Multiple DualHandlers test

MetaTileEntityDistinctInputDual.java

package gregtech.common.metatileentities.multi.multiblockpart;

import gregtech.api.GTValues;
import gregtech.api.capability.DualHandler;
import gregtech.api.capability.impl.FluidTankList;
import gregtech.api.capability.impl.NotifiableFluidTank;
import gregtech.api.capability.impl.NotifiableItemStackHandler;
import gregtech.api.gui.GuiTextures;
import gregtech.api.gui.ModularUI;
import gregtech.api.gui.widgets.SlotWidget;
import gregtech.api.gui.widgets.TankWidget;
import gregtech.api.metatileentity.MetaTileEntity;
import gregtech.api.metatileentity.interfaces.IGregTechTileEntity;
import gregtech.api.metatileentity.multiblock.IMultiblockAbilityPart;
import gregtech.api.metatileentity.multiblock.MultiblockAbility;

import gregtech.api.util.GTUtility;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.util.ResourceLocation;
import net.minecraftforge.fluids.FluidTank;
import net.minecraftforge.items.IItemHandlerModifiable;

import org.jetbrains.annotations.NotNull;

import java.util.Arrays;
import java.util.List;

public class MetaTileEntityDistinctInputDual extends MetaTileEntityMultiblockNotifiablePart implements
                                             IMultiblockAbilityPart<IItemHandlerModifiable> {

    private final IItemHandlerModifiable[] itemHandlers = new IItemHandlerModifiable[2];
    private final FluidTankList[] fluidHandlers = new FluidTankList[2];
    private final DualHandler[] dualHandlers = new DualHandler[2];

    public MetaTileEntityDistinctInputDual(ResourceLocation metaTileEntityId) {
        super(metaTileEntityId, GTValues.LuV, false);

        for (int i = 0; i < itemHandlers.length; i++) {
            itemHandlers[i] = new NotifiableItemStackHandler(this, 4, getController(), false);
        }

        for (int i = 0; i < fluidHandlers.length; i++) {
            FluidTank[] fluidTanks = new FluidTank[2];
            for (int y = 0; y < fluidTanks.length; y++) {
                fluidTanks[y] = new NotifiableFluidTank(32000, this, false);
            }
            fluidHandlers[i] = new FluidTankList(false, fluidTanks);
        }

        for (int i = 0; i < dualHandlers.length; i++) {
            dualHandlers[i] = new DualHandler(itemHandlers[i], fluidHandlers[i], false);
        }
    }

    @SuppressWarnings("deprecation")
    @Override
    protected ModularUI createUI(EntityPlayer entityPlayer) {
        ModularUI.Builder builder = ModularUI.builder(GuiTextures.BACKGROUND, 176, 18 + 54 + 94)
                .label(10, 5, getMetaFullName());

        //First set
        int xStart = 7;
        int yStart = 20;
        builder.widget(new SlotWidget(itemHandlers[0], 0, xStart, yStart)
                .setBackgroundTexture(GuiTextures.SLOT));
        builder.widget(new SlotWidget(itemHandlers[0], 1, xStart + 18, yStart).
                setBackgroundTexture(GuiTextures.SLOT));
        builder.widget(new SlotWidget(itemHandlers[0], 2, xStart, yStart + 18)
                .setBackgroundTexture(GuiTextures.SLOT));
        builder.widget(new SlotWidget(itemHandlers[0], 3, xStart + 18, yStart + 18)
                .setBackgroundTexture(GuiTextures.SLOT));
        builder.widget(new TankWidget(fluidHandlers[0].getTankAt(0), xStart, yStart + 18 * 2, 18, 18)
                .setBackgroundTexture(GuiTextures.FLUID_SLOT)
                .setAlwaysShowFull(true)
                .setContainerClicking(true, true));
        builder.widget(new TankWidget(fluidHandlers[0].getTankAt(1), xStart + 18, yStart + 18 * 2, 18, 18)
                .setBackgroundTexture(GuiTextures.FLUID_SLOT)
                .setAlwaysShowFull(true)
                .setContainerClicking(true, true));

        //Second set
        int xOffset = xStart + 18 * 2 + 20;
        builder.widget(new SlotWidget(itemHandlers[1], 0, xOffset, yStart)
                .setBackgroundTexture(GuiTextures.SLOT));
        builder.widget(new SlotWidget(itemHandlers[1], 1, xOffset + 18, yStart)
                .setBackgroundTexture(GuiTextures.SLOT));
        builder.widget(new SlotWidget(itemHandlers[1], 2, xOffset, yStart + 18)
                .setBackgroundTexture(GuiTextures.SLOT));
        builder.widget(new SlotWidget(itemHandlers[1], 3, xOffset + 18, yStart + 18)
                .setBackgroundTexture(GuiTextures.SLOT));
        builder.widget(new TankWidget(fluidHandlers[1].getTankAt(0), xOffset, yStart + 18 * 2, 18, 18)
                .setBackgroundTexture(GuiTextures.FLUID_SLOT)
                .setAlwaysShowFull(true)
                .setContainerClicking(true, true));
        builder.widget(new TankWidget(fluidHandlers[1].getTankAt(1), xOffset + 18, yStart + 18 * 2, 18, 18)
                .setBackgroundTexture(GuiTextures.FLUID_SLOT)
                .setAlwaysShowFull(true)
                .setContainerClicking(true, true));

        builder.bindPlayerInventory(entityPlayer.inventory, GuiTextures.SLOT, 7, 84);
        return builder.build(getHolder(), entityPlayer);
    }

    @Override
    public MetaTileEntity createMetaTileEntity(IGregTechTileEntity tileEntity) {
        return new MetaTileEntityDistinctInputDual(metaTileEntityId);
    }

    @Override
    public MultiblockAbility<IItemHandlerModifiable> getAbility() {
        return MultiblockAbility.IMPORT_ITEMS;
    }

    @Override
    public void registerAbilities(@NotNull MultiblockAbility<IItemHandlerModifiable> key,
                                  @NotNull List<IItemHandlerModifiable> abilities) {
        abilities.addAll(Arrays.asList(dualHandlers));
    }

    @Override
    public NBTTagCompound writeToNBT(NBTTagCompound data) {
        super.writeToNBT(data);

        for (int i = 0; i < itemHandlers.length; i++) {
            String tag = String.format("inputItem%d", i);
            GTUtility.writeItems(itemHandlers[i], tag, data);
        }

        for (int i = 0; i < fluidHandlers.length; i++) {
            String tag = String.format("inputTank%d", i);
            data.setTag(tag, fluidHandlers[i].serializeNBT());
        }

        return data;
    }

    @Override
    public void readFromNBT(NBTTagCompound data) {
        super.readFromNBT(data);

        for (int i = 0; i < itemHandlers.length; i++) {
            String tag = String.format("inputItem%d", i);
            GTUtility.readItems(itemHandlers[i], tag, data);
        }

        for (int i = 0; i < fluidHandlers.length; i++) {
            String tag = String.format("inputTank%d", i);
            fluidHandlers[i].deserializeNBT(data.getCompoundTag(tag));
        }
    }
}