001    package net.minecraft.client.gui;
002    
003    import cpw.mods.fml.client.GuiModList;
004    import cpw.mods.fml.common.FMLCommonHandler;
005    import cpw.mods.fml.common.Side;
006    import cpw.mods.fml.common.asm.SideOnly;
007    import java.awt.image.BufferedImage;
008    import java.io.BufferedReader;
009    import java.io.IOException;
010    import java.io.InputStreamReader;
011    import java.nio.charset.Charset;
012    import java.util.ArrayList;
013    import java.util.Calendar;
014    import java.util.Date;
015    import java.util.List;
016    import java.util.Random;
017    import net.minecraft.client.Minecraft;
018    import net.minecraft.client.renderer.Tessellator;
019    import net.minecraft.client.texturepacks.GuiTexturePacks;
020    import net.minecraft.util.MathHelper;
021    import net.minecraft.util.StringTranslate;
022    import net.minecraft.world.demo.DemoWorldServer;
023    import net.minecraft.world.storage.ISaveFormat;
024    import net.minecraft.world.storage.WorldInfo;
025    import org.lwjgl.opengl.GL11;
026    import org.lwjgl.util.glu.GLU;
027    
028    import com.google.common.base.Strings;
029    import com.google.common.collect.Lists;
030    
031    @SideOnly(Side.CLIENT)
032    public class GuiMainMenu extends GuiScreen
033    {
034        /** The RNG used by the Main Menu Screen. */
035        private static final Random rand = new Random();
036    
037        /** Counts the number of screen updates. */
038        private float updateCounter = 0.0F;
039    
040        /** The splash message. */
041        private String splashText = "missingno";
042        private GuiButton buttonResetDemo;
043    
044        /** Timer used to rotate the panorama, increases every tick. */
045        private int panoramaTimer = 0;
046    
047        /**
048         * Texture allocated for the current viewport of the main menu's panorama background.
049         */
050        private int viewportTexture;
051    
052        /** An array of all the paths to the panorama pictures. */
053        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"};
054    
055        public GuiMainMenu()
056        {
057            BufferedReader var1 = null;
058    
059            try
060            {
061                ArrayList var2 = new ArrayList();
062                var1 = new BufferedReader(new InputStreamReader(GuiMainMenu.class.getResourceAsStream("/title/splashes.txt"), Charset.forName("UTF-8")));
063                String var3;
064    
065                while ((var3 = var1.readLine()) != null)
066                {
067                    var3 = var3.trim();
068    
069                    if (var3.length() > 0)
070                    {
071                        var2.add(var3);
072                    }
073                }
074    
075                do
076                {
077                    this.splashText = (String)var2.get(rand.nextInt(var2.size()));
078                }
079                while (this.splashText.hashCode() == 125780783);
080            }
081            catch (IOException var12)
082            {
083                ;
084            }
085            finally
086            {
087                if (var1 != null)
088                {
089                    try
090                    {
091                        var1.close();
092                    }
093                    catch (IOException var11)
094                    {
095                        ;
096                    }
097                }
098            }
099    
100            this.updateCounter = rand.nextFloat();
101        }
102    
103        /**
104         * Called from the main game loop to update the screen.
105         */
106        public void updateScreen()
107        {
108            ++this.panoramaTimer;
109        }
110    
111        /**
112         * Returns true if this GUI should pause the game when it is displayed in single-player
113         */
114        public boolean doesGuiPauseGame()
115        {
116            return false;
117        }
118    
119        /**
120         * Fired when a key is typed. This is the equivalent of KeyListener.keyTyped(KeyEvent e).
121         */
122        protected void keyTyped(char par1, int par2) {}
123    
124        /**
125         * Adds the buttons (and other controls) to the screen in question.
