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Automap

196 bytes added, 14:19, 27 November 2006
overlay mode is only available in certain source ports; "always visible" flag; gr; wiki; fmt
[[Image:Automap.png|frame|[[E1M4: Command Control]] in automap mode. Only the lines the player has seen are visible.]]
The '''automap''' is a map displayed when the user presses the tab key. As all levels in Doom, Heretic and Hexen are [[Doom rendering engine|flat when viewed from above]], the map is easily generated by the software and easy to comprehend by the player. This is in contrast to Doom's close contemporary ''[[Wikipedia:Descent (computer game)|Descent'']], which had an extremely unintuitive 3D map. Most of Doom's fully 3D successors, starting with ''[[Quake]]'', have either abandoned the idea of a top-down map, or circumvent circumvented the problem of displaying a Z-axis by artificially dividing each level into 'floors' and 'zones'.
The map shows all [[wall]]s the player has seen since entering the level. Seeing just a small piece of a wall will make its entire [[linedef]] visible on the map.
* 0: Zooms out fully. If pressed a second time without leaving automap mode, returns the map to its previous scale.
* Tab: Exits automap and returns to normal view.
* O: Toggles overlay mode. Displays (if the source port supports it), which displays the automap superimposed over the regular game view.
If one of these keys has also been mapped to a gameplay function (e.g. firing or running), the above table overrides that key's default behavior during automap mode. All other keys can be used as normal, however.
== Hidden areas ==
During the design of a level, [[linedef]]s linedefs can be flagged by the author so as not to appear on the automap even if the [[computer map]] powerup is obtained. However, the <tt>iddt</tt> [[Doom cheat codes|cheat code]] will display all lines. Linedefs can also be [[Linedef#Linedef Flags|flagged]] so as to appear on the map even before they have been rendered.
To avoid giving away [[secrets]], concealed doors can also be marked so as to initially appear red on the map, as though they were solid walls.
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