/******************************************************************************
 * Spine Runtimes License Agreement
 * Last updated April 5, 2025. Replaces all prior versions.
 *
 * Copyright (c) 2013-2025, 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_Slot_h
#define Spine_Slot_h

#include <spine/Posed.h>
#include <spine/SlotData.h>
#include <spine/SlotPose.h>
#include <spine/Array.h>
#include <spine/Color.h>
#include <spine/Update.h>

namespace spine {
	class Bone;
	class Skeleton;
	class Attachment;

	/// Stores a slot's current pose. Slots organize attachments for Skeleton drawOrder purposes and provide a place to store
	/// state for an attachment. State cannot be stored in an attachment itself because attachments are stateless and may be shared
	/// across multiple skeletons.
	class SP_API Slot : public PosedGeneric<SlotData, SlotPose, SlotPose> {
		friend class VertexAttachment;

		friend class Skeleton;

		friend class SkeletonBounds;

		friend class SkeletonClipping;

		friend class SlotCurveTimeline;

		friend class AttachmentTimeline;

		friend class RGBATimeline;

		friend class RGBTimeline;

		friend class AlphaTimeline;

		friend class RGBA2Timeline;

		friend class RGB2Timeline;

		friend class DeformTimeline;

		friend class DrawOrderTimeline;

		friend class EventTimeline;

		friend class IkConstraintTimeline;

		friend class PathConstraintMixTimeline;

		friend class PathConstraintPositionTimeline;

		friend class PathConstraintSpacingTimeline;

		friend class ScaleTimeline;

		friend class ShearTimeline;

		friend class TransformConstraintTimeline;

		friend class TranslateTimeline;

		friend class TwoColorTimeline;

		friend class AnimationState;

	public:
		Slot(SlotData &data, Skeleton &skeleton);

		/// The bone this slot belongs to.
		Bone &getBone();

		void setupPose() override;

	private:
		Skeleton &_skeleton;
		Bone &_bone;
		int _attachmentState;
	};
}

#endif /* Spine_Slot_h */