoord4f( nCurrentVertex + 3, 1, p1.x, p1.y, p1.z, rad );
meshBuilder.TexCoord4f( nCurrentVertex + 3, 2, p2.x, p2.y, p2.z, rad );
meshBuilder.TexCoord4f( nCurrentVertex + 3, 3, p3.x, p3.y, p3.z, rad );
meshBuilder.TexCoord4f( nCurrentVertex + 3, 4, pSample0->m_fLeft_U0, pSample0->m_fTop_V0, pSample0->m_fRight_U0, pSample0->m_fBottom_V0 );
meshBuilder.TexCoord4fv( nCurrentVertex + 3, 5, vFadeColor.Base() );
}
// Quad
unsigned short nIndex = info.m_nVertexOffset + nIndexOffset;
pIndices[ 0 ] = TwoIndices( nIndex, nIndex + 1 );
pIndices[ 1 ] = TwoIndices( nIndex + 2, nIndex );
pIndices[ 2 ] = TwoIndices( nIndex + 2, nIndex + 3 );
info.m_nVertexOffset += 4;
return true;
}
bool C_OP_RenderSpritesTrail::RenderSpriteTrail( CMeshBuilder &meshBuilder,
int nCurrentVertex, int nCurrentIndex,
SpriteTrailRenderInfo_t& info, int hParticle,
const Vector &vecCameraPos, float flOODt, ParticleRenderData_t const *pSortList ) const
{
Assert( hParticle != -1 );
// Setup our alpha
unsigned char ac = pSortList->m_nAlpha;
if ( ac == 0 )
return false;
int nGroup = hParticle / 4;
int nOffset = hParticle & 0x3;
// Setup our colors
int nColorIndex = nGroup * info.m_nRGBStride;
float r = SubFloat( info.m_pRGB[nColorIndex], nOffset );
float g = SubFloat( info.m_pRGB[nColorIndex+1], nOffset );
float b = SubFloat( info.m_pRGB[nColorIndex+2], nOffset );
Assert( IsFinite(r) && IsFinite(g) && IsFinite(b) );
Assert( (r >= 0.0f) && (g >= 0.0f) && (b >= 0.0f) );
Assert( (r <= 1.0f) && (g <= 1.0f) && (b <= 1.0f) );
unsigned char rc = FastFToC( r );
unsigned char gc = FastFToC( g );
unsigned char bc = FastFToC( b );
// Setup the scale and rotation
float rad = pSortList->m_flRadius;
// Find the sample for this frame
const SheetSequenceSample_t *pSample = &s_DefaultSheetSequence;
if ( info.m_pSheet )
{
pSample = GetSampleForSequence(
info.m_pSheet,
info.m_pParticles->m_flCurTime - SubFloat( info.m_pCreationTimeStamp[ nGroup * info.m_nCreationTimeStride ], nOffset ),
info.m_flAgeScale,
SubFloat( info.m_pSequenceNumber[ nGroup * info.m_nSequenceStride ], nOffset ) );
}
const SequenceSampleTextureCoords_t *pSample0 = &(pSample->m_TextureCoordData[0]);
int nCreationTimeIndex = nGroup * info.m_nCreationTimeStride;
float flAge = info.m_pParticles->m_flCurTime - SubFloat( info.m_pCreationTimeStamp[ nCreationTimeIndex ], nOffset );
float flLengthScale = ( flAge >= m_flLengthFadeInTime ) ? 1.0 : ( flAge / m_flLengthFadeInTime );
int nXYZIndex = nGroup * info.m_nXYZStride;
Vector vecWorldPos( SubFloat( info.m_pXYZ[ nXYZIndex ], nOffset ), SubFloat( info.m_pXYZ[ nXYZIndex+1 ], nOffset ), SubFloat( info.m_pXYZ[ nXYZIndex+2 ], nOffset ) );
Vector vecViewPos = vecWorldPos;
// Get our screenspace last position
int nPrevXYZIndex = nGroup * info.m_nPrevXYZStride;
Vector vecPrevWorldPos( SubFloat( info.m_pPrevXYZ[ nPrevXYZIndex ], nOffset ), SubFloat( info.m_pPrevXYZ[ nPrevXYZIndex+1 ], nOffset ), SubFloat( info.m_pPrevXYZ[ nPrevXYZIndex+2 ], nOffset ) );
Vector vecPrevViewPos = vecPrevWorldPos;
// Get the delta direction and find the magnitude, then scale the length by the desired length amount
Vector vecDelta;
// Explicitely sub and find length here, since calling VectorSubtract/VectorNormalize causes
// the results to be stored in memory.
vecDelta.x = vecPrevViewPos.x - vecViewPos.x;
vecDelta.y = vecPrevViewPos.y - vecViewPos.y;
vecDelta.z = vecPrevViewPos.z - vecViewPos.z;
float flMag = sqrtf( vecDelta.x * vecDelta.x + vecDelta.y * vecDelta.y + vecDelta.z * vecDelta.z );
float flInvMag = 1.0f / flMag;
vecDelta.x *= flInvMag;
vecDelta.y *= flInvMag;
vecDelta.z *= flInvMag;
float flLength = flLengthScale * flMag * flOODt * SubFloat( info.m_pLength[ nGroup * info.length_stride ], nOffset );
if ( flLength <= 0.0f )
return false;
flLength = MAX( m_flMinLength, MIN( m_flMaxLength, flLength ) );
vecDelta *= flLength;
// Fade the width as the length fades to keep it at a square aspect ratio
if ( ( flLength < rad ) && ( m_bConstrainRadius ) )
{
rad = flLength;
}
// Find our tangent direction which "fattens" the line
Vector vDirToBeam, vTangentY;
VectorSubtract( vecWorldPos, vecCameraPos, vDirToBeam );
CrossProduct( vDirToBeam, vecDelta, vTangentY );
// VectorNormalizeFast stores in sse registers, does math, and then writes out... causing LHS on the consoles
flMag = sqrtf( vTangentY.x * vTangentY.x + vTangentY.y * vTangentY.y + vTangentY.z * vTangentY.z );
flInvMag = 1.0f / flMag;
vTangentY.x *= flInvMag;
vTangentY.y *= flInvMag;
vTangentY.z *= flInvMag;
// Calculate the verts we'll use as our points
Vector verts[4];
VectorMA( vecWorldPos, rad*0.5f, vTangentY, verts[0] );
VectorMA( vecWorldPos, -rad*0.5f, vTangentY, verts[1] );
VectorAdd( verts[0], vecDelta, verts[3] );
VectorAdd( verts[1], vecDelta, verts[2] );
Assert( verts[0].IsValid() && verts[1].IsValid() && verts[2].IsValid() && verts[3].IsValid() );
meshBuilder.Position3fv( nCurrentVertex, verts[0].Base() );
meshBuilder.Color4ub( nCurrentVertex, rc, gc, bc, ac );
meshBuilder.TexCoord2f( nCurrentVertex, 0, pSample0->m_fLeft_U0, pSample0->m_fBottom_V0 );
meshBuilder.Position3fv( nCurrentVertex + 1, verts[1].Base() );
meshBuilder.Color4ub( nCurrentVertex + 1, rc, gc, bc, ac );
meshBuilder.TexCoord2f( nCurrentVertex + 1, 0, pSample0->m_fRight_U0, pSample0->m_fBottom_V0 );
meshBuilder.Position3fv( nCurrentVertex + 2, verts[2].Base() );
meshBuilder.Color4ub( nCurrentVertex + 2, rc, gc, bc, ac );
meshBuilder.TexCoord2f( nCurrentVertex + 2, 0, pSample0->m_fRight_U0, pSample0->m_fTop_V0 );
meshBuilder.Position3fv( nCurrentVertex + 3, verts[3].Base() );
meshBuilder.Color4ub( nCurrentVertex + 3, rc, gc, bc, ac );
meshBuilder.TexCoord2f( nCurrentVertex + 3, 0, pSample0->m_fLeft_U0, pSample0->m_fTop_V0 );
meshBuilder.FastQuad( nCurrentIndex, info.m_nVertexOffset );
info.m_nVertexOffset += 4;
return true;
}
void C_OP_RenderSpritesTrail::Render( IMatRenderContext *pRenderContext, CParticleCollection *pParticles, const Vector4D &vecDiffuseModulation, void *pContext, int nViewRecursionDepth ) const
{
// See if we need to cull this system
if ( ShouldCullParticleSystem( &m_cullData, pParticles, pRenderContext, nViewRecursionDepth ) )
return;
C_OP_RenderSpriteTrailContext_t *pCtx = reinterpret_cast<C_OP_RenderSpriteTrailContext_t *>( pContext );
IMaterial *pMaterial = pParticles->m_pDef->GetMaterial();
if ( pCtx->m_VisibilityData.m_bUseVisibility )
{
SetupParticleVisibility( pParticles, &pCtx->m_VisibilityData, &VisibilityInputs, &pCtx->m_nQueryHandle, pRenderContext );
}
// Reset the particle cache if we're sprite card material, not sorted, and don't need visibility
bool bSpriteCard = pMaterial->IsSpriteCard();
bool bShouldSort = pParticles->m_pDef->m_bShouldSort;
CCachedParticleBatches *pCachedBatches = NULL;
MaterialThreadMode_t nThreadMode = g_pMaterialSystem->GetThreadMode();
if ( nThreadMode != MATERIAL_SINGLE_THREADED && bSpriteCard && !bShouldSort && !pCtx->m_VisibilityData.m_bUseVisibility )
{
pParticles->ResetParticleCache();
pCachedBatches = pParticles->GetCachedParticleBatches();
}
// Store matrices off so we can restore them in RenderEnd().
