Game crashes when custom entity holds an item

[Koolade446]

Hi, so I'm trying to add a custom boss who holds a sword. I made a model in blockbench and imported it and coded a renderer. the entity renders fine but as soon as I give it the sword the game crashes 

 

Model:

  Reveal hidden contents

HiemModel.java

package whfo.whfo.Renderers.model;
// Made with Blockbench 3.9.3
// Exported for Minecraft version 1.15 - 1.16 with MCP mappings
// Paste this class into your mod and generate all required imports


import com.mojang.blaze3d.matrix.MatrixStack;
import com.mojang.blaze3d.vertex.IVertexBuilder;
import net.minecraft.client.renderer.entity.model.EntityModel;
import net.minecraft.client.renderer.model.ModelRenderer;
import net.minecraft.entity.Entity;
import whfo.whfo.entities.EntityHiem;

public class HiemModel<E extends EntityHiem> extends EntityModel<E> {
    private final ModelRenderer bb_main;

    public HiemModel() {
        textureWidth = 64;
        textureHeight = 64;

        bb_main = new ModelRenderer(this);
        bb_main.setRotationPoint(0.0F, 24.0F, 0.0F);
        bb_main.setTextureOffset(16, 28).addBox(-4.0F, -9.0F, -2.0F, 4.0F, 9.0F, 4.0F, 0.0F, false);
        bb_main.setTextureOffset(0, 28).addBox(0.0F, -9.0F, -2.0F, 4.0F, 9.0F, 4.0F, 0.0F, false);
        bb_main.setTextureOffset(30, 0).addBox(-4.0F, -18.0F, -2.0F, 8.0F, 9.0F, 4.0F, 0.0F, false);
        bb_main.setTextureOffset(16, 15).addBox(4.0F, -18.0F, -2.0F, 4.0F, 9.0F, 4.0F, 0.0F, false);
        bb_main.setTextureOffset(0, 15).addBox(-8.0F, -18.0F, -2.0F, 4.0F, 9.0F, 4.0F, 0.0F, false);
        bb_main.setTextureOffset(0, 0).addBox(-4.0F, -26.0F, -3.0F, 8.0F, 8.0F, 7.0F, 0.0F, false);
    }

    @Override
    public void setRotationAngles(E entityIn, float limbSwing, float limbSwingAmount, float ageInTicks, float netHeadYaw, float headPitch) {

    }

    @Override
    public void render(MatrixStack matrixStack, IVertexBuilder buffer, int packedLight, int packedOverlay, float red, float green, float blue, float alpha){
        bb_main.render(matrixStack, buffer, packedLight, packedOverlay);
    }

    public void setRotationAngle(ModelRenderer modelRenderer, float x, float y, float z) {
        modelRenderer.rotateAngleX = x;
        modelRenderer.rotateAngleY = y;
        modelRenderer.rotateAngleZ = z;
    }
}

 

 

 

Renderer:

  Reveal hidden contents

HiemRenderer.java

package whfo.whfo.Renderers;

import net.minecraft.client.renderer.entity.EntityRendererManager;
import net.minecraft.client.renderer.entity.MobRenderer;
import net.minecraft.client.renderer.entity.layers.HeldItemLayer;
import net.minecraft.util.ResourceLocation;
import whfo.whfo.Renderers.model.HiemModel;
import whfo.whfo.Whfo;
import whfo.whfo.entities.EntityHiem;

public class HiemRenderer extends MobRenderer<EntityHiem, HiemModel<EntityHiem>> {

    public static final ResourceLocation TEXTURE = new ResourceLocation(Whfo.MODID, "textures/entity/hiem/hiem.png");

    public HiemRenderer(EntityRendererManager renderManagerIn) {
        super(renderManagerIn, new HiemModel<>(), 0.7f);
        this.addLayer(new HeldItemLayer(this));
    }

    @Override
    public ResourceLocation getEntityTexture(EntityHiem entity) {
        return TEXTURE;
    }
}

 

 

 

Crash Log:

  Reveal hidden contents

---- Minecraft Crash Report ----
// Hi. I'm Minecraft, and I'm a crashaholic.

