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[Client] Get Player health/food level if client connects to server/ they change

Posted April 5, 201411 yr

English:

Hey,

I'm new in modding and I want to write an Minecraft Mod which adds an Logitech G19(s) applet but I haven't figured out how to get the players life or foodlevel

if the Client connects to a server or one of those are changing.

---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

German:

Hey,

Ich bin recht neu im modden und habe vor ein applet für die Logitech G19(s) zu machen doch ich kriege es einfach nicht hin das Leben / den Hunger Status des Spielers zu bekommen wenn er auf einen Server verbindet oder sich das Leben bzw. der Hunger Status ändert.

Mfg FFS2309

Quote

April 5, 201411 yr

Author

I know this methods but from where can I get the Player Object , thats my main question .

(Mein Englisch ist nicht das beste ... )

Quote

April 5, 201411 yr

Author

Thanks but which event can I use because at the ClientConnectedToServerEvent it is giving an error

[16:02:14] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[16:02:14] [main/INFO] [LaunchWrapper]: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[16:02:14] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker
[16:02:14] [main/INFO] [FML]: Forge Mod Loader version 7.2.116.1024 for Minecraft 1.7.2 loading
[16:02:14] [main/INFO] [FML]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.7.0_45, running on Windows 7:amd64:6.1, installed at K:\Program Files\Java\jre7
[16:02:14] [main/INFO] [FML]: Managed to load a deobfuscated Minecraft name- we are in a deobfuscated environment. Skipping runtime deobfuscation
[16:02:14] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[16:02:14] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
[16:02:14] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[16:02:14] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[16:02:14] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[16:02:14] [main/ERROR] [FML]: The binary patch set is missing. Either you are in a development environment, or things are not going to work!
[16:02:15] [main/ERROR] [FML]: The minecraft jar file:/C:/Users/Fabi/.gradle/caches/minecraft/net/minecraftforge/forge/1.7.2-10.12.0.1024/forgeSrc-1.7.2-10.12.0.1024.jar!/net/minecraft/client/ClientBrandRetriever.class appears to be corrupt! There has been CRITICAL TAMPERING WITH MINECRAFT, it is highly unlikely minecraft will work! STOP NOW, get a clean copy and try again!
[16:02:15] [main/ERROR] [FML]: FML has been ordered to ignore the invalid or missing minecraft certificate. This is very likely to cause a problem!
[16:02:15] [main/ERROR] [FML]: Technical information: ClientBrandRetriever was at jar:file:/C:/Users/Fabi/.gradle/caches/minecraft/net/minecraftforge/forge/1.7.2-10.12.0.1024/forgeSrc-1.7.2-10.12.0.1024.jar!/net/minecraft/client/ClientBrandRetriever.class, there were 0 certificates for it
[16:02:15] [main/ERROR] [FML]: FML appears to be missing any signature data. This is not a good thing
[16:02:15] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[16:02:15] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLDeobfTweaker
[16:02:15] [main/INFO] [LaunchWrapper]: Launching wrapped minecraft {net.minecraft.client.main.Main}
[16:02:16] [main/INFO]: Setting user: Player387
[16:02:16] [Client thread/INFO]: LWJGL Version: 2.9.0
[16:02:17] [Client thread/INFO] [MinecraftForge]: Attempting early MinecraftForge initialization
[16:02:17] [Client thread/INFO] [FML]: MinecraftForge v10.12.0.1024 Initialized
[16:02:17] [Client thread/INFO] [FML]: Replaced 128 ore recipies
[16:02:17] [Client thread/INFO] [MinecraftForge]: Completed early MinecraftForge initialization
[16:02:17] [Client thread/INFO] [FML]: Searching E:\Programmieren\ForgeMCP\eclipse\mods for mods
[16:02:18] [Client thread/ERROR] [FML]: FML has detected a mod that is using a package name based on 'net.minecraft.src' : net.minecraft.src.FMLRenderAccessLibrary. This is generally a severe programming error.  There should be no mod code in the minecraft namespace. MOVE YOUR MOD! If you're in eclipse, select your source code and 'refactor' it into a new package. Go on. DO IT NOW!
[16:02:19] [Client thread/INFO] [FML]: Forge Mod Loader has identified 4 mods to load
[16:02:19] [Client thread/INFO]: Reloading ResourceManager: Default, FMLFileResourcePack:Forge Mod Loader, FMLFileResourcePack:Minecraft Forge, FMLFileResourcePack:MCLCD
[16:02:19] [Client thread/INFO] [FML]: Configured a dormant chunk cache size of 0

Starting up SoundSystem...
Initializing LWJGL OpenAL
    (The LWJGL binding of OpenAL.  For more information, see http://www.lwjgl.org)
OpenAL initialized.

