Add Swap Test items

-- http://www.minecraftforge.net/forum/index.php/topic,34244.0.html

src/main/java/com/choonster/testmod3/client/model/ModModelManager.java

@@ -103,6 +103,8 @@ private void registerItemModels() {
 		registerItemModel(ModItems.snowballLauncher, "minecraft:fishing_rod");
 		registerItemModel(ModItems.slingshot);
 		registerItemModel(ModItems.unicodeTooltips, "minecraft:rabbit");
+		registerItemModel(ModItems.swapTestA, "minecraft:brick");
+		registerItemModel(ModItems.swapTestB, "minecraft:netherbrick");
 	}
 
 	private void registerItemModel(Item item) {

src/main/java/com/choonster/testmod3/init/ModItems.java

@@ -22,6 +22,8 @@ public class ModItems {
 	public static ItemSnowballLauncher snowballLauncher;
 	public static ItemSlingshot slingshot;
 	public static ItemUnicodeTooltips unicodeTooltips;
+	public static ItemSwapTest swapTestA;
+	public static ItemSwapTest swapTestB;
 
 	public static Item.ToolMaterial TOOL_MATERIAL_GLOWSTONE;
 
@@ -55,6 +57,11 @@ public static void registerItems() {
 
 		unicodeTooltips = registerItem(new ItemUnicodeTooltips());
 
+		swapTestA = registerItem(new ItemSwapTest("A"));
+		swapTestB = registerItem(new ItemSwapTest("B"));
+		swapTestA.setOtherItem(new ItemStack(swapTestB));
+		swapTestB.setOtherItem(new ItemStack(swapTestA));
+
 		TOOL_MATERIAL_GLOWSTONE = EnumHelper.addToolMaterial("glowstone", 1, 5, 0.5f, 1.0f, 10).setRepairItem(new ItemStack(Items.glowstone_dust));
 	}
 

src/main/java/com/choonster/testmod3/item/ItemSwapTest.java

@@ -0,0 +1,53 @@
+package com.choonster.testmod3.item;
+
+import com.choonster.testmod3.TestMod3;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.StatCollector;
+import net.minecraft.world.World;
+
+import java.util.List;
+
+/**
+ * An item that's converted to another when shift-right clicked.
+ * <p>
+ * Test for this thread:
+ * http://www.minecraftforge.net/forum/index.php/topic,34244.0.html
+ */
+public class ItemSwapTest extends Item {
+	private ItemStack otherItem;
+
+	public ItemSwapTest(String name) {
+		setCreativeTab(TestMod3.creativeTab);
+		setUnlocalizedName("swapTest" + name);
+	}
+
+	public boolean hasOtherItem() {
+		return otherItem != null;
+	}
+
+	public void setOtherItem(ItemStack otherItem) {
+		this.otherItem = otherItem;
+	}
+
+	@Override
+	public void addInformation(ItemStack stack, EntityPlayer playerIn, List tooltip, boolean advanced) {
+		super.addInformation(stack, playerIn, tooltip, advanced);
+
+		if (hasOtherItem()) {
+			tooltip.add(StatCollector.translateToLocalFormatted("item.swapTestWithItem.desc", otherItem.getDisplayName()));
+		} else {
+			tooltip.add(StatCollector.translateToLocal("item.swapTestWithoutItem.desc"));
+		}
+	}
+
+	@Override
+	public ItemStack onItemRightClick(ItemStack itemStackIn, World worldIn, EntityPlayer playerIn) {
+		if (hasOtherItem() && playerIn.isSneaking()) {
+			return otherItem.copy();
+		}
+
+		return super.onItemRightClick(itemStackIn, worldIn, playerIn);
+	}
+}

src/main/resources/assets/testmod3/lang/en_US.lang

@@ -36,11 +36,15 @@ item.entityTest.name=Entity Test
 item.blockDestroyer.name=Block Destroyer
 item.woodenAxe.name=Wooden Cutting Axe
 item.unicodeTooltips.name=Unicode Tooltips
+item.swapTestA.name=Swap Test A
+item.swapTestB.name=Swap Test B
 
 # Tooltips
 item.unicodeTooltips.desc.1=§a§oLine 1 (Section Characters in Lang File)§r
 item.unicodeTooltips.desc.2=Line 2 (Section Characters in Code)
 item.unicodeTooltips.desc.3=Line 3 (EnumChatFormatting)
+item.swapTestWithItem.desc=Shift-right click to convert to %s
+item.swapTestWithoutItem.desc=No conversion defined for this item
 
 # Chat messages
 message.entityInteractCount=Interact count: %s