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kicad/3d-viewer/3d_rendering/raytracing/create_scene.cpp
Jeff Young 94f995c49e Reduce dependency on dynamic_cast. 
(Especially where it is no-worky on MacOS.)

Fixes https://gitlab.com/kicad/code/kicad/-/issues/17245
2024-09-04 17:24:49 +01:00

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015-2022 Mario Luzeiro <mrluzeiro@ua.pt>
* Copyright (C) 2023 CERN
* Copyright (C) 2015-2024 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
*/
#include "render_3d_raytrace_base.h"
#include "shapes3D/plane_3d.h"
#include "shapes3D/round_segment_3d.h"
#include "shapes3D/layer_item_3d.h"
#include "shapes3D/cylinder_3d.h"
#include "shapes3D/triangle_3d.h"
#include "shapes2D/layer_item_2d.h"
#include "shapes2D/ring_2d.h"
#include "shapes2D/polygon_2d.h"
#include "shapes2D/filled_circle_2d.h"
#include "shapes2D/round_segment_2d.h"
#include "accelerators/bvh_pbrt.h"
#include "3d_fastmath.h"
#include "3d_math.h"
#include <board.h>
#include <footprint.h>
#include <fp_lib_table.h>
#include <eda_3d_viewer_frame.h>
#include <project_pcb.h>
#include <base_units.h>
#include <core/profile.h> // To use GetRunningMicroSecs or another profiling utility
/**
* Perform an interpolation step to easy control the transparency based on the
* gray color value and transparency.
*
* @param aGrayColorValue - diffuse gray value
* @param aTransparency - control
* @return transparency to use in material
*/
static float TransparencyControl( float aGrayColorValue, float aTransparency )
{
const float aaa = aTransparency * aTransparency * aTransparency;
// 1.00-1.05*(1.0-x)^3
float ca = 1.0f - aTransparency;
ca = 1.00f - 1.05f * ca * ca * ca;
return glm::max( glm::min( aGrayColorValue * ca + aaa, 1.0f ), 0.0f );
}
/**
* Scale conversion from 3d model units to pcb units
*/
#define UNITS3D_TO_UNITSPCB ( pcbIUScale.IU_PER_MM )
void RENDER_3D_RAYTRACE_BASE::setupMaterials()
{
MATERIAL::SetDefaultRefractionRayCount( m_boardAdapter.m_Cfg->m_Render.raytrace_nrsamples_refractions );
MATERIAL::SetDefaultReflectionRayCount( m_boardAdapter.m_Cfg->m_Render.raytrace_nrsamples_reflections );
MATERIAL::SetDefaultRefractionRecursionCount( m_boardAdapter.m_Cfg->m_Render.raytrace_recursivelevel_refractions );
MATERIAL::SetDefaultReflectionRecursionCount( m_boardAdapter.m_Cfg->m_Render.raytrace_recursivelevel_reflections );
double mmTo3Dunits = pcbIUScale.IU_PER_MM * m_boardAdapter.BiuTo3dUnits();
if( m_boardAdapter.m_Cfg->m_Render.raytrace_procedural_textures )
{
m_boardMaterial = BOARD_NORMAL( 0.40f * mmTo3Dunits );
m_copperMaterial = COPPER_NORMAL( 4.0f * mmTo3Dunits, &m_boardMaterial );
m_platedCopperMaterial = PLATED_COPPER_NORMAL( 0.5f * mmTo3Dunits );
m_solderMaskMaterial = SOLDER_MASK_NORMAL( &m_boardMaterial );
m_plasticMaterial = PLASTIC_NORMAL( 0.05f * mmTo3Dunits );
m_shinyPlasticMaterial = PLASTIC_SHINE_NORMAL( 0.1f * mmTo3Dunits );
m_brushedMetalMaterial = BRUSHED_METAL_NORMAL( 0.05f * mmTo3Dunits );
m_silkScreenMaterial = SILK_SCREEN_NORMAL( 0.25f * mmTo3Dunits );
}
// http://devernay.free.fr/cours/opengl/materials.html
// Copper
const SFVEC3F copperSpecularLinear =
ConvertSRGBToLinear( glm::clamp( (SFVEC3F) m_boardAdapter.m_CopperColor * 0.5f + 0.25f,
SFVEC3F( 0.0f ), SFVEC3F( 1.0f ) ) );
m_materials.m_Copper = BLINN_PHONG_MATERIAL(
ConvertSRGBToLinear( (SFVEC3F) m_boardAdapter.m_CopperColor * 0.3f ),
SFVEC3F( 0.0f ), copperSpecularLinear, 0.4f * 128.0f, 0.0f, 0.0f );
if( m_boardAdapter.m_Cfg->m_Render.raytrace_procedural_textures )
m_materials.m_Copper.SetGenerator( &m_platedCopperMaterial );
m_materials.m_NonPlatedCopper = BLINN_PHONG_MATERIAL(
ConvertSRGBToLinear( SFVEC3F( 0.191f, 0.073f, 0.022f ) ), SFVEC3F( 0.0f, 0.0f, 0.0f ),
SFVEC3F( 0.256f, 0.137f, 0.086f ), 0.15f * 128.0f, 0.0f, 0.0f );
if( m_boardAdapter.m_Cfg->m_Render.raytrace_procedural_textures )
m_materials.m_NonPlatedCopper.SetGenerator( &m_copperMaterial );
m_materials.m_Paste = BLINN_PHONG_MATERIAL(
ConvertSRGBToLinear( (SFVEC3F) m_boardAdapter.m_SolderPasteColor )
* ConvertSRGBToLinear( (SFVEC3F) m_boardAdapter.m_SolderPasteColor ),
SFVEC3F( 0.0f, 0.0f, 0.0f ),
ConvertSRGBToLinear( (SFVEC3F) m_boardAdapter.m_SolderPasteColor )
* ConvertSRGBToLinear(
(SFVEC3F) m_boardAdapter.m_SolderPasteColor ),
0.10f * 128.0f, 0.0f, 0.0f );
m_materials.m_SilkS = BLINN_PHONG_MATERIAL( ConvertSRGBToLinear( SFVEC3F( 0.11f ) ),
SFVEC3F( 0.0f, 0.0f, 0.0f ),
glm::clamp( ( ( SFVEC3F )( 1.0f ) - ConvertSRGBToLinear(
(SFVEC3F) m_boardAdapter.m_SilkScreenColorTop ) ),
