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Comparing deliantra/server/include/map.h (file contents):
Revision 1.38 by root, Wed Dec 27 09:28:01 2006 UTC vs.
Revision 1.123 by root, Sun Nov 29 09:41:28 2009 UTC

1/* 1/*
2 CrossFire, A Multiplayer game for X-windows 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 3 *
4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4 Copyright (C) 2002-2005 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002-2005,2007 Mark Wedel & Crossfire Development Team
5 Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
6 7 *
7 This program is free software; you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify it under
8 it under the terms of the GNU General Public License as published by 9 * the terms of the Affero GNU General Public License as published by the
9 the Free Software Foundation; either version 2 of the License, or 10 * Free Software Foundation, either version 3 of the License, or (at your
10 (at your option) any later version. 11 * option) any later version.
11 12 *
12 This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details. 16 * GNU General Public License for more details.
16 17 *
17 You should have received a copy of the GNU General Public License 18 * You should have received a copy of the Affero GNU General Public License
18 along with this program; if not, write to the Free Software 19 * and the GNU General Public License along with this program. If not, see
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * <http://www.gnu.org/licenses/>.
20 21 *
21 The authors can be reached via e-mail at crossfire@schmorp.de 22 * The authors can be reached via e-mail to <support@deliantra.net>
22*/ 23 */
23 24
24/* 25/*
25 * The maptile is allocated each time a new map is opened. 26 * The maptile is allocated each time a new map is opened.
26 * It contains pointers (very indirectly) to all objects on the map. 27 * It contains pointers (very indirectly) to all objects on the map.
27 */ 28 */
28 29
29#ifndef MAP_H 30#ifndef MAP_H
30#define MAP_H 31#define MAP_H
31 32
33#include <tr1/unordered_map>
34
35//+GPL
36
37#include "region.h"
32#include "cfperl.h" 38#include "cfperl.h"
33 39
34/* We set this size - this is to make magic map work properly on 40/* We set this size - this is to make magic map work properly on
35 * tiled maps. There is no requirement that this matches the 41 * tiled maps. There is no requirement that this matches the
36 * tiled maps size - it just seemed like a reasonable value. 42 * tiled maps size - it just seemed like a reasonable value.
44#define MAGIC_MAP_SIZE 50 50#define MAGIC_MAP_SIZE 50
45#define MAGIC_MAP_HALF MAGIC_MAP_SIZE/2 51#define MAGIC_MAP_HALF MAGIC_MAP_SIZE/2
46 52
47#define MAP_LAYERS 3 53#define MAP_LAYERS 3
48 54
49/* options passed to ready_map_name and load_original_map */ 55// tile map index
50#define MAP_FLUSH 0x01 56enum {
51#define MAP_PLAYER_UNIQUE 0x02 57 TILE_UP = 0,
52#define MAP_BLOCK 0x04 58 TILE_RIGHT = 1,
53#define MAP_STYLE 0x08 59 TILE_DOWN = 2,
54#define MAP_OVERLAY 0x10 60 TILE_LEFT = 3,
61};
55 62
56/* Values for in_memory below. Should probably be an enumerations */ 63/* Values for in_memory below */
57#define MAP_IN_MEMORY 1 64enum {
58#define MAP_SWAPPED 2 65 MAP_ACTIVE,
59#define MAP_LOADING 3 66 MAP_INACTIVE, // not used atm.
