001    package net.minecraft.src;
002    
003    import cpw.mods.fml.common.Side;
004    import cpw.mods.fml.common.asm.SideOnly;
005    import java.awt.image.BufferedImage;
006    import java.io.BufferedReader;
007    import java.io.IOException;
008    import java.io.InputStreamReader;
009    import java.nio.charset.Charset;
010    import java.util.ArrayList;
011    import java.util.Calendar;
012    import java.util.Date;
013    import java.util.List;
014    import java.util.Random;
015    import net.minecraft.client.Minecraft;
016    import org.lwjgl.opengl.GL11;
017    import org.lwjgl.util.glu.GLU;
018    
019    import com.google.common.base.Strings;
020    import com.google.common.collect.Lists;
021    
022    import cpw.mods.fml.client.GuiModList;
023    import cpw.mods.fml.common.FMLCommonHandler;
024    
025    @SideOnly(Side.CLIENT)
026    public class GuiMainMenu extends GuiScreen
027    {
028        /** The RNG used by the Main Menu Screen. */
029        private static final Random rand = new Random();
030    
031        /** Counts the number of screen updates. */
032        private float updateCounter = 0.0F;
033    
034        /** The splash message. */
035        private String splashText = "missingno";
036        private GuiButton buttonResetDemo;
037    
038        /** Timer used to rotate the panorama, increases every tick. */
039        private int panoramaTimer = 0;
040    
041        /**
042         * Texture allocated for the current viewport of the main menu's panorama background.
043         */
044        private int viewportTexture;
045    
046        /** An array of all the paths to the panorama pictures. */
047        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"};
048    
049        public GuiMainMenu()
050        {
051            BufferedReader var1 = null;
052    
053            try
054            {
055                ArrayList var2 = new ArrayList();
056                var1 = new BufferedReader(new InputStreamReader(GuiMainMenu.class.getResourceAsStream("/title/splashes.txt"), Charset.forName("UTF-8")));
057                String var3;
058    
059                while ((var3 = var1.readLine()) != null)
060                {
061                    var3 = var3.trim();
062    
063                    if (var3.length() > 0)
064                    {
065                        var2.add(var3);
066                    }
067                }
068    
069                do
070                {
071                    this.splashText = (String)var2.get(rand.nextInt(var2.size()));
072                }
073                while (this.splashText.hashCode() == 125780783);
074            }
075            catch (IOException var12)
076            {
077                ;
078            }
079            finally
080            {
081                if (var1 != null)
082                {
083                    try
084                    {
085                        var1.close();
086                    }
087                    catch (IOException var11)
088                    {
089                        ;
090                    }
091                }
092            }
093    
094            this.updateCounter = rand.nextFloat();
095        }
096    
097        /**
098         * Called from the main game loop to update the screen.
099         */
100        public void updateScreen()
101        {
102            ++this.panoramaTimer;
103        }
104    
105        /**
106         * Returns true if this GUI should pause the game when it is displayed in single-player
107         */
108        public boolean doesGuiPauseGame()
109        {
110            return false;
111        }
112    
113        /**
114         * Fired when a key is typed. This is the equivalent of KeyListener.keyTyped(KeyEvent e).
115         */
116        protected void keyTyped(char par1, int par2) {}
117    
118        /**
119         * Adds the buttons (and other controls) to the screen in question.
