[1.8] How to Create a Custom Liquid?

1Poseidon3 · October 30, 2015

I have looked all over Google and everywhere else and I could not find a single accurate guide for 1.8 on how to add a custom liquid to the game. They were all in 1.7.10 and I know the way that you add custom items and blocks to the game is WAY different than it used to be so I assume it's similar for liquids as well. Does anyone have a guide they used or something? It seems that everyone but me knows how to make liquids for 1.8. Can someone explain? Thanks!

Choonster · October 30, 2015

Adding the

Fluid

and its

Block

aren't that different in 1.8, except you need to pass

ResourceLocation

s of the fluid's textures to the

Fluid

constructor.

The new model system is fairly different, though. You need to use Forge's advanced blockstates format to tell each fluid block to use Forge's fluid model and specify which

Fluid

to use the textures from.

I don't have a guide, but I do have examples:

```
Fluid
```
/
```
Block
```
instantiation and registration: my mod, Forge
Model registration: my mod, Forge
Blockstates file: my mod, Forge

The registration of fluid containers (buckets and tanks) in my

ModFluids

class is currently broken (

FluidContainerRegistry

doesn't support NBT-based fluid containers), so don't use that.

Edit: Fixed the formatting.

1Poseidon3 · October 30, 2015

Adding the
Fluid
and its
Block
aren't that different in 1.8, except you need to pass
ResourceLocation
s of the fluid's textures to the
Fluid
constructor.

The new model system is fairly different, though. You need to use Forge's advanced blockstates format to tell each fluid block to use Forge's fluid model and specify which
Fluid
to use the textures from.

I don't have a guide, but I do have examples:
Fluid
/
Block
instantiation and registration: my mod, Forge
Model registration: my mod, Forge

Blockstates file: my mod, Forge
The registration of fluid containers (buckets and tanks) in my
ModFluids
class is currently broken (
FluidContainerRegistry
doesn't support NBT-based fluid containers), so don't use that.

Edit: Fixed the formatting.

This is really helpful. Thanks! Can you create all of your liquids in one class like I did with my blocks and items? Example below:


package com.poseidon.example.init;


import com.poseidon.example.*;


import net.minecraft.client.Minecraft;
import net.minecraft.client.resources.model.ModelResourceLocation;
import net.minecraft.item.Item;
import net.minecraftforge.fml.common.registry.GameRegistry;


public class EampleItems {
   
   public static Item example_item;
   
   public static void init()
   {
      example_item= new Item().setUnlocalizedName("example_item").setCreativeTab(ExampleTab.tab);
   }
   
   public static void register()
   {
      GameRegistry.registerItem(example_item, example_item.getUnlocalizedName().substring(5));
   
   public static void registerRenders()
   {
      registerRender(example_item);
   }
   
   public static void registerRender(Item item)
   {
      Minecraft.getMinecraft().getRenderItem().getItemModelMesher().register(item, 0, new ModelResourceLocation(Reference.MOD_ID + ":" + item.getUnlocalizedName().substring(5), "inventory"));
   }
}

EDIT: Another quick question: What does the gas stuff mean when creating a liquid?

Choonster · October 30, 2015

This is really helpful. Thanks! Can you create all of your liquids in one class like I did with my blocks and items?

Yes, that's what my

ModFluids

class does. You can do model registration in the same class as the fluid creation/registration, but I prefer to register all models in a separate client-only class (

ModModelManager

).

Another quick question: What does the gas stuff mean when creating a liquid?

A

Fluid

can be either a liquid or a gas. Liquids behave like Water/Lava, gases are just liquids that flow upwards instead of downwards.

1Poseidon3 · October 30, 2015

This is really helpful. Thanks! Can you create all of your liquids in one class like I did with my blocks and items?

Yes, that's what my
ModFluids
class does. You can do model registration in the same class as the fluid creation/registration, but I prefer to register all models in a separate client-only class (
ModModelManager
).

Another quick question: What does the gas stuff mean when creating a liquid?