Time: 9/17/21, 11:32 PM
Description: Rendering entity in world

java.lang.ClassCastException: class whfo.whfo.Renderers.model.HiemModel cannot be cast to class net.minecraft.client.renderer.entity.model.IHasArm (whfo.whfo.Renderers.model.HiemModel and net.minecraft.client.renderer.entity.model.IHasArm are in unnamed module of loader cpw.mods.modlauncher.TransformingClassLoader @273a5a8a)
	at net.minecraft.client.renderer.entity.layers.HeldItemLayer.func_229135_a_(HeldItemLayer.java:44) ~[forge-1.16.5-36.1.1_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.renderer.entity.layers.HeldItemLayer.render(HeldItemLayer.java:35) ~[forge-1.16.5-36.1.1_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.renderer.entity.layers.HeldItemLayer.render(HeldItemLayer.java:17) ~[forge-1.16.5-36.1.1_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.renderer.entity.LivingRenderer.render(LivingRenderer.java:125) ~[forge-1.16.5-36.1.1_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.renderer.entity.MobRenderer.render(MobRenderer.java:40) ~[forge-1.16.5-36.1.1_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.renderer.entity.MobRenderer.render(MobRenderer.java:20) ~[forge-1.16.5-36.1.1_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.renderer.entity.EntityRendererManager.renderEntityStatic(EntityRendererManager.java:252) ~[forge-1.16.5-36.1.1_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.renderer.WorldRenderer.renderEntity(WorldRenderer.java:1224) ~[forge-1.16.5-36.1.1_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.renderer.WorldRenderer.updateCameraAndRender(WorldRenderer.java:1032) ~[forge-1.16.5-36.1.1_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.renderer.GameRenderer.renderWorld(GameRenderer.java:620) ~[forge-1.16.5-36.1.1_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.renderer.GameRenderer.updateCameraAndRender(GameRenderer.java:437) ~[forge-1.16.5-36.1.1_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1002) ~[forge-1.16.5-36.1.1_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.Minecraft.run(Minecraft.java:612) ~[forge-1.16.5-36.1.1_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.main.Main.main(Main.java:184) ~[forge-1.16.5-36.1.1_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] {}
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?] {}
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] {}
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?] {}
	at net.minecraftforge.userdev.FMLUserdevClientLaunchProvider.lambda$launchService$0(FMLUserdevClientLaunchProvider.java:52) ~[forge-1.16.5-36.1.1_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-8.0.9.jar:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-8.0.9.jar:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-8.0.9.jar:?] {}
	at cpw.mods.modlauncher.Launcher.run(Launcher.java:82) [modlauncher-8.0.9.jar:?] {}
	at cpw.mods.modlauncher.Launcher.main(Launcher.java:66) [modlauncher-8.0.9.jar:?] {}
	at net.minecraftforge.userdev.LaunchTesting.main(LaunchTesting.java:105) [forge-1.16.5-36.1.1_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {}


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

-- Head --
Thread: Render thread
Stacktrace:
	at net.minecraft.client.renderer.entity.layers.HeldItemLayer.func_229135_a_(HeldItemLayer.java:44) ~[forge:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.renderer.entity.layers.HeldItemLayer.render(HeldItemLayer.java:35) ~[forge:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.renderer.entity.layers.HeldItemLayer.render(HeldItemLayer.java:17) ~[forge:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.renderer.entity.LivingRenderer.render(LivingRenderer.java:125) ~[forge:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.renderer.entity.MobRenderer.render(MobRenderer.java:40) ~[forge:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.renderer.entity.MobRenderer.render(MobRenderer.java:20) ~[forge:?] {re:classloading,pl:runtimedistcleaner:A}
-- Entity being rendered --
Details:
	Entity Type: whfo:hiem (whfo.whfo.entities.EntityHiem)
	Entity ID: 416
	Entity Name: entity.whfo.hiem
	Entity's Exact location: -38.02, 76.00, 86.57
	Entity's Block location: World: (-39,76,86), Chunk: (at 9,4,6 in -3,5; contains blocks -48,0,80 to -33,255,95), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Entity's Momentum: 0.00, 0.00, 0.00
	Entity's Passengers: []
	Entity's Vehicle: ~~ERROR~~ NullPointerException: null

-- Renderer details --
Details:
	Assigned renderer: whfo.whfo.Renderers.HiemRenderer@64514009
	Location: 0.28,-1.62,-1.39 - World: (0,-2,-2), Chunk: (at 0,-1,14 in 0,-1; contains blocks 0,0,-16 to 15,255,-1), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
	Rotation: 0.0
	Delta: 0.3399942
Stacktrace:
	at net.minecraft.client.renderer.entity.EntityRendererManager.renderEntityStatic(EntityRendererManager.java:252) ~[forge:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.renderer.WorldRenderer.renderEntity(WorldRenderer.java:1224) ~[forge:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.renderer.WorldRenderer.updateCameraAndRender(WorldRenderer.java:1032) ~[forge:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.renderer.GameRenderer.renderWorld(GameRenderer.java:620) ~[forge:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}


