server/include/map.h

/*
    CrossFire, A Multiplayer game for X-windows

    Copyright (C) 2002-2005 Mark Wedel & Crossfire Development Team
    Copyright (C) 1992 Frank Tore Johansen

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

    The authors can be reached via e-mail at crossfire@schmorp.de
*/

/*
 * The maptile is allocated each time a new map is opened.
 * It contains pointers (very indirectly) to all objects on the map.
 */

#ifndef MAP_H
#define MAP_H

#include "cfperl.h"

/* We set this size - this is to make magic map work properly on
 * tiled maps.  There is no requirement that this matches the
 * tiled maps size - it just seemed like a reasonable value.
 * Magic map code now always starts out putting the player in the
 * center of the map - this makes the most sense when dealing
 * with tiled maps.
 * We also figure out the magicmap color to use as we process the
 * spaces - this is more efficient as we already have up to date
 * map pointers.
 */
#define MAGIC_MAP_SIZE  50
#define MAGIC_MAP_HALF  MAGIC_MAP_SIZE/2

#define MAP_LAYERS              3

/* This is when the map will reset */
#define MAP_WHEN_RESET(m)       ((m)->reset_time)

#define MAP_RESET_TIMEOUT(m)    ((m)->reset_timeout)
#define MAP_DIFFICULTY(m)       ((m)->difficulty)
#define MAP_TIMEOUT(m)          ((m)->timeout)
#define MAP_SWAP_TIME(m)        ((m)->swap_time)
#define MAP_OUTDOORS(m)         ((m)->outdoor)

/* mape darkness used to enforce the MAX_DARKNESS value.
 * but IMO, if it is beyond max value, that should be fixed
 * on the map or in the code.
 */
#define MAP_DARKNESS(m)         (m)->darkness

#define MAP_WIDTH(m)            (m)->width
#define MAP_HEIGHT(m)           (m)->height

/* Convenient function - total number of spaces is used
 * in many places.
 */
#define MAP_SIZE(m)             ((m)->width * (m)->height)

#define MAP_ENTER_X(m)          (m)->enter_x
#define MAP_ENTER_Y(m)          (m)->enter_y

#define MAP_TEMP(m)             (m)->temp
#define MAP_PRESSURE(m)         (m)->pressure
#define MAP_HUMID(m)            (m)->humid
#define MAP_WINDSPEED(m)        (m)->windspeed
#define MAP_WINDDIRECTION(m)    (m)->winddir
#define MAP_SKYCOND(m)          (m)->sky
#define MAP_WORLDPARTX(m)       (m)->wpartx
#define MAP_WORLDPARTY(m)       (m)->wparty
#define MAP_NOSMOOTH(m)         (m)->nosmooth

/* options passed to ready_map_name and load_original_map */
#define MAP_FLUSH           0x1
#define MAP_PLAYER_UNIQUE   0x2
#define MAP_BLOCK           0x4
#define MAP_STYLE           0x8
#define MAP_OVERLAY         0x10

/* Values for in_memory below.  Should probably be an enumerations */
#define MAP_IN_MEMORY 1
#define MAP_SWAPPED 2
#define MAP_LOADING 3
#define MAP_SAVING 4

/* GET_MAP_FLAGS really shouldn't be used very often - get_map_flags should
 * really be used, as it is multi tile aware.  However, there are some cases
 * where it is known the map is not tiled or the values are known
 * consistent (eg, op->map, op->x, op->y)
 */
// all those macros are herewith declared legacy
#define GET_MAP_FLAGS(M,X,Y)         (M)->at((X),(Y)).flags ()
#define GET_MAP_LIGHT(M,X,Y)         (M)->at((X),(Y)).light
#define GET_MAP_OB(M,X,Y)            (M)->at((X),(Y)).bottom
#define GET_MAP_TOP(M,X,Y)           (M)->at((X),(Y)).top
#define GET_MAP_FACE(M,X,Y,L)        (M)->at((X),(Y)).faces[L]
#define GET_MAP_FACE_OBJ(M,X,Y,L)    (M)->at((X),(Y)).faces_obj[L]
#define GET_MAP_MOVE_BLOCK(M,X,Y)    (M)->at((X),(Y)).move_block
#define GET_MAP_MOVE_SLOW(M,X,Y)     (M)->at((X),(Y)).move_slow
#define GET_MAP_MOVE_ON(M,X,Y)       (M)->at((X),(Y)).move_on
#define GET_MAP_MOVE_OFF(M,X,Y)      (M)->at((X),(Y)).move_off