A
Fluid
can be either a liquid or a gas. Liquids behave like Water/Lava, gases are just liquids that flow upwards instead of downwards.

I put that code in a new file but it's missing some things like FluidNoFlow and things like that. How exactly does this fluid creation work? I don't understand most of this at an initial glance because I am still relatively new to mod creation. Could you please explain how this works (if it isn't too much work for you)?

Choonster · October 30, 2015

I put that code in a new file but it's missing some things like FluidNoFlow and things like that. How exactly does this fluid creation work? I don't understand most of this at an initial glance because I am still relatively new to mod creation. Could you please explain how this works (if it isn't too much work for you)?

BlockFluidNoFlow

is my own fluid block class, it's just a fluid that doesn't flow outwards.

BlockFluidClassic

and

BlockFluidFinite

are the fluid block classes provided by Forge. The doc comment on each class briefly explains what it does.

ModFluids.createFluid

creates and registers the

Fluid

instance (a singleton like

Block

and

Item

) using the specified fluid name and texture name. The

Fluid

instance defines the physical properties of the fluid like luminosity, density and viscosity (explained in doc comments of the corresponding

Fluid

fields).

ModFluids.registerFluidBlock

receives the fluid's

Block

instance as an argument, sets its unlocalised name to the fluid's unlocalised name and registers it. The

Block

instance represents the fluid when it's in the world and actually implements the in-world behaviour corresponding to the

Fluid

's properties (e.g. light level is controlled by the luminosity, flow speed is controlled by the viscosity).

My code doesn't handle the

Fluid

already being registered by another mod. If a

Fluid

with the same name as yours (e.g.

steam

) is already registered, you should use that

Fluid

instance and its

Block

instead of creating your own. I know BuildCraft has an example of this (for 1.7.10, but it should be the same in 1..

Edit: I wish 8 followed by a ) didn't turn into a smiley.

Choonster · October 30, 2015

Edit: I wish 8 followed by a ) didn't turn into a smiley.

I don't know what you are talking about [nobbc][/nobbc]

Jokes aside: Either check "Don't use smileys" in "Attachments and other options" or disable BBCode temporarily by surrounding the desired passage with
[nobbc][nobbc][/nobbc][/nobbc]
(the creation of this involved that tag ).

Thanks, I wasn't aware of that option.

1Poseidon3 · October 30, 2015

I put that code in a new file but it's missing some things like FluidNoFlow and things like that. How exactly does this fluid creation work? I don't understand most of this at an initial glance because I am still relatively new to mod creation. Could you please explain how this works (if it isn't too much work for you)?
BlockFluidNoFlow
is my own fluid block class, it's just a fluid that doesn't flow outwards.
BlockFluidClassic
and
BlockFluidFinite
are the fluid block classes provided by Forge. The doc comment on each class briefly explains what it does.
ModFluids.createFluid
creates and registers the
Fluid
instance (a singleton like
Block
and
Item
) using the specified fluid name and texture name. The
Fluid
instance defines the physical properties of the fluid like luminosity, density and viscosity (explained in doc comments of the corresponding
Fluid
fields).
ModFluids.registerFluidBlock
receives the fluid's
Block
instance as an argument, sets its unlocalised name to the fluid's unlocalised name and registers it. The
Block
instance represents the fluid when it's in the world and actually implements the in-world behaviour corresponding to the
Fluid
's properties (e.g. light level is controlled by the luminosity, flow speed is controlled by the viscosity).

My code doesn't handle the
Fluid
already being registered by another mod. If a
Fluid
with the same name as yours (e.g.
steam
) is already registered, you should use that
Fluid
instance and its
Block
instead of creating your own. I know BuildCraft has an example of this (for 1.7.10, but it should be the same in 1. .

Edit: I wish 8 followed by a ) didn't turn into a smiley.

