package net.minecraft.src;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URI;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.Random;
import org.apache.commons.io.Charsets;
import org.lwjgl.opengl.GL11;
import org.lwjgl.util.glu.Project;

public class GuiMainMenu extends GuiScreen
{
    /** The RNG used by the Main Menu Screen. */
    private static final Random rand = new Random();

    /** Counts the number of screen updates. */
    private float updateCounter;

    /** The splash message. */
    private String splashText = "missingno";
    private GuiButton buttonResetDemo;

    /** Timer used to rotate the panorama, increases every tick. */
    private int panoramaTimer;

    /**
     * Texture allocated for the current viewport of the main menu's panorama background.
     */
    private DynamicTexture viewportTexture;
    private boolean field_96141_q = true;
    private static boolean field_96140_r;
    private static boolean field_96139_s;
    private final Object field_104025_t = new Object();
    private String field_92025_p;
    private String field_104024_v;
    private static final ResourceLocation splashTexts = new ResourceLocation("texts/splashes.txt");
    private static final ResourceLocation minecraftTitleTextures = new ResourceLocation("textures/gui/title/minecraft.png");

    /** An array of all the paths to the panorama pictures. */
    private static final ResourceLocation[] titlePanoramaPaths = new ResourceLocation[] {new ResourceLocation("textures/gui/title/background/panorama_0.png"), new ResourceLocation("textures/gui/title/background/panorama_1.png"), new ResourceLocation("textures/gui/title/background/panorama_2.png"), new ResourceLocation("textures/gui/title/background/panorama_3.png"), new ResourceLocation("textures/gui/title/background/panorama_4.png"), new ResourceLocation("textures/gui/title/background/panorama_5.png")};
    public static final String field_96138_a = "Please click " + EnumChatFormatting.UNDERLINE + "here" + EnumChatFormatting.RESET + " for more information.";
    private int field_92024_r;
    private int field_92023_s;
    private int field_92022_t;
    private int field_92021_u;
    private int field_92020_v;
    private int field_92019_w;
    private ResourceLocation field_110351_G;
    private GuiButton minecraftRealmsButton;

    public GuiMainMenu()
    {
        BufferedReader var1 = null;
        String var3;

        try
        {
            ArrayList var2 = new ArrayList();
            var1 = new BufferedReader(new InputStreamReader(Minecraft.getMinecraft().getResourceManager().getResource(splashTexts).getInputStream(), Charsets.UTF_8));

            while ((var3 = var1.readLine()) != null)
            {
                var3 = var3.trim();

                if (!var3.isEmpty())
                {
                    var2.add(var3);
                }
            }

            do
            {
                this.splashText = (String)var2.get(rand.nextInt(var2.size()));
            }
            while (this.splashText.hashCode() == 125780783);
        }
        catch (IOException var12)
        {
            ;
        }
        finally
        {
            if (var1 != null)
            {
                try
                {
                    var1.close();
                }
                catch (IOException var11)
                {
                    ;
                }
            }
        }

        this.updateCounter = rand.nextFloat();
        this.field_92025_p = "";
        String var14 = System.getProperty("os_architecture");
        var3 = System.getProperty("java_version");

        if ("ppc".equalsIgnoreCase(var14))
        {
            this.field_92025_p = "" + EnumChatFormatting.BOLD + "Notice!" + EnumChatFormatting.RESET + " PowerPC compatibility will be dropped in Minecraft 1.6";
            this.field_104024_v = "http://tinyurl.com/javappc";
        }
        else if (var3 != null && var3.startsWith("1.5"))
        {
            this.field_92025_p = "" + EnumChatFormatting.BOLD + "Notice!" + EnumChatFormatting.RESET + " Java 1.5 compatibility will be dropped in Minecraft 1.6";
            this.field_104024_v = "http://tinyurl.com/javappc";
        }
    }

    /**
     * Called from the main game loop to update the screen.
     */
    public void updateScreen()
    {
        ++this.panoramaTimer;
    }

