    001package net.minecraft.client.gui;
    002
    003import cpw.mods.fml.client.GuiModList;
    004import cpw.mods.fml.common.FMLCommonHandler;
    005import cpw.mods.fml.relauncher.Side;
    006import cpw.mods.fml.relauncher.SideOnly;
    007import java.awt.image.BufferedImage;
    008import java.io.BufferedReader;
    009import java.io.IOException;
    010import java.io.InputStreamReader;
    011import java.net.URI;
    012import java.nio.charset.Charset;
    013import java.util.ArrayList;
    014import java.util.Calendar;
    015import java.util.Date;
    016import java.util.List;
    017import java.util.Random;
    018import net.minecraft.client.Minecraft;
    019import net.minecraft.client.renderer.Tessellator;
    020import net.minecraft.client.texturepacks.GuiTexturePacks;
    021import net.minecraft.util.MathHelper;
    022import net.minecraft.util.StringTranslate;
    023import net.minecraft.world.demo.DemoWorldServer;
    024import net.minecraft.world.storage.ISaveFormat;
    025import net.minecraft.world.storage.WorldInfo;
    026import org.lwjgl.opengl.GL11;
    027import org.lwjgl.util.glu.GLU;
    028
    029import com.google.common.base.Strings;
    030import com.google.common.collect.Lists;
    031
    032@SideOnly(Side.CLIENT)
    033public class GuiMainMenu extends GuiScreen
    034{
    035    /** The RNG used by the Main Menu Screen. */
    036    private static final Random rand = new Random();
    037
    038    /** Counts the number of screen updates. */
    039    private float updateCounter = 0.0F;
    040
    041    /** The splash message. */
    042    private String splashText = "missingno";
    043    private GuiButton buttonResetDemo;
    044
    045    /** Timer used to rotate the panorama, increases every tick. */
    046    private int panoramaTimer = 0;
    047
    048    /**
    049     * Texture allocated for the current viewport of the main menu's panorama background.
    050     */
    051    private int viewportTexture;
    052    private String field_92025_p;
    053
    054    /** An array of all the paths to the panorama pictures. */
    055    private static final String[] titlePanoramaPaths = new String[] {"/title/bg/panorama0.png", "/title/bg/panorama1.png", "/title/bg/panorama2.png", "/title/bg/panorama3.png", "/title/bg/panorama4.png", "/title/bg/panorama5.png"};
    056    private int field_92024_r;
    057    private int field_92023_s;
    058    private int field_92022_t;
    059    private int field_92021_u;
    060    private int field_92020_v;
    061    private int field_92019_w;
    062
    063    public GuiMainMenu()
    064    {
    065        BufferedReader var1 = null;
    066
    067        try
    068        {
    069            ArrayList var2 = new ArrayList();
    070            var1 = new BufferedReader(new InputStreamReader(GuiMainMenu.class.getResourceAsStream("/title/splashes.txt"), Charset.forName("UTF-8")));
    071            String var3;
    072
    073            while ((var3 = var1.readLine()) != null)
    074            {
    075                var3 = var3.trim();
    076
    077                if (var3.length() > 0)
    078                {
    079                    var2.add(var3);
    080                }
    081            }
    082
    083            do
    084            {
    085                this.splashText = (String)var2.get(rand.nextInt(var2.size()));
    086            }
    087            while (this.splashText.hashCode() == 125780783);
    088        }
    089        catch (IOException var12)
    090        {
    091            ;
    092        }
    093        finally
    094        {
    095            if (var1 != null)
    096            {
    097                try
    098                {
    099                    var1.close();
    100                }
    101                catch (IOException var11)
    102                {
    103                    ;
    104                }
    105            }
    106        }
    107
    108        this.updateCounter = rand.nextFloat();
    109    }
    110
    111    /**
    112     * Called from the main game loop to update the screen.
    113     */
    114    public void updateScreen()
    115    {
    116        ++this.panoramaTimer;
    117    }
    118
    119    /**
    120     * Returns true if this GUI should pause the game when it is displayed in single-player
    121     */
    122    public boolean doesGuiPauseGame()
    123    {
    124        return false;
    125    }
    126
    127    /**
    128     * Fired when a key is typed. This is the equivalent of KeyListener.keyTyped(KeyEvent e).
