+ Added Custom Backpacks.

- Removed some old blocks which were statically generated. They still exist, now just are created using the dynamic block creation system.

1 files changed, 240 insertions, 0 deletions

diff --git a/src/Java/miscutil/core/inventories/BaseInventoryBackpack.java b/src/Java/miscutil/core/inventories/BaseInventoryBackpack.java
new file mode 100644
index 0000000000..ba3acbc79e
--- /dev/null
+++ b/src/Java/miscutil/core/inventories/BaseInventoryBackpack.java
@@ -0,0 +1,240 @@
+package miscutil.core.inventories;
+
+import java.util.UUID;
+
+import miscutil.core.item.base.BaseItemBackpack;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.inventory.IInventory;
+import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.nbt.NBTTagList;
+import net.minecraftforge.common.util.Constants;
+
+public class BaseInventoryBackpack implements IInventory{
+
+	private String name = "Inventory Item";
+
+	/** Provides NBT Tag Compound to reference */
+	private final ItemStack invItem;
+
+	/** Defining your inventory size this way is handy */
+	public static final int INV_SIZE = 8;
+
+	/** Inventory's size must be same as number of slots you add to the Container class */
+	private ItemStack[] inventory = new ItemStack[INV_SIZE];
+
+	// declaration of variable:
+	protected String uniqueID;	
+
+	/**
+	 * @param itemstack - the ItemStack to which this inventory belongs
+	 */
+	public BaseInventoryBackpack(ItemStack stack)
+	{
+		invItem = stack;
+
+		/** initialize variable within the constructor: */
+		uniqueID = "";
+
+		if (!stack.hasTagCompound())
+		{
+			stack.setTagCompound(new NBTTagCompound());
+			// no tag compound means the itemstack does not yet have a UUID, so assign one:
+			uniqueID = UUID.randomUUID().toString();
+		}		
+		
+		// Create a new NBT Tag Compound if one doesn't already exist, or you will crash
+		if (!stack.hasTagCompound()) {
+			stack.setTagCompound(new NBTTagCompound());
+		}
+		// note that it's okay to use stack instead of invItem right there
+		// both reference the same memory location, so whatever you change using
+		// either reference will change in the other
+
+		// Read the inventory contents from NBT
+		readFromNBT(stack.getTagCompound());
+	}
+	@Override
+	public int getSizeInventory()
+	{
+		return inventory.length;
+	}
+
+	@Override
+	public ItemStack getStackInSlot(int slot)
+	{
+		return inventory[slot];
+	}
+
+	@Override
+	public ItemStack decrStackSize(int slot, int amount)
+	{
+		ItemStack stack = getStackInSlot(slot);
+		if(stack != null)
+		{
+			if(stack.stackSize > amount)
+			{
+				stack = stack.splitStack(amount);
+				// Don't forget this line or your inventory will not be saved!
+				markDirty();
+			}
+			else
+			{
+				// this method also calls markDirty, so we don't need to call it again
+				setInventorySlotContents(slot, null);
+			}
+		}
+		return stack;
+	}
+
+	@Override
+	public ItemStack getStackInSlotOnClosing(int slot)
+	{
+		ItemStack stack = getStackInSlot(slot);
+		setInventorySlotContents(slot, null);
+		return stack;
+	}
+
+	@Override
+	public void setInventorySlotContents(int slot, ItemStack stack)
+	{
+		inventory[slot] = stack;
+
+		if (stack != null && stack.stackSize > getInventoryStackLimit())
+		{
+			stack.stackSize = getInventoryStackLimit();
+		}
+
+		// Don't forget this line or your inventory will not be saved!
+		markDirty();
+	}
+
+	// 1.7.2+ renamed to getInventoryName
+	@Override
+	public String getInventoryName()
+	{
+		return name;
+	}
+
+	// 1.7.2+ renamed to hasCustomInventoryName
+	@Override
+	public boolean hasCustomInventoryName()
+	{