Ok so this helped a lot and I've been following what your code does but I have encountered an issue that's really getting to me. Here's the code it's happening in:


public class PTFluids {

public static Fluid mercury_fluid_static;
public static BlockFluidClassic mercury_block_static;


public static Fluid fluidNormalGas;
public static BlockFluidClassic blockNormalGas;


public static Set<IFluidBlock> fluidBlocks = new HashSet<IFluidBlock>();


public static void registerFluids() {

	mercury_fluid_static = createFluid("mercury", "pt:blocks/mercury_still", false).setLuminosity(10).setDensity(1600).setViscosity(1);
	mercury_block_static = registerFluidBlock(new BlockFluidClassic(mercury_block_static, new MaterialLiquid(MapColor.grayColor)));


	fluidNormalGas = createFluid("normalgas", "testmod3:blocks/fluid_normalGas", true).setLuminosity(10).setDensity(-1600).setViscosity(100).setGaseous(true);
	blockNormalGas = registerFluidBlock(new BlockFluidClassic(fluidNormalGas, new MaterialLiquid(MapColor.adobeColor)));
}

For some reason, my custom liquid (mercury) is throwing an error in (new BlockFluidClassic(mercury_block_static, new MaterialLiquid(MapColor.grayColor));

I don't know why this is happening since it's identical to your original code except for the things needed to change for mine yet it is throwing the error saying the method is undefined. Any ideas why this is happening?

Choonster · October 30, 2015

Post the full error and the full class.

1Poseidon3 · November 2, 2015

Post the full error and the full class.

Sorry it took me so long. I had a busy weekend.

Error


[20:24:56] [main/INFO] [GradleStart]: Extra: []
[20:24:56] [main/INFO] [GradleStart]: Running with arguments: [--userProperties, {}, --assetsDir, C:/Users/Liam/.gradle/caches/minecraft/assets, --assetIndex, 1.8, --accessToken, {REDACTED}, --version, 1.8, --tweakClass, net.minecraftforge.fml.common.launcher.FMLTweaker, --tweakClass, net.minecraftforge.gradle.tweakers.CoremodTweaker]
[20:24:56] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
[20:24:56] [main/INFO] [LaunchWrapper]: Using primary tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
[20:24:56] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.gradle.tweakers.CoremodTweaker
[20:24:56] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLTweaker
[20:24:56] [main/INFO] [FML]: Forge Mod Loader version 8.99.124.1450 for Minecraft 1.8 loading
[20:24:56] [main/INFO] [FML]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_60, running on Windows 8:amd64:6.2, installed at C:\Program Files\Java\jre1.8.0_60
[20:24:56] [main/INFO] [FML]: Managed to load a deobfuscated Minecraft name- we are in a deobfuscated environment. Skipping runtime deobfuscation
[20:24:56] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.gradle.tweakers.CoremodTweaker
[20:24:56] [main/INFO] [GradleStart]: Injecting location in coremod net.minecraftforge.fml.relauncher.FMLCorePlugin
[20:24:56] [main/INFO] [GradleStart]: Injecting location in coremod net.minecraftforge.classloading.FMLForgePlugin
[20:24:56] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[20:24:56] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLDeobfTweaker
[20:24:56] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.gradle.tweakers.AccessTransformerTweaker
[20:24:56] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[20:24:56] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[20:24:56] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper
[20:24:57] [main/ERROR] [FML]: The binary patch set is missing. Either you are in a development environment, or things are not going to work!
[20:25:00] [main/ERROR] [FML]: FML appears to be missing any signature data. This is not a good thing
[20:25:00] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper
[20:25:00] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLDeobfTweaker
[20:25:01] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.gradle.tweakers.AccessTransformerTweaker
[20:25:01] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.TerminalTweaker
[20:25:01] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.TerminalTweaker
[20:25:01] [main/INFO] [LaunchWrapper]: Launching wrapped minecraft {net.minecraft.client.main.Main}
[20:25:20] [Client thread/INFO]: Setting user: Player992
[20:25:26] [Client thread/INFO]: LWJGL Version: 2.9.1
[20:25:29] [Client thread/INFO] [sTDOUT]: [net.minecraftforge.fml.client.SplashProgress:start:235]: ---- Minecraft Crash Report ----
// I feel sad now 