pRenderContext->Bind( pMaterial );
float flAgeScale = m_flAnimationRate * SEQUENCE_SAMPLE_COUNT;
// Get the camera's worldspace position
Vector vecCameraPos;
pRenderContext->GetWorldSpaceCameraPosition( &vecCameraPos );
SpriteTrailRenderInfo_t info;
info.Init( pParticles, 0, flAgeScale, pParticles->m_Sheet() );
int nSkipAheadParticles = 0;
int nParticles = 0;
const ParticleRenderData_t *pSortList = NULL;
// Only grab the render list if we're not cached, since this can be costly for large systems. Make sure that if we run out of cached batches below
// that we re-grab the render list and continue with the slow path
if ( !pCachedBatches || !pCachedBatches->GetCachedBatch( 0 ) )
{
pSortList = pParticles->GetRenderList( pRenderContext, true, &nParticles, &pCtx->m_VisibilityData );
if ( pCachedBatches )
{
pCachedBatches->SetCachedRenderListCount( nParticles );
}
}
else
{
nParticles = pCachedBatches->GetCachedRenderListCount();
}
int nMaxParticlesInBatch = GetMaxParticlesPerBatch( pRenderContext, pMaterial, false );
float flOODt = ( m_bIgnoreDT ? 1.0 : ( pParticles->m_flDt != 0.0f ) ? ( 1.0f / pParticles->m_flDt ) : 1.0f );
int nBatchCount = 0;
bool bFirstBatchBatched = false;
while ( nParticles )
{
int nParticlesInBatch = MIN( nMaxParticlesInBatch, nParticles );
nParticles -= nParticlesInBatch;
IMesh* pMesh = pRenderContext->GetDynamicMesh( true );
if ( bSpriteCard )
{
ICachedPerFrameMeshData *pCachedBatch = pCachedBatches ? pCachedBatches->GetCachedBatch( nBatchCount ) : NULL;
if ( pCachedBatch )
{
// This copies all of the VB/IB pointers and data out of the pCachedBatch back into the pMesh
pMesh->ReconstructFromCachedPerFrameMeshData( pCachedBatch );
if ( nBatchCount == 0 )
bFirstBatchBatched = true;
nSkipAheadParticles += pMesh->IndexCount() / 6;
}
else
{
// This fires if the first batch was cached, but some subsequent batch is not. We can either increase MAX_CACHED_PARTICLE_BATCHES in particles.h
// or get the render list and continue unbatched
if ( bFirstBatchBatched )
{
// Get the render list and resume from where we stopped batching
int nNewParticles = 0;
pSortList = pParticles->GetRenderList( pRenderContext, true, &nNewParticles, &pCtx->m_VisibilityData );
pSortList -= nSkipAheadParticles;
// We have a different number of particles from when we cached in the beginning of the frame!
Assert( nNewParticles == nParticles );
bFirstBatchBatched = false;
}
CMeshBuilder meshBuilder;
meshBuilder.Begin( pMesh, MATERIAL_TRIANGLES, nParticlesInBatch * 4, nParticlesInBatch * 6 );
if ( meshBuilder.m_ActualVertexSize == 0 )
{
// We're likely in alt+tab, and since we're using fast vertex/index routines, we need to see if we're writing into valid vertex data
meshBuilder.End();
return;
}
// Grab index and vertex pointers. The VB will be NULL if the vertex size is not sizeof( FastSpriteTrailVertex_t )
uint32 *pIndices = (uint32*)( meshBuilder.BaseIndexData() + meshBuilder.GetCurrentIndex() );
FastSpriteTrailVertex_t *pVertices = (FastSpriteTrailVertex_t*)meshBuilder.GetVertexDataPtr( sizeof( FastSpriteTrailVertex_t ) );
int nIndexOffset = meshBuilder.GetIndexOffset();
int nVertices = 0;
int nIndices = 0;
info.m_nVertexOffset = 0;
if ( pVertices )
{
// Fast path uses the predetermined vertex format
for( int i = 0; i < nParticlesInBatch; i++ )
{
int hParticle = (--pSortList)->m_nIndex;
if ( RenderSpriteTrailSpriteCard<true>( meshBuilder, nVertices, pVertices, pIndices, nIndexOffset, info, hParticle, flOODt, pSortList ) )
{
pVertices += 4;
pIndices += 3;
nVertices += 4;
nIndices += 6;
}
}
}
else
{
// Slow path uses meshbuilder
for( int i = 0; i < nParticlesInBatch; i++ )
{
int hParticle = (--pSortList)->m_nIndex;
if ( RenderSpriteTrailSpriteCard<false>( meshBuilder, nVertices, pVertices, pIndices, nIndexOffset, info, hParticle, flOODt, pSortList ) )
{
pIndices += 3;
nVertices += 4;
nIndices += 6;
}
}
}
meshBuilder.AdvanceVerticesF<VTX_HAVEPOS | VTX_HAVECOLOR, 6>( nVertices );
meshBuilder.AdvanceIndices( nIndices );
meshBuilder.End();
// If we have a list of cached batches, cache them off so that if we try to render this sytem again for the current frame,
// we have a cached all of the vb and ib pointers.
if ( pCachedBatches )
{
pCachedBatch = pMesh->GetCachedPerFrameMeshData();
pCachedBatches->SetCachedBatch( nBatchCount, pCachedBatch );
}
}
}
else
{
CMeshBuilder meshBuilder;
meshBuilder.Begin( pMesh, MATERIAL_TRIANGLES, nParticlesInBatch * 4, nParticlesInBatch * 6 );
info.m_nVertexOffset = 0;
int nVertices = 0;
int nIndices = 0;
for( int i = 0; i < nParticlesInBatch; i++ )
{
int hParticle = (--pSortList)->m_nIndex;
if ( RenderSpriteTrail( meshBuilder, nVertices, nIndices, info, hParticle, vecCameraPos, flOODt, pSortList ) )
{
nVertices += 4;
nIndices += 6;
}
}
meshBuilder.AdvanceVerticesF<VTX_HAVEPOS | VTX_HAVECOLOR, 1>( nVertices );
meshBuilder.AdvanceIndices( nIndices );
meshBuilder.End();
}
nBatchCount++;
pMesh->DrawModulated( vecDiffuseModulation );
}
}
void C_OP_RenderSpritesTrail::RenderUnsorted( CParticleCollection *pParticles, void *pContext, IMatRenderContext *pRenderContext, CMeshBuilder &meshBuilder, int nVertexOffset, int nFirstParticle, int nParticleCount ) const
{
C_OP_RenderSpriteTrailContext_t *pCtx = reinterpret_cast<C_OP_RenderSpriteTrailContext_t *>( pContext );
// NOTE: This is interesting to support because at first we won't have all the various
// pixel-shader versions of SpriteCard, like modulate, twotexture, etc. etc.
Vector vecCameraPos;
pRenderContext->GetWorldSpaceCameraPosition( &vecCameraPos );
float flAgeScale = m_flAnimationRate * SEQUENCE_SAMPLE_COUNT;
SpriteTrailRenderInfo_t info;
info.Init( pParticles, nVertexOffset, flAgeScale, pParticles->m_Sheet() );
int nParticles;
const ParticleRenderData_t *pSortList = pParticles->GetRenderList( pRenderContext, false, &nParticles, &pCtx->m_VisibilityData );
float flOODt = ( m_bIgnoreDT ? 1.0 : ( pParticles->m_flDt != 0.0f ) ? ( 1.0f / pParticles->m_flDt ) : 1.0f );
int hParticle = nFirstParticle;
int nVertices = 0;
int nIndices = 0;
for( int i = 0; i < nParticleCount; i++, hParticle++ )
{
if ( RenderSpriteTrail( meshBuilder, nVertices, nIndices, info, hParticle, vecCameraPos, flOODt, pSortList ) )
{
nVertices += 4;
nIndices += 6;
}
}
meshBuilder.AdvanceVerticesF<VTX_HAVEPOS | VTX_HAVECOLOR, 1>( nVertices );
meshBuilder.AdvanceIndices( nIndices );
}
//-----------------------------------------------------------------------------
//
// Rope renderer
//
//-----------------------------------------------------------------------------
struct RopeRenderInfo_t
{
size_t m_nXYZStride;
const fltx4 *m_pXYZ;
size_t m_nRadStride;
const fltx4 *m_pRadius;
size_t m_nRGBStride;
const fltx4 *m_pRGB;
size_t m_nAlphaStride;
const fltx4 *m_pAlpha;
size_t m_nAlpha2Stride;
const fltx4 *m_pAlpha2;
CParticleCollection *m_pParticles;
void Init( CParticleCollection *pParticles )
{
m_pParticles = pParticles;
m_pXYZ = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_XYZ, &m_nXYZStride );
m_pRadius = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_RADIUS, &m_nRadStride );
m_pRGB = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_TINT_RGB, &m_nRGBStride );
m_pAlpha = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_ALPHA, &m_nAlphaStride );
m_pAlpha2 = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_ALPHA2, &m_nAlpha2Stride );
}
