Color Variations for mob?

[OrcaWorld]

Hi , everyone that's me again and today I've got an idea to create color variations for my mob. I looked for Parrot's renderer to make renderer for my mob , but when I tried to summon it - game crashed.

 

Crash Report:

 

---- Minecraft Crash Report ----
// Why did you do that?

Time: 02.10.20 21:48
Description: Rendering entity in world

java.lang.ArrayIndexOutOfBoundsException: 3
   at com.orca.owls.OwlRenderer.getEntityTexture(OwlRenderer.java:23) ~[main/:?] {re:classloading,pl:runtimedistcleaner:A}
   at com.orca.owls.OwlRenderer.getEntityTexture(OwlRenderer.java:11) ~[main/:?] {re:classloading,pl:runtimedistcleaner:A}
   at net.minecraft.client.renderer.entity.LivingRenderer.func_230496_a_(LivingRenderer.java:136) ~[forge-1.16.3-34.1.0_mapped_snapshot_20200514-1.16-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.renderer.entity.LivingRenderer.render(LivingRenderer.java:116) ~[forge-1.16.3-34.1.0_mapped_snapshot_20200514-1.16-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.renderer.entity.MobRenderer.render(MobRenderer.java:40) ~[forge-1.16.3-34.1.0_mapped_snapshot_20200514-1.16-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at net.minecraft.client.renderer.entity.MobRenderer.render(MobRenderer.java:20) ~[forge-1.16.3-34.1.0_mapped_snapshot_20200514-1.16-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at net.minecraft.client.renderer.entity.EntityRendererManager.renderEntityStatic(EntityRendererManager.java:252) ~[forge-1.16.3-34.1.0_mapped_snapshot_20200514-1.16-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.renderer.WorldRenderer.renderEntity(WorldRenderer.java:1219) ~[forge-1.16.3-34.1.0_mapped_snapshot_20200514-1.16-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at net.minecraft.client.renderer.WorldRenderer.updateCameraAndRender(WorldRenderer.java:1027) ~[forge-1.16.3-34.1.0_mapped_snapshot_20200514-1.16-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at net.minecraft.client.renderer.GameRenderer.renderWorld(GameRenderer.java:619) ~[forge-1.16.3-34.1.0_mapped_snapshot_20200514-1.16-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.renderer.GameRenderer.updateCameraAndRender(GameRenderer.java:437) ~[forge-1.16.3-34.1.0_mapped_snapshot_20200514-1.16-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:990) ~[forge-1.16.3-34.1.0_mapped_snapshot_20200514-1.16-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.Minecraft.run(Minecraft.java:589) ~[forge-1.16.3-34.1.0_mapped_snapshot_20200514-1.16-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.main.Main.main(Main.java:184) ~[forge-1.16.3-34.1.0_mapped_snapshot_20200514-1.16-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_241] {}
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_241] {}
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_241] {}
   at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_241] {}
   at net.minecraftforge.userdev.FMLUserdevClientLaunchProvider.lambda$launchService$0(FMLUserdevClientLaunchProvider.java:52) ~[forge-1.16.3-34.1.0_mapped_snapshot_20200514-1.16-recomp.jar:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-7.0.1.jar:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-7.0.1.jar:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-7.0.1.jar:?] {}
   at cpw.mods.modlauncher.Launcher.run(Launcher.java:81) [modlauncher-7.0.1.jar:?] {}
   at cpw.mods.modlauncher.Launcher.main(Launcher.java:65) [modlauncher-7.0.1.jar:?] {}
   at net.minecraftforge.userdev.LaunchTesting.main(LaunchTesting.java:105) [forge-1.16.3-34.1.0_mapped_snapshot_20200514-1.16-recomp.jar:?] {}


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

-- Head --
Thread: Render thread
Stacktrace:
   at com.orca.owls.OwlRenderer.getEntityTexture(OwlRenderer.java:23) ~[?:?] {re:classloading,pl:runtimedistcleaner:A}
   at com.orca.owls.OwlRenderer.getEntityTexture(OwlRenderer.java:11) ~[?:?] {re:classloading,pl:runtimedistcleaner:A}
   at net.minecraft.client.renderer.entity.LivingRenderer.func_230496_a_(LivingRenderer.java:136) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.renderer.entity.LivingRenderer.render(LivingRenderer.java:116) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.renderer.entity.MobRenderer.render(MobRenderer.java:40) ~[?:?] {re:classloading,pl:runtimedistcleaner:A}
   at net.minecraft.client.renderer.entity.MobRenderer.render(MobRenderer.java:20) ~[?:?] {re:classloading,pl:runtimedistcleaner:A}
-- Entity being rendered --
Details:
   Entity Type: owls:owl (com.orca.owls.OwlEntity)
   Entity ID: 757
   Entity Name: Сова
   Entity's Exact location: -69.50, 71.00, -172.50
   Entity's Block location: World: (-70,71,-173), Chunk: (at 10,4,3 in -5,-11; contains blocks -80,0,-176 to -65,255,-161), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
   Entity's Momentum: 0.00, 0.00, 0.00
   Entity's Passengers: []
   Entity's Vehicle: ~~ERROR~~ NullPointerException: null