[16:02:20] [sound Library Loader/INFO]: Sound engine started
[16:02:20] [Client thread/INFO]: Created: 512x256 textures/blocks-atlas
[16:02:20] [Client thread/INFO]: Created: 256x256 textures/items-atlas
[16:02:20] [Client thread/INFO] [FML]: Forge Mod Loader has successfully loaded 4 mods
[16:02:21] [MCO Availability Checker #1/ERROR]: Couldn't connect to Realms
[16:02:25] [Client thread/INFO]: Connecting to ***., 25566
[16:02:26] [Netty Client IO #0/INFO] [FML]: [Netty Client IO #0] Client side vanilla connection established
[16:02:26] [Netty Client IO #0/ERROR] [FML]: HandshakeMessageHandler exception
java.lang.NullPointerException
at de.impulsecraft.event.EventsHandler.drawStats(EventsHandler.java:61) ~[EventsHandler.class:?]
at de.impulsecraft.event.EventsHandler.onClientConnectToServer(EventsHandler.java:51) ~[EventsHandler.class:?]
at cpw.mods.fml.common.eventhandler.ASMEventHandler_4_EventsHandler_onClientConnectToServer_ClientConnectedToServerEvent.invoke(.dynamic) ~[?:?]
at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:51) ~[ASMEventHandler.class:?]
at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:122) ~[EventBus.class:?]
at cpw.mods.fml.common.network.handshake.NetworkDispatcher.completeClientSideConnection(NetworkDispatcher.java:163) ~[NetworkDispatcher.class:?]
at cpw.mods.fml.common.network.handshake.NetworkDispatcher.abortClientHandshake(NetworkDispatcher.java:439) ~[NetworkDispatcher.class:?]
at cpw.mods.fml.common.network.handshake.FMLHandshakeClientState$2.accept(FMLHandshakeClientState.java:46) ~[FMLHandshakeClientState$2.class:?]
at cpw.mods.fml.common.network.handshake.FMLHandshakeClientState$2.accept(FMLHandshakeClientState.java:36) ~[FMLHandshakeClientState$2.class:?]
at cpw.mods.fml.common.network.handshake.HandshakeMessageHandler.userEventTriggered(HandshakeMessageHandler.java:40) ~[HandshakeMessageHandler.class:?]
at io.netty.channel.DefaultChannelHandlerContext.invokeUserEventTriggered(DefaultChannelHandlerContext.java:308) [DefaultChannelHandlerContext.class:?]
at io.netty.channel.DefaultChannelHandlerContext.fireUserEventTriggered(DefaultChannelHandlerContext.java:294) [DefaultChannelHandlerContext.class:?]
at io.netty.channel.ChannelInboundHandlerAdapter.userEventTriggered(ChannelInboundHandlerAdapter.java:108) [ChannelInboundHandlerAdapter.class:?]
at io.netty.channel.DefaultChannelHandlerContext.invokeUserEventTriggered(DefaultChannelHandlerContext.java:308) [DefaultChannelHandlerContext.class:?]
at io.netty.channel.DefaultChannelHandlerContext.fireUserEventTriggered(DefaultChannelHandlerContext.java:294) [DefaultChannelHandlerContext.class:?]
at io.netty.channel.ChannelInboundHandlerAdapter.userEventTriggered(ChannelInboundHandlerAdapter.java:108) [ChannelInboundHandlerAdapter.class:?]
at io.netty.channel.DefaultChannelHandlerContext.invokeUserEventTriggered(DefaultChannelHandlerContext.java:308) [DefaultChannelHandlerContext.class:?]
at io.netty.channel.DefaultChannelHandlerContext.fireUserEventTriggered(DefaultChannelHandlerContext.java:294) [DefaultChannelHandlerContext.class:?]
at io.netty.channel.DefaultChannelPipeline.fireUserEventTriggered(DefaultChannelPipeline.java:779) [DefaultChannelPipeline.class:?]
at cpw.mods.fml.common.network.handshake.NetworkDispatcher.handleVanilla(NetworkDispatcher.java:200) [NetworkDispatcher.class:?]
at cpw.mods.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:188) [NetworkDispatcher.class:?]
at cpw.mods.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:42) [NetworkDispatcher.class:?]
at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:98) [simpleChannelInboundHandler.class:?]
at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:337) [DefaultChannelHandlerContext.class:?]
at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:323) [DefaultChannelHandlerContext.class:?]
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:173) [byteToMessageDecoder.class:?]
at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:337) [DefaultChannelHandlerContext.class:?]
at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:323) [DefaultChannelHandlerContext.class:?]
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:173) [byteToMessageDecoder.class:?]
at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:337) [DefaultChannelHandlerContext.class:?]
at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:323) [DefaultChannelHandlerContext.class:?]
at io.netty.handler.timeout.ReadTimeoutHandler.channelRead(ReadTimeoutHandler.java:149) [ReadTimeoutHandler.class:?]
at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:337) [DefaultChannelHandlerContext.class:?]
at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:323) [DefaultChannelHandlerContext.class:?]
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:785) [DefaultChannelPipeline.class:?]
at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:100) [AbstractNioByteChannel$NioByteUnsafe.class:?]
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:480) [NioEventLoop.class:?]
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:447) [NioEventLoop.class:?]
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:341) [NioEventLoop.class:?]
at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:101) [singleThreadEventExecutor$2.class:?]
at java.lang.Thread.run(Unknown Source) [?:1.7.0_45]
[16:02:26] [Client thread/INFO]: [CHAT] Player387 joined the game.