/* You should really know what you are doing before using this - you
 * should almost always be using out_of_map instead, which takes into account
 * map tiling.
 */
#define OUT_OF_REAL_MAP(M,X,Y) ((X)<0 || (Y)<0 || (X)>=(M)->width || (Y)>=(M)->height)

/* These are used in the MapLook flags element.  They are not used in
 * in the object flags structure.
 */
#define P_BLOCKSVIEW    0x01
#define P_NO_MAGIC      0x02   /* Spells (some) can't pass this object */
#define P_PLAYER        0x04   /* a player (or something seeing these objects) is on this mapspace */
#define P_SAFE          0x08   /* If this is set the map tile is a safe space,
                                * that means, nothing harmful can be done,
                                * such as: bombs, potion usage, alchemy, spells
                                * this was introduced to make shops safer
                                * but is useful in other situations */
#define P_IS_ALIVE      0x10   /* something alive is on this space */
#define P_NO_CLERIC     0x20   /* no clerical spells cast here */

#define P_NEED_UPDATE   0x80   /* this space is out of date */

/* The following two values are not stored in the MapLook flags, but instead
 * used in the get_map_flags value - that function is used to return
 * the flag value, as well as other conditions - using a more general
 * function that does more of the work can hopefully be used to replace
 * lots of duplicate checks currently in the code.
 */
#define P_OUT_OF_MAP    0x10000   /* This space is outside the map */
#define P_NEW_MAP       0x20000
                                /* Coordinates passed result in a new tiled map  */

/* P_NO_PASS is used for ob_blocked() return value.  It needs
 * to be here to make sure the bits don't match with anything.
 */
#define P_NO_PASS       0x80000

/* Instead of having numerous arrays that have information on a
 * particular space (was map, floor, floor2, map_ob),
 * have this structure take care of that information.
 * This puts it all in one place, and should also make it easier
 * to extend information about a space.
 */
struct mapspace
{
  object *bottom;               /* lowest object on this space */
  object *top;                  /* Highest object on this space */
  New_Face *faces[MAP_LAYERS];  /* faces for the 3 layers */
  object *faces_obj[MAP_LAYERS];/* face objects for the 3 layers */
  uint8 flags_;                 /* flags about this space (see the P_ values above) */
  sint8 light;                  /* How much light this space provides */
  MoveType move_block;          /* What movement types this space blocks */
  MoveType move_slow;           /* What movement types this space slows */
  MoveType move_on;             /* What movement types are activated */
  MoveType move_off;            /* What movement types are activated */

  void update_ ();
  void update ()
  {
    if (flags_ & P_NEED_UPDATE)
      update_ ();
  }

  uint8 flags ()
  {
    update ();
    return flags_;
  }
  
  // maybe only inline quick flags_ checking?
  object *player ()
  {
    // search from the top, because players are usually on top
    // make usually == always and this non-amortized O(1)
    // could gte rid of P_PLAYER, too, then
    if (flags () & P_PLAYER)
      for (object *op = top; op; op = op->below)
        if (op->type == PLAYER)
          return op;

    return 0;
  }
};

