/******************************************************************************
 * Spine Runtime Software License - Version 1.1
 * 
 * Copyright (c) 2013, Esoteric Software
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms in whole or in part, with
 * or without modification, are permitted provided that the following conditions
 * are met:
 * 
 * 1. A Spine Essential, Professional, Enterprise, or Education License must
 *    be purchased from Esoteric Software and the license must remain valid:
 *    http://esotericsoftware.com/
 * 2. Redistributions of source code must retain this license, which is the
 *    above copyright notice, this declaration of conditions and the following
 *    disclaimer.
 * 3. Redistributions in binary form must reproduce this license, which is the
 *    above copyright notice, this declaration of conditions and the following
 *    disclaimer, in the documentation and/or other materials provided with the
 *    distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 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.
 *****************************************************************************/

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

void _spBoundingBoxAttachment_dispose (spAttachment* attachment) {
	spBoundingBoxAttachment* self = SUB_CAST(spBoundingBoxAttachment, attachment);

	_spAttachment_deinit(attachment);

	FREE(self->vertices);
	FREE(self);
}

spBoundingBoxAttachment* spBoundingBoxAttachment_create (const char* name) {
	spBoundingBoxAttachment* self = NEW(spBoundingBoxAttachment);
	_spAttachment_init(SUPER(self), name, ATTACHMENT_BOUNDING_BOX, _spBoundingBoxAttachment_dispose);
	return self;
}

void spBoundingBoxAttachment_computeWorldVertices (spBoundingBoxAttachment* self, float x, float y, spBone* bone, float* worldVertices) {
	int i;
	float px, py;
	float* vertices = self->vertices;

	x += bone->worldX;
	y += bone->worldY;
	for (i = 0; i < self->verticesCount; i += 2) {
		px = vertices[i];
		py = vertices[i + 1];
		worldVertices[i] = px * bone->m00 + py * bone->m01 + x;
		worldVertices[i + 1] = px * bone->m10 + py * bone->m11 + y;
	}
}