[692] | 1 | /*
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| 2 | -----------------------------------------------------------------------------
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| 3 | This source file is part of OGRE
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| 4 | (Object-oriented Graphics Rendering Engine)
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| 5 | For the latest info, see http://www.ogre3d.org/
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| 6 |
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| 7 | Copyright (c) 2000-2005 The OGRE Team
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| 8 | Also see acknowledgements in Readme.html
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| 9 |
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| 10 | This program is free software; you can redistribute it and/or modify it under
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software
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| 12 | Foundation; either version 2 of the License, or (at your option) any later
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| 13 | version.
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| 14 |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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| 18 |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to
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| 22 | http://www.gnu.org/copyleft/lesser.txt.
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| 23 | -----------------------------------------------------------------------------
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| 24 | */
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| 25 | #include "OgreStableHeaders.h"
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| 26 |
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| 27 | #include "OgreTagPoint.h"
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| 28 | #include "OgreMatrix4.h"
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| 29 | #include "OgreMatrix3.h"
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| 30 | #include "OgreEntity.h"
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| 31 | #include "OgreSceneNode.h"
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| 32 | #include "OgreSkeleton.h"
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| 33 | #include "OgreQuaternion.h"
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| 34 |
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| 35 |
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| 36 | namespace Ogre {
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| 37 |
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| 38 | //-----------------------------------------------------------------------------
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| 39 | TagPoint::TagPoint(unsigned short handle, Skeleton* creator): Bone(handle, creator)
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| 40 | {
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| 41 | mParentEntity = 0;
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| 42 | mChildObject = 0;
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| 43 | }
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| 44 | //-----------------------------------------------------------------------------
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| 45 | TagPoint::~TagPoint()
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| 46 | {
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| 47 | }
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| 48 | //-----------------------------------------------------------------------------
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| 49 | Entity *TagPoint::getParentEntity(void)
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| 50 | {
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| 51 | return mParentEntity;
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| 52 | }
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| 53 | //-----------------------------------------------------------------------------
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| 54 | void TagPoint::setParentEntity(Entity *pEntity)
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| 55 | {
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| 56 | mParentEntity = pEntity;
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| 57 | }
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| 58 | //-----------------------------------------------------------------------------
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| 59 | void TagPoint::setChildObject(MovableObject *pObject)
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| 60 | {
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| 61 | mChildObject = pObject;
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| 62 | }
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| 63 | //-----------------------------------------------------------------------------
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| 64 | Matrix4 TagPoint::_getFullTransform(void)
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| 65 | {
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| 66 | //return getParentEntityTransform() * Node::_getFullTransform();
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| 67 | // Now that we're overriding updateFromParent(), this doesn't need to be different
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| 68 | return Node::_getFullTransform();
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| 69 | }
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| 70 | //-----------------------------------------------------------------------------
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| 71 | Matrix4 TagPoint::_getFullLocalTransform(void)
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| 72 | {
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| 73 | return mFullLocalTransform;
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| 74 | }
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| 75 | //-----------------------------------------------------------------------------
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| 76 | Matrix4 TagPoint::getParentEntityTransform()
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| 77 | {
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| 78 |
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| 79 | return mParentEntity->_getParentNodeFullTransform();
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| 80 | }
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| 81 | //-----------------------------------------------------------------------------
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| 82 | void TagPoint::_update(bool updateChildren, bool parentHasChanged)
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| 83 | {
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| 84 | Node::_update(updateChildren, parentHasChanged);
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| 85 | }
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| 86 | //-----------------------------------------------------------------------------
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| 87 | void TagPoint::needUpdate()
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| 88 | {
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| 89 | // We need to tell parent entities node
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| 90 | if (mParentEntity)
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| 91 | {
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| 92 | Node* n = mParentEntity->getParentNode();
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| 93 | if (n)
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| 94 | {
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| 95 | n->needUpdate();
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| 96 | }
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| 97 |
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| 98 | }
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| 99 |
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| 100 | }
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| 101 | //-----------------------------------------------------------------------------
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| 102 | void TagPoint::_updateFromParent(void) const
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| 103 | {
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| 104 | // Call superclass
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| 105 | Bone::_updateFromParent();
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| 106 |
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| 107 | // Save transform for local skeleton
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| 108 | mFullLocalTransform.makeTransform(
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| 109 | mDerivedPosition,
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| 110 | mDerivedScale,
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| 111 | mDerivedOrientation);
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| 112 |
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| 113 | // Include Entity transform
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| 114 | if (mParentEntity)
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| 115 | {
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| 116 | Node* entityParentNode = mParentEntity->getParentNode();
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| 117 | if (entityParentNode)
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| 118 | {
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| 119 | // Note: orientation/scale inheritance already take care with
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| 120 | // _updateFromParent, don't do that with parent entity transform.
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| 121 |
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| 122 | // Combine orientation with that of parent entity
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| 123 | const Quaternion& parentOrientation = entityParentNode->_getDerivedOrientation();
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| 124 | mDerivedOrientation = parentOrientation * mDerivedOrientation;
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| 125 |
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| 126 | // Incorporate parent entity scale
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| 127 | const Vector3& parentScale = entityParentNode->_getDerivedScale();
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| 128 | mDerivedScale *= parentScale;
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| 129 |
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| 130 | // Change position vector based on parent entity's orientation & scale
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| 131 | mDerivedPosition = parentOrientation * (parentScale * mDerivedPosition);
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| 132 |
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| 133 | // Add altered position vector to parent entity
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| 134 | mDerivedPosition += entityParentNode->_getDerivedPosition();
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| 135 | }
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| 136 | }
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| 137 |
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| 138 |
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| 139 | }
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| 140 | //-----------------------------------------------------------------------------
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| 141 | const LightList& TagPoint::getLights(void) const
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| 142 | {
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| 143 | return mParentEntity->getParentSceneNode()->findLights(mParentEntity->getBoundingRadius());
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| 144 | }
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| 145 |
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| 146 | }
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