d4708
/
source-engine
mirror of https://github.com/nillerusr/source-engine.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
107 Commits
25 Branches
6 Tags
221 MiB
 
 
 
 
 
 
Tree: 1d8149a3b3
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from '1d8149a3b3'
${ noResults }
source-engine/studiorender/r_studioflex.cpp

928 lines
29 KiB
Raw Blame History

//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $Workfile: $
// $Date: $
// $NoKeywords: $
//===========================================================================//
#include "studio.h"
#include "studiorendercontext.h"
#include "bitmap/imageformat.h"
#include "materialsystem/imaterialsystem.h"
#include "materialsystem/imaterial.h"
#include "materialsystem/imaterialvar.h"
#include "materialsystem/itexture.h"
#include "materialsystem/imesh.h"
#include "mathlib/mathlib.h"
#include "studiorender.h"
#include "pixelwriter.h"
#include "vtf/vtf.h"
#include "tier1/convar.h"
#include "tier1/KeyValues.h"
#include "tier0/vprof.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
#define sign( a ) (((a) < 0) ? -1 : (((a) > 0) ? 1 : 0 ))
void CStudioRender::R_StudioEyeballPosition( const mstudioeyeball_t *peyeball, eyeballstate_t *pstate )
{
// Vector forward;
// Vector org, right, up;
pstate->peyeball = peyeball;
Vector tmp;
// move eyeball into worldspace
{
// ConDMsg("%.2f %.2f %.2f\n", peyeball->org[0], peyeball->org[1], peyeball->org[2] );
VectorCopy( peyeball->org, tmp );
tmp[0] += m_pRC->m_Config.fEyeShiftX * sign( tmp[0] );
tmp[1] += m_pRC->m_Config.fEyeShiftY * sign( tmp[1] );
tmp[2] += m_pRC->m_Config.fEyeShiftZ * sign( tmp[2] );
}
VectorTransform( tmp, m_pBoneToWorld[peyeball->bone], pstate->org );
VectorRotate( peyeball->up, m_pBoneToWorld[peyeball->bone], pstate->up );
// look directly at target
VectorSubtract( m_pRC->m_ViewTarget, pstate->org, pstate->forward );
VectorNormalize( pstate->forward );
if ( !m_pRC->m_Config.bEyeMove )
{
VectorRotate( peyeball->forward, m_pBoneToWorld[peyeball->bone], pstate->forward );
VectorScale( pstate->forward, -1 ,pstate->forward ); // ???
}
CrossProduct( pstate->forward, pstate->up, pstate->right );
VectorNormalize( pstate->right );
// shift N degrees off of the target
float dz;
dz = peyeball->zoffset;
VectorMA( pstate->forward, peyeball->zoffset + dz, pstate->right, pstate->forward );
#if 0
// add random jitter
VectorMA( forward, RandomFloat( -0.02, 0.02 ), right, forward );
VectorMA( forward, RandomFloat( -0.02, 0.02 ), up, forward );
#endif
VectorNormalize( pstate->forward );
// re-aim eyes
CrossProduct( pstate->forward, pstate->up, pstate->right );
VectorNormalize( pstate->right );
CrossProduct( pstate->right, pstate->forward, pstate->up );
VectorNormalize( pstate->up );
float scale = (1.0 / peyeball->iris_scale) + m_pRC->m_Config.fEyeSize;
if (scale > 0)
scale = 1.0 / scale;
VectorScale( &pstate->right[0], -scale, pstate->mat[0] );
VectorScale( &pstate->up[0], -scale, pstate->mat[1] );
pstate->mat[0][3] = -DotProduct( &pstate->org[0], pstate->mat[0] ) + 0.5f;
pstate->mat[1][3] = -DotProduct( &pstate->org[0], pstate->mat[1] ) + 0.5f;
// FIXME: push out vertices for cornea
}
//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
void CStudioRender::R_StudioEyelidFACS( const mstudioeyeball_t *peyeball, const eyeballstate_t *pstate )
{
if ( peyeball->m_bNonFACS )
return;
Vector headup;
Vector headforward;
Vector pos;
float upperlid = DEG2RAD( 9.5 );
float lowerlid = DEG2RAD( -26.4 );
// FIXME: Crash workaround
Vector vecNormTarget;
vecNormTarget.Init( peyeball->uppertarget[0], peyeball->uppertarget[1], peyeball->uppertarget[2] );
