[SOLVED] Custom Liquid Issues

Tyler_Watson · November 23, 2013

I'm trying to create a custom liquid and I can get the game running but I cant give myself the liquid and the tutorial I followed didn't explain anything very well. I get a crash file but I can't figure out whats wrong with it. Any help would be great.

Here's my code:

BlockSewageWater

package TylerWatson.Mod;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.client.renderer.texture.IconRegister;
import net.minecraft.util.Icon;
import net.minecraft.world.IBlockAccess;
import net.minecraftforge.fluids.BlockFluidClassic;
import net.minecraftforge.fluids.Fluid;

public class BlockSewageWater extends BlockFluidClassic{

public BlockSewageWater(int id) {
	super(id, PenguinMod.fluidSewageWater, Material.water);

	this.setCreativeTab(PenguinMod.tabPenguin);
}
@Override
@SideOnly(Side.CLIENT)
public Icon getIcon(int side, int meta){
	return Block.waterMoving.getIcon(side,  meta);
}

@Override
public int colorMultiplier(IBlockAccess iblockaccess, int x, int y, int z)
{
	return 0x8E2D00; // HEX color code as indicated by the 0x infront. This is a greenish color. <---No
	}
}

FluidSewageWater

package TylerWatson.Mod;

import net.minecraftforge.fluids.Fluid;
import net.minecraftforge.fluids.FluidRegistry;

public class FluidSewageWater extends Fluid{

public FluidSewageWater(String fluidName) {
	super("SewageWater");

	setDensity(10); // How thick the fluid is, affects movement inside the liquid.
	setViscosity(1000); // How fast the fluid flows.
	FluidRegistry.registerFluid(this); // Registering inside it self, keeps things neat 
	}
}

Main Class

        //Liquids
        public static Fluid fluidSewageWater;
        public static Block blockSewageWater;
        public static final int idSewageWater = 155;

And inside my @EventHandler

            //Liquids TODO fix
                fluidSewageWater = new Fluid("FluidSewageWater").setBlockID(idSewageWater);
                fluidSewageWater = new FluidSewageWater(null);
                blockSewageWater = BlockSewageWater(155, "BlockSewageWater"); //Line 264
                GameRegistry.registerBlock(blockSewageWater, "BlockSewageWater");
                LanguageRegistry.addName(blockSewageWater, "Sewage Water");

Crash log

---- Minecraft Crash Report ----
// Everything's going to plan. No, really, that was supposed to happen.

Time: 11/23/13 5:36 PM
Description: There was a severe problem during mod loading that has caused the game to fail

cpw.mods.fml.common.LoaderException: java.lang.NullPointerException
at cpw.mods.fml.common.registry.GameRegistry.registerBlock(GameRegistry.java:232)
at cpw.mods.fml.common.registry.GameRegistry.registerBlock(GameRegistry.java:195)
at cpw.mods.fml.common.registry.GameRegistry.registerBlock(GameRegistry.java:171)
at TylerWatson.Mod.PenguinMod.load(PenguinMod.java:265)
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 cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:540)
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 com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:313)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
at com.google.common.eventbus.EventBus.post(EventBus.java:267)
at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:193)
at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:173)
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 com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:313)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
at com.google.common.eventbus.EventBus.post(EventBus.java:267)
at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:104)
at cpw.mods.fml.common.Loader.initializeMods(Loader.java:697)
at cpw.mods.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:222)
at net.minecraft.client.Minecraft.startGame(Minecraft.java:506)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:796)
at net.minecraft.client.main.Main.main(Main.java:93)
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:57)
at net.minecraft.launchwrapper.Launch.main(Launch.java:18)
Caused by: java.lang.NullPointerException
at cpw.mods.fml.common.registry.GameRegistry.registerBlock(GameRegistry.java:214)
... 40 more


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

-- System Details --
Details:
Minecraft Version: 1.6.2
Operating System: Windows 8 (amd64) version 6.2
Java Version: 1.7.0_13, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 957589488 bytes (913 MB) / 1037959168 bytes (989 MB) up to 1037959168 bytes (989 MB)
JVM Flags: 3 total; -Xincgc -Xmx1024M -Xms1024M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Suspicious classes: FML and Forge are installed
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP v8.04 FML v6.2.19.789 Minecraft Forge 9.10.0.789 4 mods loaded, 4 mods active
mcp{8.04} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized
FML{6.2.19.789} [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized
Forge{9.10.0.789} [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized
penguinmod{Pre-Alpha v0.001} [Penguin & Coconut Mod] (bin) Unloaded->Constructed->Pre-initialized->Errored

Anyone that has a good tutorial or can fix my issue would be appreciated.