It is an unmodded bukkit server maybe this is the problem ?

Or is there any Event which I can user for connecting, but then i also need one for the change of the value of live and foodlevel

Mfg FFS2309

//EDIT

At line 61 I'm having the code p.getHealth();

if I remove this it is throwing the same exception but with the line from p.getFoodStats().getFoodLevel();

Quote

April 5, 201411 yr

Author

1. Like sayed in the first post I'm writing a mod which gets info like Health and displays on a Logitech G19s

2. How do I use a TickHandler ? I've searched in the jds, google(in the most time useless cause you only find stuff like how to install forge ...) and in this Forum but I don't find any way for 1.7.2

Mfg FFS2309

Quote

April 5, 201411 yr

Author

1. I need like nothing from Forge , only Playerinfo the rest is to get a Graphics object from the Keyboard where I draw everything and the code for my Classes:

EventHandler.java

package de.impulsecraft.event;

import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.io.IOException;

import com.mojang.authlib.minecraft.MinecraftSessionService;

import scala.collection.parallel.immutable.Repetition;
import net.djpowell.lcdjni.LcdConnection;
import net.djpowell.lcdjni.LcdDevice;
import net.djpowell.lcdjni.LcdRGBABitmap;
import net.djpowell.lcdjni.Priority;
import net.djpowell.lcdjni.SyncType;
import net.minecraft.client.Minecraft;
import net.minecraft.client.entity.EntityClientPlayerMP;
import net.minecraft.client.settings.GameSettings;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.EntityPlayerMP;
import net.minecraft.network.Packet;
import net.minecraft.server.management.PlayerManager;
import net.minecraftforge.client.MinecraftForgeClient;
import net.minecraftforge.common.MinecraftForge;
import cpw.mods.fml.client.registry.ClientRegistry;
import cpw.mods.fml.common.Mod.EventHandler;
import cpw.mods.fml.common.eventhandler.SubscribeEvent;
import cpw.mods.fml.common.gameevent.PlayerEvent.PlayerLoggedInEvent;
import cpw.mods.fml.common.gameevent.PlayerEvent.PlayerLoggedOutEvent;
import cpw.mods.fml.common.gameevent.TickEvent.WorldTickEvent;
import cpw.mods.fml.common.network.FMLNetworkEvent.ClientConnectedToServerEvent;
import cpw.mods.fml.common.network.internal.FMLNetworkHandler;
import cpw.mods.fml.common.registry.GameData;
import cpw.mods.fml.relauncher.SideOnly;
import cpw.mods.fml.relauncher.Side;
import de.impulsecraft.mclcd.MCLcd;

public class EventsHandler {
public LcdConnection con = MCLcd.instance.con;
public LcdDevice device = MCLcd.instance.device;
public LcdRGBABitmap cbmp = device.createRGBABitmap();

@SubscribeEvent
public void onClientConnectToServer(ClientConnectedToServerEvent event){
	drawStats();
}

private void drawStats(){
	EntityClientPlayerMP p = Minecraft.getMinecraft().thePlayer;
	float health = p.getHealth();
	int hunger = p.getFoodStats().getFoodLevel();
	String Playername = p.getDisplayName();
	Graphics g = cbmp.getGraphics();
	g.setColor(Color.BLUE);
	g.fillRect(0, 0, cbmp.getImage().getWidth(), cbmp.getImage().getHeight());
	g.setColor(Color.RED);
	g.setFont(g.getFont().deriveFont(Font.BOLD, 20));
	g.drawString("Life:" + health,0 ,30);
	g.drawString("Satuation:" + hunger, 0, 50);
	g.drawString(Playername, 0, 100);
	g.dispose();
	cbmp.updateScreen(Priority.ALERT, SyncType.SYNC);
	try {
		cbmp.close();
	} catch (IOException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	}
	}
}