60#define MAP_SAVING 4 67 MAP_SWAPPED,
68 MAP_LOADING,
69 MAP_SAVING,
70};
61 71
62/* GET_MAP_FLAGS really shouldn't be used very often - get_map_flags should 72/* GET_MAP_FLAGS really shouldn't be used very often - get_map_flags should
63 * really be used, as it is multi tile aware. However, there are some cases 73 * really be used, as it is multi tile aware. However, there are some cases
64 * where it is known the map is not tiled or the values are known 74 * where it is known the map is not tiled or the values are known
65 * consistent (eg, op->map, op->x, op->y) 75 * consistent (eg, op->map, op->x, op->y)
66 */ 76 */
67// all those macros are herewith declared legacy 77// all those macros are herewith declared legacy
68#define GET_MAP_FLAGS(M,X,Y) (M)->at((X),(Y)).flags () 78#define GET_MAP_FLAGS(M,X,Y) (M)->at((X),(Y)).flags ()
69#define GET_MAP_LIGHT(M,X,Y) (M)->at((X),(Y)).light
70#define GET_MAP_OB(M,X,Y) (M)->at((X),(Y)).bot 79#define GET_MAP_OB(M,X,Y) (M)->at((X),(Y)).bot
71#define GET_MAP_TOP(M,X,Y) (M)->at((X),(Y)).top 80#define GET_MAP_TOP(M,X,Y) (M)->at((X),(Y)).top
72#define GET_MAP_FACE(M,X,Y,L) (M)->at((X),(Y)).faces[L]
73#define GET_MAP_FACE_OBJ(M,X,Y,L) (M)->at((X),(Y)).faces_obj[L] 81#define GET_MAP_FACE_OBJ(M,X,Y,L) (M)->at((X),(Y)).faces_obj[L]
74#define GET_MAP_MOVE_BLOCK(M,X,Y) (M)->at((X),(Y)).move_block 82#define GET_MAP_MOVE_BLOCK(M,X,Y) (M)->at((X),(Y)).move_block
75#define GET_MAP_MOVE_SLOW(M,X,Y) (M)->at((X),(Y)).move_slow 83#define GET_MAP_MOVE_SLOW(M,X,Y) (M)->at((X),(Y)).move_slow
76#define GET_MAP_MOVE_ON(M,X,Y) (M)->at((X),(Y)).move_on 84#define GET_MAP_MOVE_ON(M,X,Y) (M)->at((X),(Y)).move_on
77#define GET_MAP_MOVE_OFF(M,X,Y) (M)->at((X),(Y)).move_off 85#define GET_MAP_MOVE_OFF(M,X,Y) (M)->at((X),(Y)).move_off
78 86
79/* You should really know what you are doing before using this - you 87/* You should really know what you are doing before using this - you
80 * should almost always be using out_of_map instead, which takes into account 88 * should almost always be using out_of_map instead, which takes into account
81 * map tiling. 89 * map tiling.
82 */ 90 */
83#define OUT_OF_REAL_MAP(M,X,Y) ((X)<0 || (Y)<0 || (X)>=(M)->width || (Y)>=(M)->height) 91#define OUT_OF_REAL_MAP(M,X,Y) (!(IN_RANGE_EXC ((X), 0, (M)->width) && IN_RANGE_EXC ((Y), 0, (M)->height)))
84 92
85/* These are used in the MapLook flags element. They are not used in 93/* These are used in the MapLook flags element. They are not used in
86 * in the object flags structure. 94 * in the object flags structure.
87 */ 95 */
88#define P_BLOCKSVIEW 0x01 96#define P_BLOCKSVIEW 0x01
89#define P_NO_MAGIC 0x02 /* Spells (some) can't pass this object */ 97#define P_NO_MAGIC 0x02 /* Spells (some) can't pass this object */
90#define P_PLAYER 0x04 /* a player (or something seeing these objects) is on this mapspace */ 98#define P_NO_CLERIC 0x04 /* no clerical spells cast here */
91#define P_SAFE 0x08 /* If this is set the map tile is a safe space, 99#define P_SAFE 0x08 /* If this is set the map tile is a safe space,
92 * that means, nothing harmful can be done, 100 * that means, nothing harmful can be done,
93 * such as: bombs, potion usage, alchemy, spells 101 * such as: bombs, potion usage, alchemy, spells
94 * this was introduced to make shops safer 102 * this was introduced to make shops safer
95 * but is useful in other situations */ 103 * but is useful in other situations */
104
105#define P_PLAYER 0x10 /* a player (or something seeing these objects) is on this mapspace */
96#define P_IS_ALIVE 0x10 /* something alive is on this space */ 106#define P_IS_ALIVE 0x20 /* something alive is on this space */
97#define P_NO_CLERIC 0x20 /* no clerical spells cast here */
98
99#define P_NEED_UPDATE 0x80 /* this space is out of date */ 107#define P_UPTODATE 0x80 // this space is up to date
100 108
101/* The following two values are not stored in the MapLook flags, but instead 109/* The following two values are not stored in the MapLook flags, but instead
102 * used in the get_map_flags value - that function is used to return 110 * used in the get_map_flags value - that function is used to return
103 * the flag value, as well as other conditions - using a more general 111 * the flag value, as well as other conditions - using a more general
104 * function that does more of the work can hopefully be used to replace 112 * function that does more of the work can hopefully be used to replace
105 * lots of duplicate checks currently in the code. 113 * lots of duplicate checks currently in the code.