120         */
121        public void initGui()
122        {
123            this.viewportTexture = this.mc.renderEngine.allocateAndSetupTexture(new BufferedImage(256, 256, 2));
124            Calendar var1 = Calendar.getInstance();
125            var1.setTime(new Date());
126    
127            if (var1.get(2) + 1 == 11 && var1.get(5) == 9)
128            {
129                this.splashText = "Happy birthday, ez!";
130            }
131            else if (var1.get(2) + 1 == 6 && var1.get(5) == 1)
132            {
133                this.splashText = "Happy birthday, Notch!";
134            }
135            else if (var1.get(2) + 1 == 12 && var1.get(5) == 24)
136            {
137                this.splashText = "Merry X-mas!";
138            }
139            else if (var1.get(2) + 1 == 1 && var1.get(5) == 1)
140            {
141                this.splashText = "Happy new year!";
142            }
143            else if (var1.get(2) + 1 == 10 && var1.get(5) == 31)
144            {
145                this.splashText = "OOoooOOOoooo! Spooky!";
146            }
147    
148            StringTranslate var2 = StringTranslate.getInstance();
149            int var4 = this.height / 4 + 48;
150    
151            if (this.mc.isDemo())
152            {
153                this.addDemoButtons(var4, 24, var2);
154            }
155            else
156            {
157                this.addSingleplayerMultiplayerButtons(var4, 24, var2);
158            }
159    
160            this.controlList.add(new GuiButton(3, this.width / 2 - 100, var4 + 48, 98, 20, var2.translateKey("menu.mods")));
161            this.controlList.add(new GuiButton(6, this.width / 2 + 2, var4 + 48, 98, 20, "Mods"));
162    
163            if (this.mc.hideQuitButton)
164            {
165                this.controlList.add(new GuiButton(0, this.width / 2 - 100, var4 + 72, var2.translateKey("menu.options")));
166            }
167            else
168            {
169                this.controlList.add(new GuiButton(0, this.width / 2 - 100, var4 + 72 + 12, 98, 20, var2.translateKey("menu.options")));
170                this.controlList.add(new GuiButton(4, this.width / 2 + 2, var4 + 72 + 12, 98, 20, var2.translateKey("menu.quit")));
171            }
172    
173            this.controlList.add(new GuiButtonLanguage(5, this.width / 2 - 124, var4 + 72 + 12));
174        }
175    
176        /**
177         * Adds Singleplayer and Multiplayer buttons on Main Menu for players who have bought the game.
178         */
179        private void addSingleplayerMultiplayerButtons(int par1, int par2, StringTranslate par3StringTranslate)
180        {
181            this.controlList.add(new GuiButton(1, this.width / 2 - 100, par1, par3StringTranslate.translateKey("menu.singleplayer")));
182            this.controlList.add(new GuiButton(2, this.width / 2 - 100, par1 + par2 * 1, par3StringTranslate.translateKey("menu.multiplayer")));
183        }
184    
185        /**
186         * Adds Demo buttons on Main Menu for players who are playing Demo.
187         */
188        private void addDemoButtons(int par1, int par2, StringTranslate par3StringTranslate)
189        {
190            this.controlList.add(new GuiButton(11, this.width / 2 - 100, par1, par3StringTranslate.translateKey("menu.playdemo")));
191            this.controlList.add(this.buttonResetDemo = new GuiButton(12, this.width / 2 - 100, par1 + par2 * 1, par3StringTranslate.translateKey("menu.resetdemo")));
192            ISaveFormat var4 = this.mc.getSaveLoader();
193            WorldInfo var5 = var4.getWorldInfo("Demo_World");
194    
195            if (var5 == null)
196            {
197                this.buttonResetDemo.enabled = false;
198            }
199        }
200    
201        /**
202         * Fired when a control is clicked. This is the equivalent of ActionListener.actionPerformed(ActionEvent e).
