added slot argument type, fixes #564

src/main/java/carpet/script/value/ValueConversions.java

@@ -330,4 +330,49 @@ public class ValueConversions
         }
         throw new InternalExpressionException("Unknown property type: "+p.getName());
     }
+
+
+    private static final Map<Integer, ListValue> slotIdsToSlotParams = new HashMap<Integer, ListValue>() {{
+        int n;
+        //covers blocks, player hotbar and inventory, and all default inventories
+        for(n = 0; n < 54; ++n) {
+            put(n, ListValue.of(Value.NULL, NumericValue.of(n)));
+        }
+        for(n = 0; n < 27; ++n) {
+            put(200+n, ListValue.of(StringValue.of("enderchest"), NumericValue.of(n)));
+        }
+
+        // villager
+        for(n = 0; n < 8; ++n) {
+            put(300+n, ListValue.of(Value.NULL, NumericValue.of(n)));
+        }
+
+        // horse, llamas, donkeys, etc.
+        // two first slots are for saddle and armour
+        for(n = 0; n < 15; ++n) {
+            put(500+n, ListValue.of(Value.NULL, NumericValue.of(n+2)));
+        }
+        Value equipment = StringValue.of("equipment");
+        // weapon main hand
+        put(98, ListValue.of(equipment, NumericValue.of(0)));
+        // offhand
+        put(99, ListValue.of(equipment, NumericValue.of(5)));
+        // feet, legs, chest, head
+        for(n = 0; n < 4; ++n) {
+            put(100+n, ListValue.of(equipment, NumericValue.of(n+1)));
+        }
+        //horse defaults saddle
+        put(400, ListValue.of(Value.NULL, NumericValue.of(0)));
+        // armor
+        put(401, ListValue.of(Value.NULL, NumericValue.of(1)));
+        // chest itself on the donkey is wierd - use NBT to alter that.
+        //hashMap.put("horse.chest", 499);
+    }};
+
+    public static Value ofVanillaSlotResult(int itemSlot)
+    {
+        Value ret = slotIdsToSlotParams.get(itemSlot);
+        if (ret == null) return ListValue.of(Value.NULL, NumericValue.of(itemSlot));
+        return ret;
+    }
 }