106 */ 114 */
107#define P_OUT_OF_MAP 0x10000 /* This space is outside the map */ 115#define P_OUT_OF_MAP 0x10000 /* This space is outside the map */
108#define P_NEW_MAP 0x20000 116#define P_NEW_MAP 0x20000 /* Coordinates passed result in a new tiled map */
109 /* Coordinates passed result in a new tiled map */
110
111/* P_NO_PASS is used for ob_blocked() return value. It needs
112 * to be here to make sure the bits don't match with anything.
113 */
114#define P_NO_PASS 0x80000
115 117
116/* Instead of having numerous arrays that have information on a 118/* Instead of having numerous arrays that have information on a
117 * particular space (was map, floor, floor2, map_ob), 119 * particular space (was map, floor, floor2, map_ob),
118 * have this structure take care of that information. 120 * have this structure take care of that information.
119 * This puts it all in one place, and should also make it easier 121 * This puts it all in one place, and should also make it easier
120 * to extend information about a space. 122 * to extend information about a space.
121 */ 123 */
124INTERFACE_CLASS (mapspace)
122struct mapspace 125struct mapspace
123{ 126{
127 object *ACC (RW, bot);
124 object *bot, *top; /* lowest/highest object on this space */ 128 object *ACC (RW, top); /* lowest/highest object on this space */
125 New_Face *faces[MAP_LAYERS]; /* faces for the 3 layers */
126 object *faces_obj[MAP_LAYERS];/* face objects for the 3 layers */ 129 object *ACC (RW, faces_obj[MAP_LAYERS]);/* face objects for the 3 layers */
127 uint8 flags_; /* flags about this space (see the P_ values above) */ 130 uint8 flags_; /* flags about this space (see the P_ values above) */
128 sint8 light; /* How much light this space provides */ 131 sint8 ACC (RW, light); /* How much light this space provides */
129 MoveType move_block; /* What movement types this space blocks */ 132 MoveType ACC (RW, move_block); /* What movement types this space blocks */
130 MoveType move_slow; /* What movement types this space slows */ 133 MoveType ACC (RW, move_slow); /* What movement types this space slows */
131 MoveType move_on; /* What movement types are activated */ 134 MoveType ACC (RW, move_on); /* What movement types are activated */
132 MoveType move_off; /* What movement types are activated */ 135 MoveType ACC (RW, move_off); /* What movement types are activated */
136 uint16_t ACC (RW, items_); // saturates at 64k
137 uint32_t ACC (RW, volume_); // ~dm³ (not cm³) (factor is actually 1024)
138 uint32_t ACC (RW, smell); // the last count a player was seen here, or 0
139 static uint32_t ACC (RW, smellcount); // global smell counter
140
141 uint32_t pad1_, pad2_; // pad to 64 bytes on 64 bit systems
142
143//-GPL
133 144
134 void update_ (); 145 void update_ ();
135 void update () 146 MTH void update ()
136 { 147 {
137 if (flags_ & P_NEED_UPDATE) 148 // we take advantage of the fact that 0x80 is the sign bit
149 // to generate more efficient code on many cpus
150 assert (sint8 (P_UPTODATE) < 0);
151 assert (sint8 (-1 & ~P_UPTODATE) >= 0);
152
153 if (expect_false (sint8 (flags_) >= 0))
138 update_ (); 154 update_ ();
139 }
140 155
156 // must be true by now (gcc seems content with only the second test)
157 assume (sint8 (flags_) < 0);
158 assume (flags_ & P_UPTODATE);
159 }
160
141 uint8 flags () 161 MTH uint8 flags ()
142 { 162 {
143 update (); 163 update ();
144 return flags_; 164 return flags_;
145 } 165 }
166
167 MTH void invalidate ()
168 {
169 flags_ = 0;
170 }
146 171
147 // maybe only inline quick flags_ checking?
