Paper/src/main/java/net/minecraft/server/EntityMushroomCow.java

package net.minecraft.server;

import org.bukkit.event.player.PlayerShearEntityEvent; // CraftBukkit

public class EntityMushroomCow extends EntityCow {

    public EntityMushroomCow(World world) {
        super(world);
        this.a(0.9F, 1.3F);
    }

    public boolean a(EntityHuman entityhuman) {
        ItemStack itemstack = entityhuman.inventory.getItemInHand();

        if (itemstack != null && itemstack.getItem() == Items.BOWL && this.getAge() >= 0) {
            if (itemstack.count == 1) {
                entityhuman.inventory.setItem(entityhuman.inventory.itemInHandIndex, new ItemStack(Items.MUSHROOM_SOUP));
                return true;
            }

            if (entityhuman.inventory.pickup(new ItemStack(Items.MUSHROOM_SOUP)) && !entityhuman.abilities.canInstantlyBuild) {
                entityhuman.inventory.splitStack(entityhuman.inventory.itemInHandIndex, 1);
                return true;
            }
        }

        if (itemstack != null && itemstack.getItem() == Items.SHEARS && this.getAge() >= 0) {
            // CraftBukkit start
            PlayerShearEntityEvent event = new PlayerShearEntityEvent((org.bukkit.entity.Player) entityhuman.getBukkitEntity(), this.getBukkitEntity());
            this.world.getServer().getPluginManager().callEvent(event);

            if (event.isCancelled()) {
                return false;
            }
            // CraftBukkit end

            this.die();
            this.world.addParticle("largeexplode", this.locX, this.locY + (double) (this.length / 2.0F), this.locZ, 0.0D, 0.0D, 0.0D);
            if (!this.world.isStatic) {
                EntityCow entitycow = new EntityCow(this.world);

                entitycow.setPositionRotation(this.locX, this.locY, this.locZ, this.yaw, this.pitch);
                entitycow.setHealth(this.getHealth());
                entitycow.aN = this.aN;
                this.world.addEntity(entitycow);

                for (int i = 0; i < 5; ++i) {
                    this.world.addEntity(new EntityItem(this.world, this.locX, this.locY + (double) this.length, this.locZ, new ItemStack(Blocks.RED_MUSHROOM)));
                }

                itemstack.damage(1, entityhuman);
                this.makeSound("mob.sheep.shear", 1.0F, 1.0F);
            }

            return true;
        } else {
            return super.a(entityhuman);
        }
    }

    public EntityMushroomCow c(EntityAgeable entityageable) {
        return new EntityMushroomCow(this.world);
    }

    public EntityCow b(EntityAgeable entityageable) {
        return this.c(entityageable);
    }

    public EntityAgeable createChild(EntityAgeable entityageable) {
        return this.c(entityageable);
    }
}