203         */
204        protected void actionPerformed(GuiButton par1GuiButton)
205        {
206            if (par1GuiButton.id == 0)
207            {
208                this.mc.displayGuiScreen(new GuiOptions(this, this.mc.gameSettings));
209            }
210    
211            if (par1GuiButton.id == 5)
212            {
213                this.mc.displayGuiScreen(new GuiLanguage(this, this.mc.gameSettings));
214            }
215    
216            if (par1GuiButton.id == 1)
217            {
218                this.mc.displayGuiScreen(new GuiSelectWorld(this));
219            }
220    
221            if (par1GuiButton.id == 2)
222            {
223                this.mc.displayGuiScreen(new GuiMultiplayer(this));
224            }
225    
226            if (par1GuiButton.id == 3)
227            {
228                this.mc.displayGuiScreen(new GuiTexturePacks(this));
229            }
230    
231            if (par1GuiButton.id == 4)
232            {
233                this.mc.shutdown();
234            }
235    
236            if (par1GuiButton.id == 6)
237            {
238                this.mc.displayGuiScreen(new GuiModList(this));
239            }
240    
241            if (par1GuiButton.id == 11)
242            {
243                this.mc.launchIntegratedServer("Demo_World", "Demo_World", DemoWorldServer.demoWorldSettings);
244            }
245    
246            if (par1GuiButton.id == 12)
247            {
248                ISaveFormat var2 = this.mc.getSaveLoader();
249                WorldInfo var3 = var2.getWorldInfo("Demo_World");
250    
251                if (var3 != null)
252                {
253                    GuiYesNo var4 = GuiSelectWorld.getDeleteWorldScreen(this, var3.getWorldName(), 12);
254                    this.mc.displayGuiScreen(var4);
255                }
256            }
257        }
258    
259        public void confirmClicked(boolean par1, int par2)
260        {
261            if (par1 && par2 == 12)
262            {
263                ISaveFormat var3 = this.mc.getSaveLoader();
264                var3.flushCache();
265                var3.deleteWorldDirectory("Demo_World");
266                this.mc.displayGuiScreen(this);
267            }
268        }
269    
270        /**
271         * Draws the main menu panorama
272         */
273        private void drawPanorama(int par1, int par2, float par3)
274        {
275            Tessellator var4 = Tessellator.instance;
276            GL11.glMatrixMode(GL11.GL_PROJECTION);
277            GL11.glPushMatrix();
278            GL11.glLoadIdentity();
279            GLU.gluPerspective(120.0F, 1.0F, 0.05F, 10.0F);
280            GL11.glMatrixMode(GL11.GL_MODELVIEW);
281            GL11.glPushMatrix();
282            GL11.glLoadIdentity();
283            GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
284            GL11.glRotatef(180.0F, 1.0F, 0.0F, 0.0F);
285            GL11.glEnable(GL11.GL_BLEND);
286            GL11.glDisable(GL11.GL_ALPHA_TEST);
287            GL11.glDisable(GL11.GL_CULL_FACE);
288            GL11.glDepthMask(false);
289            GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
290            byte var5 = 8;
291    
292            for (int var6 = 0; var6 < var5 * var5; ++var6)
293            {
294                GL11.glPushMatrix();
295                float var7 = ((float)(var6 % var5) / (float)var5 - 0.5F) / 64.0F;
296                float var8 = ((float)(var6 / var5) / (float)var5 - 0.5F) / 64.0F;
297                float var9 = 0.0F;
298                GL11.glTranslatef(var7, var8, var9);
299                GL11.glRotatef(MathHelper.sin(((float)this.panoramaTimer + par3) / 400.0F) * 25.0F + 20.0F, 1.0F, 0.0F, 0.0F);
300                GL11.glRotatef(-((float)this.panoramaTimer + par3) * 0.1F, 0.0F, 1.0F, 0.0F);
301    
302                for (int var10 = 0; var10 < 6; ++var10)
303                {
304                    GL11.glPushMatrix();
305    
306                    if (var10 == 1)
307                    {
308                        GL11.glRotatef(90.0F, 0.0F, 1.0F, 0.0F);
309                    }
310    
311                    if (var10 == 2)
312                    {
313                        GL11.glRotatef(180.0F, 0.0F, 1.0F, 0.0F);
314                    }
315    
316                    if (var10 == 3)
317                    {
318                        GL11.glRotatef(-90.0F, 0.0F, 1.0F, 0.0F);
319                    }
320    
321                    if (var10 == 4)
322                    {
323                        GL11.glRotatef(90.0F, 1.0F, 0.0F, 0.0F);
324                    }
325    
326                    if (var10 == 5)
327                    {
328                        GL11.glRotatef(-90.0F, 1.0F, 0.0F, 0.0F);
329                    }
330    
331                    GL11.glBindTexture(GL11.GL_TEXTURE_2D, this.mc.renderEngine.getTexture(titlePanoramaPaths[var10]));
