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|
/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: b3dentty.cxx,v $
*
* $Revision: 1.3 $
*
* last change: $Author: rt $ $Date: 2005-09-09 02:25:44 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#ifndef _B3D_B3DENTITY_HXX
#include "b3dentty.hxx"
#endif
#ifndef _B3D_B3DCOMMN_HXX
#include "b3dcommn.hxx"
#endif
#ifndef _B3D_B3DTRANS_HXX
#include "b3dtrans.hxx"
#endif
#ifndef _TOOLS_DEBUG_HXX
#include <tools/debug.hxx>
#endif
/*************************************************************************
|*
|* Kopieren eine 3DEntity
|*
\************************************************************************/
void B3dEntity::Copy(B3dEntity& rEnt)
{
aPoint = rEnt.Point();
bDeviceCoor = rEnt.IsDeviceCoor();
bValid = rEnt.IsValid();
bEdgeFlag = rEnt.IsEdgeVisible();
aPlaneNormal = rEnt.PlaneNormal();
bNormalUsed = rEnt.IsNormalUsed();
if( bNormalUsed )
aNormal = rEnt.Normal();
bTexCoorUsed = rEnt.IsTexCoorUsed();
if( bTexCoorUsed )
aTexCoor = rEnt.TexCoor();
aColor = rEnt.Color();
}
/*************************************************************************
|*
|* Flags auf Ausgangsposition
|*
\************************************************************************/
void B3dEntity::Reset()
{
bValid = bNormalUsed = bTexCoorUsed = bDeviceCoor = FALSE;
bEdgeFlag = TRUE;
}
/*************************************************************************
|*
|* Device Koordinaten des Punktes berechnen
|*
\************************************************************************/
void B3dEntity::ImplToDeviceCoor(B3dTransformationSet* pSet)
{
if(pSet && !bDeviceCoor)
{
const Vector3D& rScale = pSet->GetScale();
const Vector3D& rTrans = pSet->GetTranslate();
aPoint.Homogenize();
aPoint[0] = (aPoint[0] * rScale[0]) + rTrans[0];
aPoint[1] = (aPoint[1] * rScale[1]) + rTrans[1];
aPoint[2] = (aPoint[2] * rScale[2]) + rTrans[2];
bDeviceCoor = TRUE;
}
}
/*************************************************************************
|*
|* aus Device Koordinaten des Punktes 3D Koor im canonical view volume
|* berechnen
|*
\************************************************************************/
void B3dEntity::ImplTo3DCoor(B3dTransformationSet* pSet)
{
if(pSet && bDeviceCoor)
{
const Vector3D& rScale = pSet->GetScale();
const Vector3D& rTrans = pSet->GetTranslate();
aPoint.Homogenize();
if(rScale[0] != 0.0)
aPoint[0] = (aPoint[0] - rTrans[0]) / rScale[0];
if(rScale[1] != 0.0)
aPoint[1] = (aPoint[1] - rTrans[1]) / rScale[1];
if(rScale[2] != 0.0)
aPoint[2] = (aPoint[2] - rTrans[2]) / rScale[2];
bDeviceCoor = FALSE;
}
}
/*************************************************************************
|*
|* Garantiere eine gemeinsame Datenbasis (ClipKoordinaten oder
|* Devicekoordinaten)
|*
\************************************************************************/
void B3dEntity::ForceEqualBase(B3dTransformationSet* pSet, B3dEntity& rOld)
{
if(IsDeviceCoor() && rOld.IsDeviceCoor())
{
SetDeviceCoor();
}
else
{
if(IsDeviceCoor())
To3DCoor(pSet);
if(rOld.IsDeviceCoor())
rOld.To3DCoor(pSet);
}
}
/*************************************************************************
|*
|* Garantiere eine gemeinsame Datenbasis (ClipKoordinaten oder
|* Devicekoordinaten)
|*
\************************************************************************/
void B3dEntity::ForceEqualBase(B3dTransformationSet* pSet, B3dEntity& rOld1,
B3dEntity& rOld2)
{
if(!IsDeviceCoor() && rOld1.IsDeviceCoor() && rOld2.IsDeviceCoor())
{
if(IsDeviceCoor())
To3DCoor(pSet);
if(rOld1.IsDeviceCoor())
rOld1.To3DCoor(pSet);
if(rOld2.IsDeviceCoor())
rOld2.To3DCoor(pSet);
}
}
/*************************************************************************
|*
|* Neuen Punkt an der stelle t des parametrisierten Vektors rOld1, rOld2
|* berechnen und fuellen
|*
\************************************************************************/
void B3dEntity::CalcInBetween(B3dEntity& rOld1, B3dEntity& rOld2, double t)
{
// DeviceCoor der ersten Quelle benutzen, die Basis sollte
// vorher abgeglichen sein
