Résolu Problème Connection automatique

[TheYovach]

Bonjour, j’ai crée mes boutons de connections automatiques mais lorsque je me connecte, le jeu plante
Le code erreur :

java.lang.NullPointerException: Ticking screen
at cpw.mods.fml.client.FMLClientHandler.setPlayClient(FMLClientHandler.java:827)
at net.minecraft.client.network.NetHandlerLoginClient.onConnectionStateTransition(NetHandlerLoginClient.java:120)
at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:221)
at net.minecraft.client.multiplayer.GuiConnecting.updateScreen(GuiConnecting.java:105)
at net.minecraft.client.Minecraft.runTick(Minecraft.java:1708)
at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:996)
at net.minecraft.client.Minecraft.run(Minecraft.java:912)
at net.minecraft.client.main.Main.main(Main.java:112)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:134)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

[robin4002]

Salut,
Envoie ton code.

[TheYovach]

package net.metalfight.metalmod.proxy;

import java.awt.Desktop;
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.List;
import java.util.Random;

import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.GuiButton;
import net.minecraft.client.gui.GuiButtonLanguage;
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.GuiScreenOnlineServers;
import net.minecraft.client.gui.GuiSelectWorld;
import net.minecraft.client.gui.GuiYesNo;
import net.minecraft.client.mco.ExceptionMcoService;
import net.minecraft.client.mco.GuiScreenClientOutdated;
import net.minecraft.client.mco.McoClient;
import net.minecraft.client.multiplayer.GuiConnecting;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.texture.DynamicTexture;
import net.minecraft.client.resources.I18n;
import net.minecraft.util.EnumChatFormatting;
import net.minecraft.util.MathHelper;
import net.minecraft.util.ResourceLocation;
import net.minecraft.world.demo.DemoWorldServer;
import net.minecraft.world.storage.ISaveFormat;
import net.minecraft.world.storage.WorldInfo;

import org.apache.commons.io.Charsets;
import org.lwjgl.opengl.GL11;
import org.lwjgl.util.glu.Project;

import com.google.common.base.Strings;
import com.google.common.collect.Lists;

import cpw.mods.fml.client.GuiModList;
import cpw.mods.fml.common.FMLCommonHandler;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;

@SideOnly(Side.CLIENT)
public class GuiCustomMainMenu extends GuiScreen
{
private static final Random rand = new Random();
private float updateCounter;
private String splashText = "missingno";
private GuiButton buttonResetDemo;
private int panoramaTimer;
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 noticeMessage;
private String noticeLink;
private static final ResourceLocation splashTexts = new ResourceLocation("texts/splashes.txt");
private static final ResourceLocation minecraftTitleTextures = new ResourceLocation("textures/gui/title/minecraft.png");
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 noticeMessageInformation = "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;

private GuiButton fmlModButton = null;

public GuiCustomMainMenu()
{
BufferedReader bufferedreader = null;
String s;

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

while ((s = bufferedreader.readLine()) != null)
{
s = s.trim();

if (!s.isEmpty())
{
arraylist.add(s);
}
}

do
{
this.splashText = (String)arraylist.get(rand.nextInt(arraylist.size()));
}
while (this.splashText.hashCode() == 125780783);
}
catch (IOException ioexception)
{
;
}
finally
{
if (bufferedreader != null)
{
try
{
bufferedreader.close();
}
catch (IOException ioexception1)
{
;
}
}
}

this.updateCounter = rand.nextFloat();
this.noticeMessage = "";
String s1 = System.getProperty("os_architecture");
s = System.getProperty("java_version");

if ("ppc".equalsIgnoreCase(s1))
{
this.noticeMessage = "" + EnumChatFormatting.BOLD + "Notice!" + EnumChatFormatting.RESET + " PowerPC compatibility will be dropped in Minecraft 1.6";
this.noticeLink = "http://tinyurl.com/javappc";
}
else if (s != null && s.startsWith("1.5"))
{
this.noticeMessage = "" + EnumChatFormatting.BOLD + "Notice!" + EnumChatFormatting.RESET + " Java 1.5 compatibility will be dropped in Minecraft 1.6";
this.noticeLink = "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 calendar = Calendar.getInstance();
calendar.setTime(new Date());

if (calendar.get(2) + 1 == 11 && calendar.get(5) == 9)
{
this.splashText = "Happy birthday, ez!";
}
else if (calendar.get(2) + 1 == 6 && calendar.get(5) == 1)
{
this.splashText = "Happy birthday, Notch!";
}
else if (calendar.get(2) + 1 == 12 && calendar.get(5) == 24)
{
this.splashText = "PVP-FACTIONS";
}
else if (calendar.get(2) + 1 == 1 && calendar.get(5) == 1)
{
this.splashText = "MetalFight.net";
}
else if (calendar.get(2) + 1 == 10 && calendar.get(5) == 31)
{
this.splashText = "MetalFIGHT !";
}

boolean flag = true;
int i = this.height / 4 + 48;

