add damage field

scripts/powers.js

@@ -633,6 +633,7 @@ class CurseEffect extends PowerEffect {
   get duration () { return 500*24*60*6 }
   get isTargeted () { return true }
   get oneTarget () { return true }
+  get isRaisable () { return false }
   get basePowerPoints () { return 5 }
   get modifiers () {
     const mods = super.modifiers
@@ -662,6 +663,59 @@ class CurseEffect extends PowerEffect {
   }
 }
 
+class DamageFieldEffect extends PowerEffect {
+  get name () { return 'Damage Field' }
+  get icon () { return 'icons/magic/defensive/shield-barrier-blades-teal.webp' }
+  get duration () { return 5 }
+  get basePowerPoints () { return 4 }
+  get isTargeted () { return true }
+  get oneTarget () { return true }
+  get isRaisable () { return false }
+  get modifiers () {
+    const mods = super.modifiers
+    mods.push({ name: 'Area of Effect', value: 2, id: 'aoe', epic: false, effect: false })
+    mods.push({ name: 'Damage', value: 2, id: 'damage', epic: false, effect: false })
+    mods.push({ name: 'Greater Damage Field', value: 4, id: 'greater', epic: true, effect: false })
+    mods.push({ name: 'Mobile', value: 2, id: 'mobile', epic: false, effect: false })
+    return mods
+  }
+  get description () {
+    let desc = super.description
+    let area = 'all adjacent creatures'
+    let damage = '2d4'
+    if (this.data.mods.has('greater')) {
+      damage = '3d6 (heavy weapon)'
+    } else if (this.data.mods.has('damage')) {
+      damage = '2d6'
+    }
+    if (this.data.mods.has('aoe')) {
+      area = 'all creatures within a MBT'
+    }
+    desc += `<p>At the end of the recipient's turn, ${area}
+      automatically take ${damage} damage.`
+    if (this.data.mods.has('mobile')) {
+      desc += `The caster may detach the damage field from the recipient and
+        move it up to his Smarts die type each round, as a limited free action.`
+    }
+    desc += '</p>'
+    return desc
+  }
+  getPrimaryEffectChanges () {
+    const base = 'flags.swade.auras.damagefield'
+    const priority = 0
+    const mode = foundry.CONST.ACTIVE_EFFECT_MODES.OVERRIDE
+    const changes = [
+      { key: `${base}.enabled`, value: true, priority, mode },
+      { key: `${base}.walls`, value: true, priority, mode },
+      { key: `${base}.color`, value: '#ffcc00', priority, mode },
+      { key: `${base}.alpha`, value: 0.1, priority, mode },
+      { key: `${base}.radius`, value: (this.data.mods.has('aoe') ? 1.5 : 0.5), priority, mode },
+      { key: `${base}.visibleTo`, value: [-1, 0, 1], priority, mode },
+    ]
+    return changes
+  }
+}
+
 const PowerClasses = {
   "arcane-protection": ArcaneProtectionEffect,
   banish: BanishEffect,
@@ -676,6 +730,7 @@ const PowerClasses = {
   burst: BurstEffect,
   confusion: ConfusionEffect,
   curse: CurseEffect,
+  "damage-field": DamageFieldEffect,
   "lower-trait": BoostLowerTraitEffect,
 }