    /**
     * Returns true if this GUI should pause the game when it is displayed in single-player
     */
    public boolean doesGuiPauseGame()
    {
        return false;
    }

    /**
     * Fired when a key is typed. This is the equivalent of KeyListener.keyTyped(KeyEvent e).
     */
    protected void keyTyped(char par1, int par2) {}

    /**
     * Adds the buttons (and other controls) to the screen in question.
     */
    public void initGui()
    {
        this.viewportTexture = new DynamicTexture(256, 256);
        this.field_110351_G = this.mc.getTextureManager().getDynamicTextureLocation("background", this.viewportTexture);
        Calendar var1 = Calendar.getInstance();
        var1.setTime(new Date());

        if (var1.get(2) + 1 == 11 && var1.get(5) == 9)
        {
            this.splashText = "Happy birthday, ez!";
        }
        else if (var1.get(2) + 1 == 6 && var1.get(5) == 1)
        {
            this.splashText = "Happy birthday, Notch!";
        }
        else if (var1.get(2) + 1 == 12 && var1.get(5) == 24)
        {
            this.splashText = "Merry X-mas!";
        }
        else if (var1.get(2) + 1 == 1 && var1.get(5) == 1)
        {
            this.splashText = "Happy new year!";
        }
        else if (var1.get(2) + 1 == 10 && var1.get(5) == 31)
        {
            this.splashText = "OOoooOOOoooo! Spooky!";
        }

        boolean var2 = true;
        int var3 = this.height / 4 + 48;

        if (this.mc.isDemo())
        {
            this.addDemoButtons(var3, 24);
        }
        else
        {
            this.addSingleplayerMultiplayerButtons(var3, 24);
        }

        this.func_130020_g();
        this.buttonList.add(new GuiButton(0, this.width / 2 - 100, var3 + 72 + 12, 98, 20, I18n.getString("menu.options")));
        this.buttonList.add(new GuiButton(4, this.width / 2 + 2, var3 + 72 + 12, 98, 20, I18n.getString("menu.quit")));
        this.buttonList.add(new GuiButtonLanguage(5, this.width / 2 - 124, var3 + 72 + 12));
        Object var4 = this.field_104025_t;

        synchronized (this.field_104025_t)
        {
            this.field_92023_s = this.fontRenderer.getStringWidth(this.field_92025_p);
            this.field_92024_r = this.fontRenderer.getStringWidth(field_96138_a);
            int var5 = Math.max(this.field_92023_s, this.field_92024_r);
            this.field_92022_t = (this.width - var5) / 2;
            this.field_92021_u = ((GuiButton)this.buttonList.get(0)).yPosition - 24;
            this.field_92020_v = this.field_92022_t + var5;
            this.field_92019_w = this.field_92021_u + 24;
        }
    }

    private void func_130020_g()
    {
        if (this.field_96141_q)
        {
            if (!field_96140_r)
            {
                field_96140_r = true;
                (new RunnableTitleScreen(this)).start();
            }
            else if (field_96139_s)
            {
                this.func_130022_h();
            }
        }
    }

    private void func_130022_h()
    {
        this.minecraftRealmsButton.drawButton = true;
    }

    /**
     * Adds Singleplayer and Multiplayer buttons on Main Menu for players who have bought the game.
     */
    private void addSingleplayerMultiplayerButtons(int par1, int par2)
    {
        this.buttonList.add(new GuiButton(1, this.width / 2 - 100, par1, I18n.getString("menu.singleplayer")));
        this.buttonList.add(new GuiButton(2, this.width / 2 - 100, par1 + par2 * 1, I18n.getString("menu.multiplayer")));
        this.buttonList.add(this.minecraftRealmsButton = new GuiButton(14, this.width / 2 - 100, par1 + par2 * 2, I18n.getString("menu.online")));
        this.minecraftRealmsButton.drawButton = false;
    }