SFVEC3F( 0.0f ), SFVEC3F( 0.10f ) ), 0.078125f * 128.0f, 0.0f, 0.0f );
if( m_boardAdapter.m_Cfg->m_Render.raytrace_procedural_textures )
m_materials.m_SilkS.SetGenerator( &m_silkScreenMaterial );
// Assume that SolderMaskTop == SolderMaskBot
const float solderMask_gray =
( m_boardAdapter.m_SolderMaskColorTop.r + m_boardAdapter.m_SolderMaskColorTop.g
+ m_boardAdapter.m_SolderMaskColorTop.b )
/ 3.0f;
const float solderMask_transparency = TransparencyControl( solderMask_gray,
1.0f - m_boardAdapter.m_SolderMaskColorTop.a );
m_materials.m_SolderMask = BLINN_PHONG_MATERIAL(
ConvertSRGBToLinear( (SFVEC3F) m_boardAdapter.m_SolderMaskColorTop ) * 0.10f,
SFVEC3F( 0.0f, 0.0f, 0.0f ),
SFVEC3F( glm::clamp( solderMask_gray * 2.0f, 0.25f, 1.0f ) ), 0.85f * 128.0f,
solderMask_transparency, 0.16f );
m_materials.m_SolderMask.SetCastShadows( true );
m_materials.m_SolderMask.SetRefractionRayCount( 1 );
if( m_boardAdapter.m_Cfg->m_Render.raytrace_procedural_textures )
m_materials.m_SolderMask.SetGenerator( &m_solderMaskMaterial );
m_materials.m_EpoxyBoard =
BLINN_PHONG_MATERIAL( ConvertSRGBToLinear( SFVEC3F( 16.0f / 255.0f, 14.0f / 255.0f,
10.0f / 255.0f ) ),
SFVEC3F( 0.0f, 0.0f, 0.0f ),
ConvertSRGBToLinear( SFVEC3F( 10.0f / 255.0f, 8.0f / 255.0f,
10.0f / 255.0f ) ),
0.1f * 128.0f, 1.0f - m_boardAdapter.m_BoardBodyColor.a, 0.0f );
m_materials.m_EpoxyBoard.SetAbsorvance( 10.0f );
if( m_boardAdapter.m_Cfg->m_Render.raytrace_procedural_textures )
m_materials.m_EpoxyBoard.SetGenerator( &m_boardMaterial );
SFVEC3F bgTop = ConvertSRGBToLinear( (SFVEC3F) m_boardAdapter.m_BgColorTop );
m_materials.m_Floor = BLINN_PHONG_MATERIAL( bgTop * 0.125f, SFVEC3F( 0.0f, 0.0f, 0.0f ),
( SFVEC3F( 1.0f ) - bgTop ) / 3.0f,
0.10f * 128.0f, 1.0f, 0.50f );
m_materials.m_Floor.SetCastShadows( false );
m_materials.m_Floor.SetReflectionRecursionCount( 1 );
}
void RENDER_3D_RAYTRACE_BASE::createObject( CONTAINER_3D& aDstContainer, const OBJECT_2D* aObject2D,
float aZMin, float aZMax, const MATERIAL* aMaterial,
const SFVEC3F& aObjColor )
{
switch( aObject2D->GetObjectType() )
{
case OBJECT_2D_TYPE::DUMMYBLOCK:
{
m_convertedDummyBlockCount++;
XY_PLANE* objPtr;
objPtr = new XY_PLANE( BBOX_3D(
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 XY_PLANE( BBOX_3D(
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 );
break;
}
case OBJECT_2D_TYPE::ROUNDSEG:
{
m_converted2dRoundSegmentCount++;
const ROUND_SEGMENT_2D* aRoundSeg2D = static_cast<const ROUND_SEGMENT_2D*>( aObject2D );
ROUND_SEGMENT* objPtr = new ROUND_SEGMENT( *aRoundSeg2D, aZMin, aZMax );
objPtr->SetMaterial( aMaterial );
objPtr->SetColor( ConvertSRGBToLinear( aObjColor ) );
aDstContainer.Add( objPtr );
break;
}
default:
{
LAYER_ITEM* objPtr = new LAYER_ITEM( aObject2D, aZMin, aZMax );
objPtr->SetMaterial( aMaterial );
objPtr->SetColor( ConvertSRGBToLinear( aObjColor ) );
aDstContainer.Add( objPtr );
break;
}
}
}
void RENDER_3D_RAYTRACE_BASE::createItemsFromContainer( const BVH_CONTAINER_2D* aContainer2d,
PCB_LAYER_ID aLayer_id,
const MATERIAL* aMaterialLayer,
const SFVEC3F& aLayerColor,
float aLayerZOffset )
{
if( aContainer2d == nullptr )
return;
EDA_3D_VIEWER_SETTINGS::RENDER_SETTINGS& cfg = m_boardAdapter.m_Cfg->m_Render;
bool isSilk = aLayer_id == B_SilkS || aLayer_id == F_SilkS;
const LIST_OBJECT2D& listObject2d = aContainer2d->GetList();
if( listObject2d.size() == 0 )
return;
for( const OBJECT_2D* object2d_A : listObject2d )
{
// not yet used / implemented (can be used in future to clip the objects in the
// board borders
OBJECT_2D* object2d_C = CSGITEM_FULL;
std::vector<const OBJECT_2D*>* object2d_B = CSGITEM_EMPTY;
object2d_B = new std::vector<const OBJECT_2D*>();
// Subtract holes but not in SolderPaste
// (can be added as an option in future)
if( !( aLayer_id == B_Paste || aLayer_id == F_Paste ) )
{
// Check if there are any layerhole that intersects this object
// Eg: a segment is cut by a via hole or THT hole.
const MAP_CONTAINER_2D_BASE& layerHolesMap = m_boardAdapter.GetLayerHoleMap();
if( layerHolesMap.find( aLayer_id ) != layerHolesMap.end() )
{
const BVH_CONTAINER_2D* holes2d = layerHolesMap.at( aLayer_id );
CONST_LIST_OBJECT2D intersecting;
holes2d->GetIntersectingObjects( object2d_A->GetBBox(), intersecting );
for( const OBJECT_2D* hole2d : intersecting )
object2d_B->push_back( hole2d );
}
// Check if there are any THT that intersects this object. If we're processing a silk
// layer and the flag is set, then clip the silk at the outer edge of the annular ring,
// rather than the at the outer edge of the copper plating.