vecNormTarget /= peyeball->radius;
vecNormTarget.x = clamp( vecNormTarget.x, -1.0f, 1.0f );
vecNormTarget.y = clamp( vecNormTarget.y, -1.0f, 1.0f );
vecNormTarget.z = clamp( vecNormTarget.z, -1.0f, 1.0f );
// get weighted position of eyeball angles based on the "raiser", "neutral", and "lowerer" controls
upperlid = m_pFlexWeights[peyeball->upperflexdesc[0]] * asin( vecNormTarget.x );
upperlid += m_pFlexWeights[peyeball->upperflexdesc[1]] * asin( vecNormTarget.y );
upperlid += m_pFlexWeights[peyeball->upperflexdesc[2]] * asin( vecNormTarget.z );
vecNormTarget.Init( peyeball->lowertarget[0], peyeball->lowertarget[1], peyeball->lowertarget[2] );
vecNormTarget /= peyeball->radius;
vecNormTarget.x = clamp( vecNormTarget.x, -1.0f, 1.0f );
vecNormTarget.y = clamp( vecNormTarget.y, -1.0f, 1.0f );
vecNormTarget.z = clamp( vecNormTarget.z, -1.0f, 1.0f );
lowerlid = m_pFlexWeights[peyeball->lowerflexdesc[0]] * asin( vecNormTarget.x );
lowerlid += m_pFlexWeights[peyeball->lowerflexdesc[1]] * asin( vecNormTarget.y );
lowerlid += m_pFlexWeights[peyeball->lowerflexdesc[2]] * asin( vecNormTarget.z );
// ConDMsg("%.1f %.1f\n", RAD2DEG( upperlid ), RAD2DEG( lowerlid ) );
float sinupper, cosupper, sinlower, coslower;
SinCos( upperlid, &sinupper, &cosupper );
SinCos( lowerlid, &sinlower, &coslower );
// convert to head relative space
VectorIRotate( pstate->up, m_pBoneToWorld[peyeball->bone], headup );
VectorIRotate( pstate->forward, m_pBoneToWorld[peyeball->bone], headforward );
// upper lid
VectorScale( headup, sinupper * peyeball->radius, pos );
VectorMA( pos, cosupper * peyeball->radius, headforward, pos );
m_pFlexWeights[peyeball->upperlidflexdesc] = DotProduct( pos, peyeball->up );
// lower lid
VectorScale( headup, sinlower * peyeball->radius, pos );
VectorMA( pos, coslower * peyeball->radius, headforward, pos );
m_pFlexWeights[peyeball->lowerlidflexdesc] = DotProduct( pos, peyeball->up );
// ConDMsg("%.4f %.4f\n", m_pRC->m_FlexWeights[peyeball->upperlidflex], m_pRC->m_FlexWeights[peyeball->lowerlidflex] );
}
void CStudioRender::MaterialPlanerProjection( const matrix3x4_t& mat, int count, const Vector *psrcverts, Vector2D *pdesttexcoords )
{
for (int i = 0; i < count; i++)
{
pdesttexcoords[i][0] = DotProduct( &psrcverts[i].x, mat[0] ) + mat[0][3];
pdesttexcoords[i][1] = DotProduct( &psrcverts[i].x, mat[1] ) + mat[1][3];
}
}
//-----------------------------------------------------------------------------
// Ramp and clamp the flex weight
//-----------------------------------------------------------------------------
float CStudioRender::RampFlexWeight( mstudioflex_t &flex, float w )
{
if (w <= flex.target0 || w >= flex.target3)
{
// value outside of range
w = 0.0;
}
else if (w < flex.target1)
{
// 0 to 1 ramp
w = (w - flex.target0) / (flex.target1 - flex.target0);
}
else if (w > flex.target2)
{
// 1 to 0 ramp
w = (flex.target3 - w) / (flex.target3 - flex.target2);
}
else
{
// plat
w = 1.0;
}
return w;
}
//-----------------------------------------------------------------------------
// Setup the flex verts for this rendering
//-----------------------------------------------------------------------------
void CStudioRender::R_StudioFlexVerts( mstudiomesh_t *pmesh, int lod )
{
VPROF_BUDGET( "CStudioRender::R_StudioFlexVerts", VPROF_BUDGETGROUP_MODEL_RENDERING );
Assert( pmesh );
const float flVertAnimFixedPointScale = m_pStudioHdr->VertAnimFixedPointScale();
// There's a chance we can actually do the flex twice on a single mesh
// since there's flexed HW + SW portions of the mesh.
