swade-mb-helpers/src/module/powers/shapeChange.js

import { log, moduleHelpers, moduleName } from '../globals.js';
import { firstOwner, updateOwnedToken } from '../helpers.js';
import { ActorFolderEffect } from './basePowers.js';

export class ShapeChangeEffect extends ActorFolderEffect {
  get name() {
    return 'Shape Change';
  }

  get icon() {
    return 'icons/magic/control/silhouette-hold-change-blue.webp';
  }

  get duration() {
    return this.data.duration ? 50 : 5;
  }

  get isTargeted() {
    return true;
  }

  get oneTarget() {
    return true;
  }

  get isRaisable() {
    return true;
  }

  get basePowerPoints() {
    return 0;
  }

  get hasRange() {
    return false;
  }

  get actorFolderBase() {
    return 'Morphables';
  }

  actorValue(actor) {
    const size = actor.system.stats.size;
    let value = 3;
    if (size >= 5) {
      value = 15;
    } else if (size >= 3) {
      value = 11;
    } else if (size >= 1) {
      value = 8;
    } else if (size >= 0) {
      value = 5;
    }
    return value;
  }

  get modifiers() {
    return [
      ...super.modifiers,
      {
        name: 'Duration',
        type: 'checkbox',
        value: 1,
        id: 'duration',
        epic: false,
        effect: false,
      },
      {
        name: 'Transform Other?',
        type: 'select',
        default: 'none',
        id: 'transform',
        epic: true,
        choices: {
          none: 'None',
          touch: '⭐ Transform (touch)',
          smarts: '⭐ Transform (smarts)',
        },
        effects: { none: null, touch: null, smarts: null },
        values: { none: 0, touch: 2, smarts: 3 },
      },
    ];
  }

  async parseValues() {
    await super.parseValues();
    this.target = this?.targets?.[0] ?? this.source;
    this.data.actorUpdates = {
      name: `${this.target.actor.name} (${this.targetActor.name} form)`,
      system: {
        wildcard: this.target.actor.system.wildcard,
        attributes: {},
      },
    };
    for (const stat of ['smarts', 'spirit']) {
      this.data.actorUpdates.system.attributes[stat] = {
        die: this.target.actor.system.attributes[stat].die,
        'wild-die': this.target.actor.system.attributes[stat]['wild-die'],
      };
    }
    this.data.tokenUpdates = {
      flags: {
        [moduleName]: {
          'shapeChange.srcTokenUuid': this.target.document.uuid,
          'shapeChange.srcTokenId': this.target.document.id,
          'shapeChange.srcTokenSceneId': this.target.scene.id,
        },
      },
      actorLink: false,
      name: `${this.target.name} (${this.targetActor.prototypeToken.name} form)`,
      disposition: this.target.document.disposition,
      sight: {
        enabled: true,
      },
    };
    this.data.embeddedUpdates = {
      ActiveEffect: {},
      Item: {},
    };
    for (const effect of this.target.actor.effects) {
      const doc = deepClone(await this.target.actor.getEmbeddedDocument('ActiveEffect', effect.id));
      this.data.embeddedUpdates.ActiveEffect[effect.name] = doc;
    }
    for (const item of this.target.actor.items.filter(
      (i) =>
        (i.type === 'skill' && ['smarts', 'spirit'].includes(i.system.attribute)) ||
        ['power', 'edge', 'hindrance', 'action'].includes(i.type),
    )) {
      const doc = await this.target.actor.getEmbeddedDocument('Item', item.id);
      this.data.embeddedUpdates.Item[item.name] = doc;
    }
  }

  async spawn() {
    const target = this.target.document;
    const size = target.parent.dimensions.size;
    const protoWidth = this.targetActor.prototypeToken.width;
    const protoHeight = this.targetActor.prototypeToken.height;
    this.targetTokenDoc.updateSource({
      x: target.x - ((protoWidth - target.width) * size) / 2,
      y: target.y - ((protoHeight - target.height) * size) / 2,
      elevation: target.elevation,
      hidden: target.hidden,
    });
    return this.source.scene.createEmbeddedDocuments('Token', [this.targetTokenDoc]);
  }

  async apply() {
    await super.apply();
    const maintainDoc = await this.createMaintainEffect(this.data.maintId);
    maintainDoc.flags[moduleName].targetIds = this.data.spawned.map((t) => t.id);
    maintainDoc.flags[moduleName].shapeChangeSourceId = this.target.id;
    maintainDoc.flags[moduleName].shapeChangeTempTokenId = this.data.spawned[0].id;
    let maintainer = this.source;
    if (this.source.id === this.target.id) {
      maintainer = this.data.spawned[0];
    }
    await this.applyActiveEffects(maintainer, [maintainDoc]);
  }

  get effectName() {
    return `Shape Change into ${this.targetActor.prototypeToken.name}`;
  }

  getPrimaryEffectChanges() {
    const changes = super.getPrimaryEffectChanges();
    if (this.data.raise) {
      for (const stat of ['vigor', 'strength']) {
        changes.push({
          key: `system.attributes.${stat}.die.sides`,
          mode: CONST.ACTIVE_EFFECT_MODES.ADD,
          value: 2,
          priority: 0,
        });
      }
    }
    return changes;
  }

  get spawnUpdates() {
    const updates = super.spawnUpdates;
    mergeObject(updates.actor, this.data.actorUpdates);
    mergeObject(updates.token, this.data.tokenUpdates);
    mergeObject(updates.embedded, this.data.embeddedUpdates);
    return updates;
  }

  async sideEffects() {
    const owner = firstOwner(this.target);
    moduleHelpers.socket.executeAsUser(
      updateOwnedToken,
      owner.id,
      this.target.document.parent.id,
      this.target.document.id,
      { hidden: true, x: 0, y: 0 },
      { animate: false },
    );
  }

  get description() {
    let desc = super.description;
    desc += `<p>The caster ${this.data.transform === 'none' ? 'transforms' : 'causes the target to transform'}
    into a <em>${this.targetActor.name}</em>.</p>`;
    return desc;
  }
}

export async function shapeChangeTokenDeleteHandler(token, options, userId) {
  log('TOKEN DELETED |', token, options, userId);
  const sourceInfo = token.getFlag(moduleName, 'shapeChange');
  if (!sourceInfo?.srcTokenId) {
    return;
  }
  if (sourceInfo.srcTokenSceneId !== token.parent.id) {
    return;
  }
  const srcToken = await fromUuid(sourceInfo.srcTokenUuid);
  const size = token.parent.dimensions.size;
  const owner = firstOwner(srcToken);
  const updates = {
    x: token.x - ((srcToken.width - token.width) * size) / 2,
    y: token.y - ((srcToken.height - token.height) * size) / 2,
    elevation: token.elevation,
    hidden: token.hidden,
  };
  moduleHelpers.socket.executeAsUser(updateOwnedToken, owner.id, srcToken.parent.id, srcToken.id, updates, {
    animate: false,
  });
}