First PR

module/data/action/actionDice.mjs

@@ -0,0 +1,49 @@
+import FormulaField from "../fields/formulaField.mjs";
+
+const fields = foundry.data.fields;
+
+export class DHActionDiceData extends foundry.abstract.DataModel {
+    /** @override */
+    static defineSchema() {
+        return {
+            multiplier: new fields.StringField({ choices: SYSTEM.GENERAL.multiplierTypes, initial: 'proficiency', label: 'Multiplier' }),
+            dice: new fields.StringField({ choices: SYSTEM.GENERAL.diceTypes, initial: 'd6', label: 'Formula' }),
+            bonus: new fields.NumberField({ nullable: true, initial: null, label: 'Bonus' }),
+            custom: new fields.SchemaField({
+                enabled: new fields.BooleanField({ label: 'Custom Formula' }),
+                formula: new FormulaField( { label: 'Formula' } )
+            })
+        }
+    }
+
+    getFormula(actor) {
+        return this.custom.enabled ? this.custom.formula : `${(actor.system[this.multiplier] ?? 1)}${this.dice}${this.bonus ? (this.bonus < 0 ? ` - ${Math.abs(this.bonus)}` : ` + ${this.bonus}`) : ''}`;
+    }
+}
+
+export class DHDamageField extends fields.SchemaField {
+    constructor(hasBase, options, context={}) {
+        const damageFields = {
+            parts: new fields.ArrayField(new fields.EmbeddedDataField(DHDamageData))
+        }
+        if(hasBase) damageFields.includeBase = new fields.BooleanField({ initial: true })
+        super(damageFields, options, context);
+    }
+}
+
+export class DHDamageData extends DHActionDiceData {
+    /** @override */
+    static defineSchema() {
+        return {
+            ...super.defineSchema(),
+            base: new fields.BooleanField({ initial: false, readonly: true, label: 'Base' }),
+            type: new fields.StringField({
+                choices: SYSTEM.GENERAL.damageTypes,
+                initial: 'physical',
+                label: 'Type',
+                nullable: false,
+                required: true
+            })
+        }
+    }
+}