const BVH_CONTAINER_2D& throughHoleOuter =
cfg.clip_silk_on_via_annuli && isSilk ? m_boardAdapter.GetViaAnnuli()
: m_boardAdapter.GetTH_ODs();
if( !throughHoleOuter.GetList().empty() )
{
CONST_LIST_OBJECT2D intersecting;
throughHoleOuter.GetIntersectingObjects( object2d_A->GetBBox(), intersecting );
for( const OBJECT_2D* hole2d : intersecting )
object2d_B->push_back( hole2d );
}
}
if( !m_antioutlineBoard2dObjects->GetList().empty() )
{
CONST_LIST_OBJECT2D intersecting;
m_antioutlineBoard2dObjects->GetIntersectingObjects( object2d_A->GetBBox(),
intersecting );
for( const OBJECT_2D* obj : intersecting )
object2d_B->push_back( obj );
}
const MAP_CONTAINER_2D_BASE& mapLayers = m_boardAdapter.GetLayerMap();
if( cfg.subtract_mask_from_silk
&& ( ( aLayer_id == B_SilkS && mapLayers.find( B_Mask ) != mapLayers.end() )
|| ( aLayer_id == F_SilkS && mapLayers.find( F_Mask ) != mapLayers.end() ) ) )
{
const PCB_LAYER_ID maskLayer = ( aLayer_id == B_SilkS ) ? B_Mask : F_Mask;
const BVH_CONTAINER_2D* containerMaskLayer2d = mapLayers.at( maskLayer );
CONST_LIST_OBJECT2D intersecting;
if( containerMaskLayer2d ) // can be null if B_Mask or F_Mask is not shown
containerMaskLayer2d->GetIntersectingObjects( object2d_A->GetBBox(), intersecting );
for( const OBJECT_2D* obj2d : intersecting )
object2d_B->push_back( obj2d );
}
if( object2d_B->empty() )
{
delete object2d_B;
object2d_B = CSGITEM_EMPTY;
}
if( ( object2d_B == CSGITEM_EMPTY ) && ( object2d_C == CSGITEM_FULL ) )
{
LAYER_ITEM* objPtr = new LAYER_ITEM( object2d_A,
m_boardAdapter.GetLayerBottomZPos( aLayer_id ) - aLayerZOffset,
m_boardAdapter.GetLayerTopZPos( aLayer_id ) + aLayerZOffset );
objPtr->SetMaterial( aMaterialLayer );
objPtr->SetColor( ConvertSRGBToLinear( aLayerColor ) );
m_objectContainer.Add( objPtr );
}
else
{
LAYER_ITEM_2D* itemCSG2d = new LAYER_ITEM_2D( object2d_A, object2d_B, object2d_C,
object2d_A->GetBoardItem() );
m_containerWithObjectsToDelete.Add( itemCSG2d );
LAYER_ITEM* objPtr = new LAYER_ITEM( itemCSG2d,
m_boardAdapter.GetLayerBottomZPos( aLayer_id ) - aLayerZOffset,
m_boardAdapter.GetLayerTopZPos( aLayer_id ) + aLayerZOffset );
objPtr->SetMaterial( aMaterialLayer );
objPtr->SetColor( ConvertSRGBToLinear( aLayerColor ) );
m_objectContainer.Add( objPtr );
}
}
}
extern void buildBoardBoundingBoxPoly( const BOARD* aBoard, SHAPE_POLY_SET& aOutline );
void RENDER_3D_RAYTRACE_BASE::Reload( REPORTER* aStatusReporter, REPORTER* aWarningReporter,
bool aOnlyLoadCopperAndShapes )
{
m_reloadRequested = false;
m_modelMaterialMap.clear();
OBJECT_2D_STATS::Instance().ResetStats();
OBJECT_3D_STATS::Instance().ResetStats();
int64_t stats_startReloadTime = GetRunningMicroSecs();
if( !aOnlyLoadCopperAndShapes )
{
m_boardAdapter.InitSettings( aStatusReporter, aWarningReporter );
SFVEC3F camera_pos = m_boardAdapter.GetBoardCenter();
m_camera.SetBoardLookAtPos( camera_pos );
}
m_objectContainer.Clear();
m_containerWithObjectsToDelete.Clear();
setupMaterials();
if( aStatusReporter )
aStatusReporter->Report( _( "Load Raytracing: board" ) );
// Create and add the outline board
delete m_outlineBoard2dObjects;
delete m_antioutlineBoard2dObjects;
m_outlineBoard2dObjects = new CONTAINER_2D;
m_antioutlineBoard2dObjects = new BVH_CONTAINER_2D;
std::bitset<LAYER_3D_END> layerFlags = m_boardAdapter.GetVisibleLayers();
if( !aOnlyLoadCopperAndShapes )
{
const int outlineCount = m_boardAdapter.GetBoardPoly().OutlineCount();
if( outlineCount > 0 )
{
float divFactor = 0.0f;
if( m_boardAdapter.GetViaCount() )
divFactor = m_boardAdapter.GetAverageViaHoleDiameter() * 18.0f;
else if( m_boardAdapter.GetHoleCount() )
divFactor = m_boardAdapter.GetAverageHoleDiameter() * 8.0f;
SHAPE_POLY_SET boardPolyCopy = m_boardAdapter.GetBoardPoly();
// Calculate an antiboard outline
SHAPE_POLY_SET antiboardPoly;
buildBoardBoundingBoxPoly( m_boardAdapter.GetBoard(), antiboardPoly );
antiboardPoly.BooleanSubtract( boardPolyCopy, SHAPE_POLY_SET::PM_FAST );
antiboardPoly.Fracture( SHAPE_POLY_SET::PM_FAST );
for( int ii = 0; ii < antiboardPoly.OutlineCount(); ii++ )
{
ConvertPolygonToBlocks( antiboardPoly, *m_antioutlineBoard2dObjects,
m_boardAdapter.BiuTo3dUnits(), -1.0f,
*m_boardAdapter.GetBoard(), ii );
}
m_antioutlineBoard2dObjects->BuildBVH();
boardPolyCopy.Fracture( SHAPE_POLY_SET::PM_FAST );
for( int ii = 0; ii < outlineCount; ii++ )
{
ConvertPolygonToBlocks( boardPolyCopy, *m_outlineBoard2dObjects,
m_boardAdapter.BiuTo3dUnits(), divFactor,
*m_boardAdapter.GetBoard(), ii );
}
if( layerFlags.test( LAYER_3D_BOARD ) )
{
const LIST_OBJECT2D& listObjects = m_outlineBoard2dObjects->GetList();
for( const OBJECT_2D* object2d_A : listObjects )
{
std::vector<const OBJECT_2D*>* object2d_B = new std::vector<const OBJECT_2D*>();
// Check if there are any THT that intersects this outline object part
if( !m_boardAdapter.GetTH_ODs().GetList().empty() )
{
const BVH_CONTAINER_2D& throughHoles = m_boardAdapter.GetTH_ODs();
CONST_LIST_OBJECT2D intersecting;
throughHoles.GetIntersectingObjects( object2d_A->GetBBox(), intersecting );
for( const OBJECT_2D* hole : intersecting )
{
if( object2d_A->Intersects( hole->GetBBox() ) )
object2d_B->push_back( hole );
}
}
if( !m_antioutlineBoard2dObjects->GetList().empty() )
{
CONST_LIST_OBJECT2D intersecting;
m_antioutlineBoard2dObjects->GetIntersectingObjects( object2d_A->GetBBox(),
intersecting );
for( const OBJECT_2D* obj : intersecting )
object2d_B->push_back( obj );
}
if( object2d_B->empty() )
{
delete object2d_B;