-- Renderer details --
Details:
   Assigned renderer: com.orca.owls.OwlRenderer@20db19ff
   Location: 2.16,-0.62,2.02 - World: (2,-1,2), Chunk: (at 2,-1,2 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
   Rotation: 22.5
   Delta: 0.84001863
Stacktrace:
   at net.minecraft.client.renderer.entity.EntityRendererManager.renderEntityStatic(EntityRendererManager.java:252) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.renderer.WorldRenderer.renderEntity(WorldRenderer.java:1219) ~[?:?] {re:classloading,pl:runtimedistcleaner:A}
   at net.minecraft.client.renderer.WorldRenderer.updateCameraAndRender(WorldRenderer.java:1027) ~[?:?] {re:classloading,pl:runtimedistcleaner:A}
   at net.minecraft.client.renderer.GameRenderer.renderWorld(GameRenderer.java:619) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}


-- Affected level --
Details:
   All players: 1 total; [ClientPlayerEntity['Dev'/413, l='ClientLevel', x=-71.66, y=70.00, z=-174.52]]
   Chunk stats: Client Chunk Cache: 841, 445
   Level dimension: minecraft:overworld
   Level spawn location: World: (-64,71,-176), Chunk: (at 0,4,0 in -4,-11; contains blocks -64,0,-176 to -49,255,-161), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
   Level time: 166 game time, 166 day time
   Server brand: forge
   Server type: Integrated singleplayer server
Stacktrace:
   at net.minecraft.client.world.ClientWorld.fillCrashReport(ClientWorld.java:465) ~[forge-1.16.3-34.1.0_mapped_snapshot_20200514-1.16-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at net.minecraft.client.Minecraft.addGraphicsAndWorldToCrashReport(Minecraft.java:2047) ~[forge-1.16.3-34.1.0_mapped_snapshot_20200514-1.16-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.Minecraft.run(Minecraft.java:605) ~[forge-1.16.3-34.1.0_mapped_snapshot_20200514-1.16-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.main.Main.main(Main.java:184) ~[forge-1.16.3-34.1.0_mapped_snapshot_20200514-1.16-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_241] {}
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_241] {}
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_241] {}
   at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_241] {}
   at net.minecraftforge.userdev.FMLUserdevClientLaunchProvider.lambda$launchService$0(FMLUserdevClientLaunchProvider.java:52) ~[forge-1.16.3-34.1.0_mapped_snapshot_20200514-1.16-recomp.jar:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-7.0.1.jar:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-7.0.1.jar:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-7.0.1.jar:?] {}
   at cpw.mods.modlauncher.Launcher.run(Launcher.java:81) [modlauncher-7.0.1.jar:?] {}
   at cpw.mods.modlauncher.Launcher.main(Launcher.java:65) [modlauncher-7.0.1.jar:?] {}
   at net.minecraftforge.userdev.LaunchTesting.main(LaunchTesting.java:105) [forge-1.16.3-34.1.0_mapped_snapshot_20200514-1.16-recomp.jar:?] {}


