@esotericsoftware/spine-core
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The official Spine Runtimes for the web.
207 lines • 28.9 kB
JavaScript
/******************************************************************************
* Spine Runtimes License Agreement
* Last updated April 5, 2025. Replaces all prior versions.
*
* Copyright (c) 2013-2025, Esoteric Software LLC
*
* Integration of the Spine Runtimes into software or otherwise creating
* derivative works of the Spine Runtimes is permitted under the terms and
* conditions of Section 2 of the Spine Editor License Agreement:
* http://esotericsoftware.com/spine-editor-license
*
* Otherwise, it is permitted to integrate the Spine Runtimes into software
* or otherwise create derivative works of the Spine Runtimes (collectively,
* "Products"), provided that each user of the Products must obtain their own
* Spine Editor license and redistribution of the Products in any form must
* include this license and copyright notice.
*
* THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "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 LLC 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
* THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
/** Stores the setup pose and all of the stateless data for a skeleton.
*
* See [Data objects](http://esotericsoftware.com/spine-runtime-architecture#Data-objects) in the Spine Runtimes
* Guide. */
export class SkeletonData {
/** The skeleton's name, which by default is the name of the skeleton data file, if possible. May be null. */
name = null;
/** The skeleton's bones, sorted parent first. The root bone is always the first bone. */
bones = new Array(); // Ordered parents first.
/** The skeleton's slots in the setup pose draw order. */
slots = new Array(); // Setup pose draw order.
skins = new Array();
/** The skeleton's default skin. By default this skin contains all attachments that were not in a skin in Spine.
*
* See {@link Skeleton#getAttachmentByName()}.
* May be null. */
defaultSkin = null;
/** The skeleton's events. */
events = new Array();
/** The skeleton's animations. */
animations = new Array();
/** The skeleton's IK constraints. */
ikConstraints = new Array();
/** The skeleton's transform constraints. */
transformConstraints = new Array();
/** The skeleton's path constraints. */
pathConstraints = new Array();
/** The skeleton's physics constraints. */
physicsConstraints = new Array();
/** The X coordinate of the skeleton's axis aligned bounding box in the setup pose. */
x = 0;
/** The Y coordinate of the skeleton's axis aligned bounding box in the setup pose. */
y = 0;
/** The width of the skeleton's axis aligned bounding box in the setup pose. */
width = 0;
/** The height of the skeleton's axis aligned bounding box in the setup pose. */
height = 0;
/** Baseline scale factor for applying distance-dependent effects on non-scalable properties, such as angle or scale. Default
* is 100. */
referenceScale = 100;
/** The Spine version used to export the skeleton data, or null. */
version = null;
/** The skeleton data hash. This value will change if any of the skeleton data has changed. May be null. */
hash = null;
// Nonessential
/** The dopesheet FPS in Spine. Available only when nonessential data was exported. */
fps = 0;
/** The path to the images directory as defined in Spine. Available only when nonessential data was exported. May be null. */
imagesPath = null;
/** The path to the audio directory as defined in Spine. Available only when nonessential data was exported. May be null. */
audioPath = null;
/** Finds a bone by comparing each bone's name. It is more efficient to cache the results of this method than to call it
* multiple times.
* @returns May be null. */
findBone(boneName) {
if (!boneName)
throw new Error("boneName cannot be null.");
let bones = this.bones;
for (let i = 0, n = bones.length; i < n; i++) {
let bone = bones[i];
if (bone.name == boneName)
return bone;
}
return null;
}
/** Finds a slot by comparing each slot's name. It is more efficient to cache the results of this method than to call it
* multiple times.
* @returns May be null. */
findSlot(slotName) {
if (!slotName)
throw new Error("slotName cannot be null.");
let slots = this.slots;
for (let i = 0, n = slots.length; i < n; i++) {
let slot = slots[i];
if (slot.name == slotName)
return slot;
}
return null;
}
/** Finds a skin by comparing each skin's name. It is more efficient to cache the results of this method than to call it
* multiple times.
