/* * This program source code file is part of KiCad, a free EDA CAD application. * * Copyright (C) 2015-2016 Mario Luzeiro * Copyright (C) 1992-2016 KiCad Developers, see AUTHORS.txt for contributors. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, you may find one here: * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html * or you may search the http://www.gnu.org website for the version 2 license, * or you may write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */ /** * @file c3d_render_createscene.cpp * @brief */ #include "c3d_render_raytracing.h" #include "shapes3D/cplane.h" #include "shapes3D/croundseg.h" #include "shapes3D/clayeritem.h" #include "shapes3D/ccylinder.h" #include "shapes3D/ctriangle.h" #include "shapes2D/citemlayercsg2d.h" #include "shapes2D/cring2d.h" #include "shapes2D/cpolygon2d.h" #include "shapes2D/cfilledcircle2d.h" #include "accelerators/cbvh_pbrt.h" #include "3d_fastmath.h" #include "3d_math.h" #include #include #include #include // To use GetRunningMicroSecs or another profiling utility /** * Scale convertion from 3d model units to pcb units */ #define UNITS3D_TO_UNITSPCB (IU_PER_MM) void C3D_RENDER_RAYTRACING::setupMaterials() { if( m_settings.GetFlag( FL_RENDER_RAYTRACING_PROCEDURAL_TEXTURES ) ) { m_board_normal_perturbator = CBOARDNORMAL( 0.5f * IU_PER_MM * m_settings.BiuTo3Dunits() ); m_copper_normal_perturbator = CCOPPERNORMAL( 4.0f * IU_PER_MM * m_settings.BiuTo3Dunits(), &m_board_normal_perturbator ); m_solder_mask_normal_perturbator = CSOLDERMASKNORMAL( &m_board_normal_perturbator ); m_plastic_normal_perturbator = CPLASTICNORMAL( 0.15f * IU_PER_MM * m_settings.BiuTo3Dunits() ); m_plastic_shine_normal_perturbator = CPLASTICSHINENORMAL( 1.0f * IU_PER_MM * m_settings.BiuTo3Dunits() ); m_brushed_metal_normal_perturbator = CMETALBRUSHEDNORMAL( 1.0f * IU_PER_MM * m_settings.BiuTo3Dunits() ); } // http://devernay.free.fr/cours/opengl/materials.html // Copper m_materials.m_Copper = CBLINN_PHONG_MATERIAL( ConvertSRGBToLinear( (SFVEC3F)m_settings.m_CopperColor ) * (SFVEC3F)(0.18f), // ambient SFVEC3F( 0.0f, 0.0f, 0.0f ), // emissive glm::clamp( ((SFVEC3F)(1.0f) - ConvertSRGBToLinear( (SFVEC3F)m_settings.m_CopperColor ) ), SFVEC3F( 0.0f ), SFVEC3F( 0.35f ) ), // specular 0.4f * 128.0f, // shiness 0.0f, // transparency 0.0f ); if( m_settings.GetFlag( FL_RENDER_RAYTRACING_PROCEDURAL_TEXTURES ) ) m_materials.m_Copper.SetNormalPerturbator( &m_copper_normal_perturbator ); m_materials.m_Paste = CBLINN_PHONG_MATERIAL( ConvertSRGBToLinear( (SFVEC3F)m_settings.m_SolderPasteColor ) * ConvertSRGBToLinear( (SFVEC3F)m_settings.m_SolderPasteColor ), // ambient SFVEC3F( 0.0f, 0.0f, 0.0f ), // emissive ConvertSRGBToLinear( (SFVEC3F)m_settings.m_SolderPasteColor ) * ConvertSRGBToLinear( (SFVEC3F)m_settings.m_SolderPasteColor ), // specular 0.10f * 128.0f, // shiness 0.0f, // transparency 0.0f ); m_materials.m_SilkS = CBLINN_PHONG_MATERIAL( ConvertSRGBToLinear( SFVEC3F( 0.11f ) ),// ambient SFVEC3F( 0.0f, 0.0f, 0.0f ), // emissive glm::clamp( ((SFVEC3F)(1.0f) - ConvertSRGBToLinear( (SFVEC3F)m_settings.m_SilkScreenColor) ), SFVEC3F( 0.0f ), SFVEC3F( 0.10f ) ), // specular 0.078125f * 128.0f, // shiness 0.0f, // transparency 0.0f ); const float solderMask_gray = ( m_settings.m_SolderMaskColor.r + m_settings.m_SolderMaskColor.g + m_settings.m_SolderMaskColor.b ) / 3.0f; const float solderMask_transparency = solderMask_gray * 0.40f + 0.005f; m_materials.m_SolderMask = CBLINN_PHONG_MATERIAL( ConvertSRGBToLinear( (SFVEC3F)m_settings.m_SolderMaskColor ) * 0.10f, // ambient SFVEC3F( 0.0f, 0.0f, 0.0f ), // emissive glm::clamp( ( (SFVEC3F)( 1.0f ) - ConvertSRGBToLinear( (SFVEC3F)m_settings.m_SolderMaskColor ) ), SFVEC3F( 0.0f ), SFVEC3F( solderMask_gray * 2.0f ) ), // specular 0.85f * 128.0f, // shiness solderMask_transparency, // transparency 0.16f ); // reflection m_materials.m_SolderMask.SetCastShadows( true ); m_materials.m_SolderMask.SetNrRefractionsSamples( 1 ); m_materials.m_SolderMask.SetNrReflectionsSamples( 2 ); if( m_settings.GetFlag( FL_RENDER_RAYTRACING_PROCEDURAL_TEXTURES ) ) m_materials.m_SolderMask.SetNormalPerturbator( &m_solder_mask_normal_perturbator ); m_materials.m_EpoxyBoard = CBLINN_PHONG_MATERIAL( ConvertSRGBToLinear( SFVEC3F( 16.0f / 255.0f, 14.0f / 255.0f, 10.0f / 255.0f ) ), // ambient SFVEC3F( 0.0f, 0.0f, 0.0f ), // emissive ConvertSRGBToLinear( SFVEC3F( 10.0f / 255.0f, 8.0f / 255.0f, 10.0f / 255.0f ) ), // specular 0.1f * 128.0f, // shiness 0.10f, // transparency 0.0f ); // reflection m_materials.m_EpoxyBoard.SetAbsorvance( 10.0f ); m_materials.m_EpoxyBoard.SetNrRefractionsSamples( 3 ); if( m_settings.GetFlag( FL_RENDER_RAYTRACING_PROCEDURAL_TEXTURES ) ) m_materials.m_EpoxyBoard.SetNormalPerturbator( &m_board_normal_perturbator ); SFVEC3F bgTop = ConvertSRGBToLinear( (SFVEC3F)m_settings.m_BgColorTop ); //SFVEC3F bgBot = (SFVEC3F)m_settings.m_BgColorBot; m_materials.m_Floor = CBLINN_PHONG_MATERIAL( bgTop * 0.125f, // ambient SFVEC3F( 0.0f, 0.0f, 0.0f ), // emissive (SFVEC3F(1.0f) - bgTop) / 3.0f, // specular 0.10f * 128.0f, // shiness 0.0f, // transparency 0.50f ); // reflection } /** Function create_3d_object_from * @brief Creates on or more 3D objects form a 2D object and Z positions. It try * optimize some types