void GenerateSeg( int hParticle, BeamSeg_t& seg )
{
Assert( hParticle != -1 );
int nGroup = hParticle / 4;
int nOffset = hParticle & 0x3;
int nXYZIndex = nGroup * m_nXYZStride;
int nColorIndex = nGroup * m_nRGBStride;
seg.m_vPos.Init( SubFloat( m_pXYZ[ nXYZIndex ], nOffset ), SubFloat( m_pXYZ[ nXYZIndex+1 ], nOffset ), SubFloat( m_pXYZ[ nXYZIndex+2 ], nOffset ) );
seg.SetColor( SubFloat( m_pRGB[ nColorIndex ], nOffset ), SubFloat( m_pRGB[ nColorIndex+1 ], nOffset ), SubFloat( m_pRGB[nColorIndex+2], nOffset ), SubFloat( ( m_pAlpha[ nGroup * m_nAlphaStride ] * m_pAlpha2[ nGroup * m_nAlpha2Stride ] ), nOffset ) );
seg.m_flWidth = SubFloat( m_pRadius[ nGroup * m_nRadStride ], nOffset );
}
};
struct RenderRopeContext_t
{
float m_flRenderedRopeLength;
};
class C_OP_RenderRope : public CParticleOperatorInstance
{
DECLARE_PARTICLE_OPERATOR( C_OP_RenderRope );
uint32 GetWrittenAttributes( void ) const
{
return 0;
}
uint32 GetReadAttributes( void ) const
{
return PARTICLE_ATTRIBUTE_XYZ_MASK | PARTICLE_ATTRIBUTE_RADIUS_MASK |
PARTICLE_ATTRIBUTE_TINT_RGB_MASK | PARTICLE_ATTRIBUTE_ALPHA_MASK |
PARTICLE_ATTRIBUTE_ALPHA2_MASK;
}
virtual void InitializeContextData( CParticleCollection *pParticles, void *pContext ) const
{
RenderRopeContext_t *pCtx = reinterpret_cast<RenderRopeContext_t *>( pContext );
pCtx->m_flRenderedRopeLength = false;
float *pSubdivList = (float*)( pCtx + 1 );
for ( int iSubdiv = 0; iSubdiv < m_nSubdivCount; iSubdiv++ )
{
pSubdivList[iSubdiv] = (float)iSubdiv / (float)m_nSubdivCount;
}
// NOTE: Has to happen here, and not in InitParams, since the material isn't set up yet
IMaterial *pMaterial = pParticles->m_pDef->GetMaterial();
float flTscale = 1.0;
if ( pMaterial )
{
flTscale = 1.0f / ( pMaterial->GetMappingHeight() * m_flTexelSizeInUnits );
}
const_cast<C_OP_RenderRope*>( this )->m_flTextureScale = flTscale; // this is a little bogus but safe
}
size_t GetRequiredContextBytes( void ) const
{
return sizeof( RenderRopeContext_t ) + m_nSubdivCount * sizeof(float);
}
virtual void InitParams( CParticleSystemDefinition *pDef )
{
if ( m_nSubdivCount <= 0 )
{
m_nSubdivCount = 1;
}
if ( m_flTexelSizeInUnits <= 0 )
{
m_flTexelSizeInUnits = 1.0f;
}
m_flTStep = 1.0 / m_nSubdivCount;
if ( ( m_bScaleByControlPointDistance || m_bScaleScrollByControlPointDistance || m_bScaleOffsetByControlPointDistance ) && ( m_nScaleCP1 > -1 && m_nScaleCP2 > -1 ) )
m_bUsesCPScaling = true;
else
m_bUsesCPScaling = false;
}
virtual uint64 GetReadControlPointMask() const
{
if ( m_bUsesCPScaling )
return ( 1ULL << m_nScaleCP1 ) | ( 1ULL << m_nScaleCP2 );
return 0;
}
virtual bool IsOrderImportant() const
{
return true;
}
virtual int GetParticlesToRender( CParticleCollection *pParticles, void *pContext, int nFirstParticle, int nRemainingVertices, int nRemainingIndices, int *pVertsUsed, int *pIndicesUsed ) const;
virtual void Render( IMatRenderContext *pRenderContext, CParticleCollection *pParticles, const Vector4D &vecDiffuseModulation, void *pContext, int nViewRecursionDepth ) const;
void RenderSpriteCard( CParticleCollection *pParticles, const Vector4D &vecDiffuseModulation, void *pContext, IMaterial *pMaterial ) const;
virtual void RenderUnsorted( CParticleCollection *pParticles, void *pContext, IMatRenderContext *pRenderContext, CMeshBuilder &meshBuilder, int nVertexOffset, int nFirstParticle, int nParticleCount ) const;
template< class T >
void RenderSpriteCard_Internal( T *pVertices, CCachedParticleBatches *pCachedBatches, IMesh *pMesh, CMeshBuilder &meshBuilder,
int nSegmentsAvailableInBuffer, int nNumSegmentsIWillRenderPerBatch, float flMaterialMappingHeight,
CParticleCollection *pParticles, const Vector4D &vecDiffuseModulation ) const;
int m_nSubdivCount;
int m_nScaleCP1;
int m_nScaleCP2;
float m_flTexelSizeInUnits;
float m_flTextureScale;
float m_flTextureScrollRate;
float m_flTextureOffset;
float m_flTStep;
bool m_bScaleByControlPointDistance;
bool m_bScaleScrollByControlPointDistance;
bool m_bScaleOffsetByControlPointDistance;
bool m_bUsesCPScaling;
CullSystemByControlPointData_t m_cullData;
};
DEFINE_PARTICLE_OPERATOR( C_OP_RenderRope, "render_rope", OPERATOR_SINGLETON );
BEGIN_PARTICLE_OPERATOR_UNPACK( C_OP_RenderRope )
DMXELEMENT_UNPACK_FIELD( "subdivision_count", "3", int, m_nSubdivCount )
DMXELEMENT_UNPACK_FIELD( "texel_size", "4.0f", float, m_flTexelSizeInUnits )
DMXELEMENT_UNPACK_FIELD( "texture_scroll_rate", "0.0f", float, m_flTextureScrollRate )
DMXELEMENT_UNPACK_FIELD( "texture_offset", "0.0f", float, m_flTextureOffset )
DMXELEMENT_UNPACK_FIELD( "scale CP start", "-1", int, m_nScaleCP1 )
DMXELEMENT_UNPACK_FIELD( "scale CP end", "-1", int, m_nScaleCP2 )
DMXELEMENT_UNPACK_FIELD( "scale texture by CP distance", "0", bool, m_bScaleByControlPointDistance )
DMXELEMENT_UNPACK_FIELD( "scale scroll by CP distance", "0", bool, m_bScaleScrollByControlPointDistance )
DMXELEMENT_UNPACK_FIELD( "scale offset by CP distance", "0", bool, m_bScaleOffsetByControlPointDistance )
DMXELEMENT_UNPACK_FIELD( CULL_CP_NORMAL_DESCRIPTOR, "-1", int, m_cullData.m_nCullControlPoint )
DMXELEMENT_UNPACK_FIELD( CULL_RECURSION_DEPTH_DESCRIPTOR, "-1", int, m_cullData.m_nViewRecursionDepthStart )
END_PARTICLE_OPERATOR_UNPACK( C_OP_RenderRope )
//-----------------------------------------------------------------------------
// Returns the number of particles to render
//-----------------------------------------------------------------------------
int C_OP_RenderRope::GetParticlesToRender( CParticleCollection *pParticles,
void *pContext, int nFirstParticle, int nRemainingVertices, int nRemainingIndices,
int *pVertsUsed, int *pIndicesUsed ) const
{
if ( ( nFirstParticle >= pParticles->m_nActiveParticles - 1 ) || ( pParticles->m_nActiveParticles <= 1 ) )
{
*pVertsUsed = 0;
*pIndicesUsed = 0;
return 0;
}
// NOTE: This is only true for particles *after* the first particle.
// First particle takes 2 verts, no indices.
int nVertsPerParticle = 2 * m_nSubdivCount;
int nIndicesPerParticle = 6 * m_nSubdivCount;
// Subtract 2 is because the first particle uses an extra pair of vertices
int nMaxParticleCount = 1 + ( nRemainingVertices - 2 ) / nVertsPerParticle;
int nMaxParticleCount2 = nRemainingIndices / nIndicesPerParticle;
if ( nMaxParticleCount > nMaxParticleCount2 )
{
nMaxParticleCount = nMaxParticleCount2;
}
int nParticleCount = pParticles->m_nActiveParticles - nFirstParticle;
// We can't choose a max particle count so that we only have 1 particle to render next time
if ( nMaxParticleCount == nParticleCount - 1 )
{
--nMaxParticleCount;
Assert( nMaxParticleCount > 0 );
}
if ( nParticleCount > nMaxParticleCount )
{
nParticleCount = nMaxParticleCount;
}
*pVertsUsed = ( nParticleCount - 1 ) * m_nSubdivCount * 2 + 2;
*pIndicesUsed = nParticleCount * m_nSubdivCount * 6;
return nParticleCount;
}
struct FastRopeVertex_t
{
Vector m_vPosition;
int m_vColor;
Vector4D m_vP0;
Vector4D m_vP1;
Vector4D m_vP2;
Vector4D m_vP3;
Vector4D m_vCorners;
Vector4D m_vEndPointColor;
FORCEINLINE void SetNormals( Vector &vecNorm0, Vector &vecNorm1 )
{
// Intentionally do nothing, no normals on a FastRopeVertex_t
}
};
struct FastRopeVertexNormal_t
{
Vector m_vPosition;
int m_vColor;
Vector4D m_vP0;
Vector4D m_vP1;
Vector4D m_vP2;
Vector4D m_vP3;
Vector4D m_vCorners;
Vector4D m_vEndPointColor;
Vector m_vNormal0;
Vector m_vNormal1;
FORCEINLINE void SetNormals( Vector &vecNorm0, Vector &vecNorm1 )