148 object *player () 172 MTH object *player ()
149 { 173 {
150 // search from the top, because players are usually on top 174 object *op;
151 // make usually == always and this non-amortized O(1) 175
152 // could gte rid of P_PLAYER, too, then
153 if (flags () & P_PLAYER) 176 if (flags () & P_PLAYER)
154 for (object *op = top; op; op = op->below) 177 for (op = top; op->type != PLAYER; op = op->below)
155 if (op->type == PLAYER) 178 ;
156 return op; 179 else
180 op = 0;
157 181
158 return 0; 182 return op;
159 } 183 }
160};
161 184
162/* 185 MTH uint32 items()
163 * this is an overlay structure of the whole world. It exists as a simple 186 {
164 * high level map, which doesn't contain the full data of the underlying map. 187 update ();
165 * in this map, only things such as weather are recorded. By doing so, we 188 return items_;
166 * can keep the entire world parameters in memory, and act as a whole on 189 }
167 * them at once. We can then, in a separate loop, update the actual world
168 * with the new values we have assigned.
169 */
170 190
171struct weathermap_t 191 // return the item volume on this mapspace in cm³
172{ 192 MTH uint64 volume ()
173 sint16 temp; /* base temperature of this tile (F) */ 193 {
174 sint16 pressure; /* barometric pressure (mb) */ 194 update ();
175 sint8 humid; /* humitidy of this tile */ 195 return volume_ * 1024;
176 sint8 windspeed; /* windspeed of this tile */ 196 }
177 sint8 winddir; /* direction of wind */
178 sint8 sky; /* sky conditions */
179 sint32 avgelev; /* average elevation */
180 uint32 rainfall; /* cumulative rainfall */
181 uint8 darkness; /* indicates level of darkness of map */
182 uint8 water; /* 0-100 percentage of water tiles */
183 /*Dynamic parts */
184 sint16 realtemp; /* temperature at a given calculation step for this tile */
185};
186 197
187/* 198 bool blocks (MoveType mt) const
188 * Each map is in a given region of the game world and links to a region definiton, so 199 {
189 * they have to appear here in the headers, before the mapdef 200 return move_block && (mt & move_block) == mt;
190 */ 201 }
191struct region : zero_initialised 202
192{ 203 bool blocks (object *op) const
193 struct region *next; /* pointer to next region, NULL for the last one */ 204 {
194 const char *name; /* Shortend name of the region as maps refer to it */ 205 return blocks (op->move_type);
195 const char *parent_name; /* 206 }
196 * So that parent and child regions can be defined in
197 * any order, we keep hold of the parent_name during
198 * initialisation, and the children get assigned to their
199 * parents later. (before runtime on the server though)
200 * nothing outside the init code should ever use this value.
201 */
202 struct region *parent; /*
203 * Pointer to the region that is a parent of the current
204 * region, if a value isn't defined in the current region
205 * we traverse this series of pointers until it is.
206 */
207 const char *longname; /* Official title of the region, this might be defined
208 * to be the same as name*/
209 const char *msg; /* the description of the region */
210 uint32 counter; /* A generic counter for holding temporary data. */
211 sint8 fallback; /* whether, in the event of a region not existing,
212 * this should be the one we fall back on as the default */
213 char *jailmap; /*where a player that is arrested in this region should be imprisoned. */
214 sint16 jailx, jaily; /* The coodinates in jailmap to which the player should be sent. */
215}; 207};
208
209// a rectangular area of a map
210struct maprect
211{
212 maptile *m;
213 int x0, y0;
214 int x1, y1;
215 int dx, dy; // offset to go from local coordinates to original tile */
216};
217
218//+GPL
216 219
217struct shopitems : zero_initialised 220struct shopitems : zero_initialised
218{ 221{
219 const char *name; /* name of the item in question, null if it is the default item */ 222 const char *name; /* name of the item in question, null if it is the default item */
220 const char *name_pl; /* plural name */ 223 const char *name_pl; /* plural name */
221 int typenum; /* itemtype number we need to match 0 if it is the default price */ 224 int typenum; /* itemtype number we need to match 0 if it is the default price */
222 sint8 strength; /* the degree of specialisation the shop has in this item, 225 sint8 strength; /* the degree of specialisation the shop has in this item,
223 * as a percentage from -100 to 100 */ 226 * as a percentage from -100 to 100 */
224 int index; /* being the size of the shopitems array. */ 227 int index; /* being the size of the shopitems array. */
228};
229
230// map I/O, what to load/save
231enum {
232 IO_HEADER = 0x01, // the "arch map" pseudo object
233 IO_OBJECTS = 0x02, // the non-unique objects
234 IO_UNIQUES = 0x04, // unique objects
225}; 235};
226 236
227/* In general, code should always use the macros 237/* In general, code should always use the macros
228 * above (or functions in map.c) to access many of the 238 * above (or functions in map.c) to access many of the
229 * values in the map structure. Failure to do this will 239 * values in the map structure. Failure to do this will
233 * break map tiling. 243 * break map tiling.
