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kicad-source/3d-viewer/3d_rendering/raytracing/create_scene.cpp
Seth Hillbrand 0b2d4d4879 Revise Copyright statement to align with TLF 
Recommendation is to avoid using the year nomenclature as this
information is already encoded in the git repo.  Avoids needing to
repeatly update.

Also updates AUTHORS.txt from current repo with contributor names
2025-01-01 14:12:04 -08:00

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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 The 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 );
antiboardPoly.Fracture();
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();
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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