forked from bartvdbraak/blender
218 lines
4.5 KiB
C++
218 lines
4.5 KiB
C++
/**
|
|
* $Id$
|
|
*
|
|
* ***** BEGIN GPL LICENSE BLOCK *****
|
|
*
|
|
* 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, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
|
|
* All rights reserved.
|
|
*
|
|
* The Original Code is: all of this file.
|
|
*
|
|
* Contributor(s): none yet.
|
|
*
|
|
* ***** END GPL LICENSE BLOCK *****
|
|
*/
|
|
|
|
#include "SG_Node.h"
|
|
#include "SG_Spatial.h"
|
|
#include "SG_Controller.h"
|
|
#include "SG_ParentRelation.h"
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include <config.h>
|
|
#endif
|
|
|
|
SG_Spatial::
|
|
SG_Spatial(
|
|
void* clientobj,
|
|
void* clientinfo,
|
|
SG_Callbacks& callbacks
|
|
):
|
|
|
|
SG_IObject(clientobj,clientinfo,callbacks),
|
|
m_localPosition(0.0,0.0,0.0),
|
|
m_localRotation(1.0,0.0,0.0,0.0,1.0,0.0,0.0,0.0,1.0),
|
|
m_localScaling(1.f,1.f,1.f),
|
|
|
|
m_worldPosition(0.0,0.0,0.0),
|
|
m_worldRotation(1.0,0.0,0.0,0.0,1.0,0.0,0.0,0.0,1.0),
|
|
m_worldScaling(1.f,1.f,1.f),
|
|
|
|
m_parent_relation (NULL),
|
|
|
|
m_bbox(MT_Point3(-1.0, -1.0, -1.0), MT_Point3(1.0, 1.0, 1.0)),
|
|
m_radius(1.0),
|
|
m_modified(false),
|
|
m_ogldirty(false)
|
|
{
|
|
}
|
|
|
|
SG_Spatial::
|
|
SG_Spatial(
|
|
const SG_Spatial& other
|
|
) :
|
|
SG_IObject(other),
|
|
m_localPosition(other.m_localPosition),
|
|
m_localRotation(other.m_localRotation),
|
|
m_localScaling(other.m_localScaling),
|
|
|
|
m_worldPosition(other.m_worldPosition),
|
|
m_worldRotation(other.m_worldRotation),
|
|
m_worldScaling(other.m_worldScaling),
|
|
|
|
m_parent_relation(NULL),
|
|
|
|
m_bbox(other.m_bbox),
|
|
m_radius(other.m_radius),
|
|
m_modified(false),
|
|
m_ogldirty(false)
|
|
{
|
|
// duplicate the parent relation for this object
|
|
m_parent_relation = other.m_parent_relation->NewCopy();
|
|
}
|
|
|
|
SG_Spatial::
|
|
~SG_Spatial()
|
|
{
|
|
delete (m_parent_relation);
|
|
}
|
|
|
|
void
|
|
SG_Spatial::
|
|
SetParentRelation(
|
|
SG_ParentRelation *relation
|
|
){
|
|
delete (m_parent_relation);
|
|
m_parent_relation = relation;
|
|
SetModified();
|
|
}
|
|
|
|
|
|
/**
|
|
* Update Spatial Data.
|
|
* Calculates WorldTransform., (either doing itsself or using the linked SGControllers)
|
|
*/
|
|
|
|
|
|
bool
|
|
SG_Spatial::
|
|
UpdateSpatialData(
|
|
const SG_Spatial *parent,
|
|
double time,
|
|
bool& parentUpdated
|
|
){
|
|
|
|
bool bComputesWorldTransform = false;
|
|
|
|
// update spatial controllers
|
|
|
|
SGControllerList::iterator cit = GetSGControllerList().begin();
|
|
SGControllerList::const_iterator c_end = GetSGControllerList().end();
|
|
|
|
for (;cit!=c_end;++cit)
|
|
{
|
|
if ((*cit)->Update(time))
|
|
bComputesWorldTransform = true;
|
|
}
|
|
|
|
// If none of the objects updated our values then we ask the
|
|
// parent_relation object owned by this class to update
|
|
// our world coordinates.
|
|
|
|
if (!bComputesWorldTransform)
|
|
bComputesWorldTransform = ComputeWorldTransforms(parent, parentUpdated);
|
|
|
|
return bComputesWorldTransform;
|
|
}
|
|
|
|
/**
|
|
* Position and translation methods
|
|
*/
|
|
|
|
|
|
void
|
|
SG_Spatial::
|
|
RelativeTranslate(
|
|
const MT_Vector3& trans,
|
|
const SG_Spatial *parent,
|
|
bool local
|
|
){
|
|
if (local) {
|
|
m_localPosition += m_localRotation * trans;
|
|
} else {
|
|
if (parent) {
|
|
m_localPosition += trans * parent->GetWorldOrientation();
|
|
} else {
|
|
m_localPosition += trans;
|
|
}
|
|
}
|
|
SetModified();
|
|
}
|
|
|
|
|
|
/**
|
|
* Scaling methods.
|
|
*/
|
|
|
|
|
|
/**
|
|
* Orientation and rotation methods.
|
|
*/
|
|
|
|
|
|
void
|
|
SG_Spatial::
|
|
RelativeRotate(
|
|
const MT_Matrix3x3& rot,
|
|
bool local
|
|
){
|
|
m_localRotation = m_localRotation * (
|
|
local ?
|
|
rot
|
|
:
|
|
(GetWorldOrientation().inverse() * rot * GetWorldOrientation()));
|
|
SetModified();
|
|
}
|
|
|
|
|
|
|
|
MT_Transform SG_Spatial::GetWorldTransform() const
|
|
{
|
|
return MT_Transform(m_worldPosition,
|
|
m_worldRotation.scaled(
|
|
m_worldScaling[0], m_worldScaling[1], m_worldScaling[2]));
|
|
}
|
|
|
|
bool SG_Spatial::inside(const MT_Point3 &point) const
|
|
{
|
|
MT_Scalar radius = m_worldScaling[m_worldScaling.closestAxis()]*m_radius;
|
|
return (m_worldPosition.distance2(point) <= radius*radius) ?
|
|
m_bbox.transform(GetWorldTransform()).inside(point) :
|
|
false;
|
|
}
|
|
|
|
void SG_Spatial::getBBox(MT_Point3 *box) const
|
|
{
|
|
m_bbox.get(box, GetWorldTransform());
|
|
}
|
|
|
|
void SG_Spatial::getAABBox(MT_Point3 *box) const
|
|
{
|
|
m_bbox.getaa(box, GetWorldTransform());
|
|
}
|
|
|