-- Affected level --
Details:
	All players: 1 total; [ClientPlayerEntity['Dev'/145, l='ClientLevel', x=-38.30, y=76.00, z=87.96]]
	Chunk stats: Client Chunk Cache: 841, 529
	Level dimension: minecraft:the_nether
	Level spawn location: World: (208,63,214), Chunk: (at 0,3,6 in 13,13; contains blocks 208,0,208 to 223,255,223), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 27245 game time, 27245 day time
	Server brand: forge
	Server type: Integrated singleplayer server
Stacktrace:
	at net.minecraft.client.world.ClientWorld.fillCrashReport(ClientWorld.java:465) ~[forge-1.16.5-36.1.1_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.Minecraft.addGraphicsAndWorldToCrashReport(Minecraft.java:2091) ~[forge-1.16.5-36.1.1_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.Minecraft.run(Minecraft.java:628) ~[forge-1.16.5-36.1.1_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.main.Main.main(Main.java:184) ~[forge-1.16.5-36.1.1_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] {}
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?] {}
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] {}
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?] {}
	at net.minecraftforge.userdev.FMLUserdevClientLaunchProvider.lambda$launchService$0(FMLUserdevClientLaunchProvider.java:52) ~[forge-1.16.5-36.1.1_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-8.0.9.jar:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-8.0.9.jar:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-8.0.9.jar:?] {}
	at cpw.mods.modlauncher.Launcher.run(Launcher.java:82) [modlauncher-8.0.9.jar:?] {}
	at cpw.mods.modlauncher.Launcher.main(Launcher.java:66) [modlauncher-8.0.9.jar:?] {}
	at net.minecraftforge.userdev.LaunchTesting.main(LaunchTesting.java:105) [forge-1.16.5-36.1.1_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {}


-- System Details --
Details:
	Minecraft Version: 1.16.5
	Minecraft Version ID: 1.16.5
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 11.0.11, JetBrains s.r.o.
	Java VM Version: Dynamic Code Evolution 64-Bit Server VM (mixed mode), JetBrains s.r.o.
	Memory: 1644571136 bytes (1568 MB) / 3460300800 bytes (3300 MB) up to 8566865920 bytes (8170 MB)
	CPUs: 12
	JVM Flags: 1 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump
	ModLauncher: 8.0.9+86+master.3cf110c
	ModLauncher launch target: fmluserdevclient
	ModLauncher naming: mcp
	ModLauncher services: 
		/mixin-0.8.2.jar mixin PLUGINSERVICE 
		/eventbus-4.0.0.jar eventbus PLUGINSERVICE 
		/forge-1.16.5-36.1.1_mapped_snapshot_20210309-1.16.5-launcher.jar object_holder_definalize PLUGINSERVICE 
		/forge-1.16.5-36.1.1_mapped_snapshot_20210309-1.16.5-launcher.jar runtime_enum_extender PLUGINSERVICE 
		/forge-1.16.5-36.1.1_mapped_snapshot_20210309-1.16.5-launcher.jar capability_inject_definalize PLUGINSERVICE 
		/accesstransformers-3.0.1.jar accesstransformer PLUGINSERVICE 
		/forge-1.16.5-36.1.1_mapped_snapshot_20210309-1.16.5-launcher.jar runtimedistcleaner PLUGINSERVICE 
		/mixin-0.8.2.jar mixin TRANSFORMATIONSERVICE 
		/forge-1.16.5-36.1.1_mapped_snapshot_20210309-1.16.5-launcher.jar fml TRANSFORMATIONSERVICE 
	FML: 36.1
	Forge: net.minecraftforge:36.1.1
	FML Language Providers: 
		javafml@36.1
		minecraft@1
	Mod List: 
		client-extra.jar                                  |Minecraft                     |minecraft                     |1.16.5              |DONE      |a1:d4:5e:04:4f:d3:d6:e0:7b:37:97:cf:77:b0:de:ad:4a:47:ce:8c:96:49:5f:0a:cf:8c:ae:b2:6d:4b:8a:3f
		forge-1.16.5-36.1.1_mapped_snapshot_20210309-1.16.|Forge                         |forge                         |36.1.1              |DONE      |NOSIGNATURE
		main                                              |Whfo                          |whfo                          |NONE                |DONE      |NOSIGNATURE
	Crash Report UUID: 9a539cbd-c41c-4ea7-b515-c1302a698439
	Launched Version: MOD_DEV
	Backend library: LWJGL version 3.2.2 build 10
	Backend API: NVIDIA GeForce GTX 1650/PCIe/SSE2 GL version 4.6.0 NVIDIA 471.68, NVIDIA Corporation
	GL Caps: Using framebuffer using OpenGL 3.0
	Using VBOs: Yes
	Is Modded: Definitely; Client brand changed to 'forge'
	Type: Client (map_client.txt)
	Graphics mode: fancy
	Resource Packs: vanilla, mod_resources
	Current Language: English (US)
	CPU: 12x Intel(R) Core(TM) i5-10400 CPU @ 2.90GHz

 

 

[Koolade446]

  On 9/18/2021 at 9:44 PM, diesieben07 said:

Do not use raw types. Specifically HeldItemLayer.

Expand  

Okay I'm new to modding so whats a better way to do this?

[Koolade446]

  On 9/18/2021 at 9:46 PM, diesieben07 said:

Learn about Java generics.

Expand  

I know how to use generics my friend. My question was how I can make my entity able to render the item in hand

[Koolade446]

  On 9/18/2021 at 10:51 PM, Koolade446 said:

I know how to use generics my friend. My question was how I can make my entity able to render the item in hand

Expand  

Never mind I got it