source-engine/studiorender/r_studiostats.cpp
FluorescentCIAAfricanAmerican 3bf9df6b27 1
2020-04-22 12:56:21 -04:00

390 lines
11 KiB
C++

//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//===========================================================================//
#include "studiorender.h"
#include "studiorendercontext.h"
#include "materialsystem/imaterialsystem.h"
#include "materialsystem/imaterialsystemhardwareconfig.h"
#include "materialsystem/imaterial.h"
#include "materialsystem/imaterialvar.h"
#include "materialsystem/imesh.h"
#include "optimize.h"
#include "mathlib/vmatrix.h"
#include "tier0/vprof.h"
#include "tier1/strtools.h"
#include "tier1/KeyValues.h"
#include "tier0/memalloc.h"
#include "convar.h"
#include "materialsystem/itexture.h"
#include "tier2/tier2.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
static ConVar r_studio_stats( "r_studio_stats", "0", FCVAR_CHEAT );
inline float TriangleArea( const Vector &v0, const Vector &v1, const Vector &v2 )
{
Vector vecEdge0, vecEdge1, vecCross;
VectorSubtract( v1, v0, vecEdge0 );
VectorSubtract( v2, v0, vecEdge1 );
CrossProduct( vecEdge0, vecEdge1, vecCross );
return ( VectorLength( vecCross ) * 0.5f );
}
void CStudioRender::R_GatherStats( studiomeshgroup_t *pGroup, CMeshBuilder &MeshBuilder, IMesh *pMesh, IMaterial *pMaterial )
{
int nCount = 0;
float flSurfaceArea = 0.0f;
float flTriSurfaceArea = 0.0f;
float flTextureSurfaceArea = 0.0f;
int nFrontFacing = 0;
CUtlVector< Vector > Positions;
CUtlVector< Vector2D > TextureCoords;
CUtlVector< short > Indexes;
CUtlVector< float > TriAreas;
CUtlVector< float > TextureAreas;
int nTextureWidth = 0;
int nTextureHeight = 0;
IMaterialVar **pMaterialVar = pMaterial->GetShaderParams();
for( int i = 0; i < pMaterial->ShaderParamCount(); i++ )
{
if ( pMaterialVar[ i ]->IsTexture() == false )
{
continue;
}
ITexture *pTexture = pMaterialVar[ i ]->GetTextureValue();
if ( pTexture == NULL )
{
continue;
}
int nWidth = pTexture->GetActualWidth();
if ( nWidth > nTextureWidth )
{
nTextureWidth = nWidth;
}
int nHeight = pTexture->GetActualHeight();
if ( nHeight > nTextureHeight )
{
nTextureHeight = nHeight;
}
}
Vector2D vTextureSize( nTextureWidth, nTextureHeight );
VMatrix m_ViewMatrix, m_ProjectionMatrix, m_ViewProjectionMatrix;
CMatRenderContextPtr pRenderContext( g_pMaterialSystem );
pRenderContext->GetMatrix( MATERIAL_VIEW, &m_ViewMatrix );
pRenderContext->GetMatrix( MATERIAL_PROJECTION, &m_ProjectionMatrix );
MatrixMultiply( m_ProjectionMatrix, m_ViewMatrix, m_ViewProjectionMatrix );
Positions.EnsureCapacity( MeshBuilder.VertexCount() );
Positions.SetCount( MeshBuilder.VertexCount() );
TextureCoords.EnsureCapacity( MeshBuilder.VertexCount() );
