CapCompScreen

public class CapCompScreen extends ContainerScreen<CapCompContainer> implements IHasContainer<CapCompContainer> {
    private static final ResourceLocation BUTTON_RIGHT_TEXTURE = Main.getId("textures/gui/container/right.png");
    private static final ResourceLocation BUTTON_LEFT_TEXTURE = Main.getId("textures/gui/container/left.png");
    private final int containerID;
    private final int containerInd;
    private final int xLeft;
    private final int yTop;
    private int newContainerInd;

    public static void register() {
        ScreenManager.registerFactory(ModContainerTypes.MULTI_9X3.get(), CapCompScreen::new);
    }

    /** The ResourceLocation containing the chest GUI texture. */
    private static final ResourceLocation CHEST_GUI_TEXTURE = Main.getId("textures/gui/container/multi_27_default.png");

    public CapCompScreen(CapCompContainer p_i51095_1_, PlayerInventory p_i51095_2_, ITextComponent p_i51095_3_) {
        super(p_i51095_1_, p_i51095_2_, p_i51095_3_);

        this.field_230711_n_ = false;
        this.guiLeft = 0;
        this.guiTop = 0;
        this.xSize = 176;
        this.ySize = 186;
        this.xLeft = this.guiLeft + this.xSize;
        this.yTop = this.guiTop + this.ySize;

        this.field_238742_p_ = 8;  //xTitle
        this.field_238743_q_ = 8;  //yTitle
        this.field_238744_r_ = 8;  //xInventory
        this.field_238745_s_ = 93; //yInventory

        //this.container = p_i51095_1_;
        this.containerInd = p_i51095_1_.getInvInd();
        this.newContainerInd = this.containerInd;
        this.containerID = p_i51095_1_.getID();
    }

    protected void func_231160_c_() {
        super.func_231160_c_();
        this.func_230480_a_(
            new ImageButton(this.guiLeft + this.xSize - 20, this.guiTop - 20 - 6,
                    20, 20,
                    0, 0, 21, BUTTON_RIGHT_TEXTURE, (p_214076_1_) -> {
                this.newContainerInd++;
                if (this.newContainerInd > 15) {
                    this.newContainerInd = 0;
                }
                PacketUpdateContainer packet = new PacketUpdateContainer(this.containerID, this.newContainerInd);
                PacketHandler.sendToServer(packet);
            })
        );
        this.func_230480_a_(
            new ImageButton(this.guiLeft, this.guiTop - 20 - 6,
                20, 20,
                0, 0, 21, BUTTON_LEFT_TEXTURE, (p_214076_1_) -> {
                this.newContainerInd--;
                if (this.newContainerInd < 0) {
                    this.newContainerInd = 15;
                }
                PacketUpdateContainer packet = new PacketUpdateContainer(this.containerID, this.newContainerInd);
                PacketHandler.sendToServer(packet);
            })
        );
    }

    public void func_230430_a_(MatrixStack p_230430_1_, int p_230430_2_, int p_230430_3_, float p_230430_4_) {
        this.func_230446_a_(p_230430_1_);
        super.func_230430_a_(p_230430_1_, p_230430_2_, p_230430_3_, p_230430_4_);
        this.func_230459_a_(p_230430_1_, p_230430_2_, p_230430_3_);
    }

    protected void func_230450_a_(MatrixStack p_230450_1_, float p_230450_2_, int p_230450_3_, int p_230450_4_) {
        RenderSystem.color4f(1.0F, 1.0F, 1.0F, 1.0F);
        this.field_230706_i_.getTextureManager().bindTexture(CHEST_GUI_TEXTURE);
        this.func_238474_b_(p_230450_1_, this.guiLeft, this.guiTop, 0, 0, this.xSize, this.ySize);
    }
}