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[1.8.9] "Universal" Entity

LogicTechCorp

By LogicTechCorp
in Modder Support

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LogicTechCorp Diamond Finder

LogicTechCorp

Posted
Posted

My mod adds in the ability to reanimate dead entities into a spectral version of themselves. I would like this function to work with all living entities from vanilla to any mod, so would it be possible to use the original entity's model and texture?

Choonster Reality Controller

Choonster

Posted
Posted

If you store an instance of the dead 

Entity

in your 

Entity

, you can use 

RenderManager#getEntityRenderObject

to get its 

Render

.

Please don't PM me to ask for help. Asking your question in a public thread preserves it for people who are having the same problem in the future.

Choonster Reality Controller

Choonster

Posted
Posted

The same way Minecraft saves your entity to NBT: call 

Entity#writeToNBT

and store the compound tag in your own entity's compound tag.

Please don't PM me to ask for help. Asking your question in a public thread preserves it for people who are having the same problem in the future.

Choonster Reality Controller

Choonster

Posted
Posted

Call the dead entity 

Render

's methods from the corresponding methods of your 

Render

, e.g. override 

Render#doRender

to fetch the dead entity's 

Render

and call 

doRender

on it, passing the dead entity as an argument.

 

It may be difficult to create a "spectral" effect works with any entity, since you can't know how that entity will be rendered. I don't know anything about OpenGL, so I can't help you there.

Please don't PM me to ask for help. Asking your question in a public thread preserves it for people who are having the same problem in the future.

Choonster Reality Controller

Choonster

Posted
Posted

You should be able to use 

EntityList#createEntityFromNBT

to create an 

Entity

from a compound tag that was previously written to by 

Entity#writeToNBT

. The 

Entity#isDead

field isn't persisted. It's also public, so you can just set it to 

false

when the entity is first reanimated.

Please don't PM me to ask for help. Asking your question in a public thread preserves it for people who are having the same problem in the future.

LogicTechCorp Diamond Finder

LogicTechCorp

Posted
  • Author
Posted

When rendering the entity it appears that the entity is null but I am not sure why.

 

[10:15:48] [Client thread/FATAL]: Reported exception thrown!
net.minecraft.util.ReportedException: Rendering entity in world
at net.minecraft.client.renderer.entity.RenderManager.doRenderEntity(RenderManager.java:428) ~[RenderManager.class:?]
at net.minecraft.client.renderer.entity.RenderManager.renderEntityStatic(RenderManager.java:337) ~[RenderManager.class:?]
at net.minecraft.client.renderer.entity.RenderManager.renderEntitySimple(RenderManager.java:304) ~[RenderManager.class:?]
at net.minecraft.client.renderer.RenderGlobal.renderEntities(RenderGlobal.java:672) ~[RenderGlobal.class:?]
at net.minecraft.client.renderer.EntityRenderer.renderWorldPass(EntityRenderer.java:1368) ~[EntityRenderer.class:?]
at net.minecraft.client.renderer.EntityRenderer.renderWorld(EntityRenderer.java:1282) ~[EntityRenderer.class:?]
at net.minecraft.client.renderer.EntityRenderer.updateCameraAndRender(EntityRenderer.java:1110) ~[EntityRenderer.class:?]
at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1107) ~[Minecraft.class:?]
at net.minecraft.client.Minecraft.run(Minecraft.java:380) [Minecraft.class:?]
at net.minecraft.client.main.Main.main(Main.java:116) [Main.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_65]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_65]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.12.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_65]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_65]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
at net.minecraftforge.gradle.GradleStartCommon.launch(GradleStartCommon.java:97) [start/:?]
at GradleStart.main(GradleStart.java:26) [start/:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_65]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_65]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:144) [idea_rt.jar:?]
Caused by: java.lang.NullPointerException
at net.minecraft.client.renderer.entity.RenderManager.getEntityRenderObject(RenderManager.java:237) ~[RenderManager.class:?]
at soulmagic.entity.EntitySpectral.getRender(EntitySpectral.java:74) ~[EntitySpectral.class:?]
at soulmagic.client.renderer.entity.SpectralRenderFactory$SpectralRender.doRender(SpectralRenderFactory.java:27) ~[spectralRenderFactory$SpectralRender.class:?]
at soulmagic.client.renderer.entity.SpectralRenderFactory$SpectralRender.doRender(SpectralRenderFactory.java:17) ~[spectralRenderFactory$SpectralRender.class:?]
at net.minecraft.client.renderer.entity.RenderManager.doRenderEntity(RenderManager.java:380) ~[RenderManager.class:?]
... 26 more

 

Render:

https://github.com/LogicTechCorp/SoulMagic/blob/master/src/main/java/soulmagic/client/renderer/entity/SpectralRenderFactory.java

 

Soul:

https://github.com/LogicTechCorp/SoulMagic/blob/master/src/main/java/soulmagic/entity/item/EntitySoul.java

 

Spectral:

https://github.com/LogicTechCorp/SoulMagic/blob/master/src/main/java/soulmagic/entity/EntitySpectral.java

 

Choonster Reality Controller

Choonster

Posted
Posted

You should probably call the super methods in your overrides of 

Entity#readEntityFromNBT

and 

Entity#writeEntityToNBT

, but I don't think that's the cause of the issue here.