* @returns May be null. */
findSkin(skinName) {
if (!skinName)
throw new Error("skinName cannot be null.");
let skins = this.skins;
for (let i = 0, n = skins.length; i < n; i++) {
let skin = skins[i];
if (skin.name == skinName)
return skin;
}
return null;
}
/** Finds an event by comparing each events's name. It is more efficient to cache the results of this method than to call it
* multiple times.
* @returns May be null. */
findEvent(eventDataName) {
if (!eventDataName)
throw new Error("eventDataName cannot be null.");
let events = this.events;
for (let i = 0, n = events.length; i < n; i++) {
let event = events[i];
if (event.name == eventDataName)
return event;
}
return null;
}
/** Finds an animation by comparing each animation's name. It is more efficient to cache the results of this method than to
* call it multiple times.
* @returns May be null. */
findAnimation(animationName) {
if (!animationName)
throw new Error("animationName cannot be null.");
let animations = this.animations;
for (let i = 0, n = animations.length; i < n; i++) {
let animation = animations[i];
if (animation.name == animationName)
return animation;
}
return null;
}
/** Finds an IK constraint by comparing each IK constraint's name. It is more efficient to cache the results of this method
* than to call it multiple times.
* @return May be null. */
findIkConstraint(constraintName) {
if (!constraintName)
throw new Error("constraintName cannot be null.");
const ikConstraints = this.ikConstraints;
for (let i = 0, n = ikConstraints.length; i < n; i++) {
const constraint = ikConstraints[i];
if (constraint.name == constraintName)
return constraint;
}
return null;
}
/** Finds a transform constraint by comparing each transform constraint's name. It is more efficient to cache the results of
* this method than to call it multiple times.
* @return May be null. */
findTransformConstraint(constraintName) {
if (!constraintName)
throw new Error("constraintName cannot be null.");
const transformConstraints = this.transformConstraints;
for (let i = 0, n = transformConstraints.length; i < n; i++) {
const constraint = transformConstraints[i];
if (constraint.name == constraintName)
return constraint;
}
return null;
}
/** Finds a path constraint by comparing each path constraint's name. It is more efficient to cache the results of this method
* than to call it multiple times.
* @return May be null. */
findPathConstraint(constraintName) {
if (!constraintName)
throw new Error("constraintName cannot be null.");
const pathConstraints = this.pathConstraints;
for (let i = 0, n = pathConstraints.length; i < n; i++) {
const constraint = pathConstraints[i];
if (constraint.name == constraintName)
return constraint;
}
return null;
}
/** Finds a physics constraint by comparing each physics constraint's name. It is more efficient to cache the results of this method
* than to call it multiple times.
* @return May be null. */
findPhysicsConstraint(constraintName) {
if (!constraintName)
throw new Error("constraintName cannot be null.");
const physicsConstraints = this.physicsConstraints;
for (let i = 0, n = physicsConstraints.length; i < n; i++) {
const constraint = physicsConstraints[i];
if (constraint.name == constraintName)
return constraint;
}
return null;
}
}
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Replaces all prior versions.\n *\n * Copyright (c) 2013-2025, Esoteric Software LLC\n *\n * Integration of the Spine Runtimes into software or otherwise creating\n * derivative works of the Spine Runtimes is permitted under the terms and\n * conditions of Section 2 of the Spine Editor License Agreement:\n * http://esotericsoftware.com/spine-editor-license\n *\n * Otherwise, it is permitted to integrate the Spine Runtimes into software\n * or otherwise create derivative works of the Spine Runtimes (collectively,\n * \"Products\"), provided that each user of the Products must obtain their own\n * Spine Editor license and redistribution of the Products in any form must\n * include this license and copyright notice.