/*
 * this is an overlay structure of the whole world.  It exists as a simple
 * high level map, which doesn't contain the full data of the underlying map.
 * in this map, only things such as weather are recorded.  By doing so, we
 * can keep the entire world parameters in memory, and act as a whole on
 * them at once.  We can then, in a separate loop, update the actual world
 * with the new values we have assigned.
 */

struct weathermap_t
{
  sint16 temp;                  /* base temperature of this tile (F) */
  sint16 pressure;              /* barometric pressure (mb) */
  sint8 humid;                  /* humitidy of this tile */
  sint8 windspeed;              /* windspeed of this tile */
  sint8 winddir;                /* direction of wind */
  sint8 sky;                    /* sky conditions */
  sint32 avgelev;               /* average elevation */
  uint32 rainfall;              /* cumulative rainfall */
  uint8 darkness;               /* indicates level of darkness of map */
  uint8 water;                  /* 0-100 percentage of water tiles */
  /*Dynamic parts */
  sint16 realtemp;              /*  temperature at a given calculation step for this tile */
};

/*
 * Each map is in a given region of the game world and links to a region definiton, so
 * they have to appear here in the headers, before the mapdef
 */
struct region : zero_initialised
{
  struct region *next;          /* pointer to next region, NULL for the last one */
  const char *name;             /* Shortend name of the region as maps refer to it */
  const char *parent_name;      /* 
                                 * So that parent and child regions can be defined in
                                 * any order, we keep hold of the parent_name during
                                 * initialisation, and the children get assigned to their
                                 * parents later. (before runtime on the server though)
                                 * nothing outside the init code should ever use this value.
                                 */
  struct region *parent;        /* 
                                 * Pointer to the region that is a parent of the current
                                 * region, if a value isn't defined in the current region
                                 * we traverse this series of pointers until it is.
                                 */
  const char *longname;         /* Official title of the region, this might be defined
                                 * to be the same as name*/
  const char *msg;              /* the description of the region */
  uint32 counter;               /* A generic counter for holding temporary data. */
  sint8 fallback;               /* whether, in the event of a region not existing,
                                 * this should be the one we fall back on as the default */
  char *jailmap;                /*where a player that is arrested in this region should be imprisoned. */
  sint16 jailx, jaily;          /* The coodinates in jailmap to which the player should be sent. */
};

struct shopitems : zero_initialised
{
  const char *name;             /* name of the item in question, null if it is the default item */
  const char *name_pl;          /* plural name */
  int typenum;                  /* itemtype number we need to match 0 if it is the default price */
  sint8 strength;               /* the degree of specialisation the shop has in this item, 
                                 * as a percentage from -100 to 100 */
  int index;                    /* being the size of the shopitems array. */
};

/* In general, code should always use the macros 
 * above (or functions in map.c) to access many of the 
 * values in the map structure.  Failure to do this will
 * almost certainly break various features.  You may think
 * it is safe to look at width and height values directly
 * (or even through the macros), but doing so will completely
 * break map tiling.
 */
ACC_CLASS (maptile)
struct maptile : zero_initialised, attachable<maptile>
{
  sint32 ACC (RO, width), ACC (RO, height);        /* Width and height of map. */
  struct mapspace *spaces; /* Array of spaces on this map */

  maptile *ACC (RW, next);        /* Next map, linked list */
  char *ACC (RO, tmpname); /* Name of temporary file */
  char *ACC (RO, name);    /* Name of map as given by its creator */
  struct region *ACC (RW, region); /* What jurisdiction in the game world this map is ruled by 
                                    * points to the struct containing all the properties of 
                                    * the region */
  uint32 ACC (RW, reset_time);     /* when this map should reset */
  uint32 ACC (RW, reset_timeout);  /* How many seconds must elapse before this map
                                    * should be reset
                                    */
  bool ACC (RW, fixed_resettime);  /* if true, reset time is not affected by
                                    * players entering/exiting map
                                    */
  bool ACC (RW, unique);   /* if set, this is a per player unique map */
  bool ACC (RW, templatemap);      /* if set, this is a template map */
  bool ACC (RW, nosmooth); /* if set the content of this map has smoothlevel=0 forced */
  sint32 ACC (RW, timeout);        /* swapout is set to this */
  sint32 ACC (RW, swap_time);      /* When it reaches 0, the map will be swapped out */
  uint32 ACC (RW, in_memory);      /* If not true, the map has been freed and must
                                    * be loaded before used.  The map,omap and map_ob
                                    * arrays will be allocated when the map is loaded */
  sint16 ACC (RW, players);        /* How many players are on this level right now */
  uint16 ACC (RW, difficulty);     /* What level the player should be to play here */

