
This will tell the AI Director to spawn a walking "daytime" Witch or a sitting "nighttime" Witch.
Map Properties: (Map->Map Properties): You can now determine the time of day for your map. (Such as allowing only Nick to be able to hot-wire a car, or making a trap that only Coach can activate due to his weight.) filter_activator_model updated to allow scripting buttons/events that only a specific survivor can activate.
Assets from L4D1 are now included by default. Note: The L4D2 Add-on Support tool is no longer needed.
Added L4D 2 Add-on Support tool, which makes all the L4D 1 assets (models/textures) available in both Hammer, and in-game for players/developers running old addons in L4D 2. Added info_director_query which allows scripting custom events based on how 'angry' the director is (how well/bad the survivors are doing). Updated info_gamemode entity to include the new game modes. Director controled weapon/item/upgrade spawn entities: "weapon_spawn", "weapon_item_spawn", and "upgrade_spawn"
Added new Heat Map tool which can be found under the Tools menu. (accomplished using func_instance entity) VMF content into your map whose changes is automatically reflected in your main map upon reload. Added VMF Instancing which allows referencing external. Cordons can now be added to VisGroups and toggled on/off like any other group.
Multiple cordon creation is now possible for more precise control of cordoned regions. This is a reference of what is new in the Left 4 Dead 2 Authoring Tools for those transitioning from L4D 1 editing.