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=head1 Random Map Deployment Guide |
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|
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=head2 Using random maps |
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|
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Any exit with "/!" as the destination map will generate a random map. To |
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specify random map parameters, you put parameters in the message field for |
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the exit. |
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|
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=head2 How styles work |
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|
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A "style" is usually a small map which contains only objects which |
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define the "style". For example, a monsterstyle "orc" might be a map |
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generated with crossedit which has six orcs, a kobold, and a troll in it. |
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When monsters are placed, the generator will randomly choose monsters from the |
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"orc" style, and for this example, on average, it will generate 6 orcs/troll |
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and 1 kobold/troll. So orcs will be very common, and there'll be occasional |
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trolls and kobolds. |
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|
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In principle, you may put any object in any style map. However, the |
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map generator will do special things with the object depending on which |
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directory it is in. Style maps are located in maps/styles/*, you may use |
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the editor to modify the style maps, or create new ones. |
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|
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Any style parameters that accept a map path accept both simple maps |
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(F<.map> files), meta files (F<.rmg>) and directories. |
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|
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Maps will simply be used as-is. |
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|
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Meta files are JSON objects with (currently) only one key: "maps" which |
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must be a hash with C<"path" : weight> pairs, of which one is randomly |
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chosen. |
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|
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Directories are handled based on the filenames in it: if there are any |
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files with "_\d+" in their name (e.g F<map_1.map>, F<map_99.map>), |
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then the one with the value closest to the difficulty value is chosen, |
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otherwise a random entry is picked (which can in turn be a meta file, |
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directory etc.). |
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|
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=head2 Style Parameters |
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|
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layoutstyle <style> (special!) Pick the layout style for the map. |
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Currently, "rogue", "spiral", "maze", "snake", |
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"onion", and "squarespiral" are allowed. See |
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below for more detail. |
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|
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floorstyle <style> Load /styles/floorstyles/<style> and pick a random |
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floortype from that style map for the random map. |
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The entire map will be tiled with the floortype. |
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|
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wallstyle <style> Load /styles/wallstyles/<style> and pick a random |
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walltype from that style for the random map. All |
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the walls in the map will be of this type. The |
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walls are modified on insertion so that players |
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cannot go through them: this is expected for |
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walls, but the random map generator makes sure of |
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it. A <style> of "none" causes no walls or doors |
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to be generated. |
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|
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doorstyle <style> Load /styles/doorstyles/<style> and pick a random |
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doortype from that style for the random map. A |
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<style> of "none" causes no doors to generated. |
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|
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exitstyle <style> Put one or two exits in the map, one leading back |
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to the map where we entered from (origin_map, |
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origin_x, origin_y), and, if appropriate, one |
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leading to another, harder, random map. A style of |
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"none" causes no exits to be generated. |
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|
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decorstyle <style> Load /styles/decorstyles/<style> and pick the |
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decor objects from that style to insert in the |
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map. Decor objects are modified on insertion so |
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that they do NOT block movement, regardless of the |
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archetype. They are placed randomly. A style of |
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"none" causes no decor objects to be generated. |
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|
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monsterstyle <style> Load /styles/monsterstyles/<style>, if it exists. |
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If it doesn't exist, then it will look for a directory |
