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.2er files are used by the Map Editor to define the world map, rooms, metarooms, and the doors between them.
Line: Version (always "1 4") (if this line doesn't exist, e.g. the first line is "32", then the version is "0 0") Line: Property count (usually "32") (the first property is "Room Type", then the following properties are CAs. the remaining properties after that are unknown.) for each Property: Line: Name Line: min max is_enumerated (ints, usually "0 128 0") Line: enumerated_names (vertical-bar-separated strings if is_enumerated = 1, e.g. "Normal|Basket|Above") for 16 room types x 20 CAs (only 16 CAs if version < "1 3") Line: gain loss diffusion (floats) Line: world_map_width world_map_height i.e. "10000 10000" Line: metaroom_base room_base (e.g. arguments to the BRMI CAOS command, only exists if version >= "1 4") Line: Metaroom count for each Metaroom: Line: Metaroom Index (int) Line: left top right bottom (ints) Line: Background count for each background: Line: Background path Line: Music Track (only exists if version >= "1 2") Line: Room Count for each Room: Line: Room Index Line: leftX rightX topLeftY BottomLeftY topRightY bottomRightY Line: Room Type (only exists if version >= "1 1") Line: Music Track (only exists if version >= "1 2") Line: Door count foreach Door: Line: room1_id room2_id Line: dummy (always "1", possibly meant something in earlier versions) Line: Permeability
- Map Editor
- The Metaroom Expansion Kit has .2er files for both Creatures 3 and Docking Station which expand the world map to encompass all known metarooms.