/* misc.c */
#include "misc.h"
-#include <stdlib.h> /* for exit(), EXIT_SUCCESS define, calloc(), free() */
+#include <stdlib.h> /* for calloc(), free() */
#include <string.h> /* for strlen(), strcmp(), memcpy() */
-#include <ncurses.h> /* for endwin() */
#include "windows.h" /* for suspend_win(), append_win(), reset_pad_offset(),
* resize_active_win(), cycle_active_win(),
* shift_active_win(), struct Win, struct WinMeta
#include "keybindings.h" /* for get_action_key(), save_keybindings(),
* keyswin_move_selection(), keyswin_mod_key()
*/
-#include "readwrite.h" /* for write_uint16_bigendian(), write_uint32_bigendian()
- */
-#include "map_objects.h" /* for struct Monster, write_map_objects(),
- * write_map_objects_monsterdata()
- */
+#include "readwrite.h" /* for [read/write]_uint[8/16/32][_bigendian]() */
+#include "map_objects.h" /* for struct Monster, write_map_objects(), */
#include "map_object_actions.h" /* for is_passable(), move_monster() */
#include "map.h" /* for map_scroll(),map_center_player(), Map struct,dir enum */
#include "main.h" /* for World struct */
#include "yx_uint16.h" /* for yx_uint16 */
-
-
-
-extern void exit_game(struct World * world, struct Map * map)
-{
- endwin();
- free(map->cells);
- uint16_t key;
- for (key = 0; key <= world->keyswindata->max; key++)
- {
- free(world->keybindings[key].name);
- }
- free(world->keybindings);
- free(world->keyswindata);
- free(world->log);
- exit (EXIT_SUCCESS);
-}
-
+#include "rrand.h" /* for rrand(), rrand_seed() */
+#include "rexit.h" /* for exit_err() */
extern void textfile_sizes(FILE * file, uint16_t * linemax_p,
-extern uint16_t rrand(char use_seed, uint32_t new_seed)
-{
- static uint32_t seed;
- if (0 != use_seed)
- {
- seed = new_seed;
- }
-
- /* Constants as recommended by POSIX.1-2001 (see man page rand(3)). */
- seed = ((seed * 1103515245) + 12345) % 2147483648;
-
- return (seed / 65536); /* TODO: Use bit-shifting for ignoring the less */
-} /* random least significant 16 bits. */
-
-
-
extern void update_log(struct World * world, char * text)
{
static char * last_msg;
if (1 == world->interactive)
{
FILE * file = fopen("record", "a");
- fputc(action, file);
+ exit_err(write_uint8(action, file), world, "Record writing failure.");
fclose(file);
}
world->turn++;
- rrand(1, world->seed * world->turn);
+ rrand_seed(world->seed * world->turn);
struct Monster * monster;
for (monster = world->monster;
monster != 0;
extern void save_game(struct World * world)
{
+ uint8_t fail;
FILE * file = fopen("savefile", "w");
- write_uint32_bigendian(world->seed, file);
- write_uint32_bigendian(world->turn, file);
- write_uint16_bigendian(world->player->pos.y + 1, file);
- write_uint16_bigendian(world->player->pos.x + 1, file);
- fputc(world->player->hitpoints, file);
- write_map_objects (world->monster, file, write_map_objects_monsterdata);
- write_map_objects (world->item, file, NULL);
+ fail = write_uint32_bigendian(world->seed, file);
+ fail = fail | write_uint32_bigendian(world->turn, file);
+ fail = fail | write_uint16_bigendian(world->player->pos.y + 1, file);
+ fail = fail | write_uint16_bigendian(world->player->pos.x + 1, file);
+ fail = fail | write_uint8(world->player->hitpoints, file);
+ fail = fail | write_map_objects(world, world->monster, file);
+ fail = fail | write_map_objects(world, world->item, file);
+ exit_err(fail, world, "Error saving game.");
fclose(file);
}
struct yx_uint16 pos;
for (pos.y = pos.x = 0; 0 == is_passable(map, pos);)
{
- pos.y = rrand(0, 0) % map->size.y;
- pos.x = rrand(0, 0) % map->size.x;
+ pos.y = rrand() % map->size.y;
+ pos.x = rrand() % map->size.x;
}
return pos;
}