if (m_VertexCache.IsFlexComputationDone())
return;
// get pointers to geometry
if ( !pmesh->pModel()->CacheVertexData( m_pStudioHdr ) )
{
// not available yet
return;
}
const mstudio_meshvertexdata_t *vertData = pmesh->GetVertexData( m_pStudioHdr );
Assert( vertData );
if ( !vertData )
{
static unsigned int warnCount = 0;
if ( warnCount++ < 20 )
Warning( "ERROR: R_StudioFlexVerts, model verts have been compressed, cannot render! (use \"-no_compressed_vvds\")" );
return;
}
// The flex data should have been converted to the new (fixed-point) format on load:
Assert( m_pStudioHdr->flags & STUDIOHDR_FLAGS_FLEXES_CONVERTED );
if ( ( m_pStudioHdr->flags & STUDIOHDR_FLAGS_FLEXES_CONVERTED ) == 0 )
{
static unsigned int flexConversionTimesWarned = 0;
if ( flexConversionTimesWarned++ < 6 )
Warning( "ERROR: flex verts have not been converted (queued loader refcount bug?) - expect to see 'exploded' faces" );
}
mstudiovertex_t *pVertices = vertData->Vertex( 0 );
Vector4D *pStudioTangentS;
if ( vertData->HasTangentData() )
{
pStudioTangentS = vertData->TangentS( 0 );
}
else
{
pStudioTangentS = NULL;
}
mstudioflex_t *pflex = pmesh->pFlex( 0 );
m_VertexCache.SetupComputation( pmesh, true );
// apply flex weights
int i, j, n;
for (i = 0; i < pmesh->numflexes; i++)
{
float w1 = RampFlexWeight( pflex[i], m_pFlexWeights[ pflex[i].flexdesc ] );
float w2 = RampFlexWeight( pflex[i], m_pFlexDelayedWeights[ pflex[i].flexdesc ] );
float w3, w4;
if ( pflex[i].flexpair != 0)
{
w3 = RampFlexWeight( pflex[i], m_pFlexWeights[ pflex[i].flexpair ] );
w4 = RampFlexWeight( pflex[i], m_pFlexDelayedWeights[ pflex[i].flexpair ] );
}
else
{
w3 = w1;
w4 = w2;
}
if ( w1 > -0.001 && w1 < 0.001 && w2 > -0.001 && w2 < 0.001 )
{
if ( w3 > -0.001 && w3 < 0.001 && w4 > -0.001 && w4 < 0.001 )
{
continue;
}
}
// We may have wrinkle information for this flex, but if we're software skinning
// we're going to ignore it.
byte *pvanim = pflex[i].pBaseVertanim();
int nVAnimSizeBytes = pflex[i].VertAnimSizeBytes();
for (j = 0; j < pflex[i].numverts; j++)
{
mstudiovertanim_t *pAnim = (mstudiovertanim_t*)( pvanim + j * nVAnimSizeBytes );
n = pAnim->index;
// Only flex the indices that are (still) part of this mesh
// need lod restriction here
if (n < pmesh->vertexdata.numLODVertexes[lod])
{
mstudiovertex_t &vert = pVertices[n];
CachedPosNormTan_t* pFlexedVertex;
if (!m_VertexCache.IsVertexFlexed(n))
{
// Add a new flexed vert to the flexed vertex list
pFlexedVertex = m_VertexCache.CreateFlexVertex(n);
// skip processing if no more flexed verts can be allocated
if (pFlexedVertex == NULL)
continue;
VectorCopy( vert.m_vecPosition, pFlexedVertex->m_Position );
VectorCopy( vert.m_vecNormal, pFlexedVertex->m_Normal );
if (pStudioTangentS)
{
Vector4DCopy( pStudioTangentS[n], pFlexedVertex->m_TangentS );
Assert( pFlexedVertex->m_TangentS.w == -1.0f || pFlexedVertex->m_TangentS.w == 1.0f );
}
}
else
{
pFlexedVertex = m_VertexCache.GetFlexVertex(n);
}
float s = pAnim->speed * (1.0F/255.0F);
float b = pAnim->side * (1.0F/255.0F);
float w = (w1 * s + (1.0f - s) * w2) * (1.0f - b) + b * (w3 * s + (1.0f - s) * w4);
// Accumulate weighted deltas
pFlexedVertex->m_Position += pAnim->GetDeltaFixed( flVertAnimFixedPointScale ) * w;
pFlexedVertex->m_Normal += pAnim->GetNDeltaFixed( flVertAnimFixedPointScale ) * w;
if ( pStudioTangentS )
{
pFlexedVertex->m_TangentS.AsVector3D() += pAnim->GetNDeltaFixed( flVertAnimFixedPointScale ) * w;
Assert( pFlexedVertex->m_TangentS.w == -1.0f || pFlexedVertex->m_TangentS.w == 1.0f );
}
}
}
}
m_VertexCache.RenormalizeFlexVertices( vertData->HasTangentData() );
}
// REMOVED!! Look in version 32 if you need it.
