@pixi-spine/runtime-3.8/lib/core/Skin.mjs

Pixi runtime for spine 3.8 models

import './attachments/Attachment.mjs';
import '@pixi-spine/base';
import { MeshAttachment } from './attachments/MeshAttachment.mjs';
import './attachments/RegionAttachment.mjs';

class SkinEntry {
  constructor(slotIndex, name, attachment) {
    this.slotIndex = slotIndex;
    this.name = name;
    this.attachment = attachment;
  }
}
class Skin {
  constructor(name) {
    this.attachments = new Array();
    this.bones = Array();
    this.constraints = new Array();
    if (name == null)
      throw new Error("name cannot be null.");
    this.name = name;
  }
  setAttachment(slotIndex, name, attachment) {
    if (attachment == null)
      throw new Error("attachment cannot be null.");
    const attachments = this.attachments;
    if (slotIndex >= attachments.length)
      attachments.length = slotIndex + 1;
    if (!attachments[slotIndex])
      attachments[slotIndex] = {};
    attachments[slotIndex][name] = attachment;
  }
  addSkin(skin) {
    for (let i = 0; i < skin.bones.length; i++) {
      const bone = skin.bones[i];
      let contained = false;
      for (let j = 0; j < this.bones.length; j++) {
        if (this.bones[j] == bone) {
          contained = true;
          break;
        }
      }
      if (!contained)
        this.bones.push(bone);
    }
    for (let i = 0; i < skin.constraints.length; i++) {
      const constraint = skin.constraints[i];
      let contained = false;
      for (let j = 0; j < this.constraints.length; j++) {
        if (this.constraints[j] == constraint) {
          contained = true;
          break;
        }
      }
      if (!contained)
        this.constraints.push(constraint);
    }
    const attachments = skin.getAttachments();
    for (let i = 0; i < attachments.length; i++) {
      const attachment = attachments[i];
      this.setAttachment(attachment.slotIndex, attachment.name, attachment.attachment);
    }
  }
  copySkin(skin) {
    for (let i = 0; i < skin.bones.length; i++) {
      const bone = skin.bones[i];
      let contained = false;
      for (let j = 0; j < this.bones.length; j++) {
        if (this.bones[j] == bone) {
          contained = true;
          break;
        }
      }
      if (!contained)
        this.bones.push(bone);
    }
    for (let i = 0; i < skin.constraints.length; i++) {
      const constraint = skin.constraints[i];
      let contained = false;
      for (let j = 0; j < this.constraints.length; j++) {
        if (this.constraints[j] == constraint) {
          contained = true;
          break;
        }
      }
      if (!contained)
        this.constraints.push(constraint);
    }
    const attachments = skin.getAttachments();
    for (let i = 0; i < attachments.length; i++) {
      const attachment = attachments[i];
      if (attachment.attachment == null)
        continue;
      if (attachment.attachment instanceof MeshAttachment) {
        attachment.attachment = attachment.attachment.newLinkedMesh();
        this.setAttachment(attachment.slotIndex, attachment.name, attachment.attachment);
      } else {
        attachment.attachment = attachment.attachment.copy();
        this.setAttachment(attachment.slotIndex, attachment.name, attachment.attachment);
      }
    }
  }
  /** @return May be null. */
  getAttachment(slotIndex, name) {
    const dictionary = this.attachments[slotIndex];
    return dictionary ? dictionary[name] : null;
  }
  removeAttachment(slotIndex, name) {
    const dictionary = this.attachments[slotIndex];
    if (dictionary)
      dictionary[name] = null;
  }
  getAttachments() {
    const entries = new Array();
    for (let i = 0; i < this.attachments.length; i++) {
      const slotAttachments = this.attachments[i];
      if (slotAttachments) {
        for (const name in slotAttachments) {
          const attachment = slotAttachments[name];
          if (attachment)
            entries.push(new SkinEntry(i, name, attachment));
        }
      }
    }
    return entries;
  }
  getAttachmentsForSlot(slotIndex, attachments) {
    const slotAttachments = this.attachments[slotIndex];
    if (slotAttachments) {
      for (const name in slotAttachments) {
        const attachment = slotAttachments[name];
        if (attachment)
          attachments.push(new SkinEntry(slotIndex, name, attachment));
      }
    }
  }
  clear() {
    this.attachments.length = 0;
    this.bones.length = 0;
    this.constraints.length = 0;
  }
  /** Attach each attachment in this skin if the corresponding attachment in the old skin is currently attached. */
  attachAll(skeleton, oldSkin) {
    let slotIndex = 0;
    for (let i = 0; i < skeleton.slots.length; i++) {
      const slot = skeleton.slots[i];
      const slotAttachment = slot.getAttachment();
      if (slotAttachment && slotIndex < oldSkin.attachments.length) {
        const dictionary = oldSkin.attachments[slotIndex];
        for (const key in dictionary) {
          const skinAttachment = dictionary[key];
          if (slotAttachment == skinAttachment) {
            const attachment = this.getAttachment(slotIndex, key);
            if (attachment != null)
              slot.setAttachment(attachment);
            break;
          }
        }
      }
      slotIndex++;
    }
  }
}

export { Skin, SkinEntry };
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