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animhandler.h

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00001 /* ResidualVM - A 3D game interpreter
00002  *
00003  * ResidualVM is the legal property of its developers, whose names
00004  * are too numerous to list here. Please refer to the AUTHORS
00005  * file distributed with this source distribution.
00006  *
00007  * This program is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU General Public License
00009  * as published by the Free Software Foundation; either version 2
00010  * of the License, or (at your option) any later version.
00011  *
00012  * This program is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00020  *
00021  */
00022 
00023 #ifndef STARK_MODEL_ANIM_HANDLER_H
00024 #define STARK_MODEL_ANIM_HANDLER_H
00025 
00026 #include "common/scummsys.h"
00027 
00028 namespace Stark {
00029 
00030 class Model;
00031 class BoneNode;
00032 class SkeletonAnim;
00033 
00037 class AnimHandler {
00038 public:
00039     AnimHandler();
00040     ~AnimHandler();
00041 
00045     void animate(uint32 time);
00046 
00048     void setModel(Model *model);
00049 
00051     void setAnim(SkeletonAnim *anim);
00052 
00054     void resetBlending();
00055 
00056 private:
00057     void enactCandidate();
00058     void startBlending();
00059     void updateBlending(int32 deltaTime);
00060     void stopBlending();
00061 
00062     void setNode(uint32 time, BoneNode *bone, const BoneNode *parent);
00063 
00064     static const uint32 _blendDuration = 300; // ms
00065 
00066     SkeletonAnim *_anim;
00067     int32 _animTime;
00068 
00069     int32 _framesBeforeCandidateReady;
00070     SkeletonAnim *_candidateAnim;
00071     int32 _candidateAnimTime;
00072 
00073     SkeletonAnim *_blendAnim;
00074     int32 _blendAnimTime;
00075     int32 _blendTimeRemaining;
00076 
00077     Model *_model;
00078 };
00079 
00080 } // End of namespace Stark
00081 
00082 #endif // STARK_MODEL_ANIM_HANDLER_H


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