electrodynamics/archive/java/dark/lib/prefab/invgui/InvChest.java

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package dark.lib.prefab.invgui;
import net.minecraft.entity.Entity;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.tileentity.TileEntity;
import net.minecraftforge.common.ForgeDirection;
import dark.lib.interfaces.IExternalInv;
import dark.lib.interfaces.IInvBox;
public class InvChest implements IInvBox
{
/** Access able slots side all */
protected int[] openSlots;
/** Items contained in this inv */
protected ItemStack[] containedItems;
/** Host tileEntity */
protected TileEntity hostTile;
/** Host tileEntity as external inv */
protected IExternalInv inv;
/** Default slot max count */
protected final int slots;
public InvChest(TileEntity chest, IExternalInv inv, int slots)
{
this.hostTile = chest;
this.slots = slots;
this.inv = inv;
}
public InvChest(TileEntity chest, int slots)
{
this(chest, ((IExternalInv) chest), slots);
}
public InvChest(Entity entity, int i)
{
this.slots = i;
this.inv = (IExternalInv) entity;
}
@Override
public int getSizeInventory()
{
return slots;
}
@Override
public ItemStack getStackInSlot(int slot)
{
return this.getContainedItems()[slot];
}
@Override
public ItemStack decrStackSize(int slot, int ammount)
{
if (this.getContainedItems()[slot] != null)
{
ItemStack var3;
if (this.getContainedItems()[slot].stackSize <= ammount)
{
var3 = this.getContainedItems()[slot];
this.getContainedItems()[slot] = null;
this.onInventoryChanged();
return var3;
}
else
{
var3 = this.getContainedItems()[slot].splitStack(ammount);
if (this.getContainedItems()[slot].stackSize == 0)
{
this.getContainedItems()[slot] = null;
}
this.onInventoryChanged();
return var3;
}
}
else
{
return null;
}
}
@Override
public ItemStack getStackInSlotOnClosing(int par1)
{
if (this.getContainedItems()[par1] != null)
{
ItemStack var2 = this.getContainedItems()[par1];
this.getContainedItems()[par1] = null;
return var2;
}
else
{
return null;
}
}
@Override
public void setInventorySlotContents(int par1, ItemStack par2ItemStack)
{
this.getContainedItems()[par1] = par2ItemStack;
if (par2ItemStack != null && par2ItemStack.stackSize > this.getInventoryStackLimit())
{
par2ItemStack.stackSize = this.getInventoryStackLimit();
}
this.onInventoryChanged();
}
@Override
public String getInvName()
{
return "container.chest";
}
@Override
public void openChest()
{
}
@Override
public void closeChest()
{
}
@Override
public boolean isInvNameLocalized()
{
return false;
}
@Override
public boolean isItemValidForSlot(int i, ItemStack itemstack)
{
if (i >= this.getSizeInventory())
{
return false;
}
return true;
}
@Override
public int[] getAccessibleSlotsFromSide(int var1)
{
if (openSlots == null || openSlots.length != this.getSizeInventory())
{
this.openSlots = new int[this.getSizeInventory()];
for (int i = 0; i < this.openSlots.length; i++)
{
openSlots[i] = i;
}
}
return this.openSlots;
}
@Override
public boolean canInsertItem(int i, ItemStack itemstack, int j)
{
return this.isItemValidForSlot(i, itemstack) && this.inv.canStore(itemstack, i, ForgeDirection.getOrientation(j));
}
@Override
public boolean canExtractItem(int i, ItemStack itemstack, int j)
{
return this.inv.canRemove(itemstack, i, ForgeDirection.getOrientation(j));
}
@Override
public int getInventoryStackLimit()
{
return 64;
}
@Override
public void onInventoryChanged()
{
if (this.hostTile != null)
{
this.hostTile.onInventoryChanged();
}
}
@Override
public boolean isUseableByPlayer(EntityPlayer par1EntityPlayer)
{
if (this.hostTile != null)
{
return this.hostTile.worldObj.getBlockTileEntity(this.hostTile.xCoord, this.hostTile.yCoord, this.hostTile.zCoord) != this.hostTile ? false : par1EntityPlayer.getDistanceSq(this.hostTile.xCoord + 0.5D, this.hostTile.yCoord + 0.5D, this.hostTile.zCoord + 0.5D) <= 64.0D;
}
return true;
}
@Override
public ItemStack[] getContainedItems()
{
if (this.containedItems == null)
{
this.containedItems = new ItemStack[this.getSizeInventory()];
}
return this.containedItems;
}
@Override
public NBTTagCompound saveInv(NBTTagCompound nbt)
{
NBTTagList itemList = new NBTTagList();
for (int s = 0; s < this.getContainedItems().length; ++s)
{
if (this.getContainedItems()[s] != null)
{
NBTTagCompound tag = new NBTTagCompound();
tag.setByte("Slot", (byte) s);
this.getContainedItems()[s].writeToNBT(tag);
itemList.appendTag(tag);
}
}
nbt.setTag("Items", itemList);
return nbt;
}
@Override
public void loadInv(NBTTagCompound nbt)
{
// chest inv reading
NBTTagList itemList = nbt.getTagList("Items");
for (int s = 0; s < itemList.tagCount(); ++s)
{
NBTTagCompound tag = (NBTTagCompound) itemList.tagAt(s);
int slotID = tag.getByte("Slot") & 255;
if (slotID >= 0 && slotID < this.getContainedItems().length)
{
this.getContainedItems()[slotID] = ItemStack.loadItemStackFromNBT(tag);
}
}
}
@Override
public void clear()
{
this.containedItems = null;
this.getContainedItems();
}
}