332                    var4.startDrawingQuads();
333                    var4.setColorRGBA_I(16777215, 255 / (var6 + 1));
334                    float var11 = 0.0F;
335                    var4.addVertexWithUV(-1.0D, -1.0D, 1.0D, (double)(0.0F + var11), (double)(0.0F + var11));
336                    var4.addVertexWithUV(1.0D, -1.0D, 1.0D, (double)(1.0F - var11), (double)(0.0F + var11));
337                    var4.addVertexWithUV(1.0D, 1.0D, 1.0D, (double)(1.0F - var11), (double)(1.0F - var11));
338                    var4.addVertexWithUV(-1.0D, 1.0D, 1.0D, (double)(0.0F + var11), (double)(1.0F - var11));
339                    var4.draw();
340                    GL11.glPopMatrix();
341                }
342    
343                GL11.glPopMatrix();
344                GL11.glColorMask(true, true, true, false);
345            }
346    
347            var4.setTranslation(0.0D, 0.0D, 0.0D);
348            GL11.glColorMask(true, true, true, true);
349            GL11.glMatrixMode(GL11.GL_PROJECTION);
350            GL11.glPopMatrix();
351            GL11.glMatrixMode(GL11.GL_MODELVIEW);
352            GL11.glPopMatrix();
353            GL11.glDepthMask(true);
354            GL11.glEnable(GL11.GL_CULL_FACE);
355            GL11.glEnable(GL11.GL_ALPHA_TEST);
356            GL11.glEnable(GL11.GL_DEPTH_TEST);
357        }
358    
359        /**
360         * Rotate and blurs the skybox view in the main menu
361         */
362        private void rotateAndBlurSkybox(float par1)
363        {
364            GL11.glBindTexture(GL11.GL_TEXTURE_2D, this.viewportTexture);
365            GL11.glCopyTexSubImage2D(GL11.GL_TEXTURE_2D, 0, 0, 0, 0, 0, 256, 256);
366            GL11.glEnable(GL11.GL_BLEND);
367            GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
368            GL11.glColorMask(true, true, true, false);
369            Tessellator var2 = Tessellator.instance;
370            var2.startDrawingQuads();
371            byte var3 = 3;
372    
373            for (int var4 = 0; var4 < var3; ++var4)
374            {
375                var2.setColorRGBA_F(1.0F, 1.0F, 1.0F, 1.0F / (float)(var4 + 1));
376                int var5 = this.width;
377                int var6 = this.height;
378                float var7 = (float)(var4 - var3 / 2) / 256.0F;
379                var2.addVertexWithUV((double)var5, (double)var6, (double)this.zLevel, (double)(0.0F + var7), 0.0D);
380                var2.addVertexWithUV((double)var5, 0.0D, (double)this.zLevel, (double)(1.0F + var7), 0.0D);
381                var2.addVertexWithUV(0.0D, 0.0D, (double)this.zLevel, (double)(1.0F + var7), 1.0D);
382                var2.addVertexWithUV(0.0D, (double)var6, (double)this.zLevel, (double)(0.0F + var7), 1.0D);
383            }
384    
385            var2.draw();
386            GL11.glColorMask(true, true, true, true);
387        }
388    
389        /**
390         * Renders the skybox in the main menu
391         */
392        private void renderSkybox(int par1, int par2, float par3)
393        {
394            GL11.glViewport(0, 0, 256, 256);
395            this.drawPanorama(par1, par2, par3);
396            GL11.glDisable(GL11.GL_TEXTURE_2D);
397            GL11.glEnable(GL11.GL_TEXTURE_2D);
398            this.rotateAndBlurSkybox(par3);
399            this.rotateAndBlurSkybox(par3);
400            this.rotateAndBlurSkybox(par3);
401            this.rotateAndBlurSkybox(par3);
402            this.rotateAndBlurSkybox(par3);
403            this.rotateAndBlurSkybox(par3);
404            this.rotateAndBlurSkybox(par3);
405            this.rotateAndBlurSkybox(par3);
406            GL11.glViewport(0, 0, this.mc.displayWidth, this.mc.displayHeight);
407            Tessellator var4 = Tessellator.instance;
408            var4.startDrawingQuads();
409            float var5 = this.width > this.height ? 120.0F / (float)this.width : 120.0F / (float)this.height;
410            float var6 = (float)this.height * var5 / 256.0F;
411            float var7 = (float)this.width * var5 / 256.0F;
412            GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
413            GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
414            var4.setColorRGBA_F(1.0F, 1.0F, 1.0F, 1.0F);
415            int var8 = this.width;
416            int var9 = this.height;
417            var4.addVertexWithUV(0.0D, (double)var9, (double)this.zLevel, (double)(0.5F - var6), (double)(0.5F + var7));
418            var4.addVertexWithUV((double)var8, (double)var9, (double)this.zLevel, (double)(0.5F - var6), (double)(0.5F - var7));
419            var4.addVertexWithUV((double)var8, 0.0D, (double)this.zLevel, (double)(0.5F + var6), (double)(0.5F - var7));
420            var4.addVertexWithUV(0.0D, 0.0D, (double)this.zLevel, (double)(0.5F + var6), (double)(0.5F + var7));
421            var4.draw();
422        }
423    
424        /**
425         * Draws the screen and all the components in it.