{
m_vNormal0 = vecNorm0;
m_vNormal1 = vecNorm1;
}
};
struct FastRopeVertexNormalCacheAligned_t : public FastRopeVertexNormal_t
{
int m_nPadding[ 2 ];
// On the PC, vertex structures need to be sized in multiples of 16 bytes
FORCEINLINE void Check() { COMPILE_TIME_ASSERT( !IsPC() || ( sizeof( *this ) % 16 ) == 0 ); }
};
template < class T >
FORCEINLINE void Output2SplineVerts( T *&pVertices, int &nVertices, int nPackedColor, float flT, float flU, Vector4D &vecP0, Vector4D &vecP1, Vector4D &vecP2, Vector4D &vecP3, Vector4D &vecEndPointColor, Vector &vecNorm0, Vector &vecNorm1 )
{
pVertices->m_vPosition.Init( flT, flU, 0 );
pVertices->m_vColor = nPackedColor;
pVertices->m_vP0 = vecP0;
pVertices->m_vP1 = vecP1;
pVertices->m_vP2 = vecP2;
pVertices->m_vP3 = vecP3;
pVertices->m_vCorners.Init( 0, 0, 1, 1 );
pVertices->m_vEndPointColor = vecEndPointColor;
pVertices->SetNormals( vecNorm0, vecNorm1 );
pVertices++;
pVertices->m_vPosition.Init( flT, flU, 1 );
pVertices->m_vColor = nPackedColor;
pVertices->m_vP0 = vecP0;
pVertices->m_vP1 = vecP1;
pVertices->m_vP2 = vecP2;
pVertices->m_vP3 = vecP3;
pVertices->m_vCorners.Init( 0, 0, 1, 1 );
pVertices->m_vEndPointColor = vecEndPointColor;
pVertices->SetNormals( vecNorm0, vecNorm1 );
pVertices++;
nVertices += 2;
}
#define OUTPUT_SPLINE_INDICES( nCurIDX ) \
{ \
unsigned short _nIndex = nCurIDX + nIndexOffset; \
*pIndices = TwoIndices( _nIndex, _nIndex + 1 ); pIndices++; \
*pIndices = TwoIndices( _nIndex + 2, _nIndex + 1 ); pIndices++; \
*pIndices = TwoIndices( _nIndex + 3, _nIndex + 2 ); pIndices++; \
nIndices += 6; \
}
template< class T >
void C_OP_RenderRope::RenderSpriteCard_Internal( T *pVertices, CCachedParticleBatches *pCachedBatches, IMesh *pMesh, CMeshBuilder &meshBuilder,
int nSegmentsAvailableInBuffer, int nNumSegmentsIWillRenderPerBatch, float flMaterialMappingHeight,
CParticleCollection *pParticles, const Vector4D &vecDiffuseModulation ) const
{
uint32 *pIndices = (uint32*)( meshBuilder.BaseIndexData() + meshBuilder.GetCurrentIndex() );
int nIndexOffset = meshBuilder.GetIndexOffset();
int nParticles = pParticles->m_nActiveParticles;
int nSegmentsToRender = nParticles - 1;
const float *pXYZ = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_XYZ, 0 );
const float *pColor = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_TINT_RGB, 0 );
const float *pRadius = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_RADIUS, 0 );
const float *pAlpha = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_ALPHA, 0 );
const float *pAlpha2 = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_ALPHA2, 0 );
const float *pNorm = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_NORMAL, 0 );
bool bFirstPoint = true;
float flTextureScrollRate = m_flTextureScrollRate;
float flU = m_flTextureOffset;
float flDist = 0;
float flOffsetScaled = m_flTextureOffset / flMaterialMappingHeight;
float flTextureScale = m_flTexelSizeInUnits;
if ( m_bUsesCPScaling )
{
flDist = pParticles->GetControlPointAtCurrentTime( m_nScaleCP1 ).DistTo( pParticles->GetControlPointAtCurrentTime( m_nScaleCP2 ) );
if ( m_bScaleByControlPointDistance )
{
flTextureScale = 1.0f / ( ( flDist * m_flTexelSizeInUnits ) + FLT_EPSILON );
}
if ( m_bScaleScrollByControlPointDistance )
{
flTextureScrollRate *= ( flDist / flMaterialMappingHeight ) * flTextureScale;
}
if ( m_bScaleOffsetByControlPointDistance )
{
flOffsetScaled += flOffsetScaled * ( flDist / flMaterialMappingHeight );
}
}
flTextureScrollRate *= pParticles->m_flCurTime;
flOffsetScaled += flTextureScrollRate;
flU += flOffsetScaled;
// initialize first spline segment
Vector4D vecP1( pXYZ[0], pXYZ[4], pXYZ[8], pRadius[0] );
Vector4D vecP2( pXYZ[1], pXYZ[5], pXYZ[9], pRadius[1] );
Vector4D vecP0 = vecP1;
Vector vecNorm0( pNorm[0], pNorm[4], pNorm[8] );
Vector vecNorm1( pNorm[1], pNorm[5], pNorm[9] );
uint8 nRed = FastFToC( pColor[0] );
uint8 nGreen = FastFToC( pColor[4] );
uint8 nBlue = FastFToC( pColor[8] );
uint8 nAlpha = FastFToC( pAlpha[0] * pAlpha2[0] );
Vector4D vecDelta = vecP2;
vecDelta -= vecP1;
vecP0 -= vecDelta;
Vector4D vecP3;
Vector4D vecEndPointColor( pColor[1], pColor[5], pColor[9], pAlpha[1] * pAlpha2[1] );
if ( nParticles < 3 )
{
vecP3 = vecP2;
vecP3 += vecDelta;
}
else
{
vecP3.Init( pXYZ[2], pXYZ[6], pXYZ[10], pRadius[2] );
}
int nPnt = 3;
int nCurIDX = 0;
int nVertices = 0;
int nIndices = 0;
float flDUScale = ( m_flTStep * flTextureScale );
float flT = 0;
int nBatchCount = 0;
do
{
if ( !nSegmentsAvailableInBuffer )
{
meshBuilder.AdvanceVerticesF<VTX_HAVEPOS | VTX_HAVECOLOR, 8>( nVertices );
meshBuilder.AdvanceIndices( nIndices );
meshBuilder.End();
// Store this off for the next frame
if ( pCachedBatches )
{
pCachedBatches->SetCachedBatch( nBatchCount, pMesh->GetCachedPerFrameMeshData() );
nBatchCount++;
}
int nNumIndicesPerSegment = 6 * m_nSubdivCount;
int nNumVerticesPerSegment = 2 * m_nSubdivCount;
pMesh->DrawModulated( vecDiffuseModulation );
meshBuilder.Begin( pMesh, MATERIAL_TRIANGLES, 2 + nNumSegmentsIWillRenderPerBatch * nNumVerticesPerSegment,
nNumIndicesPerSegment * nNumSegmentsIWillRenderPerBatch );
pIndices = (uint32*)( meshBuilder.BaseIndexData() + meshBuilder.GetCurrentIndex() );
nIndexOffset = meshBuilder.GetIndexOffset();
pVertices = (T*)meshBuilder.GetVertexDataPtr( sizeof( T ) );
nVertices = 0;
nIndices = 0;
// copy the last emitted points
int nPackedColor = PackRGBToPlatformColor( nRed, nGreen, nBlue, nAlpha );
Output2SplineVerts( pVertices, nVertices, nPackedColor, flT, flU, vecP0, vecP1, vecP2, vecP3, vecEndPointColor, vecNorm0, vecNorm1 );
nSegmentsAvailableInBuffer = nNumSegmentsIWillRenderPerBatch;
nCurIDX = 0;
}
nSegmentsAvailableInBuffer--;
flT = 0.;
float flDu = flDUScale * ( vecP2.AsVector3D() - vecP1.AsVector3D() ).Length();
// Vertices first
int nPackedColor = PackRGBToPlatformColor( nRed, nGreen, nBlue, nAlpha );
for( int nSlice = 0 ; nSlice < m_nSubdivCount; nSlice++ )
{
Output2SplineVerts( pVertices, nVertices, nPackedColor, flT, flU, vecP0, vecP1, vecP2, vecP3, vecEndPointColor, vecNorm0, vecNorm1 );
flT += m_flTStep;
flU += flDu;
}
// Indices second, but output m_nSubdivCount-1 indices if it's our first time through
for( int nSlice = bFirstPoint ? 1 : 0 ; nSlice < m_nSubdivCount; nSlice++ )
{
OUTPUT_SPLINE_INDICES( nCurIDX );
nCurIDX += 2;
}
bFirstPoint = false;
// next segment
if ( nSegmentsToRender > 1 )
{
vecP0 = vecP1;
vecP1 = vecP2;
vecP2 = vecP3;
nRed = FastFToC( vecEndPointColor.x );
nGreen = FastFToC( vecEndPointColor.y );
nBlue = FastFToC( vecEndPointColor.z );
nAlpha = FastFToC( vecEndPointColor.w );
vecNorm0 = vecNorm1;
const float *pRadius = pParticles->GetFloatAttributePtr(
PARTICLE_ATTRIBUTE_RADIUS, nPnt );
const float *pAlpha = pParticles->GetFloatAttributePtr(
PARTICLE_ATTRIBUTE_ALPHA, nPnt -1 );
const float *pAlpha2 = pParticles->GetFloatAttributePtr(
PARTICLE_ATTRIBUTE_ALPHA2, nPnt - 1 );
const float *pColor = pParticles->GetFloatAttributePtr(
PARTICLE_ATTRIBUTE_TINT_RGB, nPnt - 1 );
vecEndPointColor.Init( pColor[0], pColor[4], pColor[8], pAlpha[0] * pAlpha2[0] );
if ( nPnt < nParticles )
{
pXYZ = pParticles->GetFloatAttributePtr(
PARTICLE_ATTRIBUTE_XYZ, nPnt );
vecP3.Init( pXYZ[0], pXYZ[4], pXYZ[8], pRadius[0] );
pNorm = pParticles->GetFloatAttributePtr(
PARTICLE_ATTRIBUTE_NORMAL, nPnt );
vecNorm1.Init( pNorm[0], pNorm[4], pNorm[8] );
nPnt++;
}
else
{
