MixinLivingEntity.java

package wayoftime.bloodmagic.mixin.client;

import com.llamalad7.mixinextras.injector.ModifyReturnValue;
import net.minecraft.client.Minecraft;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.entity.LivingEntity;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.level.Level;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.injection.At;
import wayoftime.bloodmagic.potion.BloodMagicPotions;

@Mixin(LivingEntity.class)
public abstract class MixinLivingEntity extends Entity
{
    public MixinLivingEntity(EntityType<?> p_19870_, Level p_19871_) {
        super(p_19870_, p_19871_);
        throw new IllegalStateException("Instantiated MixinLivingEntity");
    }

    @ModifyReturnValue(
            method = "isCurrentlyGlowing",
            at = @At(value = "RETURN")
    )
    public boolean isCurrentlyGlowing(boolean original){
        Player player = Minecraft.getInstance().player;

        if(player != null && player.hasEffect(BloodMagicPotions.SPECTRAL_SIGHT.get()))
        {
            double distance = (player.getEffect(BloodMagicPotions.SPECTRAL_SIGHT.get()).getAmplifier() * 32 + 24);
            if (distanceToSqr(Minecraft.getInstance().player) <= (distance * distance))
            {
                return true;
            }
        }
        return original;
    }



}