of objects that will be faster to trace than the * CLAYERITEM object. * @param aObject2D * @param aZMin * @param aZMax */ void C3D_RENDER_RAYTRACING::create_3d_object_from( CCONTAINER &aDstContainer, const COBJECT2D *aObject2D, float aZMin, float aZMax, const CMATERIAL *aMaterial, const SFVEC3F &aObjColor ) { switch( aObject2D->GetObjectType() ) { case OBJ2D_DUMMYBLOCK: { m_stats_converted_dummy_to_plane++; #if 1 CXYPLANE *objPtr; objPtr = new CXYPLANE( CBBOX ( SFVEC3F( aObject2D->GetBBox().Min().x, aObject2D->GetBBox().Min().y, aZMin ), SFVEC3F( aObject2D->GetBBox().Max().x, aObject2D->GetBBox().Max().y, aZMin ) ) ); objPtr->SetMaterial( aMaterial ); objPtr->SetColor( ConvertSRGBToLinear( aObjColor ) ); aDstContainer.Add( objPtr ); objPtr = new CXYPLANE( CBBOX ( SFVEC3F( aObject2D->GetBBox().Min().x, aObject2D->GetBBox().Min().y, aZMax ), SFVEC3F( aObject2D->GetBBox().Max().x, aObject2D->GetBBox().Max().y, aZMax ) ) ); objPtr->SetMaterial( aMaterial ); objPtr->SetColor( ConvertSRGBToLinear( aObjColor ) ); aDstContainer.Add( objPtr ); #else objPtr = new CDUMMYBLOCK( CBBOX ( SFVEC3F( aObject2D->GetBBox().Min().x, aObject2D->GetBBox().Min().y, aZMin ), SFVEC3F( aObject2D->GetBBox().Max().x, aObject2D->GetBBox().Max().y, aZMax ) ) ); objPtr->SetMaterial( aMaterial ); aDstContainer.Add( objPtr ); #endif } break; case OBJ2D_ROUNDSEG: { m_stats_converted_roundsegment2d_to_roundsegment++; const CROUNDSEGMENT2D *aRoundSeg2D = static_cast( aObject2D ); CROUNDSEG *objPtr = new CROUNDSEG( *aRoundSeg2D, aZMin, aZMax ); objPtr->SetMaterial( aMaterial ); objPtr->SetColor( ConvertSRGBToLinear( aObjColor ) ); aDstContainer.Add( objPtr ); } break; default: { CLAYERITEM *objPtr = new CLAYERITEM( aObject2D, aZMin, aZMax ); objPtr->SetMaterial( aMaterial ); objPtr->SetColor( ConvertSRGBToLinear( aObjColor ) ); aDstContainer.Add( objPtr ); } break; } } void C3D_RENDER_RAYTRACING::reload( REPORTER *aStatusTextReporter ) { m_reloadRequested = false; m_model_materials.clear(); COBJECT2D_STATS::Instance().ResetStats(); COBJECT3D_STATS::Instance().ResetStats(); #ifdef PRINT_STATISTICS_3D_VIEWER printf("InitSettings...\n"); #endif unsigned stats_startReloadTime = GetRunningMicroSecs(); m_settings.InitSettings( aStatusTextReporter ); #ifdef PRINT_STATISTICS_3D_VIEWER unsigned stats_endReloadTime = GetRunningMicroSecs(); unsigned stats_startConvertTime = GetRunningMicroSecs(); #endif SFVEC3F camera_pos = m_settings.GetBoardCenter3DU(); m_settings.CameraGet().SetBoardLookAtPos( camera_pos ); m_object_container.Clear(); m_containerWithObjectsToDelete.Clear(); // Create and add the outline board // ///////////////////////////////////////////////////////////////////////// #ifdef PRINT_STATISTICS_3D_VIEWER printf("Create outline board...\n"); #endif delete m_outlineBoard2dObjects; m_outlineBoard2dObjects = new CCONTAINER2D; if( ((const SHAPE_POLY_SET &)m_settings.GetBoardPoly()).OutlineCount() == 1 ) { float divFactor = 0.0f; if( m_settings.GetStats_Nr_Vias() ) divFactor = m_settings.GetStats_Med_Via_Hole_Diameter3DU() * 18.0f; else if( m_settings.GetStats_Nr_Holes() ) divFactor = m_settings.GetStats_Med_Hole_Diameter3DU() * 8.0f; SHAPE_POLY_SET boardPolyCopy = m_settings.GetBoardPoly(); boardPolyCopy.Fracture( SHAPE_POLY_SET::PM_FAST ); Convert_path_polygon_to_polygon_blocks_and_dummy_blocks( boardPolyCopy, *m_outlineBoard2dObjects, m_settings.BiuTo3Dunits(), divFactor, (const BOARD_ITEM &)*m_settings.GetBoard() ); if( m_settings.GetFlag( FL_SHOW_BOARD_BODY ) ) { const LIST_OBJECT2D &listObjects = m_outlineBoard2dObjects->GetList(); for( LIST_OBJECT2D::const_iterator object2d_iterator = listObjects.begin(); object2d_iterator != listObjects.end(); ++object2d_iterator ) { const COBJECT2D *object2d_A = static_cast(*object2d_iterator); std::vector *object2d_B = new std::vector(); // Check if there are any THT that intersects this outline object part if( !m_settings.GetThroughHole_Outer().GetList().empty() ) { CONST_LIST_OBJECT2D intersectionList; m_settings.GetThroughHole_Outer().GetListObjectsIntersects( object2d_A->GetBBox(), intersectionList ); if( !intersectionList.empty() ) { for( CONST_LIST_OBJECT2D::const_iterator hole = intersectionList.begin(); hole != intersectionList.end(); ++hole ) { const COBJECT2D *hole2d = static_cast(*hole); if( object2d_A->Intersects( hole2d->GetBBox() ) ) //if( object2d_A->GetBBox().Intersects( hole2d->GetBBox() ) ) object2d_B->push_back( hole2d ); } } } if( object2d_B->empty() ) { delete object2d_B; object2d_B = CSGITEM_EMPTY; } if( object2d_B == CSGITEM_EMPTY ) { #if 0 create_3d_object_from( m_object_container, object2d_A, m_settings.GetLayerBottomZpos3DU( F_Cu ), m_settings.GetLayerBottomZpos3DU( B_Cu ), &m_materials.m_EpoxyBoard, g_epoxyColor ); #else CLAYERITEM *objPtr = new CLAYERITEM( object2d_A, m_settings.GetLayerBottomZpos3DU( F_Cu ), m_settings.GetLayerBottomZpos3DU( B_Cu ) ); objPtr->SetMaterial( &m_materials.m_EpoxyBoard ); objPtr->SetColor( ConvertSRGBToLinear( (SFVEC3F)m_settings.m_BoardBodyColor ) ); m_object_container.Add( objPtr ); #endif } else { CITEMLAYERCSG2D *itemCSG2d = new CITEMLAYERCSG2D( object2d_A, object2d_B, CSGITEM_FULL, (const BOARD_ITEM &)*m_settings.GetBoard() ); m_containerWithObjectsToDelete.Add( itemCSG2d ); CLAYERITEM *objPtr = new CLAYERITEM( itemCSG2d, m_settings.GetLayerBottomZpos3DU( F_Cu ), m_settings.GetLayerBottomZpos3DU( B_Cu ) ); objPtr->SetMaterial( &m_materials.m_EpoxyBoard ); objPtr->SetColor( ConvertSRGBToLinear( (SFVEC3F)m_settings.m_BoardBodyColor ) ); m_object_container.Add( objPtr ); } } // Add cylinders of the board body to container // Note: This is actually a workarround for the holes in the board. // The issue is because if a hole is in a border of a divided polygon ( ex // a polygon or dummyblock) it will cut also the render of the hole. // So this will add a full hole. // In fact, that is not need if the hole have copper. // ///////////////////////////////////////////////////////////////////////// if( !m_settings.GetThroughHole_Outer().GetList().empty() ) { const LIST_OBJECT2D &holeList = m_settings.GetThroughHole_Outer().GetList(); for( LIST_OBJECT2D::const_iterator hole = holeList.begin(); hole != holeList.end(); ++hole ) { const COBJECT2D *hole2d = static_cast(*hole); switch( hole2d->GetObjectType() ) { case OBJ2D_FILLED_CIRCLE: { const float radius = hole2d->GetBBox().GetExtent().x * 0.5f * 0.999f; CVCYLINDER *objPtr = new CVCYLINDER( hole2d->GetCentroid(), NextFloatDown( m_settings.GetLayerBottomZpos3DU( F_Cu ) ), NextFloatUp( m_settings.GetLayerBottomZpos3DU( B_Cu ) ), radius ); objPtr->SetMaterial( &m_materials.m_EpoxyBoard ); objPtr->SetColor( ConvertSRGBToLinear( (SFVEC3F)m_settings.m_BoardBodyColor ) ); m_object_container.Add( objPtr ); } break; default: break; } } } } } // Add layers maps (except B_Mask and F_Mask) // ///////////////////////////////////////////////////////////////////////// #ifdef PRINT_STATISTICS_3D_VIEWER printf("Add layers maps...\n"); #endif for( MAP_CONTAINER_2D::const_iterator ii = m_settings.GetMapLayers().begin(); ii != m_settings.GetMapLayers().end(); ++ii ) { PCB_LAYER_ID layer_id = static_cast(ii->first); // Mask kayers are not processed here because they are a special case if( (layer_id == B_Mask) || (layer_id == F_Mask) ) continue; CMATERIAL *materialLayer = &m_materials.m_SilkS; SFVEC3F layerColor = SFVEC3F( 0.0f, 0.0f, 0.0f ); switch( layer_id ) { case B_Adhes: case F_Adhes: break; case B_Paste: case F_Paste: materialLayer = &m_materials.m_Paste; if( m_settings.GetFlag( FL_USE_REALISTIC_MODE ) ) layerColor = m_settings.m_SolderPasteColor; else layerColor = m_settings.GetLayerColor( layer_id ); break; case B_SilkS: case F_SilkS: materialLayer = &m_materials.m_SilkS; if( m_settings.GetFlag( FL_USE_REALISTIC_MODE ) ) layerColor = m_settings.m_SilkScreenColor; else layerColor = m_settings.GetLayerColor( layer_id ); break; case Dwgs_User: case Cmts_User: case Eco1_User: case Eco2_User: case Edge_Cuts: case Margin: break; case B_CrtYd: case F_CrtYd: break; case B_Fab: case F_Fab: break; default: materialLayer = &m_materials.m_Copper; if( m_settings.GetFlag( FL_USE_REALISTIC_MODE ) ) layerColor = m_settings.m_CopperColor; else layerColor = m_settings.GetLayerColor( layer_id ); break; } const CBVHCONTAINER2D *container2d = static_cast(ii->second); const LIST_OBJECT2D &listObject2d = container2d->GetList(); for( LIST_OBJECT2D::const_iterator itemOnLayer = listObject2d.begin(); itemOnLayer != listObject2d.end(); ++itemOnLayer ) { const COBJECT2D *object2d_A = static_cast(*itemOnLayer); // not yet used / implemented (can be used in future to clip the objects in the board borders COBJECT2D *object2d_C = CSGITEM_FULL; std::vector *object2d_B = CSGITEM_EMPTY; if( true ) // previously, was a option, now holes are always drawn in zones { object2d_B = new std::vector(); // Check if there are any layerhole that intersects this object // Eg: a segment is cutted by a via hole or THT hole. // ///////////////////////////////////////////////////////////// const MAP_CONTAINER_2D &layerHolesMap = m_settings.GetMapLayersHoles(); if( layerHolesMap.find(layer_id) != layerHolesMap.end() ) { MAP_CONTAINER_2D::const_iterator ii_hole = layerHolesMap.find(layer_id); const CBVHCONTAINER2D *containerLayerHoles2d = static_cast(ii_hole->second); CONST_LIST_OBJECT2D intersectionList; containerLayerHoles2d->GetListObjectsIntersects( object2d_A->GetBBox(), intersectionList ); if( !intersectionList.empty() ) { for( CONST_LIST_OBJECT2D::const_iterator holeOnLayer = intersectionList.begin(); holeOnLayer != intersectionList.end(); ++holeOnLayer ) { const COBJECT2D *hole2d = static_cast(*holeOnLayer); //if( object2d_A->Intersects( hole2d->GetBBox() ) ) //if( object2d_A->GetBBox().Intersects( hole2d->GetBBox() ) ) object2d_B->push_back( hole2d ); } } } // Check if there are any THT that intersects this object // ///////////////////////////////////////////////////////////// if( !m_settings.GetThroughHole_Outer().GetList().empty() ) { CONST_LIST_OBJECT2D intersectionList; m_settings.GetThroughHole_Outer().GetListObjectsIntersects( object2d_A->GetBBox(), intersectionList ); if( !intersectionList.empty() ) { for( CONST_LIST_OBJECT2D::const_iterator hole = intersectionList.begin(); hole != intersectionList.end(); ++hole ) { const COBJECT2D *hole2d = static_cast(*hole); //if( object2d_A->Intersects( hole2d->GetBBox() ) ) //if( object2d_A->GetBBox().Intersects( hole2d->GetBBox() ) ) object2d_B->push_back( hole2d ); } } } if( object2d_B->empty() ) { delete