mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
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90 lines
3.4 KiB
Haxe
90 lines
3.4 KiB
Haxe
/******************************************************************************
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* Spine Runtimes License Agreement
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* Last updated July 28, 2023. Replaces all prior versions.
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*
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* Copyright (c) 2013-2023, Esoteric Software LLC
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*
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* Integration of the Spine Runtimes into software or otherwise creating
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* derivative works of the Spine Runtimes is permitted under the terms and
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* conditions of Section 2 of the Spine Editor License Agreement:
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* http://esotericsoftware.com/spine-editor-license
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*
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* Otherwise, it is permitted to integrate the Spine Runtimes into software or
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* otherwise create derivative works of the Spine Runtimes (collectively,
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* "Products"), provided that each user of the Products must obtain their own
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* Spine Editor license and redistribution of the Products in any form must
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* include this license and copyright notice.
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*
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* THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
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* BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THE
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* SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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package spine.animation;
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import spine.Event;
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import spine.Skeleton;
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import spine.Slot;
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class AttachmentTimeline extends Timeline implements SlotTimeline {
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public var slotIndex:Int = 0;
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/** The attachment name for each key frame. May contain null values to clear the attachment. */
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public var attachmentNames:Array<String>;
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public function new(frameCount:Int, slotIndex:Int) {
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super(frameCount, [Property.attachment + "|" + slotIndex]);
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this.slotIndex = slotIndex;
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attachmentNames = new Array<String>();
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attachmentNames.resize(frameCount);
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}
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public override function getFrameCount():Int {
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return frames.length;
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}
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public function getSlotIndex():Int {
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return slotIndex;
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}
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/** Sets the time in seconds and the attachment name for the specified key frame. */
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public function setFrame(frame:Int, time:Float, attachmentName:String):Void {
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frames[frame] = time;
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attachmentNames[frame] = attachmentName;
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}
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public override function apply(skeleton:Skeleton, lastTime:Float, time:Float, events:Array<Event>, alpha:Float, blend:MixBlend,
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direction:MixDirection):Void {
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var slot:Slot = skeleton.slots[slotIndex];
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if (!slot.bone.active)
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return;
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if (direction == MixDirection.mixOut) {
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if (blend == MixBlend.setup) {
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setAttachment(skeleton, slot, slot.data.attachmentName);
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}
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return;
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}
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if (time < frames[0]) {
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if (blend == MixBlend.setup || blend == MixBlend.first) {
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setAttachment(skeleton, slot, slot.data.attachmentName);
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}
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return;
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}
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setAttachment(skeleton, slot, attachmentNames[Timeline.search1(frames, time)]);
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}
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private function setAttachment(skeleton:Skeleton, slot:Slot, attachmentName:String):Void {
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slot.attachment = attachmentName == null ? null : skeleton.getAttachmentForSlotIndex(slotIndex, attachmentName);
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}
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}
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