kicad/3d-viewer/3d_navlib/nl_3d_viewer_plugin_impl.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2021 3Dconnexion
* Copyright (C) 2021 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "nl_3d_viewer_plugin_impl.h"
// 3d-viewer
#include <3d-viewer/3d_rendering/track_ball.h>
#include <3d-viewer/3d_canvas/eda_3d_canvas.h>
// KiCAD includes
#include <tool/action_manager.h>
#include <tool/tool_manager.h>
// stdlib
#include <map>
#include <string>
#include <vector>
#include <wx/mstream.h>
/**
* Flag to enable the NL_3D_VIEWER_PLUGIN debug tracing.
*
* Use "KI_TRACE_NL_3D_VIEWER_PLUGIN" to enable.
*
* @ingroup trace_env_vars
*/
const wxChar* NL_3D_VIEWER_PLUGIN_IMPL::m_logTrace = wxT( "KI_TRACE_NL_3D_VIEWER_PLUGIN" );
/**
* Template to compare two floating point values for equality within a required epsilon.
*
* @param aFirst value to compare.
* @param aSecond value to compare.
* @param aEpsilon allowed error.
* @return true if the values considered equal within the specified epsilon, otherwise false.
*/
template <class T>
bool equals( T aFirst, T aSecond, T aEpsilon = static_cast<T>( FLT_EPSILON ) )
{
T diff = fabs( aFirst - aSecond );
if( diff < aEpsilon )
{
return true;
}
aFirst = fabs( aFirst );
aSecond = fabs( aSecond );
T largest = aFirst > aSecond ? aFirst : aSecond;
if( diff <= largest * aEpsilon )
{
return true;
}
return false;
}
/**
* Template to compare two glm::mat<T> values for equality within a required epsilon.
*
* @param aFirst value to compare.
* @param aSecond value to compare.
* @param aEpsilon allowed error.
* @return true if the values considered equal within the specified epsilon, otherwise false.
*/
template <glm::length_t L, glm::length_t C, class T, glm::qualifier Q>
bool equals( glm::mat<L, C, T, Q> const& aFirst, glm::mat<L, C, T, Q> const& aSecond,
T aEpsilon = static_cast<T>( FLT_EPSILON * 10 ) )
{
T const* first = glm::value_ptr( aFirst );
T const* second = glm::value_ptr( aSecond );
for( glm::length_t j = 0; j < L * C; ++j )
{
if( !equals( first[j], second[j], aEpsilon ) )
{
return false;
}
}
return true;
}
NL_3D_VIEWER_PLUGIN_IMPL::NL_3D_VIEWER_PLUGIN_IMPL( EDA_3D_CANVAS* aCanvas ) :
NAV_3D( false, false ), m_canvas( aCanvas ), m_capIsMoving( false )
{
m_camera = dynamic_cast<TRACK_BALL*>( m_canvas->GetCamera() );
PutProfileHint( "KiCAD 3D" );
EnableNavigation( true );
PutFrameTimingSource( TimingSource::SpaceMouse );
exportCommandsAndImages();
}
NL_3D_VIEWER_PLUGIN_IMPL::~NL_3D_VIEWER_PLUGIN_IMPL()
{
EnableNavigation( false );
}
void NL_3D_VIEWER_PLUGIN_IMPL::SetFocus( bool aFocus )
{
wxLogTrace( m_logTrace, wxT( "NL_3D_VIEWER_PLUGIN_IMPL::SetFocus %d" ), aFocus );
NAV_3D::Write( navlib::focus_k, aFocus );
}
// temporary store for the categories
typedef std::map<std::string, TDx::CCommandTreeNode*> CATEGORY_STORE;
/**
* Add a category to the store.
*
* The function adds category paths of the format "A.B" where B is a sub-category of A.
*
* @param aCategoryPath is the std::string representation of the category.
* @param aCategoryStore is the CATEGORY_STORE instance to add to.
* @return a CATEGORY_STORE::iterator where the category was added.