//static void R_StudioEyeballNormals( const mstudioeyeball_t *peyeball, int count, const Vector *psrcverts, Vector *pdestnorms )
#define KERNEL_DIAMETER 2
#define KERNEL_TEXELS (KERNEL_DIAMETER)
#define KERNEL_TEXEL_RADIUS (KERNEL_TEXELS / 2)
inline float GlintGaussSpotCoefficient( float dx, float dy /*, float *table */ )
{
const float radius = KERNEL_DIAMETER / 2;
const float rsq = 1.0f / (radius * radius);
float r2 = (dx * dx + dy * dy) * rsq;
if (r2 <= 1.0f)
{
return exp( -25.0 * r2 );
// NOTE: This optimization doesn't make much of a difference
//int index = r2 * (GLINT_TABLE_ENTRIES-1);
//return table[index];
}
return 0;
}
void CStudioRender::AddGlint( CPixelWriter &pixelWriter, float x, float y, const Vector& color )
{
x = (x + 0.5f) * m_GlintWidth;
y = (y + 0.5f) * m_GlintHeight;
const float texelRadius = KERNEL_DIAMETER / 2;
int x0 = (int)x;
int y0 = (int)y;
int x1 = x0 + texelRadius;
int y1 = y0 + texelRadius;
x0 -= texelRadius;
y0 -= texelRadius;
// clip light to texture
if ( (x0 >= m_GlintWidth) || (x1 < 0) || (y0 >= m_GlintHeight) || (y1 < 0) )
return;
// clamp coordinates
if ( x0 < 0 )
{
x0 = 0;
}
if ( y0 < 0 )
{
y0 = 0;
}
if ( x1 >= m_GlintWidth )
{
x1 = m_GlintWidth-1;
}
if ( y1 >= m_GlintHeight )
{
y1 = m_GlintHeight-1;
}
for (int v = y0; v <= y1; ++v )
{
pixelWriter.Seek( x0, v );
for (int u = x0; u <= x1; ++u )
{
float fu = ((float)u) - x;
float fv = ((float)v) - y;
const float offset = 0.25;
float intensity = GlintGaussSpotCoefficient( fu-offset, fv-offset ) +
GlintGaussSpotCoefficient( fu+offset, fv-offset ) +
5 * GlintGaussSpotCoefficient( fu, fv ) +
GlintGaussSpotCoefficient( fu-offset, fv+offset ) +
GlintGaussSpotCoefficient( fu+offset, fv+offset );
// NOTE: Old filter code multiplies the signal by 8X, so we will too
intensity *= (4.0f/9.0f);
// NOTE: It's much faster to do the work in the dest texture than to touch the memory more
// or make more buffers
Vector outColor = intensity * color;
int r, g, b, a;
pixelWriter.ReadPixelNoAdvance( r, g, b, a );
outColor.x += TextureToLinear(r);
outColor.y += TextureToLinear(g);
outColor.z += TextureToLinear(b);
pixelWriter.WritePixel( LinearToTexture(outColor.x), LinearToTexture(outColor.y), LinearToTexture(outColor.z) );
}
}
}
//-----------------------------------------------------------------------------
// glint
//-----------------------------------------------------------------------------
// test/stub code
#if 0
class CEmptyTextureRegen : public ITextureRegenerator
{
public:
virtual void RegenerateTextureBits( ITexture *pTexture, IVTFTexture *pVTFTexture, Rect_t *pRect )
{
// get the texture
unsigned char *pTextureData = pVTFTexture->ImageData( 0, 0, 0 );
int nImageSize = pVTFTexture->ComputeMipSize( 0 );
memset( pTextureData, 0, nImageSize );
}
// We've got a global instance, no need to delete it
virtual void Release() {}
};
static CEmptyTextureRegen s_GlintTextureRegen;
#endif
class CGlintTextureRegenerator : public ITextureRegenerator
{
public:
virtual void RegenerateTextureBits( ITexture *pTexture, IVTFTexture *pVTFTexture, Rect_t *pRect )
{
// We don't need to reconstitute the bits after a task switch
// since we reconstitute them every frame they are used anyways
if ( !m_pStudioRender )
return;
if ( ( m_pStudioRender->m_GlintWidth != pVTFTexture->Width() ) ||
( m_pStudioRender->m_GlintHeight != pVTFTexture->Height() ) )
{
m_pStudioRender->m_GlintWidth = pVTFTexture->Width();
m_pStudioRender->m_GlintHeight = pVTFTexture->Height();
}
