I made a Resource pack that makes fake shadows. A few people on the server showed interest so I decided to post it here for everyone else. It requires Optifine and should be used on “bright” brightness. It also makes the lighting softer and more pleasing both indoors and out.
Image Preview: http://i.imgur.com/dVMY9lh.jpg
Download: https://www.dropbox.com/s/8pv48s1viw7gvsg/Surf%27s%20Shadows.zip?dl=0