object2d_B = CSGITEM_EMPTY;
}
if( object2d_B == CSGITEM_EMPTY )
{
LAYER_ITEM* objPtr = new LAYER_ITEM( object2d_A,
m_boardAdapter.GetLayerBottomZPos( F_Cu ),
m_boardAdapter.GetLayerBottomZPos( B_Cu ) );
objPtr->SetMaterial( &m_materials.m_EpoxyBoard );
objPtr->SetColor( ConvertSRGBToLinear( m_boardAdapter.m_BoardBodyColor ) );
m_objectContainer.Add( objPtr );
}
else
{
LAYER_ITEM_2D* itemCSG2d = new LAYER_ITEM_2D( object2d_A, object2d_B,
CSGITEM_FULL,
*m_boardAdapter.GetBoard() );
m_containerWithObjectsToDelete.Add( itemCSG2d );
LAYER_ITEM* objPtr = new LAYER_ITEM( itemCSG2d,
m_boardAdapter.GetLayerBottomZPos( F_Cu ),
m_boardAdapter.GetLayerBottomZPos( B_Cu ) );
objPtr->SetMaterial( &m_materials.m_EpoxyBoard );
objPtr->SetColor( ConvertSRGBToLinear( m_boardAdapter.m_BoardBodyColor ) );
m_objectContainer.Add( objPtr );
}
}
// Add cylinders of the board body to container
// Note: This is actually a workaround 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 dummy block) 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_boardAdapter.GetTH_ODs().GetList().empty() )
{
const LIST_OBJECT2D& holeList = m_boardAdapter.GetTH_ODs().GetList();
for( const OBJECT_2D* hole2d : holeList )
{
if( !m_antioutlineBoard2dObjects->GetList().empty() )
{
CONST_LIST_OBJECT2D intersecting;
m_antioutlineBoard2dObjects->GetIntersectingObjects( hole2d->GetBBox(),
intersecting );
// Do not add cylinder if it intersects the edge of the board
if( !intersecting.empty() )
continue;
}
switch( hole2d->GetObjectType() )
{
case OBJECT_2D_TYPE::FILLED_CIRCLE:
{
const float radius = hole2d->GetBBox().GetExtent().x * 0.5f * 0.999f;
CYLINDER* objPtr = new CYLINDER( hole2d->GetCentroid(),
NextFloatDown( m_boardAdapter.GetLayerBottomZPos( F_Cu ) ),
NextFloatUp( m_boardAdapter.GetLayerBottomZPos( B_Cu ) ),
radius );
objPtr->SetMaterial( &m_materials.m_EpoxyBoard );
objPtr->SetColor( ConvertSRGBToLinear( m_boardAdapter.m_BoardBodyColor ) );
m_objectContainer.Add( objPtr );
}
break;
default:
break;
}
}
}
}
}
}
if( aStatusReporter )
aStatusReporter->Report( _( "Load Raytracing: layers" ) );
// Add layers maps (except B_Mask and F_Mask)
for( const std::pair<const PCB_LAYER_ID, BVH_CONTAINER_2D*>& entry : m_boardAdapter.GetLayerMap() )
{
const PCB_LAYER_ID layer_id = entry.first;
const BVH_CONTAINER_2D* container2d = entry.second;
// Only process layers that exist
if( !container2d )
continue;
if( aOnlyLoadCopperAndShapes && !IsCopperLayer( layer_id ) )
continue;
// Mask layers are not processed here because they are a special case
if( layer_id == B_Mask || layer_id == F_Mask )
continue;
MATERIAL* 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;
layerColor = m_boardAdapter.m_SolderPasteColor;
break;
case B_SilkS:
materialLayer = &m_materials.m_SilkS;
layerColor = m_boardAdapter.m_SilkScreenColorBot;
break;
case F_SilkS:
materialLayer = &m_materials.m_SilkS;
layerColor = m_boardAdapter.m_SilkScreenColorTop;
break;
case Dwgs_User:
layerColor = m_boardAdapter.m_UserDrawingsColor;
break;
case Cmts_User:
layerColor = m_boardAdapter.m_UserCommentsColor;
break;
case Eco1_User:
layerColor = m_boardAdapter.m_ECO1Color;
break;
case Eco2_User:
layerColor = m_boardAdapter.m_ECO2Color;
break;
case B_CrtYd:
case F_CrtYd:
break;
case B_Fab:
case F_Fab:
break;
default:
if( m_boardAdapter.m_Cfg->m_Render.differentiate_plated_copper )
{
layerColor = SFVEC3F( 184.0f / 255.0f, 115.0f / 255.0f, 50.0f / 255.0f );
materialLayer = &m_materials.m_NonPlatedCopper;
}
else
{
layerColor = m_boardAdapter.m_CopperColor;
materialLayer = &m_materials.m_Copper;
}
break;
}
createItemsFromContainer( container2d, layer_id, materialLayer, layerColor, 0.0f );
} // for each layer on map
// Create plated copper
if( m_boardAdapter.m_Cfg->m_Render.differentiate_plated_copper )
{
createItemsFromContainer( m_boardAdapter.GetPlatedPadsFront(), F_Cu, &m_materials.m_Copper,
m_boardAdapter.m_CopperColor,
m_boardAdapter.GetFrontCopperThickness() * 0.1f );
createItemsFromContainer( m_boardAdapter.GetPlatedPadsBack(), B_Cu, &m_materials.m_Copper,
m_boardAdapter.m_CopperColor,
-m_boardAdapter.GetBackCopperThickness() * 0.1f );
}
if( !aOnlyLoadCopperAndShapes )
{
// 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( ( layerFlags.test( LAYER_3D_SOLDERMASK_TOP )
|| layerFlags.test( LAYER_3D_SOLDERMASK_BOTTOM ) )
&& !m_outlineBoard2dObjects->GetList().empty() )
{
const MATERIAL* materialLayer = &m_materials.m_SolderMask;
for( const std::pair<const PCB_LAYER_ID, BVH_CONTAINER_2D*>& entry : m_boardAdapter.GetLayerMap() )
{
const PCB_LAYER_ID layer_id = entry.first;
const BVH_CONTAINER_2D* container2d = entry.second;
// Only process layers that exist
if( !container2d )
continue;
// Only get the Solder mask layers (and only if the board has them)
if( layer_id == F_Mask && !layerFlags.test( LAYER_3D_SOLDERMASK_TOP ) )
continue;
if( layer_id == B_Mask && !layerFlags.test( LAYER_3D_SOLDERMASK_BOTTOM ) )
continue;
// Only Mask layers are processed here because they are negative layers
if( layer_id != F_Mask && layer_id != B_Mask )
continue;
SFVEC3F layerColor;
if( layer_id == B_Mask )
layerColor = m_boardAdapter.m_SolderMaskColorBot;
else
layerColor = m_boardAdapter.m_SolderMaskColorTop;
const float zLayerMin = m_boardAdapter.GetLayerBottomZPos( layer_id );
const float zLayerMax = m_boardAdapter.GetLayerTopZPos( layer_id );
// Get the outline board objects
for( const OBJECT_2D* object2d_A : m_outlineBoard2dObjects->GetList() )
