4 #include <stdlib.h> /* for calloc(), free() */
5 #include <string.h> /* for strlen(), strcmp(), memcpy() */
6 #include <stdint.h> /* for uint8_t */
7 #include "windows.h" /* for suspend_win(), append_win(), reset_pad_offset(),
8 * resize_active_win(), cycle_active_win(),
9 * shift_active_win(), struct Win, struct WinMeta
11 #include "keybindings.h" /* for get_action_key(), save_keybindings(),
12 * keyswin_move_selection(), keyswin_mod_key()
14 #include "readwrite.h" /* for [read/write]_uint[8/16/32][_bigendian]() */
15 #include "map_objects.h" /* for struct Monster, write_map_objects(), */
16 #include "map_object_actions.h" /* for is_passable(), move_monster() */
17 #include "map.h" /* for map_scroll(),map_center_player(), Map struct,dir enum */
18 #include "main.h" /* for World struct */
19 #include "yx_uint16.h" /* for yx_uint16 */
20 #include "rrand.h" /* for rrand(), rrand_seed() */
21 #include "rexit.h" /* for exit_err() */
24 extern void textfile_sizes(FILE * file, uint16_t * linemax_p,
37 if (c_count > linemax)
39 linemax = c_count + 1;
48 fseek(file, 0, SEEK_SET);
49 * linemax_p = linemax;
52 * n_lines_p = n_lines;
58 extern void update_log(struct World * world, char * text)
60 static char * last_msg;
63 last_msg = calloc(1, sizeof(char));
66 uint16_t len_old = strlen(world->log);
67 if (0 == strcmp(last_msg, text))
69 uint16_t len_whole = len_old + 1;
70 new_text = calloc(len_whole + 1, sizeof(char));
71 memcpy(new_text, world->log, len_old);
72 memcpy(new_text + len_old, ".", 1);
76 uint16_t len_new = strlen(text);
77 uint16_t len_whole = len_old + len_new + 1;
78 new_text = calloc(len_whole, sizeof(char));
79 memcpy(new_text, world->log, len_old);
80 memcpy(new_text + len_old, text, len_new);
81 last_msg = calloc(len_new + 1, sizeof(char));
82 memcpy(last_msg, text, len_new);
85 world->log = new_text;
90 extern uint16_t center_offset(uint16_t pos, uint16_t mapsize,
94 if (mapsize > framesize)
96 if (pos > framesize / 2)
98 if (pos < mapsize - (framesize / 2))
100 offset = pos - (framesize / 2);
104 offset = mapsize - framesize;
113 extern void turn_over(struct World * world, char action)
115 if (1 == world->interactive)
117 FILE * file = fopen("record", "a");
118 exit_err(write_uint8(action, file), world, "Record writing failure.");
122 rrand_seed(world->seed * world->turn);
123 struct Monster * monster;
124 for (monster = world->monster;
126 monster = monster->map_obj.next)
128 move_monster(world, monster);
134 extern void save_game(struct World * world)
136 FILE * file = fopen("savefile", "w");
137 exit_err(0 == file, world,
138 "Error saving game: Unable to open savefile for writing.");
139 if ( write_uint32_bigendian(world->seed, file)
140 || write_uint32_bigendian(world->turn, file)
141 || write_uint16_bigendian(world->player->pos.y + 1, file)
142 || write_uint16_bigendian(world->player->pos.x + 1, file)
143 || write_uint8(world->player->hitpoints, file)
144 || write_map_objects(world, world->monster, file)
145 || write_map_objects(world, world->item, file))
148 "Error saving game: Trouble writing to opened savefile.");
150 exit_err(fclose(file), world,
151 "Error saving game: Unable to close opened savefile.");
156 extern void toggle_window(struct WinMeta * win_meta, struct Win * win)
158 if (0 != win->frame.curses_win)
160 suspend_win(win_meta, win);
164 append_win(win_meta, win);
170 extern void scroll_pad(struct WinMeta * win_meta, char dir)
174 reset_pad_offset(win_meta, win_meta->pad_offset + 1);