    129     */
    130    protected void keyTyped(char par1, int par2) {}
    131
    132    /**
    133     * Adds the buttons (and other controls) to the screen in question.
    134     */
    135    public void initGui()
    136    {
    137        this.viewportTexture = this.mc.renderEngine.allocateAndSetupTexture(new BufferedImage(256, 256, 2));
    138        Calendar var1 = Calendar.getInstance();
    139        var1.setTime(new Date());
    140
    141        if (var1.get(2) + 1 == 11 && var1.get(5) == 9)
    142        {
    143            this.splashText = "Happy birthday, ez!";
    144        }
    145        else if (var1.get(2) + 1 == 6 && var1.get(5) == 1)
    146        {
    147            this.splashText = "Happy birthday, Notch!";
    148        }
    149        else if (var1.get(2) + 1 == 12 && var1.get(5) == 24)
    150        {
    151            this.splashText = "Merry X-mas!";
    152        }
    153        else if (var1.get(2) + 1 == 1 && var1.get(5) == 1)
    154        {
    155            this.splashText = "Happy new year!";
    156        }
    157        else if (var1.get(2) + 1 == 10 && var1.get(5) == 31)
    158        {
    159            this.splashText = "OOoooOOOoooo! Spooky!";
    160        }
    161
    162        StringTranslate var2 = StringTranslate.getInstance();
    163        int var4 = this.height / 4 + 48;
    164
    165        if (this.mc.isDemo())
    166        {
    167            this.addDemoButtons(var4, 24, var2);
    168        }
    169        else
    170        {
    171            this.addSingleplayerMultiplayerButtons(var4, 24, var2);
    172        }
    173
    174        this.controlList.add(new GuiButton(3, this.width / 2 - 100, var4 + 48, 98, 20, var2.translateKey("menu.mods")));
    175        this.controlList.add(new GuiButton(6, this.width / 2 + 2, var4 + 48, 98, 20, "Mods"));
    176
    177        if (this.mc.hideQuitButton)
    178        {
    179            this.controlList.add(new GuiButton(0, this.width / 2 - 100, var4 + 72, var2.translateKey("menu.options")));
    180        }
    181        else
    182        {
    183            this.controlList.add(new GuiButton(0, this.width / 2 - 100, var4 + 72 + 12, 98, 20, var2.translateKey("menu.options")));
    184            this.controlList.add(new GuiButton(4, this.width / 2 + 2, var4 + 72 + 12, 98, 20, var2.translateKey("menu.quit")));
    185        }
    186
    187        this.controlList.add(new GuiButtonLanguage(5, this.width / 2 - 124, var4 + 72 + 12));
    188        this.field_92025_p = "";
    189        String var5 = System.getProperty("os_architecture");
    190        String var6 = System.getProperty("java_version");
    191
    192        if ("ppc".equalsIgnoreCase(var5))
    193        {
    194            this.field_92025_p = "\u00a7lNotice!\u00a7r PowerPC compatibility will be dropped in Minecraft 1.6";
    195        }
    196        else if (var6 != null && var6.startsWith("1.5"))
    197        {
    198            this.field_92025_p = "\u00a7lNotice!\u00a7r Java 1.5 compatibility will be dropped in Minecraft 1.6";
    199        }
    200
    201        this.field_92023_s = this.fontRenderer.getStringWidth(this.field_92025_p);
    202        this.field_92024_r = this.fontRenderer.getStringWidth("Please click \u00a7nhere\u00a7r for more information.");
    203        int var7 = Math.max(this.field_92023_s, this.field_92024_r);
    204        this.field_92022_t = (this.width - var7) / 2;
    205        this.field_92021_u = ((GuiButton)this.controlList.get(0)).yPosition - 24;
    206        this.field_92020_v = this.field_92022_t + var7;
    207        this.field_92019_w = this.field_92021_u + 24;
    208    }
    209
    210    /**
    211     * Adds Singleplayer and Multiplayer buttons on Main Menu for players who have bought the game.
    212     */
    213    private void addSingleplayerMultiplayerButtons(int par1, int par2, StringTranslate par3StringTranslate)
    214    {
    215        this.controlList.add(new GuiButton(1, this.width / 2 - 100, par1, par3StringTranslate.translateKey("menu.singleplayer")));
    216        this.controlList.add(new GuiButton(2, this.width / 2 - 100, par1 + par2 * 1, par3StringTranslate.translateKey("menu.multiplayer")));
    217    }
    218
    219    /**
    220     * Adds Demo buttons on Main Menu for players who are playing Demo.
