X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;ds=sidebyside;f=src%2Fmisc.h;h=80bb1cd1bfa4057612726ac165a1fc92f07e8095;hb=60a77cb1894c678fff62840dc6b24931d839f820;hp=c7b88557285caa9e636ede24406ab262989a4403;hpb=0e6c855b67e0cd3def7196396f3d1f45ff85b692;p=plomrogue diff --git a/src/misc.h b/src/misc.h index c7b8855..80bb1cd 100644 --- a/src/misc.h +++ b/src/misc.h @@ -7,47 +7,55 @@ #ifndef MISC_H #define MISC_H - - +#include /* for size_t */ #include /* for uint16_t */ #include "yx_uint16.h" /* for yx_uint16 coordinates */ -struct World; struct Map; -/* Update game log by appending "text", or by appending a "." if "text" is the - * same as the last one passed. +/* 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 void update_log(struct World * world, char * text); +extern uint16_t rrand(); +/* Wrappers to malloc(), calloc() from function "f"; exit_trouble() on error. */ +extern void * try_malloc(size_t size, char * f); +extern void * try_calloc(size_t nmemb, size_t size, char * f); +/* If one and only one of files at "p1", "p2" exists, fail with explanation. */ +extern void check_files_xor(char * p1, char * p2); -/* Return the offset necessary to center "map" on position "pos" in a frame of - * "framesize. - */ -extern uint16_t center_offset(uint16_t pos, uint16_t mapsize, - uint16_t framesize); +/* Check if tempfile "path" exists, and if so, exit with explanation that. */ +extern void check_tempfile(char * path); +/* 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(); +/* Append "text" to game log, or a "." if "text" is the same as the last one. */ +extern void update_log(char * text); -/* 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); - +/* Return offset nto center map of "mapsize" on "position" in "framesize". */ +extern uint16_t center_offset(uint16_t position, + uint16_t mapsize, uint16_t framesize); +/* Record "action" in record file, do all movements until player's next turn. */ +extern void turn_over(char action); -/* Save current game data to file "savefile". */ -extern void save_game(struct World * world); +/* 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(). - */ +/* Return random passable (as by is_passable()) position on "map". */ extern struct yx_uint16 find_passable_pos(struct Map * map); +/* Move world.inventory_sel up ("dir"="u") or down (else) as far as possible. */ +extern void nav_inventory(char dir); + #endif