/******************************************************************************
 * 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_VERTEXEFFECT_H_
#define SPINE_VERTEXEFFECT_H_

#include <spine/dll.h>
#include <spine/Skeleton.h>
#include <spine/Color.h>

#ifdef __cplusplus
extern "C" {
#endif

struct spVertexEffect;

typedef void (*spVertexEffectBegin)(struct spVertexEffect *self, spSkeleton *skeleton);

typedef void (*spVertexEffectTransform)(struct spVertexEffect *self, float *x, float *y, float *u, float *v,
										spColor *light, spColor *dark);

typedef void (*spVertexEffectEnd)(struct spVertexEffect *self);

typedef struct spVertexEffect {
	spVertexEffectBegin begin;
	spVertexEffectTransform transform;
	spVertexEffectEnd end;
} spVertexEffect;

typedef struct spJitterVertexEffect {
	spVertexEffect super;
	float jitterX;
	float jitterY;
} spJitterVertexEffect;

typedef struct spSwirlVertexEffect {
	spVertexEffect super;
	float centerX;
	float centerY;
	float radius;
	float angle;
	float worldX;
	float worldY;
} spSwirlVertexEffect;

SP_API spJitterVertexEffect *spJitterVertexEffect_create(float jitterX, float jitterY);

SP_API void spJitterVertexEffect_dispose(spJitterVertexEffect *effect);

SP_API spSwirlVertexEffect *spSwirlVertexEffect_create(float radius);

SP_API void spSwirlVertexEffect_dispose(spSwirlVertexEffect *effect);

#ifdef __cplusplus
}
#endif

#endif /* SPINE_VERTEX_EFFECT_H_ */