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-rw-r--r--kpovmodeler/pmtriangle.cpp621
1 files changed, 621 insertions, 0 deletions
diff --git a/kpovmodeler/pmtriangle.cpp b/kpovmodeler/pmtriangle.cpp
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+++ b/kpovmodeler/pmtriangle.cpp
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+/*
+**************************************************************************
+ description
+ --------------------
+ copyright : (C) 2001 by Andreas Zehender
+ email : zehender@kde.org
+**************************************************************************
+
+**************************************************************************
+* *
+* 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. *
+* *
+**************************************************************************/
+
+
+#include "pmtriangle.h"
+#include "pmtriangleedit.h"
+
+#include "pmxmlhelper.h"
+#include "pmmemento.h"
+#include "pmviewstructure.h"
+#include "pm3dcontrolpoint.h"
+#include "pmvectorcontrolpoint.h"
+
+#include <klocale.h>
+
+const PMVector point0Default = PMVector( -1.0, 0.0, 0.0 );
+const PMVector point1Default = PMVector( 1.0, 0.0, 0.0 );
+const PMVector point2Default = PMVector( 0.0, 0.0, 1.0 );
+const PMVector normal0Default = PMVector( 0.0, 1.0, 0.0 );
+const PMVector normal1Default = PMVector( 0.0, 1.0, 0.0 );
+const PMVector normal2Default = PMVector( 0.0, 1.0, 0.0 );
+const PMVector uvVector0Default = PMVector( 0.0, 0.0 );
+const PMVector uvVector1Default = PMVector( 1.0, 0.0 );
+const PMVector uvVector2Default = PMVector( 0.5, 1.0 );
+
+PMDefinePropertyClass( PMTriangle, PMTriangleProperty );
+
+class PMPointProperty : public PMPropertyBase
+{
+public:
+ PMPointProperty( ) : PMPropertyBase( "points", PMVariant::Vector )
+ {
+ m_index = 0;
+ }
+ virtual int dimensions( ) const { return 1; }
+ virtual void setIndex( int /*dimension*/, int index )
+ {
+ if( index < 0 || index > 2 )
+ kdError( PMArea ) << "Illegal index in PMTriangle::PointProperty::setIndex" << endl;
+ else
+ m_index = index;
+ }
+ virtual int size( PMObject* /*object*/, int /*dimension*/ ) const
+ {
+ return 3;
+ }
+protected:
+ virtual bool setProtected( PMObject* obj, const PMVariant& v )
+ {
+ PMTriangle* p = ( PMTriangle* ) obj;
+ p->setPoint( m_index, v.vectorData( ) );
+ return true;
+ }
+ virtual PMVariant getProtected( const PMObject* obj )
+ {
+ const PMTriangle* p = ( const PMTriangle* ) obj;
+ return PMVariant( p->point( m_index ) );
+ }
+
+private:
+ int m_index;
+};
+
+class PMNormalProperty : public PMPropertyBase
+{
+public:
+ PMNormalProperty( ) : PMPropertyBase( "normals", PMVariant::Vector )
+ {
+ m_index = 0;
+ }
+ virtual int dimensions( ) const { return 1; }
+ virtual void setIndex( int /*dimension*/, int index )
+ {
+ if( index < 0 || index > 2 )
+ kdError( PMArea ) << "Illegal index in PMTriangle::NormalProperty::setIndex" << endl;
+ else
+ m_index = index;
+ }
+ virtual int size( PMObject* /*object*/, int /*dimension*/ ) const
+ {
+ return 3;
+ }
+protected:
+ virtual bool setProtected( PMObject* obj, const PMVariant& v )
+ {
+ PMTriangle* p = ( PMTriangle* ) obj;
+ p->setNormal( m_index, v.vectorData( ) );
