ITestImpl (2)

package iitest.capability;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.util.text.ITextComponent;
import net.minecraftforge.common.util.Constants;

import java.util.List;

public class ITestImpl implements ITest {
    private int       value = 0;

    private ItemStack[] slot = new ItemStack[1];


    public int getValue() {
        return value;
    }

    public void setValue(int v) {
        value = v;
    }


    public void readNBT(NBTTagCompound nbt) {
        NBTTagList slots = nbt.getTagList("__slots__", Constants.NBT.TAG_COMPOUND);

        for (byte i = 0; i < slots.tagCount(); i++) {
            NBTTagCompound item = slots.getCompoundTagAt(i);
            int s = item.getByte("__slot__");
            slot[s] = new ItemStack(item);
        }

        value = nbt.getInteger("__value__");
    }

    public NBTTagCompound writeNBT() {
        NBTTagList slots = new NBTTagList();

        // Can resize this   v  loop for a real inventory.
        for (byte i = 0; i < 1; i++) {
            if (slot[i] != null) {
                // Calls ItemStack.writeNBT(...)
                NBTTagCompound item = slot[i].serializeNBT();
                item.setByte("__slot__", i);
                slots.appendTag(item);
            }
        }

        NBTTagCompound nbt = new NBTTagCompound();

        nbt.setInteger("__value__", value);
        nbt.setTag("__slots__", slots);

        return nbt;
    }


    @Override
    public int getSizeInventory() {
        return 1;
    }

    @Override
    public boolean isEmpty() {
        return slot[0] == null;
    }

    @Override
    public ItemStack getStackInSlot(int index) {
        if (index == 0 && slot[0] != null)
            return slot[0];
        return ItemStack.EMPTY;
    }

    @Override
    public ItemStack decrStackSize(int index, int count) {
        if (index == 0 && count > 0 && slot[0] != null) {
            ItemStack tmp = this.slot[0].splitStack(count);

            if (this.slot[0].getCount() == 0)
                this.slot[0] = null;

            return tmp;
        }
        return ItemStack.EMPTY;
    }

    @Override
    public ItemStack removeStackFromSlot(int index) {
        if (index == 0 && slot[0] != null) {
            ItemStack tmp = slot[0];
            slot[0] = null;
            return (tmp);
        }
        return ItemStack.EMPTY;
    }

    @Override
    public void setInventorySlotContents(int index, ItemStack stack) {
        if (index == 0)
            this.slot[0] = stack;
    }

    @Override
    public int getInventoryStackLimit() {
        return 64;
    }

    @Override
    public void markDirty() {
        // ???
    }

    @Override
    public boolean isUsableByPlayer(EntityPlayer player) {
        return true;
    }

    @Override
    public void openInventory(EntityPlayer player) {
        // ???
    }

    @Override
    public void closeInventory(EntityPlayer player) {
        // ???
    }

    @Override
    public boolean isItemValidForSlot(int index, ItemStack stack) {
        return true;
    }

    @Override
    public int getField(int id) {
        return 0;
    }

    @Override
    public void setField(int id, int value) {
        // ???
    }

    @Override
    public int getFieldCount() {
        return 0;
    }

    @Override
    public void clear() {
        slot[0] = null;
    }


    @Override
    public String getName() {
        return null;
    }

    @Override
    public boolean hasCustomName() {
        return false;
    }

    @Override
    public ITextComponent getDisplayName() {
        return null;
    }
}