Free Hero Mesh class definition file
(Created page with "{{FormatInfo |formattype=electronic |subcat=Game data files |extensions={{ext|class}} }} Category:Programming Languages A Free Hero Mesh puzzle set consists of four files...") |
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− | A Free Hero Mesh puzzle set consists of four files; this article is about the .class file, which contains the program codes implementing the rules of the game. | + | A [[Free Hero Mesh]] puzzle set consists of four files; this article is about the .class file, which contains the program codes implementing the rules of the game. |
This file is a plain text file, with a somewhat [[Lisp]]-like format, describing the classes of objects, their attributes, and the code to implement their behaviours; however, the code implementing behaviours is stack-based, like [[Forth]] or [[PostScript]]. It also includes a macro preprocessor. | This file is a plain text file, with a somewhat [[Lisp]]-like format, describing the classes of objects, their attributes, and the code to implement their behaviours; however, the code implementing behaviours is stack-based, like [[Forth]] or [[PostScript]]. It also includes a macro preprocessor. | ||
+ | |||
+ | The character encoding is normally the PC character encoding ([[CP437]]); however, it is possible to declare the use of other IBM PC code pages other than 437 as well (see [[MS-DOS encodings]]). The <code>(CodePage)</code> block specifies the number of the code page to use; if it is omitted, then 437 is assumed by default. | ||
+ | |||
+ | ===Example=== | ||
+ | <pre><nowiki> | ||
+ | ; Example sokoban code in Free Hero Mesh (public domain) | ||
+ | |||
+ | ($Player | ||
+ | (Image "PLAYER") | ||
+ | Player | ||
+ | Input | ||
+ | (Strength 1) | ||
+ | ('RIGHT E Move) | ||
+ | ('UP N Move) | ||
+ | ('LEFT W Move) | ||
+ | ('DOWN S Move) | ||
+ | (BEGIN_TURN $Box #TEST 0 0 BroadcastSum lnot if WinLevel then) | ||
+ | ) | ||
+ | |||
+ | ($Floor | ||
+ | (Image "FLOOR") | ||
+ | (Density 1) | ||
+ | ) | ||
+ | |||
+ | ($Box | ||
+ | (Image "BOX") | ||
+ | Shovable | ||
+ | (Weight 1) | ||
+ | (Height 1) | ||
+ | (#TEST $Target Loc ObjClassAt lnot) | ||
+ | ) | ||
+ | |||
+ | ($Target | ||
+ | (Image "TARGET") | ||
+ | (Density -1) | ||
+ | ) | ||
+ | </nowiki></pre> |
Latest revision as of 21:07, 22 October 2021
A Free Hero Mesh puzzle set consists of four files; this article is about the .class file, which contains the program codes implementing the rules of the game.
This file is a plain text file, with a somewhat Lisp-like format, describing the classes of objects, their attributes, and the code to implement their behaviours; however, the code implementing behaviours is stack-based, like Forth or PostScript. It also includes a macro preprocessor.
The character encoding is normally the PC character encoding (CP437); however, it is possible to declare the use of other IBM PC code pages other than 437 as well (see MS-DOS encodings). The (CodePage)
block specifies the number of the code page to use; if it is omitted, then 437 is assumed by default.
[edit] Example
; Example sokoban code in Free Hero Mesh (public domain) ($Player (Image "PLAYER") Player Input (Strength 1) ('RIGHT E Move) ('UP N Move) ('LEFT W Move) ('DOWN S Move) (BEGIN_TURN $Box #TEST 0 0 BroadcastSum lnot if WinLevel then) ) ($Floor (Image "FLOOR") (Density 1) ) ($Box (Image "BOX") Shovable (Weight 1) (Height 1) (#TEST $Target Loc ObjClassAt lnot) ) ($Target (Image "TARGET") (Density -1) )