*/
CATEGORY_STORE::iterator add_category( std::string aCategoryPath, CATEGORY_STORE& aCategoryStore )
{
using TDx::SpaceMouse::CCategory;
CATEGORY_STORE::iterator parent_iter = aCategoryStore.begin();
std::string::size_type pos = aCategoryPath.find_last_of( '.' );
if( pos != std::string::npos )
{
std::string parentPath = aCategoryPath.substr( 0, pos );
parent_iter = aCategoryStore.find( parentPath );
if( parent_iter == aCategoryStore.end() )
{
parent_iter = add_category( parentPath, aCategoryStore );
}
}
std::string name = aCategoryPath.substr( pos + 1 );
std::unique_ptr<CCategory> categoryNode =
std::make_unique<CCategory>( aCategoryPath.c_str(), name.c_str() );
CATEGORY_STORE::iterator iter = aCategoryStore.insert(
aCategoryStore.end(), CATEGORY_STORE::value_type( aCategoryPath, categoryNode.get() ) );
parent_iter->second->push_back( std::move( categoryNode ) );
return iter;
}
void NL_3D_VIEWER_PLUGIN_IMPL::exportCommandsAndImages()
{
wxLogTrace( m_logTrace, wxT( "NL_3D_VIEWER_PLUGIN_IMPL::exportCommandsAndImages" ) );
std::list<TOOL_ACTION*> actions = ACTION_MANAGER::GetActionList();
if( actions.size() == 0 )
{
return;
}
using TDx::SpaceMouse::CCommand;
using TDx::SpaceMouse::CCommandSet;
// The root action set node
CCommandSet commandSet( "EDA_3D_CANVAS", "3D Viewer" );
// Activate the command set
NAV_3D::PutActiveCommands( commandSet.GetId() );
// temporary store for the categories
CATEGORY_STORE categoryStore;
std::vector<TDx::CImage> vImages;
// add the action set to the category_store
categoryStore.insert( categoryStore.end(), CATEGORY_STORE::value_type( ".", &commandSet ) );
std::list<TOOL_ACTION*>::const_iterator it;
for( it = actions.begin(); it != actions.end(); ++it )
{
const TOOL_ACTION* action = *it;
std::string label = action->GetLabel().ToStdString();
if( label.empty() )
{
continue;
}
std::string name = action->GetName();
// Do no export commands for the pcbnew app.
if( name.rfind( "pcbnew.", 0 ) == 0 )
{
continue;
}
std::string strCategory = action->GetToolName();
CATEGORY_STORE::iterator iter = categoryStore.find( strCategory );
if( iter == categoryStore.end() )
{
iter = add_category( std::move( strCategory ), categoryStore );
}
std::string description = action->GetDescription().ToStdString();
// Arbitrary 8-bit data stream
wxMemoryOutputStream imageStream;
if( action->GetIcon() != BITMAPS::INVALID_BITMAP )
{
wxImage image = KiBitmap( action->GetIcon() ).ConvertToImage();
image.SaveFile( imageStream, wxBitmapType::wxBITMAP_TYPE_PNG );
image.Destroy();
if( imageStream.GetSize() )
{
wxStreamBuffer* streamBuffer = imageStream.GetOutputStreamBuffer();
TDx::CImage tdxImage = TDx::CImage::FromData( "", 0, name.c_str() );
tdxImage.AssignImage( std::string( reinterpret_cast<const char*>(
streamBuffer->GetBufferStart() ),
streamBuffer->GetBufferSize() ),
0 );
wxLogTrace( m_logTrace, "Adding image for : %s", name );
vImages.push_back( std::move( tdxImage ) );
}
}
wxLogTrace( m_logTrace, "Inserting command: %s, description: %s, in category: %s", name,
description, iter->first );
iter->second->push_back(
CCommand( std::move( name ), std::move( label ), std::move( description ) ) );
}
NAV_3D::AddCommandSet( commandSet );
NAV_3D::AddImages( vImages );
}
long NL_3D_VIEWER_PLUGIN_IMPL::GetCameraMatrix( navlib::matrix_t& matrix ) const
{
// cache the camera matrix so that we can tell if the view has been moved and
// calculate a delta transform if required.