\n *\n * THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC \"AS IS\" AND ANY\n * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\n * DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY\n * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\n * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,\n * BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND\n * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF\n * THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n *****************************************************************************/\n\nimport { Animation } from \"./Animation\"\nimport { BoneData } from \"./BoneData.js\";\nimport { EventData } from \"./EventData.js\";\nimport { IkConstraintData } from \"./IkConstraintData.js\";\nimport { PathConstraintData } from \"./PathConstraintData.js\";\nimport { PhysicsConstraintData } from \"./PhysicsConstraintData.js\";\nimport { Skin } from \"./Skin.js\";\nimport { SlotData } from \"./SlotData.js\";\nimport { TransformConstraintData } from \"./TransformConstraintData.js\";\n\n/** Stores the setup pose and all of the stateless data for a skeleton.\n *\n * See [Data objects](http://esotericsoftware.com/spine-runtime-architecture#Data-objects) in the Spine Runtimes\n * Guide. */\nexport class SkeletonData {\n\n\t/** The skeleton's name, which by default is the name of the skeleton data file, if possible. May be null. */\n\tname: string | null = null;\n\n\t/** The skeleton's bones, sorted parent first. The root bone is always the first bone. */\n\tbones = new Array<BoneData>(); // Ordered parents first.\n\n\t/** The skeleton's slots in the setup pose draw order. */\n\tslots = new Array<SlotData>(); // Setup pose draw order.\n\n\tskins = new Array<Skin>();\n\n\t/** The skeleton's default skin. By default this skin contains all attachments that were not in a skin in Spine.\n\t *\n\t * See {@link Skeleton#getAttachmentByName()}.\n\t * May be null. */\n\tdefaultSkin: Skin | null = null;\n\n\t/** The skeleton's events. */\n\tevents = new Array<EventData>();\n\n\t/** The skeleton's animations. */\n\tanimations = new Array<Animation>();\n\n\t/** The skeleton's IK constraints. */\n\tikConstraints = new Array<IkConstraintData>();\n\n\t/** The skeleton's transform constraints. */\n\ttransformConstraints = new Array<TransformConstraintData>();\n\n\t/** The skeleton's path constraints. */\n\tpathConstraints = new Array<PathConstraintData>();\n\n\t/** The skeleton's physics constraints. */\n\tphysicsConstraints = new Array<PhysicsConstraintData>();\n\n\t/** The X coordinate of the skeleton's axis aligned bounding box in the setup pose. */\n\tx: number = 0;\n\n\t/** The Y coordinate of the skeleton's axis aligned bounding box in the setup pose. */\n\ty: number = 0;\n\n\t/** The width of the skeleton's axis aligned bounding box in the setup pose. */\n\twidth: number = 0;\n\n\t/** The height of the skeleton's axis aligned bounding box in the setup pose. */\n\theight: number = 0;\n\n\t/** Baseline scale factor for applying distance-dependent effects on non-scalable properties, such as angle or scale. Default\n\t * is 100. */\n\treferenceScale = 100;\n\n\t/** The Spine version used to export the skeleton data, or null. */\n\tversion: string | null = null;\n\n\t/** The skeleton data hash. This value will change if any of the skeleton data has changed. May be null. */\n\thash: string | null = null;\n\n\t// Nonessential\n\t/** The dopesheet FPS in Spine. Available only when nonessential data was exported. */\n\tfps = 0;\n\n\t/** The path to the images directory as defined in Spine. Available only when nonessential data was exported. May be null. */\n\timagesPath: string | null = null;\n\n\t/** The path to the audio directory as defined in Spine. Available only when nonessential data was exported. May be null. */\n\taudioPath: string | null = null;\n\n\t/** Finds a bone by comparing each bone's name. It is more efficient to cache the results of this method than to call it\n\t * multiple times.\n\t * @returns May be null. */\n\tfindBone (boneName: string) {\n\t\tif (!boneName) throw new Error(\"boneName cannot be null.\");\n\t\tlet bones = this.bones;\n\t\tfor (let i = 0, n = bones.length; i < n; i++) {\n\t\t\tlet bone = bones[i];\n\t\t\tif (bone.name == boneName) return bone;\n\t\t}\n\t\treturn null;\n\t}\n\n\t/** Finds a slot by comparing each slot's name. It is more efficient to cache the results of this method than to call it\n\t * multiple times.