+		return name.length() > 0;
+	}
+
+	@Override
+	public int getInventoryStackLimit()
+	{
+		return 64;
+	}
+
+	/**
+	 * This is the method that will handle saving the inventory contents, as it is called (or should be called!)
+	 * anytime the inventory changes. Perfect. Much better than using onUpdate in an Item, as this will also
+	 * let you change things in your inventory without ever opening a Gui, if you want.
+	 */
+	// 1.7.2+ renamed to markDirty
+	@Override
+	public void markDirty()
+	{
+		for (int i = 0; i < getSizeInventory(); ++i)
+		{
+			if (getStackInSlot(i) != null && getStackInSlot(i).stackSize == 0) {
+				inventory[i] = null;
+			}
+		}
+
+		// This line here does the work:		
+		writeToNBT(invItem.getTagCompound());
+	}
+
+	@Override
+	public boolean isUseableByPlayer(EntityPlayer entityplayer)
+	{
+		return true;
+	}
+
+	// 1.7.2+ renamed to openInventory(EntityPlayer player)
+	@Override
+	public void openInventory() {}
+
+	// 1.7.2+ renamed to closeInventory(EntityPlayer player)
+	@Override
+	public void closeInventory() {}
+
+	/**
+	 * This method doesn't seem to do what it claims to do, as
+	 * items can still be left-clicked and placed in the inventory
+	 * even when this returns false
+	 */
+	@Override
+	public boolean isItemValidForSlot(int slot, ItemStack itemstack)
+	{
+		// Don't want to be able to store the inventory item within itself
+		// Bad things will happen, like losing your inventory
+		// Actually, this needs a custom Slot to work
+		return !(itemstack.getItem() instanceof BaseItemBackpack);
+	}
+
+	/**
+	 * A custom method to read our inventory from an ItemStack's NBT compound
+	 */
+	public void readFromNBT(NBTTagCompound compound)
+	{
+		// Gets the custom taglist we wrote to this compound, if any
+		// 1.7.2+ change to compound.getTagList("ItemInventory", Constants.NBT.TAG_COMPOUND);
+		NBTTagList items = compound.getTagList("ItemInventory", Constants.NBT.TAG_COMPOUND);
+		
+		if ("".equals(uniqueID))
+		{
+			// try to read unique ID from NBT
+			uniqueID = compound.getString("uniqueID");
+			// if it's still "", assign a new one:
+			if ("".equals(uniqueID))
+			{
+				uniqueID = UUID.randomUUID().toString();
+			}
+		}
+
+		for (int i = 0; i < items.tagCount(); ++i)
+		{
+			// 1.7.2+ change to items.getCompoundTagAt(i)
+			NBTTagCompound item = (NBTTagCompound) items.getCompoundTagAt(i);
+			int slot = item.getInteger("Slot");
+
+			// Just double-checking that the saved slot index is within our inventory array bounds
+			if (slot >= 0 && slot < getSizeInventory()) {
+				inventory[slot] = ItemStack.loadItemStackFromNBT(item);
+			}
+		}
+	}
+
+	/**
+	 * A custom method to write our inventory to an ItemStack's NBT compound
+	 */
+	public void writeToNBT(NBTTagCompound tagcompound)
+	{
+		// Create a new NBT Tag List to store itemstacks as NBT Tags
+		NBTTagList items = new NBTTagList();
+
+		for (int i = 0; i < getSizeInventory(); ++i)
+		{
+			// Only write stacks that contain items
+			if (getStackInSlot(i) != null)
+			{
+				// Make a new NBT Tag Compound to write the itemstack and slot index to
+				NBTTagCompound item = new NBTTagCompound();
+				item.setInteger("Slot", i);
+				// Writes the itemstack in slot(i) to the Tag Compound we just made
+				getStackInSlot(i).writeToNBT(item);
+
+				// add the tag compound to our tag list
+				items.appendTag(item);
+			}
+		}
+		tagcompound.setString("uniqueID", this.uniqueID);
+		// Add the TagList to the ItemStack's Tag Compound with the name "ItemInventory"
+		tagcompound.setTag("ItemInventory", items);
+	}
+}
\ No newline at end of file