    /**
     * Adds Demo buttons on Main Menu for players who are playing Demo.
     */
    private void addDemoButtons(int par1, int par2)
    {
        this.buttonList.add(new GuiButton(11, this.width / 2 - 100, par1, I18n.getString("menu.playdemo")));
        this.buttonList.add(this.buttonResetDemo = new GuiButton(12, this.width / 2 - 100, par1 + par2 * 1, I18n.getString("menu.resetdemo")));
        ISaveFormat var3 = this.mc.getSaveLoader();
        WorldInfo var4 = var3.getWorldInfo("Demo_World");

        if (var4 == null)
        {
            this.buttonResetDemo.enabled = false;
        }
    }

    /**
     * Fired when a control is clicked. This is the equivalent of ActionListener.actionPerformed(ActionEvent e).
     */
    protected void actionPerformed(GuiButton par1GuiButton)
    {
        if (par1GuiButton.id == 0)
        {
            this.mc.displayGuiScreen(new GuiOptions(this, this.mc.gameSettings));
        }

        if (par1GuiButton.id == 5)
        {
            this.mc.displayGuiScreen(new GuiLanguage(this, this.mc.gameSettings, this.mc.getLanguageManager()));
        }

        if (par1GuiButton.id == 1)
        {
            this.mc.displayGuiScreen(new GuiSelectWorld(this));
        }

        if (par1GuiButton.id == 2)
        {
            this.mc.displayGuiScreen(new GuiMultiplayer(this));
        }

        if (par1GuiButton.id == 14 && this.minecraftRealmsButton.drawButton)
        {
            this.func_140005_i();
        }

        if (par1GuiButton.id == 4)
        {
            this.mc.shutdown();
        }

        if (par1GuiButton.id == 11)
        {
            this.mc.launchIntegratedServer("Demo_World", "Demo_World", DemoWorldServer.demoWorldSettings);
        }

        if (par1GuiButton.id == 12)
        {
            ISaveFormat var2 = this.mc.getSaveLoader();
            WorldInfo var3 = var2.getWorldInfo("Demo_World");

            if (var3 != null)
            {
                GuiYesNo var4 = GuiSelectWorld.getDeleteWorldScreen(this, var3.getWorldName(), 12);
                this.mc.displayGuiScreen(var4);
            }
        }
    }

    private void func_140005_i()
    {
        McoClient var1 = new McoClient(this.mc.getSession());

        try
        {
            if (var1.func_140054_c().booleanValue())
            {
                this.mc.displayGuiScreen(new GuiScreenClientOutdated(this));
            }
            else
            {
                this.mc.displayGuiScreen(new GuiScreenOnlineServers(this));
            }
        }
        catch (ExceptionMcoService var3)
        {
            this.mc.getLogAgent().logSevere(var3.toString());
        }
        catch (IOException var4)
        {
            this.mc.getLogAgent().logSevere(var4.getLocalizedMessage());
        }
    }

    public void confirmClicked(boolean par1, int par2)
    {
        if (par1 && par2 == 12)
        {
            ISaveFormat var6 = this.mc.getSaveLoader();
            var6.flushCache();
            var6.deleteWorldDirectory("Demo_World");
            this.mc.displayGuiScreen(this);
        }
        else if (par2 == 13)
        {
            if (par1)
            {
                try
                {
                    Class var3 = Class.forName("java.awt.Desktop");
                    Object var4 = var3.getMethod("getDesktop", new Class[0]).invoke((Object)null, new Object[0]);
                    var3.getMethod("browse", new Class[] {URI.class}).invoke(var4, new Object[] {new URI(this.field_104024_v)});
                }
                catch (Throwable var5)
                {
                    var5.printStackTrace();
                }
            }