{
std::vector<const OBJECT_2D*>* object2d_B = new std::vector<const OBJECT_2D*>();
// Check if there are any THT that intersects this outline object part
if( !m_boardAdapter.GetTH_ODs().GetList().empty() )
{
const BVH_CONTAINER_2D& throughHoles = m_boardAdapter.GetTH_ODs();
CONST_LIST_OBJECT2D intersecting;
throughHoles.GetIntersectingObjects( object2d_A->GetBBox(), intersecting );
for( const OBJECT_2D* hole : intersecting )
{
if( object2d_A->Intersects( hole->GetBBox() ) )
object2d_B->push_back( hole );
}
}
// Check if there are any objects in the layer to subtract with the current
// object
if( !container2d->GetList().empty() )
{
CONST_LIST_OBJECT2D intersecting;
container2d->GetIntersectingObjects( object2d_A->GetBBox(), intersecting );
for( const OBJECT_2D* obj : intersecting )
object2d_B->push_back( obj );
}
if( object2d_B->empty() )
{
delete object2d_B;
object2d_B = CSGITEM_EMPTY;
}
if( object2d_B == CSGITEM_EMPTY )
{
#if 0
createObject( m_objectContainer, object2d_A, zLayerMin, zLayerMax,
materialLayer, layerColor );
#else
LAYER_ITEM* objPtr = new LAYER_ITEM( object2d_A, zLayerMin, zLayerMax );
objPtr->SetMaterial( materialLayer );
objPtr->SetColor( ConvertSRGBToLinear( layerColor ) );
m_objectContainer.Add( objPtr );
#endif
}
else
{
LAYER_ITEM_2D* itemCSG2d = new LAYER_ITEM_2D( object2d_A, object2d_B,
CSGITEM_FULL,
object2d_A->GetBoardItem() );
m_containerWithObjectsToDelete.Add( itemCSG2d );
LAYER_ITEM* objPtr = new LAYER_ITEM( itemCSG2d, zLayerMin, zLayerMax );
objPtr->SetMaterial( materialLayer );
objPtr->SetColor( ConvertSRGBToLinear( layerColor ) );
m_objectContainer.Add( objPtr );
}
}
}
}
addPadsAndVias();
}
#ifdef PRINT_STATISTICS_3D_VIEWER
int64_t stats_endConvertTime = GetRunningMicroSecs();
int64_t stats_startLoad3DmodelsTime = stats_endConvertTime;
#endif
if( aStatusReporter )
aStatusReporter->Report( _( "Loading 3D models..." ) );
load3DModels( m_objectContainer, aOnlyLoadCopperAndShapes );
#ifdef PRINT_STATISTICS_3D_VIEWER
int64_t stats_endLoad3DmodelsTime = GetRunningMicroSecs();
#endif
if( !aOnlyLoadCopperAndShapes )
{
// Add floor
if( m_boardAdapter.m_Cfg->m_Render.raytrace_backfloor )
{
BBOX_3D boardBBox = m_boardAdapter.GetBBox();
if( boardBBox.IsInitialized() )
{
boardBBox.Scale( 3.0f );
if( m_objectContainer.GetList().size() > 0 )
{
BBOX_3D containerBBox = m_objectContainer.GetBBox();
containerBBox.Scale( 1.3f );
const SFVEC3F centerBBox = containerBBox.GetCenter();
// Floor triangles
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 );
SFVEC3F floorColor = ConvertSRGBToLinear( m_boardAdapter.m_BgColorTop );
TRIANGLE* newTriangle1 = new TRIANGLE( v1, v2, v3 );
TRIANGLE* newTriangle2 = new TRIANGLE( v3, v4, v1 );
m_objectContainer.Add( newTriangle1 );
m_objectContainer.Add( newTriangle2 );
newTriangle1->SetMaterial( &m_materials.m_Floor );
newTriangle2->SetMaterial( &m_materials.m_Floor );
newTriangle1->SetColor( floorColor );
newTriangle2->SetColor( floorColor );
// Ceiling triangles
const float maxZ = glm::max( containerBBox.Max().z, boardBBox.Max().z );
const SFVEC3F v5 = SFVEC3F( v1.x, v1.y, maxZ );
const SFVEC3F v6 = SFVEC3F( v2.x, v2.y, maxZ );
const SFVEC3F v7 = SFVEC3F( v3.x, v3.y, maxZ );
const SFVEC3F v8 = SFVEC3F( v4.x, v4.y, maxZ );
TRIANGLE* newTriangle3 = new TRIANGLE( v7, v6, v5 );
TRIANGLE* newTriangle4 = new TRIANGLE( v5, v8, v7 );
m_objectContainer.Add( newTriangle3 );
m_objectContainer.Add( newTriangle4 );
newTriangle3->SetMaterial( &m_materials.m_Floor );
newTriangle4->SetMaterial( &m_materials.m_Floor );
newTriangle3->SetColor( floorColor );
newTriangle4->SetColor( floorColor );
}
}
}
// Init initial lights
for( LIGHT* light : m_lights )
delete light;
m_lights.clear();
auto IsColorZero =
[]( const SFVEC3F& aSource )
{
return ( ( aSource.r < ( 1.0f / 255.0f ) ) && ( aSource.g < ( 1.0f / 255.0f ) )
&& ( aSource.b < ( 1.0f / 255.0f ) ) );
};
SFVEC3F cameraLightColor =
m_boardAdapter.GetColor( m_boardAdapter.m_Cfg->m_Render.raytrace_lightColorCamera );
SFVEC3F topLightColor =
m_boardAdapter.GetColor( m_boardAdapter.m_Cfg->m_Render.raytrace_lightColorTop );
SFVEC3F bottomLightColor =
m_boardAdapter.GetColor( m_boardAdapter.m_Cfg->m_Render.raytrace_lightColorBottom );
m_cameraLight = new DIRECTIONAL_LIGHT( SFVEC3F( 0.0f, 0.0f, 0.0f ), cameraLightColor );
m_cameraLight->SetCastShadows( false );
if( !IsColorZero( cameraLightColor ) )
m_lights.push_back( m_cameraLight );
const SFVEC3F& boardCenter = m_boardAdapter.GetBBox().GetCenter();
if( !IsColorZero( topLightColor ) )
{
m_lights.push_back( new POINT_LIGHT( SFVEC3F( boardCenter.x, boardCenter.y,
+RANGE_SCALE_3D * 2.0f ),
topLightColor ) );
}
if( !IsColorZero( bottomLightColor ) )
{
m_lights.push_back( new POINT_LIGHT( SFVEC3F( boardCenter.x, boardCenter.y,
-RANGE_SCALE_3D * 2.0f ),
bottomLightColor ) );
}
for( size_t i = 0; i < m_boardAdapter.m_Cfg->m_Render.raytrace_lightColor.size(); ++i )
{
SFVEC3F lightColor =
m_boardAdapter.GetColor( m_boardAdapter.m_Cfg->m_Render.raytrace_lightColor[i] );
if( !IsColorZero( lightColor ) )
{
const SFVEC2F sc = m_boardAdapter.GetSphericalCoord( i );
m_lights.push_back( new DIRECTIONAL_LIGHT(
SphericalToCartesian( glm::pi<float>() * sc.x, glm::pi<float>() * sc.y ),
lightColor ) );
}
}
}
// Set min. and max. zoom range. This doesn't really fit here, but moving this outside of this
// class would require reimplementing bounding box calculation (feel free to do this if you
// have time and patience).