-- System Details --
Details:
   Minecraft Version: 1.16.3
   Minecraft Version ID: 1.16.3
   Operating System: Windows 10 (amd64) version 10.0
   Java Version: 1.8.0_241, Oracle Corporation
   Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
   Memory: 567260440 bytes (540 MB) / 1126694912 bytes (1074 MB) up to 1776812032 bytes (1694 MB)
   CPUs: 8
   JVM Flags: 1 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump
   ModLauncher: 7.0.1+78+master.e9771d8
   ModLauncher launch target: fmluserdevclient
   ModLauncher naming: mcp
   ModLauncher services: 
      /mixin-0.8.1.jar mixin PLUGINSERVICE 
      /eventbus-3.0.3-service.jar eventbus PLUGINSERVICE 
      /forge-1.16.3-34.1.0_mapped_snapshot_20200514-1.16-launcher.jar object_holder_definalize PLUGINSERVICE 
      /forge-1.16.3-34.1.0_mapped_snapshot_20200514-1.16-launcher.jar runtime_enum_extender PLUGINSERVICE 
      /accesstransformers-2.2.0-shadowed.jar accesstransformer PLUGINSERVICE 
      /forge-1.16.3-34.1.0_mapped_snapshot_20200514-1.16-launcher.jar capability_inject_definalize PLUGINSERVICE 
      /forge-1.16.3-34.1.0_mapped_snapshot_20200514-1.16-launcher.jar runtimedistcleaner PLUGINSERVICE 
      /mixin-0.8.1.jar mixin TRANSFORMATIONSERVICE 
      /forge-1.16.3-34.1.0_mapped_snapshot_20200514-1.16-launcher.jar fml TRANSFORMATIONSERVICE 
   FML: 34.1
   Forge: net.minecraftforge:34.1.0
   FML Language Providers: 
      [email protected]
      minecraft@1
   Mod List: 
      client-extra.jar Minecraft {[email protected] DONE}
      forge-1.16.3-34.1.0_mapped_snapshot_20200514-1.16-recomp.jar Forge {[email protected] DONE}
      main Owls Mod {[email protected] DONE}
   Launched Version: MOD_DEV
   Backend library: LWJGL version 3.2.2 build 10
   Backend API: AMD Radeon(TM) Vega 8 Graphics GL version 4.6.13560 Compatibility Profile Context 26.20.11030.4004, ATI Technologies Inc.
   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: 
   Current Language: Русский (Россия)
   CPU: 8x AMD Ryzen 5 3550H with Radeon Vega Mobile Gfx

 Mob's Renderer:

 

package com.orca.owls;

import net.minecraft.client.renderer.entity.EntityRendererManager;
import net.minecraft.client.renderer.entity.MobRenderer;
import net.minecraft.entity.passive.ParrotEntity;
import net.minecraft.util.ResourceLocation;
import net.minecraft.util.math.MathHelper;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;

@OnlyIn(Dist.CLIENT)
public class OwlRenderer extends MobRenderer<OwlEntity, OwlModel<OwlEntity>> {
    public static final ResourceLocation[] OWL_TEXTURES = new ResourceLocation[]{new ResourceLocation(OwlsMain.MOD_ID, "textures/owl_brown.png"), new ResourceLocation(OwlsMain.MOD_ID, "textures/owl_arctic.png")};

    public OwlRenderer(EntityRendererManager renderManagerIn) {
        super(renderManagerIn, new OwlModel(), 0.3F);
    }

    /**
     * Returns the location of an entity's texture.
     */
    public ResourceLocation getEntityTexture(OwlEntity entity) {
        return OWL_TEXTURES[entity.getVariant()];
    }

    /**
     * Defines what float the third param in setRotationAngles of ModelBase is
     */
    public float handleRotationFloat(ParrotEntity livingBase, float partialTicks) {
        float f = MathHelper.lerp(partialTicks, livingBase.oFlap, livingBase.flap);
        float f1 = MathHelper.lerp(partialTicks, livingBase.oFlapSpeed, livingBase.flapSpeed);
        return (MathHelper.sin(f) + 1.0F) * f1;
    }
}

 

Mob's AI:

 

package com.orca.owls;