234 */ 244 */
235INTERFACE_CLASS (maptile) 245INTERFACE_CLASS (maptile)
236struct maptile : zero_initialised, attachable 246struct maptile : zero_initialised, attachable
237{ 247{
238 sint32 ACC (RO, width), ACC (RO, height); /* Width and height of map. */ 248 sint32 ACC (RW, width), ACC (RW, height); /* Width and height of map. */
239 struct mapspace *spaces; /* Array of spaces on this map */ 249 struct mapspace *spaces; /* Array of spaces on this map */
250 uint8 *regions; /* region index per mapspace, if != 0 */
251 region_ptr *regionmap; /* index to region */
240 252
241 maptile *ACC (RW, next); /* Next map, linked list */ 253 tstamp ACC (RW, last_access); /* last time this map was accessed somehow */
242 char *ACC (RO, tmpname); /* Name of temporary file */ 254
243 char *ACC (RO, name); /* Name of map as given by its creator */ 255 shstr ACC (RW, name); /* Name of map as given by its creator */
244 struct region *ACC (RW, region); /* What jurisdiction in the game world this map is ruled by 256 region_ptr ACC (RW, default_region); /* What jurisdiction in the game world this map is ruled by
245 * points to the struct containing all the properties of 257 * points to the struct containing all the properties of
246 * the region */ 258 * the region */
247 uint32 ACC (RW, reset_time); /* when this map should reset */ 259 double ACC (RW, reset_time);
248 uint32 ACC (RW, reset_timeout); /* How many seconds must elapse before this map 260 uint32 ACC (RW, reset_timeout); /* How many seconds must elapse before this map
249 * should be reset 261 * should be reset
250 */ 262 */
263 bool ACC (RW, dirty); /* if true, something was inserted or removed */
264 bool ACC (RW, no_reset); // must not reset this map
251 bool ACC (RW, fixed_resettime); /* if true, reset time is not affected by 265 bool ACC (RW, fixed_resettime); /* if true, reset time is not affected by
252 * players entering/exiting map 266 * players entering/exiting map
253 */ 267 */
254 bool ACC (RW, unique); /* if set, this is a per player unique map */
255 bool ACC (RW, templatemap); /* if set, this is a template map */
256 bool ACC (RW, nosmooth); /* if set the content of this map has smoothlevel=0 forced */
257 sint32 ACC (RW, timeout); /* swapout is set to this */ 268 sint32 ACC (RW, timeout); /* swapout is set to this */
258 sint32 ACC (RW, swap_time); /* When it reaches 0, the map will be swapped out */ 269 sint32 ACC (RW, swap_time); /* When it reaches 0, the map will be swapped out */
259 uint32 ACC (RW, in_memory); /* If not true, the map has been freed and must 270 uint32 ACC (RW, in_memory); /* If not true, the map has been freed and must
260 * be loaded before used. The map,omap and map_ob 271 * be loaded before used. The map,omap and map_ob
261 * arrays will be allocated when the map is loaded */ 272 * arrays will be allocated when the map is loaded */
262 sint16 ACC (RW, players); /* How many players are on this level right now */ 273 sint16 players; /* How many players are on this map right now */
263 uint16 ACC (RW, difficulty); /* What level the player should be to play here */ 274 uint16 ACC (RW, difficulty); /* What level the player should be to play here */
264 275
276 bool ACC (RW, per_player);
277 bool ACC (RW, per_party);
278 bool ACC (RW, outdoor); /* True if an outdoor map */
