1 files changed, 81 insertions, 0 deletions
diff --git a/src/Java/gtPlusPlus/xmod/gregtech/common/helpers/VolumetricFlaskHelper.java b/src/Java/gtPlusPlus/xmod/gregtech/common/helpers/VolumetricFlaskHelper.java
new file mode 100644
index 0000000000..76bb378377
--- /dev/null
+++ b/src/Java/gtPlusPlus/xmod/gregtech/common/helpers/VolumetricFlaskHelper.java
@@ -0,0 +1,81 @@
+package gtPlusPlus.xmod.gregtech.common.helpers;
+
+import java.lang.reflect.Method;
+
+import gtPlusPlus.core.util.minecraft.ItemUtils;
+import gtPlusPlus.core.util.reflect.ReflectionUtils;
+import gtPlusPlus.xmod.gregtech.common.Meta_GT_Proxy;
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NBTTagCompound;
+
+public class VolumetricFlaskHelper {
+	
+	private static final Class sClassVolumetricFlask;
+	private static final Method sMethodGetFlaskMaxCapacity;
+	private static Item mFlask;
+
+	static {
+		if (Meta_GT_Proxy.sDoesVolumetricFlaskExist) {
+			sClassVolumetricFlask = ReflectionUtils.getClass("gregtech.common.items.GT_VolumetricFlask");
+			sMethodGetFlaskMaxCapacity = ReflectionUtils.getMethod(sClassVolumetricFlask, "getMaxCapacity", new Class[] {});
+		}
+		else {
+			sClassVolumetricFlask = null;
+			sMethodGetFlaskMaxCapacity = null;
+		}
+	}
+	
+	public static ItemStack getVolumetricFlask(int aAmount) {
+		ItemStack aFlask = ItemUtils.getValueOfItemList("VOLUMETRIC_FLASK", aAmount, (ItemStack) null);
+		return aFlask;
+	}
+	
+	public static boolean isVolumetricFlask(ItemStack aStack) {
+		if (mFlask == null) {
+			ItemStack aFlask = ItemUtils.getValueOfItemList("VOLUMETRIC_FLASK", 1, (ItemStack) null);
+			if (aFlask != null) {
+				mFlask = aFlask.getItem();				
+			}
+		}
+		if (aStack.getItem() == mFlask) {
+			return true;
+		}
+		return false;
+	}
+	
+	public static int getMaxFlaskCapacity(ItemStack aStack) {
+		if (aStack != null && sMethodGetFlaskMaxCapacity != null) {
+			Item aItem = aStack.getItem();
+			if (sClassVolumetricFlask.isInstance(aItem)) {
+				int aMaxCapacity = (int) ReflectionUtils.invokeNonBool(aItem, sMethodGetFlaskMaxCapacity, new Object[] {});
+				return aMaxCapacity;
+			}
+		}
+		return 0;
+	}
+	
+	public static int getFlaskCapacity(ItemStack aStack) {
+        int capacity = 1000;
+        if (aStack.hasTagCompound()) {
+            NBTTagCompound nbt = aStack.getTagCompound();
+            if (nbt.hasKey("Capacity", 3))
+                capacity = nbt.getInteger("Capacity");
+        }
+        return Math.min(getMaxFlaskCapacity(aStack), capacity);
+	}
+	
+	public static boolean setNewFlaskCapacity(ItemStack aStack, int aCapacity) {
+		if (aStack == null || aCapacity <= 0) {
+			return false;
+		}		
+		aCapacity = Math.min(aCapacity, getMaxFlaskCapacity(aStack));
+        NBTTagCompound nbt = aStack.getTagCompound();
+        if (nbt == null) {
+        	aStack.setTagCompound(nbt = new NBTTagCompound());
+        }
+        nbt.setInteger("Capacity", aCapacity);
+        return true;
+	}
+	
+}