GuiRangeTrigger.java

package shedar.mods.ic2.nuclearcontrol.gui;

import net.minecraft.client.gui.GuiButton;
import net.minecraft.client.gui.inventory.GuiContainer;
import net.minecraft.inventory.Container;
import net.minecraft.item.ItemStack;
import net.minecraft.util.ResourceLocation;
import net.minecraft.util.StatCollector;

import org.lwjgl.opengl.GL11;

import shedar.mods.ic2.nuclearcontrol.containers.ContainerRangeTrigger;
import shedar.mods.ic2.nuclearcontrol.gui.controls.CompactButton;
import shedar.mods.ic2.nuclearcontrol.gui.controls.GuiRangeTriggerInvertRedstone;
import shedar.mods.ic2.nuclearcontrol.tileentities.TileEntityRangeTrigger;
import shedar.mods.ic2.nuclearcontrol.utils.NuclearNetworkHelper;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;

@SideOnly(Side.CLIENT)
public class GuiRangeTrigger extends GuiContainer {
	private static final String TEXTURE_FILE = "nuclearcontrol:textures/gui/GUIRangeTrigger.png";
	private static final ResourceLocation TEXTURE_LOCATION = new ResourceLocation(TEXTURE_FILE);

	private String name;
	private ContainerRangeTrigger container;
	private ItemStack prevCard;

	public GuiRangeTrigger(Container container){
		super(container);
		ySize = 190;
		this.container = (ContainerRangeTrigger) container;
		name = StatCollector.translateToLocal("tile.blockRangeTrigger.name");
	}

	@SuppressWarnings("unchecked")
	private void initControls() {
		ItemStack card = container.getSlot(TileEntityRangeTrigger.SLOT_CARD).getStack();
		if (card != null && card.equals(prevCard))
			return;
		buttonList.clear();
		prevCard = card;
		// ten digits, up to 10 billions
		for (int i = 0; i < 10; i++) {
			buttonList.add(new CompactButton(i * 10, guiLeft + 30 + i * 12 + (i + 2) / 3 * 6, guiTop + 20, 12, 12, "-"));
			buttonList.add(new CompactButton(i * 10 + 1, guiLeft + 30 + i * 12 + (i + 2) / 3 * 6, guiTop + 42, 12, 12, "+"));
		}
		for (int i = 0; i < 10; i++) {
			buttonList.add(new CompactButton(100 + i * 10, guiLeft + 30 + i * 12 + (i + 2) / 3 * 6, guiTop + 57, 12, 12, "-"));
			buttonList.add(new CompactButton(100 + i * 10 + 1, guiLeft + 30 + i * 12 + (i + 2) / 3 * 6, guiTop + 79, 12, 12, "+"));
		}
		buttonList.add(new GuiRangeTriggerInvertRedstone(10, guiLeft + 8, guiTop + 62, container.trigger));
	}

	@Override
	public void initGui(){
		super.initGui();
		initControls();
	}

	private void renderValue(double value, int x, int y){
		x += 114;
		for (int i = 0; i < 10; i++) {
			byte digit = (byte) (value % 10);
			String str = Byte.toString(digit);
			fontRendererObj.drawString(str, x - 12 * i - fontRendererObj.getCharWidth(str.charAt(0)) / 2 + (9 - i + 2) / 3 * 6, y, 0x404040);
			value /= 10;
		}
	}

	@Override
	protected void actionPerformed(GuiButton button) {
		int id = button.id;
		boolean isPlus = id % 2 == 1;
		id /= 10;
		int power = 9 - (id % 10);
		id /= 10;
		boolean isEnd = id % 2 == 1;
		double initValue = isEnd ? container.trigger.levelEnd : container.trigger.levelStart;
		double newValue = initValue;
		double delta = (long) Math.pow(10, power);
		double digit = (initValue / delta) % 10;
		
		if (isPlus && digit < 9)
			newValue += delta;
		else if (!isPlus && digit > 0)
			newValue -= delta;
		
		if (newValue != initValue) {
			TileEntityRangeTrigger trigger = container.trigger;
			NuclearNetworkHelper.setRangeTrigger(trigger.xCoord, trigger.yCoord, trigger.zCoord, newValue, isEnd);
			
			if (isEnd)
				trigger.setLevelEnd(newValue);
			else
				trigger.setLevelStart(newValue);
		}
	}

	@Override
	protected void drawGuiContainerForegroundLayer(int par1, int par2) {
		fontRendererObj.drawString(name, (xSize - fontRendererObj.getStringWidth(name)) / 2, 6, 0x404040);
		fontRendererObj.drawString(StatCollector.translateToLocal("container.inventory"), 8, (ySize - 96) + 2, 0x404040);

		renderValue(container.trigger.levelStart, 30, 33);
		renderValue(container.trigger.levelEnd, 30, 70);
	}

	@Override
	protected void drawGuiContainerBackgroundLayer(float var1, int var2, int var3) {
		GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
		mc.renderEngine.bindTexture(TEXTURE_LOCATION);
		int left = (width - xSize) / 2;
		int top = (height - ySize) / 2;
		drawTexturedModalRect(left, top, 0, 0, xSize, ySize);
	}
}