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[solved]Entity onUpdate crash

Jershy

By Jershy
in Modder Support

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Jershy Tree Puncher

Jershy

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Posted

      Every time i attemp to spawn my entity in the world it crashes. The crash report,

---- Minecraft Crash Report ----

// I blame Dinnerbone.

 

Time: 1/3/15 12:50 PM

Description: Ticking entity

 

java.lang.NullPointerException: Ticking entity

at src.IVWeather.entity.EntityWeatherAirmass.onUpdate(EntityWeatherAirmass.java:92)

at net.minecraft.world.World.updateEntityWithOptionalForce(World.java:2019)

at net.minecraft.world.WorldServer.updateEntityWithOptionalForce(WorldServer.java:659)

at net.minecraft.world.World.updateEntity(World.java:1983)

at net.minecraft.world.World.updateEntities(World.java:1836)

at net.minecraft.world.WorldServer.updateEntities(WorldServer.java:500)

at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:620)

at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:531)

at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:111)

at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:414)

at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:669)

 

 

A detailed walkthrough of the error, its code path and all known details is as follows:

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

 

-- Head --

Stacktrace:

at src.IVWeather.entity.EntityWeatherAirmass.onUpdate(EntityWeatherAirmass.java:92)

at net.minecraft.world.World.updateEntityWithOptionalForce(World.java:2019)

at net.minecraft.world.WorldServer.updateEntityWithOptionalForce(WorldServer.java:659)

at net.minecraft.world.World.updateEntity(World.java:1983)

 

-- Entity being ticked --

Details:

Entity Type: null (src.IVWeather.entity.EntityWeatherAirmass)

Entity ID: 432

Entity Name: unknown

Entity's Exact location: 463.00, 60.00, 507.00

Entity's Block location: World: (463,60,507), Chunk: (at 15,3,11 in 28,31; contains blocks 448,0,496 to 463,255,511), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)

Entity's Momentum: 0.00, 0.00, 0.00

Stacktrace:

at net.minecraft.world.World.updateEntities(World.java:1836)

at net.minecraft.world.WorldServer.updateEntities(WorldServer.java:500)

 

-- Affected level --

Details:

Level name: New World

All players: 1 total; [EntityPlayerMP['Player727'/77, l='New World', x=463.30, y=72.20, z=507.63]]

Chunk stats: ServerChunkCache: 1067 Drop: 0

Level seed: -4909607235419393895

Level generator: ID 00 - default, ver 1. Features enabled: true

Level generator options:

Level spawn location: World: (-156,64,72), Chunk: (at 4,4,8 in -10,4; contains blocks -160,0,64 to -145,255,79), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)

Level time: 10859 game time, 10859 day time

Level dimension: 0

Level storage version: 0x04ABD - Anvil

Level weather: Rain time: 77029 (now: false), thunder time: 95663 (now: false)

Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true

Stacktrace:

at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:620)

at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:531)

at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:111)

at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:414)

at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:669)

 

-- System Details --

Details:

Minecraft Version: 1.7.2

Operating System: Windows 8.1 (amd64) version 6.3

Java Version: 1.7.0_72, Oracle Corporation

Java VM Version: Java HotSpot 64-Bit Server VM (mixed mode), Oracle Corporation

Memory: 917281944 bytes (874 MB) / 1038876672 bytes (990 MB) up to 1038876672 bytes (990 MB)

JVM Flags: 3 total; -Xincgc -Xmx1024M -Xms1024M

AABB Pool Size: 3138 (175728 bytes; 0 MB) allocated, 2911 (163016 bytes; 0 MB) used

IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95

FML: MCP v9.03 FML v7.2.165.1063 Minecraft Forge 10.12.1.1063 4 mods loaded, 4 mods active

mcp{9.03} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

FML{7.2.165.1063} [Forge Mod Lo

leads me to the line 92 of my entity class, where I create a biome gen base that is from the world method getBiomeGenFromCoords. I have tried all that i could to attempt to fix this crash.

 

Entity class

package src.IVWeather.entity;

 

import java.util.List;

 

import src.IVWeather.biome.BiomeTemperature;

import src.IVWeather.block.BlockFlyingBlock;

import IVWeather.iv.biome.WindDirection;

import net.minecraft.block.Block;

import net.minecraft.block.material.Material;

import net.minecraft.entity.Entity;

import net.minecraft.entity.effect.EntityWeatherEffect;

import net.minecraft.entity.player.EntityPlayer;

import net.minecraft.init.Blocks;

import net.minecraft.nbt.NBTTagCompound;

import net.minecraft.util.AxisAlignedBB;

import net.minecraft.util.MathHelper;

import net.minecraft.world.World;

import net.minecraft.world.biome.BiomeDecorator;

import net.minecraft.world.biome.BiomeGenBase;

import net.minecraft.world.chunk.Chunk;

