GuiCompressor.java

package com.TechDweebGaming.MystTech.client.gui;

import java.util.List;

import net.minecraft.client.gui.inventory.GuiContainer;
import net.minecraft.client.renderer.GlStateManager;
import net.minecraft.inventory.IInventory;
import net.minecraft.util.ResourceLocation;
import net.minecraft.util.StatCollector;

import com.TechDweebGaming.MystTech.gui.ContainerCompressor;
import com.TechDweebGaming.MystTech.reference.Reference;
import com.TechDweebGaming.MystTech.tileentity.CompressorTileEntity;
import com.google.common.collect.Lists;

public class GuiCompressor extends GuiContainer {

	private IInventory playerInv;
	private CompressorTileEntity te;

	//Power Things
	private static final int bar1x = 1;
	private static final int bar2x = 17;
	private static final int barWidth = 14;
	private static final int barHeight = 42;

	public GuiCompressor(IInventory playerInv, CompressorTileEntity te) {
		super(new ContainerCompressor(playerInv, te));

		this.playerInv = playerInv;
		this.te = te;

		this.xSize = 175;
		this.ySize = 165;
	}

	@Override
	protected void drawGuiContainerBackgroundLayer(float partialTicks, int mouseX, int mouseY) {
		GlStateManager.color(1.0f, 1.0f, 1.0f, 1.0f);
		this.mc.getTextureManager().bindTexture(new ResourceLocation("mysttech:textures/gui/Compressor.png"));
		this.drawTexturedModalRect(this.guiLeft, this.guiTop, 0, 0, this.xSize, this.ySize);

		//Energy Bar
		int x = (width - xSize) / 2;
		drawEnergyBar(x + xSize - 14 - 8, 7 + 20, te.getPowerLevel(), te.EnergyLimit);
	}

	@Override
	protected void drawGuiContainerForegroundLayer(int mouseX, int mouseY) {
		String s = this.te.getDisplayName().getUnformattedText();
		this.fontRendererObj.drawString(s, 82 - this.fontRendererObj.getStringWidth(s) / 2, 6, 4210752);
		this.fontRendererObj.drawString(this.playerInv.getDisplayName().getUnformattedText(), 8, 72, 4210752);

		//Bar Tool-Tip
		drawBarTooltip(mouseX, mouseY, xSize - 14 - 8, 20);
	}

	private void drawEnergyBar(int x, int y, int powerLevel, int powerLimit) {
		int bar2height = 1 + powerLevel * (barHeight - 2) / powerLimit;
		int bar1height = barHeight - bar2height;

		mc.renderEngine.bindTexture(new ResourceLocation("mysttech:/textures/gui/Energy.png"));
		drawModalRectWithCustomSizedTexture(x, y, bar1x, 0, barWidth, bar1height, 32, 64);
		drawModalRectWithCustomSizedTexture(x, y + bar1height, bar2x, bar1height, barWidth, bar2height, 32, 64);
	}

	private void drawBarTooltip(int mx, int my, int ox, int oy){
        int x = (width - xSize) / 2;
        int y = (height - ySize) / 2;
        int rx = mx - ox - x;
        int ry = my - oy - y;

        if (rx < 0 || ry < 0 || rx > barWidth || ry > barHeight)
            return;

        List<String> tooltip = Lists.newArrayList();
        tooltip.add(StatCollector.translateToLocal("text." + Reference.MOD_ID + ".compressor.energy.label"));
        tooltip.add(String.format("%d / %d RF", te.getPowerLevel(), te.EnergyLimit));

        drawHoveringText(tooltip, mx - x, my - y);
    }
}