  uint8 ACC (RW, darkness);        /* indicates level of darkness of map */
  uint16 ACC (RW, enter_x);        /* enter_x and enter_y are default entrance location */
  uint16 ACC (RW, enter_y);        /* on the map if none are set in the exit */
  bool ACC (RW, outdoor);  /* True if an outdoor map */
  oblinkpt *buttons;       /* Linked list of linked lists of buttons */
  sint16 ACC (RW, temp);   /* base temperature of this tile (F) */
  sint16 ACC (RW, pressure);       /* barometric pressure (mb) */
  sint8 ACC (RW, humid);   /* humitidy of this tile */
  sint8 ACC (RW, windspeed);       /* windspeed of this tile */
  sint8 ACC (RW, winddir); /* direction of wind */
  sint8 ACC (RW, sky);     /* sky conditions */
  int ACC (RW, wpartx), ACC (RW, wparty);  /*Highly fasten conversion between worldmap and weathermap */
  struct shopitems *shopitems;     /* a semi-colon seperated list of item-types the map's shop will trade in */
  char *ACC (RO, shoprace);        /* the preffered race of the local shopkeeper */
  double ACC (RW, shopgreed);      /* how much our shopkeeper overcharges */
  sint64 ACC (RW, shopmin);        /* minimum price a shop will trade for */
  sint64 ACC (RW, shopmax);        /* maximum price a shop will offer */
  char *ACC (RO, msg);     /* Message map creator may have left */
  char *ACC (RO, maplore); /* Map lore information */
  char *tile_path[4];      /* path to adjoining maps */
  maptile *tile_map[4];   /* Next map, linked list */
  char ACC (RW, path)[HUGE_BUF];   /* Filename of the map */

  maptile ();
  void allocate ();

  mapspace const &at (uint32 x, uint32 y) const { return spaces [x + width * y]; }
  mapspace       &at (uint32 x, uint32 y)       { return spaces [x + width * y]; }
};

/* This is used by get_rangevector to determine where the other
 * creature is.  get_rangevector takes into account map tiling,
 * so you just can not look the the map coordinates and get the
 * righte value.  distance_x/y are distance away, which
 * can be negative.  direction is the crossfire direction scheme
 * that the creature should head.  part is the part of the
 * monster that is closest.
 * Note: distance should be always >=0. I changed it to UINT. MT
 */
struct rv_vector
{
  unsigned int distance;
  int distance_x;
  int distance_y;
  int direction;
  object *part;
};

