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path: root/src/main/java/gtPlusPlus/xmod/bartworks/BW_Utils.java
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package gtPlusPlus.xmod.bartworks;

import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Map;

import gregtech.api.enums.OrePrefixes;
import gtPlusPlus.core.lib.LoadedMods;
import gtPlusPlus.core.util.reflect.ReflectionUtils;
import net.minecraft.item.ItemStack;

public class BW_Utils {

	private final static Method sName;
	private final static Method sGet;
	private static final Class<?> sClassBW_NonMeta_MaterialItems;
	private static final Class<?> Werkstoff;
	private static final Class<?> WerkstoffLoader;
	private static final Map<Short, ?> werkstoffHashMap;
	private static final Method getCorrespondingItemStackUnsafe;
	
	static {
		sName = ReflectionUtils.getMethod(Enum.class, "name");
		sClassBW_NonMeta_MaterialItems = ReflectionUtils.getClass("com.github.bartimaeusnek.bartworks.system.material.BW_NonMeta_MaterialItems");
		sGet = ReflectionUtils.getMethod(sClassBW_NonMeta_MaterialItems, "get", long.class, Object[].class);
		Werkstoff = ReflectionUtils.getClass("com.github.bartimaeusnek.bartworks.system.material.Werkstoff");
		WerkstoffLoader = ReflectionUtils.getClass("com.github.bartimaeusnek.bartworks.system.material.WerkstoffLoader");
		Field fieldWerkstoffHashMap = ReflectionUtils.getField(Werkstoff, "werkstoffHashMap");
		werkstoffHashMap = ReflectionUtils.getFieldValue(fieldWerkstoffHashMap);
		getCorrespondingItemStackUnsafe = ReflectionUtils.getMethod(WerkstoffLoader, "getCorrespondingItemStackUnsafe", OrePrefixes.class, Werkstoff, int.class);
	}
	
	public enum NonMeta_MaterialItem {
		Depleted_Tiberium_1,
		Depleted_Tiberium_2,
		Depleted_Tiberium_4,
	    TiberiumCell_1,
	    TiberiumCell_2,
	    TiberiumCell_4,
	    TheCoreCell,
	    Depleted_TheCoreCell;
	}
	
	public static ItemStack getBW_NonMeta_MaterialItems(NonMeta_MaterialItem aItem, long aAmount) {
		if (sClassBW_NonMeta_MaterialItems != null && sClassBW_NonMeta_MaterialItems.isEnum()) {
			for (Object obj : sClassBW_NonMeta_MaterialItems.getEnumConstants()) {
				   try {
					   if (aItem.name().equals(ReflectionUtils.invokeNonBool(obj, sName,  new Object[] {}))) {
						   return ((ItemStack) ReflectionUtils.invokeNonBool(obj, sGet, new Object[] {aAmount, new Object[] {}})).copy();
					   }
				   } catch (Throwable t) {
				       t.printStackTrace();
				   }
				}
		}
		return null;
	}
	
	public static ArrayList<ItemStack> getAll(int aStackSize){
		ArrayList<ItemStack> aItems = new ArrayList<ItemStack>();
		aItems.add(getBW_NonMeta_MaterialItems(NonMeta_MaterialItem.TiberiumCell_1, aStackSize));
		aItems.add(getBW_NonMeta_MaterialItems(NonMeta_MaterialItem.TiberiumCell_2, aStackSize));
		aItems.add(getBW_NonMeta_MaterialItems(NonMeta_MaterialItem.TiberiumCell_4, aStackSize));
		aItems.add(getBW_NonMeta_MaterialItems(NonMeta_MaterialItem.TheCoreCell, aStackSize));
		return aItems;
	}

	public static ItemStack getCorrespondingItemStack(OrePrefixes orePrefixes, short werkstoffID, int amount) {
		if (LoadedMods.BartWorks) {
			if (werkstoffHashMap != null) {
				Object werkstoff = werkstoffHashMap.get(werkstoffID);
				if (werkstoff != null) {
					return (ItemStack) ReflectionUtils.invokeNonBool(null, getCorrespondingItemStackUnsafe, new Object[]{orePrefixes, werkstoff, amount});
				}
			}
		}
		return null;
	}
}