426         */
427        public void drawScreen(int par1, int par2, float par3)
428        {
429            this.renderSkybox(par1, par2, par3);
430            Tessellator var4 = Tessellator.instance;
431            short var5 = 274;
432            int var6 = this.width / 2 - var5 / 2;
433            byte var7 = 30;
434            this.drawGradientRect(0, 0, this.width, this.height, -2130706433, 16777215);
435            this.drawGradientRect(0, 0, this.width, this.height, 0, Integer.MIN_VALUE);
436            GL11.glBindTexture(GL11.GL_TEXTURE_2D, this.mc.renderEngine.getTexture("/title/mclogo.png"));
437            GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
438    
439            if ((double)this.updateCounter < 1.0E-4D)
440            {
441                this.drawTexturedModalRect(var6 + 0, var7 + 0, 0, 0, 99, 44);
442                this.drawTexturedModalRect(var6 + 99, var7 + 0, 129, 0, 27, 44);
443                this.drawTexturedModalRect(var6 + 99 + 26, var7 + 0, 126, 0, 3, 44);
444                this.drawTexturedModalRect(var6 + 99 + 26 + 3, var7 + 0, 99, 0, 26, 44);
445                this.drawTexturedModalRect(var6 + 155, var7 + 0, 0, 45, 155, 44);
446            }
447            else
448            {
449                this.drawTexturedModalRect(var6 + 0, var7 + 0, 0, 0, 155, 44);
450                this.drawTexturedModalRect(var6 + 155, var7 + 0, 0, 45, 155, 44);
451            }
452    
453            var4.setColorOpaque_I(16777215);
454            GL11.glPushMatrix();
455            GL11.glTranslatef((float)(this.width / 2 + 90), 70.0F, 0.0F);
456            GL11.glRotatef(-20.0F, 0.0F, 0.0F, 1.0F);
457            float var8 = 1.8F - MathHelper.abs(MathHelper.sin((float)(Minecraft.getSystemTime() % 1000L) / 1000.0F * (float)Math.PI * 2.0F) * 0.1F);
458            var8 = var8 * 100.0F / (float)(this.fontRenderer.getStringWidth(this.splashText) + 32);
459            GL11.glScalef(var8, var8, var8);
460            this.drawCenteredString(this.fontRenderer, this.splashText, 0, -8, 16776960);
461            GL11.glPopMatrix();
462            String var9 = "Minecraft 1.4";
463    
464            if (this.mc.isDemo())
465            {
466                var9 = var9 + " Demo";
467            }
468    
469            List<String> brandings=Lists.reverse(FMLCommonHandler.instance().getBrandings());
470            for (int i=0; i<brandings.size(); i++) {
471                String brd = brandings.get(i);
472                if (!Strings.isNullOrEmpty(brd))
473                {
474                    this.drawString(this.fontRenderer, brd, 2, this.height - ( 10 + i * (this.fontRenderer.FONT_HEIGHT + 1)), 16777215);
475                }
476            }
477            String var10 = "Copyright Mojang AB. Do not distribute!";
478            this.drawString(this.fontRenderer, var10, this.width - this.fontRenderer.getStringWidth(var10) - 2, this.height - 10, 16777215);
479            super.drawScreen(par1, par2, par3);
480        }
481    }