/******************************************************************************
 * Spine Runtimes Software License v2.5
 *
 * Copyright (c) 2013-2016, Esoteric Software
 * All rights reserved.
 *
 * You are granted a perpetual, non-exclusive, non-sublicensable, and
 * non-transferable license to use, install, execute, and perform the Spine
 * Runtimes software and derivative works solely for personal or internal
 * use. Without the written permission of Esoteric Software (see Section 2 of
 * the Spine Software License Agreement), you may not (a) modify, translate,
 * adapt, or develop new applications using the Spine Runtimes or otherwise
 * create derivative works or improvements of the Spine Runtimes or (b) remove,
 * delete, alter, or obscure any trademarks or any copyright, trademark, patent,
 * or other intellectual property or proprietary rights notices on or in the
 * Software, including any copy thereof. Redistributions in binary or source
 * form must include this license and terms.
 *
 * THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "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 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 THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *****************************************************************************/

#ifndef SPINE_SFML_H_
#define SPINE_SFML_H_

#include <spine/spine.h>
#include <SFML/Graphics/Vertex.hpp>
#include <SFML/Graphics/VertexArray.hpp>
#include <SFML/Graphics/Texture.hpp>
#include <SFML/Graphics/RenderTarget.hpp>
#include <SFML/Graphics/RenderStates.hpp>


namespace spine {

class SkeletonDrawable : public sf::Drawable {
public:
	Skeleton *skeleton;
	AnimationState *state;
	float timeScale;
	sf::VertexArray *vertexArray;
	VertexEffect* vertexEffect;

	SkeletonDrawable(SkeletonData *skeleton, AnimationStateData *stateData = 0);

	~SkeletonDrawable();

	void update(float deltaTime);

	virtual void draw(sf::RenderTarget &target, sf::RenderStates states) const;

	void setUsePremultipliedAlpha(bool usePMA) { usePremultipliedAlpha = usePMA; };

	bool getUsePremultipliedAlpha() { return usePremultipliedAlpha; };
private:
	mutable bool ownsAnimationStateData;
	mutable Vector<float> worldVertices;
	mutable Vector<float> tempUvs;
	mutable Vector<Color> tempColors;
	mutable Vector<unsigned short> quadIndices;
	mutable SkeletonClipping clipper;
	mutable bool usePremultipliedAlpha;
};

class SFMLTextureLoader : public TextureLoader {
public:
	virtual void load(AtlasPage &page, const String &path);

	virtual void unload(void *texture);

	String toString() const;
};

} /* namespace spine */
#endif /* SPINE_SFML_H_ */