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Randomising Mob Textures[Solved]

Lua

By Lua
in Modder Support

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Lua Creeper Killer

Lua

Posted
Posted

Hi,

 

I attempted to do a seemingly simple task; randomise mob textures. Here is what I tried to do:

package fl.renders;

import java.util.Random;

import net.minecraft.client.model.ModelBase;
import net.minecraft.client.renderer.entity.RenderLiving;
import net.minecraft.entity.Entity;
import net.minecraft.util.ResourceLocation;
import fl.main.Reference;
import fl.models.ModelGreedling;

public class RenderGreedling extends RenderLiving
{
private Random rand = new Random();
private static ResourceLocation greedlingTexture;
private static final ResourceLocation greedlingOriginal = new ResourceLocation(Reference.MOD_ID, "textures/entities/greedling/greedling_original.png");
private static final ResourceLocation greedlingEndling = new ResourceLocation(Reference.MOD_ID, "textures/entities/greedling/greedling_endling.png");
private static final ResourceLocation greedlingSpecial = new ResourceLocation(Reference.MOD_ID, "textures/entities/greedling/greedling_special.png");

public RenderGreedling(ModelBase modelBase, float par2)
{
	super(new ModelGreedling(), 0.3F);
}

@Override
protected ResourceLocation getEntityTexture(Entity ent){
	switch(rand.nextInt(3))
	{
	case 0:
		greedlingTexture = greedlingOriginal;
		break;
	case 1:
		greedlingTexture = greedlingEndling;
		break;
	case 2:
		greedlingTexture = greedlingSpecial;
		break;
	}
	return greedlingTexture;
}
}

 

However, getEntityTexture is constantly being called which makes it choose a new textures each time. I'm not sure how to get around it, advice?

Lua Creeper Killer

Lua

Posted
  • Author
Posted
  On 1/30/2014 at 12:07 AM, diesieben07 said:

Create the random texture id once, when the entity gets created (keyword: Constructor).

Okay, I setup a onEntityConstructingEvent, heres my code:

package fl.main;

import java.util.Random;

import net.minecraft.util.ResourceLocation;
import net.minecraftforge.event.ForgeSubscribe;
import net.minecraftforge.event.entity.EntityEvent.EntityConstructing;
import fl.entities.EntityGreedling;

public class ForgeEvents
{
private Random rand = new Random();
public  ResourceLocation greedlingTexture;
private ResourceLocation greedlingOriginal = new ResourceLocation(Reference.MOD_ID, "textures/entities/greedling/greedling_original.png");
private ResourceLocation greedlingEndling = new ResourceLocation(Reference.MOD_ID, "textures/entities/greedling/greedling_endling.png");
private ResourceLocation greedlingSpecial = new ResourceLocation(Reference.MOD_ID, "textures/entities/greedling/greedling_special.png");

@ForgeSubscribe
public void greedlingConstruction(EntityConstructing event){
	if(event.entity instanceof EntityGreedling)
	{
		switch(rand.nextInt(3))
		{
		case 0:
			greedlingTexture = greedlingOriginal;
		break;
		case 1:
			greedlingTexture = greedlingEndling;
		break;
		case 2:
			greedlingTexture = greedlingSpecial;
		break;
		}
	}
}
}

 

Render Class

package fl.renders;

import java.util.Random;

import net.minecraft.client.model.ModelBase;
import net.minecraft.client.renderer.entity.RenderLiving;
import net.minecraft.entity.Entity;
import net.minecraft.util.ResourceLocation;
import fl.main.ForgeEvents;
import fl.main.Reference;
import fl.models.ModelGreedling;

public class RenderGreedling extends RenderLiving
{

public RenderGreedling(ModelBase modelBase, float par2)
{
	super(new ModelGreedling(), 0.3F);
}

@Override
protected ResourceLocation getEntityTexture(Entity ent){
	ForgeEvents fe = new ForgeEvents();
	return fe.greedlingTexture;
}
}

I had to create an object to the class so I could access greedlingTexture, the alternative would be making it static which would lead to all mobs being the same texture :/ I must be missing something

 

 

However, I hit an NPE for the texture registration.