126         */
127        public void initGui()
128        {
129            this.viewportTexture = this.mc.renderEngine.allocateAndSetupTexture(new BufferedImage(256, 256, 2));
130            Calendar var1 = Calendar.getInstance();
131            var1.setTime(new Date());
132    
133            if (var1.get(2) + 1 == 11 && var1.get(5) == 9)
134            {
135                this.splashText = "Happy birthday, ez!";
136            }
137            else if (var1.get(2) + 1 == 6 && var1.get(5) == 1)
138            {
139                this.splashText = "Happy birthday, Notch!";
140            }
141            else if (var1.get(2) + 1 == 12 && var1.get(5) == 24)
142            {
143                this.splashText = "Merry X-mas!";
144            }
145            else if (var1.get(2) + 1 == 1 && var1.get(5) == 1)
146            {
147                this.splashText = "Happy new year!";
148            }
149            else if (var1.get(2) + 1 == 10 && var1.get(5) == 31)
150            {
151                this.splashText = "OOoooOOOoooo! Spooky!";
152            }
153    
154            StringTranslate var2 = StringTranslate.getInstance();
155            int var4 = this.height / 4 + 48;
156    
157            if (this.mc.isDemo())
158            {
159                this.addDemoButtons(var4, 24, var2);
160            }
161            else
162            {
163                this.addSingleplayerMultiplayerButtons(var4, 24, var2);
164            }
165    
166            this.controlList.add(new GuiButton(3, this.width / 2 - 100, var4 + 48, 98, 20, var2.translateKey("menu.mods")));
167            this.controlList.add(new GuiButton(6, this.width / 2 + 2, var4 + 48, 98, 20, "Mods"));
168    
169            if (this.mc.hideQuitButton)
170            {
171                this.controlList.add(new GuiButton(0, this.width / 2 - 100, var4 + 72, var2.translateKey("menu.options")));
172            }
173            else
174            {
175                this.controlList.add(new GuiButton(0, this.width / 2 - 100, var4 + 72 + 12, 98, 20, var2.translateKey("menu.options")));
176                this.controlList.add(new GuiButton(4, this.width / 2 + 2, var4 + 72 + 12, 98, 20, var2.translateKey("menu.quit")));
177            }
178    
179            this.controlList.add(new GuiButtonLanguage(5, this.width / 2 - 124, var4 + 72 + 12));
180        }
181    
182        /**
183         * Adds Singleplayer and Multiplayer buttons on Main Menu for players who have bought the game.
184         */
185        private void addSingleplayerMultiplayerButtons(int par1, int par2, StringTranslate par3StringTranslate)
186        {
187            this.controlList.add(new GuiButton(1, this.width / 2 - 100, par1, par3StringTranslate.translateKey("menu.singleplayer")));
188            this.controlList.add(new GuiButton(2, this.width / 2 - 100, par1 + par2 * 1, par3StringTranslate.translateKey("menu.multiplayer")));
189        }
190    
191        /**
192         * Adds Demo buttons on Main Menu for players who are playing Demo.
193         */
194        private void addDemoButtons(int par1, int par2, StringTranslate par3StringTranslate)
195        {
196            this.controlList.add(new GuiButton(11, this.width / 2 - 100, par1, par3StringTranslate.translateKey("menu.playdemo")));
197            this.controlList.add(this.buttonResetDemo = new GuiButton(12, this.width / 2 - 100, par1 + par2 * 1, par3StringTranslate.translateKey("menu.resetdemo")));
198            ISaveFormat var4 = this.mc.getSaveLoader();
199            WorldInfo var5 = var4.getWorldInfo("Demo_World");
200    
201            if (var5 == null)
202            {
203                this.buttonResetDemo.enabled = false;
204            }
205        }
206    
207        /**
208         * Fired when a control is clicked. This is the equivalent of ActionListener.actionPerformed(ActionEvent e).
