Started adding system

CommonCore/SQL/src/de/steamwar/sql/GameModeConfig.java

@@ -687,6 +687,9 @@ public final class GameModeConfig<M, W> {
          */
         public final Map<Set<M>, Integer> Limited;
 
+        /** */
+        public final List<AllowedItemsConfig<M>> AllowedItems;
+
         private SchematicConfig(YMLWrapper<M, ?> loader) {
             loaded = loader.canLoad();
             Size = new SizeConfig(loader.with("Size"));
@@ -706,6 +709,7 @@ public final class GameModeConfig<M, W> {
             MaxDispenserItems = loader.getInt("MaxDispenserItems", 128);
             MaxBlastResistance = loader.getDouble("MaxBlastResistance", Double.MAX_VALUE);
             MaxDesignBlastResistance = loader.getDouble("MaxDesignBlastResistance", MaxBlastResistance);
+            AllowedItems = loader.withEvery("AllowedItems").stream().map(AllowedItemsConfig::new).collect(Collectors.toList());
 
             Map<Set<M>, Integer> Limited = new HashMap<>();
             for (Map<?, ?> entry : loader.getMapList("Limited")) {
@@ -790,6 +794,32 @@ public final class GameModeConfig<M, W> {
                 bottom = loader.getInt("bottom", 0);
             }
         }
+    
+        public static final class AllowedItemsConfig<M>  {
+            /**
+             * The materials of the items that may be included in inventories
+             */
+            public final List<M> AllowedMaterials;
+            /**
+             * The materials of inventory blocks that may contain the listed items
+             */
+            public final List<M> AllowedIn;
+            /**
+             * The maximum amount of items of the listed items contained per inventory
+             */
+            public final Integer MaxPerInventory;
+            /**
+             * The maximum amount of items of the listed items contained in total within all inventories
+             */
+            public final Integer TotalMax;
+
+            private AllowedItemsConfig(YMLWrapper<M, ?> loader) {
+                AllowedMaterials = loader.getMaterialList("AllowedMaterials");
+                AllowedIn = loader.getMaterialList("AllowedIn");
+                MaxPerInventory = loader.getInt("MaxPerInventory", Integer.MAX_VALUE);
+                TotalMax = loader.getInt("TotalMax", Integer.MAX_VALUE);
+            }
+        }
     }
 
     @ToString

CommonCore/SQL/src/de/steamwar/sql/YMLWrapper.java

@@ -76,6 +76,20 @@ final class YMLWrapper<M, W> {
         return new YMLWrapper<>(false, Collections.emptyMap(), materialMapper, winconditionMapper);
     }
 
+    public List<YMLWrapper<M, W>> withEvery(String path) {
+        if (document.containsKey(path)) {
+            Object value = document.get(path);
+            if(value instanceof List<?>) {
+                List<Object> list = (List<Object>) value;
+                return list.stream().map(o -> new YMLWrapper<>(true, Collections.singletonMap("value", o), materialMapper, winconditionMapper)).collect(Collectors.toList());
+            }
+        }
+
+        return Collections.emptyList();
+    }
+
+
+
     public <T> T get(String path, T defaultValue, Function<Object, T> mapper) {
         Object value = this.document.get(path);
         if (value == null) return defaultValue;