1 files changed, 122 insertions, 0 deletions
diff --git a/src/main/java/gregtech/api/objects/ItemData.java b/src/main/java/gregtech/api/objects/ItemData.java
new file mode 100644
index 0000000000..779e45ac8b
--- /dev/null
+++ b/src/main/java/gregtech/api/objects/ItemData.java
@@ -0,0 +1,122 @@
+package gregtech.api.objects;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import net.minecraft.item.ItemStack;
+
+import gregtech.api.enums.Materials;
+import gregtech.api.enums.OrePrefixes;
+
+public class ItemData {
+
+    private static final MaterialStack[] EMPTY_MATERIALSTACK_ARRAY = new MaterialStack[0];
+
+    public final List<Object> mExtraData = new GT_ArrayList<>(false, 1);
+    public final OrePrefixes mPrefix;
+    public final MaterialStack mMaterial;
+    public final MaterialStack[] mByProducts;
+    public boolean mBlackListed = false;
+    public ItemStack mUnificationTarget = null;
+
+    public ItemData(OrePrefixes aPrefix, Materials aMaterial, boolean aBlackListed) {
+        mPrefix = aPrefix;
+        mMaterial = aMaterial == null ? null : new MaterialStack(aMaterial, aPrefix.mMaterialAmount);
+        mBlackListed = aBlackListed;
+        mByProducts = aPrefix.mSecondaryMaterial == null || aPrefix.mSecondaryMaterial.mMaterial == null
+            ? EMPTY_MATERIALSTACK_ARRAY
+            : new MaterialStack[] { aPrefix.mSecondaryMaterial.clone() };
+    }
+
+    public ItemData(OrePrefixes aPrefix, Materials aMaterial) {
+        this(aPrefix, aMaterial, false);
+    }
+
+    public ItemData(MaterialStack aMaterial, MaterialStack... aByProducts) {
+        mPrefix = null;
+        mMaterial = aMaterial.mMaterial == null ? null : aMaterial.clone();
+        mBlackListed = true;
+        if (aByProducts == null) {
+            mByProducts = EMPTY_MATERIALSTACK_ARRAY;
+        } else {
+            MaterialStack[] tByProducts = aByProducts.length < 1 ? EMPTY_MATERIALSTACK_ARRAY
+                : new MaterialStack[aByProducts.length];
+            int j = 0;
+            for (MaterialStack aByProduct : aByProducts)
+                if (aByProduct != null && aByProduct.mMaterial != null) tByProducts[j++] = aByProduct.clone();
+            mByProducts = j > 0 ? new MaterialStack[j] : EMPTY_MATERIALSTACK_ARRAY;
+            System.arraycopy(tByProducts, 0, mByProducts, 0, mByProducts.length);
+        }
+    }
+
+    public ItemData(Materials aMaterial, long aAmount, MaterialStack... aByProducts) {
+        this(new MaterialStack(aMaterial, aAmount), aByProducts);
+    }
+
+    public ItemData(Materials aMaterial, long aAmount, Materials aByProduct, long aByProductAmount) {
+        this(new MaterialStack(aMaterial, aAmount), new MaterialStack(aByProduct, aByProductAmount));
+    }
+
+    public ItemData(ItemData... aData) {
+        mPrefix = null;
+        mBlackListed = true;
+
+        ArrayList<MaterialStack> aList = new ArrayList<>(), rList = new ArrayList<>();
+
+        for (ItemData tData : aData) if (tData != null) {
+            if (tData.hasValidMaterialData() && tData.mMaterial.mAmount > 0) aList.add(tData.mMaterial.clone());
+            for (MaterialStack tMaterial : tData.mByProducts) if (tMaterial.mAmount > 0) aList.add(tMaterial.clone());
+        }
+
+        for (MaterialStack aMaterial : aList) {
+            boolean temp = true;
+            for (MaterialStack tMaterial : rList) if (aMaterial.mMaterial == tMaterial.mMaterial) {
+                tMaterial.mAmount += aMaterial.mAmount;
+                temp = false;
+                break;
+            }
+            if (temp) rList.add(aMaterial.clone());
+        }
+
+        rList.sort((a, b) -> Long.compare(b.mAmount, a.mAmount));
+
+        if (rList.isEmpty()) {
+            mMaterial = null;
+        } else {
+            mMaterial = rList.get(0);
+            rList.remove(0);
+        }
+
+        mByProducts = rList.toArray(new MaterialStack[0]);
+    }
+
+    public final boolean hasValidPrefixMaterialData() {
+        return mPrefix != null && mMaterial != null && mMaterial.mMaterial != null;
+    }
+
+    public final boolean hasValidPrefixData() {
+        return mPrefix != null;
+    }
+
+    public final boolean hasValidMaterialData() {
+        return mMaterial != null && mMaterial.mMaterial != null;
+    }
+
+    public final ArrayList<MaterialStack> getAllMaterialStacks() {
+        ArrayList<MaterialStack> rList = new ArrayList<>();
+        if (hasValidMaterialData()) rList.add(mMaterial);
+        rList.addAll(Arrays.asList(mByProducts));
+        return rList;
+    }
+
+    public final MaterialStack getByProduct(int aIndex) {
+        return aIndex >= 0 && aIndex < mByProducts.length ? mByProducts[aIndex] : null;
+    }
+
+    @Override
+    public String toString() {
+        if (mPrefix == null || mMaterial == null || mMaterial.mMaterial == null) return "";
+        return String.valueOf(mPrefix.name() + mMaterial.mMaterial.mName);
+    }
+}