inline mapspace &
object::ms () const
{
  return map->at (x, y);
}

#endif

Revision:	1.31
Committed:	Thu Dec 21 01:33:49 2006 UTC (17 years, 5 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.30:	+11 -2 lines
Log Message:	- reduce map memory consumption by reserving space for only the 3 existing layers - factorise out some functions into mapspace and object
#	User	Rev	Content
1	root	1.1	/*
2			CrossFire, A Multiplayer game for X-windows
3
4			Copyright (C) 2002-2005 Mark Wedel & Crossfire Development Team
5			Copyright (C) 1992 Frank Tore Johansen
6
7			This program is free software; you can redistribute it and/or modify
8			it under the terms of the GNU General Public License as published by
9			the Free Software Foundation; either version 2 of the License, or
10			(at your option) any later version.
11
12			This program is distributed in the hope that it will be useful,
13			but WITHOUT ANY WARRANTY; without even the implied warranty of
14			MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15			GNU General Public License for more details.
16
17			You should have received a copy of the GNU General Public License
18			along with this program; if not, write to the Free Software
19			Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20
21	root	1.28	The authors can be reached via e-mail at crossfire@schmorp.de
22	root	1.1	*/
23
24			/*
25	root	1.21	* The maptile is allocated each time a new map is opened.
26	root	1.1	* It contains pointers (very indirectly) to all objects on the map.
27			*/
28
29			#ifndef MAP_H
30			#define MAP_H
31
32	root	1.9	#include "cfperl.h"
33
34	root	1.1	/* We set this size - this is to make magic map work properly on
35			* tiled maps. There is no requirement that this matches the
36			* tiled maps size - it just seemed like a reasonable value.
37			* Magic map code now always starts out putting the player in the
38			* center of the map - this makes the most sense when dealing
39			* with tiled maps.
40			* We also figure out the magicmap color to use as we process the
41			* spaces - this is more efficient as we already have up to date
42			* map pointers.
43			*/
44			#define MAGIC_MAP_SIZE 50
45			#define MAGIC_MAP_HALF MAGIC_MAP_SIZE/2
46
47	root	1.31	#define MAP_LAYERS 3
48	root	1.1
49			/* This is when the map will reset */
50			#define MAP_WHEN_RESET(m) ((m)->reset_time)
51
52			#define MAP_RESET_TIMEOUT(m) ((m)->reset_timeout)
53			#define MAP_DIFFICULTY(m) ((m)->difficulty)
54			#define MAP_TIMEOUT(m) ((m)->timeout)
55			#define MAP_SWAP_TIME(m) ((m)->swap_time)
56			#define MAP_OUTDOORS(m) ((m)->outdoor)
57
58			/* mape darkness used to enforce the MAX_DARKNESS value.
59			* but IMO, if it is beyond max value, that should be fixed
60			* on the map or in the code.
61			*/
62			#define MAP_DARKNESS(m) (m)->darkness
63
64			#define MAP_WIDTH(m) (m)->width
65			#define MAP_HEIGHT(m) (m)->height
66	root	1.20
67	root	1.1	/* Convenient function - total number of spaces is used
68			* in many places.
69			*/
70			#define MAP_SIZE(m) ((m)->width * (m)->height)
71
72			#define MAP_ENTER_X(m) (m)->enter_x
73			#define MAP_ENTER_Y(m) (m)->enter_y
74
75			#define MAP_TEMP(m) (m)->temp
76			#define MAP_PRESSURE(m) (m)->pressure
77			#define MAP_HUMID(m) (m)->humid
78			#define MAP_WINDSPEED(m) (m)->windspeed
79			#define MAP_WINDDIRECTION(m) (m)->winddir
80			#define MAP_SKYCOND(m) (m)->sky
81			#define MAP_WORLDPARTX(m) (m)->wpartx
82			#define MAP_WORLDPARTY(m) (m)->wparty
83			#define MAP_NOSMOOTH(m) (m)->nosmooth
84
85			/* options passed to ready_map_name and load_original_map */
86			#define MAP_FLUSH 0x1
87			#define MAP_PLAYER_UNIQUE 0x2
88			#define MAP_BLOCK 0x4
89			#define MAP_STYLE 0x8
90			#define MAP_OVERLAY 0x10
91
92			/* Values for in_memory below. Should probably be an enumerations */
93			#define MAP_IN_MEMORY 1
94			#define MAP_SWAPPED 2
95			#define MAP_LOADING 3
96			#define MAP_SAVING 4
97
98			/* GET_MAP_FLAGS really shouldn't be used very often - get_map_flags should
99			* really be used, as it is multi tile aware. However, there are some cases
100			* where it is known the map is not tiled or the values are known
