4 #include <stdio.h> /* for rename() */
5 #include <unistd.h> /* for unlink(), acess() */
6 #include <stdlib.h> /* for calloc(), free() */
7 #include <string.h> /* for strlen(), strcmp(), memcpy() */
8 #include <stdint.h> /* for uint8_t */
9 #include "windows.h" /* for suspend_win(), append_win(), reset_pad_offset(),
10 * resize_active_win(), cycle_active_win(),
11 * shift_active_win(), struct Win, struct WinMeta
13 #include "keybindings.h" /* for get_action_key(), save_keybindings(),
14 * keyswin_move_selection(), keyswin_mod_key()
16 #include "readwrite.h" /* for [read/write]_uint[8/16/32][_bigendian]() */
17 #include "map_objects.h" /* for struct Monster, write_map_objects(), */
18 #include "map_object_actions.h" /* for is_passable(), move_monster() */
19 #include "map.h" /* for map_scroll(),map_center_player(), Map struct,dir enum */
20 #include "main.h" /* for World struct */
21 #include "yx_uint16.h" /* for yx_uint16 */
22 #include "rrand.h" /* for rrand(), rrand_seed() */
23 #include "rexit.h" /* for exit_err() */
26 extern void textfile_sizes(FILE * file, uint16_t * linemax_p,
39 if (c_count > linemax)
41 linemax = c_count + 1;
50 fseek(file, 0, SEEK_SET);
51 * linemax_p = linemax;
54 * n_lines_p = n_lines;
60 extern void update_log(struct World * world, char * text)
62 static char * last_msg;
65 last_msg = calloc(1, sizeof(char));
68 uint16_t len_old = strlen(world->log);
69 if (0 == strcmp(last_msg, text))
71 uint16_t len_whole = len_old + 1;
72 new_text = calloc(len_whole + 1, sizeof(char));
73 memcpy(new_text, world->log, len_old);
74 memcpy(new_text + len_old, ".", 1);
78 uint16_t len_new = strlen(text);
79 uint16_t len_whole = len_old + len_new + 1;
80 new_text = calloc(len_whole, sizeof(char));
81 memcpy(new_text, world->log, len_old);
82 memcpy(new_text + len_old, text, len_new);
83 last_msg = calloc(len_new + 1, sizeof(char));
84 memcpy(last_msg, text, len_new);
87 world->log = new_text;
92 extern uint16_t center_offset(uint16_t pos, uint16_t mapsize,
96 if (mapsize > framesize)
98 if (pos > framesize / 2)
100 if (pos < mapsize - (framesize / 2))
102 offset = pos - (framesize / 2);
106 offset = mapsize - framesize;
115 extern void turn_over(struct World * world, char action)
117 if (1 == world->interactive)
119 FILE * file = fopen("record", "a");
120 exit_err(write_uint8(action, file), world, "Record writing failure.");
124 rrand_seed(world->seed * world->turn);
125 struct Monster * monster;
126 for (monster = world->monster;
128 monster = monster->map_obj.next)
130 move_monster(world, monster);
136 extern void save_game(struct World * world)
138 char * savefile_tmp = "savefile_tmp";
139 char * savefile = "savefile";
140 FILE * file = fopen(savefile_tmp, "w");
141 exit_err(0 == file, world, "Error saving game: "
142 "Unable to open new savefile for writing.");
143 if ( write_uint32_bigendian(world->seed, file)
144 || write_uint32_bigendian(world->turn, file)
145 || write_uint16_bigendian(world->player->pos.y + 1, file)
146 || write_uint16_bigendian(world->player->pos.x + 1, file)
147 || write_uint8(world->player->hitpoints, file)
148 || write_map_objects(world, world->monster, file)
149 || write_map_objects(world, world->item, file))
151 exit_err(1, world, "Error saving game: "
152 "Trouble writing to opened new savefile.");
154 exit_err(fclose(file), world, "Error saving game: "
155 "Unable to close opened new savefile.");
156 if (!access(savefile, F_OK))
158 exit_err(unlink(savefile), world, "Error saving game: "
159 "Unable to unlink old savefile.");
161 exit_err(rename(savefile_tmp, "savefile"), world, "Error saving game: "
162 "Unable to rename 'savefile_tmp' to 'savefile'.");
167 extern void toggle_window(struct WinMeta * win_meta, struct Win * win)