if( m_objectContainer.GetList().size() > 0 )
{
float ratio =
std::max( 1.0f, m_objectContainer.GetBBox().GetMaxDimension() / RANGE_SCALE_3D );
float max_zoom = CAMERA::DEFAULT_MAX_ZOOM * ratio;
float min_zoom = static_cast<float>( MIN_DISTANCE_IU * m_boardAdapter.BiuTo3dUnits()
/ -m_camera.GetCameraInitPos().z );
if( min_zoom > max_zoom )
std::swap( min_zoom, max_zoom );
float zoom_ratio = max_zoom / min_zoom;
// Set the minimum number of zoom 'steps' between max and min.
int steps = 3 * 3;
steps -= static_cast<int>( ceil( log( zoom_ratio ) / log( 1.26f ) ) );
steps = std::max( steps, 0 );
// Resize max and min zoom to accomplish the number of steps.
float increased_zoom = pow( 1.26f, steps / 2 );
max_zoom *= increased_zoom;
min_zoom /= increased_zoom;
if( steps & 1 )
min_zoom /= 1.26f;
min_zoom = std::min( min_zoom, 1.0f );
m_camera.SetMaxZoom( max_zoom );
m_camera.SetMinZoom( min_zoom );
}
// Create an accelerator
delete m_accelerator;
m_accelerator = new BVH_PBRT( m_objectContainer, 8, SPLITMETHOD::MIDDLE );
if( aStatusReporter )
{
// Calculation time in seconds
double calculation_time = (double) ( GetRunningMicroSecs() - stats_startReloadTime ) / 1e6;
aStatusReporter->Report( wxString::Format( _( "Reload time %.3f s" ), calculation_time ) );
}
}
void RENDER_3D_RAYTRACE_BASE::insertHole( const PCB_VIA* aVia )
{
PCB_LAYER_ID top_layer, bottom_layer;
int radiusBUI = ( aVia->GetDrillValue() / 2 );
aVia->LayerPair( &top_layer, &bottom_layer );
float topZ = m_boardAdapter.GetLayerBottomZPos( top_layer )
+ m_boardAdapter.GetFrontCopperThickness();
float botZ = m_boardAdapter.GetLayerBottomZPos( bottom_layer )
- m_boardAdapter.GetBackCopperThickness();
const SFVEC2F center = SFVEC2F( aVia->GetStart().x * m_boardAdapter.BiuTo3dUnits(),
-aVia->GetStart().y * m_boardAdapter.BiuTo3dUnits() );
RING_2D* ring = new RING_2D( center, radiusBUI * m_boardAdapter.BiuTo3dUnits(),
( radiusBUI + m_boardAdapter.GetHolePlatingThickness() )
* m_boardAdapter.BiuTo3dUnits(), *aVia );
m_containerWithObjectsToDelete.Add( ring );
LAYER_ITEM* objPtr = new LAYER_ITEM( ring, topZ, botZ );
objPtr->SetMaterial( &m_materials.m_Copper );
objPtr->SetColor( ConvertSRGBToLinear( m_boardAdapter.m_CopperColor ) );
m_objectContainer.Add( objPtr );
}
void RENDER_3D_RAYTRACE_BASE::insertHole( const PAD* aPad )
{
const OBJECT_2D* object2d_A = nullptr;
SFVEC3F objColor = m_boardAdapter.m_CopperColor;
const VECTOR2I drillsize = aPad->GetDrillSize();
const bool hasHole = drillsize.x && drillsize.y;
if( !hasHole )
return;
CONST_LIST_OBJECT2D antiOutlineIntersectionList;
const float topZ = m_boardAdapter.GetLayerBottomZPos( F_Cu )
+ m_boardAdapter.GetFrontCopperThickness() * 0.99f;
const float botZ = m_boardAdapter.GetLayerBottomZPos( B_Cu )
- m_boardAdapter.GetBackCopperThickness() * 0.99f;
if( drillsize.x == drillsize.y ) // usual round hole
{
SFVEC2F center = SFVEC2F( aPad->GetPosition().x * m_boardAdapter.BiuTo3dUnits(),
-aPad->GetPosition().y * m_boardAdapter.BiuTo3dUnits() );
int innerRadius = drillsize.x / 2;
int outerRadius = innerRadius + m_boardAdapter.GetHolePlatingThickness();
RING_2D* ring = new RING_2D( center, innerRadius * m_boardAdapter.BiuTo3dUnits(),
outerRadius * m_boardAdapter.BiuTo3dUnits(), *aPad );
m_containerWithObjectsToDelete.Add( ring );
object2d_A = ring;
// If the object (ring) is intersected by an antioutline board,
// it will use instead a CSG of two circles.
