Method getBrightness

src/main/java/net/minecraft/entity/Entity.java:1308–1312

Gets how bright this entity is.

(float partialTicks)

     * Gets how bright this entity is.
     */
    public float getBrightness(float partialTicks)
    {
        BlockPos blockpos = new BlockPos(this.posX, this.posY + (double)this.getEyeHeight(), this.posZ);
        return this.worldObj.isBlockLoaded(blockpos) ? this.worldObj.getLightBrightness(blockpos) : 0.0F;
    }

    /**
     * Sets the reference to the World object.