TheGreyGhost · November 23, 2013

Hi

I suspect the problem is here

blockSewageWater = BlockSewageWater(155, "BlockSewageWater"); //Line 264

this should probably be

blockSewageWater = new BlockSewageWater(155, "BlockSewageWater"); //Line 264

-TGG

Tyler_Watson · November 24, 2013

I tried that but I get the error:

The constructor BlockSewageWater(int, string) is undefined

Also in my BlockSewageWater class i'm getting an error:

package TylerWatson.Mod;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.client.renderer.texture.IconRegister;
import net.minecraft.util.Icon;
import net.minecraft.world.IBlockAccess;
import net.minecraftforge.fluids.BlockFluidClassic;
import net.minecraftforge.fluids.Fluid;

public class BlockSewageWater extends BlockFluidClassic{

public BlockSewageWater(int id) {
	super(id, PenguinMod.fluidSewageWater, Material.water);

	this.setCreativeTab(PenguinMod.tabPenguin);
}
@Override
@SideOnly(Side.CLIENT)
public Icon getIcon(int side, int meta){
	return Block.waterMoving.getIcon(side,  meta);
}

@Override
public int colorMultiplier(IBlockAccess iblockaccess, int x, int y, int z)
{
	return 0x8E2D00; // HEX color code as indicated by the 0x infront. This is a greenish color. <---No
	}
}

The super gives me an error on PenguinMod.fluidSewageWater that says:

fluidSewageWater can't be resolved or is not a field.

I have no idea how to fix this because I'm not too familiar with Forge yet.

WinneonSword · November 24, 2013

The reason

blockSewageWater = new BlockSewageWater(155, "BlockSewageWater"); //Line 264

is returning an undefined error is because the constructor for BlockSewage water is only accepting an integer as a parameter, not a integer and a string as you have in that variable.

Tyler_Watson · November 24, 2013

I went back to the tutorial and followed the code exactly and I have no errors in my code but in the console it says ~~ERROR~~ NullPointerException: null

Code:

MainClass

        //Liquids TODO fix
        public static Block blockSewageWater;
        public static Fluid fluidSewageWater;
        public static Material materialSewageWater;
        public static final int idSewageWater = 155;

And

                fluidSewageWater = new Fluid("FluidSewageWater").setBlockID(idSewageWater);
                FluidRegistry.registerFluid(fluidSewageWater);
                materialSewageWater = new MaterialLiquid(MapColor.dirtColor);
                blockSewageWater = new BlockSewageWater(idSewageWater, fluidSewageWater, materialSewageWater).setUnlocalizedName("SewageWater");
                registerBLock(blockSewageWater, "FluidSewageWater");

BlockSewageWater

package TylerWatson.Mod;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.client.renderer.texture.IconRegister;
import net.minecraft.util.Icon;
import net.minecraft.world.IBlockAccess;
import net.minecraftforge.fluids.BlockFluidClassic;
import net.minecraftforge.fluids.Fluid;

public class BlockSewageWater extends BlockFluidClassic{

public BlockSewageWater(int id, Fluid fluid, Material material) {
	super(id, fluid, material);
	this.setCreativeTab(PenguinMod.tabPenguin); 
}



@Override
@SideOnly(Side.CLIENT)
public Icon getIcon(int side, int meta){
	return Block.waterMoving.getIcon(side,  meta);
}

@Override
public int colorMultiplier(IBlockAccess iblockaccess, int x, int y, int z)
{
	return 0x8E2D00; // HEX color code as indicated by the 0x infront. This is a greenish color. <---No
	}
}

I'm sorry if it seems like I don't know what I'm doing. I have an intermediate knowledge of java, but I'm at a loss when it comes to fixing issues in forge.

GotoLink · November 24, 2013

You have trouble constructing objects and fixing a null exception. That isn't an issue with Forge.

registerBLock(blockSewageWater, "FluidSewageWater");

Does that method exist ?

Tyler_Watson · November 24, 2013

I fixed the issue. My id was conflicting with Quarts block but it's fixed now. Thanks for all your help.

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[SOLVED] Custom Liquid Issues

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