TextureCoords.SetCount( MeshBuilder.VertexCount() );
for( int i = 0; i < MeshBuilder.VertexCount(); i++ )
{
MeshBuilder.SelectVertex( i );
Positions[ i ] = *( const Vector * )MeshBuilder.Position();
TextureCoords[ i ] = ( *( const Vector2D * )MeshBuilder.TexCoord( 0 ) ) * vTextureSize;
}
int nNumIndexes = 0;
for (int j = 0; j < pGroup->m_NumStrips; ++j)
{
OptimizedModel::StripHeader_t *pStrip = &pGroup->m_pStripData[ j ];
nNumIndexes += pStrip->numIndices;
}
Indexes.EnsureCapacity( nNumIndexes );
Indexes.SetCount( nNumIndexes );
TriAreas.EnsureCapacity( nNumIndexes / 3 );
TriAreas.SetCount( nNumIndexes / 3 );
TextureAreas.EnsureCapacity( nNumIndexes / 3 );
TextureAreas.SetCount( nNumIndexes / 3 );
for (int j = 0; j < pGroup->m_NumStrips; ++j)
{
OptimizedModel::StripHeader_t *pStrip = &pGroup->m_pStripData[ j ];
for( int i = 0; i < pStrip->numIndices; i += 3 )
{
Indexes[ pStrip->indexOffset + i ] = pGroup->m_pIndices[ pStrip->indexOffset + i ];
Indexes[ pStrip->indexOffset + i + 1 ] = pGroup->m_pIndices[ pStrip->indexOffset + i + 1 ];
Indexes[ pStrip->indexOffset + i + 2 ] = pGroup->m_pIndices[ pStrip->indexOffset + i + 2 ];
TriAreas[ ( pStrip->indexOffset + i ) / 3 ] = 0.0f;
TextureAreas[ ( pStrip->indexOffset + i ) / 3 ] = 0.0f;
}
}
const float UNIFORM_SCREEN_WIDTH = 1600.0f;
const float UNIFORM_SCREEN_HEIGHT = 1200.0f;
for (int j = 0; j < pGroup->m_NumStrips; ++j)
{
OptimizedModel::StripHeader_t *pStrip = &pGroup->m_pStripData[ j ];
for( int i = 0; i < pStrip->numIndices; i += 3 )
{
int nIndex1 = pGroup->m_pIndices[ pStrip->indexOffset + i ];
int nIndex2 = pGroup->m_pIndices[ pStrip->indexOffset + i + 1 ];
int nIndex3 = pGroup->m_pIndices[ pStrip->indexOffset + i + 2 ];
MeshBuilder.SelectVertex( nIndex1 );
const float *pPos1 = MeshBuilder.Position();
MeshBuilder.SelectVertex( nIndex2 );
const float *pPos2 = MeshBuilder.Position();
MeshBuilder.SelectVertex( nIndex3 );
const float *pPos3 = MeshBuilder.Position();
float flTriArea = TriangleArea( *( const Vector * )( pPos1 ), *( const Vector * )( pPos2 ), *( const Vector * )( pPos3 ) );
flSurfaceArea += flTriArea;
Vector V1View, V2View, V3View;
m_ViewProjectionMatrix.V3Mul( *( const Vector * )( pPos1 ), V1View );
m_ViewProjectionMatrix.V3Mul( *( const Vector * )( pPos2 ), V2View );
m_ViewProjectionMatrix.V3Mul( *( const Vector * )( pPos3 ), V3View );
Vector vNormal;
float flIntercept;
ComputeTrianglePlane( V1View, V2View, V3View, vNormal, flIntercept );
V1View = ( V1View * 0.5f ) + Vector( 0.5f, 0.5f, 0.5f );
V1View *= Vector( UNIFORM_SCREEN_WIDTH, UNIFORM_SCREEN_HEIGHT, 1.0f );
V2View = ( V2View * 0.5f ) + Vector( 0.5f, 0.5f, 0.5f );
V2View *= Vector( UNIFORM_SCREEN_WIDTH, UNIFORM_SCREEN_HEIGHT, 1.0f );