279 bool ACC (RW, no_drop); /* avoid auto-dropping (on death) anything on this map */
265 uint8 ACC (RW, darkness); /* indicates level of darkness of map */ 280 sint8 ACC (RW, darkness); /* indicates level of darkness of map */
281 static sint8 outdoor_darkness; /* the global darkness level outside */
282
266 uint16 ACC (RW, enter_x); /* enter_x and enter_y are default entrance location */ 283 uint16 ACC (RW, enter_x); /* enter_x and enter_y are default entrance location */
267 uint16 ACC (RW, enter_y); /* on the map if none are set in the exit */ 284 uint16 ACC (RW, enter_y); /* on the map if none are set in the exit */
268 bool ACC (RW, outdoor); /* True if an outdoor map */
269 oblinkpt *buttons; /* Linked list of linked lists of buttons */ 285 oblinkpt *buttons; /* Linked list of linked lists of buttons */
270 sint16 ACC (RW, temp); /* base temperature of this tile (F) */
271 sint16 ACC (RW, pressure); /* barometric pressure (mb) */
272 sint8 ACC (RW, humid); /* humitidy of this tile */
273 sint8 ACC (RW, windspeed); /* windspeed of this tile */
274 sint8 ACC (RW, winddir); /* direction of wind */
275 sint8 ACC (RW, sky); /* sky conditions */
276 int ACC (RW, worldpartx), ACC (RW, worldparty); /*Highly fasten conversion between worldmap and weathermap */
277 struct shopitems *shopitems; /* a semi-colon seperated list of item-types the map's shop will trade in */ 286 struct shopitems *shopitems; /* a semi-colon seperated list of item-types the map's shop will trade in */
278 char *ACC (RO, shoprace); /* the preffered race of the local shopkeeper */ 287 shstr ACC (RW, shoprace); /* the preffered race of the local shopkeeper */
279 double ACC (RW, shopgreed); /* how much our shopkeeper overcharges */ 288 double ACC (RW, shopgreed); /* how much our shopkeeper overcharges */
280 sint64 ACC (RW, shopmin); /* minimum price a shop will trade for */ 289 sint64 ACC (RW, shopmin); /* minimum price a shop will trade for */
281 sint64 ACC (RW, shopmax); /* maximum price a shop will offer */ 290 sint64 ACC (RW, shopmax); /* maximum price a shop will offer */
282 char *ACC (RO, msg); /* Message map creator may have left */ 291 shstr ACC (RW, msg); /* Message map creator may have left */
283 char *ACC (RO, maplore); /* Map lore information */ 292 shstr ACC (RW, maplore); /* Map lore information */
284 char *tile_path[4]; /* path to adjoining maps */ 293 shstr ACC (RW, tile_path[4]); /* path to adjoining maps */
285 maptile *tile_map[4]; /* Next map, linked list */ 294 maptile *ACC (RW, tile_map[4]); /* Next map, linked list */
286 char ACC (RW, path)[HUGE_BUF]; /* Filename of the map */ 295 shstr ACC (RW, path); /* Filename of the map */
296 uint64 ACC (RW, max_volume); // maximum volume for all items on a mapspace
297 int ACC (RW, max_items); // maximum number of items on a mapspace
298
299//-GPL
300
301 // the maptile:: is neccessary here for the perl interface to work
302 MTH sint8 darklevel (sint8 outside = maptile::outdoor_darkness) const
303 {
304 return clamp (outdoor ? darkness + outside : darkness, 0, MAX_DARKNESS);
305 }
306
307 static void adjust_daylight ();
308
309 MTH void activate ();
310 MTH void deactivate ();
311
312 // allocates all (empty) mapspace
313 MTH void alloc ();
314 // deallocates the mapspaces (and destroys all objects)
