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Check the distance from a block


IgazHarcos
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Hello!

 

I begin developing a Minecraft mod, where you can find lead and uranium ores. When you touch the uranium (after you mine it), it applies poison effect on you, but i want a similar effect, but only with the ores:

 

When I get close, i want it apply poison on player. How to do  it? I tried similar things (google), but nothing works. thanks for any help!

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I try to register the event:

 

 

    @EventHandler

    public void init(FMLInitializationEvent e) {

        this.proxy.init(e);

    // the majority of events use the MinecraftForge event bus:

        MinecraftForge.EVENT_BUS.register(new CheckTick());

    }

 

 

 

My Code in Player Tick so far:

 

 

package com.example.examplemod;

 

import com.example.examplemod.blocks.ModBlocks;

 

import net.minecraft.block.Block;

import net.minecraft.entity.Entity;

import net.minecraft.entity.player.EntityPlayer;

import net.minecraft.potion.Potion;

import net.minecraft.potion.PotionEffect;

import net.minecraft.util.BlockPos;

import net.minecraft.world.World;

import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;

import net.minecraftforge.fml.common.gameevent.TickEvent.PlayerTickEvent;

import net.minecraftforge.fml.relauncher.Side;

import net.minecraftforge.fml.relauncher.SideOnly;

 

// RenderTick is client side only, so we can place the SideOnly annotation here if we want:

@SideOnly(Side.CLIENT)

public class CheckTick {

//we only need one method here, and you can name it whatever you want, but

//I like to name it according to the tick to which I am listening:

@SubscribeEvent

public void onCheckTick(PlayerTickEvent event, Entity entity, World world) {

EntityPlayer player = (EntityPlayer) entity;

//now you can do whatever you want during each render tick, such as rotate the player's view

Block checkblock=world.getBlockState(new BlockPos(player.posX,player.posY+1,player.posZ)).getBlock();

 

if (checkblock == ModBlocks.tutorialBlock2){

player.addPotionEffect((new PotionEffect(Potion.poison.getId(), 100, 5)));

}

}

}

 

 

 

I try to get the block under the player.Y, and check is that my custom ore. Is this right?

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Thanks for your advice, but I think my problem is not related to lack of knowledge of java, but lack of knowledge of modding. I do all the beginner tutorial (from item create to structures), but now I try to do something that I never tried before, and maybe never will, and there is not a single tutorial for this. Not to mention that nearly all tutorial outdated (pre-1.8).  You help me a lot - and thank you for that :)

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If you knew Java this would be your thought process:

 

  1. [*]Me: "You get world and player from the event".

[*]You: Ok, let me check that. Ok, my event is "PlayerTickEvent". Let me look at that class. Oh look, there is is:

public final EntityPlayer player;

- that's probably what he meant.

[*]Problem solved!

[*]?

[*]Profit.

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I knew java, but for a really short time, and just because I want develop mod, I not say anithing else. But now I look more into the minecraft classes and find every solution (I not use eclipse too much before too), and now i finish the mod. After all, relly really thanks for your patience and help to finish the mod! :)

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java.base/sun.security.ssl.Alert.createSSLException(Alert.java:131)     at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:370)     at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:313)     at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:308)     at java.base/sun.security.ssl.CertificateMessage$T12CertificateConsumer.checkServerCerts(CertificateMessage.java:654)     at java.base/sun.security.ssl.CertificateMessage$T12CertificateConsumer.onCertificate(CertificateMessage.java:473)     at java.base/sun.security.ssl.CertificateMessage$T12CertificateConsumer.consume(CertificateMessage.java:369)     at java.base/sun.security.ssl.SSLHandshake.consume(SSLHandshake.java:396)     at java.base/sun.security.ssl.HandshakeContext.dispatch(HandshakeContext.java:480)     at java.base/sun.security.ssl.HandshakeContext.dispatch(HandshakeContext.java:458)     at java.base/sun.security.ssl.TransportContext.dispatch(TransportContext.java:200)     at java.base/sun.security.ssl.SSLTransport.decode(SSLTransport.java:172)     at java.base/sun.security.ssl.SSLSocketImpl.decode(SSLSocketImpl.java:1500)     at java.base/sun.security.ssl.SSLSocketImpl.readHandshakeRecord(SSLSocketImpl.java:1415)     at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:450)     at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:421)     at java.base/sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:580)     at java.base/sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:183)     at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1665)     at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1589)     at java.base/sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:224)     at java.base/java.net.URL.openStream(URL.java:1161)     at net.minecraftforge.installertools.DownloadMojmaps.process(DownloadMojmaps.java:65)     at net.minecraftforge.installertools.ConsoleTool.main(ConsoleTool.java:55)     at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)     at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)     at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)     at java.base/java.lang.reflect.Method.invoke(Method.java:568)     at net.minecraftforge.installer.actions.PostProcessors.process(PostProcessors.java:226)     at net.minecraftforge.installer.actions.ClientInstall.run(ClientInstall.java:144)     at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:423)     at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:175)     at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:147) Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target     at java.base/sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:439)     at java.base/sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:306)     at java.base/sun.security.validator.Validator.validate(Validator.java:264)     at java.base/sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:231)     at java.base/sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:132)     at java.base/sun.security.ssl.CertificateMessage$T12CertificateConsumer.checkServerCerts(CertificateMessage.java:638)     ... 28 more Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target     at java.base/sun.security.provider.certpath.SunCertPathBuilder.build(SunCertPathBuilder.java:141)     at java.base/sun.security.provider.certpath.SunCertPathBuilder.engineBuild(SunCertPathBuilder.java:126)     at java.base/java.security.cert.CertPathBuilder.build(CertPathBuilder.java:297)     at java.base/sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:434)     ... 33 more Failed to run processor: javax.net.ssl.SSLHandshakeException:PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target See log for more details.  
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