            this.mc.displayGuiScreen(this);
        }
    }

    /**
     * Draws the main menu panorama
     */
    private void drawPanorama(int par1, int par2, float par3)
    {
        Tessellator var4 = Tessellator.instance;
        GL11.glMatrixMode(GL11.GL_PROJECTION);
        GL11.glPushMatrix();
        GL11.glLoadIdentity();
        Project.gluPerspective(120.0F, 1.0F, 0.05F, 10.0F);
        GL11.glMatrixMode(GL11.GL_MODELVIEW);
        GL11.glPushMatrix();
        GL11.glLoadIdentity();
        GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
        GL11.glRotatef(180.0F, 1.0F, 0.0F, 0.0F);
        GL11.glEnable(GL11.GL_BLEND);
        GL11.glDisable(GL11.GL_ALPHA_TEST);
        GL11.glDisable(GL11.GL_CULL_FACE);
        GL11.glDepthMask(false);
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
        byte var5 = 8;

        for (int var6 = 0; var6 < var5 * var5; ++var6)
        {
            GL11.glPushMatrix();
            float var7 = ((float)(var6 % var5) / (float)var5 - 0.5F) / 64.0F;
            float var8 = ((float)(var6 / var5) / (float)var5 - 0.5F) / 64.0F;
            float var9 = 0.0F;
            GL11.glTranslatef(var7, var8, var9);
            GL11.glRotatef(MathHelper.sin(((float)this.panoramaTimer + par3) / 400.0F) * 25.0F + 20.0F, 1.0F, 0.0F, 0.0F);
            GL11.glRotatef(-((float)this.panoramaTimer + par3) * 0.1F, 0.0F, 1.0F, 0.0F);

            for (int var10 = 0; var10 < 6; ++var10)
            {
                GL11.glPushMatrix();

                if (var10 == 1)
                {
                    GL11.glRotatef(90.0F, 0.0F, 1.0F, 0.0F);
                }

                if (var10 == 2)
                {
                    GL11.glRotatef(180.0F, 0.0F, 1.0F, 0.0F);
                }

                if (var10 == 3)
                {
                    GL11.glRotatef(-90.0F, 0.0F, 1.0F, 0.0F);
                }

                if (var10 == 4)
                {
                    GL11.glRotatef(90.0F, 1.0F, 0.0F, 0.0F);
                }

                if (var10 == 5)
                {
                    GL11.glRotatef(-90.0F, 1.0F, 0.0F, 0.0F);
                }

                this.mc.getTextureManager().bindTexture(titlePanoramaPaths[var10]);
                var4.startDrawingQuads();
                var4.setColorRGBA_I(16777215, 255 / (var6 + 1));
                float var11 = 0.0F;
                var4.addVertexWithUV(-1.0D, -1.0D, 1.0D, (double)(0.0F + var11), (double)(0.0F + var11));
                var4.addVertexWithUV(1.0D, -1.0D, 1.0D, (double)(1.0F - var11), (double)(0.0F + var11));
                var4.addVertexWithUV(1.0D, 1.0D, 1.0D, (double)(1.0F - var11), (double)(1.0F - var11));
                var4.addVertexWithUV(-1.0D, 1.0D, 1.0D, (double)(0.0F + var11), (double)(1.0F - var11));
                var4.draw();
                GL11.glPopMatrix();
            }

            GL11.glPopMatrix();
            GL11.glColorMask(true, true, true, false);
        }

        var4.setTranslation(0.0D, 0.0D, 0.0D);
        GL11.glColorMask(true, true, true, true);
        GL11.glMatrixMode(GL11.GL_PROJECTION);
        GL11.glPopMatrix();
        GL11.glMatrixMode(GL11.GL_MODELVIEW);
        GL11.glPopMatrix();
        GL11.glDepthMask(true);
        GL11.glEnable(GL11.GL_CULL_FACE);
        GL11.glEnable(GL11.GL_ALPHA_TEST);
        GL11.glEnable(GL11.GL_DEPTH_TEST);
    }

