MagicBees/src/main/java/magicbees/client/gui/ContainerEffectJar.java

package magicbees.client.gui;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.inventory.Container;
import net.minecraft.inventory.ICrafting;
import net.minecraft.inventory.Slot;
import net.minecraft.item.ItemStack;

import cpw.mods.fml.common.registry.GameRegistry;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import magicbees.tileentity.TileEntityEffectJar;

public class ContainerEffectJar extends Container {

    public TileEntityEffectJar jar;

    public int lastBeeHealth = 0;
    public int speciesColour = 0xffffff;

    public ContainerEffectJar(TileEntityEffectJar tileEntityEffectJar, EntityPlayer player) {
        this.jar = tileEntityEffectJar;
        this.addSlotToContainer(
                new SlotCustomItems(this.jar, 0, 80, 22, GameRegistry.findItemStack("Forestry", "beeDroneGE", 1)));

        for (int i = 0; i < 3; ++i) {
            for (int j = 0; j < 9; ++j) {
                this.addSlotToContainer(new Slot(player.inventory, j + i * 9 + 9, 8 + j * 18, 74 + i * 18));
            }
        }

        for (int i = 0; i < 9; ++i) {
            this.addSlotToContainer(new Slot(player.inventory, i, 8 + i * 18, 132));
        }
    }

    @Override
    public void addCraftingToCrafters(ICrafting crafting) {
        super.addCraftingToCrafters(crafting);

        crafting.sendProgressBarUpdate(this, 0, this.jar.currentBeeHealth);
        crafting.sendProgressBarUpdate(this, 1, this.jar.currentBeeColour);
    }

    @Override
    public void detectAndSendChanges() {
        super.detectAndSendChanges();

        for (int i = 0; i < this.crafters.size(); ++i) {
            ICrafting crafting = (ICrafting) this.crafters.get(i);

            if (this.lastBeeHealth != this.jar.currentBeeHealth) {
                crafting.sendProgressBarUpdate(this, 0, this.jar.currentBeeHealth);
                this.lastBeeHealth = this.jar.currentBeeHealth;
            }
            if (this.speciesColour != this.jar.currentBeeColour) {
                crafting.sendProgressBarUpdate(this, 1, this.jar.currentBeeColour);
                this.speciesColour = this.jar.currentBeeColour;
            }
        }
    }

    @Override
    @SideOnly(Side.CLIENT)
    public void updateProgressBar(int craftingId, int value) {
        if (craftingId == 0) {
            this.jar.currentBeeHealth = value;
        } else if (craftingId == 1) {
            this.jar.currentBeeColour = value;
        }
    }

    @Override
    public boolean canInteractWith(EntityPlayer entityplayer) {
        return this.jar.isUseableByPlayer(entityplayer);
    }

    @Override
    public ItemStack transferStackInSlot(EntityPlayer player, int slot) {
        Slot itemSlot = this.getSlot(slot);
        boolean clearSlot = false;

        if (itemSlot != null && itemSlot.getHasStack()) {
            ItemStack srcStack = itemSlot.getStack();
            if (slot == 0 && srcStack != null) {
                clearSlot = this.mergeItemStack(srcStack, 1, 36 + 1, false);
            } else {
                if (this.getSlot(0).isItemValid(srcStack)) {
                    clearSlot = this.mergeItemStack(srcStack, 0, 1, false);
                }
            }
        }

        if (clearSlot) {
            itemSlot.putStack(null);
        }
        itemSlot.onSlotChanged();
        player.inventory.markDirty();

        return null;
    }
}