Error:

2014-01-30 00:25:45 [iNFO] [sTDERR] Caused by: java.lang.NullPointerException
2014-01-30 00:25:45 [iNFO] [sTDERR] 	at net.minecraft.client.resources.SimpleReloadableResourceManager.getResource(SimpleReloadableResourceManager.java:59)
2014-01-30 00:25:45 [iNFO] [sTDERR] 	at net.minecraft.client.renderer.texture.SimpleTexture.loadTexture(SimpleTexture.java:31)
2014-01-30 00:25:45 [iNFO] [sTDERR] 	at net.minecraft.client.renderer.texture.TextureManager.loadTexture(TextureManager.java:84)
2014-01-30 00:25:45 [iNFO] [sTDERR] 	... 21 more
2014-01-30 00:25:45 [iNFO] [sTDERR] net.minecraft.util.ReportedException: Registering texture
2014-01-30 00:25:45 [iNFO] [sTDERR] 	at net.minecraft.client.renderer.texture.TextureManager.loadTexture(TextureManager.java:99)
2014-01-30 00:25:45 [iNFO] [sTDERR] 	at net.minecraft.client.renderer.texture.TextureManager.bindTexture(TextureManager.java:41)
2014-01-30 00:25:45 [iNFO] [sTDERR] 	at net.minecraft.client.renderer.entity.Render.bindTexture(Render.java:53)
2014-01-30 00:25:45 [iNFO] [sTDERR] 	at net.minecraft.client.renderer.entity.Render.bindEntityTexture(Render.java:48)
2014-01-30 00:25:45 [iNFO] [sTDERR] 	at net.minecraft.client.renderer.entity.RendererLivingEntity.renderModel(RendererLivingEntity.java:296)
2014-01-30 00:25:45 [iNFO] [sTDERR] 	at net.minecraft.client.renderer.entity.RendererLivingEntity.doRenderLiving(RendererLivingEntity.java:156)
2014-01-30 00:25:45 [iNFO] [sTDERR] 	at net.minecraft.client.renderer.entity.RenderLiving.doRenderLiving(RenderLiving.java:28)
2014-01-30 00:25:45 [iNFO] [sTDERR] 	at net.minecraft.client.renderer.entity.RenderLiving.doRender(RenderLiving.java:142)
2014-01-30 00:25:45 [iNFO] [sTDERR] 	at net.minecraft.client.renderer.entity.RenderManager.renderEntityWithPosYaw(RenderManager.java:312)
2014-01-30 00:25:45 [iNFO] [sTDERR] 	at net.minecraft.client.renderer.entity.RenderManager.renderEntity(RenderManager.java:281)
2014-01-30 00:25:45 [iNFO] [sTDERR] 	at net.minecraft.client.renderer.RenderGlobal.renderEntities(RenderGlobal.java:524)
2014-01-30 00:25:45 [iNFO] [sTDERR] 	at net.minecraft.client.renderer.EntityRenderer.renderWorld(EntityRenderer.java:1160)
2014-01-30 00:25:45 [iNFO] [sTDERR] 	at net.minecraft.client.renderer.EntityRenderer.updateCameraAndRender(EntityRenderer.java:1006)
2014-01-30 00:25:45 [iNFO] [sTDERR] 	at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:945)
2014-01-30 00:25:45 [iNFO] [sTDERR] 	at net.minecraft.client.Minecraft.run(Minecraft.java:837)
2014-01-30 00:25:45 [iNFO] [sTDERR] 	at net.minecraft.client.main.Main.main(Main.java:93)
2014-01-30 00:25:45 [iNFO] [sTDERR] 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2014-01-30 00:25:45 [iNFO] [sTDERR] 	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
2014-01-30 00:25:45 [iNFO] [sTDERR] 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
2014-01-30 00:25:45 [iNFO] [sTDERR] 	at java.lang.reflect.Method.invoke(Unknown Source)
2014-01-30 00:25:45 [iNFO] [sTDERR] 	at net.minecraft.launchwrapper.Launch.launch(Launch.java:131)
2014-01-30 00:25:45 [iNFO] [sTDERR] 	at net.minecraft.launchwrapper.Launch.main(Launch.java:27)

 

 

Lua Creeper Killer

Lua

Posted
  • Author
Posted

Nevermind, I've managed to do it.

 

For anyone who wants to know:

 

Create an int in your entity, in the constructor of the entity, randomise the int using Javas random class.

Create a method to return the int.

In your render class, in the getEntityTexture method which returns a resourcelocation, you gotta get an object of your entity class, to do that, cast it to the entity param. Then, it simples, just use an else if and check the ints value. EG:

 

@Override
protected ResourceLocation getEntityTexture(Entity ent){
	EntityGreedling greedlingObj = (EntityGreedling)ent;
	int texture = greedlingObj.getTexture();
	if(texture == 0){
		return greedlingOriginal;
	}
	else if(texture == 1){
		return greedlingEndling;
	}
	else{
		return greedlingSpecial;
	}
}

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