178 reset_pad_offset(win_meta, win_meta->pad_offset - 1);
184 extern void growshrink_active_window(struct WinMeta * win_meta, char change)
186 if (0 != win_meta->active)
188 struct yx_uint16 size = win_meta->active->frame.size;
193 else if (change == '+')
197 else if (change == '_')
201 else if (change == '*')
205 resize_active_win (win_meta, size);
211 extern struct yx_uint16 find_passable_pos(struct Map * map)
213 struct yx_uint16 pos;
214 for (pos.y = pos.x = 0; 0 == is_passable(map, pos);)
216 pos.y = rrand() % map->size.y;
217 pos.x = rrand() % map->size.x;
224 extern uint8_t meta_keys(int key, struct World * world,
225 struct WinMeta * win_meta, struct Win * win_keys,
226 struct Win * win_map, struct Win * win_info,
227 struct Win * win_log)
229 if (key == get_action_key(world->keybindings, "quit"))
233 else if (key == get_action_key(world->keybindings, "scroll pad right"))
235 scroll_pad (win_meta, '+');
237 else if (key == get_action_key(world->keybindings, "scroll pad left"))
239 scroll_pad (win_meta, '-');
241 else if (key == get_action_key(world->keybindings, "toggle keys window"))
243 toggle_window(win_meta, win_keys);
245 else if (key == get_action_key(world->keybindings, "toggle map window"))
247 toggle_window(win_meta, win_map);
249 else if (key == get_action_key(world->keybindings, "toggle info window"))
251 toggle_window(win_meta, win_info);
253 else if (key == get_action_key(world->keybindings, "toggle log window"))
255 toggle_window(win_meta, win_log);
257 else if (key == get_action_key(world->keybindings, "cycle forwards"))
259 cycle_active_win(win_meta, 'n');
261 else if (key == get_action_key(world->keybindings, "cycle backwards"))
263 cycle_active_win(win_meta, 'p');
265 else if (key == get_action_key(world->keybindings, "shift forwards"))
267 shift_active_win(win_meta, 'f');
269 else if (key == get_action_key(world->keybindings, "shift backwards"))
271 shift_active_win(win_meta, 'b');
273 else if (key == get_action_key(world->keybindings, "grow horizontally"))
275 growshrink_active_window(win_meta, '*');
277 else if (key == get_action_key(world->keybindings, "shrink horizontally"))
279 growshrink_active_window(win_meta, '_');
281 else if (key == get_action_key(world->keybindings, "grow vertically"))
283 growshrink_active_window(win_meta, '+');
285 else if (key == get_action_key(world->keybindings, "shrink vertically"))
287 growshrink_active_window(win_meta, '-');
289 else if (key == get_action_key(world->keybindings, "save keys"))
291 save_keybindings(world);
293 else if (key == get_action_key(world->keybindings, "keys nav up"))
295 keyswin_move_selection (world, 'u');
297 else if (key == get_action_key(world->keybindings, "keys nav down"))
299 keyswin_move_selection (world, 'd');
301 else if (key == get_action_key(world->keybindings, "keys mod"))
303 keyswin_mod_key (world, win_meta);
305 else if (key == get_action_key(world->keybindings, "map up"))
307 map_scroll (world->map, NORTH, win_map->frame.size);
309 else if (key == get_action_key(world->keybindings, "map down"))
311 map_scroll (world->map, SOUTH, win_map->frame.size);
313 else if (key == get_action_key(world->keybindings, "map right"))
315 map_scroll (world->map, EAST, win_map->frame.size);
317 else if (key == get_action_key(world->keybindings, "map left"))
319 map_scroll (world->map, WEST, win_map->frame.size);
321 else if (key == get_action_key(world->keybindings, "map center player"))
323 map_center_player (world->map, world->player, win_map->frame.size);