209         */
210        protected void actionPerformed(GuiButton par1GuiButton)
211        {
212            if (par1GuiButton.id == 0)
213            {
214                this.mc.displayGuiScreen(new GuiOptions(this, this.mc.gameSettings));
215            }
216    
217            if (par1GuiButton.id == 5)
218            {
219                this.mc.displayGuiScreen(new GuiLanguage(this, this.mc.gameSettings));
220            }
221    
222            if (par1GuiButton.id == 1)
223            {
224                this.mc.displayGuiScreen(new GuiSelectWorld(this));
225            }
226    
227            if (par1GuiButton.id == 2)
228            {
229                this.mc.displayGuiScreen(new GuiMultiplayer(this));
230            }
231    
232            if (par1GuiButton.id == 3)
233            {
234                this.mc.displayGuiScreen(new GuiTexturePacks(this));
235            }
236    
237            if (par1GuiButton.id == 4)
238            {
239                this.mc.shutdown();
240            }
241    
242            if (par1GuiButton.id == 6)
243            {
244                this.mc.displayGuiScreen(new GuiModList(this));
245            }
246    
247            if (par1GuiButton.id == 11)
248            {
249                this.mc.launchIntegratedServer("Demo_World", "Demo_World", DemoWorldServer.demoWorldSettings);
250            }
251    
252            if (par1GuiButton.id == 12)
253            {
254                ISaveFormat var2 = this.mc.getSaveLoader();
255                WorldInfo var3 = var2.getWorldInfo("Demo_World");
256    
257                if (var3 != null)
258                {
259                    GuiYesNo var4 = GuiSelectWorld.getDeleteWorldScreen(this, var3.getWorldName(), 12);
260                    this.mc.displayGuiScreen(var4);
261                }
262            }
263        }
264    
265        public void confirmClicked(boolean par1, int par2)
266        {
267            if (par1 && par2 == 12)
268            {
269                ISaveFormat var3 = this.mc.getSaveLoader();
270                var3.flushCache();
271                var3.deleteWorldDirectory("Demo_World");
272                this.mc.displayGuiScreen(this);
273            }
274        }
275    
276        /**
277         * Draws the main menu panorama
278         */
279        private void drawPanorama(int par1, int par2, float par3)
280        {
281            Tessellator var4 = Tessellator.instance;
282            GL11.glMatrixMode(GL11.GL_PROJECTION);
283            GL11.glPushMatrix();
284            GL11.glLoadIdentity();
285            GLU.gluPerspective(120.0F, 1.0F, 0.05F, 10.0F);
286            GL11.glMatrixMode(GL11.GL_MODELVIEW);
287            GL11.glPushMatrix();
288            GL11.glLoadIdentity();
289            GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
290            GL11.glRotatef(180.0F, 1.0F, 0.0F, 0.0F);
291            GL11.glEnable(GL11.GL_BLEND);
292            GL11.glDisable(GL11.GL_ALPHA_TEST);
293            GL11.glDisable(GL11.GL_CULL_FACE);
294            GL11.glDepthMask(false);
295            GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
296            byte var5 = 8;
297    
298            for (int var6 = 0; var6 < var5 * var5; ++var6)
299            {
300                GL11.glPushMatrix();
301                float var7 = ((float)(var6 % var5) / (float)var5 - 0.5F) / 64.0F;
302                float var8 = ((float)(var6 / var5) / (float)var5 - 0.5F) / 64.0F;
303                float var9 = 0.0F;
304                GL11.glTranslatef(var7, var8, var9);
305                GL11.glRotatef(MathHelper.sin(((float)this.panoramaTimer + par3) / 400.0F) * 25.0F + 20.0F, 1.0F, 0.0F, 0.0F);
306                GL11.glRotatef(-((float)this.panoramaTimer + par3) * 0.1F, 0.0F, 1.0F, 0.0F);
307    
308                for (int var10 = 0; var10 < 6; ++var10)
309                {
310                    GL11.glPushMatrix();
311    
312                    if (var10 == 1)
313                    {
314                        GL11.glRotatef(90.0F, 0.0F, 1.0F, 0.0F);
315                    }
316    
317                    if (var10 == 2)
318                    {
319                        GL11.glRotatef(180.0F, 0.0F, 1.0F, 0.0F);
320                    }
321    
322                    if (var10 == 3)
323                    {
324                        GL11.glRotatef(-90.0F, 0.0F, 1.0F, 0.0F);
325                    }
326    
327                    if (var10 == 4)
328                    {
329                        GL11.glRotatef(90.0F, 1.0F, 0.0F, 0.0F);
330                    }
331    
332                    if (var10 == 5)
333                    {
334                        GL11.glRotatef(-90.0F, 1.0F, 0.0F, 0.0F);
335                    }
336    
337                    GL11.glBindTexture(GL11.GL_TEXTURE_2D, this.mc.renderEngine.getTexture(titlePanoramaPaths[var10]));