    221     */
    222    private void addDemoButtons(int par1, int par2, StringTranslate par3StringTranslate)
    223    {
    224        this.controlList.add(new GuiButton(11, this.width / 2 - 100, par1, par3StringTranslate.translateKey("menu.playdemo")));
    225        this.controlList.add(this.buttonResetDemo = new GuiButton(12, this.width / 2 - 100, par1 + par2 * 1, par3StringTranslate.translateKey("menu.resetdemo")));
    226        ISaveFormat var4 = this.mc.getSaveLoader();
    227        WorldInfo var5 = var4.getWorldInfo("Demo_World");
    228
    229        if (var5 == null)
    230        {
    231            this.buttonResetDemo.enabled = false;
    232        }
    233    }
    234
    235    /**
    236     * Fired when a control is clicked. This is the equivalent of ActionListener.actionPerformed(ActionEvent e).
    237     */
    238    protected void actionPerformed(GuiButton par1GuiButton)
    239    {
    240        if (par1GuiButton.id == 0)
    241        {
    242            this.mc.displayGuiScreen(new GuiOptions(this, this.mc.gameSettings));
    243        }
    244
    245        if (par1GuiButton.id == 5)
    246        {
    247            this.mc.displayGuiScreen(new GuiLanguage(this, this.mc.gameSettings));
    248        }
    249
    250        if (par1GuiButton.id == 1)
    251        {
    252            this.mc.displayGuiScreen(new GuiSelectWorld(this));
    253        }
    254
    255        if (par1GuiButton.id == 2)
    256        {
    257            this.mc.displayGuiScreen(new GuiMultiplayer(this));
    258        }
    259
    260        if (par1GuiButton.id == 3)
    261        {
    262            this.mc.displayGuiScreen(new GuiTexturePacks(this));
    263        }
    264
    265        if (par1GuiButton.id == 4)
    266        {
    267            this.mc.shutdown();
    268        }
    269
    270        if (par1GuiButton.id == 6)
    271        {
    272            this.mc.displayGuiScreen(new GuiModList(this));
    273        }
    274
    275        if (par1GuiButton.id == 11)
    276        {
    277            this.mc.launchIntegratedServer("Demo_World", "Demo_World", DemoWorldServer.demoWorldSettings);
    278        }
    279
    280        if (par1GuiButton.id == 12)
    281        {
    282            ISaveFormat var2 = this.mc.getSaveLoader();
    283            WorldInfo var3 = var2.getWorldInfo("Demo_World");
    284
    285            if (var3 != null)
    286            {
    287                GuiYesNo var4 = GuiSelectWorld.getDeleteWorldScreen(this, var3.getWorldName(), 12);
    288                this.mc.displayGuiScreen(var4);
    289            }
    290        }
    291    }
    292
    293    public void confirmClicked(boolean par1, int par2)
    294    {
    295        if (par1 && par2 == 12)
    296        {
    297            ISaveFormat var6 = this.mc.getSaveLoader();
    298            var6.flushCache();
    299            var6.deleteWorldDirectory("Demo_World");
    300            this.mc.displayGuiScreen(this);
    301        }
    302        else if (par2 == 13)
    303        {
    304            if (par1)
    305            {
    306                try
    307                {
    308                    Class var3 = Class.forName("java.awt.Desktop");
    309                    Object var4 = var3.getMethod("getDesktop", new Class[0]).invoke((Object)null, new Object[0]);
    310                    var3.getMethod("browse", new Class[] {URI.class}).invoke(var4, new Object[] {new URI("http://tinyurl.com/javappc")});
    311                }
    312                catch (Throwable var5)
    313                {
    314                    var5.printStackTrace();
    315                }
    316            }
    317
    318            this.mc.displayGuiScreen(this);