 

I suspect the issue is that the server has a reference to the original entity when the spectral entity is first spawned and when it's read from NBT, but the client doesn't know anything about it. If you want to sync data from the server to the client when an entity is spawned in the world, you can implement 

IEntityAdditionalSpawnData

in your 

Entity

class. I suggest you use this to send the NBT serialised entity from the server to the client, then deserialise it back into an entity on the client side.

Please don't PM me to ask for help. Asking your question in a public thread preserves it for people who are having the same problem in the future.

LogicTechCorp Diamond Finder

LogicTechCorp

Posted
  • Author
Posted

Am I doing it correctly?

 

    @Override
    public void writeSpawnData(ByteBuf buffer)
    {
        NBTTagCompound entityTag = this.entity.serializeNBT();
        ByteBufUtils.writeTag(buffer, entityTag);
    }

    @Override
    public void readSpawnData(ByteBuf additionalData)
    {
        NBTTagCompound entityTag = ByteBufUtils.readTag(additionalData);
        this.entity.deserializeNBT(entityTag);
    }

Choonster Reality Controller

Choonster

Posted
Posted

You're writing the NBT correctly, but 

this.entity

will be 

null

on the client, so you can't call 

Entity#deserializeNBT

on it. You need to use 

EntityList.createEntityFromNBT

instead, which creates the entity and then reads it from NBT.

 

I just realised that 

Entity#writeToNBT

doesn't save the entity's string ID, which is needed to recreate it from NBT. Use 

Entity#serializeNBT

instead, which does save the ID.

Please don't PM me to ask for help. Asking your question in a public thread preserves it for people who are having the same problem in the future.

LogicTechCorp Diamond Finder

LogicTechCorp

Posted
  • Author
Posted

It works but now I have a new problem.

 

java.lang.ClassCastException: soulmagic.entity.EntitySpectral cannot be cast to net.minecraft.entity.passive.EntityChicken
at net.minecraft.client.renderer.entity.RenderChicken.handleRotationFloat(RenderChicken.java:10) ~[RenderChicken.class:?]
at net.minecraft.client.renderer.entity.RendererLivingEntity.doRender(RendererLivingEntity.java:140) [RendererLivingEntity.class:?]
at net.minecraft.client.renderer.entity.RenderLiving.doRender(RenderLiving.java:54) [RenderLiving.class:?]
at net.minecraft.client.renderer.entity.RenderLiving.doRender(RenderLiving.java:16) [RenderLiving.class:?]
at soulmagic.client.renderer.entity.SpectralRenderFactory$SpectralRender.doRender(SpectralRenderFactory.java:27) [spectralRenderFactory$SpectralRender.class:?]
at soulmagic.client.renderer.entity.SpectralRenderFactory$SpectralRender.doRender(SpectralRenderFactory.java:17) [spectralRenderFactory$SpectralRender.class:?]
at net.minecraft.client.renderer.entity.RenderManager.doRenderEntity(RenderManager.java:380) [RenderManager.class:?]
at net.minecraft.client.renderer.entity.RenderManager.renderEntityStatic(RenderManager.java:337) [RenderManager.class:?]
at net.minecraft.client.renderer.entity.RenderManager.renderEntitySimple(RenderManager.java:304) [RenderManager.class:?]
at net.minecraft.client.renderer.RenderGlobal.renderEntities(RenderGlobal.java:672) [RenderGlobal.class:?]
at net.minecraft.client.renderer.EntityRenderer.renderWorldPass(EntityRenderer.java:1368) [EntityRenderer.class:?]
at net.minecraft.client.renderer.EntityRenderer.renderWorld(EntityRenderer.java:1282) [EntityRenderer.class:?]
at net.minecraft.client.renderer.EntityRenderer.updateCameraAndRender(EntityRenderer.java:1110) [EntityRenderer.class:?]
at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1107) [Minecraft.class:?]
at net.minecraft.client.Minecraft.run(Minecraft.java:380) [Minecraft.class:?]
at net.minecraft.client.main.Main.main(Main.java:116) [Main.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_65]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_65]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.12.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_65]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_65]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
at net.minecraftforge.gradle.GradleStartCommon.launch(GradleStartCommon.java:97) [start/:?]
at GradleStart.main(GradleStart.java:26) [start/:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_65]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_65]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:144) [idea_rt.jar:?]

Ernio Reality Controller

Ernio

Posted
Posted

Think about it, you are trying to render "entity" as "otherEntity".

 

Logically - you need your renderer to use fields of "otherEntity".

 

For example:

@Override
        public void doRender(EntitySpectral entity, double x, double y, double z, float entityYaw, float partialTicks)
        {
            entity.getRender(renderManager).doRender(entity.otherEntity, x, y, z, entityYaw, partialTicks); // entity.otherEntity, you should also use "otherEntity" values everywhere else.
        }

1.7.10 is no longer supported by forge, you are on your own.

RANKSHANK Diamond Finder

RANKSHANK

Posted
Posted

Sounds like dead AI to me... You're going to need to write your entity wrapper to either take over logic or feed updates to the contained entity...

I think its my java of the variables.

Choonster Reality Controller

Choonster

Posted
Posted

Call the super method from 

EntitySpectral#onLivingUpdate

. If you override a method (especially one that updates stuff), you'll usually want to call the super method. You have a lot of overridden methods not calling their super methods.

Please don't PM me to ask for help. Asking your question in a public thread preserves it for people who are having the same problem in the future.

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