if( object2d_A && !m_antioutlineBoard2dObjects->GetList().empty() )
{
m_antioutlineBoard2dObjects->GetIntersectingObjects( object2d_A->GetBBox(),
antiOutlineIntersectionList );
}
if( !antiOutlineIntersectionList.empty() )
{
FILLED_CIRCLE_2D* innerCircle = new FILLED_CIRCLE_2D(
center, innerRadius * m_boardAdapter.BiuTo3dUnits(), *aPad );
FILLED_CIRCLE_2D* outterCircle = new FILLED_CIRCLE_2D(
center, outerRadius * m_boardAdapter.BiuTo3dUnits(), *aPad );
std::vector<const OBJECT_2D*>* object2d_B = new std::vector<const OBJECT_2D*>();
object2d_B->push_back( innerCircle );
LAYER_ITEM_2D* itemCSG2d = new LAYER_ITEM_2D( outterCircle, object2d_B, CSGITEM_FULL,
*aPad );
m_containerWithObjectsToDelete.Add( itemCSG2d );
m_containerWithObjectsToDelete.Add( innerCircle );
m_containerWithObjectsToDelete.Add( outterCircle );
object2d_A = itemCSG2d;
}
}
else // Oblong hole
{
VECTOR2I 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() );
VECTOR2I start = VECTOR2I( aPad->GetPosition() ) + ends_offset;
VECTOR2I end = VECTOR2I( aPad->GetPosition() ) - ends_offset;
ROUND_SEGMENT_2D* innerSeg =
new ROUND_SEGMENT_2D( SFVEC2F( start.x * m_boardAdapter.BiuTo3dUnits(),
-start.y * m_boardAdapter.BiuTo3dUnits() ),
SFVEC2F( end.x * m_boardAdapter.BiuTo3dUnits(),
-end.y * m_boardAdapter.BiuTo3dUnits() ),
width * m_boardAdapter.BiuTo3dUnits(), *aPad );
ROUND_SEGMENT_2D* outerSeg =
new ROUND_SEGMENT_2D( SFVEC2F( start.x * m_boardAdapter.BiuTo3dUnits(),
-start.y * m_boardAdapter.BiuTo3dUnits() ),
SFVEC2F( end.x * m_boardAdapter.BiuTo3dUnits(),
-end.y * m_boardAdapter.BiuTo3dUnits() ),
( width + m_boardAdapter.GetHolePlatingThickness() * 2 )
* m_boardAdapter.BiuTo3dUnits(), *aPad );
// NOTE: the round segment width is the "diameter", so we double the thickness
std::vector<const OBJECT_2D*>* object2d_B = new std::vector<const OBJECT_2D*>();
object2d_B->push_back( innerSeg );
LAYER_ITEM_2D* itemCSG2d = new LAYER_ITEM_2D( outerSeg, object2d_B, CSGITEM_FULL, *aPad );
m_containerWithObjectsToDelete.Add( itemCSG2d );
m_containerWithObjectsToDelete.Add( innerSeg );
m_containerWithObjectsToDelete.Add( outerSeg );
object2d_A = itemCSG2d;
if( object2d_A && !m_antioutlineBoard2dObjects->GetList().empty() )
{
m_antioutlineBoard2dObjects->GetIntersectingObjects( object2d_A->GetBBox(),
antiOutlineIntersectionList );
}
}
if( object2d_A )
{
std::vector<const OBJECT_2D*>* object2d_B = new std::vector<const OBJECT_2D*>();
// Check if there are any other THT that intersects this hole
// It will use the non inflated holes
if( !m_boardAdapter.GetTH_IDs().GetList().empty() )
{
CONST_LIST_OBJECT2D intersecting;
m_boardAdapter.GetTH_IDs().GetIntersectingObjects( object2d_A->GetBBox(), intersecting );
for( const OBJECT_2D* hole2d : intersecting )
{
if( object2d_A->Intersects( hole2d->GetBBox() ) )
object2d_B->push_back( hole2d );
}
}
for( const OBJECT_2D* obj : antiOutlineIntersectionList )
object2d_B->push_back( obj );
if( object2d_B->empty() )
{
delete object2d_B;
object2d_B = CSGITEM_EMPTY;
}
if( object2d_B == CSGITEM_EMPTY )
{
LAYER_ITEM* objPtr = new LAYER_ITEM( object2d_A, topZ, botZ );
objPtr->SetMaterial( &m_materials.m_Copper );
objPtr->SetColor( ConvertSRGBToLinear( objColor ) );
m_objectContainer.Add( objPtr );
}
else
{
LAYER_ITEM_2D* itemCSG2d = new LAYER_ITEM_2D( object2d_A, object2d_B, CSGITEM_FULL,
*aPad );
m_containerWithObjectsToDelete.Add( itemCSG2d );
LAYER_ITEM* objPtr = new LAYER_ITEM( itemCSG2d, topZ, botZ );
objPtr->SetMaterial( &m_materials.m_Copper );
objPtr->SetColor( ConvertSRGBToLinear( objColor ) );
m_objectContainer.Add( objPtr );
}
}
}
void RENDER_3D_RAYTRACE_BASE::addPadsAndVias()
{
if( !m_boardAdapter.GetBoard() )
return;
// Insert plated vertical holes inside the board
// Insert vias holes (vertical cylinders)
for( PCB_TRACK* track : m_boardAdapter.GetBoard()->Tracks() )
{
if( track->Type() == PCB_VIA_T )
{
const PCB_VIA* via = static_cast<const PCB_VIA*>( track );
insertHole( via );
}
}
// Insert pads holes (vertical cylinders)
for( FOOTPRINT* footprint : m_boardAdapter.GetBoard()->Footprints() )
{
for( PAD* pad : footprint->Pads() )
{
if( pad->GetAttribute() != PAD_ATTRIB::NPTH )
insertHole( pad );
}
}
}
void RENDER_3D_RAYTRACE_BASE::load3DModels( CONTAINER_3D& aDstContainer, bool aSkipMaterialInformation )
{
if( !m_boardAdapter.GetBoard() )
return;
if( !m_boardAdapter.m_IsPreviewer
&& !m_boardAdapter.m_Cfg->m_Render.show_footprints_normal
&& !m_boardAdapter.m_Cfg->m_Render.show_footprints_insert
&& !m_boardAdapter.m_Cfg->m_Render.show_footprints_virtual )
{
return;
}
// Go for all footprints
for( FOOTPRINT* fp : m_boardAdapter.GetBoard()->Footprints() )
{
if( !fp->Models().empty()
&& m_boardAdapter.IsFootprintShown( (FOOTPRINT_ATTR_T) fp->GetAttributes() ) )
{
double zpos = m_boardAdapter.GetFootprintZPos( fp->IsFlipped() );
VECTOR2I pos = fp->GetPosition();
glm::mat4 fpMatrix = glm::mat4( 1.0f );
fpMatrix = glm::translate( fpMatrix,
SFVEC3F( pos.x * m_boardAdapter.BiuTo3dUnits(),
-pos.y * m_boardAdapter.BiuTo3dUnits(),
zpos ) );
if( !fp->GetOrientation().IsZero() )
{
fpMatrix = glm::rotate( fpMatrix, (float) fp->GetOrientation().AsRadians(),
SFVEC3F( 0.0f, 0.0f, 1.0f ) );
}
if( fp->IsFlipped() )
{
fpMatrix = glm::rotate( fpMatrix, glm::pi<float>(), SFVEC3F( 0.0f, 1.0f, 0.0f ) );
fpMatrix = glm::rotate( fpMatrix, glm::pi<float>(), SFVEC3F( 0.0f, 0.0f, 1.0f ) );
}
const double modelunit_to_3d_units_factor =
m_boardAdapter.BiuTo3dUnits() * UNITS3D_TO_UNITSPCB;
fpMatrix = glm::scale(
fpMatrix, 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
S3D_CACHE* cacheMgr = m_boardAdapter.Get3dCacheManager();
wxString libraryName = fp->GetFPID().GetLibNickname();
wxString footprintBasePath = wxEmptyString;
if( m_boardAdapter.GetBoard()->GetProject() )
{
try
{
// FindRow() can throw an exception
const FP_LIB_TABLE_ROW* fpRow =
PROJECT_PCB::PcbFootprintLibs( m_boardAdapter.GetBoard()->GetProject() )
->FindRow( libraryName, false );
if( fpRow )
footprintBasePath = fpRow->GetFullURI( true );
}
catch( ... )
{
// Do nothing if the libraryName is not found in lib table
}
}
for( FP_3DMODEL& model : fp->Models() )
{
// get it from cache
const S3DMODEL* modelPtr =
cacheMgr->GetModel( model.m_Filename, footprintBasePath, fp );
// only add it if the return is not NULL.