338                    var4.startDrawingQuads();
339                    var4.setColorRGBA_I(16777215, 255 / (var6 + 1));
340                    float var11 = 0.0F;
341                    var4.addVertexWithUV(-1.0D, -1.0D, 1.0D, (double)(0.0F + var11), (double)(0.0F + var11));
342                    var4.addVertexWithUV(1.0D, -1.0D, 1.0D, (double)(1.0F - var11), (double)(0.0F + var11));
343                    var4.addVertexWithUV(1.0D, 1.0D, 1.0D, (double)(1.0F - var11), (double)(1.0F - var11));
344                    var4.addVertexWithUV(-1.0D, 1.0D, 1.0D, (double)(0.0F + var11), (double)(1.0F - var11));
345                    var4.draw();
346                    GL11.glPopMatrix();
347                }
348    
349                GL11.glPopMatrix();
350                GL11.glColorMask(true, true, true, false);
351            }
352    
353            var4.setTranslation(0.0D, 0.0D, 0.0D);
354            GL11.glColorMask(true, true, true, true);
355            GL11.glMatrixMode(GL11.GL_PROJECTION);
356            GL11.glPopMatrix();
357            GL11.glMatrixMode(GL11.GL_MODELVIEW);
358            GL11.glPopMatrix();
359            GL11.glDepthMask(true);
360            GL11.glEnable(GL11.GL_CULL_FACE);
361            GL11.glEnable(GL11.GL_ALPHA_TEST);
362            GL11.glEnable(GL11.GL_DEPTH_TEST);
363        }
364    
365        /**
366         * Rotate and blurs the skybox view in the main menu
367         */
368        private void rotateAndBlurSkybox(float par1)
369        {
370            GL11.glBindTexture(GL11.GL_TEXTURE_2D, this.viewportTexture);
371            GL11.glCopyTexSubImage2D(GL11.GL_TEXTURE_2D, 0, 0, 0, 0, 0, 256, 256);
372            GL11.glEnable(GL11.GL_BLEND);
373            GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
374            GL11.glColorMask(true, true, true, false);
375            Tessellator var2 = Tessellator.instance;
376            var2.startDrawingQuads();
377            byte var3 = 3;
378    
379            for (int var4 = 0; var4 < var3; ++var4)
380            {
381                var2.setColorRGBA_F(1.0F, 1.0F, 1.0F, 1.0F / (float)(var4 + 1));
382                int var5 = this.width;
383                int var6 = this.height;
384                float var7 = (float)(var4 - var3 / 2) / 256.0F;
385                var2.addVertexWithUV((double)var5, (double)var6, (double)this.zLevel, (double)(0.0F + var7), 0.0D);
386                var2.addVertexWithUV((double)var5, 0.0D, (double)this.zLevel, (double)(1.0F + var7), 0.0D);
387                var2.addVertexWithUV(0.0D, 0.0D, (double)this.zLevel, (double)(1.0F + var7), 1.0D);
388                var2.addVertexWithUV(0.0D, (double)var6, (double)this.zLevel, (double)(0.0F + var7), 1.0D);
389            }
390    
391            var2.draw();
392            GL11.glColorMask(true, true, true, true);
393        }
394    
395        /**
396         * Renders the skybox in the main menu
397         */
398        private void renderSkybox(int par1, int par2, float par3)
399        {
400            GL11.glViewport(0, 0, 256, 256);
401            this.drawPanorama(par1, par2, par3);
402            GL11.glDisable(GL11.GL_TEXTURE_2D);
403            GL11.glEnable(GL11.GL_TEXTURE_2D);
404            this.rotateAndBlurSkybox(par3);
405            this.rotateAndBlurSkybox(par3);
406            this.rotateAndBlurSkybox(par3);
407            this.rotateAndBlurSkybox(par3);
408            this.rotateAndBlurSkybox(par3);
409            this.rotateAndBlurSkybox(par3);
410            this.rotateAndBlurSkybox(par3);
411            this.rotateAndBlurSkybox(par3);
412            GL11.glViewport(0, 0, this.mc.displayWidth, this.mc.displayHeight);
413            Tessellator var4 = Tessellator.instance;
414            var4.startDrawingQuads();
415            float var5 = this.width > this.height ? 120.0F / (float)this.width : 120.0F / (float)this.height;
416            float var6 = (float)this.height * var5 / 256.0F;
417            float var7 = (float)this.width * var5 / 256.0F;
418            GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
419            GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
420            var4.setColorRGBA_F(1.0F, 1.0F, 1.0F, 1.0F);
421            int var8 = this.width;
422            int var9 = this.height;
423            var4.addVertexWithUV(0.0D, (double)var9, (double)this.zLevel, (double)(0.5F - var6), (double)(0.5F + var7));
424            var4.addVertexWithUV((double)var8, (double)var9, (double)this.zLevel, (double)(0.5F - var6), (double)(0.5F - var7));
425            var4.addVertexWithUV((double)var8, 0.0D, (double)this.zLevel, (double)(0.5F + var6), (double)(0.5F - var7));
426            var4.addVertexWithUV(0.0D, 0.0D, (double)this.zLevel, (double)(0.5F + var6), (double)(0.5F + var7));
427            var4.draw();
428        }
429    
430        /**
431         * Draws the screen and all the components in it.