// fake last point by extrapolating
vecP3 += vecP2;
vecP3 -= vecP1;
}
}
} while( --nSegmentsToRender );
// output last piece
int nPackedColor = PackRGBToPlatformColor( nRed, nGreen, nBlue, nAlpha );
Output2SplineVerts( pVertices, nVertices, nPackedColor, 1.0, flU, vecP0, vecP1, vecP2, vecP3, vecEndPointColor, vecNorm0, vecNorm1 );
OUTPUT_SPLINE_INDICES( nCurIDX );
meshBuilder.AdvanceVerticesF<VTX_HAVEPOS | VTX_HAVECOLOR, 8>( nVertices );
meshBuilder.AdvanceIndices( nIndices );
meshBuilder.End();
// Store this off for the next frame
if ( pCachedBatches )
{
pCachedBatches->SetCachedBatch( nBatchCount, pMesh->GetCachedPerFrameMeshData() );
}
pMesh->DrawModulated( vecDiffuseModulation );
}
void C_OP_RenderRope::RenderSpriteCard( CParticleCollection *pParticles, const Vector4D &vecDiffuseModulation, void *pContext, IMaterial *pMaterial ) const
{
int nParticles = pParticles->m_nActiveParticles;
int nSegmentsToRender = nParticles - 1;
if ( ! nSegmentsToRender )
return;
// Reset the particle cache if we're sprite card material (doesn't use camerapos) and isn't sorted
bool bShouldSort = pParticles->m_pDef->m_bShouldSort;
CCachedParticleBatches *pCachedBatches = NULL;
MaterialThreadMode_t nThreadMode = g_pMaterialSystem->GetThreadMode();
if ( nThreadMode != MATERIAL_SINGLE_THREADED && !bShouldSort )
{
pParticles->ResetParticleCache();
pCachedBatches = pParticles->GetCachedParticleBatches();
}
CMatRenderContextPtr pRenderContext( g_pMaterialSystem );
pRenderContext->Bind( pMaterial );
int nMaxVertices = pRenderContext->GetMaxVerticesToRender( pMaterial );
int nMaxIndices = pRenderContext->GetMaxIndicesToRender();
int nNumIndicesPerSegment = 6 * m_nSubdivCount;
int nNumVerticesPerSegment = 2 * m_nSubdivCount;
int nNumSegmentsPerBatch = MIN( ( nMaxVertices - 2 )/nNumVerticesPerSegment,
( nMaxIndices ) / nNumIndicesPerSegment );
int nNumSegmentsIWillRenderPerBatch = MIN( nNumSegmentsPerBatch, nSegmentsToRender );
int nSegmentsAvailableInBuffer = nNumSegmentsIWillRenderPerBatch;
// Early out in the case of having cached batches
int nBatchCount = 0;
ICachedPerFrameMeshData *pCachedBatch = pCachedBatches ? pCachedBatches->GetCachedBatch( nBatchCount ) : NULL;
if ( pCachedBatch )
{
do
{
if ( !nSegmentsAvailableInBuffer )
{
IMesh *pMesh = pRenderContext->GetDynamicMesh( true );
pMesh->ReconstructFromCachedPerFrameMeshData( pCachedBatch );
pMesh->DrawModulated( vecDiffuseModulation );
nSegmentsAvailableInBuffer = nNumSegmentsIWillRenderPerBatch;
// Next cached batch
pCachedBatch = pCachedBatches->GetCachedBatch( ++nBatchCount );
}
int nSegs = MIN(nSegmentsToRender, nSegmentsAvailableInBuffer);
nSegmentsToRender -= nSegs;
nSegmentsAvailableInBuffer -= nSegs;
} while( nSegmentsToRender );
// Render the last batch
IMesh *pMesh = pRenderContext->GetDynamicMesh( true );
pMesh->ReconstructFromCachedPerFrameMeshData( pCachedBatch );
pMesh->DrawModulated( vecDiffuseModulation );
return;
}
IMesh* pMesh = pRenderContext->GetDynamicMesh( true );
CMeshBuilder meshBuilder;
meshBuilder.Begin( pMesh, MATERIAL_TRIANGLES,
2 + nNumSegmentsIWillRenderPerBatch * nNumVerticesPerSegment,
nNumIndicesPerSegment * nNumSegmentsIWillRenderPerBatch );
if ( meshBuilder.m_ActualVertexSize == 0 )
{
// We're likely in alt+tab, and since we're using fast vertex/index routines, we need to see if we're writing into valid vertex data
meshBuilder.End();
return;
}
FastRopeVertex_t *pVertices = (FastRopeVertex_t*)meshBuilder.GetVertexDataPtr( sizeof( FastRopeVertex_t ) );
if ( pVertices )
{
// No normal components in ropes
RenderSpriteCard_Internal( pVertices, pCachedBatches, pMesh, meshBuilder, nSegmentsAvailableInBuffer, nNumSegmentsIWillRenderPerBatch, pMaterial->GetMappingHeight(), pParticles, vecDiffuseModulation );
}
else
{
// Two normal components in ropes
FastRopeVertexNormal_t *pVerticesNormal = (FastRopeVertexNormal_t*)meshBuilder.GetVertexDataPtr( sizeof( FastRopeVertexNormal_t ) );
if ( pVerticesNormal )
{
RenderSpriteCard_Internal( pVerticesNormal, pCachedBatches, pMesh, meshBuilder, nSegmentsAvailableInBuffer, nNumSegmentsIWillRenderPerBatch, pMaterial->GetMappingHeight(), pParticles, vecDiffuseModulation );
}
else
{
// Cached aligned
FastRopeVertexNormalCacheAligned_t *pVerticesNormalCacheAligned = (FastRopeVertexNormalCacheAligned_t*)meshBuilder.GetVertexDataPtr( sizeof( FastRopeVertexNormalCacheAligned_t ) );
if ( pVerticesNormalCacheAligned )
{
RenderSpriteCard_Internal( pVerticesNormalCacheAligned, pCachedBatches, pMesh, meshBuilder, nSegmentsAvailableInBuffer, nNumSegmentsIWillRenderPerBatch, pMaterial->GetMappingHeight(), pParticles, vecDiffuseModulation );
}
else
{
Assert( 0 );
}
}
}
}
//-----------------------------------------------------------------------------
// Renders particles, sorts them (?)
//-----------------------------------------------------------------------------
void C_OP_RenderRope::Render( IMatRenderContext *pRenderContext, CParticleCollection *pParticles, const Vector4D &vecDiffuseModulation, void *pContext, int nViewRecursionDepth ) const
{
// See if we need to cull this system
if ( ShouldCullParticleSystem( &m_cullData, pParticles, pRenderContext, nViewRecursionDepth ) )
return;
IMaterial *pMaterial = pParticles->m_pDef->GetMaterial();
if ( pMaterial->IsSpriteCard() )
{
RenderSpriteCard( pParticles, vecDiffuseModulation, pContext, pMaterial );
return;
}
pRenderContext->Bind( pMaterial );
int nMaxVertices = pRenderContext->GetMaxVerticesToRender( pMaterial );
int nMaxIndices = pRenderContext->GetMaxIndicesToRender();
int nParticles = pParticles->m_nActiveParticles;
int nFirstParticle = 0;
while ( nParticles )
{
int nVertCount, nIndexCount;
int nParticlesInBatch = GetParticlesToRender( pParticles, pContext, nFirstParticle, nMaxVertices, nMaxIndices, &nVertCount, &nIndexCount );
if ( nParticlesInBatch == 0 )
break;
nParticles -= nParticlesInBatch;
IMesh* pMesh = pRenderContext->GetDynamicMesh( true );
CMeshBuilder meshBuilder;
meshBuilder.Begin( pMesh, MATERIAL_TRIANGLES, nVertCount, nIndexCount );
RenderUnsorted( pParticles, pContext, pRenderContext, meshBuilder, 0, nFirstParticle, nParticlesInBatch );
meshBuilder.End();
pMesh->DrawModulated( vecDiffuseModulation );
nFirstParticle += nParticlesInBatch;
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void C_OP_RenderRope::RenderUnsorted( CParticleCollection *pParticles, void *pContext, IMatRenderContext *pRenderContext, CMeshBuilder &meshBuilder, int nVertexOffset, int nFirstParticle, int nParticleCount ) const
{
IMaterial *pMaterial = pParticles->m_pDef->GetMaterial();
// Right now we only have a meshbuilder version!
Assert( pMaterial->IsSpriteCard() == false );
if ( pMaterial->IsSpriteCard() )
return;
RenderRopeContext_t *pCtx = reinterpret_cast<RenderRopeContext_t *>( pContext );
float *pSubdivList = (float*)( pCtx + 1 );
if ( nFirstParticle == 0 )
{
pCtx->m_flRenderedRopeLength = 0.0f;
}
float flTexOffset = m_flTextureScrollRate;
float flTextureScale = m_flTextureScale;
RopeRenderInfo_t info;
info.Init( pParticles );
flTexOffset *= pParticles->m_flCurTime;
float flDist = 0;
float flOffsetScaled = m_flTextureOffset;
if ( m_bUsesCPScaling )
{
flDist = pParticles->GetControlPointAtCurrentTime( m_nScaleCP1 ).DistTo( pParticles->GetControlPointAtCurrentTime( m_nScaleCP2 ) );
if ( m_bScaleByControlPointDistance ) // scale by distance to first control point?