SetDeviceCoor(rOld1.IsDeviceCoor());
// Punktkoordinaten berechnen
aPoint.CalcInBetween(rOld1.Point(), rOld2.Point(), t);
SetValid();
// PlaneNormal Koordinaten berechnen
rOld1.PlaneNormal().Normalize();
rOld2.PlaneNormal().Normalize();
aPlaneNormal.CalcInBetween(rOld1.PlaneNormal(), rOld2.PlaneNormal(), t);
aPlaneNormal.Normalize();
// Vektor berechnen
if(rOld1.IsNormalUsed() && rOld2.IsNormalUsed())
{
rOld1.Normal().Normalize();
rOld2.Normal().Normalize();
aNormal.CalcInBetween(rOld1.Normal(), rOld2.Normal(), t);
aNormal.Normalize();
SetNormalUsed();
}
// Texturkoordinaten berechnen
if(rOld1.IsTexCoorUsed() && rOld2.IsTexCoorUsed())
{
aTexCoor.CalcInBetween(rOld1.TexCoor(), rOld2.TexCoor(), t);
SetTexCoorUsed();
}
// EdgeVisible berechnen
SetEdgeVisible(rOld1.IsEdgeVisible());
// Farbe berechnen
aColor.CalcInBetween(rOld1.Color(), rOld2.Color(), t);
}
/*************************************************************************
|*
|* Neuen Punkt in der Mitte des parametrisierten Vektors rOld1, rOld2
|* berechnen und fuellen
|*
\************************************************************************/
void B3dEntity::CalcMiddle(B3dEntity& rOld1, B3dEntity& rOld2)
{
// DeviceCoor der ersten Quelle benutzen, die Basis sollte
// vorher abgeglichen sein
SetDeviceCoor(rOld1.IsDeviceCoor());
// Punktkoordinaten berechnen
aPoint.CalcMiddle(rOld1.Point(), rOld2.Point());
SetValid();
// PlaneNormal Koordinaten berechnen
rOld1.PlaneNormal().Normalize();
rOld2.PlaneNormal().Normalize();
aPlaneNormal.CalcMiddle(rOld1.PlaneNormal(), rOld2.PlaneNormal());
aPlaneNormal.Normalize();
// Vektor berechnen
if(rOld1.IsNormalUsed() && rOld2.IsNormalUsed())
{
rOld1.Normal().Normalize();
rOld2.Normal().Normalize();
aNormal.CalcMiddle(rOld1.Normal(), rOld2.Normal());
aNormal.Normalize();
SetNormalUsed();
}
// Texturkoordinaten berechnen
if(rOld1.IsTexCoorUsed() && rOld2.IsTexCoorUsed())
{
aTexCoor.CalcMiddle(rOld1.TexCoor(), rOld2.TexCoor());
SetTexCoorUsed();
}
// EdgeVisible berechnen
SetEdgeVisible(rOld1.IsEdgeVisible());
// Farbe berechnen
aColor.CalcMiddle(rOld1.Color(), rOld2.Color());
}
/*************************************************************************
|*
|* Neuen Punkt in der Mitte des Dreiecks rOld1, rOld2, rOld3
|* berechnen und fuellen
|*
\************************************************************************/
void B3dEntity::CalcMiddle(B3dEntity& rOld1, B3dEntity& rOld2,
B3dEntity& rOld3)
{
// DeviceCoor der ersten Quelle benutzen, die Basis sollte
// vorher abgeglichen sein
SetDeviceCoor(rOld1.IsDeviceCoor());
// Punktkoordinaten berechnen
aPoint.CalcMiddle(rOld1.Point(), rOld2.Point(), rOld3.Point());
SetValid();
// PlaneNormal Koordinaten berechnen
rOld1.PlaneNormal().Normalize();
rOld2.PlaneNormal().Normalize();
rOld3.PlaneNormal().Normalize();
aPlaneNormal.CalcMiddle(rOld1.PlaneNormal(), rOld2.PlaneNormal(), rOld3.PlaneNormal());
aPlaneNormal.Normalize();
// Vektor berechnen
if(rOld1.IsNormalUsed() && rOld2.IsNormalUsed() && rOld3.IsNormalUsed())
{
rOld1.Normal().Normalize();
rOld2.Normal().Normalize();
rOld3.Normal().Normalize();
aNormal.CalcMiddle(rOld1.Normal(), rOld2.Normal(), rOld3.Normal());
aNormal.Normalize();
SetNormalUsed();
}
// Texturkoordinaten berechnen
if(rOld1.IsTexCoorUsed() && rOld2.IsTexCoorUsed() && rOld3.IsTexCoorUsed())
{
aTexCoor.CalcMiddle(rOld1.TexCoor(), rOld2.TexCoor(), rOld3.TexCoor());
SetTexCoorUsed();
}
// Farbe berechnen
aColor.CalcMiddle(rOld1.Color(), rOld2.Color(), rOld3.Color());
}
/*************************************************************************
|*
|* Eine beliebige Transformation auf die Geometrie anwenden
|*
\************************************************************************/
void B3dEntity::Transform(const Matrix4D& rMat)
{
aPoint *= rMat;
if(bNormalUsed)
rMat.RotateAndNormalize(aNormal);
}
/*************************************************************************
|*
|* Bucket fuer geometrische Daten
|*
\************************************************************************/
BASE3D_IMPL_BUCKET(B3dEntity, Bucket)
|
