00001 /* 00002 ----------------------------------------------------------------------------- 00003 This source file is part of OGRE 00004 (Object-oriented Graphics Rendering Engine) 00005 For the latest info, see http://www.ogre3d.org/ 00006 00007 Copyright (c) 2000-2006 Torus Knot Software Ltd 00008 Also see acknowledgements in Readme.html 00009 00010 This program is free software; you can redistribute it and/or modify it under 00011 the terms of the GNU Lesser General Public License as published by the Free Software 00012 Foundation; either version 2 of the License, or (at your option) any later 00013 version. 00014 00015 This program is distributed in the hope that it will be useful, but WITHOUT 00016 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 00017 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. 00018 00019 You should have received a copy of the GNU Lesser General Public License along with 00020 this program; if not, write to the Free Software Foundation, Inc., 59 Temple 00021 Place - Suite 330, Boston, MA 02111-1307, USA, or go to 00022 http://www.gnu.org/copyleft/lesser.txt. 00023 00024 You may alternatively use this source under the terms of a specific version of 00025 the OGRE Unrestricted License provided you have obtained such a license from 00026 Torus Knot Software Ltd. 00027 ----------------------------------------------------------------------------- 00028 */ 00029 #ifndef _Node_H__ 00030 #define _Node_H__ 00031 00032 #include "OgrePrerequisites.h" 00033 00034 #include "OgreMatrix3.h" 00035 #include "OgreMatrix4.h" 00036 #include "OgreQuaternion.h" 00037 #include "OgreString.h" 00038 #include "OgreRenderable.h" 00039 #include "OgreIteratorWrappers.h" 00040 00041 namespace Ogre { 00042 00043 00054 class _OgreExport Node : public Renderable, public NodeAlloc 00055 { 00056 public: 00059 enum TransformSpace 00060 { 00062 TS_LOCAL, 00064 TS_PARENT, 00066 TS_WORLD 00067 }; 00068 typedef HashMap<String, Node*> ChildNodeMap; 00069 typedef MapIterator<ChildNodeMap> ChildNodeIterator; 00070 typedef ConstMapIterator<ChildNodeMap> ConstChildNodeIterator; 00071 00074 class _OgreExport Listener 00075 { 00076 public: 00077 Listener() {} 00078 virtual ~Listener() {} 00086 virtual void nodeUpdated(const Node*) {} 00088 virtual void nodeDestroyed(const Node*) {}; 00090 virtual void nodeAttached(const Node*) {}; 00092 virtual void nodeDetached(const Node*) {}; 00093 }; 00094 00095 protected: 00097 Node* mParent; 00099 ChildNodeMap mChildren; 00100 00101 typedef std::set<Node*> ChildUpdateSet; 00103 mutable ChildUpdateSet mChildrenToUpdate; 00105 mutable bool mNeedParentUpdate; 00107 mutable bool mNeedChildUpdate; 00109 mutable bool mParentNotified ; 00111 mutable bool mQueuedForUpdate; 00112 00114 String mName; 00115 00117 static unsigned long msNextGeneratedNameExt; 00118 00120 Quaternion mOrientation; 00121 00123 Vector3 mPosition; 00124 00126 Vector3 mScale; 00127 00129 bool mInheritOrientation; 00130 00132 bool mInheritScale; 00133 00135 mutable MaterialPtr mpMaterial; 00136 00138 virtual void setParent(Node* parent); 00139 00147 mutable Quaternion mDerivedOrientation; 00148 00156 mutable Vector3 mDerivedPosition; 00157 00165 mutable Vector3 mDerivedScale; 00166 00173 virtual void _updateFromParent(void) const; 00174 00181 virtual void updateFromParentImpl(void) const; 00182 00183 00185 virtual Node* createChildImpl(void) = 0; 00186 00188 virtual Node* createChildImpl(const String& name) = 0; 00189 00191 Vector3 mInitialPosition; 00193 Quaternion mInitialOrientation; 00195 Vector3 mInitialScale; 00196 00198 mutable Matrix4 mCachedTransform; 00199 mutable bool mCachedTransformOutOfDate; 00200 00202 Listener* mListener; 00203 00204 typedef std::vector<Node*> QueuedUpdates; 00205 static QueuedUpdates msQueuedUpdates; 00206 00207 00208 public: 00213 Node(); 00218 Node(const String& name); 00219 00220 virtual ~Node(); 00221 00223 const String& getName(void) const; 00224 00227 virtual Node* getParent(void) const; 00228 00231 virtual const Quaternion & getOrientation() const; 00232 00246 virtual void setOrientation( const Quaternion& q ); 00247 00261 virtual void