+ return true;
+ }
+ virtual PMVariant getProtected( const PMObject* obj )
+ {
+ const PMTriangle* p = ( const PMTriangle* ) obj;
+ return PMVariant( p->normal( m_index ) );
+ }
+
+private:
+ int m_index;
+};
+
+class PMUVVectorProperty : public PMPropertyBase
+{
+public:
+ PMUVVectorProperty( )
+ : PMPropertyBase( "uvVectors", PMVariant::Vector )
+ {
+ m_index = 0;
+ }
+ virtual int dimensions( ) const { return 1; }
+ virtual void setIndex( int /*dimension*/, int index )
+ {
+ if( index < 0 || index > 2 )
+ kdError( PMArea ) << "Illegal index in PMTriangle::UVVectorProperty::setIndex" << endl;
+ else
+ m_index = index;
+ }
+ virtual int size( PMObject* /*object*/, int /*dimension*/ ) const
+ {
+ return 2;
+ }
+protected:
+ virtual bool setProtected( PMObject* obj, const PMVariant& v )
+ {
+ PMTriangle* p = ( PMTriangle* ) obj;
+ p->setUVVector( m_index, v.vectorData( ) );
+ return true;
+ }
+ virtual PMVariant getProtected( const PMObject* obj )
+ {
+ const PMTriangle* p = ( const PMTriangle* ) obj;
+ return PMVariant( p->uvVector( m_index ) );
+ }
+
+private:
+ int m_index;
+};
+
+PMMetaObject* PMTriangle::s_pMetaObject = 0;
+PMObject* createNewTriangle( PMPart* part )
+{
+ return new PMTriangle( part );
+}
+PMViewStructure* PMTriangle::s_pDefaultViewStructure = 0;
+
+PMTriangle::PMTriangle( PMPart* part )
+ : Base( part )
+{
+ m_point[0] = point0Default;
+ m_point[1] = point1Default;
+ m_point[2] = point2Default;
+ m_normal[0] = normal0Default;
+ m_normal[1] = normal1Default;
+ m_normal[2] = normal2Default;
+ m_smooth = false;
+ m_uvVector[0] = uvVector0Default;
+ m_uvVector[1] = uvVector1Default;
+ m_uvVector[2] = uvVector2Default;
+ m_uvEnabled = false;
+}
+
+PMTriangle::PMTriangle( const PMTriangle& t )
+ : Base( t )
+{
+ int i;
+ for( i = 0; i < 3; i++ )
+ {
+ m_point[i] = t.m_point[i];
+ m_normal[i] = t.m_normal[i];
+ m_uvVector[i] = t.m_uvVector[i];
+ }
+ m_smooth = t.m_smooth;
+ m_uvEnabled = t.m_uvEnabled;
+}
+
+PMTriangle::~PMTriangle( )
+{
+}
+
+QString PMTriangle::description( ) const
+{
+ if( m_smooth )
+ return i18n( "smooth triangle" );
+ return i18n( "triangle" );
+}
+
+void PMTriangle::serialize( QDomElement& e, QDomDocument& doc ) const
+{
+ e.setAttribute( "point0", m_point[0].serializeXML( ) );
+ e.setAttribute( "point1", m_point[1].serializeXML( ) );
+ e.setAttribute( "point2", m_point[2].serializeXML( ) );
+ e.setAttribute( "normal0", m_normal[0].serializeXML( ) );
+ e.setAttribute( "normal1", m_normal[1].serializeXML( ) );
+ e.setAttribute( "normal2", m_normal[2].serializeXML( ) );
+ e.setAttribute( "smooth", m_smooth );
+ e.setAttribute( "uvVector0", m_uvVector[0].serializeXML( ) );
+ e.setAttribute( "uvVector1", m_uvVector[1].serializeXML( ) );
+ e.setAttribute( "uvVector2", m_uvVector[2].serializeXML( ) );
+ e.setAttribute( "uvEnabled", m_uvEnabled );
+ Base::serialize( e, doc );
+}
+
+void PMTriangle::readAttributes( const PMXMLHelper& h )
+{
+ m_point[0] = h.vectorAttribute( "point0", point0Default );
+ m_point[1] = h.vectorAttribute( "point1", point1Default );
+ m_point[2] = h.vectorAttribute( "point2", point2Default );
+ m_normal[0] = h.vectorAttribute( "normal0", normal0Default );