if( modelPtr )
{
glm::mat4 modelMatrix = fpMatrix;
modelMatrix = glm::translate( modelMatrix,
SFVEC3F( model.m_Offset.x, model.m_Offset.y, model.m_Offset.z ) );
modelMatrix = glm::rotate( modelMatrix,
(float) -( model.m_Rotation.z / 180.0f ) * glm::pi<float>(),
SFVEC3F( 0.0f, 0.0f, 1.0f ) );
modelMatrix = glm::rotate( modelMatrix,
(float) -( model.m_Rotation.y / 180.0f ) * glm::pi<float>(),
SFVEC3F( 0.0f, 1.0f, 0.0f ) );
modelMatrix = glm::rotate( modelMatrix,
(float) -( model.m_Rotation.x / 180.0f ) * glm::pi<float>(),
SFVEC3F( 1.0f, 0.0f, 0.0f ) );
modelMatrix = glm::scale( modelMatrix,
SFVEC3F( model.m_Scale.x, model.m_Scale.y, model.m_Scale.z ) );
addModels( aDstContainer, modelPtr, modelMatrix, (float) model.m_Opacity,
aSkipMaterialInformation, fp );
}
}
}
}
}
MODEL_MATERIALS* RENDER_3D_RAYTRACE_BASE::getModelMaterial( const S3DMODEL* a3DModel )
{
MODEL_MATERIALS* materialVector;
// Try find if the materials already exists in the map list
if( m_modelMaterialMap.find( a3DModel ) != m_modelMaterialMap.end() )
{
// Found it, so get the pointer
materialVector = &m_modelMaterialMap[a3DModel];
}
else
{
// Materials was not found in the map, so it will create a new for
// this model.
m_modelMaterialMap[a3DModel] = MODEL_MATERIALS();
materialVector = &m_modelMaterialMap[a3DModel];
materialVector->resize( a3DModel->m_MaterialsSize );
for( unsigned int imat = 0; imat < a3DModel->m_MaterialsSize; ++imat )
{
if( m_boardAdapter.m_Cfg->m_Render.material_mode == 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 );
}
BLINN_PHONG_MATERIAL& blinnMaterial = ( *materialVector )[imat];
blinnMaterial = BLINN_PHONG_MATERIAL( ConvertSRGBToLinear( material.m_Ambient ),
ConvertSRGBToLinear( material.m_Emissive ),
ConvertSRGBToLinear( material.m_Specular ), material.m_Shininess * 180.0f,
material.m_Transparency, reflectionFactor );
if( m_boardAdapter.m_Cfg->m_Render.raytrace_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..
blinnMaterial.SetGenerator( &m_plasticMaterial );
}
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.SetGenerator( &m_shinyPlasticMaterial );
}
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.SetGenerator( &m_brushedMetalMaterial );
}
}
}
}
}
else
{
( *materialVector )[imat] = BLINN_PHONG_MATERIAL(
SFVEC3F( 0.2f ), SFVEC3F( 0.0f ), SFVEC3F( 0.0f ), 0.0f, 0.0f, 0.0f );
}
}
}
return materialVector;
}
void RENDER_3D_RAYTRACE_BASE::addModels( CONTAINER_3D& aDstContainer, const S3DMODEL* a3DModel,
const glm::mat4& aModelMatrix, float aFPOpacity,
bool aSkipMaterialInformation, BOARD_ITEM* aBoardItem )
{
// Validate a3DModel pointers
wxASSERT( a3DModel != nullptr );
if( a3DModel == nullptr )
return;
wxASSERT( a3DModel->m_Materials != nullptr );
wxASSERT( a3DModel->m_Meshes != nullptr );
wxASSERT( a3DModel->m_MaterialsSize > 0 );
wxASSERT( a3DModel->m_MeshesSize > 0 );
if( aFPOpacity > 1.0f )
aFPOpacity = 1.0f;
if( aFPOpacity < 0.0f )
aFPOpacity = 0.0f;
if( ( a3DModel->m_Materials != nullptr ) && ( a3DModel->m_Meshes != nullptr )
&& ( a3DModel->m_MaterialsSize > 0 ) && ( a3DModel->m_MeshesSize > 0 ) )
{
MODEL_MATERIALS* materialVector = nullptr;
if( !aSkipMaterialInformation )
{
materialVector = getModelMaterial( a3DModel );
}
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 != nullptr );
wxASSERT( mesh.m_FaceIdx != nullptr );
wxASSERT( mesh.m_Normals != nullptr );
wxASSERT( mesh.m_FaceIdxSize > 0 );
wxASSERT( ( mesh.m_FaceIdxSize % 3 ) == 0 );
if( ( mesh.m_Positions != nullptr ) && ( mesh.m_Normals != nullptr )
&& ( mesh.m_FaceIdx != nullptr ) && ( mesh.m_FaceIdxSize > 0 )
&& ( mesh.m_VertexSize > 0 ) && ( ( mesh.m_FaceIdxSize % 3 ) == 0 )
&& ( mesh.m_MaterialIdx < a3DModel->m_MaterialsSize ) )
{
float fpTransparency;
const BLINN_PHONG_MATERIAL* blinn_material;
if( !aSkipMaterialInformation )
{
blinn_material = &( *materialVector )[mesh.m_MaterialIdx];
fpTransparency =
1.0f - ( ( 1.0f - blinn_material->GetTransparency() ) * aFPOpacity );
}
// 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 ) );
TRIANGLE* newTriangle = new TRIANGLE( vt0, vt2, vt1, nt0, nt2, nt1 );
newTriangle->SetBoardItem( aBoardItem );
aDstContainer.Add( newTriangle );
if( !aSkipMaterialInformation )
{
newTriangle->SetMaterial( blinn_material );
newTriangle->SetModelTransparency( fpTransparency );
if( mesh.m_Color == nullptr )
{
const SFVEC3F diffuseColor =
a3DModel->m_Materials[mesh.m_MaterialIdx].m_Diffuse;
if( m_boardAdapter.m_Cfg->m_Render.material_mode == MATERIAL_MODE::CAD_MODE )
newTriangle->SetColor( ConvertSRGBToLinear(
MaterialDiffuseToColorCAD( diffuseColor ) ) );
else
newTriangle->SetColor( ConvertSRGBToLinear( diffuseColor ) );
}
else
{
if( m_boardAdapter.m_Cfg->m_Render.material_mode == 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] ) );
}
}
}
}
}
}
}
}
}
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