X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=src%2Fmisc.h;h=24f36b5ad6ae5d3ab15d089fe2953f428ff6dc01;hb=fdb7a8eb2bc58d180d53f4085085a62bc1f2e62b;hp=568c56d432c5d9d572fb37c4f22f2025a86ac825;hpb=0568c1c0f6735509f2a1afea31ecb5dc28f26bf4;p=plomrogue diff --git a/src/misc.h b/src/misc.h index 568c56d..24f36b5 100644 --- a/src/misc.h +++ b/src/misc.h @@ -7,60 +7,67 @@ #ifndef MISC_H #define MISC_H - - -#include /* for uint8_t, uint16_t */ -#include /* for FILE typedef */ +#include /* for size_t */ +#include /* for uint16_t */ #include "yx_uint16.h" /* for yx_uint16 coordinates */ -struct World; struct Map; -/* Learn from "file" the largest line length (pointed to by "linemax_p"; length - * includes newline chars) and (pointed to by "n_lines_p" if it is not set to - * NULL) the number of lines (= number of newline chars). - * - * Returns 0 on success, 1 on error of fseek() (called to return to initial file - * reading position). +/* Return 16-bit number pseudo-randomly generated via Linear Congruential + * Generator algorithm with some proven constants. Use instead of rand() to + * ensure portability of the same pseudo-randomness across systems. + */ +extern uint16_t rrand(); + +/* Wrappers to malloc(), calloc() from function called "f" calling exit_err() + * with trouble_msg() error message if necessary. */ -extern uint8_t textfile_sizes(FILE * file, uint16_t * linemax_p, - uint16_t * n_lines_p); +extern void * try_malloc(size_t size, char * f); +extern void * try_calloc(size_t nmemb, size_t size, char * f); + +/* Check if tempfile "path" exists, and if so, exit with explanation that. */ +extern void check_tempfile(char * path); +/* If one and only one of files at "p1", "p2" exists, fail with explanation. */ +extern void check_files_xor(char * p1, char * p2); +/* Save / load / unload (free) / reload interface configuration data. */ +extern void save_interface_conf(); +extern void load_interface_conf(); +extern void unload_interface_conf(); +extern void reload_interface_conf(); /* Update game log by appending "text", or by appending a "." if "text" is the * same as the last one passed. */ -extern void update_log(struct World * world, char * text); - - +extern void update_log(char * text); -/* Return the offset necessary to center "map" on position "pos" in a frame of - * "framesize. +/* Return the offset necessary to center a map of "mapsize" on position "pos" in + * a frame of "framesize. */ -extern uint16_t center_offset(uint16_t pos, uint16_t mapsize, - uint16_t framesize); - - +extern uint16_t center_offset(uint16_t pos, + uint16_t mapsize, uint16_t framesize); /* Record last player "action" in game record file "record, increment the game * turn and trigger enemy movement. */ -extern void turn_over(struct World * world, char action); - - - -/* Save current game data to file "savefile". */ -extern void save_game(struct World * world); - +extern void turn_over(char action); +/* Save or load current game data to / from file "savefile". */ +extern void save_game(); +extern void load_game(); /* Return a random position on the map "map" that is passable (as determined by * is_passable(). */ extern struct yx_uint16 find_passable_pos(struct Map * map); +/* Navigate (as far as possible) up (dir=='u') or (else) down in player's + * inventory selection. + */ +extern void nav_inventory(char dir); + #endif