m_cameraMatrix = m_camera->GetViewMatrix();
std::copy_n( glm::value_ptr( glm::inverse( m_cameraMatrix ) ), 16, matrix.m );
return 0;
}
long NL_3D_VIEWER_PLUGIN_IMPL::GetPointerPosition( navlib::point_t& position ) const
{
SFVEC3F origin, direction;
m_camera->MakeRayAtCurrentMousePosition( origin, direction );
position = { origin.x, origin.y, origin.z };
return 0;
}
long NL_3D_VIEWER_PLUGIN_IMPL::GetViewExtents( navlib::box_t& extents ) const
{
if( m_camera->GetProjection() == PROJECTION_TYPE::PERSPECTIVE )
{
return navlib::make_result_code( navlib::navlib_errc::invalid_operation );
}
const CAMERA_FRUSTUM& f = m_camera->GetFrustum();
double half_width = f.fw / 2.;
double half_height = f.fh / 2.;
extents = { -half_width, -half_height, f.nearD, half_width, half_height, f.farD };
return 0;
}
long NL_3D_VIEWER_PLUGIN_IMPL::GetViewFOV( double& aFov ) const
{
const CAMERA_FRUSTUM& f = m_camera->GetFrustum();
aFov = glm::radians( f.angle );
return 0;
}
long NL_3D_VIEWER_PLUGIN_IMPL::GetViewFrustum( navlib::frustum_t& aFrustum ) const
{
if( m_camera->GetProjection() != PROJECTION_TYPE::PERSPECTIVE )
{
return navlib::make_result_code( navlib::navlib_errc::invalid_operation );
}
const CAMERA_FRUSTUM& f = m_camera->GetFrustum();
double half_width = f.nw / 2.;
double half_height = f.nh / 2.;
aFrustum = { -half_width, half_width, -half_height, half_height, f.nearD, f.farD };
return 0;
}
long NL_3D_VIEWER_PLUGIN_IMPL::GetIsViewPerspective( navlib::bool_t& perspective ) const
{
perspective = m_camera->GetProjection() == PROJECTION_TYPE::PERSPECTIVE ? 1 : 0;
return 0;
}
long NL_3D_VIEWER_PLUGIN_IMPL::SetCameraMatrix( const navlib::matrix_t& aCameraMatrix )
{
long result = 0;
glm::mat4 cam, viewMatrix;
std::copy_n( aCameraMatrix.m, 16, glm::value_ptr( cam ) );
viewMatrix = glm::inverse( cam );
glm::mat4 camera = m_camera->GetViewMatrix();
// The navlib does not move the camera in its z-axis in an orthographic projection
// as this does not change the viewed object size. However ...
if( m_camera->GetProjection() == PROJECTION_TYPE::ORTHO )
{
// ... the CAMERA class couples zoom and distance to the object: we need to
// ensure that The CAMERA's z position relative to the lookat_pos is not changed
// in an orthographic projection.
glm::vec4 lookat( m_camera->GetLookAtPos(), 1.0f );
glm::vec4 lookat_new = viewMatrix * lookat;
glm::vec4 lookat_old = camera * lookat;
viewMatrix[3].z += lookat_old.z - lookat_new.z;
}
if( !equals( camera, m_cameraMatrix ) )
{
// Some other input device has moved the camera. Apply only the intended delta
// transform ...
m_camera->SetViewMatrix( viewMatrix * glm::inverse( m_cameraMatrix ) * camera );
m_camera->Update();
// .., cache the intended camera matrix so that we can calculate the delta
// transform when needed ...
m_cameraMatrix = viewMatrix;
// ... and let the 3DMouse controller know, that something is amiss.
return navlib::make_result_code( navlib::navlib_errc::error );
}
m_camera->SetViewMatrix( viewMatrix );
m_camera->Update();
// cache the view matrix so that we know when it has changed.
m_cameraMatrix = m_camera->GetViewMatrix();
// The camera has a constraint on the z position so we need to check that ...
if( !equals( m_cameraMatrix[3].z, viewMatrix[3].z ) )
{
// ... and let the 3DMouse controller know, when something is amiss.
