Fenetre de recherche et tirage

module/tirage/raretes.js

@@ -0,0 +1,45 @@
+
+const RARETES = [
+  { code: 'Commune', label: 'Commune', frequence: 54, min: 27, max: 108 },
+  { code: 'Frequente', label: 'Fréquente', frequence: 18, min: 9, max: 36 },
+  { code: 'Rare', label: 'Rare', frequence: 6, min: 3, max: 12 },
+  { code: 'Rarissime', label: 'Rarissime', frequence: 2, min: 1, max: 4 }]
+const DEFAULT_RARETE = 1;
+
+export class RdDRaretes {
+
+  static getRarete(code = undefined) {
+    return RARETES.find(it => it.code == code) ?? RARETES[DEFAULT_RARETE];
+  }
+
+  static getChamp(rarete, field = undefined) {
+    const selected = this.getRarete(rarete);
+    return field ? selected[field] : selected[frequence];
+  }
+
+  static getRareteFrequente() {
+    return RARETES[DEFAULT_RARETE];
+  }
+
+  static raretes() {
+    return RARETES;
+  }
+
+  static frequenceEquipement(item) {
+    return RdDRaretes.rareteEquipement(item).frequence
+  }
+
+  static rareteEquipement(item) {
+    const qualite = item.system.qualite ?? 0;
+    if (qualite <= 0) {
+      return RARETES[0]
+    }
+    if (qualite <= 3) {
+      return RARETES[1]
+    }
+    if (qualite <= 6) {
+      return RARETES[2]
+    }
+    return RARETES[3]
+  }
+}