MCLcd.java(Main Class)

package de.impulsecraft.mclcd;

import java.awt.Color;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.awt.image.ImageConsumer;
import java.awt.image.ImageProducer;
import java.io.File;
import java.io.IOException;
import java.sql.ClientInfoStatus;

import javax.imageio.ImageIO;
import javax.imageio.stream.ImageInputStream;

import com.mojang.authlib.GameProfile;
import com.mojang.authlib.yggdrasil.response.User.Property;

import net.djpowell.lcdjni.AppletCapability;
import net.djpowell.lcdjni.DeviceType;
import net.djpowell.lcdjni.LcdConnection;
import net.djpowell.lcdjni.LcdDevice;
import net.djpowell.lcdjni.LcdRGBABitmap;
import net.djpowell.lcdjni.Priority;
import net.djpowell.lcdjni.SyncType;
import net.minecraft.client.settings.GameSettings;
import net.minecraft.entity.player.EntityPlayer;
import cpw.mods.fml.client.registry.ClientRegistry;
import cpw.mods.fml.common.FMLCommonHandler;
import cpw.mods.fml.common.Mod;
import cpw.mods.fml.common.Mod.EventHandler; // used in 1.6.2
//import cpw.mods.fml.common.Mod.PreInit;    // used in 1.5.2
//import cpw.mods.fml.common.Mod.Init;       // used in 1.5.2
//import cpw.mods.fml.common.Mod.PostInit;   // used in 1.5.2
import cpw.mods.fml.common.Mod.Instance;
import cpw.mods.fml.common.SidedProxy;
import cpw.mods.fml.common.event.FMLEvent;
import cpw.mods.fml.common.event.FMLInitializationEvent;
import cpw.mods.fml.common.event.FMLModDisabledEvent;
import cpw.mods.fml.common.event.FMLPostInitializationEvent;
import cpw.mods.fml.common.event.FMLPreInitializationEvent;
import cpw.mods.fml.common.gameevent.PlayerEvent.PlayerLoggedInEvent;
import cpw.mods.fml.common.gameevent.TickEvent.WorldTickEvent;
import cpw.mods.fml.common.network.internal.FMLNetworkHandler;
import cpw.mods.fml.common.registry.GameData;
import cpw.mods.fml.common.registry.GameRegistry;
import de.impulsecraft.event.EventsHandler;
//import cpw.mods.fml.common.network.NetworkMod; // not used in 1.7

@Mod(modid="MCLCD", name="MCLcd", version="0.0.1")
//@NetworkMod(clientSideRequired=true) // not used in 1.7
public class MCLcd {

        // The instance of your mod that Forge uses.
        @Instance(value = "MCLCD")
        public static MCLcd instance;
        public LcdConnection con;
        public LcdDevice device;
        // Says where the client and server 'proxy' code is loaded.
        @SidedProxy(clientSide="de.impulsecraft.client.ClientProxy", serverSide="de.impulsecraft.mclcd.CommonProxy")
        public static CommonProxy proxy;
       
        @EventHandler // used in 1.6.2
        //@PreInit    // used in 1.5.2
        public void preInit(FMLPreInitializationEvent event) {
                // Stub Method
        }
       
        @EventHandler // used in 1.6.2
        //@Init       // used in 1.5.2
        public void load(FMLInitializationEvent event) {
                proxy.registerRenderers();
        }
       
        @EventHandler // used in 1.6.2
        //@PostInit   // used in 1.5.2
        public void postInit(FMLPostInitializationEvent event) {
            con = new LcdConnection("Minecraft", false, AppletCapability.getCaps(AppletCapability.QVGA), null, null);
            device = con.openDevice(DeviceType.QVGA, null);
            FMLCommonHandler.instance().bus().register(new EventsHandler());
        }
        
        @EventHandler
        public void modDisabled(FMLModDisabledEvent event){
        	con.close();
        }
        public void test(){
        	
        }
}

The Proxy classes don't contain any code, only a registerRenderers() method of type void which also contains nothing

2. I think I should use that as normal Event or is there something special ?

Mfg FFS2309

Quote

April 5, 201411 yr

Author

Thanks, I will try but isn't it very performance intensive to check every time ? (I don't care it has to work fine on my pc but if I would publish it in the far future is that something I would care about)

Quote

April 5, 201411 yr

Author

Thanks that is working just fine but only with TickType.PLAYER else the client crashes

Quote

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[Client] Get Player health/food level if client connects to server/ they change

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