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https://github.com/EsotericSoftware/spine-runtimes.git
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77 lines
3.5 KiB
TypeScript
77 lines
3.5 KiB
TypeScript
/******************************************************************************
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* Spine Runtimes License Agreement
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* Last updated May 1, 2019. Replaces all prior versions.
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*
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* Copyright (c) 2013-2019, 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
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* or 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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* THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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* NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS
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* INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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module spine {
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/** Stores mix (crossfade) durations to be applied when {@link AnimationState} animations are changed. */
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export class AnimationStateData {
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/** The SkeletonData to look up animations when they are specified by name. */
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skeletonData: SkeletonData;
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animationToMixTime: Map<number> = { };
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/** The mix duration to use when no mix duration has been defined between two animations. */
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defaultMix = 0;
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constructor (skeletonData: SkeletonData) {
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if (skeletonData == null) throw new Error("skeletonData cannot be null.");
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this.skeletonData = skeletonData;
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}
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/** Sets a mix duration by animation name.
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*
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* See {@link #setMixWith()}. */
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setMix (fromName: string, toName: string, duration: number) {
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let from = this.skeletonData.findAnimation(fromName);
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if (from == null) throw new Error("Animation not found: " + fromName);
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let to = this.skeletonData.findAnimation(toName);
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if (to == null) throw new Error("Animation not found: " + toName);
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this.setMixWith(from, to, duration);
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}
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/** Sets the mix duration when changing from the specified animation to the other.
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*
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* See {@link TrackEntry#mixDuration}. */
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setMixWith (from: Animation, to: Animation, duration: number) {
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if (from == null) throw new Error("from cannot be null.");
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if (to == null) throw new Error("to cannot be null.");
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let key = from.name + "." + to.name;
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this.animationToMixTime[key] = duration;
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}
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/** Returns the mix duration to use when changing from the specified animation to the other, or the {@link #defaultMix} if
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* no mix duration has been set. */
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getMix (from: Animation, to: Animation) {
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let key = from.name + "." + to.name;
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let value = this.animationToMixTime[key];
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return value === undefined ? this.defaultMix : value;
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}
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}
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}
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