minecraft-kajetans-mod/src/main/java/me/km/networking/CustomInventoryGui.java

package me.km.networking;

import me.km.KajetansMod;
import me.km.inventory.CustomContainer;
import me.km.inventory.InventoryBase;
import net.minecraft.client.renderer.GlStateManager;
import net.minecraft.client.Minecraft;
import net.minecraft.inventory.IInventory;
import net.minecraft.util.ResourceLocation;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;
import net.minecraft.client.gui.inventory.GuiContainer;

@SideOnly(Side.CLIENT)
public class CustomInventoryGui extends GuiContainer
{
    /** The ResourceLocation containing the chest GUI texture. */
    private static final ResourceLocation CHEST_GUI_TEXTURE = new ResourceLocation("textures/gui/container/generic_54.png");
    private static final ResourceLocation EMPTY_TILE = new ResourceLocation(KajetansMod.MODID, "textures/gui/container/empty_tile.png");
    private final IInventory pInv;
    private final InventoryBase inv;
    private final int inventoryRows;

    public CustomInventoryGui(IInventory pInv, InventoryBase inv)
    {
        super(new CustomContainer(inv, Minecraft.getMinecraft().player));
        this.pInv = pInv;
        this.inv = inv;
        this.allowUserInput = false;
        this.inventoryRows = inv.getRows();
        this.ySize = 114 + this.inventoryRows * 18;
    }

    @Override
    public void drawScreen(int mouseX, int mouseY, float partialTicks)
    {
        this.drawDefaultBackground();
        super.drawScreen(mouseX, mouseY, partialTicks);
        this.renderHoveredToolTip(mouseX, mouseY);
    }

    @Override
    protected void drawGuiContainerForegroundLayer(int mouseX, int mouseY)
    {
        this.fontRenderer.drawString(this.inv.getDisplayName().getUnformattedText(), 8, 6, 4210752);
        this.fontRenderer.drawString(this.pInv.getDisplayName().getUnformattedText(), 8, this.ySize - 96 + 2, 4210752);
    }

    @Override
    protected void drawGuiContainerBackgroundLayer(float partialTicks, int mouseX, int mouseY)
    {
        GlStateManager.color(1.0F, 1.0F, 1.0F, 1.0F);
        this.mc.getTextureManager().bindTexture(CHEST_GUI_TEXTURE);
        int i = (this.width - this.xSize) / 2;
        int j = (this.height - this.ySize) / 2;
        this.drawTexturedModalRect(i, j, 0, 0, this.xSize, this.inventoryRows * 18 + 17);
        this.drawTexturedModalRect(i, j + this.inventoryRows * 18 + 17, 0, 126, this.xSize, 96);
        i += 7;
        j += 17;
        this.mc.getTextureManager().bindTexture(EMPTY_TILE);
        for(int x = 0; x < 9; x++)
        {
            for(int y = 0; y < inventoryRows; y++)
            {
                if(inv.shouldRenderOverlay(x, y))
                {
                    this.drawTexturedModalRect(i + 18 * x, j + 18 * y, 0, 0, 18, 18);
                }
            }
        }
    }
}