return navlib::make_result_code( navlib::navlib_errc::error );
}
return 0;
}
long NL_3D_VIEWER_PLUGIN_IMPL::SetViewExtents( const navlib::box_t& extents )
{
const CAMERA_FRUSTUM& f = m_camera->GetFrustum();
float factor = 2 * f.nw / ( extents.max_x - extents.min_x );
float zoom = m_camera->GetZoom() / factor;
m_camera->Zoom( factor );
// The camera auto positions the camera to match the zoom values. We need to
// update our cached camera matrix to match the new z value
m_cameraMatrix[3].z = m_camera->GetViewMatrix()[3].z;
// The camera has a constraint on the zoom factor so we need to check that ...
if( zoom != m_camera->GetZoom() )
{
// ... and let the 3DMouse controller know, when something is amiss.
return navlib::make_result_code( navlib::navlib_errc::error );
}
return 0;
}
long NL_3D_VIEWER_PLUGIN_IMPL::SetViewFOV( double fov )
{
return navlib::make_result_code( navlib::navlib_errc::function_not_supported );
}
long NL_3D_VIEWER_PLUGIN_IMPL::SetViewFrustum( const navlib::frustum_t& frustum )
{
return navlib::make_result_code( navlib::navlib_errc::permission_denied );
}
long NL_3D_VIEWER_PLUGIN_IMPL::GetModelExtents( navlib::box_t& extents ) const
{
SFVEC3F min = m_canvas->GetBoardAdapter().GetBBox().Min();
SFVEC3F max = m_canvas->GetBoardAdapter().GetBBox().Max();
extents = { min.x, min.y, min.z, max.x, max.y, max.z };
return 0;
}
long NL_3D_VIEWER_PLUGIN_IMPL::GetSelectionExtents( navlib::box_t& extents ) const
{
return navlib::make_result_code( navlib::navlib_errc::no_data_available );
}
long NL_3D_VIEWER_PLUGIN_IMPL::GetSelectionTransform( navlib::matrix_t& transform ) const
{
return navlib::make_result_code( navlib::navlib_errc::no_data_available );
}
long NL_3D_VIEWER_PLUGIN_IMPL::GetIsSelectionEmpty( navlib::bool_t& empty ) const
{
empty = true;
return 0;
}
long NL_3D_VIEWER_PLUGIN_IMPL::SetSelectionTransform( const navlib::matrix_t& matrix )
{
return navlib::make_result_code( navlib::navlib_errc::invalid_operation );
}
long NL_3D_VIEWER_PLUGIN_IMPL::GetPivotPosition( navlib::point_t& position ) const
{
SFVEC3F lap = m_camera->GetLookAtPos();
position = { lap.x, lap.y, lap.z };
return 0;
}
long NL_3D_VIEWER_PLUGIN_IMPL::IsUserPivot( navlib::bool_t& userPivot ) const
{
userPivot = false;
return 0;
}
long NL_3D_VIEWER_PLUGIN_IMPL::SetPivotPosition( const navlib::point_t& position )
{
SFVEC3F pivotPos = SFVEC3F( position.x, position.y, position.z );
// Set the pivot icon position .
m_camera->SetLookAtPos_T1( pivotPos );
#if 0
// Set the trackball pivot to the same position as the 3DMouse pivot.
