/******************************************************************************
 * 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.
 *****************************************************************************/

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

typedef struct {
	spSlot super;
	float attachmentTime;
} _spSlot;

spSlot* spSlot_create (spSlotData* data, spBone* bone) {
	spSlot* self = SUPER(NEW(_spSlot));
	CONST_CAST(spSlotData*, self->data) = data;
	CONST_CAST(spBone*, self->bone) = bone;
	spColor_setFromFloats(&self->color, 1, 1, 1, 1);
	self->darkColor = data->darkColor == 0 ? 0 : spColor_create();
	spSlot_setToSetupPose(self);
	return self;
}

void spSlot_dispose (spSlot* self) {
	FREE(self->attachmentVertices);
	FREE(self->darkColor);
	FREE(self);
}

void spSlot_setAttachment (spSlot* self, spAttachment* attachment) {
	if (attachment == self->attachment) return;
	CONST_CAST(spAttachment*, self->attachment) = attachment;
	SUB_CAST(_spSlot, self)->attachmentTime = self->bone->skeleton->time;
	self->attachmentVerticesCount = 0;
}

void spSlot_setAttachmentTime (spSlot* self, float time) {
	SUB_CAST(_spSlot, self)->attachmentTime = self->bone->skeleton->time - time;
}

float spSlot_getAttachmentTime (const spSlot* self) {
	return self->bone->skeleton->time - SUB_CAST(_spSlot, self) ->attachmentTime;
}

void spSlot_setToSetupPose (spSlot* self) {
	spColor_setFromColor(&self->color, &self->data->color);
	if (self->darkColor) spColor_setFromColor(self->darkColor, self->data->darkColor);

	if (!self->data->attachmentName)
		spSlot_setAttachment(self, 0);
	else {
		spAttachment* attachment = spSkeleton_getAttachmentForSlotIndex(
				self->bone->skeleton, self->data->index, self->data->attachmentName);
		CONST_CAST(spAttachment*, self->attachment) = 0;
		spSlot_setAttachment(self, attachment);
	}
}