    /**
     * Rotate and blurs the skybox view in the main menu
     */
    private void rotateAndBlurSkybox(float par1)
    {
        this.mc.getTextureManager().bindTexture(this.field_110351_G);
        GL11.glCopyTexSubImage2D(GL11.GL_TEXTURE_2D, 0, 0, 0, 0, 0, 256, 256);
        GL11.glEnable(GL11.GL_BLEND);
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
        GL11.glColorMask(true, true, true, false);
        Tessellator var2 = Tessellator.instance;
        var2.startDrawingQuads();
        byte var3 = 3;

        for (int var4 = 0; var4 < var3; ++var4)
        {
            var2.setColorRGBA_F(1.0F, 1.0F, 1.0F, 1.0F / (float)(var4 + 1));
            int var5 = this.width;
            int var6 = this.height;
            float var7 = (float)(var4 - var3 / 2) / 256.0F;
            var2.addVertexWithUV((double)var5, (double)var6, (double)this.zLevel, (double)(0.0F + var7), 0.0D);
            var2.addVertexWithUV((double)var5, 0.0D, (double)this.zLevel, (double)(1.0F + var7), 0.0D);
            var2.addVertexWithUV(0.0D, 0.0D, (double)this.zLevel, (double)(1.0F + var7), 1.0D);
            var2.addVertexWithUV(0.0D, (double)var6, (double)this.zLevel, (double)(0.0F + var7), 1.0D);
        }

        var2.draw();
        GL11.glColorMask(true, true, true, true);
    }

    /**
     * Renders the skybox in the main menu
     */
    private void renderSkybox(int par1, int par2, float par3)
    {
        GL11.glViewport(0, 0, 256, 256);
        this.drawPanorama(par1, par2, par3);
        GL11.glDisable(GL11.GL_TEXTURE_2D);
        GL11.glEnable(GL11.GL_TEXTURE_2D);
        this.rotateAndBlurSkybox(par3);
        this.rotateAndBlurSkybox(par3);
        this.rotateAndBlurSkybox(par3);
        this.rotateAndBlurSkybox(par3);
        this.rotateAndBlurSkybox(par3);
        this.rotateAndBlurSkybox(par3);
        this.rotateAndBlurSkybox(par3);
        this.rotateAndBlurSkybox(par3);
        GL11.glViewport(0, 0, this.mc.displayWidth, this.mc.displayHeight);
        Tessellator var4 = Tessellator.instance;
        var4.startDrawingQuads();
        float var5 = this.width > this.height ? 120.0F / (float)this.width : 120.0F / (float)this.height;
        float var6 = (float)this.height * var5 / 256.0F;
        float var7 = (float)this.width * var5 / 256.0F;
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
        var4.setColorRGBA_F(1.0F, 1.0F, 1.0F, 1.0F);
        int var8 = this.width;
        int var9 = this.height;
        var4.addVertexWithUV(0.0D, (double)var9, (double)this.zLevel, (double)(0.5F - var6), (double)(0.5F + var7));
        var4.addVertexWithUV((double)var8, (double)var9, (double)this.zLevel, (double)(0.5F - var6), (double)(0.5F - var7));
        var4.addVertexWithUV((double)var8, 0.0D, (double)this.zLevel, (double)(0.5F + var6), (double)(0.5F - var7));
        var4.addVertexWithUV(0.0D, 0.0D, (double)this.zLevel, (double)(0.5F + var6), (double)(0.5F + var7));
        var4.draw();
    }