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of that name. If it finds a directory, it will choose |
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a style based on dungeon_level. It will pick the style |
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with the name <name>_# with the # closest to the |
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dungeon_level. Monster objects are copied from the |
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style map, so you may form style maps with modified |
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monsters which are weaker or stronger than the default |
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archetype.A style of "none" causes no monsters to be |
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generated. |
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|
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treasurestyle <style> (Special) If the style name chosen is contained |
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in the lib/treasures file, it will use |
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that for making treasures. If it is NOT |
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in the lib/treasures file, it will look up |
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/styles/treasurestyle/<style>, and pick random |
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treasures from there. If <style> matches neither |
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of these, it will generate treasures using the |
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"chest" treasurelist. A style of "none" causes no |
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treasures to be placed. |
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|
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|
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|
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=head2 Layout Parameters |
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|
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|
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xsize <int> size of the map: if not set, random from 10 to 70 |
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|
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|
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ysize <int> size of the map: if not set, random from 10 to 70 |
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|
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|
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expand2x <bool> Do we double the size of the layout? This has |
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the effect of increasing the corridor widths by about |
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2x. Set it to a non-zero integer if this is desired. |
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|
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|
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symmetry <sym> symmetry of the layout: You can cause the map generator |
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to generate a symmetrical layout by using this flag. |
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symmetry 0 random symmetry |
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symmetry 1 no symmetry |
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symmetry 2 symmetry about the vertical centerline |
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symmetry 3 symmetry about the horizontal centerline |
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symmetry 4 both 2 and 3 symmetry |
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|
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|
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Layout Style: Parameter: Effect: |
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|
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|
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maze maze_type 0: rooms (open space with some walls) |
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1: sparse (maze with some larger open spaces) |
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2: braided (few dead ends) |
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3: closed (complete maze) |
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default: random |
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|
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50% of the time a maze layout will be "doorified", meaning that doors |
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will be placed at random in the maze. |
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|
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onion layoutoptions1 0 (default) Pick random options |
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See "Onion Rooms" below for |
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the rest of the options. |
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|
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onion layoutoptions2 0 (default) Pick a random number of |
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"onion layers" |
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|
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|
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=head2 Map generation parameters |
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|
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|
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difficulty Set the map difficulty. Has no relation to the |
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"difficulty" defined in common/*.c. |
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If nonzero, this map and its descendants will |
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have the same difficulty. If zero, it'll be set |
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to the value of dungeon_level and incremeneted with |
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each recursive map. |
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|
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difficulty_increase Sets how fast the difficulty increases. This value |
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is a float - the default value is 1.0. Reducing |
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This only applies to map without a default |
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difficulty set (but that could change in the |
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future). For each level of a map, the difficulty |
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is set to depth * difficulty_increase. Setting |
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this parameter to 0.5 (or other values between 0 |
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and 1) is a way to have deep dungeons that do not |
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increase in difficulty all that rapidly. |
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|
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|
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dungeon_level Another way of setting the map difficulty. This |
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has no relation to the "difficulty" defined in |
