module/rdd-alchimie.js

@@ -45,19 +45,12 @@ export class RdDAlchimie {
 
   /* -------------------------------------------- */
   static getDifficulte(aspects) {
-    let aspectsArray = aspects.split('-');
-    let diff = 0;
-    let nbDifferent = 0;
-    let aspectsHash = {}
-    for (let colconst of aspectsArray) {
-      if ( aspectsHash[colconst] ){  // Deja present, augmente difficulté de 1
-        diff -= 1;
-      } else {
-        nbDifferent++;
-        aspectsHash[colconst] = colconst; // Keep track
-      }
-    }
-    diff = diff - ((nbDifferent>1) ? nbDifferent : 0); // Ca doit marcher ....
-    return Math.min(0, diff); // Pour être sur
+    let elements = aspects.split('-');
+    let composantes = elements.length;
+    let distincts = Object.keys(Misc.classifyFirst(elements, it => it)).length;
+    if (distincts == 1) {
+      composantes--;
+    }
+    return Math.min(0, -composantes);
   }
 }