315 MTH void clear ();
316
317 MTH void post_load (); // update cached values in mapspaces etc.
318 MTH void fix_auto_apply ();
319 MTH void do_decay_objects ();
320 MTH void update_buttons ();
321 MTH int change_map_light (int change);
322 MTH int estimate_difficulty () const;
323
324 MTH void play_sound (faceidx sound, int x, int y) const;
325 MTH void say_msg (const char *msg, int x, int y) const;
326
327 // connected links
328 oblinkpt *find_link (shstr_tmp id);
329 MTH void trigger (shstr_tmp id, int state = 1, object *activator = 0, object *originator = 0);
330
331 // set the given flag on all objects in the map
332 MTH void set_object_flag (int flag, int value = 1);
333 MTH void post_load_original ();
334
335 MTH void link_multipart_objects ();
336 MTH void clear_unique_items ();
337
338 MTH void clear_header ();
339 MTH void clear_links_to (maptile *m);
340
341 MTH struct region *region (int x, int y) const;
342
343 // load the header pseudo-object
344 bool _load_header (object_thawer &thawer);
345 MTH bool _load_header (object_thawer *thawer) { return _load_header (*thawer); }
346
347 // load objects into the map
348 bool _load_objects (object_thawer &thawer);
349 MTH bool _load_objects (object_thawer *thawer) { return _load_objects (*thawer); }
350
351 // save objects into the given file (uses IO_ flags)
352 bool _save_objects (object_freezer &freezer, int flags);
353 MTH bool _save_objects (const char *path, int flags);
354
355 // save the header pseudo object _only_
356 bool _save_header (object_freezer &freezer);
357 MTH bool _save_header (const char *path);
287 358
288 maptile (); 359 maptile ();
360 maptile (int w, int h);
289 ~maptile (); 361 ~maptile ();
362
290 void do_destroy (); 363 void do_destroy ();
291 void gather_callbacks (AV *&callbacks, event_type event) const; 364 void gather_callbacks (AV *&callbacks, event_type event) const;
292 365
293 MTH void allocate ();
294 MTH int size () const { return width * height; } 366 MTH int size () const { return width * height; }
295 367
296 MTH object *insert (object *op, int x, int y, object *originator = 0, int flags = 0); 368 MTH object *insert (object *op, int x, int y, object *originator = 0, int flags = 0);
297 369
370 MTH void touch () { last_access = runtime; }
371
372 MTH maptile *tile_available (int dir, bool load = true);
373
374 // find the map that is at coordinate x|y relative to this map
375 // TODO: need a better way than passing by reference
376 // TODO: make perl interface
377 maptile *xy_find (sint16 &x, sint16 &y);
378
379 // like xy_find, but also loads the map
380 maptile *xy_load (sint16 &x, sint16 &y);
381
382 void do_load_sync ();//PERL
383
384 // make sure the map is loaded
385 MTH void load_sync ()
386 {
387 if (!spaces)
388 do_load_sync ();
389 }
390
391 void make_map_floor (char **layout, char *floorstyle, random_map_params *RP);
392 bool generate_random_map (random_map_params *RP);
393
394 static maptile *find_async (const char *path, maptile *original = 0, bool load = true);//PERL
395 static maptile *find_sync (const char *path, maptile *original = 0);//PERL
396 static maptile *find_style_sync (const char *dir, const char *file = 0);//PERL
397 object *pick_random_object (rand_gen &gen = rndm) const;
398
298 mapspace const &at (uint32 x, uint32 y) const { return spaces [x * height + y]; } 399 mapspace &at (uint32 x, uint32 y) const { return spaces [x * height + y]; }
299 mapspace &at (uint32 x, uint32 y) { return spaces [x * height + y]; }
300};
301 400
302#define for_all_maps(var) for (maptile *var = first_map; var; var = var->next) 401 // return an array of maprects corresponding
402 // to the given rectangular area. the last rect will have
403 // a 0 map pointer.
404 // the array will be stored in a static memory area,
405 // so recursion is not atm. supported
406 maprect *split_to_tiles (int x0, int y0, int x1, int y1);
407};
408
409//+GPL
303 410
304/* This is used by get_rangevector to determine where the other 411/* This is used by get_rangevector to determine where the other
305 * creature is. get_rangevector takes into account map tiling, 412 * creature is. get_rangevector takes into account map tiling,
306 * so you just can not look the the map coordinates and get the 413 * so you just can not look the the map coordinates and get the
307 * righte value. distance_x/y are distance away, which 414 * righte value. distance_x/y are distance away, which
317 int distance_y; 424 int distance_y;
318 int direction; 425 int direction;
319 object *part; 426 object *part;
320}; 427};
321 428
429// comaptibility cruft start
430//TODO: these should be refactored into things like xy_normalise
431// and so on.