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the common/*.c source code. The effect is to pick |
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which monsters to use: for example, if the |
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monsterstyle |
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is "humanoid" and the dungeonlevel is 9, the style |
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map /styles/monsterstyles/humanoid/humanoid_9 will be |
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the style from which monsters are chosen. After the |
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monsters are placed, the map |
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difficulty is set according |
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to the server's rule, for treasure purposes. |
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|
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dungeon_depth The map generated will have an exit to another |
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random map of the same style if |
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dungeon_level < dungeon_depth. The next random map |
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will have dungeon_level incremented. If dungeon_level |
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>= dungeon_depth, no exit to a more difficult map |
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will be made. |
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|
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orientation How the exits look: |
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0 random "orientation" |
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1 player arrives in the map at |
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a "stairs up", he goes to harder |
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levels by finding a "stairs down" |
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2 reverse of 1 |
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3-6 exits are horizontal. In the future |
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these will be made to make exits to |
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rightward, leftward, north and south. |
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|
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origin_x <You shouldn't need to set this> The exit which |
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leads back from this map will go to this x. |
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|
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origin_y Like origin_x |
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|
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random_seed Set the random seed number used. This number |
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completely determines the random numbers: a map |
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with the same random seed and other parameters |
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will always produce exactly the same map. |
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|
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final_map When dungeon_level >= dungeon_depth, another exit |
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isn't usually made. However, if final_map is set |
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to a map's name, then an exit to this map will |
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be made. |
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|
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exit_on_final_map The default action is to place an exit on |
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the final map. When explicitly set to 'no' this will |
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not place a return exit on the final_map. |
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If you use this setting YOU MUST PROVIDE A WAY BACK IN THE FINAL MAP! |
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|
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|
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=head2 Misc. Parameters |
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|
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decoroptions <option> Currently, ignored. Possibly in the future it |
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will cause the decor to be patterned in some way, |
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such as <put decor along walls> or <put decor |
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in center of rooms> |
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|
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|
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treasureoptions <opt> Parameterizes how the treasure is placed and protected. |
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0 choose random treasure options |
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1 concentrate the treasure on the map in a few locations |
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2 hide the treasure behind hidden doors |
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4 put the treasure in a chest which must be unlocked. |
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(a key will be placed somewhere in the map, probably |
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in a monster.) |
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8 Put locked doors around the treasure (a key to each |
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door will be placed in a monster or somewhere reachable |
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by the player: one key on each side of the door.) |
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In onion maps, the treasure is co-located with the |
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exit to harder levels, so this makes the exit harder |
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to get to. |
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16 Trap the treasure. A trap from /styles/trapstyles/traps |
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is selected and inserted into the treasure chest. |
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32 sparse treasure. 1/2 as much treasure is generated. |
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64 rich treasure. 2x as much treasure is generated. |
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|
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If option 1 is not set, options 2-16 are ignored. Options |
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may be added together: treasureoptions 3 means treasure |
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optons 1 and 2 are set. |
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|
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=head2 Map Layout styles |
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|
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=head3 Onion Maps |
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|
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Onion rooms are like this: |