Time: 11/1/15 8:25 PM
Description: Loading screen debug info


This is just a prompt for computer specs to be printed. THIS IS NOT A ERROR




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


-- System Details --
Details:
Minecraft Version: 1.8
Operating System: Windows 8 (amd64) version 6.2
Java Version: 1.8.0_60, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 726033656 bytes (692 MB) / 1038876672 bytes (990 MB) up to 1038876672 bytes (990 MB)
JVM Flags: 3 total; -Xincgc -Xmx1024M -Xms1024M
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: 
Loaded coremods (and transformers): 
GL info: ' Vendor: 'ATI Technologies Inc.' Version: '4.2.11774 Compatibility Profile Context' Renderer: 'AMD Radeon HD 7640G'
[20:25:29] [Client thread/INFO] [MinecraftForge]: Attempting early MinecraftForge initialization
[20:25:29] [Client thread/INFO] [FML]: MinecraftForge v11.14.3.1450 Initialized
[20:25:29] [Client thread/INFO] [FML]: Replaced 204 ore recipies
[20:25:30] [Client thread/INFO] [MinecraftForge]: Completed early MinecraftForge initialization
[20:25:31] [Client thread/INFO] [FML]: Found 0 mods from the command line. Injecting into mod discoverer
[20:25:31] [Client thread/INFO] [FML]: Searching C:\Users\Liam\Desktop\Minecraft Forge\eclipse\mods for mods
[20:25:35] [Client thread/INFO] [FML]: Forge Mod Loader has identified 4 mods to load
[20:25:36] [Client thread/INFO] [FML]: Attempting connection with missing mods [mcp, FML, Forge, pt] at CLIENT
[20:25:36] [Client thread/INFO] [FML]: Attempting connection with missing mods [mcp, FML, Forge, pt] at SERVER
[20:25:37] [Client thread/INFO]: Reloading ResourceManager: Default, FMLFileResourcePack:Forge Mod Loader, FMLFileResourcePack:Minecraft Forge, FMLFileResourcePack:Periodic Table
[20:25:37] [Client thread/INFO] [FML]: Processing ObjectHolder annotations
[20:25:37] [Client thread/INFO] [FML]: Found 384 ObjectHolder annotations
[20:25:37] [Client thread/INFO] [FML]: Identifying ItemStackHolder annotations
[20:25:37] [Client thread/INFO] [FML]: Found 0 ItemStackHolder annotations
[20:25:37] [Client thread/INFO] [FML]: Configured a dormant chunk cache size of 0
[20:25:37] [Client thread/INFO] [FML]: Applying holder lookups
[20:25:37] [Client thread/INFO] [FML]: Holder lookups applied
[20:25:37] [Client thread/INFO] [FML]: Injecting itemstacks
[20:25:37] [Client thread/INFO] [FML]: Itemstack injection complete
[20:25:37] [Client thread/ERROR] [FML]: Fatal errors were detected during the transition from PREINITIALIZATION to INITIALIZATION. Loading cannot continue
[20:25:37] [Client thread/ERROR] [FML]: 
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCH	mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) 
UCH	FML{8.0.99.99} [Forge Mod Loader] (forgeSrc-1.8-11.14.3.1450.jar) 
UCH	Forge{11.14.3.1450} [Minecraft Forge] (forgeSrc-1.8-11.14.3.1450.jar) 
UCE	pt{1.0.0} [Periodic Table] (bin) 
[20:25:37] [Client thread/ERROR] [FML]: The following problems were captured during this phase
[20:25:37] [Client thread/ERROR] [FML]: Caught exception from pt
java.lang.Error: Unresolved compilation problem: 
The constructor BlockFluidClassic(BlockFluidClassic, MaterialLiquid) is undefined


