    001package net.minecraft.client.gui.inventory;
    002
    003import cpw.mods.fml.relauncher.Side;
    004import cpw.mods.fml.relauncher.SideOnly;
    005import net.minecraft.block.Block;
    006import net.minecraft.client.gui.GuiButton;
    007import net.minecraft.client.gui.GuiScreen;
    008import net.minecraft.client.multiplayer.NetClientHandler;
    009import net.minecraft.client.renderer.tileentity.TileEntityRenderer;
    010import net.minecraft.network.packet.Packet130UpdateSign;
    011import net.minecraft.tileentity.TileEntitySign;
    012import net.minecraft.util.ChatAllowedCharacters;
    013import org.lwjgl.input.Keyboard;
    014import org.lwjgl.opengl.GL11;
    015
    016@SideOnly(Side.CLIENT)
    017public class GuiEditSign extends GuiScreen
    018{
    019    /**
    020     * This String is just a local copy of the characters allowed in text rendering of minecraft.
    021     */
    022    private static final String allowedCharacters = ChatAllowedCharacters.allowedCharacters;
    023
    024    /** The title string that is displayed in the top-center of the screen. */
    025    protected String screenTitle = "Edit sign message:";
    026
    027    /** Reference to the sign object. */
    028    private TileEntitySign entitySign;
    029
    030    /** Counts the number of screen updates. */
    031    private int updateCounter;
    032
    033    /** The number of the line that is being edited. */
    034    private int editLine = 0;
    035
    036    public GuiEditSign(TileEntitySign par1TileEntitySign)
    037    {
    038        this.entitySign = par1TileEntitySign;
    039    }
    040
    041    /**
    042     * Adds the buttons (and other controls) to the screen in question.
    043     */
    044    public void initGui()
    045    {
    046        this.controlList.clear();
    047        Keyboard.enableRepeatEvents(true);
    048        this.controlList.add(new GuiButton(0, this.width / 2 - 100, this.height / 4 + 120, "Done"));
    049        this.entitySign.setEditable(false);
    050    }
    051
    052    /**
    053     * Called when the screen is unloaded. Used to disable keyboard repeat events
    054     */
    055    public void onGuiClosed()
    056    {
    057        Keyboard.enableRepeatEvents(false);
    058        NetClientHandler var1 = this.mc.getSendQueue();
    059
    060        if (var1 != null)
    061        {
    062            var1.addToSendQueue(new Packet130UpdateSign(this.entitySign.xCoord, this.entitySign.yCoord, this.entitySign.zCoord, this.entitySign.signText));
    063        }
    064
    065        this.entitySign.setEditable(true);
    066    }
    067
    068    /**
    069     * Called from the main game loop to update the screen.
    070     */
    071    public void updateScreen()
    072    {
    073        ++this.updateCounter;
    074    }
    075
    076    /**
    077     * Fired when a control is clicked. This is the equivalent of ActionListener.actionPerformed(ActionEvent e).
    078     */
    079    protected void actionPerformed(GuiButton par1GuiButton)
    080    {
    081        if (par1GuiButton.enabled)
    082        {
    083            if (par1GuiButton.id == 0)
    084            {
    085                this.entitySign.onInventoryChanged();
    086                this.mc.displayGuiScreen((GuiScreen)null);
    087            }
    088        }
    089    }
    090
    091    /**
    092     * Fired when a key is typed. This is the equivalent of KeyListener.keyTyped(KeyEvent e).
    093     */
    094    protected void keyTyped(char par1, int par2)
    095    {
    096        if (par2 == 200)
    097        {
    098            this.editLine = this.editLine - 1 & 3;
    099        }
    100
    101        if (par2 == 208 || par2 == 28)
    102        {
    103            this.editLine = this.editLine + 1 & 3;
    104        }
    105
    106        if (par2 == 14 && this.entitySign.signText[this.editLine].length() > 0)
    107        {
    108            this.entitySign.signText[this.editLine] = this.entitySign.signText[this.editLine].substring(0, this.entitySign.signText[this.editLine].length() - 1);
    109        }
    110
    111        if (allowedCharacters.indexOf(par1) >= 0 && this.entitySign.signText[this.editLine].length() < 15)
    112        {
    113            this.entitySign.signText[this.editLine] = this.entitySign.signText[this.editLine] + par1;
    114        }
    115    }
    116
    117    /**
    118     * Draws the screen and all the components in it.
    119     */
    120    public void drawScreen(int par1, int par2, float par3)
    121    {
    122        this.drawDefaultBackground();
    123        this.drawCenteredString(this.fontRenderer, this.screenTitle, this.width / 2, 40, 16777215);
    124        GL11.glPushMatrix();
    125        GL11.glTranslatef((float)(this.width / 2), 0.0F, 50.0F);
    126        float var4 = 93.75F;
    127        GL11.glScalef(-var4, -var4, -var4);
    128        GL11.glRotatef(180.0F, 0.0F, 1.0F, 0.0F);
    129        Block var5 = this.entitySign.getBlockType();
    130
    131        if (var5 == Block.signPost)
    132        {
    133            float var6 = (float)(this.entitySign.getBlockMetadata() * 360) / 16.0F;
    134            GL11.glRotatef(var6, 0.0F, 1.0F, 0.0F);
    135            GL11.glTranslatef(0.0F, -1.0625F, 0.0F);
    136        }
    137        else
    138        {
    139            int var8 = this.entitySign.getBlockMetadata();
    140            float var7 = 0.0F;
    141
    142            if (var8 == 2)
    143            {
    144                var7 = 180.0F;
    145            }
    146
    147            if (var8 == 4)
    148            {
    149                var7 = 90.0F;
    150            }
    151
    152            if (var8 == 5)
    153            {
    154                var7 = -90.0F;
    155            }
    156
    157            GL11.glRotatef(var7, 0.0F, 1.0F, 0.0F);
    158            GL11.glTranslatef(0.0F, -1.0625F, 0.0F);
    159        }
    160
    161        if (this.updateCounter / 6 % 2 == 0)
    162        {
    163            this.entitySign.lineBeingEdited = this.editLine;
    164        }
    165
    166        TileEntityRenderer.instance.renderTileEntityAt(this.entitySign, -0.5D, -0.75D, -0.5D, 0.0F);
    167        this.entitySign.lineBeingEdited = -1;
    168        GL11.glPopMatrix();
    169        super.drawScreen(par1, par2, par3);
    170    }
    171}