432         */
433        public void drawScreen(int par1, int par2, float par3)
434        {
435            this.renderSkybox(par1, par2, par3);
436            Tessellator var4 = Tessellator.instance;
437            short var5 = 274;
438            int var6 = this.width / 2 - var5 / 2;
439            byte var7 = 30;
440            this.drawGradientRect(0, 0, this.width, this.height, -2130706433, 16777215);
441            this.drawGradientRect(0, 0, this.width, this.height, 0, Integer.MIN_VALUE);
442            GL11.glBindTexture(GL11.GL_TEXTURE_2D, this.mc.renderEngine.getTexture("/title/mclogo.png"));
443            GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
444    
445            if ((double)this.updateCounter < 1.0E-4D)
446            {
447                this.drawTexturedModalRect(var6 + 0, var7 + 0, 0, 0, 99, 44);
448                this.drawTexturedModalRect(var6 + 99, var7 + 0, 129, 0, 27, 44);
449                this.drawTexturedModalRect(var6 + 99 + 26, var7 + 0, 126, 0, 3, 44);
450                this.drawTexturedModalRect(var6 + 99 + 26 + 3, var7 + 0, 99, 0, 26, 44);
451                this.drawTexturedModalRect(var6 + 155, var7 + 0, 0, 45, 155, 44);
452            }
453            else
454            {
455                this.drawTexturedModalRect(var6 + 0, var7 + 0, 0, 0, 155, 44);
456                this.drawTexturedModalRect(var6 + 155, var7 + 0, 0, 45, 155, 44);
457            }
458    
459            var4.setColorOpaque_I(16777215);
460            GL11.glPushMatrix();
461            GL11.glTranslatef((float)(this.width / 2 + 90), 70.0F, 0.0F);
462            GL11.glRotatef(-20.0F, 0.0F, 0.0F, 1.0F);
463            float var8 = 1.8F - MathHelper.abs(MathHelper.sin((float)(Minecraft.getSystemTime() % 1000L) / 1000.0F * (float)Math.PI * 2.0F) * 0.1F);
464            var8 = var8 * 100.0F / (float)(this.fontRenderer.getStringWidth(this.splashText) + 32);
465            GL11.glScalef(var8, var8, var8);
466            this.drawCenteredString(this.fontRenderer, this.splashText, 0, -8, 16776960);
467            GL11.glPopMatrix();
468            String var9 = "Minecraft 1.4.5";
469    
470            if (this.mc.isDemo())
471            {
472                var9 = var9 + " Demo";
473            }
474    
475            List<String> brandings = Lists.reverse(FMLCommonHandler.instance().getBrandings());
476            for (int i = 0; i < brandings.size(); i++)
477            {
478                String brd = brandings.get(i);
479                if (!Strings.isNullOrEmpty(brd))
480                {
481                    this.drawString(this.fontRenderer, brd, 2, this.height - ( 10 + i * (this.fontRenderer.FONT_HEIGHT + 1)), 16777215);
482                }
483            }
484    
485            String var10 = "Copyright Mojang AB. Do not distribute!";
486            this.drawString(this.fontRenderer, var10, this.width - this.fontRenderer.getStringWidth(var10) - 2, this.height - 10, 16777215);
487            super.drawScreen(par1, par2, par3);
488        }
489    }