object2d_B; object2d_B = CSGITEM_EMPTY; } } if( (object2d_B == CSGITEM_EMPTY) && (object2d_C == CSGITEM_FULL) ) { #if 0 create_3d_object_from( m_object_container, object2d_A, m_settings.GetLayerBottomZpos3DU( layer_id ), m_settings.GetLayerTopZpos3DU( layer_id ), materialLayer, layerColor ); #else CLAYERITEM *objPtr = new CLAYERITEM( object2d_A, m_settings.GetLayerBottomZpos3DU( layer_id ), m_settings.GetLayerTopZpos3DU( layer_id ) ); objPtr->SetMaterial( materialLayer ); objPtr->SetColor( ConvertSRGBToLinear( layerColor ) ); m_object_container.Add( objPtr ); #endif } else { #if 1 CITEMLAYERCSG2D *itemCSG2d = new CITEMLAYERCSG2D( object2d_A, object2d_B, object2d_C, object2d_A->GetBoardItem() ); m_containerWithObjectsToDelete.Add( itemCSG2d ); CLAYERITEM *objPtr = new CLAYERITEM( itemCSG2d, m_settings.GetLayerBottomZpos3DU( layer_id ), m_settings.GetLayerTopZpos3DU( layer_id ) ); objPtr->SetMaterial( materialLayer ); objPtr->SetColor( ConvertSRGBToLinear( layerColor ) ); m_object_container.Add( objPtr ); #endif } } }// for each layer on map // Add Mask layer // Solder mask layers are "negative" layers so the elements that we have // (in the container) should remove the board outline. // We will check for all objects in the outline if it intersects any object // in the layer container and also any hole. // ///////////////////////////////////////////////////////////////////////// if( m_settings.GetFlag( FL_SOLDERMASK ) && (m_outlineBoard2dObjects->GetList().size() >= 1) ) { CMATERIAL *materialLayer = &m_materials.m_SolderMask; for( MAP_CONTAINER_2D::const_iterator ii = m_settings.GetMapLayers().begin(); ii != m_settings.GetMapLayers().end(); ++ii ) { PCB_LAYER_ID layer_id = static_cast(ii->first); const CBVHCONTAINER2D *containerLayer2d = static_cast(ii->second); // Only get the Solder mask layers if( !((layer_id == B_Mask) || (layer_id == F_Mask)) ) continue; SFVEC3F layerColor; if( m_settings.GetFlag( FL_USE_REALISTIC_MODE ) ) layerColor = m_settings.m_SolderMaskColor; else layerColor = m_settings.GetLayerColor( layer_id ); const float zLayerMin = m_settings.GetLayerBottomZpos3DU( layer_id ); const float zLayerMax = m_settings.GetLayerTopZpos3DU( layer_id ); // Get the outline board objects const LIST_OBJECT2D &listObjects = m_outlineBoard2dObjects->GetList(); for( LIST_OBJECT2D::const_iterator object2d_iterator = listObjects.begin(); object2d_iterator != listObjects.end(); ++object2d_iterator ) { const COBJECT2D *object2d_A = static_cast(*object2d_iterator); std::vector *object2d_B = new std::vector(); // Check if there are any THT that intersects this outline object part if( !m_settings.GetThroughHole_Outer().GetList().empty() ) { CONST_LIST_OBJECT2D intersectionList; m_settings.GetThroughHole_Outer().GetListObjectsIntersects( object2d_A->GetBBox(), intersectionList ); if( !intersectionList.empty() ) { for( CONST_LIST_OBJECT2D::const_iterator hole = intersectionList.begin(); hole != intersectionList.end(); ++hole ) { const COBJECT2D *hole2d = static_cast(*hole); if( object2d_A->Intersects( hole2d->GetBBox() ) ) //if( object2d_A->GetBBox().Intersects( hole2d->GetBBox() ) ) object2d_B->push_back( hole2d ); } } } // Check if there are any objects in the layer to subtract with the // corrent object if( !containerLayer2d->GetList().empty() ) { CONST_LIST_OBJECT2D intersectionList; containerLayer2d->GetListObjectsIntersects( object2d_A->GetBBox(), intersectionList ); if( !intersectionList.empty() ) { for( CONST_LIST_OBJECT2D::const_iterator obj = intersectionList.begin(); obj != intersectionList.end(); ++obj ) { const COBJECT2D *obj2d = static_cast(*obj); //if( object2d_A->Intersects( obj2d->GetBBox() ) ) //if( object2d_A->GetBBox().Intersects( obj2d->GetBBox() ) ) object2d_B->push_back( obj2d ); } } } if( object2d_B->empty() ) { delete object2d_B; object2d_B = CSGITEM_EMPTY; } if( object2d_B == CSGITEM_EMPTY ) { #if 0 create_3d_object_from( m_object_container, object2d_A, zLayerMin, zLayerMax, materialLayer, layerColor ); #else CLAYERITEM *objPtr = new CLAYERITEM( object2d_A, zLayerMin, zLayerMax ); objPtr->SetMaterial( materialLayer ); objPtr->SetColor( ConvertSRGBToLinear( layerColor ) ); m_object_container.Add( objPtr ); #endif } else { CITEMLAYERCSG2D *itemCSG2d = new CITEMLAYERCSG2D( object2d_A, object2d_B, CSGITEM_FULL, object2d_A->GetBoardItem() ); m_containerWithObjectsToDelete.Add( itemCSG2d ); CLAYERITEM *objPtr = new CLAYERITEM( itemCSG2d, zLayerMin, zLayerMax ); objPtr->SetMaterial( materialLayer ); objPtr->SetColor( ConvertSRGBToLinear( layerColor ) ); m_object_container.Add( objPtr ); } } } } add_3D_vias_and_pads_to_container(); #ifdef PRINT_STATISTICS_3D_VIEWER unsigned stats_endConvertTime = GetRunningMicroSecs(); unsigned stats_startLoad3DmodelsTime = stats_endConvertTime; #endif load_3D_models(); #ifdef PRINT_STATISTICS_3D_VIEWER unsigned stats_endLoad3DmodelsTime = GetRunningMicroSecs(); #endif // Add floor // ///////////////////////////////////////////////////////////////////////// if( m_settings.GetFlag( FL_RENDER_RAYTRACING_BACKFLOOR ) ) { CBBOX boardBBox = m_settings.GetBBox3DU(); if( boardBBox.IsInitialized() ) { boardBBox.Scale( 3.0f ); if( m_object_container.GetList().size() > 0 ) { CBBOX containerBBox = m_object_container.GetBBox(); containerBBox.Scale( 