at com.poseidon.periodictable.init.PTFluids.registerFluids(PTFluids.java:29) ~[bin/:?]
at com.poseidon.periodictable.PeriodicTable.preInit(PeriodicTable.java:32) ~[bin/:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_60]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_60]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_60]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_60]
at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:537) ~[forgeSrc-1.8-11.14.3.1450.jar:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_60]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_60]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_60]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_60]
at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74) ~[guava-17.0.jar:?]
at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47) ~[guava-17.0.jar:?]
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322) ~[guava-17.0.jar:?]
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304) ~[guava-17.0.jar:?]
at com.google.common.eventbus.EventBus.post(EventBus.java:275) ~[guava-17.0.jar:?]
at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:212) ~[forgeSrc-1.8-11.14.3.1450.jar:?]
at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:190) ~[forgeSrc-1.8-11.14.3.1450.jar:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_60]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_60]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_60]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_60]
at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74) ~[guava-17.0.jar:?]
at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47) ~[guava-17.0.jar:?]
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322) ~[guava-17.0.jar:?]
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304) ~[guava-17.0.jar:?]
at com.google.common.eventbus.EventBus.post(EventBus.java:275) ~[guava-17.0.jar:?]
at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:119) [LoadController.class:?]
at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:550) [Loader.class:?]
at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:248) [FMLClientHandler.class:?]
at net.minecraft.client.Minecraft.startGame(Minecraft.java:446) [Minecraft.class:?]
at net.minecraft.client.Minecraft.run(Minecraft.java:356) [Minecraft.class:?]
at net.minecraft.client.main.Main.main(Main.java:117) [Main.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_60]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_60]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_60]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_60]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.11.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.11.jar:?]
at net.minecraftforge.gradle.GradleStartCommon.launch(Unknown Source) [start/:?]
at GradleStart.main(Unknown Source) [start/:?]
[20:25:37] [Client thread/INFO] [sTDOUT]: [net.minecraft.init.Bootstrap:printToSYSOUT:663]: ---- Minecraft Crash Report ----
// Sorry 


Time: 11/1/15 8:25 PM
Description: There was a severe problem during mod loading that has caused the game to fail


net.minecraftforge.fml.common.LoaderException: java.lang.Error: Unresolved compilation problem: 
The constructor BlockFluidClassic(BlockFluidClassic, MaterialLiquid) is undefined


at net.minecraftforge.fml.common.LoadController.transition(LoadController.java:163)
at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:553)
at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:248)
at net.minecraft.client.Minecraft.startGame(Minecraft.java:446)
at net.minecraft.client.Minecraft.run(Minecraft.java:356)
at net.minecraft.client.main.Main.main(Main.java:117)
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:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
at net.minecraftforge.gradle.GradleStartCommon.launch(Unknown Source)
at GradleStart.main(Unknown Source)
Caused by: java.lang.Error: Unresolved compilation problem: 
The constructor BlockFluidClassic(BlockFluidClassic, MaterialLiquid) is undefined


at com.poseidon.periodictable.init.PTFluids.registerFluids(PTFluids.java:29)
at com.poseidon.periodictable.PeriodicTable.preInit(PeriodicTable.java:32)
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.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:537)
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.EventSubscriber.handleEvent(EventSubscriber.java:74)
at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
at com.google.common.eventbus.EventBus.post(EventBus.java:275)
at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:212)
at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:190)
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.EventSubscriber.handleEvent(EventSubscriber.java:74)
at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
at com.google.common.eventbus.EventBus.post(EventBus.java:275)
at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:119)
at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:550)
... 12 more




