Java tutorial
/* * Copyright 2015 - 2017 Lunix and contributors * All rights reserved. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ package com.lunix.cheata.gui; import java.awt.Desktop; import java.awt.FontMetrics; import java.io.BufferedReader; import java.io.Closeable; import java.io.IOException; import java.io.InputStreamReader; import java.net.InetAddress; import java.net.URI; import java.net.URISyntaxException; import java.net.URL; import java.net.URLConnection; import java.net.UnknownHostException; import java.util.Calendar; import java.util.Date; import java.util.List; import java.util.Random; import java.util.concurrent.atomic.AtomicInteger; import org.apache.commons.io.Charsets; import org.apache.commons.io.IOUtils; import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.Logger; import org.lwjgl.Sys; import org.lwjgl.opengl.GL11; import org.lwjgl.opengl.GLContext; import org.lwjgl.util.glu.Project; import com.google.common.collect.Lists; import com.lunix.cheata.Client; import net.minecraft.client.Minecraft; import net.minecraft.client.gui.GuiButton; import net.minecraft.client.gui.GuiConfirmOpenLink; import net.minecraft.client.gui.GuiLanguage; import net.minecraft.client.gui.GuiMultiplayer; import net.minecraft.client.gui.GuiOptions; import net.minecraft.client.gui.GuiScreen; import net.minecraft.client.gui.GuiWorldSelection; import net.minecraft.client.gui.GuiYesNo; import net.minecraft.client.gui.GuiYesNoCallback; import net.minecraft.client.renderer.GlStateManager; import net.minecraft.client.renderer.OpenGlHelper; import net.minecraft.client.renderer.Tessellator; import net.minecraft.client.renderer.VertexBuffer; import net.minecraft.client.renderer.texture.DynamicTexture; import net.minecraft.client.renderer.vertex.DefaultVertexFormats; import net.minecraft.client.resources.I18n; import net.minecraft.client.resources.IResource; import net.minecraft.client.settings.GameSettings; import net.minecraft.realms.RealmsBridge; import net.minecraft.util.ResourceLocation; import net.minecraft.util.math.MathHelper; import net.minecraft.util.text.TextFormatting; import net.minecraft.world.demo.DemoWorldServer; import net.minecraft.world.storage.ISaveFormat; import net.minecraft.world.storage.WorldInfo; public class CheataMainMenu extends GuiScreen implements GuiYesNoCallback { private static final AtomicInteger field_175373_f = new AtomicInteger(0); private static final Logger logger = LogManager.getLogger(); private static final Random RANDOM = new Random(); /** Boolean for AutoUpdater **/ private boolean needsUpdate; private String updateVersion; /** Counts the number of screen updates. */ private float updateCounter; /** The splash message. */ private String splashText; 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_175375_v = true; /** * The Object object utilized as a thread lock when performing non thread-safe operations */ private final Object threadLock = new Object(); /** OpenGL graphics card warning. */ private String openGLWarning1; /** OpenGL graphics card warning. */ private String openGLWarning2; /** Link to the Mojang Support about minimum requirements */ private String openGLWarningLink; 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 " + TextFormatting.UNDERLINE + "here" + TextFormatting.