101			* consistent (eg, op->map, op->x, op->y)
102			*/
103	root	1.29	// all those macros are herewith declared legacy
104	root	1.30	#define GET_MAP_FLAGS(M,X,Y) (M)->at((X),(Y)).flags ()
105	root	1.29	#define GET_MAP_LIGHT(M,X,Y) (M)->at((X),(Y)).light
106			#define GET_MAP_OB(M,X,Y) (M)->at((X),(Y)).bottom
107			#define GET_MAP_TOP(M,X,Y) (M)->at((X),(Y)).top
108			#define GET_MAP_FACE(M,X,Y,L) (M)->at((X),(Y)).faces[L]
109			#define GET_MAP_FACE_OBJ(M,X,Y,L) (M)->at((X),(Y)).faces_obj[L]
110			#define GET_MAP_MOVE_BLOCK(M,X,Y) (M)->at((X),(Y)).move_block
111			#define GET_MAP_MOVE_SLOW(M,X,Y) (M)->at((X),(Y)).move_slow
112			#define GET_MAP_MOVE_ON(M,X,Y) (M)->at((X),(Y)).move_on
113			#define GET_MAP_MOVE_OFF(M,X,Y) (M)->at((X),(Y)).move_off
114	root	1.1
115			/* You should really know what you are doing before using this - you
116			* should almost always be using out_of_map instead, which takes into account
117			* map tiling.
118			*/
119			#define OUT_OF_REAL_MAP(M,X,Y) ((X)<0 \|\| (Y)<0 \|\| (X)>=(M)->width \|\| (Y)>=(M)->height)
120
121			/* These are used in the MapLook flags element. They are not used in
122			* in the object flags structure.
123			*/
124			#define P_BLOCKSVIEW 0x01
125	root	1.20	#define P_NO_MAGIC 0x02 /* Spells (some) can't pass this object */
126	root	1.29	#define P_PLAYER 0x04 /* a player (or something seeing these objects) is on this mapspace */
127			#define P_SAFE 0x08 /* If this is set the map tile is a safe space,
128			* that means, nothing harmful can be done,
129			* such as: bombs, potion usage, alchemy, spells
130			* this was introduced to make shops safer
131			* but is useful in other situations */
132	root	1.20	#define P_IS_ALIVE 0x10 /* something alive is on this space */
133			#define P_NO_CLERIC 0x20 /* no clerical spells cast here */
134	root	1.30
135			#define P_NEED_UPDATE 0x80 /* this space is out of date */
136	root	1.20
137	root	1.1	/* The following two values are not stored in the MapLook flags, but instead
138			* used in the get_map_flags value - that function is used to return
139			* the flag value, as well as other conditions - using a more general
140			* function that does more of the work can hopefully be used to replace
141			* lots of duplicate checks currently in the code.
142			*/
143	root	1.29	#define P_OUT_OF_MAP 0x10000 /* This space is outside the map */
144			#define P_NEW_MAP 0x20000
145	root	1.20	/* Coordinates passed result in a new tiled map */
146	root	1.1
147	root	1.29	/* P_NO_PASS is used for ob_blocked() return value. It needs
148			* to be here to make sure the bits don't match with anything.
149			*/
150			#define P_NO_PASS 0x80000
151
152			/* Instead of having numerous arrays that have information on a
153	root	1.1	* particular space (was map, floor, floor2, map_ob),
154			* have this structure take care of that information.
155			* This puts it all in one place, and should also make it easier
156			* to extend information about a space.
157			*/
158	root	1.29	struct mapspace
159	root	1.20	{
160			object bottom; / lowest object on this space */
161			object top; / Highest object on this space */
162			New_Face faces[MAP_LAYERS]; / faces for the 3 layers */
163	root	1.30	object faces_obj[MAP_LAYERS];/ face objects for the 3 layers */
164			uint8 flags_; /* flags about this space (see the P_ values above) */
165	root	1.20	sint8 light; /* How much light this space provides */
166	root	1.30	MoveType move_block; /* What movement types this space blocks */
167			MoveType move_slow; /* What movement types this space slows */
168			MoveType move_on; /* What movement types are activated */
169			MoveType move_off; /* What movement types are activated */
170
171			void update_ ();
172			void update ()
173			{
174			if (flags_ & P_NEED_UPDATE)
175			update_ ();
176			}
177
178			uint8 flags ()
179			{
180			update ();
181			return flags_;
182			}
183
184			// maybe only inline quick flags_ checking?
185			object *player ()
186			{
187	root	1.31	// search from the top, because players are usually on top
188			// make usually == always and this non-amortized O(1)