 

public class EntityWeatherAirmass extends WeatherEntity{

 

public World worldObj;

public float temperature;

public float maxGramsOfWaterHoldable;

public float currentGramsOfWaterInAir;

BiomeTemperature BiomeTemp;

public float evaporationrate;

public float dewpoint;

int time;

double droplesize;

boolean rainProcess;

double yboundingBoxERatePerTick;

public boolean eventFlag;

List precipitationCunkList;

public BiomeTemperature bt;

public EntityWeatherAirmass(World thisworld) {

super(thisworld);

}

 

public EntityWeatherAirmass(World arg0, float par1, Chunk chunk, double ddY, float setx, float setz) {

super(arg0);

this.setSize(setx, setz);

this.temperature = par1;

this.currentGramsOfWaterInAir =  evaporationrate;

this.maxGramsOfWaterHoldable = .1580888888888888f * (temperature * 50);

this.humidity = (this.currentGramsOfWaterInAir * 100) / this.maxGramsOfWaterHoldable;

    this.WARM = false;

  this.COOL = false;

  this.COLD = false;

  this.HOT = false;

  int time = 0;

  droplesize = 0;

 

  this.posX = chunk.xPosition;

  this.posZ = chunk.zPosition;

  this.posY = ddY;

}

 

 

 

 

 

public void getDensity(BiomeTemperature BiomeTemp, EntityWeatherAirmass par3, EntityWeatherAirmass par4)

{

 

if(par3.temperature > par4.temperature) {

par3.WARM = true;

}else{

par3.COLD = true;

}

 

 

}

 

public float gethumidity() {

return humidity;

}

 

public boolean canBeCollidedWith() {

return false;

 

}

 

 

boolean flerg;

private List collidingBoundingWeather;

 

public void onUpdate() {

// below is line 92

BiomeGenBase Biom = worldObj.getBiomeGenForCoords((int)Math.floor(this.posX), (int)Math.floor(this.posZ));

 

double prevPosY = this.posY;

double cbiomeTemp = bt.getBiomeTemp(worldObj, Biom);

 

this.collidingBoundingWeather.clear();

 

  int i = MathHelper.floor_double(this.boundingBox.minX);

  int j = MathHelper.floor_double(this.boundingBox.maxX + 1.0D);

  int k = MathHelper.floor_double(this.boundingBox.minY);

  int l = MathHelper.floor_double(this.boundingBox.maxY + 1.0D);

  int i1 = MathHelper.floor_double(this.boundingBox.minZ);

  int j1 = MathHelper.floor_double(this.boundingBox.maxZ + 1.0D);

  double d0 = 0.25D;

 

  for(int q = i; q < j; q++) {

  for(int w = k; k < l; k++) {

  for(int f = i1; f < j1; f++) {

 

  Block block = worldObj.getBlock(q, w, f);

 

  List list = worldObj.getEntitiesWithinAABBExcludingEntity(this, this.boundingBox.expand(d0, d0, d0));

 

  for (int j2 = 0; j2 < list.size(); j2++)

  {

    Entity entity = ((Entity)list.get(j2));

   

    if(entity instanceof EntityWeatherAirmass){

   

    this.collidingBoundingWeather.add(entity);

    }

double prevY = this.posY;

double prevMY= this.boundingBox.maxY;

 

for(int u =0; u < list.size(); u++) {

 

EntityWeatherAirmass e = (EntityWeatherAirmass) list.get(u);

 

e.WARM = false;

e.COLD = false;

e.HOT = false;

this.COLD = false;

this.HOT = false;

this.WARM = false;

 

if(e.temperature < this.temperature){

 

e.COLD = true;

this.WARM = true;

 

}else if(e.temperature > this.temperature){

 

e.WARM = true;

this.COLD = true;

 

}else if(e.temperature > this.temperature && e.humidity < this.humidity) {

 

e.HOT = true;

this.COLD = true;

 

}

 

boolean eAirMassTSupport = false;

boolean thisAirMassTSupport = false;

 

double distance = 0;

double distance2 = 0;

distance = Math.abs(this.temperature - cbiomeTemp);

distance2 = Math.abs(e.temperature - cbiomeTemp);

 

if(distance < distance2) {

eAirMassTSupport = true;

}

else

{

thisAirMassTSupport = true;

}

 

if(this.WARM) {

if(thisAirMassTSupport){

this.boundingBox.expand(0, this.temperature - cbiomeTemp, 0);

}

else

{

this.motionY = ((this.temperature - e.temperature) / 4);

}

}

 

if(this.COLD) {

if(this.getCollidingBlockWithWE(this, this.boundingBox).size() < 150 && this.boundingBox.minX <= 55) {

this.motionY = -((this.temperature - e.temperature) / 4);

