ds4/src/module/actor/actor.ts

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import { DS4ActorDataType } from "./actor-data";
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/**
* Extend the base Actor entity by defining a custom roll data structure which is ideal for the Simple system.
* @extends {Actor}
*/
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export class DS4Actor extends Actor<DS4ActorDataType> {
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/** @override */
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prepareDerivedData(): void {
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const data = this.data;
this._prepareCombatValues(data);
}
private _prepareCombatValues(data: ActorData<DS4ActorDataType>): void {
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const hitPointsModifier = getProperty(data, "data.combatValues.hitPoints.modifier") || 0;
const actorData = data.data;
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setProperty(
data,
"data.combatValues.hitPoints.max",
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actorData.attributes.body.initial + actorData.traits.constitution.initial + 10 + hitPointsModifier,
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);
const defenseModifier = getProperty(data, "data.combatValues.defense.modifier") || 0;
setProperty(
data,
"data.combatValues.defense.value",
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actorData.attributes.body.initial +
actorData.traits.constitution.initial +
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this._getArmorValue() +
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defenseModifier,
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);
}
private _getArmorValue(): number {
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return this.data["items"]
.filter((item) => ["armor", "shield"].includes(item.type))
.filter((item) => item.data.equipped)
.map((item) => item.data.armorValue)
.reduce((a, b) => a + b, 0);
}
}