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 backgroundTexture; /** Minecraft Realms button. */ private boolean field_183502_L; private GuiScreen field_183503_M; public CheataMainMenu() { try { if (!"127.0.0.1".equals(InetAddress.getLocalHost().getHostAddress().toString())) { try { URL u = new URL( "https://raw.githubusercontent.com/CheataClient/CheataClientSrc/master/VERSION"); URLConnection conn = u.openConnection(); BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream())); StringBuffer buffer = new StringBuffer(); String inputLine; while ((inputLine = in.readLine()) != null) buffer.append(inputLine); in.close(); if (Double.parseDouble(buffer.toString()) > Client.getVer()) { mc.logger.info("Latest version is " + buffer.toString()); mc.logger.info("Your version is " + Double.toString(Client.getVer())); updateVersion = buffer.toString(); needsUpdate = true; } else { mc.logger.info("Current pre-release is " + Double.toString(Client.getVer())); } } catch (IOException e) { System.out.println("Unable to open github page"); } } } catch (UnknownHostException e) { System.out.println("Unable to connect to host"); } Client.setInGame(false); this.openGLWarning2 = field_96138_a; this.field_183502_L = false; this.splashText = "missingno"; IResource iresource = null; try { List<String> list = Lists.<String>newArrayList(); iresource = Minecraft.getMinecraft().getResourceManager().getResource(splashTexts); BufferedReader bufferedreader = new BufferedReader( new InputStreamReader(iresource.getInputStream(), Charsets.UTF_8)); String s; while ((s = bufferedreader.readLine()) != null) { s = s.trim(); if (!s.isEmpty()) { list.add(s); } } if (!list.isEmpty()) { while (true) { this.splashText = (String) list.get(RANDOM.nextInt(list.size())); if (this.splashText.hashCode() != 125780783) { break; } } } } catch (IOException var8) { ; } finally { IOUtils.closeQuietly((Closeable) iresource); } this.updateCounter = RANDOM.nextFloat(); this.openGLWarning1 = ""; if (!GLContext.getCapabilities().OpenGL20 && !OpenGlHelper.areShadersSupported()) { this.openGLWarning1 = I18n.format("title.oldgl1", new Object[0]); this.openGLWarning2 = I18n.format("title.oldgl2", new Object[0]); this.openGLWarningLink = "https://help.mojang.com/customer/portal/articles/325948?ref=game"; } } private boolean func_183501_a() { return Minecraft.getMinecraft().gameSettings .getOptionOrdinalValue(GameSettings.Options.REALMS_NOTIFICATIONS) && this.field_183503_M != null; } /** * Called from the main game loop to update the screen. */ public void updateScreen() { ++this.panoramaTimer; if (this.func_183501_a()) { this.field_183503_M.updateScreen(); } } /** * 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 (except F11 which toggles full screen). This is the equivalent of * KeyListener.keyTyped(KeyEvent e). Args : character (character on the key), keyCode (lwjgl Keyboard key code) */ protected void keyTyped(char typedChar, int keyCode) throws IOException { } /** * Adds the buttons (and other controls) to the screen in question. Called when the GUI is displayed and when the * window resizes, the buttonList is cleared beforehand. */ public void initGui() { this.viewportTexture = new DynamicTexture(256, 256); this.backgroundTexture = this.mc.getTextureManager().getDynamicTextureLocation("background", this.viewportTexture); Calendar calendar = Calendar.getInstance(); calendar.setTime(new Date()); if (calendar.get(2) + 1 == 12 && calendar.get(5) == 24) { this.splashText = "Merry X-mas!"; } else if (calendar.get(2) + 1 == 1 && calendar.get(5) == 1) { this.splashText = "Happy new year!"; } else if (calendar.get(2) + 1 == 10 && calendar.get(5) == 31) { this.splashText = "OOoooOOOoooo! Spooky!"; } int i = 24; int j = this.height / 4 + 48; if (this.mc.isDemo()) { this.addDemoButtons(j, 24); } else { this.addSingleplayerMultiplayerButtons(j, 24); } if (!needsUpdate) { this.buttonList.add(new GuiButton(0, this.width / 2 - 100, j + 72 + 4, 98, 20, I18n.format("menu.options", new Object[0]))); this.buttonList.add(new GuiButton(4, this.width / 2 + 2, j + 72 + 4, 98, 20, I18n.format("menu.quit", new Object[0]))); } else { this.buttonList.add(new GuiButton(0, this.width / 2 - 100, j + 72 + 28, 98, 20, I18n.format("menu.options", new Object[0]))); this.buttonList.add(new GuiButton(4, this.width / 2 + 2, j + 72 + 28, 98, 20, I18n.format("menu.quit", new Object[0]))); } synchronized (this.threadLock) { this.field_92023_s = this.fontRendererObj.getStringWidth(this.openGLWarning1); this.field_92024_r = this.fontRendererObj.getStringWidth(this.openGLWarning2); int k = Math.max(this.field_92023_s, this.field_92024_r); this.field_92022_t = (this.width - k) / 2; this.field_92021_u = ((GuiButton) this.buttonList.get(0)).yPosition - 24; this.field_92020_v = this.field_92022_t + k; this.field_92019_w = this.field_92021_u + 24; } this.mc.setConnectedToRealms(false); if (Minecraft.getMinecraft().gameSettings.getOptionOrdinalValue(GameSettings.Options.REALMS_NOTIFICATIONS) && !this.field_183502_L) { this.field_183502_L = true; } if (this.func_183501_a()) { this.field_183503_M.setGuiSize(this.width, this.height); this.field_183503_M.initGui(); } } /** * Adds Singleplayer and Multiplayer buttons on Main Menu for players who have bought the game. */ private void addSingleplayerMultiplayerButtons(int p_73969_1_, int p_73969_2_) { this.buttonList.add(new GuiButton(1, this.width / 2 - 100, (p_73969_1_) - 20, I18n.format("menu.singleplayer", new Object[0]))); this.buttonList.add(new GuiButton(2, this.width / 2 - 100, (p_73969_1_ + p_73969_2_ * 1) - 20, I18n.format("menu.multiplayer", new Object[0]))); this.buttonList.add(new GuiButton(5, this.width / 2 - 100, (p_73969_1_ + p_73969_2_ * 2) - 20, I18n.format("Language", new Object[0]))); this.buttonList.add(new GuiButton(21, this.width / 2 - 100, (p_73969_1_ + p_73969_2_ * 3) - 20, I18n.format("Cheata Menu", new Object[0]))); if (needsUpdate) this.buttonList.add(new GuiButton(24, this.width / 2 - 100, (p_73969_1_ + p_73969_2_ * 4) - 20, I18n.format("Update " + Client.getName(), new Object[0]))); } /** * Adds Demo buttons on Main Menu for players who are playing Demo. */ private void addDemoButtons(int p_73972_1_, int p_73972_2_) { this.buttonList.add( new GuiButton(11, this.width / 2 - 100, p_73972_1_, I18n.format("menu.playdemo", new Object[0]))); this.buttonList.add(this.buttonResetDemo = new GuiButton(12, this.width / 2 - 100, p_73972_1_ + p_73972_2_ * 1, I18n.format("menu.resetdemo", new Object[0]))); ISaveFormat isaveformat = this.mc.getSaveLoader(); WorldInfo worldinfo = isaveformat.getWorldInfo("Demo_World"); if (worldinfo == null) { this.buttonResetDemo.enabled = false; } } /** * Called by the controls from the buttonList when activated. (Mouse pressed for buttons) */ protected void actionPerformed(GuiButton button) throws IOException { if (button.id == 0) { this.mc.displayGuiScreen(new GuiOptions(this, this.mc.gameSettings)); } if (button.id == 5) { this.mc.displayGuiScreen(new GuiLanguage(this, this.mc.gameSettings, this.mc.getLanguageManager())); } if (button.id == 1) { this.mc.displayGuiScreen(new GuiWorldSelection(this)); } if (button.id == 2) { this.mc.displayGuiScreen(new GuiMultiplayer(this)); } if (button.id == 4) { this.mc.shutdown(); } if (button.id == 11) { this.mc.launchIntegratedServer("Demo_World", "Demo_World", DemoWorldServer.demoWorldSettings); } if (button.id == 12) { ISaveFormat isaveformat = this.mc.getSaveLoader(); WorldInfo worldinfo = isaveformat.getWorldInfo("Demo_World"); if (worldinfo != null) { this.mc.displayGuiScreen( new GuiYesNo(this, I18n.format("selectWorld.deleteQuestion", new Object[0]), "\'" + worldinfo.getWorldName() + "\' " + I18n.format("selectWorld.deleteWarning", new Object[0]), I18n.format("selectWorld.deleteButton", new Object[0]), I18n.format("gui.cancel", new Object[0]), 12)); } } if (button.id == 21) { this.mc.displayGuiScreen(new CheataGui(this)); } if (button.id == 24) { try { final URL url = new URL("https://github.com/CheataClient/CheataClient"); URI uri = url.toURI(); Desktop.getDesktop().browse(uri); } catch (URISyntaxException e) { e.printStackTrace(); } } } private void switchToRealms() { RealmsBridge realmsbridge = new RealmsBridge(); realmsbridge.switchToRealms(this); } public void confirmClicked(boolean result, int id) { if (result && id == 12) { ISaveFormat isaveformat = this.mc.getSaveLoader(); isaveformat.flushCache(); isaveformat.deleteWorldDirectory("Demo_World"); this.mc.displayGuiScreen(this); } else if (id == 13) { if (result) { try { Class<?> oclass = Class.forName("java.awt.Desktop"); Object object = oclass.getMethod("getDesktop", new Class[0]).invoke((Object) null, new Object[0]); oclass.getMethod("browse", new Class[] { URI.class }).invoke(object, new Object[] { new URI(this.openGLWarningLink) }); } catch (Throwable throwable) { logger.error("Couldn\'t open link", throwable); } } this.mc.displayGuiScreen(this); } } /** * Draws the main menu panorama */ private void drawPanorama(int p_73970_1_, int p_73970_2_, float p_73970_3_) { Tessellator tessellator = Tessellator.getInstance(); VertexBuffer vertexbuffer = tessellator.getBuffer(); GlStateManager.matrixMode(5889); GlStateManager.pushMatrix(); GlStateManager.loadIdentity(); Project.gluPerspective(120.0F, 1.0F, 0.05F, 10.0F); GlStateManager.matrixMode(5888); GlStateManager.pushMatrix(); GlStateManager.loadIdentity(); GlStateManager.color(1.0F, 1.0F, 1.0F, 1.0F); GlStateManager.rotate(180.0F, 1.0F, 0.0F, 0.0F); GlStateManager.rotate(90.0F, 0.0F, 0.0F, 1.0F); GlStateManager.enableBlend(); GlStateManager.disableAlpha(); GlStateManager.disableCull(); GlStateManager.depthMask(false); GlStateManager.tryBlendFuncSeparate(GlStateManager.SourceFactor.SRC_ALPHA, GlStateManager.DestFactor.ONE_MINUS_SRC_ALPHA, GlStateManager.SourceFactor.ONE, GlStateManager.DestFactor.ZERO); int i = 8; for (int j = 0; j < i * i; ++j) { GlStateManager.pushMatrix(); float f = ((float) (j % i) / (float) i - 0.5F) / 64.0F; float f1 = ((float) (j / i) / (float) i - 0.5F) / 64.0F; float f2 = 0.0F; GlStateManager.translate(f, f1, f2); GlStateManager.rotate( MathHelper.sin(((float) this.panoramaTimer + p_73970_3_) / 400.0F) * 25.0F + 20.0F, 1.0F, 0.0F, 0.0F); GlStateManager.rotate(-((float) this.panoramaTimer + p_73970_3_) * 0.1F, 0.0F, 1.0F, 0.0F); for (int k = 0; k < 6; ++k) { GlStateManager.pushMatrix(); if (k == 1) { GlStateManager.rotate(90.0F, 0.0F, 1.0F, 0.0F); } if (k == 2) { GlStateManager.rotate(180.0F, 0.0F, 1.0F, 0.0F); } if (k == 3) { GlStateManager.rotate(-90.0F, 0.0F, 1.0F, 0.0F); } if (k == 4) { GlStateManager.rotate(90.0F, 1.0F, 0.0F, 0.0F); } if (k == 5) { GlStateManager.rotate(-90.0F, 1.0F, 0.0F, 0.0F); } this.mc.getTextureManager().bindTexture(titlePanoramaPaths[k]); vertexbuffer.begin(7, DefaultVertexFormats.POSITION_TEX_COLOR); int l = 255 / (j + 1); float f3 = 0.0F; vertexbuffer.pos(-1.0D, -1.0D, 1.0D).tex(0.0D, 0.0D).color(255, 255, 255, l).endVertex(); vertexbuffer.pos(1.0D, -1.0D, 1.0D).tex(1.0D, 0.0D).color(255, 255, 255, l).endVertex(); vertexbuffer.pos(1.0D, 1.0D, 1.0D).tex(1.0D, 1.0D).color(255, 255, 255, l).endVertex(); vertexbuffer.pos(-1.0D, 1.0D, 1.0D).tex(0.0D, 1.0D).color(255, 255, 255, l).endVertex(); tessellator.draw(); GlStateManager.popMatrix(); } GlStateManager.popMatrix(); GlStateManager.colorMask(true, true, true, false); } vertexbuffer.setTranslation(0.0D, 0.0D, 0.0D); GlStateManager.colorMask(true, true, true, true); GlStateManager.matrixMode(5889); GlStateManager.popMatrix(); GlStateManager.matrixMode(5888); GlStateManager.popMatrix(); GlStateManager.depthMask(true); GlStateManager.enableCull(); GlStateManager.enableDepth(); } /** * Rotate and blurs the skybox view in the main menu */ private void rotateAndBlurSkybox(float p_73968_1_) { this.mc.getTextureManager().bindTexture(this.backgroundTexture); GlStateManager.glTexParameteri(3553, 10241, 9729); GlStateManager.glTexParameteri(3553, 10240, 9729); GlStateManager.glCopyTexSubImage2D(3553, 0, 0, 0, 0, 0, 256, 256); GlStateManager.enableBlend(); GlStateManager.tryBlendFuncSeparate(GlStateManager.SourceFactor.SRC_ALPHA, GlStateManager.DestFactor.ONE_MINUS_SRC_ALPHA, GlStateManager.SourceFactor.ONE, GlStateManager.DestFactor.ZERO); GlStateManager.colorMask(true, true, true, false); Tessellator tessellator = Tessellator.getInstance(); VertexBuffer vertexbuffer = tessellator.getBuffer(); vertexbuffer.begin(7, DefaultVertexFormats.POSITION_TEX_COLOR); GlStateManager.disableAlpha(); int i = 3; for (int j = 0; j < i; ++j) { float f = 1.0F / (float) (j + 1); int k = this.width; int l = this.height; float f1 = (float) (j - i / 2) / 256.0F; vertexbuffer.pos((double) k, (double) l, (double) this.zLevel).tex((double) (0.0F + f1), 1.0D) .color(1.0F, 1.0F, 1.0F, f).endVertex(); vertexbuffer.pos((double) k, 0.0D, (double) this.zLevel).tex((double) (1.0F + f1), 1.0D) .color(1.0F, 1.0F, 1.0F, f).endVertex(); vertexbuffer.pos(0.0D, 0.0D, (double) this.zLevel).tex((double) (1.0F + f1), 0.0D) .color(1.0F, 1.0F, 1.0F, f).endVertex(); vertexbuffer.pos(0.0D, (double) l, (double) this.zLevel).tex((double) (0.0F + f1), 0.0D) .color(1.0F, 1.0F, 