}

}

if(this.HOT)  {

this.motionY = ((this.temperature - e.temperature) / 3);

if(e.humidity - this.humidity > this.humidity + (this.humidity / 6)) {

flerg = true;

}

}

 

if(flerg == true) {

this.humidity = this.humidity + (float) .001;

}

if(list.size() == 0) {

if(this.temperature > cbiomeTemp) {

this.WARM = true;

}else{

this.COLD = true;

}

this.boundingBox.expand(15, 0, 15);

if(this.boundingBox.maxY < 3000) {

this.boundingBox.expand(0, 15, 0);

if(this.WARM && this.boundingBox.maxY > (Biom.temperature - (this.boundingBox.maxY / 700))) {

 

}

}

}

if(bt.timeSinceLastRain > 0) {

this.evaporationrate = (float) (BiomeTemp.getBiomeTemp(worldObj, Biom)) * (bt.timeSinceLastRain /12000);

}else{

this.evaporationrate = (float) (BiomeTemp.getBiomeTemp(worldObj, Biom));

}

this.currentGramsOfWaterInAir = maxGramsOfWaterHoldable / evaporationrate;

this.maxGramsOfWaterHoldable = .1580888888888888f * (temperature * 50);

this.humidity = (this.currentGramsOfWaterInAir * 100) / this.maxGramsOfWaterHoldable;

  dewpoint = bt.getDewPoint(humidity, this.temperature);

 

  yboundingBoxERatePerTick = prevMY - prevY;

 

  if(this.temperature <= dewpoint) {

  this.rainProcess = true;

  if(droplesize <= 0) {

  droplesize = .0000000001;

  }

droplesize =  droplesize  * time;

 

  int gravity = 18000;

 

  if(droplesize > (gravity + (this.yboundingBoxERatePerTick ) * 2.8)) {

  double maxx = this.boundingBox.maxX;

  double minx = this.boundingBox.minX;

  double maxz = this.boundingBox.maxZ;

  double minz = this.boundingBox.minZ;

 

  for(int o = (int) minx; o < maxx; o++) {

  for(int p = (int) minz; p < maxz; p++) {

 

  Chunk C = worldObj.getChunkFromBlockCoords(o, p);

 

  this.precipitationCunkList.clear();

 

  this.precipitationCunkList.add©;

 

  }

  }

  }

  }

 

  double velocity = (this.motionX + this.motionY + this.motionZ )/3;

 

  if(velocity > block.getBlockHardness(worldObj, q, w, f)) {

 

  float hard1 = block.getBlockHardness(worldObj, q, w, f);

  block = new BlockFlyingBlock(block.getMaterial(), block, hard1);

     

    }

  if(this.humidity < e.humidity) {

  this.humidity = this.humidity + ((e.humidity - this.humidity)/50);

  }else if(this.humidity < bt.getBiomeTemp(worldObj, Biom)) {

  this.humidity = this.humidity + ((e.humidity - bt.getBiomeTemp(worldObj, Biom))/50);

  }

}

  }

  }

  }

}

    }

 

 

 

protected void entityInit() {

 

 

 

}

 

public List collidingAirmasses(EntityWeatherAirmass ewa) {

List list = this.collidingBoundingWeather;

list.clear();

  int i = MathHelper.floor_double(this.boundingBox.minX);

  int j = MathHelper.floor_double(this.boundingBox.maxX + 1.0D);

  int k = MathHelper.floor_double(this.boundingBox.minY);

  int l = MathHelper.floor_double(this.boundingBox.maxY + 1.0D);

  int i1 = MathHelper.floor_double(this.boundingBox.minZ);

  int j1 = MathHelper.floor_double(this.boundingBox.maxZ + 1.0D);

  double d0 = 0.25D;

 

  for(int q = i; q < j; q++) {

  for(int w = k; k < l; k++) {

  for(int f = i1; f < j1; f++) {

 

  Block block = worldObj.getBlock(q, w, f);

 

  List list2 = worldObj.getEntitiesWithinAABBExcludingEntity(this, this.boundingBox.expand(d0, d0, d0));

 

  for (int j2 = 0; j2 < list2.size(); j2++)

  {

    Entity entity = ((Entity)list2.get(j2));

   

    if(entity instanceof EntityWeatherAirmass){

   

    list.add(entity);

    }

  }

}

  }

  }

  return list;

}

 

@Override

protected void readEntityFromNBT(NBTTagCompound arg0) {

// TODO Auto-generated method stub

 

}

 

@Override

protected void writeEntityToNBT(NBTTagCompound arg0) {

// TODO Auto-generated method stub

 

}

 

}

 

 

 

 

 

Thank You, and feel free to be critical.

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