432int get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny);
433int out_of_map (maptile *m, int x, int y);
434maptile *get_map_from_coord (maptile *m, sint16 *x, sint16 *y);
435void get_rangevector (object *op1, object *op2, rv_vector *retval, int flags);
436void get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector *retval, int flags = 0 /*unused*/);
437int on_same_map (const object *op1, const object *op2);
438int adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy);
439
440// adjust map, x and y for tiled maps and return true if the position is valid at all
441static inline bool
442xy_normalise (maptile *&map, sint16 &x, sint16 &y)
443{
444 // when in range, do a quick return, otherwise go the slow route
445 return
446 (IN_RANGE_EXC (x, 0, map->width) && IN_RANGE_EXC (y, 0, map->height))
447 || !(get_map_flags (map, &map, x, y, &x, &y) & P_OUT_OF_MAP);
448}
449// comaptibility cruft end
450
451//-GPL
452
322inline mapspace & 453inline mapspace &
323object::ms () const 454object::ms () const
324{ 455{
325 return map->at (x, y); 456 return map->at (x, y);
326} 457}
327 458
459struct mapxy {
460 maptile *m;
461 sint16 x, y;
462
463 mapxy (maptile *m, sint16 x, sint16 y)
464 : m(m), x(x), y(y)
465 { }
466
467 mapxy (object *op)
468 : m(op->map), x(op->x), y(op->y)
469 { }
470
471 mapxy &move (int dx, int dy)
472 {
473 x += dx;
474 y += dy;
475
476 return *this;
477 }
478
479 mapxy &move (int dir)
480 {
481 return move (freearr_x [dir], freearr_y [dir]);
482 }
483
484 operator void *() const { return (void *)m; }
485 mapxy &operator =(const object *op)
486 {
487 m = op->map;
488 x = op->x;
489 y = op->y;
490
491 return *this;
492 }
493
494 mapspace *operator ->() const { return &m->at (x, y); }
495 mapspace &operator * () const { return m->at (x, y); }
496
497 bool normalise ()
498 {
499 return xy_normalise (m, x, y);
500 }
501
502 mapspace &ms () const
503 {
504 return m->at (x, y);
505 }
506
507 object *insert (object *op, object *originator = 0, int flags = 0) const
508 {
509 return m->insert (op, x, y, originator, flags);
510 }
511};
512
513inline const mapxy &
514object::operator =(const mapxy &pos)
515{
516 map = pos.m;
517 x = pos.x;
518 y = pos.y;
519
520 return pos;
521}
522
523// iterate over a rectangular area relative to op
524// can be used as a single statement, but both iterate macros
525// invocations must not be followed by a ";"
526// see common/los.C for usage example
527// the walk will be ordered, outer loop x, inner loop y
528// m will be set to the map (or 0), nx, ny to the map coord, dx, dy to the offset relative to op
529// "continue" will skip to the next space
530#define ordered_mapwalk_begin(op,dx0,dy0,dx1,dy1) \
531 for (int dx = (dx0); dx <= (dx1); ++dx) \
532 { \
533 sint16 nx, ny; \
534 maptile *m = 0; \
535 \
536 for (int dy = (dy0); dy <= (dy1); ++dy) \
537 { \
538 /* check to see if we can simply go one down quickly, */ \
539 /* if not, do it the slow way */ \
540 if (!m || ++ny >= m->height) \
541 { \
542 nx = (op)->x + dx; ny = (op)->y + dy; m = (op)->map; \
543 \
544 if (!xy_normalise (m, nx, ny)) \
545 m = 0; \
546 }
547
548#define ordered_mapwalk_end \
549 } \
550 }
551
552// loop over every space in the given maprect,
553// setting m, nx, ny to the map and -coordinate and dx, dy to the offset relative to dx0,dy0
554// the iterator code must be a single statement following this macro call, similar to "if"
555// "continue" will skip to the next space
556#define rect_mapwalk(rect,dx0,dy0) \
557 statementvar (maptile *, m, (rect)->m) \
558 for (int nx = (rect)->x0; nx < (rect)->x1; ++nx) \
559 for (int ny = (rect)->y0; ny < (rect)->y1; ++ny) \
560 statementvar (int, dx, nx + (rect)->dx - (dx0)) \
561 statementvar (int, dy, ny + (rect)->dy - (dy0))
562
563// same as ordered_mapwalk, but the walk will not follow any particular
564// order (unorded), but is likely faster.
565// m will be set to the map (never 0!), nx, ny to the map coord, dx, dy to the offset relative to op
566// "continue" will skip to the next space
567#define unordered_mapwalk_at(map,ox,oy,dx0,dy0,dx1,dy1) \
568 for (maprect *r_e_c_t = (map)->split_to_tiles ( \
569 (ox) + (dx0) , (oy) + (dy0) , \
570 (ox) + (dx1) + 1, (oy) + (dy1) + 1); \
571 r_e_c_t->m; \
572 ++r_e_c_t) \
573 rect_mapwalk (r_e_c_t, (ox), (oy))
574
575#define unordered_mapwalk(op,dx0,dy0,dx1,dy1) \
576 unordered_mapwalk_at (op->map, op->x, op->y, dx0, dy0, dx1, dy1)
577
328#endif 578#endif
329 579

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