Added initiative roll (only tactics for the moment)

system/scripts/combat.js

@@ -0,0 +1,56 @@
+/**
+ * Roll initiative for one or multiple Combatants within the Combat entity
+ * @param {string|string[]} ids     A Combatant id or Array of ids for which to roll
+ * @param {string|null} [formula]   A non-default initiative formula to roll. Otherwise the system default is used.
+ * @param {boolean} [updateTurn]    Update the Combat turn after adding new initiative scores to keep the turn on
+ *                                  the same Combatant.
+ * @param {object} [messageOptions] Additional options with which to customize created Chat Messages
+ * @return {Promise<Combat>}        A promise which resolves to the updated Combat entity once updates are complete.
+ */
+export async function rollInitiative(ids, { formula = null, updateTurn = true, messageOptions = {} } = {}) {
+    if (!Array.isArray(ids)) {
+        ids = [ids];
+    }
+    const updatedCombatants = [];
+    ids.forEach((combatantId) => {
+        const combatant = game.combat.combatants.find((c) => c._id === combatantId);
+        if (!combatant || !combatant.actor) {
+            return;
+        }
+        const data = combatant.actor.data.data;
+        const skillValue =
+            combatant.actor.data.type === "npc" ? data.skills["martial"] : data.skills["martial"]["tactics"];
+
+        const roll = new game.l5r5e.RollL5r5e(
+            `${data.rings[data.stance]}dr[${data.stance}] + ${skillValue}ds[tactics]`
+        );
+        roll.actor = combatant.actor;
+        roll.l5r5e.summary.difficulty = 1;
+
+        roll.roll();
+        roll.toMessage({ flavor: game.i18n.localize("l5r5e.chatdices.initiative_roll") });
+
+        updatedCombatants.push({
+            _id: combatant._id,
+            initiative: roll.l5r5e.summary.success,
+        });
+    });
+
+    // Update all combatants at once
+    await this.updateEmbeddedEntity("Combatant", updatedCombatants);
+    return this;
+}
+
+/**
+ * Define how the array of Combatants is sorted in the displayed list of the tracker.
+ * This method can be overridden by a system or module which needs to display combatants in an alternative order.
+ * By default sort by initiative, falling back to name
+ * @private
+ */
+export function _sortCombatants(a, b) {
+    // if tie, sort by honor, less honorable first
+    if (a.initiative === b.initiative) {
+        return a.actor.data.data.social.honor - b.actor.data.data.social.honor;
+    }
+    return b.initiative - a.initiative;
+}