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|
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regular random |
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centered, linear onion: bottom/right centered, nonlinear: |
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|
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######################### ######################### |
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# # # # |
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# ######## ########## # # ##################### |
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# # # # # # # |
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# # ###### ######## # # # # # |
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# # # # # # # # ######## ######## |
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# # # #### ###### # # # # # # # |
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# # # # # # # # # # # # |
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# # # ############ # # # # # # ########### ## |
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# # # # # # # # # # # |
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# # ################ # # # # # # ######### |
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# # # # # # # # # |
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# #################### # # # # # # |
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# # # # # # # # |
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######################### ######################### |
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|
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options: |
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0 Pick random options below |
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1 "centered" |
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2 linear doors (default is nonlinear) |
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4 bottom "centered" |
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8 bottom-right centered |
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16 outer wall off: i.e., no outer wall. |
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32 irregularly/randomly spaced layers (default: regular) |
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|
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|
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=head3 Maze Maps |
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|
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Maze maps are like this: |
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|
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A "sparse" maze: |
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|
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######################################## |
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# # # # # # # # # # # # # # |
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# # # # # # # # # # # # |
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#### ## ## # # ### # ## # # # ## |
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# ##### # ## # # # ## ### ## ### # |
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## ### # # # # |
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# ### # # #### ### # |
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# # ## ## ## # # ### |
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# ###### # ### # # ## # # |
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# # ## #### ## # # # # # |
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# # ## ## ## ### ## # # # # # |
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#### ## ## ## ## ### # ### ### |
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# # ## ##### # ### # |
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## ## # ### # ## ## |
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# ## ## ## # ## # ### # |
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## # # # # # # # ## # |
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# ### ### ## # ## ## #### ## # # |
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## # # # # # # # #### # ### |
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# ### ## ## # ## ## ## # ### # |
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## # ## # # # # # # ## # ## |
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# ##### ## ## #### ## # # # ## # |
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## # # # # ## # ### # |
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# # # # # # # # # # # # # # |
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######################################## |
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|
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A "full" maze: |
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|
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######################################## |
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# # # # # # # |
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# # # # # # # # # # # # # # # |
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### ## ## ######## ### ### ### # # |
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# # # ## # ### ### # ### ## |
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# ##### ### ##### ## ## ## # # |
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# # # ## # # ## #### # # # ## |
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# #### ## ### #### # ## ## ### # # # |
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# # # # # ### # # # # |
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# ### ## ## ### #### #### ## # ### |
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# # # # # # #### ## # # ## # # |
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# # ## #### ## # ## # ## # # |
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# #### ## # ### #### # ### # #### # |
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# # # # # # # # ## #### # # |
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# ##### #### ## ### # # ## # |
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# ## ## # ## ## ## ##### # # # |
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# # # # ## # # # ## # # ### # # |
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## ### # ## # # #### ### # # # ## # |
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# # # # ## # # # ## ### # # |
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## # #### ## # # ###### # # #### # |
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# # #### # ###### ## ### # # |
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### # ## ## # # # ## # |
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# # # # # # # # # # # # # |
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######################################## |
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|
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|
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=head3 Spiral Maps |
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|
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A Spiral Map:: |
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|
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########################### |