import com.google.common.collect.Sets;
import net.minecraft.block.BlockState;
import net.minecraft.block.Blocks;
import net.minecraft.entity.AgeableEntity;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntitySize;
import net.minecraft.entity.EntityType;
import net.minecraft.entity.ILivingEntityData;
import net.minecraft.entity.MobEntity;
import net.minecraft.entity.Pose;
import net.minecraft.entity.SpawnReason;
import net.minecraft.entity.ai.attributes.AttributeModifierMap;
import net.minecraft.entity.ai.attributes.Attributes;
import net.minecraft.entity.ai.controller.FlyingMovementController;
import net.minecraft.entity.ai.goal.FollowMobGoal;
import net.minecraft.entity.ai.goal.FollowOwnerGoal;
import net.minecraft.entity.ai.goal.LandOnOwnersShoulderGoal;
import net.minecraft.entity.ai.goal.LookAtGoal;
import net.minecraft.entity.ai.goal.PanicGoal;
import net.minecraft.entity.ai.goal.SitGoal;
import net.minecraft.entity.ai.goal.SwimGoal;
import net.minecraft.entity.ai.goal.WaterAvoidingRandomFlyingGoal;
import net.minecraft.entity.passive.AnimalEntity;
import net.minecraft.entity.passive.IFlyingAnimal;
import net.minecraft.entity.passive.ParrotEntity;
import net.minecraft.entity.passive.ShoulderRidingEntity;
import net.minecraft.entity.player.PlayerEntity;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.item.Items;
import net.minecraft.nbt.CompoundNBT;
import net.minecraft.network.datasync.DataParameter;
import net.minecraft.network.datasync.DataSerializers;
import net.minecraft.network.datasync.EntityDataManager;
import net.minecraft.pathfinding.FlyingPathNavigator;
import net.minecraft.pathfinding.PathNavigator;
import net.minecraft.pathfinding.PathNodeType;
import net.minecraft.potion.EffectInstance;
import net.minecraft.potion.Effects;
import net.minecraft.tags.BlockTags;
import net.minecraft.util.ActionResultType;
import net.minecraft.util.DamageSource;
import net.minecraft.util.Hand;
import net.minecraft.util.SoundCategory;
import net.minecraft.util.SoundEvent;
import net.minecraft.util.SoundEvents;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.MathHelper;
import net.minecraft.util.math.vector.Vector3d;
import net.minecraft.world.DifficultyInstance;
import net.minecraft.world.IServerWorld;
import net.minecraft.world.IWorld;
import net.minecraft.world.World;
import net.minecraft.world.server.ServerWorld;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;

import javax.annotation.Nullable;
import java.util.Random;
import java.util.Set;

public class OwlEntity extends ShoulderRidingEntity implements IFlyingAnimal {
    private static final DataParameter<Integer> VARIANT = EntityDataManager.createKey(ParrotEntity.class, DataSerializers.VARINT);
    private static final Item DEADLY_ITEM = Items.BONE;
    private static final Set<Item> TAME_ITEMS = Sets.newHashSet(Items.RABBIT);
    public float flap;
    public float flapSpeed;
    public float oFlapSpeed;
    public float oFlap;
    private float flapping = 1.0F;
    private boolean partyParrot;
    private BlockPos jukeboxPosition;

    public OwlEntity(EntityType<? extends OwlEntity> type, World worldIn) {
        super(type, worldIn);
        this.moveController = new FlyingMovementController(this, 10, false);
        this.setPathPriority(PathNodeType.DANGER_FIRE, -1.0F);
        this.setPathPriority(PathNodeType.DAMAGE_FIRE, -1.0F);
        this.setPathPriority(PathNodeType.COCOA, -1.0F);
    }

    @Nullable
    public ILivingEntityData onInitialSpawn(IServerWorld worldIn, DifficultyInstance difficultyIn, SpawnReason reason, @Nullable ILivingEntityData spawnDataIn, @Nullable CompoundNBT dataTag) {
        this.setVariant(this.rand.nextInt(5));
        if (spawnDataIn == null) {
            spawnDataIn = new AgeableEntity.AgeableData(false);
        }

        return super.onInitialSpawn(worldIn, difficultyIn, reason, spawnDataIn, dataTag);
    }

    /**
     * If Animal, checks if the age timer is negative
     */
    public boolean isChild() {
        return false;
    }

    protected void registerGoals() {
        this.goalSelector.addGoal(0, new PanicGoal(this, 1.25D));
        this.goalSelector.addGoal(0, new SwimGoal(this));
        this.goalSelector.addGoal(1, new LookAtGoal(this, PlayerEntity.class, 8.0F));
        this.goalSelector.addGoal(2, new SitGoal(this));
        this.goalSelector.addGoal(2, new FollowOwnerGoal(this, 1.0D, 5.0F, 1.0F, true));
        this.goalSelector.addGoal(2, new WaterAvoidingRandomFlyingGoal(this, 1.0D));
        this.goalSelector.addGoal(3, new LandOnOwnersShoulderGoal(this));
        this.goalSelector.addGoal(3, new FollowMobGoal(this, 1.0D, 3.0F, 7.0F));
    }

    public static AttributeModifierMap.MutableAttribute func_234213_eS_() {
        return MobEntity.func_233666_p_().func_233815_a_(Attributes.field_233818_a_, 15.0D).func_233815_a_(Attributes.field_233822_e_, (double)0.4F).func_233815_a_(Attributes.field_233821_d_, (double)0.2F);
    }