1.3f ); const SFVEC3F centerBBox = containerBBox.GetCenter(); const float minZ = glm::min( containerBBox.Min().z, boardBBox.Min().z ); const SFVEC3F v1 = SFVEC3F( -RANGE_SCALE_3D * 4.0f, -RANGE_SCALE_3D * 4.0f, minZ ) + SFVEC3F( centerBBox.x, centerBBox.y, 0.0f ); const SFVEC3F v3 = SFVEC3F( +RANGE_SCALE_3D * 4.0f, +RANGE_SCALE_3D * 4.0f, minZ ) + SFVEC3F( centerBBox.x, centerBBox.y, 0.0f ); const SFVEC3F v2 = SFVEC3F( v1.x, v3.y, v1.z ); const SFVEC3F v4 = SFVEC3F( v3.x, v1.y, v1.z ); CTRIANGLE *newTriangle1 = new CTRIANGLE( v1, v2, v3 ); CTRIANGLE *newTriangle2 = new CTRIANGLE( v3, v4, v1 ); m_object_container.Add( newTriangle1 ); m_object_container.Add( newTriangle2 ); newTriangle1->SetMaterial( (const CMATERIAL *)&m_materials.m_Floor ); newTriangle2->SetMaterial( (const CMATERIAL *)&m_materials.m_Floor ); newTriangle1->SetColor( ConvertSRGBToLinear( (SFVEC3F)m_settings.m_BgColorTop ) ); newTriangle2->SetColor( ConvertSRGBToLinear( (SFVEC3F)m_settings.m_BgColorTop ) ); } } } // Init initial lights // ///////////////////////////////////////////////////////////////////////// m_lights.Clear(); // This will work as the front camera light. const float light_camera_intensity = 0.20; const float light_top_bottom = 0.25; const float light_directional_intensity = ( 1.0f - ( light_camera_intensity + light_top_bottom * 0.5f ) ) / 4.0f; m_camera_light = new CDIRECTIONALLIGHT( SFVEC3F( 0.0f, 0.0f, 0.0f ), SFVEC3F( light_camera_intensity ) ); m_camera_light->SetCastShadows( false ); m_lights.Add( m_camera_light ); // Option 1 - using Point Lights const SFVEC3F &boarCenter = m_settings.GetBBox3DU().GetCenter(); m_lights.Add( new CPOINTLIGHT( SFVEC3F( boarCenter.x, boarCenter.y, +RANGE_SCALE_3D * 2.0f ), SFVEC3F( light_top_bottom ) ) ); m_lights.Add( new CPOINTLIGHT( SFVEC3F( boarCenter.x, boarCenter.y, -RANGE_SCALE_3D * 2.0f ), SFVEC3F( light_top_bottom ) ) ); // http://www.flashandmath.com/mathlets/multicalc/coords/shilmay23fin.html // Option 2 - Top/Bottom direction lights /* m_lights.Add( new CDIRECTIONALLIGHT( SphericalToCartesian( glm::pi() * 0.03f, glm::pi() * 0.25f ), SFVEC3F( light_top_bottom ) ) ); m_lights.Add( new CDIRECTIONALLIGHT( SphericalToCartesian( glm::pi() * 0.97f, glm::pi() * 1.25f ), SFVEC3F( light_top_bottom ) ) ); */ m_lights.Add( new CDIRECTIONALLIGHT( SphericalToCartesian( glm::pi() * 1.0f / 8.0f, glm::pi() * 1 / 4.0f ), SFVEC3F( light_directional_intensity ) ) ); m_lights.Add( new CDIRECTIONALLIGHT( SphericalToCartesian( glm::pi() * 1.0f / 8.0f, glm::pi() * 3 / 4.0f ), SFVEC3F( light_directional_intensity ) ) ); m_lights.Add( new CDIRECTIONALLIGHT( SphericalToCartesian( glm::pi() * 1.0f / 8.0f, glm::pi() * 5 / 4.0f ), SFVEC3F( light_directional_intensity ) ) ); m_lights.Add( new CDIRECTIONALLIGHT( SphericalToCartesian( glm::pi() * 1.0f / 8.0f, glm::pi() * 7 / 4.0f ), SFVEC3F( light_directional_intensity ) ) ); m_lights.Add( new CDIRECTIONALLIGHT( SphericalToCartesian( glm::pi() * 7.0f / 8.0f, glm::pi() * 1 / 4.0f ), SFVEC3F( light_directional_intensity ) ) ); m_lights.Add( new CDIRECTIONALLIGHT( SphericalToCartesian( glm::pi() * 7.0f / 8.0f, glm::pi() * 3 / 4.0f ), SFVEC3F( light_directional_intensity ) ) ); m_lights.Add( new CDIRECTIONALLIGHT( SphericalToCartesian( glm::pi() * 7.0f / 8.0f, glm::pi() * 5 / 4.0f ), SFVEC3F( light_directional_intensity ) ) ); m_lights.Add( new CDIRECTIONALLIGHT( SphericalToCartesian( glm::pi() * 7.0f / 8.0f, glm::pi() * 7 / 4.0f ), SFVEC3F( light_directional_intensity ) ) ); // Create an accelerator // ///////////////////////////////////////////////////////////////////////// #ifdef PRINT_STATISTICS_3D_VIEWER unsigned stats_startAcceleratorTime = GetRunningMicroSecs(); #endif if( m_accelerator ) { delete m_accelerator; } m_accelerator = 0; m_accelerator = new CBVH_PBRT( m_object_container ); #ifdef PRINT_STATISTICS_3D_VIEWER unsigned stats_endAcceleratorTime = GetRunningMicroSecs(); #endif setupMaterials(); #ifdef PRINT_STATISTICS_3D_VIEWER printf( "C3D_RENDER_RAYTRACING::reload times:\n" ); printf( " Reload board: %.3f ms\n", (float)( stats_endReloadTime - stats_startReloadTime ) / 1000.0f ); printf( " Convert to 3D objects: %.3f ms\n", (float)( stats_endConvertTime - stats_startConvertTime ) / 1000.0f ); printf( " Accelerator construction: %.3f ms\n", (float)( stats_endAcceleratorTime - stats_startAcceleratorTime ) / 1000.0f ); printf( " Load and add 3D models: %.3f ms\n", (float)( stats_endLoad3DmodelsTime - stats_startLoad3DmodelsTime ) / 1000.0f ); printf( "Optimizations\n" ); printf( " m_stats_converted_dummy_to_plane: %u\n", m_stats_converted_dummy_to_plane ); printf( " m_stats_converted_roundsegment2d_to_roundsegment: %u\n", m_stats_converted_roundsegment2d_to_roundsegment ); COBJECT2D_STATS::Instance().PrintStats(); COBJECT3D_STATS::Instance().PrintStats(); #endif if( aStatusTextReporter ) { // Calculation time in seconds const double calculation_time = (double)( GetRunningMicroSecs() - stats_startReloadTime ) / 1e6; aStatusTextReporter->Report( wxString::Format( _( "Reload time %.3f s" ), calculation_time ) ); } } // Based on draw3DViaHole from // 3d_draw_helper_functions.cpp void C3D_RENDER_RAYTRACING::insert3DViaHole( const VIA* aVia ) { PCB_LAYER_ID top_layer, bottom_layer; int