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Level Transition Remover

This simple addon automatically removes level transitions found in certain maps, allowing you and your friends to play them without having to worry about accidentally changing the level. By default, it replaces them with solid, invisible blocks that prevent anything from getting past them.

For those unfamiliar with level transitions, some maps are designed to be part of a sequence of multiple maps. They often use level transitions so players can simply walk into the next level. Level transitions are usually fine when you're playing the map the way it's designed to be played. Almost every map mounted directly from Half-Life 2 and other single-player games use level transitions. Although these level transitions are completely normal, anyone can walk through them and abruptly change the map to the next level. This can be a big problem in multiplayer, as anyone who walks through a level transition can cause the whole server and all of its players to change maps with no warning.

If you don't want to have any level transitions, this addon is for you. It replaces level transitions with solid, invisible blocks that prevent anyone from getting into the area behind them. It could also just remove the triggers without placing any solid blocks, allowing you to freely roam the area without changing the level or being stopped by an invisible wall in its place.

This is a lifesaver for when you want to play on a HL2 map without the risk of someone bringing everyone to the next map by just walking through a hallway.

It also unlocks the possibility of playing multiplayer gamemodes on HL2 maps without the risks involved with level transitions. Imagine playing Prop Hunt or Hide & Seek in the trainstation plaza or the streetwar levels! It probably won't exactly be a very fair and normal game with all of the NPCs and weapons around, but it might be awesome or feel like an experiment or something!

The addon is currently controlled by two convars:

• lvltransrmv_enabled -- Allows the addon to remove level transitions. Enabled by default.
  
• lvltransrmv_solid -- Allows the addon to replace removed level transitions with solid blocks using the same brush model, otherwise just removing the triggers without making the area solid. Enabled by default.

If you change these settings, reset the map for the changes to take place. A more user-friendly interface may come in the future, but for now you'll have to use the console.