189			// could gte rid of P_PLAYER, too, then
190	root	1.30	if (flags () & P_PLAYER)
191	root	1.31	for (object *op = top; op; op = op->below)
192	root	1.30	if (op->type == PLAYER)
193			return op;
194
195			return 0;
196			}
197	elmex	1.6	};
198	root	1.1
199			/*
200			* this is an overlay structure of the whole world. It exists as a simple
201			* high level map, which doesn't contain the full data of the underlying map.
202			* in this map, only things such as weather are recorded. By doing so, we
203			* can keep the entire world parameters in memory, and act as a whole on
204			* them at once. We can then, in a separate loop, update the actual world
205			* with the new values we have assigned.
206			*/
207
208	root	1.20	struct weathermap_t
209			{
210			sint16 temp; /* base temperature of this tile (F) */
211			sint16 pressure; /* barometric pressure (mb) */
212			sint8 humid; /* humitidy of this tile */
213			sint8 windspeed; /* windspeed of this tile */
214			sint8 winddir; /* direction of wind */
215			sint8 sky; /* sky conditions */
216			sint32 avgelev; /* average elevation */
217			uint32 rainfall; /* cumulative rainfall */
218			uint8 darkness; /* indicates level of darkness of map */
219			uint8 water; /* 0-100 percentage of water tiles */
220			/Dynamic parts /
221			sint16 realtemp; /* temperature at a given calculation step for this tile */
222	elmex	1.6	};
223	root	1.1
224			/*
225			* Each map is in a given region of the game world and links to a region definiton, so
226			* they have to appear here in the headers, before the mapdef
227			*/
228	root	1.26	struct region : zero_initialised
229	root	1.20	{
230			struct region next; / pointer to next region, NULL for the last one */
231			const char name; / Shortend name of the region as maps refer to it */
232			const char parent_name; /
233			* So that parent and child regions can be defined in
234			* any order, we keep hold of the parent_name during
235			* initialisation, and the children get assigned to their
236			* parents later. (before runtime on the server though)
237			* nothing outside the init code should ever use this value.
238			*/
239			struct region parent; /
240			* Pointer to the region that is a parent of the current
241			* region, if a value isn't defined in the current region
242			* we traverse this series of pointers until it is.
243			*/
244			const char longname; / Official title of the region, this might be defined
245			* to be the same as name*/
246			const char msg; / the description of the region */
247			uint32 counter; /* A generic counter for holding temporary data. */
248			sint8 fallback; /* whether, in the event of a region not existing,
249			* this should be the one we fall back on as the default */
250			char jailmap; /where a player that is arrested in this region should be imprisoned. */
251			sint16 jailx, jaily; /* The coodinates in jailmap to which the player should be sent. */
252	elmex	1.6	};
253	root	1.1
254	root	1.18	struct shopitems : zero_initialised
255			{
256	root	1.20	const char name; / name of the item in question, null if it is the default item */
257			const char name_pl; / plural name */
258			int typenum; /* itemtype number we need to match 0 if it is the default price */
259			sint8 strength; /* the degree of specialisation the shop has in this item,
260			* as a percentage from -100 to 100 */
261			int index; /* being the size of the shopitems array. */
262	elmex	1.6	};
263	root	1.1
264			/* In general, code should always use the macros
265			* above (or functions in map.c) to access many of the
266			* values in the map structure. Failure to do this will
267			* almost certainly break various features. You may think
268			* it is safe to look at width and height values directly
269			* (or even through the macros), but doing so will completely
270			* break map tiling.
271			*/
272	root	1.21	ACC_CLASS (maptile)
273			struct maptile : zero_initialised, attachable<maptile>
274	root	1.19	{
275	root	1.29	sint32 ACC (RO, width), ACC (RO, height); /* Width and height of map. */
276			struct mapspace spaces; / Array of spaces on this map */
277