radiusBUI = (aVia->GetDrillValue() / 2); aVia->LayerPair( &top_layer, &bottom_layer ); float topZ = m_settings.GetLayerBottomZpos3DU( top_layer ) + m_settings.GetCopperThickness3DU(); float botZ = m_settings.GetLayerBottomZpos3DU( bottom_layer ) - m_settings.GetCopperThickness3DU(); const SFVEC2F center = SFVEC2F( aVia->GetStart().x * m_settings.BiuTo3Dunits(), -aVia->GetStart().y * m_settings.BiuTo3Dunits() ); CRING2D *ring = new CRING2D( center, radiusBUI * m_settings.BiuTo3Dunits(), ( radiusBUI + m_settings.GetCopperThicknessBIU() ) * m_settings.BiuTo3Dunits(), *aVia ); m_containerWithObjectsToDelete.Add( ring ); CLAYERITEM *objPtr = new CLAYERITEM( ring, topZ, botZ ); objPtr->SetMaterial( &m_materials.m_Copper ); if( m_settings.GetFlag( FL_USE_REALISTIC_MODE ) ) objPtr->SetColor( ConvertSRGBToLinear( (SFVEC3F)m_settings.m_CopperColor ) ); else objPtr->SetColor( ConvertSRGBToLinear( m_settings.GetItemColor( LAYER_VIAS + aVia->GetViaType() ) ) ); m_object_container.Add( objPtr ); } // Based on draw3DPadHole from // 3d_draw_helper_functions.cpp void C3D_RENDER_RAYTRACING::insert3DPadHole( const D_PAD* aPad ) { const COBJECT2D *object2d_A = NULL; SFVEC3F objColor; if( m_settings.GetFlag( FL_USE_REALISTIC_MODE ) ) objColor = (SFVEC3F)m_settings.m_CopperColor; else objColor = m_settings.GetItemColor( LAYER_PADS_TH ); const wxSize drillsize = aPad->GetDrillSize(); const bool hasHole = drillsize.x && drillsize.y; if( !hasHole ) return; const float topZ = m_settings.GetLayerBottomZpos3DU( F_Cu ) + m_settings.GetCopperThickness3DU(); const float botZ = m_settings.GetLayerBottomZpos3DU( B_Cu ) - m_settings.GetCopperThickness3DU(); if( drillsize.x == drillsize.y ) // usual round hole { SFVEC2F center = SFVEC2F( aPad->GetPosition().x * m_settings.BiuTo3Dunits(), -aPad->GetPosition().y * m_settings.BiuTo3Dunits() ); CRING2D *ring = new CRING2D( center, ( drillsize.x / 2 ) * m_settings.BiuTo3Dunits(), ( ( drillsize.x / 2 ) + m_settings.GetCopperThicknessBIU() ) * m_settings.BiuTo3Dunits(), *aPad ); m_containerWithObjectsToDelete.Add( ring ); object2d_A = ring; } else // Oblong hole { wxPoint ends_offset; int width; if( drillsize.x > drillsize.y ) // Horizontal oval { ends_offset.x = ( drillsize.x - drillsize.y ) / 2; width = drillsize.y; } else // Vertical oval { ends_offset.y = ( drillsize.y - drillsize.x ) / 2; width = drillsize.x; } RotatePoint( &ends_offset, aPad->GetOrientation() ); wxPoint start = aPad->GetPosition() + ends_offset; wxPoint end = aPad->GetPosition() - ends_offset; CROUNDSEGMENT2D *innerSeg = new CROUNDSEGMENT2D( SFVEC2F( start.x * m_settings.BiuTo3Dunits(), -start.y * m_settings.BiuTo3Dunits() ), SFVEC2F( end.x * m_settings.BiuTo3Dunits(), -end.y * m_settings.BiuTo3Dunits() ), width * m_settings.BiuTo3Dunits(), *aPad ); CROUNDSEGMENT2D *outterSeg = new CROUNDSEGMENT2D( SFVEC2F( start.x * m_settings.BiuTo3Dunits(), -start.y * m_settings.BiuTo3Dunits() ), SFVEC2F( end.x * m_settings.BiuTo3Dunits(), -end.y * m_settings.BiuTo3Dunits() ), ( width + m_settings.GetCopperThicknessBIU() * 2 ) * m_settings.BiuTo3Dunits(), *aPad ); // NOTE: the round segment width is the "diameter", so we double the thickness std::vector *object2d_B = new std::vector(); object2d_B->push_back( innerSeg ); CITEMLAYERCSG2D *itemCSG2d = new CITEMLAYERCSG2D( outterSeg, object2d_B, CSGITEM_FULL, *aPad ); m_containerWithObjectsToDelete.Add( itemCSG2d ); m_containerWithObjectsToDelete.Add( innerSeg ); m_containerWithObjectsToDelete.Add( outterSeg ); object2d_A = itemCSG2d; } if( object2d_A ) { std::vector *object2d_B = new std::vector(); // Check if there are any other THT that intersects this hole // It will use the non inflated holes if( !m_settings.GetThroughHole_Inner().GetList().empty() ) { CONST_LIST_OBJECT2D intersectionList; m_settings.GetThroughHole_Inner().GetListObjectsIntersects( object2d_A->GetBBox(), intersectionList ); if( !intersectionList.empty() ) { for( CONST_LIST_OBJECT2D::const_iterator hole = intersectionList.begin(); hole != intersectionList.end(); ++hole ) { const COBJECT2D *hole2d = static_cast(*hole); if( object2d_A->Intersects( hole2d->GetBBox() ) ) //if( object2d_A->GetBBox().Intersects( hole2d->GetBBox() ) ) object2d_B->push_back( hole2d ); } } } if( object2d_B->empty() ) { delete object2d_B; object2d_B = CSGITEM_EMPTY; } if( object2d_B == CSGITEM_EMPTY ) { CLAYERITEM *objPtr = new CLAYERITEM( object2d_A, topZ, botZ ); objPtr->SetMaterial( &m_materials.m_Copper ); objPtr->SetColor( ConvertSRGBToLinear( objColor ) ); m_object_container.Add( objPtr ); } else { CITEMLAYERCSG2D *itemCSG2d = new CITEMLAYERCSG2D( object2d_A, object2d_B, CSGITEM_FULL, (const BOARD_ITEM &)*aPad ); m_containerWithObjectsToDelete.Add( itemCSG2d ); CLAYERITEM *objPtr = new CLAYERITEM( itemCSG2d, topZ, botZ ); objPtr->SetMaterial( &m_materials.m_Copper ); objPtr->SetColor( ConvertSRGBToLinear( objColor ) ); m_object_container.Add( objPtr ); } } } void C3D_RENDER_RAYTRACING::add_3D_vias_and_pads_to_container() { // Insert plated vertical holes inside the board // ///////////////////////////////////////////////////////////////////////// // Insert vias holes (vertical cylinders) for( auto track : m_settings.GetBoard()->Tracks() ) { if( track->Type() == PCB_VIA_T ) { const VIA *via = static_cast(track); insert3DViaHole( via ); } } // Insert pads holes (vertical cylinders) for( auto module : m_settings.GetBoard()->Modules() ) { for( auto pad : module->Pads() ) if( pad->GetAttribute () != PAD_ATTRIB_HOLE_NOT_PLATED ) { insert3DPadHole( pad ); } } } void C3D_RENDER_RAYTRACING::load_3D_models() { // Go for all modules for( auto module : m_settings.GetBoard()->Modules() ) { if( (!module->Models().empty() ) && m_settings.ShouldModuleBeDisplayed( (MODULE_ATTR_T)module->GetAttributes() ) ) { double zpos = m_settings.GetModulesZcoord3DIU( module->IsFlipped() ); wxPoint pos = module->GetPosition(); glm::mat4 moduleMatrix = glm::mat4( 1.0f ); moduleMatrix = glm::translate( moduleMatrix, SFVEC3F( pos.x * m_settings.BiuTo3Dunits(), -pos.y * m_settings.BiuTo3Dunits(), zpos ) ); if( module->GetOrientation() ) { moduleMatrix = glm::rotate( moduleMatrix, ( (float)(module->GetOrientation() / 10.0f) / 180.0f ) * glm::pi(), SFVEC3F( 0.0f, 0.0f, 1.0f ) ); } if( module->IsFlipped() ) { moduleMatrix = glm::rotate( moduleMatrix, glm::pi(), SFVEC3F( 0.0f, 1.0f, 0.0f ) ); moduleMatrix = glm::rotate( moduleMatrix, glm::pi(), SFVEC3F( 0.0f, 0.0f, 1.0f ) ); } const double modelunit_to_3d_units_factor = m_settings.BiuTo3Dunits() * UNITS3D_TO_UNITSPCB; moduleMatrix = glm::scale( moduleMatrix, SFVEC3F( modelunit_to_3d_units_factor, modelunit_to_3d_units_factor, modelunit_to_3d_units_factor ) ); // Get the list of model files for this model auto sM = module->Models().begin(); auto eM = module->Models().end(); while( sM != eM ) { // get it from cache const S3DMODEL *modelPtr = m_settings.Get3DCacheManager()->GetModel( sM->m_Filename ); // only add it if the return is not NULL if( modelPtr ) { glm::mat4 modelMatrix = moduleMatrix; modelMatrix = glm::translate( modelMatrix, SFVEC3F( sM->m_Offset.x, sM->m_Offset.y, sM->m_Offset.z ) ); modelMatrix = glm::rotate( modelMatrix, (float)-( sM->m_Rotation.z / 180.0f ) * glm::pi(), SFVEC3F( 0.0f, 0.0f, 1.0f ) ); modelMatrix = glm::rotate( modelMatrix, (float)-( sM->m_Rotation.y / 180.0f ) * glm::pi(), SFVEC3F( 0.0f, 1.0f, 0.0f ) ); modelMatrix = glm::rotate( modelMatrix, (float)-( sM->m_Rotation.x / 180.0f ) * glm::pi(), SFVEC3F( 1.0f, 0.0f, 0.0f ) ); modelMatrix = glm::scale( modelMatrix, SFVEC3F( sM->m_Scale.x, sM->m_Scale.y, sM->m_Scale.z ) ); add_3D_models( modelPtr, modelMatrix ); } ++sM; } } } } void C3D_RENDER_RAYTRACING::add_3D_models( const S3DMODEL *a3DModel, const glm::mat4 &aModelMatrix ) { // Validate a3DModel pointers wxASSERT( a3DModel != NULL ); if( a3DModel == NULL ) return; wxASSERT( a3DModel->m_Materials != NULL ); wxASSERT( a3DModel->m_Meshes != NULL ); wxASSERT( a3DModel->m_MaterialsSize > 0 ); wxASSERT( a3DModel->m_MeshesSize > 0 ); if( (a3DModel->m_Materials != NULL) && (a3DModel->m_Meshes != NULL) && (a3DModel->m_MaterialsSize > 0) && (a3DModel->m_MeshesSize > 0) ) { MODEL_MATERIALS *materialVector; // Try find if the materials already exists in the map list if( m_model_materials.find( a3DModel ) != m_model_materials.end() ) { // Found it, so get the pointer materialVector = &m_model_materials[a3DModel]; } else { // Materials was not found in the map, so it will create a new for // this model. m_model_materials[a3DModel] = MODEL_MATERIALS(); materialVector = &m_model_materials[a3DModel]; materialVector->resize( a3DModel->m_MaterialsSize ); for( unsigned int imat = 0; imat < a3DModel->m_MaterialsSize; ++imat ) { if( m_settings.MaterialModeGet() == MATERIAL_MODE_NORMAL ) { const SMATERIAL &material = a3DModel->m_Materials[imat]; // http://www.fooplot.com/#W3sidHlwZSI6MCwiZXEiOiJtaW4oc3FydCh4LTAuMzUpKjAuNDAtMC4wNSwxLjApIiwiY29sb3IiOiIjMDAwMDAwIn0seyJ0eXBlIjoxMDAwLCJ3aW5kb3ciOlsiMC4wNzA3NzM2NzMyMzY1OTAxMiIsIjEuNTY5NTcxNjI5MjI1NDY5OCIsIi0wLjI3NDYzNTMyMTc1OTkyOTMiLCIwLjY0NzcwMTg4MTkyNTUzNjIiXSwic2l6ZSI6WzY0NCwzOTRdfV0- float reflectionFactor = 0.0f; if( (material.m_Shininess - 0.35f) > FLT_EPSILON ) { reflectionFactor = glm::clamp( glm::sqrt( (material.m_Shininess - 0.35f) ) * 0.40f - 0.05f, 0.0f, 0.5f ); } CBLINN_PHONG_MATERIAL &blinnMaterial = (*materialVector)[imat]; SFVEC3F ambient; if( m_settings.GetFlag( FL_RENDER_RAYTRACING_POST_PROCESSING ) ) { // apply a gain to the (dark) ambient colors // http://www.fooplot.com/#W3sidHlwZSI6MCwiZXEiOiIoKHgrMC4yMCleKDEvMi4wMCkpLTAuMzUiLCJjb2xvciI6IiMwMDAwMDAifSx7InR5cGUiOjAsImVxIjoieCIsImNvbG9yIjoiIzAwMDAwMCJ9LHsidHlwZSI6MTAwMCwid2luZG93IjpbIi0xLjI0OTUwNTMzOTIyMzYyIiwiMS42Nzc4MzQ0MTg1NjcxODQzIiwiLTAuNDM1NTA0NjQyODEwOTMwMjYiLCIxLjM2NTkzNTIwODEzNzI1OCJdLCJzaXplIjpbNjQ5LDM5OV19XQ-- // ambient = glm::max( (glm::pow((material.m_Ambient + 0.20f), SFVEC3F(1.0f / 2.00f)) - SFVEC3F(0.35f)), material.m_Ambient ); // http://www.fooplot.com/#W3sidHlwZSI6MCwiZXEiOiIoKHgrMC4yMCleKDEvMS41OCkpLTAuMzUiLCJjb2xvciI6IiMwMDAwMDAifSx7InR5cGUiOjAsImVxIjoieCIsImNvbG9yIjoiIzAwMDAwMCJ9LHsidHlwZSI6MTAwMCwid2luZG93IjpbIi0xLjI0OTUwNTMzOTIyMzYyIiwiMS42Nzc4MzQ0MTg1NjcxODQzIiwiLTAuNDM1NTA0NjQyODEwOTMwMjYiLCIxLjM2NTkzNTIwODEzNzI1OCJdLCJzaXplIjpbNjQ5LDM5OV19XQ-- //ambient = glm::max( (glm::pow((material.m_Ambient + 0.20f), SFVEC3F(1.0f / 1.58f)) - SFVEC3F(0.35f)), material.m_Ambient ); // http://www.fooplot.com/#W3sidHlwZSI6MCwiZXEiOiIoKHgrMC4yMCleKDEvMS41NCkpLTAuMzQiLCJjb2xvciI6IiMwMDAwMDAifSx7InR5cGUiOjAsImVxIjoieCIsImNvbG9yIjoiIzAwMDAwMCJ9LHsidHlwZSI6MTAwMCwid2luZG93IjpbIi0yLjcyMTA5NTg0MjA1MDYwNSIsIjEuODUyODcyNTI5NDk3NTIyMyIsIi0xLjQyMTM3NjAxOTkyOTA4MDYiLCIxLjM5MzM3Mzc0NzE3NzQ2MTIiXSwic2l6ZSI6WzY0OSwzOTldfV0- ambient = ConvertSRGBToLinear( glm::pow((material.m_Ambient + 0.30f), SFVEC3F(1.0f / 1.54f)) - SFVEC3F(0.34f) ); } else { ambient = ConvertSRGBToLinear( material.m_Ambient ); } blinnMaterial = CBLINN_PHONG_MATERIAL( ambient, ConvertSRGBToLinear( material.m_Emissive ), ConvertSRGBToLinear( material.m_Specular ), material.m_Shininess * 180.0f, material.m_Transparency, reflectionFactor ); if( m_settings.GetFlag( FL_RENDER_RAYTRACING_PROCEDURAL_TEXTURES ) ) { // Guess material type and apply a normal perturbator if( ( RGBtoGray(material.m_Diffuse) < 0.3f ) && ( material.m_Shininess < 0.36f ) && ( material.m_Transparency == 0.0f ) && ( (glm::abs( material.m_Diffuse.r - material.m_Diffuse.g ) < 0.15f) && (glm::abs( material.m_Diffuse.b - material.m_Diffuse.g ) < 0.15f) && (glm::abs( material.m_Diffuse.r - material.m_Diffuse.b ) < 0.15f) ) ) { // This may be a black plastic.. if( material.m_Shininess < 0.26f ) blinnMaterial.SetNormalPerturbator( &m_plastic_normal_perturbator ); else blinnMaterial.SetNormalPerturbator( &m_plastic_shine_normal_perturbator ); } else { if( ( RGBtoGray(material.m_Diffuse) > 0.3f ) && ( material.m_Shininess < 0.30f ) && ( material.m_Transparency == 0.0f ) && ( (glm::abs( material.m_Diffuse.r - material.m_Diffuse.g ) > 0.25f) || (glm::abs( material.m_Diffuse.b - material.m_Diffuse.g ) > 0.25f) || (glm::abs( material.m_Diffuse.r - material.m_Diffuse.b ) > 0.25f) ) ) { // This may be a color plastic ... blinnMaterial.SetNormalPerturbator( &m_plastic_shine_normal_perturbator ); } else { if( ( RGBtoGray(material.m_Diffuse) > 0.6f ) && ( material.m_Shininess > 0.35f ) && ( material.m_Transparency == 0.0f ) && ( (glm::abs( material.m_Diffuse.r - material.m_Diffuse.g ) < 0.40f) && (glm::abs( material.m_Diffuse.b - material.m_Diffuse.g ) < 0.40f) && (glm::abs( material.m_Diffuse.r - material.m_Diffuse.b ) < 0.40f) ) ) { // This may be a brushed metal blinnMaterial.SetNormalPerturbator( &m_brushed_metal_normal_perturbator ); } } } } } else { (*materialVector)[imat] = CBLINN_PHONG_MATERIAL( SFVEC3F( 0.2f ), SFVEC3F( 0.0f ), SFVEC3F( 0.0f ), 0.0f, 0.0f, 0.0f ); } } } const glm::mat3 normalMatrix = glm::transpose( glm::inverse( glm::mat3( aModelMatrix ) ) ); for( unsigned int mesh_i = 0; mesh_i < a3DModel->m_MeshesSize; ++mesh_i ) { const SMESH &mesh = a3DModel->m_Meshes[mesh_i]; // Validate the mesh pointers wxASSERT( mesh.m_Positions != NULL ); wxASSERT( mesh.m_FaceIdx != NULL ); wxASSERT( mesh.m_Normals != NULL ); wxASSERT( mesh.m_FaceIdxSize > 0 ); wxASSERT( (mesh.m_FaceIdxSize % 3) == 0 ); if( (mesh.m_Positions != NULL) && (mesh.m_Normals != NULL) && (mesh.m_FaceIdx != NULL) && (mesh.m_FaceIdxSize > 0) && (mesh.m_VertexSize > 0) && ((mesh.m_FaceIdxSize % 3) == 0) && (mesh.m_MaterialIdx < a3DModel->m_MaterialsSize) ) { const CBLINN_PHONG_MATERIAL &blinn_material = (*materialVector)[mesh.m_MaterialIdx]; // Add all face triangles for( unsigned int faceIdx = 0; faceIdx < mesh.m_FaceIdxSize; faceIdx += 3 ) { const unsigned int idx0 = mesh.m_FaceIdx[faceIdx + 0]; const unsigned int idx1 = mesh.m_FaceIdx[faceIdx + 1]; const unsigned int idx2 = mesh.m_FaceIdx[faceIdx + 2]; wxASSERT( idx0 < mesh.m_VertexSize ); wxASSERT( idx1 < mesh.m_VertexSize ); wxASSERT( idx2 < mesh.m_VertexSize ); if( ( idx0 < mesh.m_VertexSize ) && ( idx1 < mesh.m_VertexSize ) && ( idx2 < mesh.m_VertexSize ) ) { const SFVEC3F &v0 = mesh.m_Positions[idx0]; const SFVEC3F &v1 = mesh.m_Positions[idx1]; const SFVEC3F &v2 = mesh.m_Positions[idx2]; const SFVEC3F &n0 = mesh.m_Normals[idx0]; const SFVEC3F &n1 = mesh.m_Normals[idx1]; const SFVEC3F &n2 = mesh.m_Normals[idx2]; // Transform vertex with the model matrix const SFVEC3F vt0 = SFVEC3F( aModelMatrix * glm::vec4( v0, 1.0f) ); const SFVEC3F vt1 = SFVEC3F( aModelMatrix * glm::vec4( v1, 1.0f) ); const SFVEC3F vt2 = SFVEC3F( aModelMatrix * glm::vec4( v2, 1.0f) ); const SFVEC3F nt0 = glm::normalize( SFVEC3F( normalMatrix * n0 ) ); const SFVEC3F nt1 = glm::normalize( SFVEC3F( normalMatrix * n1 ) ); const SFVEC3F nt2 = glm::normalize( SFVEC3F( normalMatrix * n2 ) ); CTRIANGLE *newTriangle = new CTRIANGLE( vt0, vt2, vt1, nt0, nt2, nt1 ); m_object_container.Add( newTriangle ); newTriangle->SetMaterial( (const CMATERIAL *)&blinn_material ); if( mesh.m_Color == NULL ) { const SFVEC3F diffuseColor = a3DModel->m_Materials[mesh.m_MaterialIdx].m_Diffuse; if( m_settings.MaterialModeGet() == MATERIAL_MODE_CAD_MODE ) newTriangle->SetColor( ConvertSRGBToLinear( MaterialDiffuseToColorCAD( diffuseColor ) ) ); else newTriangle->SetColor( ConvertSRGBToLinear( diffuseColor ) ); } else { if( m_settings.MaterialModeGet() == MATERIAL_MODE_CAD_MODE ) newTriangle->SetColor( ConvertSRGBToLinear( MaterialDiffuseToColorCAD( mesh.m_Color[idx0] ) ), ConvertSRGBToLinear( MaterialDiffuseToColorCAD( mesh.m_Color[idx1] ) ), ConvertSRGBToLinear( MaterialDiffuseToColorCAD( mesh.m_Color[idx2] ) ) ); else newTriangle->SetColor( ConvertSRGBToLinear( mesh.m_Color[idx0] ), ConvertSRGBToLinear( mesh.m_Color[idx1] ), ConvertSRGBToLinear( mesh.m_Color[idx2] ) ); } } } } } } }