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"Cannot resolve constructor" error


RobotAlienz
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Hello!
I am new to forge modding, and am trying to make an entity. I followed a YouTube tutorial from TechnoVision, but I get an error when I try to register the entity.
This is the file on which I try to register the entity:

public class ModEntityTypes {

    public static DeferredRegister<EntityType<?>> ENTITY_TYPES = DeferredRegister.create(ForgeRegistries.ENTITIES, TerraLands.MOD_ID);

    // Entity Types

    public static final RegistryObject<EntityType<grenadeEntity>> GRENADE = ENTITY_TYPES.register("grenade",
            () -> EntityType.Builder.create(grenadeEntity::new, EntityClassification.MISC)
                    .size(0.25f, 0.25f)
                    .build(new ResourceLocation(TerraLands.MOD_ID, "grenade").toString()));
}

I get an error here:

            () -> EntityType.Builder.create(grenadeEntity::new, EntityClassification.MISC)

For whatever reason, the "new" after "grenadeEntity::" gives me an error saying "Cannot resolve constructor 'grenadeEntity'".
The grenadeEntity class looks like this:

public class grenadeEntity extends TNTEntity {

    public grenadeEntity(World worldIn, double x, double y, double z, @Nullable LivingEntity igniter) {
        super(worldIn, x, y, z, igniter);
    }

    public grenadeEntity(EntityType<? extends TNTEntity> type, World worldIn) {
        super(type, worldIn);
    }

    @Override
    protected void explode() {
        float f = 4.0F;
        this.world.createExplosion(this, this.getPosX(), this.getPosYHeight(0.0625D), this.getPosZ(), 4.0F, Explosion.Mode.NONE);
    }
}

I tried changing the second constructor:

    public grenadeEntity(EntityType<? extends TNTEntity> type, World worldIn) {
        super(type, worldIn);
    }

to

    public grenadeEntity(EntityType<?> type, World worldIn) {
        super(type, worldIn);
    }

which seems to fix the problem, but then there's a new problem:

            () -> EntityType.Builder.create(grenadeEntity::new, EntityClassification.MISC)
                    .size(0.25f, 0.25f)
                    .build(new ResourceLocation(TerraLands.MOD_ID, "grenade").toString()));

This entire section of code gets highlighted, giving an error that reads as follows:


Required type:     RegistryObject <EntityType<grenadeEntity>>
Provided:              RegistryObject <EntityType<Entity>>

I am a little stuck and would greatly appreciate some help on what is going on and how to fix it. Thanks!

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  • 4 weeks later...
On 12/1/2021 at 9:59 AM, RobotAlienz said:
public grenadeEntity(EntityType<? extends TNTEntity> type, World worldIn) {
        super(type, worldIn);
    }

Your constructor accepts EntityType<? extends TNTEntity>, when it should be EntityType<? extends grenadeEntity>


Also I would recommend capitalizing the first letter of your class names.
Rename grenadeEntity (Shift+F6 in IntelliJ) to GrenadeEntity.

Edited by Majd123mc
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