+ m_normal[1] = h.vectorAttribute( "normal1", normal1Default );
+ m_normal[2] = h.vectorAttribute( "normal2", normal2Default );
+ m_smooth = h.boolAttribute( "smooth", false );
+ m_uvVector[0] = h.vectorAttribute( "uvVector0", uvVector0Default );
+ m_uvVector[1] = h.vectorAttribute( "uvVector1", uvVector1Default );
+ m_uvVector[2] = h.vectorAttribute( "uvVector2", uvVector2Default );
+ m_uvEnabled = h.boolAttribute( "uvEnabled", m_uvEnabled );
+ Base::readAttributes( h );
+}
+
+PMMetaObject* PMTriangle::metaObject( ) const
+{
+ if( !s_pMetaObject )
+ {
+ s_pMetaObject = new PMMetaObject( "Triangle", Base::metaObject( ),
+ createNewTriangle );
+ s_pMetaObject->addProperty(
+ new PMTriangleProperty( "smooth", &PMTriangle::setSmoothTriangle,
+ &PMTriangle::isSmoothTriangle ) );
+ s_pMetaObject->addProperty( new PMPointProperty( ) );
+ s_pMetaObject->addProperty( new PMNormalProperty( ) );
+ s_pMetaObject->addProperty( new PMUVVectorProperty( ) );
+ }
+ return s_pMetaObject;
+}
+
+void PMTriangle::setPoint( int i, const PMVector& p )
+{
+ if( ( i >= 0 ) && ( i <= 2 ) )
+ {
+ if( p != m_point[i] )
+ {
+ if( m_pMemento )
+ m_pMemento->addData( s_pMetaObject, PMPoint0ID + i, m_point[i] );
+ m_point[i] = p;
+ m_point[i].resize( 3 );
+ setViewStructureChanged( );
+ }
+ }
+ else
+ kdError( PMArea ) << "Wrong index in PMTriangle::setPoint\n";
+}
+
+PMVector PMTriangle::point( int i ) const
+{
+ if( ( i >= 0 ) && ( i <= 2 ) )
+ return m_point[i];
+ else
+ kdError( PMArea ) << "Wrong index in PMTriangle::point\n";
+ return PMVector( 0.0, 0.0, 0.0 );
+}
+
+void PMTriangle::setNormal( int i, const PMVector& p )
+{
+ if( ( i >= 0 ) && ( i <= 2 ) )
+ {
+ if( p != m_normal[i] )
+ {
+ if( m_pMemento )
+ m_pMemento->addData( s_pMetaObject, PMNormal0ID + i, m_normal[i] );
+ m_normal[i] = p;
+ m_normal[i].resize( 3 );
+ setViewStructureChanged( );
+ }
+ }
+ else
+ kdError( PMArea ) << "Wrong index in PMTriangle::setNormal\n";
+}
+
+PMVector PMTriangle::normal( int i ) const
+{
+ if( ( i >= 0 ) && ( i <= 2 ) )
+ return m_normal[i];
+ else
+ kdError( PMArea ) << "Wrong index in PMTriangle::normal\n";
+ return PMVector( 0.0, 0.0, 0.0 );
+}
+
+void PMTriangle::setSmoothTriangle( bool on )
+{
+ if( on != m_smooth )
+ {
+ if( m_pMemento )
+ {
+ m_pMemento->addData( s_pMetaObject, PMSmoothID, m_smooth );
+ m_pMemento->setDescriptionChanged( );
+ }
+ m_smooth = on;
+ setViewStructureChanged( );
+ }
+}
+
+PMVector PMTriangle::uvVector( int i ) const
+{
+ if( i >= 0 && i < 3 )
+ return m_uvVector[i];
+ else
+ kdError( PMArea ) << "Wrong index in PMTriangle::uvVector\n";
+ return PMVector( 0.0, 0.0 );
+}
+
+void PMTriangle::setUVVector( int i, const PMVector& v )
+{
+ if( i >= 0 && i < 3 )
+ {
+ if( v != m_uvVector[i] )
+ {
+ if( m_pMemento )
+ m_pMemento->addData( s_pMetaObject, PMUVVector0ID + i, m_uvVector[i] );
+ m_uvVector[i] = v;
+ m_uvVector[i].resize( 2 );
+ }
+ }
+ else
+ kdError( PMArea ) << "Wrong index in PMTriangle::setNormal\n";
+}
+
+void PMTriangle::enableUV( bool yes )
+{
+ if( yes != m_uvEnabled )
+ {
+ if( m_pMemento )
+ m_pMemento->addData( s_pMetaObject, PMUVEnabledID, m_uvEnabled );
+ m_uvEnabled = yes;
