/******************************************************************************
 * 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_SFML_H_
#define SPINE_SFML_H_

#include <spine/spine.h>
#include <spine/extension.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>

_SP_ARRAY_DECLARE_TYPE(spColorArray, spColor)

namespace spine {

class SkeletonDrawable: public sf::Drawable {
public:
	spSkeleton* skeleton;
	spAnimationState* state;
	float timeScale;
	sf::VertexArray* vertexArray;
	spVertexEffect* vertexEffect;

	SkeletonDrawable (spSkeletonData* skeleton, spAnimationStateData* 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:
	bool ownsAnimationStateData;
	float* worldVertices;
	spFloatArray* tempUvs;
	spColorArray* tempColors;
	spSkeletonClipping* clipper;
	bool usePremultipliedAlpha;
};

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