V3View = ( V3View * 0.5f ) + Vector( 0.5f, 0.5f, 0.5f );
V3View *= Vector( UNIFORM_SCREEN_WIDTH, UNIFORM_SCREEN_HEIGHT, 1.0f );
flTriArea = -TriArea2D( V1View, V2View, V3View );
if ( flTriArea > 0.0f )
{
nFrontFacing++;
flTriSurfaceArea += flTriArea;
TriAreas[ ( pStrip->indexOffset + i ) / 3 ] = flTriArea;
Vector2D TexV1 = TextureCoords[ nIndex1 ];
Vector2D TexV2 = TextureCoords[ nIndex2 ];
Vector2D TexV3 = TextureCoords[ nIndex3 ];
flTriArea = fabs( TriArea2D( TexV1, TexV2, TexV3 ) );
flTextureSurfaceArea += flTriArea;
TextureAreas[ ( pStrip->indexOffset + i ) / 3 ] = flTriArea;
}
}
nCount += pStrip->numIndices;
}
// Msg( "%d / %d / %g / %g ||| %d / %g\n", MeshBuilder.VertexCount(), nCount, flSurfaceArea, flTriSurfaceArea, nFrontFacing, flTriSurfaceArea / (float)nFrontFacing );
for( int i = 0; i < MeshBuilder.VertexCount(); i++ )
{
MeshBuilder.SelectVertex( i );
MeshBuilder.Position3f( 0.0f, 0.0f, 0.0f );
}
MeshBuilder.End();
pMesh->MarkAsDrawn();
pMaterial = materials->FindMaterial( "debug/modelstats", TEXTURE_GROUP_OTHER );
pRenderContext->Bind( pMaterial );
int nRenderCount = -1;
for (int j = 0; j < pGroup->m_NumStrips; ++j)
{
OptimizedModel::StripHeader_t *pStrip = &pGroup->m_pStripData[ j ];
for( int i = 0; i < pStrip->numIndices; i += 3 )
{
if ( nRenderCount >= 10000 || nRenderCount == -1 )
{
if ( nRenderCount >= 0 )
{
MeshBuilder.End( false, true );
}
pMesh = pRenderContext->GetDynamicMeshEx( false );
nRenderCount = 0;
if ( nFrontFacing > 10000 )
{
MeshBuilder.Begin( pMesh, MATERIAL_TRIANGLES, 10000 );
nFrontFacing -= 10000;
}
else
{
MeshBuilder.Begin( pMesh, MATERIAL_TRIANGLES, nFrontFacing );
}
}
int nIndex1 = Indexes[ pStrip->indexOffset + i ];
int nIndex2 = Indexes[ pStrip->indexOffset + i + 1 ];
int nIndex3 = Indexes[ pStrip->indexOffset + i + 2 ];
float flArea = TriAreas[ ( pStrip->indexOffset + i ) / 3 ];
if ( flArea > 0.0f )
{
Vector vColor;
if ( r_studio_stats.GetInt() == 1 )
{
if ( flArea < 20.0f )
{
vColor.Init( 1.0f, 0.0f, 0.0f );
}
else if ( flArea < 50.0f )
{
vColor.Init( 1.0f, 0.565f, 0.0f );
}
else if ( flArea < 100.0f )
{
vColor.Init( 1.0f, 0.871f, 0.0f );
}
else if ( flArea < 200.0f )
{
vColor.Init( 0.701f, 1.0f, 0.0f );
}
else
{
vColor.Init( 0.0f, 1.0f, 0.0f );
}
}
else
{
float flArea = TextureAreas[ ( pStrip->indexOffset + i ) / 3 ] / TriAreas[ ( pStrip->indexOffset + i ) / 3 ];
if ( flArea >= 16.0f )
{
vColor.Init( 1.0f, 0.0f, 0.0f );
}
else if ( flArea >= 8.0f )
{
vColor.Init( 1.0f, 0.565f, 0.0f );
}
else if ( flArea >= 4.0f )
{
vColor.Init( 1.0f, 0.871f, 0.0f );
}
else if ( flArea >= 2.0f )
{
vColor.Init( 0.701f, 1.0f, 0.0f );
}
else if ( flArea >= 1.0f )
{
vColor.Init( 0.0f, 1.0f, 0.0f );
}
else
{