    /**
     * Returns new PathNavigateGround instance
     */
    protected PathNavigator createNavigator(World worldIn) {
        FlyingPathNavigator flyingpathnavigator = new FlyingPathNavigator(this, worldIn);
        flyingpathnavigator.setCanOpenDoors(false);
        flyingpathnavigator.setCanSwim(true);
        flyingpathnavigator.setCanEnterDoors(true);
        return flyingpathnavigator;
    }

    protected float getStandingEyeHeight(Pose poseIn, EntitySize sizeIn) {
        return sizeIn.height * 0.6F;
    }

    /**
     * Called frequently so the entity can update its state every tick as required. For example, zombies and skeletons
     * use this to react to sunlight and start to burn.
     */
    public void livingTick() {
        if (this.jukeboxPosition == null || !this.jukeboxPosition.withinDistance(this.getPositionVec(), 3.46D) || !this.world.getBlockState(this.jukeboxPosition).isIn(Blocks.JUKEBOX)) {
            this.partyParrot = false;
            this.jukeboxPosition = null;
        }

        super.livingTick();
        this.calculateFlapping();
    }

    /**
     * Called when a record starts or stops playing. Used to make parrots start or stop partying.
     */
    @OnlyIn(Dist.CLIENT)
    public void setPartying(BlockPos pos, boolean isPartying) {
        this.jukeboxPosition = pos;
        this.partyParrot = isPartying;
    }

    @OnlyIn(Dist.CLIENT)
    public boolean isPartying() {
        return this.partyParrot;
    }

    private void calculateFlapping() {
        this.oFlap = this.flap;
        this.oFlapSpeed = this.flapSpeed;
        this.flapSpeed = (float)((double)this.flapSpeed + (double)(!this.onGround && !this.isPassenger() ? 4 : -1) * 0.3D);
        this.flapSpeed = MathHelper.clamp(this.flapSpeed, 0.0F, 1.0F);
        if (!this.onGround && this.flapping < 1.0F) {
            this.flapping = 1.0F;
        }

        this.flapping = (float)((double)this.flapping * 0.9D);
        Vector3d vector3d = this.getMotion();
        if (!this.onGround && vector3d.y < 0.0D) {
            this.setMotion(vector3d.mul(1.0D, 0.6D, 1.0D));
        }

        this.flap += this.flapping * 2.0F;
    }

    public ActionResultType func_230254_b_(PlayerEntity p_230254_1_, Hand p_230254_2_) {
        ItemStack itemstack = p_230254_1_.getHeldItem(p_230254_2_);
        if (!this.isTamed() && TAME_ITEMS.contains(itemstack.getItem())) {
            if (!p_230254_1_.abilities.isCreativeMode) {
                itemstack.shrink(1);
            }

            if (!this.isSilent()) {
                this.world.playSound((PlayerEntity)null, this.getPosX(), this.getPosY(), this.getPosZ(), SoundEvents.ENTITY_PARROT_EAT, this.getSoundCategory(), 1.0F, 1.0F + (this.rand.nextFloat() - this.rand.nextFloat()) * 0.2F);
            }

            if (!this.world.isRemote) {
                if (this.rand.nextInt(10) == 0 && !net.minecraftforge.event.ForgeEventFactory.onAnimalTame(this, p_230254_1_)) {
                    this.setTamedBy(p_230254_1_);
                    this.world.setEntityState(this, (byte)7);
                } else {
                    this.world.setEntityState(this, (byte)6);
                }
            }

            return ActionResultType.func_233537_a_(this.world.isRemote);
        } else if (itemstack.getItem() == DEADLY_ITEM) {
            if (!p_230254_1_.abilities.isCreativeMode) {
                itemstack.shrink(1);
            }

            this.addPotionEffect(new EffectInstance(Effects.WITHER, 900));
            if (p_230254_1_.isCreative() || !this.isInvulnerable()) {
                this.attackEntityFrom(DamageSource.causePlayerDamage(p_230254_1_), Float.MAX_VALUE);
            }

            return ActionResultType.func_233537_a_(this.world.isRemote);
        } else if (!this.isFlying() && this.isTamed() && this.isOwner(p_230254_1_)) {
            if (!this.world.isRemote) {
                this.func_233687_w_(!this.func_233685_eM_());
            }

            return ActionResultType.func_233537_a_(this.world.isRemote);
        } else {
            return super.func_230254_b_(p_230254_1_, p_230254_2_);
        }
    }

