[1] | 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) 2000-2006 Torus Knot Software Ltd |
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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 | You may alternatively use this source under the terms of a specific version of |
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| 25 | the OGRE Unrestricted License provided you have obtained such a license from |
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| 26 | Torus Knot Software Ltd. |
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| 27 | ----------------------------------------------------------------------------- |
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| 28 | */ |
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| 29 | #include "OgreStableHeaders.h" |
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| 30 | |
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| 31 | #include "OgreTagPoint.h" |
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| 32 | #include "OgreMatrix4.h" |
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| 33 | #include "OgreMatrix3.h" |
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| 34 | #include "OgreEntity.h" |
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| 35 | #include "OgreSceneNode.h" |
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| 36 | #include "OgreSkeleton.h" |
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| 37 | #include "OgreQuaternion.h" |
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| 38 | |
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| 39 | |
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| 40 | namespace Ogre { |
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| 41 | |
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| 42 | //----------------------------------------------------------------------------- |
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| 43 | TagPoint::TagPoint(unsigned short handle, Skeleton* creator) |
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| 44 | : Bone(handle, creator) |
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| 45 | , mParentEntity(0) |
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| 46 | , mChildObject(0) |
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| 47 | , mInheritParentEntityOrientation(true) |
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| 48 | , mInheritParentEntityScale(true) |
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| 49 | { |
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| 50 | } |
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| 51 | //----------------------------------------------------------------------------- |
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| 52 | TagPoint::~TagPoint() |
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| 53 | { |
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| 54 | } |
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| 55 | //----------------------------------------------------------------------------- |
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| 56 | Entity *TagPoint::getParentEntity(void) const |
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| 57 | { |
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| 58 | return mParentEntity; |
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| 59 | } |
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| 60 | //----------------------------------------------------------------------------- |
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| 61 | MovableObject* TagPoint::getChildObject(void) const |
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| 62 | { |
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| 63 | return mChildObject; |
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| 64 | } |
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| 65 | //----------------------------------------------------------------------------- |
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| 66 | void TagPoint::setParentEntity(Entity *pEntity) |
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| 67 | { |
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| 68 | mParentEntity = pEntity; |
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| 69 | } |
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| 70 | //----------------------------------------------------------------------------- |
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| 71 | void TagPoint::setChildObject(MovableObject *pObject) |
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| 72 | { |
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| 73 | mChildObject = pObject; |
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| 74 | } |
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| 75 | //----------------------------------------------------------------------------- |
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| 76 | void TagPoint::setInheritParentEntityOrientation(bool inherit) |
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| 77 | { |
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| 78 | mInheritParentEntityOrientation = inherit; |
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| 79 | needUpdate(); |
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| 80 | } |
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| 81 | //----------------------------------------------------------------------------- |
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| 82 | bool TagPoint::getInheritParentEntityOrientation(void) const |
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| 83 | { |
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| 84 | return mInheritParentEntityOrientation; |
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| 85 | } |
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| 86 | //----------------------------------------------------------------------------- |
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| 87 | void TagPoint::setInheritParentEntityScale(bool inherit) |
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| 88 | { |
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| 89 | mInheritParentEntityScale = inherit; |
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| 90 | needUpdate(); |
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| 91 | } |
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| 92 | //----------------------------------------------------------------------------- |
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| 93 | bool TagPoint::getInheritParentEntityScale(void) const |
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| 94 | { |
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| 95 | return mInheritParentEntityScale; |
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| 96 | } |
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| 97 | //----------------------------------------------------------------------------- |
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| 98 | const Matrix4& TagPoint::_getFullLocalTransform(void) const |
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| 99 | { |
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| 100 | return mFullLocalTransform; |
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| 101 | } |
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| 102 | //----------------------------------------------------------------------------- |
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| 103 | const Matrix4& TagPoint::getParentEntityTransform(void) const |
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| 104 | { |
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| 105 | |
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| 106 | return mParentEntity->_getParentNodeFullTransform(); |
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| 107 | } |
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| 108 | //----------------------------------------------------------------------------- |
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| 109 | void TagPoint::needUpdate(bool forceParentUpdate) |
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| 110 | { |
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| 111 | Bone::needUpdate(forceParentUpdate); |
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| 112 | |
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| 113 | // We need to tell parent entities node |
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| 114 | if (mParentEntity) |
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| 115 | { |
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| 116 | Node* n = mParentEntity->getParentNode(); |
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| 117 | if (n) |
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| 118 | { |
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| 119 | n->needUpdate(); |
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| 120 | } |
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| 121 | |
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| 122 | } |
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| 123 | |
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| 124 | } |
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| 125 | //----------------------------------------------------------------------------- |
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| 126 | void TagPoint::updateFromParentImpl(void) const |
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| 127 | { |
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| 128 | // Call superclass |
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| 129 | Bone::updateFromParentImpl(); |
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| 130 | |
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| 131 | // Save transform for local skeleton |
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| 132 | mFullLocalTransform.makeTransform( |
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| 133 | mDerivedPosition, |
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| 134 | mDerivedScale, |
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| 135 | mDerivedOrientation); |
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| 136 | |
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| 137 | // Include Entity transform |
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| 138 | if (mParentEntity) |
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| 139 | { |
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| 140 | Node* entityParentNode = mParentEntity->getParentNode(); |
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| 141 | if (entityParentNode) |
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| 142 | { |
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| 143 | // Note: orientation/scale inherits from parent node already take care with |
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| 144 | // Bone::_updateFromParent, don't do that with parent entity transform. |
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| 145 | |
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| 146 | // Combine orientation with that of parent entity |
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| 147 | const Quaternion& parentOrientation = entityParentNode->_getDerivedOrientation(); |
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| 148 | if (mInheritParentEntityOrientation) |
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| 149 | { |
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| 150 | mDerivedOrientation = parentOrientation * mDerivedOrientation; |
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| 151 | } |
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| 152 | |
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| 153 | // Incorporate parent entity scale |
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| 154 | const Vector3& parentScale = entityParentNode->_getDerivedScale(); |
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| 155 | if (mInheritParentEntityScale) |
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| 156 | { |
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| 157 | mDerivedScale *= parentScale; |
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| 158 | } |
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| 159 | |
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| 160 | // Change position vector based on parent entity's orientation & scale |
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| 161 | mDerivedPosition = parentOrientation * (parentScale * mDerivedPosition); |
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| 162 | |
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| 163 | // Add altered position vector to parent entity |
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| 164 | mDerivedPosition += entityParentNode->_getDerivedPosition(); |
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| 165 | } |
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| 166 | } |
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| 167 | |
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| 168 | if (mChildObject) |
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| 169 | { |
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| 170 | mChildObject->_notifyMoved(); |
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| 171 | } |
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| 172 | } |
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| 173 | //----------------------------------------------------------------------------- |
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| 174 | const LightList& TagPoint::getLights(void) const |
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| 175 | { |
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| 176 | return mParentEntity->queryLights(); |
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| 177 | } |
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| 178 | |
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| 179 | } |
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