{
flTextureScale = 1.0f / ( ( flDist * m_flTexelSizeInUnits ) + FLT_EPSILON );
}
if ( m_bScaleScrollByControlPointDistance )
{
flOffsetScaled *= ( flDist / pMaterial->GetMappingHeight() );
}
if ( m_bScaleOffsetByControlPointDistance )
{
flOffsetScaled += m_flTextureOffset * ( flDist / pMaterial->GetMappingHeight() );
}
}
flTexOffset += flOffsetScaled;
CBeamSegDraw beamSegment;
beamSegment.Start( pRenderContext, ( nParticleCount - 1 ) * m_nSubdivCount + 1, pMaterial, &meshBuilder, nVertexOffset );
Vector vecCatmullRom[4];
BeamSeg_t seg[2];
info.GenerateSeg( nFirstParticle, seg[0] );
seg[0].m_flTexCoord = ( pCtx->m_flRenderedRopeLength + flTexOffset ) * flTextureScale;
beamSegment.NextSeg( &seg[0] );
vecCatmullRom[1] = seg[0].m_vPos;
if ( nFirstParticle == 0 )
{
vecCatmullRom[0] = vecCatmullRom[1];
}
else
{
int nGroup = ( nFirstParticle-1 ) / 4;
int nOffset = ( nFirstParticle-1 ) & 0x3;
int nXYZIndex = nGroup * info.m_nXYZStride;
vecCatmullRom[0].Init( SubFloat( info.m_pXYZ[ nXYZIndex ], nOffset ), SubFloat( info.m_pXYZ[ nXYZIndex+1 ], nOffset ), SubFloat( info.m_pXYZ[ nXYZIndex+2 ], nOffset ) );
}
float flOOSubDivCount = 1.0f / m_nSubdivCount;
int hParticle = nFirstParticle + 1;
for ( int i = 1; i < nParticleCount; ++i, ++hParticle )
{
int nCurr = i & 1;
int nPrev = 1 - nCurr;
info.GenerateSeg( hParticle, seg[nCurr] );
pCtx->m_flRenderedRopeLength += seg[nCurr].m_vPos.DistTo( seg[nPrev].m_vPos );
seg[nCurr].m_flTexCoord = ( pCtx->m_flRenderedRopeLength + flTexOffset ) * flTextureScale;
if ( m_nSubdivCount > 1 )
{
vecCatmullRom[ (i+1) & 0x3 ] = seg[nCurr].m_vPos;
if ( hParticle != info.m_pParticles->m_nActiveParticles - 1 )
{
int nGroup = ( hParticle+1 ) / 4;
int nOffset = ( hParticle+1 ) & 0x3;
int nXYZIndex = nGroup * info.m_nXYZStride;
vecCatmullRom[ (i+2) & 0x3 ].Init( SubFloat( info.m_pXYZ[ nXYZIndex ], nOffset ), SubFloat( info.m_pXYZ[ nXYZIndex+1 ], nOffset ), SubFloat( info.m_pXYZ[ nXYZIndex+2 ], nOffset ) );
}
else
{
vecCatmullRom[ (i+2) & 0x3 ] = vecCatmullRom[ (i+1) & 0x3 ];
}
BeamSeg_t &subDivSeg = seg[nPrev];
Vector4D vecColor, vecNextColor;
seg[nPrev].GetColor( &vecColor );
seg[nCurr].GetColor( &vecNextColor );
Vector4D vecColorInc;
Vector4DSubtract( vecNextColor, vecColor, vecColorInc );
vecColorInc *= flOOSubDivCount;
float flTexcoordInc = ( seg[nCurr].m_flTexCoord - seg[nPrev].m_flTexCoord ) * flOOSubDivCount;
float flWidthInc = ( seg[nCurr].m_flWidth - seg[nPrev].m_flWidth ) * flOOSubDivCount;
for( int iSubdiv = 1; iSubdiv < m_nSubdivCount; ++iSubdiv )
{
vecColor += vecColorInc;
subDivSeg.SetColor( vecColor.x, vecColor.y, vecColor.z, vecColor.w );
subDivSeg.m_flTexCoord += flTexcoordInc;
subDivSeg.m_flWidth += flWidthInc;
Catmull_Rom_Spline( vecCatmullRom[ (i+3) & 0x3 ], vecCatmullRom[ i & 0x3 ],
vecCatmullRom[ (i+1) & 0x3 ], vecCatmullRom[ (i+2) & 0x3 ],
pSubdivList[iSubdiv], subDivSeg.m_vPos );
beamSegment.NextSeg( &subDivSeg );
}
}
beamSegment.NextSeg( &seg[nCurr] );
}
beamSegment.End();
}
#ifdef USE_BLOBULATOR // Enable blobulator for EP3
//-----------------------------------------------------------------------------
// Installs renderers
//-----------------------------------------------------------------------------
class C_OP_RenderBlobs : public CParticleRenderOperatorInstance
{
DECLARE_PARTICLE_OPERATOR( C_OP_RenderBlobs );
float m_cubeWidth;
float m_cutoffRadius;
float m_renderRadius;
struct C_OP_RenderBlobsContext_t
{
CParticleVisibilityData m_VisibilityData;
int m_nQueryHandle;
};
virtual uint64 GetReadControlPointMask() const
{
uint64 nMask = 0;
if ( VisibilityInputs.m_nCPin >= 0 )
nMask |= 1ULL << VisibilityInputs.m_nCPin;
return nMask;
}
size_t GetRequiredContextBytes( void ) const
{
return sizeof( C_OP_RenderBlobsContext_t );
}
virtual void InitializeContextData( CParticleCollection *pParticles, void *pContext ) const
{
C_OP_RenderBlobsContext_t *pCtx = reinterpret_cast<C_OP_RenderBlobsContext_t *>( pContext );
if ( ( VisibilityInputs.m_nCPin >= 0 ) || ( VisibilityInputs.m_flRadiusScaleFOVBase > 0 ) )
pCtx->m_VisibilityData.m_bUseVisibility = true;
else
pCtx->m_VisibilityData.m_bUseVisibility = false;
}
uint32 GetWrittenAttributes( void ) const
{
return 0;
}
uint32 GetReadAttributes( void ) const
{
return PARTICLE_ATTRIBUTE_XYZ_MASK;
}
virtual void Render( IMatRenderContext *pRenderContext, CParticleCollection *pParticles, const Vector4D &vecDiffuseModulation, void *pContext, int nViewRecursionDepth ) const;
virtual bool IsBatchable() const
{
return false;
}
};
DEFINE_PARTICLE_OPERATOR( C_OP_RenderBlobs, "render_blobs", OPERATOR_SINGLETON );
BEGIN_PARTICLE_RENDER_OPERATOR_UNPACK( C_OP_RenderBlobs )
DMXELEMENT_UNPACK_FIELD( "cube_width", "1.0f", float, m_cubeWidth )
DMXELEMENT_UNPACK_FIELD( "cutoff_radius", "3.3f", float, m_cutoffRadius )
DMXELEMENT_UNPACK_FIELD( "render_radius", "1.3f", float, m_renderRadius )
END_PARTICLE_OPERATOR_UNPACK( C_OP_RenderBlobs )
void C_OP_RenderBlobs::Render( IMatRenderContext *pRenderContext, CParticleCollection *pParticles, const Vector4D &vecDiffuseModulation, void *pContext, int nViewRecursionDepth ) const
{
C_OP_RenderBlobsContext_t *pCtx = reinterpret_cast<C_OP_RenderBlobsContext_t *>( pContext );
if ( pCtx->m_VisibilityData.m_bUseVisibility )
{
SetupParticleVisibility( pParticles, &pCtx->m_VisibilityData, &VisibilityInputs, &pCtx->m_nQueryHandle, pRenderContext );
}
#if 0
// Note: it is not good to have these static variables here.
static RENDERER_CLASS* sweepRenderer = NULL;
static ImpTiler* tiler = NULL;
if(!sweepRenderer)
{
sweepRenderer = new RENDERER_CLASS();
tiler = new ImpTiler(sweepRenderer);
}
#endif
IMaterial *pMaterial = pParticles->m_pDef->GetMaterial();
// TODO: I don't need to load this as a sorted list. See Lennard Jones forces for better way!
int nParticles;
const ParticleRenderData_t *pSortList = pParticles->GetRenderList( pRenderContext, false, &nParticles, &pCtx->m_VisibilityData );
size_t xyz_stride;
const fltx4 *xyz = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_XYZ, &xyz_stride );
Vector bbMin;
Vector bbMax;
pParticles->GetBounds( &bbMin, &bbMax );
Vector bbCenter = 0.5f * ( bbMin + bbMax );
// FIXME: Make this configurable. Not all shaders perform lighting. Although it's pretty likely for isosurface shaders.
g_pParticleSystemMgr->Query()->SetUpLightingEnvironment( bbCenter );
ImpParticleList particleList;
particleList.EnsureCount( nParticles );
for( int i = 0; i < nParticles; i++ )
{
int hParticle = (--pSortList)->m_nIndex;
int nIndex = ( hParticle / 4 ) * xyz_stride;
int nOffset = hParticle & 0x3;
float x = SubFloat( xyz[nIndex], nOffset );
float y = SubFloat( xyz[nIndex+1], nOffset );
float z = SubFloat( xyz[nIndex+2], nOffset );
ImpParticle* imp_particle = &particleList[i];
imp_particle->center[0]=x;
imp_particle->center[1]=y;
imp_particle->center[2]=z;
imp_particle->setFieldScale(1.0f);
}
Blobulator::BlobRenderInfo_t blobRenderInfo;
blobRenderInfo.m_flCubeWidth = m_cubeWidth;
blobRenderInfo.m_flCutoffRadius = m_cutoffRadius;
blobRenderInfo.m_flRenderRadius = m_renderRadius;
blobRenderInfo.m_flViewScale = ( nViewRecursionDepth == 0 ) ? 1.f : 1.6f;
blobRenderInfo.m_nViewID = nViewRecursionDepth;
Blobulator::RenderBlob( true, pRenderContext, pMaterial, blobRenderInfo, NULL, 0, particleList.Base(), nParticles );
}
#endif //blobs
//-----------------------------------------------------------------------------
// Installs renderers
//-----------------------------------------------------------------------------
class C_OP_RenderScreenVelocityRotate : public CParticleRenderOperatorInstance
{
DECLARE_PARTICLE_OPERATOR( C_OP_RenderScreenVelocityRotate );
float m_flRotateRateDegrees;
float m_flForwardDegrees;
struct C_OP_RenderScreenVelocityRotateContext_t
{
CParticleVisibilityData m_VisibilityData;
int m_nQueryHandle;
};
size_t GetRequiredContextBytes( void ) const
{
return sizeof( C_OP_RenderScreenVelocityRotateContext_t );
}
virtual uint64 GetReadControlPointMask() const
{
uint64 nMask = 0;
if ( VisibilityInputs.m_nCPin >= 0 )
nMask |= 1ULL << VisibilityInputs.m_nCPin;
return nMask;
}
virtual void InitializeContextData( CParticleCollection *pParticles, void *pContext ) const
{
C_OP_RenderScreenVelocityRotateContext_t *pCtx = reinterpret_cast<C_OP_RenderScreenVelocityRotateContext_t *>( pContext );
if ( ( VisibilityInputs.m_nCPin >= 0 ) || ( VisibilityInputs.m_flRadiusScaleFOVBase > 0 ) )
pCtx->m_VisibilityData.m_bUseVisibility = true;
else
pCtx->m_VisibilityData.m_bUseVisibility = false;
}
uint32 GetWrittenAttributes( void ) const
{
return PARTICLE_ATTRIBUTE_ROTATION_MASK;
}
uint32 GetReadAttributes( void ) const
{
return PARTICLE_ATTRIBUTE_XYZ_MASK | PARTICLE_ATTRIBUTE_PREV_XYZ_MASK | PARTICLE_ATTRIBUTE_ROTATION_MASK ;
}
virtual void Render( IMatRenderContext *pRenderContext, CParticleCollection *pParticles, const Vector4D &vecDiffuseModulation, void *pContext, int nViewRecursionDepth ) const;
};
DEFINE_PARTICLE_OPERATOR( C_OP_RenderScreenVelocityRotate, "render_screen_velocity_rotate", OPERATOR_SINGLETON );
BEGIN_PARTICLE_RENDER_OPERATOR_UNPACK( C_OP_RenderScreenVelocityRotate )
DMXELEMENT_UNPACK_FIELD( "rotate_rate(dps)", "0.0f", float, m_flRotateRateDegrees )
DMXELEMENT_UNPACK_FIELD( "forward_angle", "-90.0f", float, m_flForwardDegrees )
END_PARTICLE_OPERATOR_UNPACK( C_OP_RenderScreenVelocityRotate )
void C_OP_RenderScreenVelocityRotate::Render( IMatRenderContext *pRenderContext, CParticleCollection *pParticles, const Vector4D &vecDiffuseModulation, void *pContext, int nViewRecursionDepth ) const
{
C_OP_RenderScreenVelocityRotateContext_t *pCtx = reinterpret_cast<C_OP_RenderScreenVelocityRotateContext_t *>( pContext );
if ( pCtx->m_VisibilityData.m_bUseVisibility )
{
SetupParticleVisibility( pParticles, &pCtx->m_VisibilityData, &VisibilityInputs, &pCtx->m_nQueryHandle, pRenderContext );
}
// NOTE: This is interesting to support because at first we won't have all the various
// pixel-shader versions of SpriteCard, like modulate, twotexture, etc. etc.