    /**
     * Draws the screen and all the components in it.
     */
    public void drawScreen(int par1, int par2, float par3)
    {
        this.renderSkybox(par1, par2, par3);
        Tessellator var4 = Tessellator.instance;
        short var5 = 274;
        int var6 = this.width / 2 - var5 / 2;
        byte var7 = 30;
        this.drawGradientRect(0, 0, this.width, this.height, -2130706433, 16777215);
        this.drawGradientRect(0, 0, this.width, this.height, 0, Integer.MIN_VALUE);
        this.mc.getTextureManager().bindTexture(minecraftTitleTextures);
        GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);

        if ((double)this.updateCounter < 1.0E-4D)
        {
            this.drawTexturedModalRect(var6 + 0, var7 + 0, 0, 0, 99, 44);
            this.drawTexturedModalRect(var6 + 99, var7 + 0, 129, 0, 27, 44);
            this.drawTexturedModalRect(var6 + 99 + 26, var7 + 0, 126, 0, 3, 44);
            this.drawTexturedModalRect(var6 + 99 + 26 + 3, var7 + 0, 99, 0, 26, 44);
            this.drawTexturedModalRect(var6 + 155, var7 + 0, 0, 45, 155, 44);
        }
        else
        {
            this.drawTexturedModalRect(var6 + 0, var7 + 0, 0, 0, 155, 44);
            this.drawTexturedModalRect(var6 + 155, var7 + 0, 0, 45, 155, 44);
        }

        var4.setColorOpaque_I(16777215);
        GL11.glPushMatrix();
        GL11.glTranslatef((float)(this.width / 2 + 90), 70.0F, 0.0F);
        GL11.glRotatef(-20.0F, 0.0F, 0.0F, 1.0F);
        float var8 = 1.8F - MathHelper.abs(MathHelper.sin((float)(Minecraft.getSystemTime() % 1000L) / 1000.0F * (float)Math.PI * 2.0F) * 0.1F);
        var8 = var8 * 100.0F / (float)(this.fontRenderer.getStringWidth(this.splashText) + 32);
        GL11.glScalef(var8, var8, var8);
        this.drawCenteredString(this.fontRenderer, this.splashText, 0, -8, 16776960);
        GL11.glPopMatrix();
        String var9 = "Minecraft 1.6.4";

        if (this.mc.isDemo())
        {
            var9 = var9 + " Demo";
        }

        this.drawString(this.fontRenderer, var9, 2, this.height - 10, 16777215);
        String var10 = "Copyright Mojang AB. Do not distribute!";
        this.drawString(this.fontRenderer, var10, this.width - this.fontRenderer.getStringWidth(var10) - 2, this.height - 10, 16777215);

        if (this.field_92025_p != null && this.field_92025_p.length() > 0)
        {
            drawRect(this.field_92022_t - 2, this.field_92021_u - 2, this.field_92020_v + 2, this.field_92019_w - 1, 1428160512);
            this.drawString(this.fontRenderer, this.field_92025_p, this.field_92022_t, this.field_92021_u, 16777215);
            this.drawString(this.fontRenderer, field_96138_a, (this.width - this.field_92024_r) / 2, ((GuiButton)this.buttonList.get(0)).yPosition - 12, 16777215);
        }

        super.drawScreen(par1, par2, par3);
    }

    /**
     * Called when the mouse is clicked.
     */
    protected void mouseClicked(int par1, int par2, int par3)
    {
        super.mouseClicked(par1, par2, par3);
        Object var4 = this.field_104025_t;

        synchronized (this.field_104025_t)
        {
            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)
            {
                GuiConfirmOpenLink var5 = new GuiConfirmOpenLink(this, this.field_104024_v, 13, true);
                var5.func_92026_h();
                this.mc.displayGuiScreen(var5);
            }
        }
    }

    static Minecraft func_110348_a(GuiMainMenu par0GuiMainMenu)
    {
        return par0GuiMainMenu.mc;
    }

    static void func_130021_b(GuiMainMenu par0GuiMainMenu)
    {
        par0GuiMainMenu.func_130022_h();
    }

    static boolean func_110349_a(boolean par0)
    {
        field_96139_s = par0;
        return par0;
    }

    static Minecraft func_130018_c(GuiMainMenu par0GuiMainMenu)
    {
        return par0GuiMainMenu.mc;
    }

    static Minecraft func_130019_d(GuiMainMenu par0GuiMainMenu)
    {
        return par0GuiMainMenu.mc;
    }
}