    319        }
    320    }
    321
    322    /**
    323     * Draws the main menu panorama
    324     */
    325    private void drawPanorama(int par1, int par2, float par3)
    326    {
    327        Tessellator var4 = Tessellator.instance;
    328        GL11.glMatrixMode(GL11.GL_PROJECTION);
    329        GL11.glPushMatrix();
    330        GL11.glLoadIdentity();
    331        GLU.gluPerspective(120.0F, 1.0F, 0.05F, 10.0F);
    332        GL11.glMatrixMode(GL11.GL_MODELVIEW);
    333        GL11.glPushMatrix();
    334        GL11.glLoadIdentity();
    335        GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
    336        GL11.glRotatef(180.0F, 1.0F, 0.0F, 0.0F);
    337        GL11.glEnable(GL11.GL_BLEND);
    338        GL11.glDisable(GL11.GL_ALPHA_TEST);
    339        GL11.glDisable(GL11.GL_CULL_FACE);
    340        GL11.glDepthMask(false);
    341        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    342        byte var5 = 8;
    343
    344        for (int var6 = 0; var6 < var5 * var5; ++var6)
    345        {
    346            GL11.glPushMatrix();
    347            float var7 = ((float)(var6 % var5) / (float)var5 - 0.5F) / 64.0F;
    348            float var8 = ((float)(var6 / var5) / (float)var5 - 0.5F) / 64.0F;
    349            float var9 = 0.0F;
    350            GL11.glTranslatef(var7, var8, var9);
    351            GL11.glRotatef(MathHelper.sin(((float)this.panoramaTimer + par3) / 400.0F) * 25.0F + 20.0F, 1.0F, 0.0F, 0.0F);
    352            GL11.glRotatef(-((float)this.panoramaTimer + par3) * 0.1F, 0.0F, 1.0F, 0.0F);
    353
    354            for (int var10 = 0; var10 < 6; ++var10)
    355            {
    356                GL11.glPushMatrix();
    357
    358                if (var10 == 1)
    359                {
    360                    GL11.glRotatef(90.0F, 0.0F, 1.0F, 0.0F);
    361                }
    362
    363                if (var10 == 2)
    364                {
    365                    GL11.glRotatef(180.0F, 0.0F, 1.0F, 0.0F);
    366                }
    367
    368                if (var10 == 3)
    369                {
    370                    GL11.glRotatef(-90.0F, 0.0F, 1.0F, 0.0F);
    371                }
    372
    373                if (var10 == 4)
    374                {
    375                    GL11.glRotatef(90.0F, 1.0F, 0.0F, 0.0F);
    376                }
    377
    378                if (var10 == 5)
    379                {
    380                    GL11.glRotatef(-90.0F, 1.0F, 0.0F, 0.0F);
    381                }
    382
    383                GL11.glBindTexture(GL11.GL_TEXTURE_2D, this.mc.renderEngine.getTexture(titlePanoramaPaths[var10]));
    384                var4.startDrawingQuads();
    385                var4.setColorRGBA_I(16777215, 255 / (var6 + 1));
    386                float var11 = 0.0F;
    387                var4.addVertexWithUV(-1.0D, -1.0D, 1.0D, (double)(0.0F + var11), (double)(0.0F + var11));
    388                var4.addVertexWithUV(1.0D, -1.0D, 1.0D, (double)(1.0F - var11), (double)(0.0F + var11));
    389                var4.addVertexWithUV(1.0D, 1.0D, 1.0D, (double)(1.0F - var11), (double)(1.0F - var11));
    390                var4.addVertexWithUV(-1.0D, 1.0D, 1.0D, (double)(0.0F + var11), (double)(1.0F - var11));
    391                var4.draw();
    392                GL11.glPopMatrix();
    393            }
    394
    395            GL11.glPopMatrix();
    396            GL11.glColorMask(true, true, true, false);
    397        }
    398
    399        var4.setTranslation(0.0D, 0.0D, 0.0D);
    400        GL11.glColorMask(true, true, true, true);
    401        GL11.glMatrixMode(GL11.GL_PROJECTION);
    402        GL11.glPopMatrix();
    403        GL11.glMatrixMode(GL11.GL_MODELVIEW);