VMatrix tempView;
// Store matrices off so we can restore them in RenderEnd().
pRenderContext->GetMatrix(MATERIAL_VIEW, &tempView);
int nParticles;
const ParticleRenderData_t *pSortList = pParticles->GetRenderList( pRenderContext, false, &nParticles, &pCtx->m_VisibilityData );
size_t xyz_stride;
const fltx4 *xyz = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_XYZ, &xyz_stride );
size_t prev_xyz_stride;
const fltx4 *prev_xyz = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_PREV_XYZ, &prev_xyz_stride );
size_t rot_stride;
// const fltx4 *pRot = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_ROTATION, &rot_stride );
fltx4 *pRot = pParticles->GetM128AttributePtrForWrite( PARTICLE_ATTRIBUTE_ROTATION, &rot_stride );
float flForwardRadians = m_flForwardDegrees * ( M_PI / 180.0f );
//float flRotateRateRadians = m_flRotateRateDegrees * ( M_PI / 180.0f );
for( int i = 0; i < nParticles; i++ )
{
int hParticle = (--pSortList)->m_nIndex;
int nGroup = ( hParticle / 4 );
int nOffset = hParticle & 0x3;
int nXYZIndex = nGroup * xyz_stride;
Vector vecWorldPos( SubFloat( xyz[ nXYZIndex ], nOffset ), SubFloat( xyz[ nXYZIndex+1 ], nOffset ), SubFloat( xyz[ nXYZIndex+2 ], nOffset ) );
Vector vecViewPos;
Vector3DMultiplyPosition( tempView, vecWorldPos, vecViewPos );
if (!IsFinite(vecViewPos.x))
continue;
int nPrevXYZIndex = nGroup * prev_xyz_stride;
Vector vecPrevWorldPos( SubFloat( prev_xyz[ nPrevXYZIndex ], nOffset ), SubFloat( prev_xyz[ nPrevXYZIndex+1 ], nOffset ), SubFloat( prev_xyz[ nPrevXYZIndex+2 ], nOffset ) );
Vector vecPrevViewPos;
Vector3DMultiplyPosition( tempView, vecPrevWorldPos, vecPrevViewPos );
float rot = atan2( vecViewPos.y - vecPrevViewPos.y, vecViewPos.x - vecPrevViewPos.x ) + flForwardRadians;
SubFloat( pRot[ nGroup * rot_stride ], nOffset ) = rot;
}
}
#define MAX_MODEL_CHOICES 1
class C_OP_RenderModels : public CParticleRenderOperatorInstance
{
DECLARE_PARTICLE_OPERATOR( C_OP_RenderModels );
uint32 GetReadAttributes( void ) const
{
return PARTICLE_ATTRIBUTE_XYZ_MASK | PARTICLE_ATTRIBUTE_SEQUENCE_NUMBER_MASK | PARTICLE_ATTRIBUTE_TINT_RGB_MASK | PARTICLE_ATTRIBUTE_ALPHA_MASK | PARTICLE_ATTRIBUTE_ALPHA2_MASK | PARTICLE_ATTRIBUTE_RADIUS_MASK |
PARTICLE_ATTRIBUTE_ROTATION_MASK | PARTICLE_ATTRIBUTE_YAW_MASK | PARTICLE_ATTRIBUTE_PITCH_MASK | PARTICLE_ATTRIBUTE_NORMAL_MASK | 1 << m_nAnimationScaleField;
}
uint32 GetWrittenAttributes( void ) const
{
return 0;
}
virtual bool IsBatchable() const
{
return false;
}
virtual void Render( IMatRenderContext *pRenderContext, CParticleCollection *pParticles, const Vector4D &vecDiffuseModulation, void *pContext, int nViewRecursionDepth ) const;
virtual void Precache( void );
char m_ActivityName[256];
char m_pszModelNames[ MAX_MODEL_CHOICES ][256];
void *m_pModels[ MAX_MODEL_CHOICES ];
bool m_bOrientZ;
bool m_bScaleAnimationRate;
int m_nAnimationScaleField;
int m_nSkin;
int m_nActivity;
float m_flAnimationRate;
};
DEFINE_PARTICLE_OPERATOR( C_OP_RenderModels, "Render models", OPERATOR_SINGLETON );
BEGIN_PARTICLE_RENDER_OPERATOR_UNPACK( C_OP_RenderModels )
DMXELEMENT_UNPACK_FIELD_STRING_USERDATA( "sequence 0 model", "NONE", m_pszModelNames[0], "mdlPicker" )
DMXELEMENT_UNPACK_FIELD( "animation rate", "30.0", float, m_flAnimationRate )
DMXELEMENT_UNPACK_FIELD( "scale animation rate", "0", bool, m_bScaleAnimationRate )
DMXELEMENT_UNPACK_FIELD_USERDATA( "animation rate scale field", "10", int, m_nAnimationScaleField, "intchoice particlefield_scalar" )
DMXELEMENT_UNPACK_FIELD( "orient model z to normal", "0", bool, m_bOrientZ )
DMXELEMENT_UNPACK_FIELD( "skin number", "0", int, m_nSkin )
DMXELEMENT_UNPACK_FIELD_STRING( "activity override", "", m_ActivityName )
END_PARTICLE_OPERATOR_UNPACK( C_OP_RenderModels )
void C_OP_RenderModels::Precache( void )
{
// this is the the render operator sequences above, as each one has to be hard coded
Assert( MAX_MODEL_CHOICES == 1 );
for( int i = 0; i < MAX_MODEL_CHOICES ; i++ )
{
m_pModels[ i ] = g_pParticleSystemMgr->Query()->GetModel( m_pszModelNames[i] );
}
// Have to do this here or the model isn't loaded yet
if ( V_strcmp( m_ActivityName, "" ) )
m_nActivity = g_pParticleSystemMgr->Query()->GetActivityNumber( m_pModels[ 0 ], m_ActivityName );
else
m_nActivity = -1;
}
// return a vector perpendicular to another, with smooth variation
static void AVectorPerpendicularToVector( Vector const &in, Vector *pvecOut )
{
float flY = in.y * in.y;
pvecOut->x = RemapVal( flY, 0, 1, in.z, 1 );
pvecOut->y = 0;
pvecOut->z = -in.x;
pvecOut->NormalizeInPlace();
float flDot = DotProduct( *pvecOut, in );
*pvecOut -= flDot * in;
pvecOut->NormalizeInPlace();
}
void C_OP_RenderModels::Render( IMatRenderContext *pRenderContext, CParticleCollection *pParticles, const Vector4D &vecDiffuseModulation, void *pContext, int nViewRecursionDepth ) const
{
int nNumParticles;
CParticleVisibilityData visibilityData;
visibilityData.m_flAlphaVisibility = 1.0;
visibilityData.m_flRadiusVisibility = 1.0;
visibilityData.m_bUseVisibility = false;
const ParticleRenderData_t *pRenderList =
pParticles->GetRenderList( pRenderContext, false, &nNumParticles, &visibilityData );
g_pParticleSystemMgr->Query()->BeginDrawModels( nNumParticles, pParticles->m_Center, pParticles );
size_t xyz_stride;
const fltx4 *xyz = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_XYZ, &xyz_stride );
size_t seq_stride;
const fltx4 *pSequenceNumber = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_SEQUENCE_NUMBER, &seq_stride );
size_t seq1_stride;
const fltx4 *pSequence1Number = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_SEQUENCE_NUMBER1, &seq1_stride );
size_t rgb_stride;
const fltx4 *pRGB = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_TINT_RGB, &rgb_stride );
size_t nAlphaStride;
const fltx4 *pAlpha = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_ALPHA, &nAlphaStride );
size_t nAlpha2Stride;
const fltx4 *pAlpha2 = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_ALPHA2, &nAlpha2Stride );
size_t nRadStride;
const fltx4 *pRadius = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_RADIUS, &nRadStride );
size_t nRotStride;
const fltx4 *pRot = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_ROTATION, &nRotStride );
size_t nYawStride;
const fltx4 *pYaw = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_YAW, &nYawStride );
size_t nPitchStride;
const fltx4 *pPitch = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_PITCH, &nPitchStride );
size_t nScalerStride;
const fltx4 *pAnimationScale = pParticles->GetM128AttributePtr( m_nAnimationScaleField, &nScalerStride );
for( int i = 0; i < nNumParticles; i++ )
{
int hParticle = ( --pRenderList )->m_nIndex;
int nGroup = ( hParticle / 4 );
int nOffset = hParticle & 0x3;
int nSequence = ( int )SubFloat( pSequenceNumber[ nGroup * seq_stride ], nOffset );
int nAnimationSequence = m_nActivity;
if ( nAnimationSequence == -1 )
nAnimationSequence = ( int )SubFloat( pSequence1Number[ nGroup * seq1_stride ], nOffset );
float flAnimationRate = m_flAnimationRate;
if ( m_bScaleAnimationRate )
flAnimationRate *= SubFloat( pAnimationScale[ nGroup * nScalerStride ], nOffset );
int nXYZIndex = nGroup * xyz_stride;
Vector vecWorldPos( SubFloat( xyz[ nXYZIndex ], nOffset ), SubFloat( xyz[ nXYZIndex+1 ], nOffset ), SubFloat( xyz[ nXYZIndex+2 ], nOffset ) );
const float *pNormal = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_NORMAL, hParticle );
Vector vecFwd, vecRight, vecUp;
SetVectorFromAttribute( vecFwd, pNormal);
vecFwd.NormalizeInPlace();
AVectorPerpendicularToVector( vecFwd, &vecRight );