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

this.buttonList.add(new GuiButton(0, this.width / 2 - 100, i + 72 + 12, 98, 20,("Options")));
this.buttonList.add(new GuiButton(4, this.width / 2 + 2, i + 72 + 12, 98, 20,("Quitter")));
this.buttonList.add(new GuiButtonLanguage(5, this.width / 2 - 124, i + 72 + 12));
Object object = this.field_104025_t;

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

/**
* 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(26, this.width / 2 - 100, par1 + par2 * 2, ("§aSite")));
this.buttonList.add(new GuiButton(2, this.width / 2 - 100, par1 + par2 * 1, ("§6Rejoindre MetalFight")));
fmlModButton = new GuiButton(1, this.width / 2 - 100, par1 + par2 * 0, "§bMonde Solo");
this.buttonList.add(fmlModButton);
}

/**
* 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,("menu.playdemo")));
this.buttonList.add(this.buttonResetDemo = new GuiButton(12, this.width / 2 - 100, par1 + par2 * 1,("menu.resetdemo")));
ISaveFormat isaveformat = this.mc.getSaveLoader();
WorldInfo worldinfo = isaveformat.getWorldInfo("Demo_World");

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

/**
* Fired when a control is clicked. This is the equivalent of ActionListener.actionPerformed(ActionEvent e).
*/
protected void actionPerformed(GuiButton button)
{
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 GuiSelectWorld(this));
}

if (button.id == 2)
{
this.mc.displayGuiScreen(new GuiConnecting(this, mc, "localhost", 25565));

}

if (button.id == 14 && this.minecraftRealmsButton.enabled)
{
this.func_140005_i();
}

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

if (button.id == 6)
{
this.mc.displayGuiScreen(new GuiModList(this));
}

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

if(button.id == 26)
{
Desktop desktop = null;
try
{
URI url = new URI("https://www.facebook.com/HonoluluCraft");
if(Desktop.isDesktopSupported())
{
desktop = Desktop.getDesktop();
desktop.browse(url);
}
}
catch(Exception ex)
{}
}
if(button.id == 25)
{
Desktop desktop = null;
try
{
URI url = new URI("http://onepieceuniverses.tumblr.com/");
if(Desktop.isDesktopSupported())
{
desktop = Desktop.getDesktop();
desktop.browse(url);
}
}
catch(Exception ex)
{}
}
}

private void func_140005_i() {
// TODO Auto-generated method stub

}

public void confirmClicked(boolean par1, int par2)
{
if (par1 && par2 == 12)
{
ISaveFormat isaveformat = this.mc.getSaveLoader();
isaveformat.flushCache();
isaveformat.deleteWorldDirectory("Demo_World");
this.mc.displayGuiScreen(this);
}
else if (par2 == 13)
{
if (par1)
{
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.noticeLink)});
}
catch (Throwable throwable)
{
throwable.printStackTrace();
}
}

this.mc.displayGuiScreen(this);
}
}

/**
* Draws the main menu panorama
*/
private void drawPanorama(int par1, int par2, float par3)
{
Tessellator tessellator = 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 b0 = 8;

for (int k = 0; k < b0 * b0; ++k)
{
GL11.glPushMatrix();
float f1 = ((float)(k % b0) / (float)b0 - 0.5F) / 64.0F;
float f2 = ((float)(k / b0) / (float)b0 - 0.5F) / 64.0F;
float f3 = 0.0F;
GL11.glTranslatef(f1, f2, f3);
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 l = 0; l < 6; ++l)
{
GL11.glPushMatrix();

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

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

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

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

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

this.mc.getTextureManager().bindTexture(titlePanoramaPaths[l]);
tessellator.startDrawingQuads();
tessellator.setColorRGBA_I(16777215, 255 / (k + 1));
float f4 = 0.0F;
tessellator.addVertexWithUV(-1.0D, -1.0D, 1.0D, (double)(0.0F + f4), (double)(0.0F + f4));
tessellator.addVertexWithUV(1.0D, -1.0D, 1.0D, (double)(1.0F - f4), (double)(0.0F + f4));
tessellator.addVertexWithUV(1.0D, 1.0D, 1.0D, (double)(1.0F - f4), (double)(1.0F - f4));
tessellator.addVertexWithUV(-1.0D, 1.0D, 1.0D, (double)(0.0F + f4), (double)(1.0F - f4));
tessellator.draw();
GL11.glPopMatrix();
}