    404        GL11.glPopMatrix();
    405        GL11.glDepthMask(true);
    406        GL11.glEnable(GL11.GL_CULL_FACE);
    407        GL11.glEnable(GL11.GL_ALPHA_TEST);
    408        GL11.glEnable(GL11.GL_DEPTH_TEST);
    409    }
    410
    411    /**
    412     * Rotate and blurs the skybox view in the main menu
    413     */
    414    private void rotateAndBlurSkybox(float par1)
    415    {
    416        GL11.glBindTexture(GL11.GL_TEXTURE_2D, this.viewportTexture);
    417        GL11.glCopyTexSubImage2D(GL11.GL_TEXTURE_2D, 0, 0, 0, 0, 0, 256, 256);
    418        GL11.glEnable(GL11.GL_BLEND);
    419        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    420        GL11.glColorMask(true, true, true, false);
    421        Tessellator var2 = Tessellator.instance;
    422        var2.startDrawingQuads();
    423        byte var3 = 3;
    424
    425        for (int var4 = 0; var4 < var3; ++var4)
    426        {
    427            var2.setColorRGBA_F(1.0F, 1.0F, 1.0F, 1.0F / (float)(var4 + 1));
    428            int var5 = this.width;
    429            int var6 = this.height;
    430            float var7 = (float)(var4 - var3 / 2) / 256.0F;
    431            var2.addVertexWithUV((double)var5, (double)var6, (double)this.zLevel, (double)(0.0F + var7), 0.0D);
    432            var2.addVertexWithUV((double)var5, 0.0D, (double)this.zLevel, (double)(1.0F + var7), 0.0D);
    433            var2.addVertexWithUV(0.0D, 0.0D, (double)this.zLevel, (double)(1.0F + var7), 1.0D);
    434            var2.addVertexWithUV(0.0D, (double)var6, (double)this.zLevel, (double)(0.0F + var7), 1.0D);
    435        }
    436
    437        var2.draw();
    438        GL11.glColorMask(true, true, true, true);
    439    }
    440
    441    /**
    442     * Renders the skybox in the main menu
    443     */
    444    private void renderSkybox(int par1, int par2, float par3)
    445    {
    446        GL11.glViewport(0, 0, 256, 256);
    447        this.drawPanorama(par1, par2, par3);
    448        GL11.glDisable(GL11.GL_TEXTURE_2D);
    449        GL11.glEnable(GL11.GL_TEXTURE_2D);
    450        this.rotateAndBlurSkybox(par3);
    451        this.rotateAndBlurSkybox(par3);
    452        this.rotateAndBlurSkybox(par3);
    453        this.rotateAndBlurSkybox(par3);
    454        this.rotateAndBlurSkybox(par3);
    455        this.rotateAndBlurSkybox(par3);
    456        this.rotateAndBlurSkybox(par3);
    457        this.rotateAndBlurSkybox(par3);
    458        GL11.glViewport(0, 0, this.mc.displayWidth, this.mc.displayHeight);
    459        Tessellator var4 = Tessellator.instance;
    460        var4.startDrawingQuads();
    461        float var5 = this.width > this.height ? 120.0F / (float)this.width : 120.0F / (float)this.height;
    462        float var6 = (float)this.height * var5 / 256.0F;
    463        float var7 = (float)this.width * var5 / 256.0F;
    464        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
    465        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
    466        var4.setColorRGBA_F(1.0F, 1.0F, 1.0F, 1.0F);
    467        int var8 = this.width;
    468        int var9 = this.height;
    469        var4.addVertexWithUV(0.0D, (double)var9, (double)this.zLevel, (double)(0.5F - var6), (double)(0.5F + var7));
    470        var4.addVertexWithUV((double)var8, (double)var9, (double)this.zLevel, (double)(0.5F - var6), (double)(0.5F - var7));
    471        var4.addVertexWithUV((double)var8, 0.0D, (double)this.zLevel, (double)(0.5F + var6), (double)(0.5F - var7));
    472        var4.addVertexWithUV(0.0D, 0.0D, (double)this.zLevel, (double)(0.5F + var6), (double)(0.5F + var7));
    473        var4.draw();
    474    }
    475
    476    /**
    477     * Draws the screen and all the components in it.