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########################### |
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########### D ########## |
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######### #### ######## |
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######## ######## ####### |
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####### ########## ###### |
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###### ############ ##### |
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###### #### #####D##### |
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##### ### ### #### #### |
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##### #### ##### #### #### |
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#####D#### ###### ####D#### |
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##### ### #C### #### #### |
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###### #### >###D#### #### |
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######D########## ####D#### |
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###### ######## ### #### |
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####### ###### #### ##### |
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######## D D D #### ##### |
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#################### ###### |
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################### ###### |
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################# ####### |
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################# <######## |
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########################### |
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########################### |
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|
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layoutoptions1: |
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|
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0 pick random options |
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1 Regular spiral: distance increases constantly with angle |
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2 Fine spiral: most coils possible are fit in |
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4 Fit Spiral: scale spiral to fit rectanglar region |
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(i.e., the spiral will look elliptical) |
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|
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=head3 Rogue-like Maps: |
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|
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A Rogue-like Map: |
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|
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############################### |
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############# ########### |
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# ## ########### |
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# DD ########### |
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# ## ########### |
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# ## #### ## |
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# #####D####### ## |
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# D D ## |
| 385 |
###D######D##### ####### ## |
| 386 |
### ## ### ## ## |
| 387 |
###D D ### ###D#### |
| 388 |
### ## D D < ### #### |
| 389 |
### ######D##### ### #### |
| 390 |
###D###### ##### #### #### |
| 391 |
## #### ##### # ##### #### |
| 392 |
## #### ##### ######### #### |
| 393 |
## ####D##### ######### #### |
| 394 |
## ## ### # ### #### |
| 395 |
## ## ### # ###D#### |
| 396 |
## ## ### # ### ## |
| 397 |
######## ### # ### # |
| 398 |
######## D D D ### > # |
| 399 |
######## ##### ### # |
| 400 |
######## ##### ### ## |
| 401 |
######## ##### ######## |
| 402 |
################## ######## |
| 403 |
############################### |
| 404 |
|
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layoutoptions1: |
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|
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0 pick random room shapes (i.e., mix it up) |
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1 Always use rectangular rooms |
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2 Always use "circular" rooms |
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|
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=head3 Snake layouts |
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|
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No options are available for snake layouts. |
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A player must touch every room to descend deeper in a snake. |
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|
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This is a basic snake layout: |
| 417 |
|
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############################ |
| 419 |
#> # |
| 420 |
# # |
| 421 |
# # |
| 422 |
##########################D# |
| 423 |
# # |
| 424 |
# # |
| 425 |
# # |
| 426 |
#D########################## |
| 427 |
# # |
| 428 |
# # |
| 429 |
# # |
| 430 |
##########################D# |
| 431 |
# # |
| 432 |
# # |
| 433 |
# # |
| 434 |
#D########################## |
| 435 |
# # |
| 436 |
# # |
| 437 |
# # |
| 438 |
# # |
| 439 |
# <# |
| 440 |
############################ |
| 441 |
|
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This is a roomified, xy-symmetric snake layout: |
| 443 |
|
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################################### |
| 445 |
#> # # # # ># |
| 446 |
# # # # # # |
| 447 |
##D####### D D #######D## |
| 448 |
# # # # # # |
| 449 |
# # # # # # |
| 450 |
# D # < # D # |
| 451 |
# # # # # # |
| 452 |
# # # # # # |
| 453 |
##D####### D D #######D## |
| 454 |
# # # # # # |
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#> # # # # ># |
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################################### |
| 457 |
|
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=head3 Square spirals |
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|
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No options are available for square spirals |
| 461 |
A player must touch every room to descend in a square spiral. |
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|
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This is a basic square spiral layout: |
| 464 |
|
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############################### |
| 466 |
# # # |
| 467 |
# D # |
| 468 |
# #####################D##### |
| 469 |
# # # # # |
| 470 |
# # # # # |
| 471 |
# # D # # |
| 472 |
# # #############D### # |
| 473 |
# # # # # # # |
| 474 |
# # # # # # # |
| 475 |
# # # D # # # |
| 476 |
# # # #####D### # # |
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# # # # > # # # # |
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# # # D # # # # |
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# # ######### # # # |
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# # # D # # # |
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# # # # # # # |
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# # D # # # # |
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# ################# # # |