    /**
     * Checks if the parameter is an item which this animal can be fed to breed it (wheat, carrots or seeds depending on
     * the animal type)
     */
    public boolean isBreedingItem(ItemStack stack) {
        return false;
    }

    public static boolean func_223317_c(EntityType<ParrotEntity> parrotIn, IWorld worldIn, SpawnReason reason, BlockPos p_223317_3_, Random random) {
        BlockState blockstate = worldIn.getBlockState(p_223317_3_.down());
        return (blockstate.func_235714_a_(BlockTags.LEAVES) || blockstate.isIn(Blocks.GRASS_BLOCK) || blockstate.func_235714_a_(BlockTags.LOGS) || blockstate.isIn(Blocks.AIR)) && worldIn.getLightSubtracted(p_223317_3_, 0) > 8;
    }

    public boolean onLivingFall(float distance, float damageMultiplier) {
        return false;
    }

    protected void updateFallState(double y, boolean onGroundIn, BlockState state, BlockPos pos) {
    }

    /**
     * Returns true if the mob is currently able to mate with the specified mob.
     */
    public boolean canMateWith(AnimalEntity otherAnimal) {
        return false;
    }

    @Nullable
    public AgeableEntity func_241840_a(ServerWorld p_241840_1_, AgeableEntity p_241840_2_) {
        return null;
    }

    public boolean attackEntityAsMob(Entity entityIn) {
        return entityIn.attackEntityFrom(DamageSource.causeMobDamage(this), 3.0F);
    }

    @Nullable
    public SoundEvent getAmbientSound() {
        return SoundEvents.ENTITY_PARROT_AMBIENT;
    }

    protected SoundEvent getHurtSound(DamageSource damageSourceIn) {
        return SoundEvents.ENTITY_PARROT_HURT;
    }

    protected SoundEvent getDeathSound() {
        return SoundEvents.ENTITY_PARROT_DEATH;
    }

    protected void playStepSound(BlockPos pos, BlockState blockIn) {
        this.playSound(SoundEvents.ENTITY_PARROT_STEP, 0.15F, 1.0F);
    }

    protected float playFlySound(float volume) {
        this.playSound(SoundEvents.ENTITY_PARROT_FLY, 0.15F, 1.0F);
        return volume + this.flapSpeed / 2.0F;
    }

    protected boolean makeFlySound() {
        return true;
    }

    /**
     * Gets the pitch of living sounds in living entities.
     */
    protected float getSoundPitch() {
        return getPitch(this.rand);
    }

    public static float getPitch(Random random) {
        return (random.nextFloat() - random.nextFloat()) * 0.2F + 1.0F;
    }

    public SoundCategory getSoundCategory() {
        return SoundCategory.NEUTRAL;
    }

    /**
     * Returns true if this entity should push and be pushed by other entities when colliding.
     */
    public boolean canBePushed() {
        return true;
    }

    protected void collideWithEntity(Entity entityIn) {
        if (!(entityIn instanceof PlayerEntity)) {
            super.collideWithEntity(entityIn);
        }
    }

    /**
     * Called when the entity is attacked.
     */
    public boolean attackEntityFrom(DamageSource source, float amount) {
        if (this.isInvulnerableTo(source)) {
            return false;
        } else {
            this.func_233687_w_(false);
            return super.attackEntityFrom(source, amount);
        }
    }

    public int getVariant() {
        return MathHelper.clamp(this.dataManager.get(VARIANT), 0, 4);
    }

    public void setVariant(int variantIn) {
        this.dataManager.set(VARIANT, variantIn);
    }

    protected void registerData() {
        super.registerData();
        this.dataManager.register(VARIANT, 0);
    }

    public void writeAdditional(CompoundNBT compound) {
        super.writeAdditional(compound);
        compound.putInt("Variant", this.getVariant());
    }

    /**
     * (abstract) Protected helper method to read subclass entity data from NBT.
     */
    public void readAdditional(CompoundNBT compound) {
        super.readAdditional(compound);
        this.setVariant(compound.getInt("Variant"));
    }

    public boolean isFlying() {
        return !this.onGround;
    }

    @OnlyIn(Dist.CLIENT)
    public Vector3d func_241205_ce_() {
        return new Vector3d(0.0D, (double)(0.5F * this.getEyeHeight()), (double)(this.getWidth() * 0.4F));
    }
}

[OrcaWorld]

Guys I fixed it myself. You can ignore this or blocked. Game not crashes anymore.