src/main/java/mekanism/client/gui/GuiPasswordEnter.java

package mekanism.client.gui;

import java.io.IOException;

import mekanism.api.Coord4D;
import mekanism.api.EnumColor;
import mekanism.api.energy.IEnergizedItem;
import mekanism.client.sound.SoundHandler;
import mekanism.common.Mekanism;
import mekanism.common.base.IElectricChest;
import mekanism.common.network.PacketElectricChest.ElectricChestMessage;
import mekanism.common.network.PacketElectricChest.ElectricChestPacketType;
import mekanism.common.tile.TileEntityElectricChest;
import mekanism.common.util.LangUtils;
import mekanism.common.util.MekanismUtils;
import mekanism.common.util.MekanismUtils.ResourceType;
import net.minecraft.client.gui.GuiButton;
import net.minecraft.client.gui.GuiScreen;
import net.minecraft.client.gui.GuiTextField;
import net.minecraft.item.ItemStack;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;

import org.lwjgl.input.Keyboard;
import org.lwjgl.opengl.GL11;

@SideOnly(Side.CLIENT)
public class GuiPasswordEnter extends GuiScreen
{
	public int xSize = 176;
	public int ySize = 95;

	public TileEntityElectricChest tileEntity;

	public ItemStack itemStack;

	public boolean isBlock;

	public GuiTextField passwordField;

	public String displayText = EnumColor.BRIGHT_GREEN + LangUtils.localize("gui.password.enterPassword");

	public int ticker = 0;

	public GuiPasswordEnter(TileEntityElectricChest tileentity)
	{
		isBlock = true;
		tileEntity = tileentity;
	}

	public GuiPasswordEnter(ItemStack itemstack)
	{
		isBlock = false;
		itemStack = itemstack;
	}

	@Override
	protected void mouseClicked(int mouseX, int mouseY, int button) throws IOException
	{
		super.mouseClicked(mouseX, mouseY, button);
		passwordField.mouseClicked(mouseX, mouseY, button);
	}

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

		int guiWidth = (width - xSize) / 2;
		int guiHeight = (height - ySize) / 2;

		buttonList.clear();
		buttonList.add(new GuiButton(0, guiWidth + 55, guiHeight + 68, 60, 20, LangUtils.localize("gui.open")));

		passwordField = new GuiTextField(1, fontRendererObj, guiWidth + 45, guiHeight + 50, 80, 12);
		passwordField.setMaxStringLength(12);
		passwordField.setFocused(true);
	}

	@Override
	public void keyTyped(char c, int i) throws IOException
	{
		super.keyTyped(c, i);

		if(i == Keyboard.KEY_RETURN)
		{
			tryOpen();
		}

		passwordField.textboxKeyTyped(c, i);
	}

	@Override
	public boolean doesGuiPauseGame()
	{
		return false;
	}

	@Override
	public void updateScreen()
	{
		passwordField.updateCursorCounter();

		if(ticker > 0)
		{
			ticker--;
		}
		else {
			displayText = EnumColor.BRIGHT_GREEN + LangUtils.localize("gui.password.enterPassword");
		}
	}

	@Override
	protected void actionPerformed(GuiButton guibutton)
	{
		if(guibutton.id == 0)
		{
			tryOpen();
		}
	}

	public void tryOpen()
	{
		if(passwordField.getText() == null || passwordField.getText() == "")
		{
			displayText = EnumColor.DARK_RED + LangUtils.localize("gui.password.fieldsEmpty");
			SoundHandler.playSound("mekanism:etc.Error");
			ticker = 30;
		}
		else if(!getPassword().equals(passwordField.getText()))
		{
			displayText = EnumColor.DARK_RED + LangUtils.localize("gui.password.invalid");
			passwordField.setText("");
			SoundHandler.playSound("mekanism:etc.Error");
			ticker = 30;
		}
		else {
			if(isBlock)
			{
				tileEntity.setEnergy(tileEntity.getEnergy() - 100);
				Mekanism.packetHandler.sendToServer(new ElectricChestMessage(ElectricChestPacketType.SERVER_OPEN, true, true, 0, 0, null, Coord4D.get(tileEntity)));
			}
			else {
				((IEnergizedItem)itemStack.getItem()).setEnergy(itemStack, ((IEnergizedItem)itemStack.getItem()).getEnergy(itemStack) - 100);
				Mekanism.packetHandler.sendToServer(new ElectricChestMessage(ElectricChestPacketType.SERVER_OPEN, true, false, 0, 0, null, null));
			}

			SoundHandler.playSound("mekanism:etc.Success");
		}
	}

	public String getPassword()
	{
		if(isBlock)
		{
			return tileEntity.password;
		}
		else {
			return ((IElectricChest)itemStack.getItem()).getPassword(itemStack);
		}
	}

	@Override
	public void drawScreen(int mouseX, int mouseY, float partialTick)
	{
		drawDefaultBackground();

		GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
		mc.renderEngine.bindTexture(MekanismUtils.getResource(ResourceType.GUI, "GuiPasswordEnter.png"));

		int guiWidth = (width - xSize) / 2;
		int guiHeight = (height - ySize) / 2;

		drawTexturedModalRect(guiWidth, guiHeight, 0, 0, xSize, ySize);
		String actualPass = passwordField.getText();
		String censored = new String(new char[actualPass.length()]).replace("\0", "*");
		passwordField.setText(censored);
		passwordField.drawTextBox();
		passwordField.setText(actualPass);

		super.drawScreen(mouseX, mouseY, partialTick);

		fontRendererObj.drawString(LangUtils.localize("gui.password"), guiWidth + 64, guiHeight + 5, 0x404040);
		fontRendererObj.drawString("Enter:", guiWidth + 45, guiHeight + 40, 0x404040);
		fontRendererObj.drawString(displayText, guiWidth + 37, guiHeight + 19, 0x404040);

		GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
		GL11.glEnable(GL11.GL_CULL_FACE);
		GL11.glEnable(GL11.GL_ALPHA_TEST);
		GL11.glEnable(GL11.GL_DEPTH_TEST);
	}
}