ItemGuide.java

package openblocks.common.item;

import java.util.List;
import net.minecraft.block.Block;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.util.StatCollector;
import openblocks.shapes.GuideShape;
import openmods.item.ItemOpenBlock;

public class ItemGuide extends ItemOpenBlock {

	public static final String TAG_POS_X = "PosX";
	public static final String TAG_NEG_X = "NegX";

	public static final String TAG_POS_Y = "PosY";
	public static final String TAG_NEG_Y = "NegY";

	public static final String TAG_POS_Z = "PosZ";
	public static final String TAG_NEG_Z = "NegZ";

	public static final String TAG_COLOR = "Color";
	public static final String TAG_SHAPE = "Mode";

	// legacy tags
	public static final String TAG_WIDTH = "Width";
	public static final String TAG_HEIGHT = "Height";
	public static final String TAG_DEPTH = "Depth";

	public ItemGuide(Block block) {
		super(block);
	}

	private static void addIntInfo(NBTTagCompound tag, String name, String format, List<String> result) {
		if (tag.hasKey(name)) result.add(StatCollector.translateToLocalFormatted(format, tag.getInteger(name)));
	}

	@Override
	@SuppressWarnings({ "rawtypes", "unchecked" })
	public void addInformation(ItemStack stack, EntityPlayer player, List result, boolean extended) {
		NBTTagCompound tag = stack.stackTagCompound;
		if (tag != null) {
			if (tag.hasKey(TAG_NEG_X) && tag.hasKey(TAG_NEG_Y) || tag.hasKey(TAG_NEG_Z) ||
					tag.hasKey(TAG_POS_X) && tag.hasKey(TAG_POS_Y) || tag.hasKey(TAG_POS_Z)) {
				final int posX = tag.getInteger(TAG_POS_X);
				final int posY = tag.getInteger(TAG_POS_Y);
				final int posZ = tag.getInteger(TAG_POS_Z);

				final int negX = -tag.getInteger(TAG_NEG_X);
				final int negY = -tag.getInteger(TAG_NEG_Y);
				final int negZ = -tag.getInteger(TAG_NEG_Z);

				result.add(StatCollector.translateToLocalFormatted("openblocks.misc.box", negX, negY, negZ, posX, posY, posZ));
			} else {
				addIntInfo(tag, TAG_WIDTH, "openblocks.misc.width", result);
				addIntInfo(tag, TAG_HEIGHT, "openblocks.misc.height", result);
			}

			addIntInfo(tag, TAG_DEPTH, "openblocks.misc.depth", result);
			addIntInfo(tag, TAG_COLOR, "openblocks.misc.color", result);

			if (tag.hasKey(TAG_SHAPE)) {
				int mode = tag.getInteger(TAG_SHAPE);
				try {
					GuideShape shape = GuideShape.VALUES[mode];
					result.add(StatCollector.translateToLocalFormatted("openblocks.misc.shape", shape.getLocalizedName()));
				} catch (ArrayIndexOutOfBoundsException e) {}
			}
		}
	}

}