278	root	1.21	maptile ACC (RW, next); / Next map, linked list */
279	root	1.20	char ACC (RO, tmpname); / Name of temporary file */
280			char ACC (RO, name); / Name of map as given by its creator */
281			struct region ACC (RW, region); / What jurisdiction in the game world this map is ruled by
282			* points to the struct containing all the properties of
283			* the region */
284			uint32 ACC (RW, reset_time); /* when this map should reset */
285	root	1.19	uint32 ACC (RW, reset_timeout); /* How many seconds must elapse before this map
286	root	1.20	* should be reset
287			*/
288			bool ACC (RW, fixed_resettime); /* if true, reset time is not affected by
289			* players entering/exiting map
290			*/
291			bool ACC (RW, unique); /* if set, this is a per player unique map */
292			bool ACC (RW, templatemap); /* if set, this is a template map */
293			bool ACC (RW, nosmooth); /* if set the content of this map has smoothlevel=0 forced */
294			sint32 ACC (RW, timeout); /* swapout is set to this */
295			sint32 ACC (RW, swap_time); /* When it reaches 0, the map will be swapped out */
296			uint32 ACC (RW, in_memory); /* If not true, the map has been freed and must
297			* be loaded before used. The map,omap and map_ob
298			* arrays will be allocated when the map is loaded */
299	root	1.29	sint16 ACC (RW, players); /* How many players are on this level right now */
300	root	1.20	uint16 ACC (RW, difficulty); /* What level the player should be to play here */
301
302			uint8 ACC (RW, darkness); /* indicates level of darkness of map */
303			uint16 ACC (RW, enter_x); /* enter_x and enter_y are default entrance location */
304			uint16 ACC (RW, enter_y); /* on the map if none are set in the exit */
305			bool ACC (RW, outdoor); /* True if an outdoor map */
306			oblinkpt buttons; / Linked list of linked lists of buttons */
307			sint16 ACC (RW, temp); /* base temperature of this tile (F) */
308			sint16 ACC (RW, pressure); /* barometric pressure (mb) */
309			sint8 ACC (RW, humid); /* humitidy of this tile */
310			sint8 ACC (RW, windspeed); /* windspeed of this tile */
311			sint8 ACC (RW, winddir); /* direction of wind */
312			sint8 ACC (RW, sky); /* sky conditions */
313			int ACC (RW, wpartx), ACC (RW, wparty); /Highly fasten conversion between worldmap and weathermap /
314			struct shopitems shopitems; / a semi-colon seperated list of item-types the map's shop will trade in */
315			char ACC (RO, shoprace); / the preffered race of the local shopkeeper */
316			double ACC (RW, shopgreed); /* how much our shopkeeper overcharges */
317	pippijn	1.24	sint64 ACC (RW, shopmin); /* minimum price a shop will trade for */
318	pippijn	1.25	sint64 ACC (RW, shopmax); /* maximum price a shop will offer */
319	root	1.20	char ACC (RO, msg); / Message map creator may have left */
320			char ACC (RO, maplore); / Map lore information */
321			char tile_path[4]; / path to adjoining maps */
322	root	1.21	maptile tile_map[4]; / Next map, linked list */
323	root	1.20	char ACC (RW, path)[HUGE_BUF]; /* Filename of the map */
324	root	1.23
325			maptile ();
326			void allocate ();
327	root	1.29
328			mapspace const &at (uint32 x, uint32 y) const { return spaces [x + width * y]; }
329			mapspace &at (uint32 x, uint32 y) { return spaces [x + width * y]; }
330	elmex	1.6	};
331	root	1.1
332			/* This is used by get_rangevector to determine where the other
333			* creature is. get_rangevector takes into account map tiling,
334			* so you just can not look the the map coordinates and get the
335			* righte value. distance_x/y are distance away, which
336	root	1.29	* can be negative. direction is the crossfire direction scheme
337	root	1.1	* that the creature should head. part is the part of the
338			* monster that is closest.
339			* Note: distance should be always >=0. I changed it to UINT. MT
340			*/
341	root	1.20	struct rv_vector
342			{
343			unsigned int distance;
344			int distance_x;
345			int distance_y;
346			int direction;
347			object *part;
348	elmex	1.6	};
349	root	1.1
350	root	1.31	inline mapspace &
351			object::ms () const
352			{
353			return map->at (x, y);
354			}
355
356	root	1.1	#endif
357	root	1.22