animation.h

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/* xoreos - A reimplementation of BioWare's Aurora engine
 *
 * xoreos is the legal property of its developers, whose names
 * can be found in the AUTHORS file distributed with this source
 * distribution.
 *
 * xoreos is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version.
 *
 * xoreos is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with xoreos. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef GRAPHICS_AURORA_ANIMATION_H
#define GRAPHICS_AURORA_ANIMATION_H

#include <list>
#include <map>

#include "src/common/ustring.h"
#include "src/common/boundingbox.h"

#include "src/graphics/types.h"
#include "src/graphics/glcontainer.h"
#include "src/graphics/renderable.h"

#include "src/graphics/aurora/types.h"

namespace Common {
    class SeekableReadStream;
}

namespace Graphics {

namespace Aurora {

class AnimNode;

class Animation {
public:
    Animation();
    ~Animation();

    const Common::UString &getName() const;
    void setName(Common::UString &name);

    float getLength() const;
    void setLength(float length);

    void setTransTime(float transtime);

    void update(Model *model, float lastFrame, float nextFrame, const std::vector<ModelNode *> &modelNodeMap);

    // Nodes

    void addAnimNode(AnimNode *node);

    bool hasNode(const Common::UString &node) const;

    ModelNode *getNode(const Common::UString &node);
    const ModelNode *getNode(const Common::UString &node) const;
    const std::list<AnimNode *> &getNodes() const;

protected:
    typedef std::list<AnimNode *> NodeList;
    typedef std::map<Common::UString, AnimNode *, Common::UString::iless> NodeMap;

    NodeList nodeList; 
    NodeMap  nodeMap;  

    NodeList rootNodes; 

    Common::UString _name; 
    float _length;
    float _transtime;

private:
    void interpolatePosition(ModelNode *animNode, ModelNode *target, float time, float scale,
                             bool relative) const;
    void interpolateOrientation(ModelNode *animNode, ModelNode *target, float time) const;

    void updateSkinnedModel(Model *model);
};

} // End of namespace Aurora

} // End of namespace Graphics

#endif // GRAPHICS_AURORA_ANIMATION_H