169 if (0 != win->frame.curses_win)
171 suspend_win(win_meta, win);
175 append_win(win_meta, win);
181 extern void scroll_pad(struct WinMeta * win_meta, char dir)
185 reset_pad_offset(win_meta, win_meta->pad_offset + 1);
189 reset_pad_offset(win_meta, win_meta->pad_offset - 1);
195 extern void growshrink_active_window(struct WinMeta * win_meta, char change)
197 if (0 != win_meta->active)
199 struct yx_uint16 size = win_meta->active->frame.size;
204 else if (change == '+')
208 else if (change == '_')
212 else if (change == '*')
216 resize_active_win (win_meta, size);
222 extern struct yx_uint16 find_passable_pos(struct Map * map)
224 struct yx_uint16 pos;
225 for (pos.y = pos.x = 0; 0 == is_passable(map, pos);)
227 pos.y = rrand() % map->size.y;
228 pos.x = rrand() % map->size.x;
235 extern uint8_t meta_keys(int key, struct World * world,
236 struct WinMeta * win_meta, struct Win * win_keys,
237 struct Win * win_map, struct Win * win_info,
238 struct Win * win_log)
240 if (key == get_action_key(world->keybindings, "quit"))
244 else if (key == get_action_key(world->keybindings, "scroll pad right"))
246 scroll_pad (win_meta, '+');
248 else if (key == get_action_key(world->keybindings, "scroll pad left"))
250 scroll_pad (win_meta, '-');
252 else if (key == get_action_key(world->keybindings, "toggle keys window"))
254 toggle_window(win_meta, win_keys);
256 else if (key == get_action_key(world->keybindings, "toggle map window"))
258 toggle_window(win_meta, win_map);
260 else if (key == get_action_key(world->keybindings, "toggle info window"))
262 toggle_window(win_meta, win_info);
264 else if (key == get_action_key(world->keybindings, "toggle log window"))
266 toggle_window(win_meta, win_log);
268 else if (key == get_action_key(world->keybindings, "cycle forwards"))
270 cycle_active_win(win_meta, 'n');
272 else if (key == get_action_key(world->keybindings, "cycle backwards"))
274 cycle_active_win(win_meta, 'p');
276 else if (key == get_action_key(world->keybindings, "shift forwards"))
278 shift_active_win(win_meta, 'f');
280 else if (key == get_action_key(world->keybindings, "shift backwards"))
282 shift_active_win(win_meta, 'b');
284 else if (key == get_action_key(world->keybindings, "grow horizontally"))
286 growshrink_active_window(win_meta, '*');
288 else if (key == get_action_key(world->keybindings, "shrink horizontally"))
290 growshrink_active_window(win_meta, '_');
292 else if (key == get_action_key(world->keybindings, "grow vertically"))
294 growshrink_active_window(win_meta, '+');
296 else if (key == get_action_key(world->keybindings, "shrink vertically"))
298 growshrink_active_window(win_meta, '-');
300 else if (key == get_action_key(world->keybindings, "save keys"))
302 save_keybindings(world);
304 else if (key == get_action_key(world->keybindings, "keys nav up"))
306 keyswin_move_selection (world, 'u');
308 else if (key == get_action_key(world->keybindings, "keys nav down"))
310 keyswin_move_selection (world, 'd');
312 else if (key == get_action_key(world->keybindings, "keys mod"))
314 keyswin_mod_key (world, win_meta);
316 else if (key == get_action_key(world->keybindings, "map up"))
318 map_scroll (world->map, NORTH, win_map->frame.size);
320 else if (key == get_action_key(world->keybindings, "map down"))
322 map_scroll (world->map, SOUTH, win_map->frame.size);
324 else if (key == get_action_key(world->keybindings, "map right"))
326 map_scroll (world->map, EAST, win_map->frame.size);
328 else if (key == get_action_key(world->keybindings, "map left"))
330 map_scroll (world->map, WEST, win_map->frame.size);
332 else if (key == get_action_key(world->keybindings, "map center player"))
334 map_center_player (world->map, world->player, win_map->frame.size);