The Source engine is a 3D game engine developed by Valve Corporation. Its unique features include a large degree of modularity and flexibility, an artist-driven, shader-based renderer, accurate lip sync and facial expression technology, and a powerful, efficient and completely network-enabled physics system.
Learn how to use the light, light_spot, light_environment entities and the skybox texture to give your maps some light.
Learn how to create displacements and use the displacement editing tools in Hammer.
Learn how to use a scripted_sequence to make a combine kick in a door.
This tutorial will teach you how to use the input/output system to make a combine break a ceiling window and rapell down for a flashy entrance.
Learn how to - in a reliable and fast way - make openable doors and doors that are just for show.