ContainerForge.java

package minefantasy.mf2.container;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import minefantasy.mf2.block.tileentity.TileEntityForge;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.InventoryPlayer;
import net.minecraft.inventory.Container;
import net.minecraft.inventory.ICrafting;
import net.minecraft.inventory.Slot;
import net.minecraft.item.ItemStack;

public class ContainerForge extends Container
{
    private TileEntityForge tile;
    private int lastTemp;
    
    public ContainerForge(InventoryPlayer user, TileEntityForge tile)
    {
        this.tile = tile;
        int width = 3;
        int height = 3;
        
		this.addSlotToContainer(new Slot(tile, 0, 70 + 18, 14 + 18));
        int i;

        for (i = 0; i < 3; ++i)
        {
            for (int j = 0; j < 9; ++j)
            {
                this.addSlotToContainer(new Slot(user, j + i * 9 + 9, 8 + j * 18, 93 + i * 18));
            }
        }

        for (i = 0; i < 9; ++i)
        {
            this.addSlotToContainer(new Slot(user, i, 8 + i * 18, 151));
        }
    }

    @Override
    public void detectAndSendChanges()
    {
    	for (int i = 0; i < this.crafters.size(); ++i)
        {
            ICrafting icrafting = (ICrafting)this.crafters.get(i);

            if (this.lastTemp != (int)tile.temperature)
            {
                icrafting.sendProgressBarUpdate(this, 0, (int)tile.temperature);
            }
        }
        this.lastTemp = (int)tile.temperature;
        
    	for (int i = 0; i < this.inventorySlots.size(); ++i)
        {
            ItemStack itemstack = ((Slot)this.inventorySlots.get(i)).getStack();
            ItemStack itemstack1 = (ItemStack)this.inventoryItemStacks.get(i);

            if (!ItemStack.areItemStacksEqual(itemstack1, itemstack))
            {
        		tile.onInventoryChanged();
            	
                itemstack1 = itemstack == null ? null : itemstack.copy();
                this.inventoryItemStacks.set(i, itemstack1);

                for (int j = 0; j < this.crafters.size(); ++j)
                {
                    ((ICrafting)this.crafters.get(j)).sendSlotContents(this, i, itemstack1);
                }
            }
        }
    }
    
    @Override
    @SideOnly(Side.CLIENT)
    public void updateProgressBar(int id, int value)
    {
        if (id == 0)
        {
            tile.temperature = value;
        }
    }
    
    @Override
	public boolean canInteractWith(EntityPlayer p_75145_1_)
    {
        return this.tile.isUseableByPlayer(p_75145_1_);
    }
    
    @Override
	public ItemStack transferStackInSlot(EntityPlayer user, int currentSlot)
    {
    	int slotCount = tile.getSizeInventory();
        ItemStack itemstack = null;
        Slot slot = (Slot)this.inventorySlots.get(currentSlot);

        if (slot != null && slot.getHasStack())
        {
            ItemStack itemstack1 = slot.getStack();
            itemstack = itemstack1.copy();

            if (currentSlot < slotCount)
            {
                if (!this.mergeItemStack(itemstack1, slotCount, this.inventorySlots.size(), false))
                {
                    return null;
                }
            }
            else if (!this.mergeItemStack(true, itemstack1, 0, slotCount, false))
            {
                return null;
            }

            if (itemstack1.stackSize <= 0)
            {
                slot.putStack((ItemStack)null);
            }
            else
            {
                slot.onSlotChanged();
            }
        }

        return itemstack;
    }
    
    @Override
    protected boolean mergeItemStack(ItemStack item, int minSlot, int maxSlot, boolean goBackwards)
    {
    	return mergeItemStack(true, item, minSlot, maxSlot, goBackwards);
    }
    protected boolean mergeItemStack(boolean allowStack, ItemStack item, int minSlot, int maxSlot, boolean goBackwards)
    {
        boolean flag1 = false;
        int k = minSlot;

        if (goBackwards)
        {
            k = maxSlot - 1;
        }

        Slot slot;
        ItemStack itemstack1;

        if (allowStack && item.isStackable())
        {
            while (item.stackSize > 0 && (!goBackwards && k < maxSlot || goBackwards && k >= minSlot))
            {
                slot = (Slot)this.inventorySlots.get(k);
                itemstack1 = slot.getStack();

                if (itemstack1 != null && itemstack1.getItem() == item.getItem() && (!item.getHasSubtypes() || item.getItemDamage() == itemstack1.getItemDamage()) && ItemStack.areItemStackTagsEqual(item, itemstack1))
                {
                    int l = itemstack1.stackSize + item.stackSize;

                    if (l <= item.getMaxStackSize())
                    {
                        item.stackSize = 0;
                        itemstack1.stackSize = l;
                        slot.onSlotChanged();
                        flag1 = true;
                    }
                    else if (itemstack1.stackSize < item.getMaxStackSize())
                    {
                        item.stackSize -= item.getMaxStackSize() - itemstack1.stackSize;
                        itemstack1.stackSize = item.getMaxStackSize();
                        slot.onSlotChanged();
                        flag1 = true;
                    }
                }

                if (goBackwards)
                {
                    --k;
                }
                else
                {
                    ++k;
                }
            }
        }

        if (item.stackSize > 0)
        {
            if (goBackwards)
            {
                k = maxSlot - 1;
            }
            else
            {
                k = minSlot;
            }

            while (!goBackwards && k < maxSlot || goBackwards && k >= minSlot)
            {
                slot = (Slot)this.inventorySlots.get(k);
                itemstack1 = slot.getStack();

                if (itemstack1 == null)
                {
                	ItemStack i2 = item.copy();
                	i2.stackSize = 1;
                    slot.putStack(i2);
                    slot.onSlotChanged();
                    item.stackSize--;
                    flag1 = true;
                    break;
                }

                if (goBackwards)
                {
                    --k;
                }
                else
                {
                    ++k;
                }
            }
        }

        return flag1;
    }
}