\n\t * @returns May be null. */\n\tfindSlot (slotName: string) {\n\t\tif (!slotName) throw new Error(\"slotName cannot be null.\");\n\t\tlet slots = this.slots;\n\t\tfor (let i = 0, n = slots.length; i < n; i++) {\n\t\t\tlet slot = slots[i];\n\t\t\tif (slot.name == slotName) return slot;\n\t\t}\n\t\treturn null;\n\t}\n\n\t/** Finds a skin by comparing each skin's name. It is more efficient to cache the results of this method than to call it\n\t * multiple times.\n\t * @returns May be null. */\n\tfindSkin (skinName: string) {\n\t\tif (!skinName) throw new Error(\"skinName cannot be null.\");\n\t\tlet skins = this.skins;\n\t\tfor (let i = 0, n = skins.length; i < n; i++) {\n\t\t\tlet skin = skins[i];\n\t\t\tif (skin.name == skinName) return skin;\n\t\t}\n\t\treturn null;\n\t}\n\n\t/** Finds an event by comparing each events's name. It is more efficient to cache the results of this method than to call it\n\t * multiple times.\n\t * @returns May be null. */\n\tfindEvent (eventDataName: string) {\n\t\tif (!eventDataName) throw new Error(\"eventDataName cannot be null.\");\n\t\tlet events = this.events;\n\t\tfor (let i = 0, n = events.length; i < n; i++) {\n\t\t\tlet event = events[i];\n\t\t\tif (event.name == eventDataName) return event;\n\t\t}\n\t\treturn null;\n\t}\n\n\t/** Finds an animation by comparing each animation's name. It is more efficient to cache the results of this method than to\n\t * call it multiple times.\n\t * @returns May be null. */\n\tfindAnimation (animationName: string) {\n\t\tif (!animationName) throw new Error(\"animationName cannot be null.\");\n\t\tlet animations = this.animations;\n\t\tfor (let i = 0, n = animations.length; i < n; i++) {\n\t\t\tlet animation = animations[i];\n\t\t\tif (animation.name == animationName) return animation;\n\t\t}\n\t\treturn null;\n\t}\n\n\t/** Finds an IK constraint by comparing each IK constraint's name. It is more efficient to cache the results of this method\n\t * than to call it multiple times.\n\t * @return May be null. */\n\tfindIkConstraint (constraintName: string) {\n\t\tif (!constraintName) throw new Error(\"constraintName cannot be null.\");\n\t\tconst ikConstraints = this.ikConstraints;\n\t\tfor (let i = 0, n = ikConstraints.length; i < n; i++) {\n\t\t\tconst constraint = ikConstraints[i];\n\t\t\tif (constraint.name == constraintName) return constraint;\n\t\t}\n\t\treturn null;\n\t}\n\n\t/** Finds a transform constraint by comparing each transform constraint's name. It is more efficient to cache the results of\n\t * this method than to call it multiple times.\n\t * @return May be null. */\n\tfindTransformConstraint (constraintName: string) {\n\t\tif (!constraintName) throw new Error(\"constraintName cannot be null.\");\n\t\tconst transformConstraints = this.transformConstraints;\n\t\tfor (let i = 0, n = transformConstraints.length; i < n; i++) {\n\t\t\tconst constraint = transformConstraints[i];\n\t\t\tif (constraint.name == constraintName) return constraint;\n\t\t}\n\t\treturn null;\n\t}\n\n\t/** Finds a path constraint by comparing each path constraint's name. It is more efficient to cache the results of this method\n\t * than to call it multiple times.\n\t * @return May be null. */\n\tfindPathConstraint (constraintName: string) {\n\t\tif (!constraintName) throw new Error(\"constraintName cannot be null.\");\n\t\tconst pathConstraints = this.pathConstraints;\n\t\tfor (let i = 0, n = pathConstraints.length; i < n; i++) {\n\t\t\tconst constraint = pathConstraints[i];\n\t\t\tif (constraint.name == constraintName) return constraint;\n\t\t}\n\t\treturn null;\n\t}\n\n\t/** Finds a physics constraint by comparing each physics constraint's name. It is more efficient to cache the results of this method\n\t * than to call it multiple times.\n\t * @return May be null. */\n\tfindPhysicsConstraint (constraintName: string) {\n\t\tif (!constraintName) throw new Error(\"constraintName cannot be null.\");\n\t\tconst physicsConstraints = this.physicsConstraints;\n\t\tfor (let i = 0, n = physicsConstraints.length; i < n; i++) {\n\t\t\tconst constraint = physicsConstraints[i];\n\t\t\tif (constraint.name == constraintName) return constraint;\n\t\t}\n\t\treturn null;\n\t}\n}\n"]}