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181 lines
5.2 KiB
181 lines
5.2 KiB
//===== Copyright © Valve Corporation, All rights reserved. ========//
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#include "platform.h"
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#include "bsplog.h"
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#include "qhConvex.h"
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#include "cmodel.h"
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#include "cmodel_private.h"
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#include "utlhashtable.h"
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#include "tier1/fmtstr.h"
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CBspDebugLog::CBspDebugLog( const char *pName )
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{
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m_nBaseVertex = 0;
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m_File = g_pFullFileSystem->Open( pName, "wt" );
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g_pFullFileSystem->FPrintf( m_File, "mtllib bsp_debug_log.mtl\n" );
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m_bFlush = false;
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m_nBrushCount = 0;
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m_nBoxCount = 0;
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/*
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newmtl initialShadingGroup
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illum 4
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Kd 0.50 0.50 0.50
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Ka 0.00 0.00 0.00
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Tf 1.00 1.00 1.00
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Ni 1.00
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newmtl start
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illum 4
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Kd 0.50 1.00 0.50
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Ka 0.00 0.00 0.00
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Tf 1.00 1.00 1.00
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Ni 1.00
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newmtl end
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illum 4
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Kd 0.50 0.50 1.00
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Ka 0.00 0.00 0.00
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Tf 1.00 1.00 1.00
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Ni 1.00
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newmtl irrelevant
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illum 4
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Kd 0.50 0.50 0.50
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Ka 0.00 0.00 0.00
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Tf 0.40 0.40 0.40
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Ni 1.00
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newmtl relevant
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illum 4
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Kd 0.75 0.75 0.75
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Ka 0.00 0.00 0.00
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Tf 1.00 1.00 1.00
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Ni 1.00
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*/
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}
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CBspDebugLog::~CBspDebugLog()
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{
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g_pFullFileSystem->Close( m_File );
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}
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void CBspDebugLog::AddBox( const char *pName, const char *pMtl, const Vector &mins, const Vector &maxs )
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{
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g_pFullFileSystem->FPrintf( m_File, "g default\nusemtl %s\n", pMtl );
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g_pFullFileSystem->FPrintf( m_File, "v %f %f %f\n", mins.x, mins.y, maxs.z );
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g_pFullFileSystem->FPrintf( m_File, "v %f %f %f\n", maxs.x, mins.y, maxs.z );
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g_pFullFileSystem->FPrintf( m_File, "v %f %f %f\n", mins.x, maxs.y, maxs.z );
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g_pFullFileSystem->FPrintf( m_File, "v %f %f %f\n", maxs.x, maxs.y, maxs.z );
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g_pFullFileSystem->FPrintf( m_File, "v %f %f %f\n", mins.x, maxs.y, mins.z );
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g_pFullFileSystem->FPrintf( m_File, "v %f %f %f\n", maxs.x, maxs.y, mins.z );
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g_pFullFileSystem->FPrintf( m_File, "v %f %f %f\n", mins.x, mins.y, mins.z );
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g_pFullFileSystem->FPrintf( m_File, "v %f %f %f\n", maxs.x, mins.y, mins.z );
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int n = m_nBaseVertex;
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g_pFullFileSystem->FPrintf( m_File, "g %s\nusemtl %s\n", pName, pMtl );
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g_pFullFileSystem->FPrintf( m_File, "f %d %d %d %d\n", n + 1, n + 2, n + 4, n + 3 );
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g_pFullFileSystem->FPrintf( m_File, "f %d %d %d %d\n", n + 3, n + 4, n + 6, n + 5 );
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g_pFullFileSystem->FPrintf( m_File, "f %d %d %d %d\n", n + 5, n + 6, n + 8, n + 7 );
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g_pFullFileSystem->FPrintf( m_File, "f %d %d %d %d\n", n + 7, n + 8, n + 2, n + 1 );
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g_pFullFileSystem->FPrintf( m_File, "f %d %d %d %d\n", n + 2, n + 8, n + 6, n + 4 );
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g_pFullFileSystem->FPrintf( m_File, "f %d %d %d %d\n", n + 7, n + 1, n + 3, n + 5 );
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m_nBaseVertex += 8;
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g_pFullFileSystem->FPrintf( m_File, "s off\n" );
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if ( m_bFlush )
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g_pFullFileSystem->Flush( m_File );
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++m_nBoxCount;
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}
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void CBspDebugLog::AddBrush( const char *pName, const char *pMtl, cbrushside_t * RESTRICT pSides, int nSides )
