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ModEventHandler not working for me


X_Pilot

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Hello,

 

can you guys help me fix this? It isn't working. I'm trying to make a global warming mod for minecraft as a school project, yet I cannot update an index that is meant to be saved and loaded. Here's my code:

package greg;

import java.util.ArrayList;
import java.util.Timer;
import java.util.TimerTask;

import net.minecraft.block.*;
import net.minecraft.block.state.IBlockState;
import net.minecraft.util.BlockPos;
import net.minecraft.world.World;
import net.minecraft.world.storage.WorldInfo;
import net.minecraftforge.event.world.BlockEvent.BreakEvent;
import net.minecraftforge.event.world.BlockEvent.PlaceEvent;
import net.minecraftforge.fml.common.Mod.EventHandler;

public class ModEventHandler {

public ArrayList<PollutionLevel> list = new ArrayList<PollutionLevel>();

FileFunctions files = new FileFunctions();

public static int pollutionIndex;
ArrayList<World> initialWorld;
WorldInfo infoWorld = new WorldInfo() {};
public static String worldName;
public static int integer;

public void load(World world){

	worldName = infoWorld.getWorldName();
	int ind;
	files.ReadFromFile(list);

	if(!list.contains(worldName))
	{
		pollutionIndex = 0;     
	}
	else
	{
		ind = list.indexOf(worldName);
		pollutionIndex = list.get(ind).getPol();
		//meant to set the correct pol level

	}
}
@EventHandler
public void onBlockDestroyedByPlayer(BreakEvent event)
{
	pollutionIndex = pollutionIndex + 2;
	if(event.state.getBlock().isWood(event.world, event.pos) == true)
	{
		pollutionIndex = pollutionIndex + 2;
	}
}

@EventHandler
public void onBlockPlacedByPlayer(PlaceEvent event)
{
	int ind;
	if(event.placedBlock.getBlock().isWood(event.world, event.pos) == true)
	{
		pollutionIndex = pollutionIndex - 1;

		if(!list.contains(worldName))
		{
			list.add(new PollutionLevel(worldName, pollutionIndex));
		}
		else
		{
			ind = list.indexOf(worldName);
			list.remove(ind);
			list.add(new PollutionLevel(worldName, pollutionIndex));
		}
	}
}
public void onBlockDestroyedByPlayer(World worldIn, BlockPos pos, IBlockState state) {
	pollutionIndex = pollutionIndex +2;
}

}

 

The onBlockDestroyedByPlayer is just testing to see if the class worked, but it doesn't so yeah. I really need help.

 

Here's my main class:

 

package greg;

import java.util.ArrayList;
import java.util.Timer;
import java.util.TimerTask;

import net.minecraft.client.Minecraft;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.world.World;
import net.minecraft.world.storage.WorldInfo;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.fml.common.Mod;
import net.minecraftforge.fml.common.Mod.EventHandler;
import net.minecraftforge.fml.common.Mod.Instance;
import net.minecraftforge.fml.common.SidedProxy;
import net.minecraftforge.fml.common.event.FMLInitializationEvent;

@Mod(modid=info.ID, name=info.NAME, version=info.VERS)


public class main {



@Instance(value = "mainID")
public static main instance;


@SidedProxy(clientSide=info.CLIENT + ".ClientProxy", serverSide=info.COMMON + ".CommonProxy")
public static CommonProxy proxy;

@EventHandler
public void preInit(net.minecraftforge.fml.common.event.FMLPreInitializationEvent event) {
	// Stub Method
	MinecraftForge.EVENT_BUS.register(new ModEventHandler());
}

@EventHandler
public void init(FMLInitializationEvent event){
	proxy.registerRenderers();

	MinecraftForge.EVENT_BUS.register(new ModEventHandler());
	MinecraftForge.EVENT_BUS.register(new HUDPol(Minecraft.getMinecraft()));

}


@EventHandler
public void postInit(net.minecraftforge.fml.common.event.FMLPostInitializationEvent event) {
	// Stub Method

}



}



 

Thanks!

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For listening to events from event buses, use @SubscribeEvent. If you look at the Javadocs for @EventHandler, you would see that it is mainly used to manage the lifecycle of your mod

 

I changed it and now I get this crash-log:

 

---- Minecraft Crash Report ----
// On the bright side, I bought you a teddy bear!

Time: 11/17/15 7:26 AM
Description: Initializing game

java.lang.IllegalArgumentException: Method public void greg.ModEventHandler.load(net.minecraft.world.World) has @SubscribeEvent annotation, but takes a argument that is not an Event class net.minecraft.world.World
at net.minecraftforge.fml.common.eventhandler.EventBus.register(EventBus.java:82)
at greg.main.init(main.java:43)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:537)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
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(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
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.initializeMods(Loader.java:731)
at net.minecraftforge.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:316)
at net.minecraft.client.Minecraft.startGame(Minecraft.java:528)
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(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.minecraftforge.gradle.GradleStartCommon.launch(Unknown Source)
at GradleStart.main(Unknown Source)


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

-- Head --
Stacktrace:
at net.minecraftforge.fml.common.eventhandler.EventBus.register(EventBus.java:82)
at greg.main.init(main.java:43)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:537)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
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(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
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.initializeMods(Loader.java:731)
at net.minecraftforge.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:316)
at net.minecraft.client.Minecraft.startGame(Minecraft.java:528)

-- Initialization --
Details:
Stacktrace:
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(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.minecraftforge.gradle.GradleStartCommon.launch(Unknown Source)
at GradleStart.main(Unknown Source)

-- System Details --
Details:
Minecraft Version: 1.8
Operating System: Mac OS X (x86_64) version 10.10.5
Java Version: 1.8.0_40, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 663116824 bytes (632 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 11.14.3.1543 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
UCHI	mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) 
UCHI	FML{8.0.99.99} [Forge Mod Loader] (forgeSrc-1.8-11.14.3.1543.jar) 
UCHI	Forge{11.14.3.1543} [Minecraft Forge] (forgeSrc-1.8-11.14.3.1543.jar) 
UCHE	GWM{0.0.1} [Global Warming Mod] (bin) 
Loaded coremods (and transformers): 
Launched Version: 1.8
LWJGL: 2.9.2
OpenGL: Intel HD Graphics 3000 OpenGL Engine GL version 2.1 INTEL-10.0.35, Intel Inc.
GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because ARB_framebuffer_object is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

Using VBOs: No
Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs: []
Current Language: English (US)
Profiler Position: N/A (disabled)

 

Help?

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You should not be calling it at all, you should not be having it. You should be using WorldSavedData, as I said.

 

Can I modify the class? Or how do you suggest I implement it? I was planning on having my own ArrayList to store the data and then retrieve it, which is what the load(World) functions does. I was going to have the unload(World) function saving the data.

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