OgreAnimationState.h

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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) 2000-2009 Torus Knot Software Ltd
00008 
00009 Permission is hereby granted, free of charge, to any person obtaining a copy
00010 of this software and associated documentation files (the "Software"), to deal
00011 in the Software without restriction, including without limitation the rights
00012 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00013 copies of the Software, and to permit persons to whom the Software is
00014 furnished to do so, subject to the following conditions:
00015 
00016 The above copyright notice and this permission notice shall be included in
00017 all copies or substantial portions of the Software.
00018 
00019 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00020 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00021 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00022 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00023 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00024 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00025 THE SOFTWARE.
00026 -----------------------------------------------------------------------------
00027 */
00028 
00029 #ifndef __AnimationSet_H__
00030 #define __AnimationSet_H__
00031 
00032 #include "OgrePrerequisites.h"
00033 
00034 #include "OgreString.h"
00035 #include "OgreController.h"
00036 #include "OgreIteratorWrappers.h"
00037 
00038 namespace Ogre {
00039 
00052     class _OgreExport AnimationState : public AnimationAlloc
00053     {
00054     public:
00055 
00057       typedef vector<float>::type BoneBlendMask;
00058 
00060         AnimationState(const String& animName, AnimationStateSet *parent, 
00061             Real timePos, Real length, Real weight = 1.0, bool enabled = false);
00063         AnimationState(AnimationStateSet* parent, const AnimationState &rhs);
00067         virtual ~AnimationState();
00068         
00070         const String& getAnimationName() const;
00072         Real getTimePosition(void) const;
00074         void setTimePosition(Real timePos);
00076         Real getLength() const;
00078         void setLength(Real len);
00080         Real getWeight(void) const;
00082         void setWeight(Real weight);
00087         void addTime(Real offset);
00088 
00090         bool hasEnded(void) const;
00091 
00093         bool getEnabled(void) const;
00095         void setEnabled(bool enabled);
00096 
00098         bool operator==(const AnimationState& rhs) const;
00099         // Inequality operator
00100         bool operator!=(const AnimationState& rhs) const;
00101 
00105         void setLoop(bool loop) { mLoop = loop; }
00107         bool getLoop(void) const { return mLoop; }
00108      
00113         void copyStateFrom(const AnimationState& animState);
00114 
00116         AnimationStateSet* getParent(void) const { return mParent; }
00117 
00128       void createBlendMask(size_t blendMaskSizeHint, float initialWeight = 1.0f);
00130       void destroyBlendMask();
00138       void _setBlendMaskData(const float* blendMaskData);
00146       void _setBlendMask(const BoneBlendMask* blendMask);
00148       const BoneBlendMask* getBlendMask() const {return mBlendMask;}
00150       bool hasBlendMask() const {return mBlendMask != 0;}
00152       void setBlendMaskEntry(size_t boneHandle, float weight);
00154       inline float getBlendMaskEntry(size_t boneHandle) const
00155       {
00156         assert(mBlendMask && mBlendMask->size() > boneHandle);
00157         return (*mBlendMask)[boneHandle];
00158       }
00159     protected:
00161       BoneBlendMask* mBlendMask;
00162 
00163         String mAnimationName;
00164         AnimationStateSet* mParent;
00165         Real mTimePos;
00166         Real mLength;
00167         Real mWeight;
00168         bool mEnabled;
00169         bool mLoop;
00170 
00171     };
00172 
00173     // A map of animation states
00174     typedef map<String, AnimationState*>::type AnimationStateMap;
00175     typedef MapIterator<AnimationStateMap> AnimationStateIterator;
00176     typedef ConstMapIterator<AnimationStateMap> ConstAnimationStateIterator;
00177     // A list of enabled animation states
00178     typedef list<AnimationState*>::type EnabledAnimationStateList;
00179     typedef ConstVectorIterator<EnabledAnimationStateList> ConstEnabledAnimationStateIterator;
00180 
00183     class _OgreExport AnimationStateSet : public AnimationAlloc
00184     {
00185     public:
00187         OGRE_AUTO_MUTEX
00189         AnimationStateSet();
00191         AnimationStateSet(const AnimationStateSet& rhs);
00192 
00193         ~AnimationStateSet();
00194 
00202         AnimationState* createAnimationState(const String& animName,  
00203             Real timePos, Real length, Real weight = 1.0, bool enabled = false);
00205         AnimationState* getAnimationState(const String& name) const;
00207         bool hasAnimationState(const String& name) const;
00209         void removeAnimationState(const String& name);
00211         void removeAllAnimationStates(void);
00212 
00219         AnimationStateIterator getAnimationStateIterator(void);
00226         ConstAnimationStateIterator getAnimationStateIterator(void) const;
00228         void copyMatchingState(AnimationStateSet* target) const;
00230         void _notifyDirty(void);
00232         unsigned long getDirtyFrameNumber(void) const { return mDirtyFrameNumber; }
00233 
00235         void _notifyAnimationStateEnabled(AnimationState* target, bool enabled);
00237         bool hasEnabledAnimationState(void) const { return !mEnabledAnimationStates.empty(); }
00244         ConstEnabledAnimationStateIterator getEnabledAnimationStateIterator(void) const;
00245 
00246     protected:
00247         unsigned long mDirtyFrameNumber;
00248         AnimationStateMap mAnimationStates;
00249         EnabledAnimationStateList mEnabledAnimationStates;
00250 
00251     };
00252 
00261     class _OgreExport AnimationStateControllerValue : public ControllerValue<Real>
00262     {
00263     protected:
00264         AnimationState* mTargetAnimationState;
00265     public:
00267         AnimationStateControllerValue(AnimationState* targetAnimationState)
00268             : mTargetAnimationState(targetAnimationState) {}
00270         ~AnimationStateControllerValue() {}
00272         Real getValue(void) const;
00273 
00275         void setValue(Real value);
00276 
00277     };
00278 
00281 }
00282 
00283 #endif
00284 

Copyright © 2008 Torus Knot Software Ltd
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This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Wed Nov 3 2010 19:24:51