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


-- System Details --
Details:
Minecraft Version: 1.8
Operating System: Windows 8 (amd64) version 6.2
Java Version: 1.8.0_60, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 859800624 bytes (819 MB) / 1038876672 bytes (990 MB) up to 1038876672 bytes (990 MB)
JVM Flags: 3 total; -Xincgc -Xmx1024M -Xms1024M
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP v9.10 FML v8.0.99.99 Minecraft Forge 11.14.3.1450 4 mods loaded, 4 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCH	mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) 
UCH	FML{8.0.99.99} [Forge Mod Loader] (forgeSrc-1.8-11.14.3.1450.jar) 
UCH	Forge{11.14.3.1450} [Minecraft Forge] (forgeSrc-1.8-11.14.3.1450.jar) 
UCE	pt{1.0.0} [Periodic Table] (bin) 
Loaded coremods (and transformers): 
GL info: ' Vendor: 'ATI Technologies Inc.' Version: '4.2.11774 Compatibility Profile Context' Renderer: 'AMD Radeon HD 7640G'
[20:25:37] [Client thread/INFO] [sTDOUT]: [net.minecraft.init.Bootstrap:printToSYSOUT:663]: #@!@# Game crashed! Crash report saved to: #@!@# C:\Users\Liam\Desktop\Minecraft Forge\eclipse\.\crash-reports\crash-2015-11-01_20.25.37-client.txt

PTFluids.java


package com.poseidon.periodictable.init;


import java.util.HashSet;
import java.util.Set;


import net.minecraft.block.Block;
import net.minecraft.block.material.MapColor;
import net.minecraft.block.material.MaterialLiquid;
import net.minecraft.util.ResourceLocation;
import net.minecraftforge.fluids.BlockFluidClassic;
import net.minecraftforge.fluids.Fluid;
import net.minecraftforge.fluids.FluidRegistry;
import net.minecraftforge.fluids.IFluidBlock;
import net.minecraftforge.fml.common.registry.GameRegistry;


public class PTFluids {

public static Fluid mercury_fluid_static;
public static BlockFluidClassic mercury_block_static;


public static Fluid fluidNormalGas;
public static BlockFluidClassic blockNormalGas;


public static Set<IFluidBlock> fluidBlocks = new HashSet<IFluidBlock>();


public static void registerFluids() {

	mercury_fluid_static = createFluid("mercury", "pt:blocks/mercury_still", false).setLuminosity(10).setDensity(1600).setViscosity(1);
	mercury_block_static = registerFluidBlock(new BlockFluidClassic(mercury_block_static, new MaterialLiquid(MapColor.grayColor)));


	fluidNormalGas = createFluid("normalgas", "testmod3:blocks/fluid_normalGas", true).setLuminosity(10).setDensity(-1600).setViscosity(100).setGaseous(true);
	blockNormalGas = registerFluidBlock(new BlockFluidClassic(fluidNormalGas, new MaterialLiquid(MapColor.adobeColor)));
}


private static Fluid createFluid(String name, String textureName, boolean hasFlowIcon) {
	ResourceLocation still = new ResourceLocation(textureName + "_still");
	ResourceLocation flowing = hasFlowIcon ? new ResourceLocation(textureName + "_flow") : still;


	Fluid fluid = new Fluid(name);
	if (!FluidRegistry.registerFluid(fluid)) {
		throw new IllegalStateException(String.format("Unable to register fluid %s", fluid.getID()));
	}


	return fluid;
}


private static <T extends Block & IFluidBlock> T registerFluidBlock(T block) {
	String fluidName = block.getFluid().getUnlocalizedName();
	block.setUnlocalizedName(fluidName);
	GameRegistry.registerBlock(block, fluidName);


	fluidBlocks.add(block);


	return block;
}
}

Draco18s · November 2, 2015

mercury_block_static = new BlockFluidClassic(mercury_block_static

Uh.

You're passing the block you haven't yet created to the constructor of said block. At best you're passing null.

1Poseidon3 · November 2, 2015

Didn't this (public static BlockFluidClassic mercury_block_static;) create it?

Choonster · November 2, 2015

Didn't this (public static BlockFluidClassic mercury_block_static;) create it?

That simply declares a field and assigns the default value (

null

) to it. At that point, you haven't created a

Block

instance or assigned it to the field.

BlockFluidClassic

doesn't have a

(BlockFluidClassic, Material)

constructor anyway, so why are you trying to pass the mercury block to its own constructor?

Side note: Use the [nobbc][tt][/nobbc] tag (or the Tt button) for inline code.

Draco18s · November 2, 2015

Didn't this (public static BlockFluidClassic mercury_block_static;) create it?