CStudioRender::GlintRenderData_t pRenderData[16];
int nGlintCount = m_pStudioRender->BuildGlintRenderData( pRenderData,
ARRAYSIZE(pRenderData), m_pState, *m_pVRight, *m_pVUp, *m_pROrigin );
// setup glint texture
unsigned char *pTextureData = pVTFTexture->ImageData( 0, 0, 0 );
CPixelWriter pixelWriter;
pixelWriter.SetPixelMemory( pVTFTexture->Format(), pTextureData, pVTFTexture->RowSizeInBytes( 0 ) );
int nImageSize = pVTFTexture->ComputeMipSize( 0 );
memset( pTextureData, 0, nImageSize );
// Put in glints due to the lights in the scene
for ( int i = 0; i < nGlintCount; ++i )
{
// NOTE: AddGlint is a more expensive solution but it looks better close-up
m_pStudioRender->AddGlint( pixelWriter, pRenderData[i].m_vecPosition[0],
pRenderData[i].m_vecPosition[1], pRenderData[i].m_vecIntensity );
}
}
// We've got a global instance, no need to delete it
virtual void Release() {}
const eyeballstate_t *m_pState;
const Vector *m_pVRight;
const Vector *m_pVUp;
const Vector *m_pROrigin;
CStudioRender *m_pStudioRender;
};
static CGlintTextureRegenerator s_GlintTextureRegen;
static ITexture *s_pProcGlint = NULL;
void CStudioRender::PrecacheGlint()
{
if ( !m_pGlintTexture )
{
// Begin block in which all render targets should be allocated
g_pMaterialSystem->BeginRenderTargetAllocation();
// Get the texture that we are going to be updating procedurally.
m_pGlintTexture = g_pMaterialSystem->CreateNamedRenderTargetTextureEx2(
"_rt_eyeglint", 32, 32, RT_SIZE_NO_CHANGE, IMAGE_FORMAT_BGRA8888, MATERIAL_RT_DEPTH_NONE );
m_pGlintTexture->IncrementReferenceCount();
// Begin block in which all render targets should be allocated
g_pMaterialSystem->EndRenderTargetAllocation();
if ( !IsX360() )
{
// Get the texture that we are going to be updating procedurally.
s_pProcGlint = g_pMaterialSystem->CreateProceduralTexture(
"proc_eyeglint", TEXTURE_GROUP_MODEL, 32, 32, IMAGE_FORMAT_BGRA8888, TEXTUREFLAGS_NOMIP|TEXTUREFLAGS_NOLOD );
s_pProcGlint->SetTextureRegenerator( &s_GlintTextureRegen );
}
// JAY: I don't see this pattern in the code often. It looks like the material system
// would rather than I deal exclusively with IMaterials instead.
// So maybe we should bake the LOD texture into the eyes shader.
// For now, just hardcode one
// UNDONE: Add a $lodtexture to the eyes shader. Maybe add a $lodsize too.
// UNDONE: Make eyes texture load $lodtexture and switch to that here instead of black
m_pGlintLODTexture = g_pMaterialSystem->FindTexture( IsX360() ? "black" : "vgui/black", NULL, false );
m_pGlintLODTexture->IncrementReferenceCount();
}
}
void CStudioRender::UncacheGlint()
{
if ( m_pGlintTexture )
{
if ( s_pProcGlint )
{
s_pProcGlint->SetTextureRegenerator( NULL );
s_pProcGlint->DecrementReferenceCount();
s_pProcGlint = NULL;
}
m_pGlintTexture->DecrementReferenceCount();
m_pGlintTexture = NULL;
m_pGlintLODTexture->DecrementReferenceCount();
m_pGlintLODTexture = NULL;
}
}
int CStudioRender::BuildGlintRenderData( GlintRenderData_t *pData, int nMaxGlints,
const eyeballstate_t *pState, const Vector& vright, const Vector& vup, const Vector& r_origin )
{
// NOTE: See version 25 for lots of #if 0ed out stuff I removed
Vector viewdelta;
VectorSubtract( r_origin, pState->org, viewdelta );
VectorNormalize( viewdelta );
// hack cornea position
float iris_radius = pState->peyeball->radius * (6.0 / 12.0);
float cornea_radius = pState->peyeball->radius * (8.0 / 12.0);
Vector cornea;
// position on eyeball that matches iris radius
float er = ( iris_radius / pState->peyeball->radius );
