- char d;
- struct Monster * monster;
- uint16_t ty, tx;
- for (monster = world->monster; monster != 0; monster = monster->next) {
- d = rrand(0, 0) % 5;
- ty = monster->y;
- tx = monster->x;
- if (1 == d)
- ty++;
- else if (2 == d)
- ty--;
- else if (3 == d)
- tx++;
- else if (4 == d)
- tx--;
- if (tx == world->player->x && ty == world->player->y)
- update_log(world, "\nThe monster hits you.");
- else if (is_passable(world->map, ty, tx)) {
- monster->y = ty;
- monster->x = tx; } } }
-
-void update_log (struct World * world, char * text) {
-// Update log with new text to be appended.
- char * new_text;
- uint16_t len_old = strlen(world->log);
- uint16_t len_new = strlen(text);
- uint16_t len_whole = len_old + len_new + 1;
- new_text = calloc(len_whole, sizeof(char));
- memcpy(new_text, world->log, len_old);
- memcpy(new_text + len_old, text, len_new);
- free(world->log);
- world->log = new_text; }
-
-void move_player (struct World * world, char d) {
-// Move player in direction d, increment turn counter and update log.
- static char prev = 0;
- char success = 0;
- char * dir;
- uint16_t ty = world->player->y;
- uint16_t tx = world->player->x;
- if ('s' == d) {
- dir = "south";
- ty++; }
- if ('n' == d) {
- dir = "north";
- ty--; }
- if ('w' == d) {
- dir = "west";
- tx--; }
- if ('e' == d) {
- dir = "east";
- tx++; }