Declaration vs. Initialization vs. Assignment. Basic Java. Basic programming, really (although various languages will separate things a little farther, such as C* having separate declaration and definitions for functions).

1Poseidon3 · November 2, 2015

Didn't this (public static BlockFluidClassic mercury_block_static;) create it?

Declaration vs. Initialization vs. Assignment. Basic Java. Basic programming, really (although various languages will separate things a little farther, such as C* having separate declaration and definitions for functions).

I was trying to do it like that because it's identical to the one below it which is the one you created (which also has no errors in it).

Choonster · November 2, 2015

I was trying to do it like that because it's identical to the one below it which is the one you created (which also has no errors in it).

No, my code passes the

Fluid

to the

BlockFluidClassic

constructor. You're trying to pass the

Block

to its own constructor.

1Poseidon3 · November 2, 2015

I was trying to do it like that because it's identical to the one below it which is the one you created (which also has no errors in it).

No, my code passes the
Fluid
to the
BlockFluidClassic
constructor. You're trying to pass the
Block
to its own constructor.

OH. That's what I needed the entire time. That's what was causing it. I can't believe I misread that. Thanks!

1Poseidon3 · November 2, 2015

@Choonster

I don't understand your ModModelManager.java does or where that method that gets the textures is called. Could you please explain how it works so I can implement it into my own mod? I currently use .json files to load all of my textures in. How does it work for liquids?

EDIT: Also on a side note,

.setCreativeTab();

doesn't appear to work on liquids. Is there another way to do it instead?

Choonster · November 3, 2015

ModModelManager#registerAllModels

is called from

CombinedClientProxy#preInit

(this is only loaded on the client, the dedicated server loads

DedicatedServerProxy

instead), which is in turn called from

TestMod3#preInit

.

registerFluidModel

registers the model for a single

IFluidBlock

:

The call to
```
ModelBakery.addVariantName
```
without any names prevents any model being loaded for the
```
Item
```
form of the
```
IFluidBlock
```
. If you don't call
```
ModelBakery.addVariantName
```
for an
```
Item
```
, the model with the same name as the one passed to
```
GameRegistry.registerBlock
```
/
```
registerItem
```
will be loaded.
The
```
ModelResourceLocation
```
defines the location of the fluid's model (
```
testmod3:fluid
```
with the
```
Fluid
```
's name as the variant)
The call to
```
ModelLoader.setCustomMeshDefinition
```
tells Minecraft to always use the model defined by the
```
ModelResourceLocation
```
for the
```
Item
```
.
- ```
MeshDefinitionFix
```
  is an interface created by diesieben07 that allows a lambda to be used as an
```
ItemMeshDefinition
```
  (this is needed because ForgeGradle doesn't know how to reobfuscate lambdas). If you're not compiling against Java 8, you'd use an anonymous class instead of a lambda.
[*]The call to
```
ModeLoader.setCustomStateMapper
```
tells Minecraft to always use the blockstates file and variant defined by the
```
ModelResourceLocation
```
to get the model for the
```
Block
```

The fluid.json blockstates file tells Minecraft to use the

forge:fluid

model for each variant, passing the name of the fluid to render in the custom data.

Forge's fluid model acts as both a

Block

and

Item

model, using a 3D model for the

Block

and a 2D model for the

Item

.

Block#setCreativeTab

works without issue on fluid blocks, but a

Fluid

isn't a

Block

and thus doesn't have a creative tab.

[email protected] · November 5, 2015

UPDATE:my bad forge was not updated

OP your code seems to have Fluid fluid = new Fluid(name);

instead of choonster code.

Fluid fluid = new Fluid(name, still, flowing);

in
private static Fluid createFluid(String name, String textureName, boolean hasFlowIcon)

in
Modfluids

The constructor Fluid(String, ResourceLocation, ResourceLocation) is undefined

Choonster · November 5, 2015

That constructor was added with the fluid model in Forge 1.8-11.14.3.1464. Make sure you're using that version or a newer one.

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