er = FastSqrt( 1 - er * er );
// position on cornea sphere that matches iris radius
float cr = ( iris_radius / cornea_radius );
cr = FastSqrt( 1 - cr * cr );
float r = ( er * pState->peyeball->radius - cr * cornea_radius );
VectorScale( pState->forward, r, cornea );
// get offset for center of cornea
float dx, dy;
dx = DotProduct( vright, cornea );
dy = DotProduct( vup, cornea );
// move cornea to world space
VectorAdd( cornea, pState->org, cornea );
Vector delta, intensity;
Vector reflection, coord;
// Put in glints due to the lights in the scene
int nGlintCount = 0;
for ( int i = 0; R_LightGlintPosition( i, cornea, delta, intensity ); ++i )
{
VectorNormalize( delta );
if ( DotProduct( delta, pState->forward ) <= 0 )
continue;
VectorAdd( delta, viewdelta, reflection );
VectorNormalize( reflection );
pData[nGlintCount].m_vecPosition[0] = dx + cornea_radius * DotProduct( vright, reflection );
pData[nGlintCount].m_vecPosition[1] = dy + cornea_radius * DotProduct( vup, reflection );
pData[nGlintCount].m_vecIntensity = intensity;
if ( ++nGlintCount >= nMaxGlints )
return nMaxGlints;
if ( !R_LightGlintPosition( i, pState->org, delta, intensity ) )
continue;
VectorNormalize( delta );
if ( DotProduct( delta, pState->forward ) >= er )
continue;
pData[nGlintCount].m_vecPosition[0] = pState->peyeball->radius * DotProduct( vright, reflection );
pData[nGlintCount].m_vecPosition[1] = pState->peyeball->radius * DotProduct( vup, reflection );
pData[nGlintCount].m_vecIntensity = intensity;
if ( ++nGlintCount >= nMaxGlints )
return nMaxGlints;
}
return nGlintCount;
}
//-----------------------------------------------------------------------------
// Renders a glint texture procedurally
//-----------------------------------------------------------------------------
ITexture* CStudioRender::RenderGlintTexture( const eyeballstate_t *pState,
const Vector& vright, const Vector& vup, const Vector& r_origin )
{
GlintRenderData_t pRenderData[16];
int nGlintCount = BuildGlintRenderData( pRenderData, ARRAYSIZE(pRenderData),
pState, vright, vup, r_origin );
if ( nGlintCount == 0 )
return m_pGlintLODTexture;
CMatRenderContextPtr pRenderContext( g_pMaterialSystem );
pRenderContext->PushRenderTargetAndViewport( m_pGlintTexture );
IMaterial *pPrevMaterial = pRenderContext->GetCurrentMaterial();
void *pPrevProxy = pRenderContext->GetCurrentProxy();
int nPrevBoneCount = pRenderContext->GetCurrentNumBones();
MaterialHeightClipMode_t nPrevClipMode = pRenderContext->GetHeightClipMode( );
bool bPrevClippingEnabled = pRenderContext->EnableClipping( false );
bool bInFlashlightMode = pRenderContext->GetFlashlightMode();
if ( bInFlashlightMode )
{
DisableScissor();
}
pRenderContext->ClearColor4ub( 0, 0, 0, 0 );
pRenderContext->ClearBuffers( true, false, false );
pRenderContext->SetFlashlightMode( false );
pRenderContext->SetHeightClipMode( MATERIAL_HEIGHTCLIPMODE_DISABLE );
pRenderContext->SetNumBoneWeights( 0 );
pRenderContext->Bind( m_pGlintBuildMaterial );
pRenderContext->MatrixMode( MATERIAL_MODEL );
pRenderContext->PushMatrix();
pRenderContext->LoadIdentity();
pRenderContext->MatrixMode( MATERIAL_VIEW );
pRenderContext->PushMatrix();
pRenderContext->LoadIdentity();
pRenderContext->MatrixMode( MATERIAL_PROJECTION );
pRenderContext->PushMatrix();
pRenderContext->LoadIdentity();
CMeshBuilder meshBuilder;
IMesh *pMesh = pRenderContext->GetDynamicMesh( );
meshBuilder.Begin( pMesh, MATERIAL_TRIANGLES, nGlintCount * 4, nGlintCount * 6 );
const float epsilon = 0.5f / 32.0f;