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# # D # # |
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# # # # # |
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# D # # # |
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######################### # |
| 488 |
# D # |
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# # # |
| 490 |
# # # |
| 491 |
#< # # |
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############################### |
| 493 |
|
| 494 |
This is an xy-symmetric square spiral layout: |
| 495 |
|
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##################################### |
| 497 |
# # < # # |
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##D##########D# #D##########D## |
| 499 |
# # # ####D#### # # # |
| 500 |
# ###DD### # # ###DD### # |
| 501 |
# # #> # ##D###D## # ># # # |
| 502 |
# # ####D### ###D#### # # |
| 503 |
# # D # # D # # |
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# ############D#####D############ # |
| 505 |
# D D # |
| 506 |
# # # # |
| 507 |
# D D # |
| 508 |
# ############D#####D############ # |
| 509 |
# # D # # D # # |
| 510 |
# # ####D### ###D#### # # |
| 511 |
# # #> # ##D###D## # ># # # |
| 512 |
# ###DD### # # ###DD### # |
| 513 |
# # # ####D#### # # # |
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##D##########D# #D##########D## |
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# # < # # |
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##################################### |
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|
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|
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=head2 An example input file |
| 520 |
|
| 521 |
layoutstyle onion |
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monsterstyle humanoid |
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dungeon_depth 3 |
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xsize 15 |
| 525 |
ysize 15 |
| 526 |
exitstyle cstair |
| 527 |
orientation 1 |
| 528 |
decorstyle furniture |
| 529 |
floorstyle dirt |
| 530 |
wallstyle wooden |
| 531 |
symmetry 1 |
| 532 |
|
| 533 |
|
| 534 |
=head2 Below is the original proposal |
| 535 |
|
| 536 |
Random Maps |
| 537 |
|
| 538 |
The major thing still missing from Crossfire, I think, is a good facility |
| 539 |
for generating random maps: |
| 540 |
|
| 541 |
1. They can be used by map creators to create a basic layout for his |
| 542 |
quest or whatever, so that he need not start from a blank canvas. |
| 543 |
|
| 544 |
2. Buildings with nothing else in them can have a random map in them. |
| 545 |
In fact, we could have the same random map generated every time someone |
| 546 |
enters a particular building (pick the seed off of the parent map name |
| 547 |
and the entrance location!) This would transform the world from finite |
| 548 |
to infinite. |
| 549 |
|
| 550 |
Needed Features: |
| 551 |
|
| 552 |
Styles: |
| 553 |
|
| 554 |
Random maps would need to be "styled": walls, doors, monsters, and other |
| 555 |
decor should be picked from certain subsets of the total object set. An inn |
| 556 |
has a very different style than a castle, and from a dungeon, in both walls, |
| 557 |
decor, and monsters. |
| 558 |
|
| 559 |
Ubiquity: (map configurable: unspecified==no random maps) |
| 560 |
|
| 561 |
Any exit which does not have a destination specified should lead to |
| 562 |
a random map, but WITH a sign saying "this is a random map". |
| 563 |
|
| 564 |
Identifiability: (configurable) |
| 565 |
|
| 566 |
Random maps includes a sign |
| 567 |
which states that the map is random. |
| 568 |
|
| 569 |
Recursion: |
| 570 |
|
| 571 |
Random maps should optionally have another entrance to a random map of |
| 572 |
the same style. The depth of recursion should be specifiable. |
| 573 |
|
| 574 |
Difficulty: |
| 575 |
|
| 576 |
Difficulty should be specifiable. Also, whether the map advances in |
| 577 |
difficult with recursion should be specified. |
| 578 |
|
| 579 |
Quests: |
| 580 |
|
| 581 |
It would be cool if random quests could be implemented, too. I won't |
| 582 |
put this in immediately. |
| 583 |
|
| 584 |
Standalone operation: |
| 585 |
|
| 586 |
It'd be cool if the random map generator operated standalone, so that |
| 587 |
map designers could use it easily as well as the server could at exits. |
| 588 |
|
| 589 |
Size: |
| 590 |
|
| 591 |
Random maps should be sized. A big, multi-square exit should have a bigger |
| 592 |
random map to it, while a small house should have a small interior. |
| 593 |
|
| 594 |
Inheritance: |
| 595 |
|
| 596 |
The type and location of the exit should imply something about its random |
| 597 |
interior. A shop exit should have a shop interior, a house should have a |
| 598 |
home interior, etc, a difficult map should have difficult sub-maps. |
| 599 |
|
| 600 |
Directedness: |
| 601 |
|
| 602 |
Buildings should have random maps with stairs up to the next random map, |
| 603 |
dungeons with stairs down, etc. |
| 604 |
|
| 605 |
What does everyone think? Anyone willing to help? Has anyone already |
| 606 |
made so much progress on this that I should just help them instead of |
| 607 |
starting one myself? |
| 608 |
|
| 609 |
|
| 610 |
Algorithms: |
| 611 |
|
| 612 |
Maze algorithm: start from a wall point, move forward left or right |
| 613 |
or start from a new wall point, at random, recursively. If blocked, |
| 614 |
pop the stack until you can walk again. If you return all the way, |
| 615 |
a maze is generated. |
| 616 |
|
| 617 |
|
| 618 |
Specs for a room algorithm: |
| 619 |
Can you write for a function: |
| 620 |
|
| 621 |
char **room_gen_corridored(int xsize, int ysize, int option); |
| 622 |
|
| 623 |
which allocates and returns a char[xsize][ysize], with # being a wall |
| 624 |
and a char value of 0 indicating nothing. |
| 625 |
like:: |
| 626 |
|
| 627 |
###################### |
| 628 |
# # # # |
| 629 |
# # # # |
| 630 |
# # |
| 631 |
# # # # |
| 632 |
######### ########## |
| 633 |
# # # # |
| 634 |
# # |
| 635 |
# # # # |
| 636 |
# # # # |
| 637 |
######### ########## |
| 638 |
# # # # |
| 639 |
# # |
| 640 |
# # # # |
| 641 |
###################### |
| 642 |
|
| 643 |
Some suggested options: |
| 644 |
option: |
| 645 |
0 random choice of one of the other options below * |
| 646 |
1 vertical centered corridor * |
| 647 |
2 horizontal centered corridor * |
| 648 |
4 vertical corridor on the right-hand wall * |
| 649 |
8 vertical corridor on the left-hand wall |
| 650 |
16 horizontal corridor on the bottom wall * |
| 651 |
32 horizontal corridor on the top wall |
| 652 |
|
| 653 |
The *'d ones are the important ones. |
| 654 |
|
| 655 |
Options 4 and 16 are important so I can easily create reasonable |
| 656 |
bilaterally and 4-way symmetric maps, as in a castle. |
| 657 |
|
| 658 |
If you're really ambitious, you could make it so you could ADD the |
| 659 |
options to get something like 10: centered vertical corridor and right-hand |
| 660 |
corridor. |
| 661 |
|
| 662 |
One restriction you must satisfy, however, is that every place on the map |
| 663 |
be accessible from everywhere else. |
| 664 |
|
| 665 |
Feel free to contact me with any questons. |
| 666 |
|
| 667 |
peterm@langmuir.eecs.berkeley.edu |
| 668 |
|
| 669 |
=head1 AUTHORS |
| 670 |
|
| 671 |
The original document was taken from Crossfire and subsequently modified by Marc Lehmann. |
