/******************************************************************************
 * Spine Runtimes License Agreement
 * Last updated January 1, 2020. Replaces all prior versions.
 *
 * Copyright (c) 2013-2020, Esoteric Software LLC
 *
 * Integration of the Spine Runtimes into software or otherwise creating
 * derivative works of the Spine Runtimes is permitted under the terms and
 * conditions of Section 2 of the Spine Editor License Agreement:
 * http://esotericsoftware.com/spine-editor-license
 *
 * Otherwise, it is permitted to integrate the Spine Runtimes into software
 * or otherwise create derivative works of the Spine Runtimes (collectively,
 * "Products"), provided that each user of the Products must obtain their own
 * Spine Editor license and redistribution of the Products in any form must
 * include this license and copyright notice.
 *
 * THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
 * BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *****************************************************************************/

#ifndef SPINE_SKELETONANIMATION_H_
#define SPINE_SKELETONANIMATION_H_

#include <spine/spine.h>
#include <spine/spine-cocos2dx.h>
#include "cocos2d.h"

namespace spine {

class SkeletonAnimation;

typedef std::function<void(TrackEntry* entry)> StartListener;
typedef std::function<void(TrackEntry* entry)> InterruptListener;
typedef std::function<void(TrackEntry* entry)> EndListener;
typedef std::function<void(TrackEntry* entry)> DisposeListener;
typedef std::function<void(TrackEntry* entry)> CompleteListener;
typedef std::function<void(TrackEntry* entry, Event* event)> EventListener;
typedef std::function<void(SkeletonAnimation* node)> UpdateWorldTransformsListener;

/** Draws an animated skeleton, providing an AnimationState for applying one or more animations and queuing animations to be
  * played later. */
class SP_API SkeletonAnimation: public SkeletonRenderer {
public:
	CREATE_FUNC(SkeletonAnimation);
	static SkeletonAnimation* createWithData (SkeletonData* skeletonData, bool ownsSkeletonData = false);
	static SkeletonAnimation* createWithJsonFile (const std::string& skeletonJsonFile, Atlas* atlas, float scale = 1);
	static SkeletonAnimation* createWithJsonFile (const std::string& skeletonJsonFile, const std::string& atlasFile, float scale = 1);
	static SkeletonAnimation* createWithBinaryFile (const std::string& skeletonBinaryFile, Atlas* atlas, float scale = 1);
	static SkeletonAnimation* createWithBinaryFile (const std::string& skeletonBinaryFile, const std::string& atlasFile, float scale = 1);

	// Use createWithJsonFile instead
	CC_DEPRECATED_ATTRIBUTE static SkeletonAnimation* createWithFile (const std::string& skeletonJsonFile, Atlas* atlas, float scale = 1)
	{
		return SkeletonAnimation::createWithJsonFile(skeletonJsonFile, atlas, scale);
	}
	// Use createWithJsonFile instead
	CC_DEPRECATED_ATTRIBUTE static SkeletonAnimation* createWithFile (const std::string& skeletonJsonFile, const std::string& atlasFile, float scale = 1)
	{
		return SkeletonAnimation::createWithJsonFile(skeletonJsonFile, atlasFile, scale);
	}

	virtual void update (float deltaTime) override;
	virtual void draw (cocos2d::Renderer* renderer, const cocos2d::Mat4& transform, uint32_t transformFlags) override;

	void setAnimationStateData (AnimationStateData* stateData);
	void setMix (const std::string& fromAnimation, const std::string& toAnimation, float duration);

	TrackEntry* setAnimation (int trackIndex, const std::string& name, bool loop);
	TrackEntry* addAnimation (int trackIndex, const std::string& name, bool loop, float delay = 0);
	TrackEntry* setEmptyAnimation (int trackIndex, float mixDuration);
	void setEmptyAnimations (float mixDuration);
	TrackEntry* addEmptyAnimation (int trackIndex, float mixDuration, float delay = 0);
	Animation* findAnimation(const std::string& name) const;
	TrackEntry* getCurrent (int trackIndex = 0);
	void clearTracks ();
	void clearTrack (int trackIndex = 0);

	void setStartListener (const StartListener& listener);
	void setInterruptListener (const InterruptListener& listener);
	void setEndListener (const EndListener& listener);
	void setDisposeListener (const DisposeListener& listener);
	void setCompleteListener (const CompleteListener& listener);
	void setEventListener (const EventListener& listener);
	void setPreUpdateWorldTransformsListener(const UpdateWorldTransformsListener& listener);
	void setPostUpdateWorldTransformsListener(const UpdateWorldTransformsListener& listener);

	void setTrackStartListener (TrackEntry* entry, const StartListener& listener);
	void setTrackInterruptListener (TrackEntry* entry, const InterruptListener& listener);
	void setTrackEndListener (TrackEntry* entry, const EndListener& listener);
	void setTrackDisposeListener (TrackEntry* entry, const DisposeListener& listener);
	void setTrackCompleteListener (TrackEntry* entry, const CompleteListener& listener);
	void setTrackEventListener (TrackEntry* entry, const EventListener& listener);

	virtual void onAnimationStateEvent (TrackEntry* entry, EventType type, Event* event);
	virtual void onTrackEntryEvent (TrackEntry* entry, EventType type, Event* event);

	AnimationState* getState() const;
	void setUpdateOnlyIfVisible(bool status);

CC_CONSTRUCTOR_ACCESS:
	SkeletonAnimation ();
	virtual ~SkeletonAnimation ();
	virtual void initialize () override;

protected:
	AnimationState* _state;

	bool _ownsAnimationStateData;
	bool _updateOnlyIfVisible;
	bool _firstDraw;

	StartListener _startListener;
	InterruptListener _interruptListener;
	EndListener _endListener;
	DisposeListener _disposeListener;
	CompleteListener _completeListener;
	EventListener _eventListener;
	UpdateWorldTransformsListener _preUpdateListener;
	UpdateWorldTransformsListener _postUpdateListener;

private:
	typedef SkeletonRenderer super;
};

}

#endif /* SPINE_SKELETONANIMATION_H_ */