    478     */
    479    public void drawScreen(int par1, int par2, float par3)
    480    {
    481        this.renderSkybox(par1, par2, par3);
    482        Tessellator var4 = Tessellator.instance;
    483        short var5 = 274;
    484        int var6 = this.width / 2 - var5 / 2;
    485        byte var7 = 30;
    486        this.drawGradientRect(0, 0, this.width, this.height, -2130706433, 16777215);
    487        this.drawGradientRect(0, 0, this.width, this.height, 0, Integer.MIN_VALUE);
    488        GL11.glBindTexture(GL11.GL_TEXTURE_2D, this.mc.renderEngine.getTexture("/title/mclogo.png"));
    489        GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
    490
    491        if ((double)this.updateCounter < 1.0E-4D)
    492        {
    493            this.drawTexturedModalRect(var6 + 0, var7 + 0, 0, 0, 99, 44);
    494            this.drawTexturedModalRect(var6 + 99, var7 + 0, 129, 0, 27, 44);
    495            this.drawTexturedModalRect(var6 + 99 + 26, var7 + 0, 126, 0, 3, 44);
    496            this.drawTexturedModalRect(var6 + 99 + 26 + 3, var7 + 0, 99, 0, 26, 44);
    497            this.drawTexturedModalRect(var6 + 155, var7 + 0, 0, 45, 155, 44);
    498        }
    499        else
    500        {
    501            this.drawTexturedModalRect(var6 + 0, var7 + 0, 0, 0, 155, 44);
    502            this.drawTexturedModalRect(var6 + 155, var7 + 0, 0, 45, 155, 44);
    503        }
    504
    505        var4.setColorOpaque_I(16777215);
    506        GL11.glPushMatrix();
    507        GL11.glTranslatef((float)(this.width / 2 + 90), 70.0F, 0.0F);
    508        GL11.glRotatef(-20.0F, 0.0F, 0.0F, 1.0F);
    509        float var8 = 1.8F - MathHelper.abs(MathHelper.sin((float)(Minecraft.getSystemTime() % 1000L) / 1000.0F * (float)Math.PI * 2.0F) * 0.1F);
    510        var8 = var8 * 100.0F / (float)(this.fontRenderer.getStringWidth(this.splashText) + 32);
    511        GL11.glScalef(var8, var8, var8);
    512        this.drawCenteredString(this.fontRenderer, this.splashText, 0, -8, 16776960);
    513        GL11.glPopMatrix();
    514        String var9 = "Minecraft 1.4.7";
    515
    516        if (this.mc.isDemo())
    517        {
    518            var9 = var9 + " Demo";
    519        }
    520
    521        List<String> brandings = Lists.reverse(FMLCommonHandler.instance().getBrandings());
    522        for (int i = 0; i < brandings.size(); i++)
    523        {
    524            String brd = brandings.get(i);
    525            if (!Strings.isNullOrEmpty(brd))
    526            {
    527                this.drawString(this.fontRenderer, brd, 2, this.height - ( 10 + i * (this.fontRenderer.FONT_HEIGHT + 1)), 16777215);
    528            }
    529        }
    530
    531        String var10 = "Copyright Mojang AB. Do not distribute!";
    532        this.drawString(this.fontRenderer, var10, this.width - this.fontRenderer.getStringWidth(var10) - 2, this.height - 10, 16777215);
    533
    534        if (this.field_92025_p != null && this.field_92025_p.length() > 0)
    535        {
    536            drawRect(this.field_92022_t - 2, this.field_92021_u - 2, this.field_92020_v + 2, this.field_92019_w - 1, 1428160512);
    537            this.drawString(this.fontRenderer, this.field_92025_p, this.field_92022_t, this.field_92021_u, 16777215);
    538            this.drawString(this.fontRenderer, "Please click \u00a7nhere\u00a7r for more information.", (this.width - this.field_92024_r) / 2, ((GuiButton)this.controlList.get(0)).yPosition - 12, 16777215);
    539        }
    540
    541        super.drawScreen(par1, par2, par3);
    542    }
    543
    544    /**
    545     * Called when the mouse is clicked.
    546     */
    547    protected void mouseClicked(int par1, int par2, int par3)
    548    {
    549        super.mouseClicked(par1, par2, par3);
    550
    551        if (this.field_92025_p.length() > 0 && par1 >= this.field_92022_t && par1 <= this.field_92020_v && par2 >= this.field_92021_u && par2 <= this.field_92019_w)
    552        {
    553            GuiConfirmOpenLink var4 = new GuiConfirmOpenLink(this, "http://tinyurl.com/javappc", 13);
    554            var4.func_92026_h();
    555            this.mc.displayGuiScreen(var4);
    556        }
    557    }
    558}