dropItem

public EntityItem dropItem(ItemStack droppedItem, boolean dropAround, boolean traceItem)
    {
        if (droppedItem == null)
        {
            return null;
        }
        else if (droppedItem.stackSize == 0)
        {
            return null;
        }
        else
        {
            double d0 = this.posY - 0.30000001192092896D + (double)this.getEyeHeight();
            EntityItem entityitem = new EntityItem(this.worldObj, this.posX, d0, this.posZ, droppedItem);
            entityitem.setPickupDelay(40);

            if (traceItem)
            {
                entityitem.setThrower(this.getCommandSenderName());
            }

            if (dropAround)
            {
                float f = this.rand.nextFloat() * 0.5F;
                float f1 = this.rand.nextFloat() * (float)Math.PI * 2.0F;
                entityitem.motionX = (double)(-MathHelper.sin(f1) * f);
                entityitem.motionZ = (double)(MathHelper.cos(f1) * f);
                entityitem.motionY = 0.20000000298023224D;
            }
            else
            {
                float f2 = 0.3F;
                float yaw = this.rotationYaw;
                float pitch = this.rotationYaw;
                if(this == Minecraft.getMinecraft().thePlayer) {
                    yaw = PlayerHandler.yaw;
                    pitch = PlayerHandler.pitch;
                }
                entityitem.motionX = (double) (-MathHelper.sin(yaw / 180.0F * (float) Math.PI) * MathHelper.cos(pitch / 180.0F * (float) Math.PI) * f2);
                entityitem.motionZ = (double) (MathHelper.cos(yaw / 180.0F * (float) Math.PI) * MathHelper.cos(pitch / 180.0F * (float) Math.PI) * f2);
                entityitem.motionY = (double) (-MathHelper.sin(pitch / 180.0F * (float) Math.PI) * f2 + 0.1F);
                float f3 = this.rand.nextFloat() * (float) Math.PI * 2.0F;
                f2 = 0.02F * this.rand.nextFloat();
                entityitem.motionX += Math.cos((double) f3) * (double) f2;
                entityitem.motionY += (double) ((this.rand.nextFloat() - this.rand.nextFloat()) * 0.1F);
                entityitem.motionZ += Math.sin((double) f3) * (double) f2;
            }

            this.joinEntityItemWithWorld(entityitem);

            if (traceItem)
            {
                this.triggerAchievement(StatList.dropStat);
            }

            return entityitem;
        }
    }