CustomNPC-Plus/src/main/java/noppes/npcs/containers/ContainerNPCFollowerSetup.java

package noppes.npcs.containers;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.inventory.Container;
import net.minecraft.inventory.Slot;
import net.minecraft.item.ItemStack;
import noppes.npcs.entity.EntityNPCInterface;
import noppes.npcs.roles.RoleFollower;

public class ContainerNPCFollowerSetup extends Container {
    private RoleFollower role;

    public ContainerNPCFollowerSetup(EntityNPCInterface npc, EntityPlayer player) {
        role = (RoleFollower) npc.roleInterface;

        for (int i1 = 0; i1 < 3; i1++)
            addSlotToContainer(new Slot(role.inventory, i1, 44, 39 + i1 * 25));

        for (int i1 = 0; i1 < 3; i1++) {
            for (int l1 = 0; l1 < 9; l1++) {
                addSlotToContainer(new Slot(player.inventory, l1 + i1 * 9 + 9, 8 + l1 * 18, 113 + i1 * 18));
            }

        }

        for (int j1 = 0; j1 < 9; j1++) {
            addSlotToContainer(new Slot(player.inventory, j1, 8 + j1 * 18, 171));
        }
    }

    @Override
    public ItemStack transferStackInSlot(EntityPlayer par1EntityPlayer, int i) {
        ItemStack itemstack = null;
        Slot slot = (Slot) inventorySlots.get(i);
        if (slot != null && slot.getHasStack()) {
            ItemStack itemstack1 = slot.getStack();
            itemstack = itemstack1.copy();
            if (i >= 0 && i < 3) {
                if (!mergeItemStack(itemstack1, 3, 38, true)) {
                    return null;
                }
            } else if (i >= 3 && i < 30) {
                if (!mergeItemStack(itemstack1, 30, 38, false)) {
                    return null;
                }
            } else if (i >= 30 && i < 38) {
                if (!mergeItemStack(itemstack1, 3, 29, false)) {
                    return null;
                }
            } else if (!mergeItemStack(itemstack1, 3, 38, false)) {
                return null;
            }
            if (itemstack1.stackSize == 0) {
                slot.putStack(null);
            } else {
                slot.onSlotChanged();
            }
            if (itemstack1.stackSize != itemstack.stackSize) {
                slot.onPickupFromSlot(par1EntityPlayer, itemstack1);
            } else {
                return null;
            }
        }
        return itemstack;
    }

    @Override
    public boolean canInteractWith(EntityPlayer entityplayer) {
        return true;
    }
}