1.0F, f).endVertex(); } tessellator.draw(); GlStateManager.enableAlpha(); GlStateManager.colorMask(true, true, true, true); } /** * Renders the skybox in the main menu */ private void renderSkybox(int p_73971_1_, int p_73971_2_, float p_73971_3_) { this.mc.getFramebuffer().unbindFramebuffer(); GlStateManager.viewport(0, 0, 256, 256); this.drawPanorama(p_73971_1_, p_73971_2_, p_73971_3_); this.rotateAndBlurSkybox(p_73971_3_); this.rotateAndBlurSkybox(p_73971_3_); this.rotateAndBlurSkybox(p_73971_3_); this.rotateAndBlurSkybox(p_73971_3_); this.rotateAndBlurSkybox(p_73971_3_); this.rotateAndBlurSkybox(p_73971_3_); this.rotateAndBlurSkybox(p_73971_3_); this.mc.getFramebuffer().bindFramebuffer(true); GlStateManager.viewport(0, 0, this.mc.displayWidth, this.mc.displayHeight); float f = this.width > this.height ? 120.0F / (float) this.width : 120.0F / (float) this.height; float f1 = (float) this.height * f / 256.0F; float f2 = (float) this.width * f / 256.0F; int i = this.width; int j = this.height; Tessellator tessellator = Tessellator.getInstance(); VertexBuffer vertexbuffer = tessellator.getBuffer(); vertexbuffer.begin(7, DefaultVertexFormats.POSITION_TEX_COLOR); vertexbuffer.pos(0.0D, (double) j, (double) this.zLevel).tex((double) (0.5F - f1), (double) (0.5F + f2)) .color(1.0F, 1.0F, 1.0F, 1.0F).endVertex(); vertexbuffer.pos((double) i, (double) j, (double) this.zLevel) .tex((double) (0.5F - f1), (double) (0.5F - f2)).color(1.0F, 1.0F, 1.0F, 1.0F).endVertex(); vertexbuffer.pos((double) i, 0.0D, (double) this.zLevel).tex((double) (0.5F + f1), (double) (0.5F - f2)) .color(1.0F, 1.0F, 1.0F, 1.0F).endVertex(); vertexbuffer.pos(0.0D, 0.0D, (double) this.zLevel).tex((double) (0.5F + f1), (double) (0.5F + f2)) .color(1.0F, 1.0F, 1.0F, 1.0F).endVertex(); tessellator.draw(); } /** * Draws the screen and all the components in it. Args : mouseX, mouseY, renderPartialTicks */ public void drawScreen(int mouseX, int mouseY, float partialTicks) { this.drawDefaultBackground(); GL11.glPushMatrix(); GL11.glScaled(7, 6, 5); String var1 = "Cheata"; this.drawCenteredString(mc.fontRendererObj, var1, ((this.width / 7) / 2), ((this.height / 6) / 4) - 5, 0xffb825); GL11.glPopMatrix(); if (needsUpdate) { this.drawRect(0, 0, this.width, 20, Client.getColor()); this.drawCenteredString(mc.fontRendererObj, "New version of Cheata found : " + updateVersion, this.width / 2, 6, Client.getColor()); } super.drawScreen(mouseX, mouseY, partialTicks); } /** * Called when the mouse is clicked. Args : mouseX, mouseY, clickedButton */ protected void mouseClicked(int mouseX, int mouseY, int mouseButton) throws IOException { super.mouseClicked(mouseX, mouseY, mouseButton); synchronized (this.threadLock) { if (!this.openGLWarning1.isEmpty() && mouseX >= this.field_92022_t && mouseX <= this.field_92020_v && mouseY >= this.field_92021_u && mouseY <= this.field_92019_w) { GuiConfirmOpenLink guiconfirmopenlink = new GuiConfirmOpenLink(this, this.openGLWarningLink, 13, true); guiconfirmopenlink.disableSecurityWarning(); this.mc.displayGuiScreen(guiconfirmopenlink); } } if (this.func_183501_a()) { this.mouseClicked(mouseX, mouseY, mouseButton); } } /** * Called when the screen is unloaded. Used to disable keyboard repeat events */ public void onGuiClosed() { if (this.field_183503_M != null) { this.field_183503_M.onGuiClosed(); } } }