glm::mat4 m = m_camera->GetViewMatrix();
m_camera->SetLookAtPos( pivotPos );
m_camera->SetViewMatrix( std::move( m ) );
m_camera->Update();
#endif
m_canvas->Request_refresh();
return 0;
}
long NL_3D_VIEWER_PLUGIN_IMPL::GetPivotVisible( navlib::bool_t& visible ) const
{
visible = m_canvas->GetRenderPivot();
return 0;
}
long NL_3D_VIEWER_PLUGIN_IMPL::SetPivotVisible( bool visible )
{
m_canvas->SetRenderPivot( visible );
m_canvas->Request_refresh();
return 0;
}
long NL_3D_VIEWER_PLUGIN_IMPL::GetHitLookAt( navlib::point_t& position ) const
{
RAY mouseRay;
mouseRay.Init( m_rayOrigin, m_rayDirection );
float hit;
glm::vec3 vec;
// Test it with the board bounding box
if( m_canvas->GetBoardAdapter().GetBBox().Intersect( mouseRay, &hit ) )
{
vec = mouseRay.at( hit );
position = { vec.x, vec.y, vec.z };
return 0;
}
return navlib::make_result_code( navlib::navlib_errc::no_data_available );
}
long NL_3D_VIEWER_PLUGIN_IMPL::SetHitAperture( double aperture )
{
return navlib::make_result_code( navlib::navlib_errc::function_not_supported );
}
long NL_3D_VIEWER_PLUGIN_IMPL::SetHitDirection( const navlib::vector_t& direction )
{
m_rayDirection = { direction.x, direction.y, direction.z };
return 0;
}
long NL_3D_VIEWER_PLUGIN_IMPL::SetHitLookFrom( const navlib::point_t& eye )
{
m_rayOrigin = { eye.x, eye.y, eye.z };
return 0;
}
long NL_3D_VIEWER_PLUGIN_IMPL::SetHitSelectionOnly( bool onlySelection )
{
return navlib::make_result_code( navlib::navlib_errc::function_not_supported );
}
long NL_3D_VIEWER_PLUGIN_IMPL::SetActiveCommand( std::string commandId )
{
if( commandId.empty() )
{
return 0;
}
std::list<TOOL_ACTION*> actions = ACTION_MANAGER::GetActionList();
TOOL_ACTION* context = nullptr;
for( std::list<TOOL_ACTION*>::const_iterator it = actions.begin(); it != actions.end(); it++ )
{
TOOL_ACTION* action = *it;
std::string nm = action->GetName();
if( commandId == nm )
{
context = action;
}
}
if( context != nullptr )
{
wxWindow* parent = m_canvas->GetParent();
// Only allow command execution if the window is enabled. i.e. there is not a modal dialog
// currently active.
if( parent->IsEnabled() )
{
TOOL_MANAGER* tool_manager = static_cast<PCB_BASE_FRAME*>( parent )->GetToolManager();
if( tool_manager == nullptr )
{
return navlib::make_result_code( navlib::navlib_errc::invalid_operation );
}
// Get the selection to use to test if the action is enabled
SELECTION& sel = tool_manager->GetToolHolder()->GetCurrentSelection();
bool runAction = true;
if( const ACTION_CONDITIONS* aCond =
tool_manager->GetActionManager()->GetCondition( *context ) )
{
runAction = aCond->enableCondition( sel );
}
if( runAction )
{
tool_manager->RunAction( *context, true );
m_canvas->Request_refresh();
}
}
else
{
return navlib::make_result_code( navlib::navlib_errc::invalid_operation );
}
}
return 0;
}
long NL_3D_VIEWER_PLUGIN_IMPL::SetSettingsChanged( long change )
{
return 0;
}
long NL_3D_VIEWER_PLUGIN_IMPL::SetMotionFlag( bool value )
{
m_capIsMoving = value;
return 0;
}
long NL_3D_VIEWER_PLUGIN_IMPL::SetTransaction( long value )
{
if( value != 0L )
{
}
else
{
m_canvas->Request_refresh( true );
wxLogTrace( m_logTrace, wxT( "End of transaction" ) );
}
return 0;
}
long NL_3D_VIEWER_PLUGIN_IMPL::SetCameraTarget( const navlib::point_t& position )
{
return navlib::make_result_code( navlib::navlib_errc::function_not_supported );
}
long NL_3D_VIEWER_PLUGIN_IMPL::GetFrontView( navlib::matrix_t& matrix ) const
{
matrix = { 1, 0, 0, 0, 0, 0, 1, 0, 0, -1, 0, 0, 0, 0, 0, 1 };
return 0;
}
long NL_3D_VIEWER_PLUGIN_IMPL::GetCoordinateSystem( navlib::matrix_t& matrix ) const
{
// Use the right-handed coordinate system X-right, Z-up, Y-in (row vectors)
matrix = { 1, 0, 0, 0, 0, 0, 1, 0, 0, -1, 0, 0, 0, 0, 0, 1 };
return 0;
}
long NL_3D_VIEWER_PLUGIN_IMPL::GetIsViewRotatable( navlib::bool_t& isRotatable ) const
{
isRotatable = true;
return 0;
}