vColor.Init( 0.0f, 0.871f, 1.0f );
}
}
MeshBuilder.Position3fv( Positions[ nIndex1 ].Base() );
MeshBuilder.Color3fv( vColor.Base() );
MeshBuilder.AdvanceVertex();
MeshBuilder.Position3fv( Positions[ nIndex2 ].Base() );
MeshBuilder.Color3fv( vColor.Base() );
MeshBuilder.AdvanceVertex();
MeshBuilder.Position3fv( Positions[ nIndex3 ].Base() );
MeshBuilder.Color3fv( vColor.Base() );
MeshBuilder.AdvanceVertex();
nRenderCount++;
}
}
}
if ( nRenderCount >= 0 )
{
MeshBuilder.End( false, true );
}
}
//-----------------------------------------------------------------------------
// Main model rendering entry point
//-----------------------------------------------------------------------------
void CStudioRender::ModelStats( const DrawModelInfo_t& info, const StudioRenderContext_t &rc,
matrix3x4_t *pBoneToWorld, const FlexWeights_t &flex, int flags )
{
StudioRenderContext_t StatsRC = rc;
StatsRC.m_Config.m_bStatsMode = true;
m_pRC = const_cast< StudioRenderContext_t* >( &StatsRC );
m_pFlexWeights = flex.m_pFlexWeights;
m_pFlexDelayedWeights = flex.m_pFlexDelayedWeights;
m_pBoneToWorld = pBoneToWorld;
CMatRenderContextPtr pRenderContext( g_pMaterialSystem );
// Disable flex if we're told to...
bool flexConfig = m_pRC->m_Config.bFlex;
if (flags & STUDIORENDER_DRAW_NO_FLEXES)
{
m_pRC->m_Config.bFlex = false;
}
// Enable wireframe if we're told to...
bool bWireframe = m_pRC->m_Config.bWireframe;
if ( flags & STUDIORENDER_DRAW_WIREFRAME )
{
m_pRC->m_Config.bWireframe = true;
}
int boneMask = BONE_USED_BY_VERTEX_AT_LOD( info.m_Lod );
// Preserve the matrices if we're skinning
pRenderContext->MatrixMode( MATERIAL_MODEL );
pRenderContext->PushMatrix();
pRenderContext->LoadIdentity();
m_VertexCache.StartModel();
m_pStudioHdr = info.m_pStudioHdr;
m_pStudioMeshes = info.m_pHardwareData->m_pLODs[info.m_Lod].m_pMeshData;
// Bone to world must be set before calling drawmodel; it uses that here
ComputePoseToWorld( m_PoseToWorld, m_pStudioHdr, boneMask, m_pRC->m_ViewOrigin, pBoneToWorld );
R_StudioRenderModel( pRenderContext, info.m_Skin, info.m_Body, info.m_HitboxSet, info.m_pClientEntity,
info.m_pHardwareData->m_pLODs[info.m_Lod].ppMaterials,
info.m_pHardwareData->m_pLODs[info.m_Lod].pMaterialFlags, flags, boneMask, info.m_Lod, info.m_pColorMeshes);
// Restore the matrices if we're skinning
pRenderContext->MatrixMode( MATERIAL_MODEL );
pRenderContext->PopMatrix();
// Restore the configs
m_pRC->m_Config.bFlex = flexConfig;
m_pRC->m_Config.bWireframe = bWireframe;
#ifdef REPORT_FLEX_STATS
GetFlexStats();
#endif
StatsRC.m_Config.m_bStatsMode = false;
pRenderContext->SetNumBoneWeights( 0 );
m_pRC = NULL;
m_pBoneToWorld = NULL;
m_pFlexWeights = NULL;
m_pFlexDelayedWeights = NULL;
}