float flDot = fabs( DotProduct( vecFwd, vecRight ) );
Assert( flDot < 0.1f );
if ( flDot >= 0.1f )
{
AVectorPerpendicularToVector( vecFwd, &vecRight );
}
vecUp = CrossProduct( vecFwd, vecRight );
Assert( fabs( DotProduct( vecFwd, vecUp ) ) < 0.1f );
Assert( fabs( DotProduct( vecRight, vecUp ) ) < 0.1f );
int nColorIndex = nGroup * rgb_stride;
float r = SubFloat( pRGB[ nColorIndex ], nOffset );
float g = SubFloat( pRGB[ nColorIndex + 1 ], nOffset );
float b = SubFloat( pRGB[ nColorIndex + 2 ], nOffset );
float a = SubFloat( ( pAlpha[ nGroup * nAlphaStride ] * pAlpha2[ nGroup * nAlpha2Stride ] ), nOffset );
float flScale = SubFloat( pRadius[ nGroup * nRadStride ], nOffset );
float rot = SubFloat( pRot[ nGroup * nRotStride ], nOffset );
float yaw = SubFloat( pYaw[ nGroup * nRotStride ], nOffset );
float pitch = SubFloat( pPitch[ nGroup * nRotStride ], nOffset );
matrix3x4_t matRotate, matDir, matFinal;
QAngle qa( RAD2DEG( pitch ), RAD2DEG( yaw ), RAD2DEG( rot ) );
AngleMatrix( qa, matRotate );
if ( m_bOrientZ )
{
matDir = matrix3x4_t( vecUp * flScale, -vecRight * flScale, vecFwd * flScale, vec3_origin );
}
else
{
matDir = matrix3x4_t( vecFwd * flScale, vecRight * flScale, vecUp * flScale, vec3_origin );
}
MatrixMultiply( matDir, matRotate, matFinal );
matFinal.SetOrigin( vecWorldPos );
g_pParticleSystemMgr->Query()->DrawModel( m_pModels[ 0 ], matFinal, pParticles, hParticle, nSequence, 1, m_nSkin, nAnimationSequence, flAnimationRate, r, g, b, a );
}
g_pParticleSystemMgr->Query()->FinishDrawModels( pParticles );
}
// rj: this is just temporary until I get another aspect of this done
//-----------------------------------------------------------------------------
//
// Projected renderer
//
//-----------------------------------------------------------------------------
class C_OP_RenderProjected : public CParticleRenderOperatorInstance
{
DECLARE_PARTICLE_OPERATOR( C_OP_RenderProjected );
uint32 GetReadAttributes( void ) const
{
return PARTICLE_ATTRIBUTE_XYZ_MASK | PARTICLE_ATTRIBUTE_PARTICLE_ID_MASK | PARTICLE_ATTRIBUTE_TINT_RGB_MASK | PARTICLE_ATTRIBUTE_ALPHA_MASK | PARTICLE_ATTRIBUTE_ALPHA2_MASK |
PARTICLE_ATTRIBUTE_RADIUS_MASK | PARTICLE_ATTRIBUTE_ROTATION_MASK;
}
uint32 GetWrittenAttributes( void ) const
{
return 0;
}
virtual void InitializeContextData( CParticleCollection *pParticles, void *pContext ) const
{
void **pCtx = reinterpret_cast< void ** >( pContext );
*pCtx = NULL;
}
size_t GetRequiredContextBytes( void ) const
{
return sizeof( void * );
}
virtual void PostSimulate( CParticleCollection *pParticles, void *pContext ) const
{
void **pCtx = reinterpret_cast< void ** >( pContext );
IMaterial *pMaterial = pParticles->m_pDef->GetMaterial();
// size_t xyz_stride;
// const fltx4 *xyz = pParticles->GetM128AttributePtr( PARTICLE_ATTRIBUTE_XYZ, &xyz_stride );
if ( pParticles->m_nActiveParticles >= 1 )
{
for ( int i = 0; i < pParticles->m_nActiveParticles; ++i )
{
Vector vPosition;
const float *pflXYZ = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_XYZ, i );
SetVectorFromAttribute( vPosition, pflXYZ );
const int *pParticleID = pParticles->GetIntAttributePtr( PARTICLE_ATTRIBUTE_PARTICLE_ID, i );
const float *pAlpha = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_ALPHA, i );
const float *pAlpha2 = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_ALPHA2, i );
const float *pColor = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_TINT_RGB, i );
const float *pRadius = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_RADIUS, i );
const float *pRotation = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_ROTATION, i );
g_pParticleSystemMgr->Query()->UpdateProjectedTexture( *pParticleID, pMaterial, vPosition, pRadius[ 0 ], pRotation[ 0 ], pColor[ 0 ], pColor[ 1 ], pColor[ 2 ], pAlpha[ 0 ] * pAlpha2[ 0 ], *pCtx );
break;
}
}
else
{
*pCtx = NULL;
}
}
virtual void Render( IMatRenderContext *pRenderContext, CParticleCollection *pParticles, const Vector4D &vecDiffuseModulation, void *pContext, int nViewRecursionDepth ) const;
};
DEFINE_PARTICLE_OPERATOR( C_OP_RenderProjected, "Render projected", OPERATOR_SINGLETON );
BEGIN_PARTICLE_RENDER_OPERATOR_UNPACK( C_OP_RenderProjected )
END_PARTICLE_OPERATOR_UNPACK( C_OP_RenderProjected )
void C_OP_RenderProjected::Render( IMatRenderContext *pRenderContext, CParticleCollection *pParticles, const Vector4D &vecDiffuseModulation, void *pContext, int nViewRecursionDepth ) const
{
if ( g_pParticleSystemMgr->Query()->IsEditor() == false )
{
return;
}
IMaterial *pMaterial = pParticles->m_pDef->GetMaterial();
pRenderContext->Bind( pMaterial );
for ( int i = 0; i < pParticles->m_nActiveParticles; ++i )
{
Vector vPosition;
const float *pflXYZ = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_XYZ, i );
SetVectorFromAttribute( vPosition, pflXYZ );
// const int *pParticleID = pParticles->GetIntAttributePtr( PARTICLE_ATTRIBUTE_PARTICLE_ID, i );
const float *pAlpha = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_ALPHA, i );
const float *pAlpha2 = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_ALPHA2, i );
const float *pColor = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_TINT_RGB, i );
const float *pRadius = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_RADIUS, i );
const float *pRotation = pParticles->GetFloatAttributePtr( PARTICLE_ATTRIBUTE_ROTATION, i );
FlashlightState_t state;
VMatrix WorldToTexture;
state.m_vecLightOrigin = Vector( pflXYZ[ 0 ], pflXYZ[ 1 ] , pflXYZ[ 2 ] );
float flAlpha = pAlpha[ 0 ] * pAlpha2[ 0 ];
state.m_Color[0] = pColor[ 0 ] * flAlpha;
state.m_Color[1] = pColor[ 1 ] * flAlpha;
state.m_Color[2] = pColor[ 2 ] * flAlpha;
state.m_Color[3] = 0.0f; // fixme: need to make ambient work m_flAmbient;
state.m_flProjectionSize = pRadius[ 0 ];
state.m_flProjectionRotation = pRotation[ 0 ];
pRenderContext->SetFlashlightState( state, WorldToTexture );
// g_pParticleSystemMgr->Query()->UpdateProjectedTexture( *pParticleID, pMaterial, vPosition, pRadius[ 0 ], pRotation[ 0 ], pColor[ 0 ], pColor[ 1 ], pColor[ 2 ], pAlpha[ 0 ] * pAlpha2[ 0 ], *pCtx );
CMeshBuilder meshBuilder;
IMesh *pMesh = pRenderContext->GetDynamicMesh( true );
meshBuilder.Begin( pMesh, MATERIAL_QUADS, 1 );
meshBuilder.Position3f( -1000.0f, -1000.0f, 0.0f );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS, 0>();
meshBuilder.Position3f( 1000.0f, -1000.0f, 0.0f );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS, 0>();
meshBuilder.Position3f( 1000.0f, 1000.0f, 0.0f );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS, 0>();
meshBuilder.Position3f( -1000.0f, 1000.0f, 0.0f );
meshBuilder.AdvanceVertexF<VTX_HAVEPOS, 0>();
meshBuilder.End();
pMesh->DrawModulated( vecDiffuseModulation );
break;
}
}
//-----------------------------------------------------------------------------
// Installs renderers
//-----------------------------------------------------------------------------
void AddBuiltInParticleRenderers( void )
{
#ifdef _DEBUG
REGISTER_PARTICLE_OPERATOR( FUNCTION_RENDERER, C_OP_RenderPoints );
#endif
REGISTER_PARTICLE_OPERATOR( FUNCTION_RENDERER, C_OP_RenderSprites );
REGISTER_PARTICLE_OPERATOR( FUNCTION_RENDERER, C_OP_RenderSpritesTrail );
REGISTER_PARTICLE_OPERATOR( FUNCTION_RENDERER, C_OP_RenderRope );
REGISTER_PARTICLE_OPERATOR( FUNCTION_RENDERER, C_OP_RenderScreenVelocityRotate );
REGISTER_PARTICLE_OPERATOR( FUNCTION_RENDERER, C_OP_RenderModels );
#ifdef USE_BLOBULATOR
REGISTER_PARTICLE_OPERATOR( FUNCTION_RENDERER, C_OP_RenderBlobs );
#endif // blobs
REGISTER_PARTICLE_OPERATOR( FUNCTION_RENDERER, C_OP_RenderProjected );
}