int nIndex = 0;
for ( int i = 0; i < nGlintCount; ++i )
{
const GlintRenderData_t &glint = pRenderData[i];
// Position of glint 0..31 range
float x = (glint.m_vecPosition.x + 0.5f) * m_GlintWidth;
float y = (glint.m_vecPosition.y + 0.5f) * m_GlintHeight;
Vector vGlintCenter = Vector( x, y, 0.0f );
float ooWidth = 1.0f / (float)m_GlintWidth;
float ooHeight = 1.0f / (float)m_GlintHeight;
int x0 = floor(x);
int y0 = floor(y);
int x1 = x0 + 1.0f;
int y1 = y0 + 1.0f;
x0 -= 2.0f; // Fill rules make us pad this out more than the procedural version
y0 -= 2.0f;
float screenX0 = x0 * 2 * ooWidth + epsilon - 1;
float screenX1 = x1 * 2 * ooWidth + epsilon - 1;
float screenY0 = -(y0 * 2 * ooHeight + epsilon - 1);
float screenY1 = -(y1 * 2 * ooHeight + epsilon - 1);
meshBuilder.Position3f( screenX0, screenY0, 0.0f );
meshBuilder.TexCoord2f( 0, x0, y0 );
meshBuilder.TexCoord2fv( 1, vGlintCenter.Base() );
meshBuilder.TexCoord3fv( 2, glint.m_vecIntensity.Base() );
meshBuilder.AdvanceVertex();
meshBuilder.Position3f( screenX1, screenY0, 0.0f );
meshBuilder.TexCoord2f( 0, x1, y0 );
meshBuilder.TexCoord2fv( 1, vGlintCenter.Base() );
meshBuilder.TexCoord3fv( 2, glint.m_vecIntensity.Base() );
meshBuilder.AdvanceVertex();
meshBuilder.Position3f( screenX1, screenY1, 0.0f );
meshBuilder.TexCoord2f( 0, x1, y1 );
meshBuilder.TexCoord2fv( 1, vGlintCenter.Base() );
meshBuilder.TexCoord3fv( 2, glint.m_vecIntensity.Base() );
meshBuilder.AdvanceVertex();
meshBuilder.Position3f( screenX0, screenY1, 0.0f );
meshBuilder.TexCoord2f( 0, x0, y1 );
meshBuilder.TexCoord2fv( 1, vGlintCenter.Base() );
meshBuilder.TexCoord3fv( 2, glint.m_vecIntensity.Base() );
meshBuilder.AdvanceVertex();
meshBuilder.FastIndex( nIndex );
meshBuilder.FastIndex( nIndex+1 );
meshBuilder.FastIndex( nIndex+2 );
meshBuilder.FastIndex( nIndex );
meshBuilder.FastIndex( nIndex+2 );
meshBuilder.FastIndex( nIndex+3 );
nIndex += 4;
}
meshBuilder.End();
pMesh->Draw();
pRenderContext->MatrixMode( MATERIAL_MODEL );
pRenderContext->PopMatrix();
pRenderContext->MatrixMode( MATERIAL_VIEW );
pRenderContext->PopMatrix();
pRenderContext->MatrixMode( MATERIAL_PROJECTION );
pRenderContext->PopMatrix();
if ( IsX360() )
{
pRenderContext->CopyRenderTargetToTextureEx( m_pGlintTexture, 0, NULL, NULL );
}
pRenderContext->PopRenderTargetAndViewport( );
pRenderContext->Bind( pPrevMaterial, pPrevProxy );
pRenderContext->SetNumBoneWeights( nPrevBoneCount );
pRenderContext->SetHeightClipMode( nPrevClipMode );
pRenderContext->EnableClipping( bPrevClippingEnabled );
pRenderContext->SetFlashlightMode( bInFlashlightMode );
return m_pGlintTexture;
}
static ConVar r_glint_procedural( "r_glint_procedural", "0" );
static ConVar r_glint_alwaysdraw( "r_glint_alwaysdraw", "0" );
void CStudioRender::R_StudioEyeballGlint( const eyeballstate_t *pstate, IMaterialVar *pGlintVar,
const Vector& vright, const Vector& vup, const Vector& r_origin )
{
// Kick off a PIX event, since this process encompasses a bunch of locks etc...
CMatRenderContextPtr pRenderContext( g_pMaterialSystem );
PIXEVENT( pRenderContext, "GenerateEyeballGlint" );
// Don't do a procedural glint texture if there are enough pixels covered by the eyeball onscreen,
// and the eye isn't backfaced.
if ( m_pGlintLODTexture && r_glint_alwaysdraw.GetInt() == 0 )
{
// backfaced or too small to bother?
float pixelArea = pRenderContext->ComputePixelWidthOfSphere( pstate->org, pstate->peyeball->radius );
if(
// FIXME: this backface doesn't work for something that isn't a plane.
