swade-mb-helpers/scripts/powers.js

import { moduleName } from './globals.js'
import { PowerEffect } from './basePowers.js'

class ArcaneProtectionEffect extends PowerEffect {
  get name () { return 'Arcane Protection' }
  get duration () { return 5 }
  get icon () { return 'icons/magic/defensive/shield-barrier-flaming-pentagon-blue.webp' }
  get hasAdditionalRecipients () { return true }
  get additionalRecipientCost () { return 1 }
  get isTargeted () { return true }
  get modifiers () {
    const mods = super.modifiers
    mods.push({
      name: 'Greater Arcane Protection',
      id: 'greater',
      value: 2,
      epic: true,
      effect: false
    })
    return mods
  }
  get effectName () {
    const greater = this.data.mods.has('greater')
    const raise = this.data.raise
    const amount = (raise ? -4 : -2) + (greater ? -2 : 0)
    return `${greater ? 'Greater ' : ''}Arcane Protection (${raise ? 'major, ' : ''}${amount})`
  }
}

class BanishEffect extends PowerEffect {
  get name () { return 'Banish' }
  get duration () { return 0 }
  get basePowerPoints () { return 3 }
  get usePrimaryEffect () { return false }
  get isTargeted () { return true }
  get menuInputs () {
    const inputs = super.menuInputs
    inputs.push
      inputs.push({ type: 'select', label: '⭐ Area of Effect',
        options: [
          {html: 'None', value: 0, selected: true},
          {html: 'Small Blast Template (+1)', value: 1, selected: false},
          {html: 'Medium Blast Template (+2)', value: 1, selected: false},
          {html: 'Large Blast Template (+3)', value: 1, selected: false},
        ]})
    return inputs
  }
  get powerPoints () {
    let total = super.powerPoints
    total += this.data.aoe
    return total
  }
  get chatMessageEffects () {
    const list = []
    switch (this.data.aoe) {
      case 0: break
      case 1:
        list.push('SBT')
        break
      case 2:
        list.push('MBT')
        break
      case 3:
        list.push('LBT')
        break
    }
    list.push("Opposed Roll: caster's arcane skill vs target's Spirit.")
    list.push("<strong>Success:</strong> Shaken, <strong>Each Raise:</strong> 1 Wound")
    list.push("If target incapacitated by this, banishment to home plane")
    return list
  }

  async parseValues () {
    await super.parseValues()
    this.data.aoe = this.data.values.shift()
  }

}

class BarrierEffect extends PowerEffect {
  get name () { return 'Barrier' }
  get duration () { return 5 }
  get icon () { return 'icons/environment/settlement/fence-stone-brick.webp' }
  get isTargeted () { return false }
  get basePowerPoints () { return 2 }
  get usePrimaryEffect () { return false }
  get modifiers () {
    const mods = super.modifiers
    mods.push({ name: 'Damage', id: 'damage', value: 1, epic: false, effect: false })
    mods.push({ name: 'Damage (immaterial trapping)', id: 'damage', value: 0, epic: false, effect: false })

    mods.push({ name: 'Deadly', id: 'deadly', value: 2, epic: true, effect: false })
    mods.push({ name: 'Hardened', id: 'hardened', value: 1, epic: false, effect: false })
    mods.push({ name: 'Shaped', id: 'shaped', value: 1, epic: false, effect: false })
    mods.push({ name: 'Size', id: 'size', value: 1, epic: false, effect: false })
    return mods
  }
  get chatMessageEffects () {
    const list = []
    const hardness = (this.data.raise ? 12 : 10) + (this.data.mods.has('hardened') ? 2 : 0)
    list.push(`The Barrier is hardness ${hardness}`)
    if (this.data.mods.has('damage')) {
      list.push('Damage: 2d4 to anyone who contacts')
    }
    if (this.data.mods.has('deadly')) {
      list.push('Deadly: 2d6 to anyone who contacts')
    }
    if (this.data.mods.has('shaped')) {
      list.push('Shaped (circle, square, or rectangle)')
    }
    if (this.data.mods.has('size')) {
      list.push('Size - length and height doubled')
    }
    return list
  }
  async createMaintainEffect (maintId) {
    const doc = await super.createMaintainEffect(maintId)
    doc.icon = this.icon
    return doc
  }
}

class BurrowEffect extends PowerEffect {
  get name () { return 'Burrow' }
  get duration () { return 5 }
  get icon () { return 'icons/magic/earth/projectile-stone-landslide.webp' }
  get hasAdditionalRecipients () { return true }
  get additionalRecipientCost () { return 1 }
  get basePowerPoints () { return 1 }
  get isTargeted () { return true }
  get modifiers () {
    const mods = super.modifiers
    mods.push(
      { name: 'Power',
        id: 'power',
        value: 1,
        epic: false,
        effect: false,
      })
    return mods
  }
  get effectName () {
    return `${this.name} ${this.data.mods.has('power') ? '[Power] ' : ''}` +
      `(${this.data.raise ? 'full' : 'half'} pace)`
  }
}

const PowerClasses = {
  "arcane-protection": ArcaneProtectionEffect,
  banish: BanishEffect,
  barrier: BarrierEffect,
  burrow: BurrowEffect
}

/* ---------------------------------------------------------------- */

export async function powerEffectManagementHook(effect, data, userId) {
  if (game.user.id !== userId) {
    return
  }
  const maintId = effect.getFlag(moduleName, 'maintainingId')
  if (!maintId) {
    return
  }
  const mutateOptions = {
    permanent: true,
    comparisonKeys: {
      ActiveEffect: 'id'
    }
  }
  const targetIds = effect.getFlag(moduleName, 'targetIds') || []
  for (const targetId of targetIds) {
    const mutation = {
      embedded: { ActiveEffect: {} }
    }
    const target = canvas.tokens.get(targetId)
    if (!target) {
      continue
    }
    const effects = target.actor.effects.filter(
      e => e.getFlag(moduleName, 'maintId') === maintId)
    for (const effect of effects) {
      mutation.embedded.ActiveEffect[effect.id] = warpgate.CONST.DELETE
    }
    mutateOptions.description = `${effect.parent.name} is no longer ${effect.name} on ${target.name}`
    await warpgate.mutate(target.document, mutation, {}, mutateOptions)
  }
}

export async function powers (options = {}) {
  const token = 'token' in options ? options.token : null
  if (token === undefined || token === null) {
    ui.notifications.error('Please select one token to be the caster')
    return
  }

  const targets = 'targets' in options ? Array.from(options.targets) : []
  const item = 'item' in options ? options.item : null
  const swid = options?.name || item?.system.swid || null

  if (swid in PowerClasses) {
    const runner = new PowerClasses[swid](token, targets)
    runner.powerEffect()
    return
  }
  ui.notifications.error(`No power effect found for ${name}`)
}