/******************************************************************************
 * Spine Runtimes Software License
 * Version 2
 * 
 * Copyright (c) 2013, Esoteric Software
 * All rights reserved.
 * 
 * You are granted a perpetual, non-exclusive, non-sublicensable and
 * non-transferable license to install, execute and perform the Spine Runtimes
 * Software (the "Software") solely for internal use. Without the written
 * permission of Esoteric Software, you may not (a) modify, translate, adapt or
 * otherwise create derivative works, improvements of the Software or develop
 * new applications using the Software 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 SOFTARE 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;
	}
}