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'''Full brightness''' is a [[multiplayer cheat]] which causes the screen to always be rendered at full brightness. There are two ways of doing this. The effect is similar to the [[lite amp]] power up, but permanent. This is considered a cheat as it gives the cheating player an unfair advantage over other players: in dark areas, the player will be able to see opponents perfectly.
The only conclusive way to detect the use of this cheat is visual observation of the player's screen as the game is played. However, on maps with extremely dark areas, viewing deathmatch recordings in which the cheat was loaded by one of the players could reveal circumstantial evidence. === Method 1:===
The cheat takes the form of a [[PWAD]] loaded at startup or a modified [[IWAD]] file, to change the [[COLORMAP]] lump. Each light level map in the colormap is changed to be equal to the full brightness colormap.
An alternative method is to repeat and duplicate the first 16 colormaps two times each (or the first 8, four times each), thereby ''dramatically'' increasing the brightness of the game, while still allowing the player to partially view [[partial invisibility|partially invisible]] things (like [[spectre]]s and players using the [[blur artifact]]). Partial invisibility is achieved via the colormap remapping the pixels behind the object to slightly darker shades, and a totally remapped colormap makes them almost totally invisible.
=== Method 2: A second approach is to simply edit the map you are playing and set all sector light levels to 255. As long as you do not rebuild the maps bsp tree etc this will have no ill effects. It must however be done per map you play and although superior play wise it is not a genereal solution for any map. You can either save the changes into your doom [[IWAD]] or load a [[PWAD]] whenever you need the cheat available.===
== Related ==
A related multiplayer cheat is done by editing the executable file with [[DeHackEd]] (or other doom exe editor), and giving the player objects "full brightness" (causing their sprites to always be rendered on colormap 0). If done properly, this would ''generally'' does not cause consistency failures and would dramatically increase the visibility of other players.
== Source ==