+ }
+}
+
+PMDialogEditBase* PMTriangle::editWidget( QWidget* parent ) const
+{
+ return new PMTriangleEdit( parent );
+}
+
+void PMTriangle::restoreMemento( PMMemento* s )
+{
+ PMMementoDataIterator it( s );
+ PMMementoData* data;
+
+ for( ; it.current( ); ++it )
+ {
+ data = it.current( );
+ if( data->objectType( ) == s_pMetaObject )
+ {
+ switch( data->valueID( ) )
+ {
+ case PMPoint0ID:
+ setPoint( 0, data->vectorData( ) );
+ break;
+ case PMPoint1ID:
+ setPoint( 1, data->vectorData( ) );
+ break;
+ case PMPoint2ID:
+ setPoint( 2, data->vectorData( ) );
+ break;
+ case PMNormal0ID:
+ setNormal( 0, data->vectorData( ) );
+ break;
+ case PMNormal1ID:
+ setNormal( 1, data->vectorData( ) );
+ break;
+ case PMNormal2ID:
+ setNormal( 2, data->vectorData( ) );
+ break;
+ case PMSmoothID:
+ setSmoothTriangle( data->boolData( ) );
+ break;
+ case PMUVVector0ID:
+ setUVVector( 0, data->vectorData( ) );
+ break;
+ case PMUVVector1ID:
+ setUVVector( 1, data->vectorData( ) );
+ break;
+ case PMUVVector2ID:
+ setUVVector( 2, data->vectorData( ) );
+ break;
+ case PMUVEnabledID:
+ enableUV( data->boolData( ) );
+ break;
+ default:
+ kdError( PMArea ) << "Wrong ID in PMTriangle::restoreMemento\n";
+ break;
+ }
+ }
+ }
+ Base::restoreMemento( s );
+}
+
+
+bool PMTriangle::isDefault( )
+{
+ if( ( m_point[0] == point0Default )
+ && ( m_point[1] == point1Default )
+ && ( m_point[2] == point2Default ) )
+ return true;
+ return false;
+}
+
+void PMTriangle::createViewStructure( )
+{
+ if( !m_pViewStructure )
+ {
+ m_pViewStructure = new PMViewStructure( defaultViewStructure( ) );
+ m_pViewStructure->points( ).detach( );
+ }
+
+ PMPointArray& points = m_pViewStructure->points( );
+
+ points[0] = m_point[0];
+ points[1] = m_point[1];
+ points[2] = m_point[2];
+}
+
+PMViewStructure* PMTriangle::defaultViewStructure( ) const
+{
+ if( !s_pDefaultViewStructure )
+ {
+ s_pDefaultViewStructure = new PMViewStructure( 3, 3 );
+ PMPointArray& points = s_pDefaultViewStructure->points( );
+ PMLineArray& lines = s_pDefaultViewStructure->lines( );
+
+ points[0] = point0Default;
+ points[1] = point1Default;
+ points[2] = point2Default;
+
+ lines[0] = PMLine( 0, 1 );
+ lines[1] = PMLine( 1, 2 );
+ lines[2] = PMLine( 0, 2 );
+ }
+ return s_pDefaultViewStructure;
+}
+
+void PMTriangle::controlPoints( PMControlPointList& list )
+{
+ PM3DControlPoint* cp;
+
+ cp = new PM3DControlPoint( m_point[0], PMPoint0ID,
+ i18n( "Point 1" ) );
+ list.append( cp );
+ if( m_smooth )
+ list.append( new PMVectorControlPoint( cp, m_normal[0], PMNormal0ID,
+ i18n( "Normal 1" ) ) );
+
+ cp = new PM3DControlPoint( m_point[1], PMPoint1ID,
+ i18n( "Point 2" ) );
+ list.append( cp );
+ if( m_smooth )
+ list.append( new PMVectorControlPoint( cp, m_normal[1], PMNormal1ID,
+ i18n( "Normal 2" ) ) );
+
+ cp = new PM3DControlPoint( m_point[2], PMPoint2ID,
+ i18n( "Point 3" ) );
+ list.append( cp );
+ if( m_smooth )
+ list.append( new PMVectorControlPoint( cp, m_normal[2], PMNormal2ID,
+ i18n( "Normal 3" ) ) );
+}
+
+void PMTriangle::controlPointsChanged( PMControlPointList& list )
+{
+ PMControlPoint* p;
+ PMVector p0, p1, p2;
+ PMVector n0, n1, n2;
+ double normalDirection = 1.0;