// DotProduct( pstate->forward, m_ViewPlaneNormal ) > 0.0f ||
pixelArea < m_pRC->m_Config.fEyeGlintPixelWidthLODThreshold )
{
// use black glint texture
pGlintVar->SetTextureValue( m_pGlintLODTexture );
return;
}
}
// Legacy method for DX8
if ( !IsX360() && ( r_glint_procedural.GetInt() || g_pMaterialSystemHardwareConfig->GetDXSupportLevel() < 90 ) )
{
// Set up the texture regenerator
s_GlintTextureRegen.m_pVRight = &vright;
s_GlintTextureRegen.m_pVUp = &vup;
s_GlintTextureRegen.m_pROrigin = &r_origin;
s_GlintTextureRegen.m_pState = pstate;
s_GlintTextureRegen.m_pStudioRender = this;
// This will cause the glint texture to be re-generated and then downloaded
s_pProcGlint->Download( );
// This is necessary to make sure we don't reconstitute the bits
// after coming back from a task switch
s_GlintTextureRegen.m_pStudioRender = NULL;
// Use the normal glint instead of the black glint
pGlintVar->SetTextureValue( s_pProcGlint );
}
else // Queued hardware version
{
// Make sure we know the correct size of the glint texture
m_GlintWidth = m_pGlintTexture->GetActualWidth();
m_GlintHeight = m_pGlintTexture->GetActualHeight();
// Render glint render target
ITexture *pUseGlintTexture = RenderGlintTexture( pstate, vright, vup, r_origin );
// Use the normal glint instead of the black glint
pGlintVar->SetTextureValue( pUseGlintTexture );
}
}
void CStudioRender::ComputeGlintTextureProjection( eyeballstate_t const* pState,
const Vector& vright, const Vector& vup, matrix3x4_t& mat )
{
// project eyeball into screenspace texture
float scale = 1.0 / (pState->peyeball->radius * 2);
VectorScale( &vright.x, scale, mat[0] );
VectorScale( &vup.x, scale, mat[1] );
mat[0][3] = -DotProduct( pState->org.Base(), mat[0] ) + 0.5;
mat[1][3] = -DotProduct( pState->org.Base(), mat[1] ) + 0.5;
}
/*
void R_MouthLighting( int count, const Vector *psrcverts, const Vector *psrcnorms, Vector4D *pdestlightvalues )
{
Vector forward;
if (m_pStudioHdr->nummouths < 1) return;
mstudiomouth_t *pMouth = r_pstudiohdr->pMouth( 0 ); // FIXME: this needs to get the mouth index from the shader
float fIllum = m_FlexWeights[pMouth->flexdesc];
if (fIllum < 0) fIllum = 0;
if (fIllum > 1) fIllum = 1;
fIllum = LinearToTexture( fIllum ) / 255.0;
VectorRotate( pMouth->forward, g_StudioInternalState.boneToWorld[ pMouth->bone ], forward );
for (int i = 0; i < count; i++)
{
float dot = -DotProduct( psrcnorms[i], forward );
if (dot > 0)
{
dot = LinearToTexture( dot ) / 255.0; // FIXME: this isn't robust
VectorScale( pdestlightvalues[i], dot, pdestlightvalues[i] );
}
else
VectorFill( pdestlightvalues[i], 0 );
VectorScale( pdestlightvalues[i], fIllum, pdestlightvalues[i] );
}
}
*/
void CStudioRender::R_MouthComputeLightingValues( float& fIllum, Vector& forward )
{
// FIXME: this needs to get the mouth index from the shader
mstudiomouth_t *pMouth = m_pStudioHdr->pMouth( 0 );
fIllum = m_pFlexWeights[pMouth->flexdesc];
if (fIllum < 0) fIllum = 0;
if (fIllum > 1) fIllum = 1;
fIllum = LinearToTexture( fIllum ) / 255.0;
VectorRotate( pMouth->forward, m_pBoneToWorld[ pMouth->bone ], forward );
}
void CStudioRender::R_MouthLighting( float fIllum, const Vector& normal, const Vector& forward, Vector &light )
{
float dot = -DotProduct( normal, forward );
if (dot > 0)
{
VectorScale( light, dot * fIllum, light );
}
else
{
VectorFill( light, 0 );
}
}
static unsigned int illumVarCache = 0;
static unsigned int forwardVarCache = 0;
void CStudioRender::R_MouthSetupVertexShader( IMaterial* pMaterial )
{
if (!pMaterial)
return;
// FIXME: this needs to get the mouth index from the shader
mstudiomouth_t *pMouth = m_pStudioHdr->pMouth( 0 );
// Don't deal with illum gamma, we apply it at a different point
// for vertex shaders
float fIllum = m_pFlexWeights[pMouth->flexdesc];
if (fIllum < 0) fIllum = 0;
if (fIllum > 1) fIllum = 1;
Vector forward;
VectorRotate( pMouth->forward, m_pBoneToWorld[ pMouth->bone ], forward );
forward *= -1;
IMaterialVar* pIllumVar = pMaterial->FindVarFast( "$illumfactor", &illumVarCache );
if (pIllumVar)
{
pIllumVar->SetFloatValue( fIllum );
}
IMaterialVar* pFowardVar = pMaterial->FindVarFast( "$forward", &forwardVarCache );
if (pFowardVar)
{
pFowardVar->SetVecValue( forward.Base(), 3 );
}
}