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{
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Vector vCenter = vec3_origin;
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float flMargin = -0.25f;
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float flPadding = -0.5f; // must be deeper than margin
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bool bFoundCenter = false;
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for ( int nAttempt = 0; nAttempt < 160; ++nAttempt )
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{
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bFoundCenter = true;
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for ( int nSide = 0; nSide < nSides; ++nSide )
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{
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const cplane_t &plane = *pSides[ nSide ].plane;
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float f = DotProduct( vCenter, plane.normal ) - plane.dist;
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if ( f < flMargin )
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continue;
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bFoundCenter = false;
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vCenter -= plane.normal * ( f - flPadding );
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}
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if ( bFoundCenter )
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break;
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}
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if ( !bFoundCenter )
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{
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Msg( "Cannot find brush %s convex hull", pName );
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return;
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}
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CUtlVector< qhVector3 > dualVerts;
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dualVerts.SetCount( nSides );
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for ( int i = 0; i < nSides; ++i )
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{
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const cplane_t &plane = *pSides[ i ].plane;
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float d = plane.dist - DotProduct( plane.normal, vCenter );
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Vector dv = plane.normal / d;
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dualVerts[ i ].X = dv.x;
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dualVerts[ i ].Y = dv.y;
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dualVerts[ i ].Z = dv.z;
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}
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qhConvex dualConvex;
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dualConvex.Construct( nSides, dualVerts.Base(), 0.00001f );
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g_pFullFileSystem->FPrintf( m_File, "g default\nusemtl %s\n", pMtl );
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CUtlHashtable< qhFace*, int > dualFaceToPrimalVertexIndex;
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CUtlVector< CUtlString > primalFaces;
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for ( const qhVertex *pDualVertex = dualConvex.GetVertexList().Begin(); pDualVertex != dualConvex.GetVertexList().End(); pDualVertex = pDualVertex->Next )
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{
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//Vector dualPos( dualVertex.Position.X, dualVertex.Position.Y, dualVertex.Position.Z );
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qhHalfEdge *pEdge = pDualVertex->Edge;
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CUtlString primalVerts;
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do
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{
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qhFace *pFace = pEdge->Face;
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UtlHashHandle_t nFind = dualFaceToPrimalVertexIndex.Find( pFace );
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int nPrimalVert;
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if ( nFind == dualFaceToPrimalVertexIndex.InvalidHandle() )
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{
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Vector vPrimal = vCenter + Vector( pFace->Plane.Normal.X, pFace->Plane.Normal.Y, pFace->Plane.Normal.Z ) / pFace->Plane.Offset;
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g_pFullFileSystem->FPrintf( m_File, "v %f %f %f\n", vPrimal.x, vPrimal.y, vPrimal.z );
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dualFaceToPrimalVertexIndex.Insert( pFace, nPrimalVert = ++m_nBaseVertex );
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}
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else
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{
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nPrimalVert = dualFaceToPrimalVertexIndex.Element( nFind );
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}
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CUtlString pv;
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pv.Format( " %d", nPrimalVert );
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primalVerts = pv + primalVerts;
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pEdge = pEdge->Twin->Next;
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}
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while (pEdge != pDualVertex->Edge);
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primalFaces.AddToTail( primalVerts );
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}
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g_pFullFileSystem->FPrintf( m_File, "g %s\nusemtl %s\n", pName, pMtl );
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for ( int i = 0; i < primalFaces.Count(); ++i )
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{
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g_pFullFileSystem->FPrintf( m_File, "f%s\n", primalFaces[ i ].Get() );
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}
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if ( m_bFlush )
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{
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g_pFullFileSystem->Flush( m_File );
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}
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m_nBrushCount++;
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}
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