+ PMVector triangleNormal;
+ bool validNormal = false;
+ double d;
+
+ for( p = list.first( ); p; p = list.next( ) )
+ {
+ switch( p->id( ) )
+ {
+ case PMPoint0ID:
+ p0 = ( ( PM3DControlPoint* ) p )->point( );
+ break;
+ case PMPoint1ID:
+ p1 = ( ( PM3DControlPoint* ) p )->point( );
+ break;
+ case PMPoint2ID:
+ p2 = ( ( PM3DControlPoint* ) p )->point( );
+ break;
+ case PMNormal0ID:
+ n0 = ( ( PMVectorControlPoint* ) p )->vector( );
+ break;
+ case PMNormal1ID:
+ n1 = ( ( PMVectorControlPoint* ) p )->vector( );
+ break;
+ case PMNormal2ID:
+ n2 = ( ( PMVectorControlPoint* ) p )->vector( );
+ break;
+ default:
+ break;
+ }
+ }
+
+ if( m_smooth )
+ {
+ triangleNormal = PMVector::cross( m_point[1] - m_point[0],
+ m_point[2] - m_point[0] );
+ normalDirection = PMVector::dot( triangleNormal, m_normal[0] );
+ if( approxZero( normalDirection ) )
+ normalDirection = PMVector::dot( triangleNormal, m_normal[1] );
+ if( approxZero( normalDirection ) )
+ normalDirection = PMVector::dot( triangleNormal, m_normal[2] );
+ if( normalDirection < 0 )
+ triangleNormal = -triangleNormal;
+ if( !approxZero( triangleNormal.abs( ) ) )
+ {
+ validNormal = true;
+ triangleNormal /= triangleNormal.abs( );
+ }
+ }
+
+ for( p = list.first( ); p; p = list.next( ) )
+ {
+ if( p->changed( ) )
+ {
+ switch( p->id( ) )
+ {
+ case PMPoint0ID:
+ if( !( p0.approxEqual( p1 ) || p0.approxEqual( p2 ) ) )
+ setPoint( 0, p0 );
+ else
+ ( ( PM3DControlPoint* ) p )->setPoint( m_point[0] );
+ break;
+ case PMPoint1ID:
+ if( !( p1.approxEqual( p0 ) || p1.approxEqual( p2 ) ) )
+ setPoint( 1, p1 );
+ else
+ ( ( PM3DControlPoint* ) p )->setPoint( m_point[1] );
+ break;
+ case PMPoint2ID:
+ if( !( p2.approxEqual( p0 ) || p2.approxEqual( p1 ) ) )
+ setPoint( 2, p2 );
+ else
+ ( ( PM3DControlPoint* ) p )->setPoint( m_point[2] );
+ break;
+
+ case PMNormal0ID:
+ if( validNormal )
+ {
+ d = PMVector::dot( triangleNormal, n0 );
+ if( d > 0 )
+ setNormal( 0, n0 );
+ else
+ {
+ setNormal( 0, n0 - ( d - 1e-5 ) * triangleNormal );
+ ( ( PMVectorControlPoint* ) p )->setVector( m_normal[0] );
+ }
+ }
+ else
+ ( ( PMVectorControlPoint* ) p )->setVector( m_normal[0] );
+ break;
+ case PMNormal1ID:
+ if( validNormal )
+ {
+ d = PMVector::dot( triangleNormal, n1 );
+ if( d > 0 )
+ setNormal( 1, n1 );
+ else
+ {
+ setNormal( 1, n1 - ( d - 1e-5 ) * triangleNormal );
+ ( ( PMVectorControlPoint* ) p )->setVector( m_normal[1] );
+ }
+ }
+ else
+ ( ( PMVectorControlPoint* ) p )->setVector( m_normal[1] );
+ break;
+ case PMNormal2ID:
+ if( validNormal )
+ {
+ d = PMVector::dot( triangleNormal, n2 );
+ if( d > 0 )
+ setNormal( 2, n2 );
+ else
+ {
+ setNormal( 2, n2 - ( d - 1e-5 ) * triangleNormal );
+ ( ( PMVectorControlPoint* ) p )->setVector( m_normal[2] );
+ }
+ }
+ else
+ ( ( PMVectorControlPoint* ) p )->setVector( m_normal[2] );
+ break;
+ default:
+ kdError( PMArea ) << "Wrong ID in PMTriangle::controlPointsChanged\n";
+ break;
+ }
+ }
+ }
+}
+
+void PMTriangle::cleanUp( ) const
+{
+ if( s_pDefaultViewStructure )
+ delete s_pDefaultViewStructure;
+ s_pDefaultViewStructure = 0;
+ if( s_pMetaObject )
+ {
+ delete s_pMetaObject;
+ s_pMetaObject = 0;
+ }
+ Base::cleanUp( );
+}