even with Blood asp experimental branch

1 files changed, 82 insertions, 0 deletions

diff --git a/src/main/java/gregtech/api/objects/GT_HashSet.java b/src/main/java/gregtech/api/objects/GT_HashSet.java
new file mode 100644
index 0000000000..cec006905b
--- /dev/null
+++ b/src/main/java/gregtech/api/objects/GT_HashSet.java
@@ -0,0 +1,82 @@
+package gregtech.api.objects;
+
+import gregtech.api.GregTech_API;
+import gregtech.api.util.GT_Utility;
+import net.minecraft.item.ItemStack;
+
+import java.util.*;
+
+public class GT_HashSet<E extends GT_ItemStack> extends AbstractSet<E> {
+    private static final Object OBJECT = new Object();
+    private transient HashMap<GT_ItemStack, Object> map;
+
+    public GT_HashSet() {
+        map = new HashMap<GT_ItemStack, Object>();
+        GregTech_API.sItemStackMappings.add(map);
+    }
+
+    public GT_HashSet(Collection<? extends E> c) {
+        map = new HashMap<GT_ItemStack, Object>(Math.max((int) (c.size() / .75f) + 1, 16));
+        addAll(c);
+        GregTech_API.sItemStackMappings.add(map);
+    }
+
+    public GT_HashSet(int initialCapacity, float loadFactor) {
+        map = new HashMap<GT_ItemStack, Object>(initialCapacity, loadFactor);
+        GregTech_API.sItemStackMappings.add(map);
+    }
+
+    public GT_HashSet(int initialCapacity) {
+        map = new HashMap<GT_ItemStack, Object>(initialCapacity);
+        GregTech_API.sItemStackMappings.add(map);
+    }
+
+    GT_HashSet(int initialCapacity, float loadFactor, boolean dummy) {
+        map = new LinkedHashMap<GT_ItemStack, Object>(initialCapacity, loadFactor);
+        GregTech_API.sItemStackMappings.add(map);
+    }
+
+    public HashMap getMap() {
+        return map;
+    }
+
+    @Override
+    public Iterator<E> iterator() {
+        return (Iterator<E>) map.keySet().iterator();
+    }
+
+    @Override
+    public int size() {
+        return map.size();
+    }
+
+    @Override
+    public boolean isEmpty() {
+        return map.isEmpty();
+    }
+
+    @Override
+    public boolean contains(Object o) {
+        return map.containsKey(o);
+    }
+
+    public boolean add(ItemStack aStack) {
+        if (GT_Utility.isStackInvalid(aStack)) return false;
+        return map.put(new GT_ItemStack(aStack), OBJECT) == null;
+    }
+
+    @Override
+    public boolean add(E e) {
+        return map.put(e, OBJECT) == null;
+    }
+
+    @Override
+    public boolean remove(Object o) {
+        return map.remove(o) == OBJECT;
+    }
+
+    @Override
+    public void clear() {
+        map.clear();
+    }
+}
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