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

tessellator.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 tessellator = Tessellator.instance;
tessellator.startDrawingQuads();
byte b0 = 3;

for (int i = 0; i < b0; ++i)
{
tessellator.setColorRGBA_F(1.0F, 1.0F, 1.0F, 1.0F / (float)(i + 1));
int j = this.width;
int k = this.height;
float f1 = (float)(i - b0 / 2) / 256.0F;
tessellator.addVertexWithUV((double)j, (double)k, (double)this.zLevel, (double)(0.0F + f1), 0.0D);
tessellator.addVertexWithUV((double)j, 0.0D, (double)this.zLevel, (double)(1.0F + f1), 0.0D);
tessellator.addVertexWithUV(0.0D, 0.0D, (double)this.zLevel, (double)(1.0F + f1), 1.0D);
tessellator.addVertexWithUV(0.0D, (double)k, (double)this.zLevel, (double)(0.0F + f1), 1.0D);
}

tessellator.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 tessellator = Tessellator.instance;
tessellator.startDrawingQuads();
float f1 = this.width > this.height ? 120.0F / (float)this.width : 120.0F / (float)this.height;
float f2 = (float)this.height * f1 / 256.0F;
float f3 = (float)this.width * f1 / 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);
tessellator.setColorRGBA_F(1.0F, 1.0F, 1.0F, 1.0F);
int k = this.width;
int l = this.height;
tessellator.addVertexWithUV(0.0D, (double)l, (double)this.zLevel, (double)(0.5F - f2), (double)(0.5F + f3));
tessellator.addVertexWithUV((double)k, (double)l, (double)this.zLevel, (double)(0.5F - f2), (double)(0.5F - f3));
tessellator.addVertexWithUV((double)k, 0.0D, (double)this.zLevel, (double)(0.5F + f2), (double)(0.5F - f3));
tessellator.addVertexWithUV(0.0D, 0.0D, (double)this.zLevel, (double)(0.5F + f2), (double)(0.5F + f3));
tessellator.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 tessellator = Tessellator.instance;
short short1 = 274;
int k = this.width / 2 - short1 / 2;
byte b0 = 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(k + 0, b0 + 0, 0, 0, 99, 44);
this.drawTexturedModalRect(k + 99, b0 + 0, 129, 0, 27, 44);
this.drawTexturedModalRect(k + 99 + 26, b0 + 0, 126, 0, 3, 44);
this.drawTexturedModalRect(k + 99 + 26 + 3, b0 + 0, 99, 0, 26, 44);
this.drawTexturedModalRect(k + 155, b0 + 0, 0, 45, 155, 44);
}
else
{
this.drawTexturedModalRect(k + 0, b0 + 0, 0, 0, 155, 44);
this.drawTexturedModalRect(k + 155, b0 + 0, 0, 45, 155, 44);
}

tessellator.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 f1 = 1.8F - MathHelper.abs(MathHelper.sin((float)(Minecraft.getSystemTime() % 1000L) / 1000.0F * (float)Math.PI * 2.0F) * 0.1F);
GL11.glScalef(f1, f1, f1);
GL11.glPopMatrix();
String s = "";

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

String s1 = "§6MetalFight.net ";
this.drawString(this.fontRendererObj, s1, this.width - this.fontRendererObj.getStringWidth(s1) - 2, this.height - 10, 16777215);

if (this.noticeMessage != null && this.noticeMessage.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.fontRendererObj, this.noticeMessage, this.field_92022_t, this.field_92021_u, 16777215);
this.drawString(this.fontRendererObj, noticeMessageInformation, (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 object = this.field_104025_t;

synchronized (this.field_104025_t)
{
if (this.noticeMessage.length() > 0 && par1 >= this.field_92022_t && par1 <= this.field_92020_v && par2 >= this.field_92021_u && par2 <= this.field_92019_w)
{
GuiConfirmOpenLink guiconfirmopenlink = new GuiConfirmOpenLink(this, this.noticeLink, 13, true);
this.mc.displayGuiScreen(guiconfirmopenlink);
}
}
}

static Minecraft func_110348_a(GuiCustomMainMenu menu)
{
return menu.mc;
}

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

static Minecraft func_130018_c(GuiCustomMainMenu menu)
{
return menu.mc;
}

static Minecraft func_130019_d(GuiCustomMainMenu menu)
{
return menu.mc;
}
}

[robin4002]

if (button.id == 2)
{
     this.mc.displayGuiScreen(new GuiConnecting(this, mc, "localhost", 25565));
}

Ce n’est pas bon. Ce code cause des problèmes avec forge depuis la 1.7
J’avais déjà répondu au même problème ici :
https://www.minecraftforgefrance.fr/topic/683/connexion-automatique-à-un-serveur/15

[TheYovach]

En effet, merci beaucoup de ton aide