setOrientation( Real w, Real x, Real y, Real z); 00262 00276 virtual void resetOrientation(void); 00277 00280 virtual void setPosition(const Vector3& pos); 00281 00284 virtual void setPosition(Real x, Real y, Real z); 00285 00288 virtual const Vector3 & getPosition(void) const; 00289 00302 virtual void setScale(const Vector3& scale); 00303 00316 virtual void setScale(Real x, Real y, Real z); 00317 00320 virtual const Vector3 & getScale(void) const; 00321 00335 virtual void setInheritOrientation(bool inherit); 00336 00350 virtual bool getInheritOrientation(void) const; 00351 00364 virtual void setInheritScale(bool inherit); 00365 00370 virtual bool getInheritScale(void) const; 00371 00381 virtual void scale(const Vector3& scale); 00382 00392 virtual void scale(Real x, Real y, Real z); 00393 00403 virtual void translate(const Vector3& d, TransformSpace relativeTo = TS_PARENT); 00417 virtual void translate(Real x, Real y, Real z, TransformSpace relativeTo = TS_PARENT); 00437 virtual void translate(const Matrix3& axes, const Vector3& move, TransformSpace relativeTo = TS_PARENT); 00457 virtual void translate(const Matrix3& axes, Real x, Real y, Real z, TransformSpace relativeTo = TS_PARENT); 00458 00461 virtual void roll(const Radian& angle, TransformSpace relativeTo = TS_LOCAL); 00462 00465 virtual void pitch(const Radian& angle, TransformSpace relativeTo = TS_LOCAL); 00466 00469 virtual void yaw(const Radian& angle, TransformSpace relativeTo = TS_LOCAL); 00470 00473 virtual void rotate(const Vector3& axis, const Radian& angle, TransformSpace relativeTo = TS_LOCAL); 00474 00477 virtual void rotate(const Quaternion& q, TransformSpace relativeTo = TS_LOCAL); 00478 00481 virtual Matrix3 getLocalAxes(void) const; 00482 00489 virtual Node* createChild( 00490 const Vector3& translate = Vector3::ZERO, 00491 const Quaternion& rotate = Quaternion::IDENTITY ); 00492 00502 virtual Node* createChild(const String& name, const Vector3& translate = Vector3::ZERO, const Quaternion& rotate = Quaternion::IDENTITY); 00503 00508 virtual void addChild(Node* child); 00509 00512 virtual unsigned short numChildren(void) const; 00513 00518 virtual Node* getChild(unsigned short index) const; 00519 00522 virtual Node* getChild(const String& name) const; 00523 00534 virtual ChildNodeIterator getChildIterator(void); 00535 00546 virtual ConstChildNodeIterator getChildIterator(void) const; 00547 00555 virtual Node* removeChild(unsigned short index); 00563 virtual Node* removeChild(Node* child); 00564 00570 virtual Node* removeChild(const String& name); 00574 virtual void removeAllChildren(void); 00575 00578 virtual const Quaternion & _getDerivedOrientation(void) const; 00579 00582 virtual const Vector3 & _getDerivedPosition(void) const; 00583 00586 virtual const Vector3 & _getDerivedScale(void) const; 00587 00597 virtual const Matrix4& _getFullTransform(void) const; 00598 00611 virtual void _update(bool updateChildren, bool parentHasChanged); 00612 00618 virtual void setListener(Listener* listener) { mListener = listener; } 00619 00622 virtual Listener* getListener(void) const { return mListener; } 00623 00630 const MaterialPtr& getMaterial(void) const; 00637 void getRenderOperation(RenderOperation& op); 00644 void getWorldTransforms(Matrix4* xform) const; 00645 00656 virtual void setInitialState(void); 00657 00659 virtual void resetToInitialState(void); 00660 00665 virtual const Vector3& getInitialPosition(void) const; 00666 00668 virtual const Quaternion& getInitialOrientation(void) const; 00669 00671 virtual const Vector3& getInitialScale(void) const; 00672 00674 Real getSquaredViewDepth(const Camera* cam) const; 00675 00683 virtual void needUpdate(bool forceParentUpdate = false); 00688 virtual void requestUpdate(Node* child, bool forceParentUpdate = false); 00690 virtual void cancelUpdate(Node* child); 00691 00699 static void queueNeedUpdate(Node* n); 00701 static void processQueuedUpdates(void); 00702 00704 const LightList& getLights(void) const; 00705 00706 00707 00708 }; 00709 00710 } //namespace 00711 00712 #endif
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Last modified Sun Sep 27 22:02:24 2009