Ajout: Information de distance

module/combat/distance.mjs

@@ -0,0 +1,63 @@
+import { Misc } from "../misc.js"
+
+export class Distance {
+
+  static ajustements(token, defenderToken, arme){
+      const distance = Distance.distance(token, defenderToken)
+      const isVisible = Distance.isVisible(token, defenderToken)
+      const portee = Distance.ajustementPortee(distance, arme)
+      const taille = Distance.ajustementTaille(defenderToken.actor)
+      const activite = Distance.ajustementMouvement(defenderToken)
+      const total = Distance.diff(portee, taille, activite)
+      return {
+            isVisible: isVisible,
+            distance: distance,
+            portee: portee,
+            taille: taille,
+            activite: activite,
+            total: total
+      }
+  }
+
+  static distance(token, defenderToken) {
+    const ray = new foundry.canvas.geometry.Ray(
+      token.getCenterPoint(),
+      defenderToken.getCenterPoint()
+    )
+    return Number(canvas.grid.measureDistances([{ ray }], { gridSpaces: false }))
+  }
+
+  static isVisible(token, defenderToken) {
+    // TODO: regarder les StatusEffect aveuglé?
+    return canvas.effects.visibility.testVisibility(defenderToken.getCenterPoint(), { object: token })
+  }
+
+  static ajustementPortee(distance, arme) {
+    if (arme.system.portee_courte && distance <= arme.system.portee_courte) return { msg: "courte", diff: 0 };
+    if (arme.system.portee_moyenne && distance <= arme.system.portee_moyenne) return { msg: "moyenne", diff: -3 };
+    if (arme.system.portee_extreme && distance <= arme.system.portee_extreme) return { msg: "extrême", diff: -5 };
+    return { msg: "inatteignable", diff: -10 };
+  }
+
+  static ajustementTaille(actor) {
+    if (actor.isVehicule()) return { msg: "véhicule", diff: 0 }
+    const taille = actor.getCaracByName('TAILLE')?.value ?? 1;
+    if (taille <= 1) return { msg: "souris", diff: -8 };
+    if (taille <= 3) return { msg: "chat", diff: -4 };
+    if (taille <= 5) return { msg: "chien", diff: -2 };
+    if (taille <= 15) return { msg: "humanoïde", diff: 0 };
+    if (taille <= 20) return { msg: "ogre", diff: 2 };
+    return { msg: "gigantesque", diff: 4 };
+  }
+
+  static ajustementMouvement(defenderToken) {
+    if (defenderToken.actor?.getSurprise(true) != '') return { msg: "immobile (surprise)", diff: 0 };
+    if (defenderToken.inCombat) return { msg: "en mouvement (combat)", diff: -4 };
+    return { msg: "à déterminer (0 immobile, -3 actif, -4 en mouvement, -5 en zig-zag)", diff: -3 };
+  }
+
+  static diff(...ajustements){
+    return  ajustements.map(it => it.diff).filter(d => !Number.isNaN(d)).reduce(Misc.sum(), 0)
+  }
+
+}