server/include/newserver.h


/*
    CrossFire, A Multiplayer game for the X Window System

    Copyright (C) 2002 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 author can be reached via e-mail to crossfire-devel@real-time.com
*/

/*
    newserver.h defines various structures and values that are use for the
    new client server communication method.  Values defined here are only
    used on the server side code.  For shared client/server values, see
    newclient.h
*/


#ifndef NEWSERVER_H
#define NEWSERVER_H

/* Reduce this from 50 to 5 - as it is now, there will never be more
 * than 3 anyways.
 */

#define NUM_LOOK_OBJECTS 50

struct MapCell
{
  short faces[MAP_LAYERS];
  uint16 smooth[MAP_LAYERS];
  int count;                    /* This is really darkness in the map1 command */
  unsigned char stat_hp;        // health of something in this space, or 0
  tag_t player;                 // this is, unfortunately, very wasteful of memory space, but pretty bandwidth-efficient
};

/* This basically defines the largest size an 
 * archetype may be - it is used for allocation of
 * some structures, as well as determining how far
 * we should look for the heads of big images.
 */
#define MAX_HEAD_OFFSET     8

# define MAX_CLIENT_X (MAP_CLIENT_X + MAX_HEAD_OFFSET)
#define MAX_CLIENT_Y (MAP_CLIENT_Y + MAX_HEAD_OFFSET)

struct Map
{
  struct MapCell cells[MAX_CLIENT_X][MAX_CLIENT_Y];
};

/* True max is 16383 given current map compaction method */
# define MAXANIMNUM  2000

struct statsinfo
{
  char *range, *title;
};

/* This contains basic information on the socket structure.  status is its
 * current state.  we set up our on buffers for sending/receiving, so we can
 * handle some higher level functions.  fd is the actual file descriptor we
 * are using.
 */

enum Sock_Status { Ns_Avail, Ns_Add, Ns_Dead, Ns_Old };

/* Reserver 0 for neither of these being set */
enum Old_Mode { Old_Listen = 1, Old_Player = 2 };

/* Only one map mode can actually be used, so lets make it a switch
 * instead of having a bunch of different fields that needed to
 * get toggled.
 */
enum MapMode { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 };

/* The following is the setup for a ring buffer for storing outbut
 * data that the OS can't handle right away.
 */

struct Buffer
{
  char data[SOCKETBUFSIZE];
  int start;
  int len;
};

/* how many times we are allowed to give the wrong password before being kicked. */
# define MAX_PASSWORD_FAILURES 5

struct NewSocket
{
  enum Sock_Status status;
  int fd;
  struct Map lastmap;
  size_t faces_sent_len;        /* This is the number of elements allocated in faces_sent[] */
  uint8 *faces_sent;            /* This is a bitmap on sent face status */
  uint8 anims_sent[MAXANIMNUM];
  struct statsinfo stats;
  /* If we get an incomplete packet, this is used to hold the data. */
  SockList inbuf;
  char *host;                   /* Which host it is connected from (ip address) */
  uint8 password_fails;         /* how many times the player has failed to give the right password */
  Buffer outputbuffer;          /* For undeliverable data */
  uint32 facecache:1;           /* If true, client is caching images */
  uint32 sent_scroll:1;
  uint32 sound:1;               /* does the client want sound */
  uint32 exp64:1;               /* Client wants 64 bit exp data, as well as skill data */
  uint32 newmapcmd:1;           /* Send newmap command when entering new map SMACFIGGEN */
  uint32 plugincmd:1;           /* CF+ extend the protocol through a plug-in */
  uint32 mapinfocmd:1;          /* CF+ return map info and send map change info */
  uint32 extcmd:1;              /* CF+ call into extensions/plugins */
  uint32 extmap:1;              /* CF+ extend map comamnd with extra data */
  uint32 buggy_mapscroll:1;     /* CF+ client crashes on large mapscrolls */
  uint32 darkness:1;            /* True if client wants darkness information */
  uint32 image2:1;              /* Client wants image2/face2 commands */
  uint32 update_look:1;         /* If true, we need to send the look window */
  uint32 can_write:1;           /* Can we write to this socket? */
  uint32 has_readable_type:1;   /* If true client accept additional text information
                                   used to arrange text in books, scrolls, or scripted dialogs */
  uint32 monitor_spells:1;      /* Client wishes to be informed when their spell list changes */
  uint32 supported_readables;   /* each bit is a readable supported by client */
  uint32 cs_version, sc_version;        /* versions of the client */
  enum MapMode mapmode;         /* Type of map commands the client wants. */
  uint16 look_position;         /* start of drawing of look window */
  uint8 mapx, mapy;             /* How large a map the client wants */
  uint8 itemcmd;                /* What version of the 'item' protocol command to use */
  uint8 faceset;                /* Set the client is using, default 0 */
  uint32 ext_mapinfos:1;        /* If true client accept additionnal info on maps */
  /* Below are flags for extedend infos to pass to client 
   * with S->C mapextended command */
  uint32 EMI_smooth:1;          /* Send smooth in extendmapinfos */

  struct mapstruct *current_map;        // CF+ last/current player map
  int current_x, current_y;     // CF+ last/current map position
  char client[64];              // CF+ client name/version

  /* Below here is information only relevant for old sockets */
  char *comment;                /* name or listen comment */
  enum Old_Mode old_mode;
};

#define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\
        ( ((__type)>0) &&\
          ((__sockPtr)->has_readable_type) && \
          ((__sockPtr)->supported_readables & (1<<(__type))) )

/* Bitmask for the faces_sent[] array - what
 * portion of the face have we sent?
 */
#define NS_FACESENT_FACE        0x1
#define NS_FACESENT_SMOOTH      0x2

/* Constants in the form EMI_ is for extended map infos.
 * Even if the client select the additionnal infos it wants
 * on the map, there may exist cases where this whole info
 * is not given in one buch but in separate bunches. This 
 * is done performance reasons (imagine some info related to
 * a visible object and another info related to a 4 square
 * width and height area). At the begin of an extended info packet
 * is a bit field. A bit is activated for each extended info
 * present in the data 
 */

/* Meanings:
 * EMI_NOREDRAW  Take extended infos into account but don't redraw,
 *               some additionnal datas will follow in a new packet
 * EMI_SMOOTH    Datas about smoothing  
 */
#define EMI_NOREDRAW        0x01
#define EMI_SMOOTH          0x02

/* this last one says the bitfield continue un next byte
 * There may be several on contiguous bytes. So there is 7
 * actual bits used per byte, and the number of bytes
 * is not fixed in protocol
 */
#define EMI_HASMOREBITS     0x80

#define FACE_TYPES  1
#define PNG_FACE_INDEX  0

struct Socket_Info
{
  struct timeval timeout;       /* Timeout for select */
  int max_filedescriptor;       /* max filedescriptor on the system */
  int nconns;                   /* Number of connections */
  int allocated_sockets;        /* number of allocated in init_sockets */
};

extern Socket_Info socket_info;

#define VERSION_CS 1023        /* version >= 1023 understand setup cmd */
#define VERSION_SC 1027
#define VERSION_INFO "Crossfire+ Server"

#endif

Revision:	1.11
Committed:	Sat Sep 16 22:06:17 2006 UTC (17 years, 8 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.10:	+86 -85 lines
Log Message:	indent
#	User	Rev	Content
1	root	1.1
2			/*
3	root	1.11	CrossFire, A Multiplayer game for the X Window System
4	root	1.1
5			Copyright (C) 2002 Mark Wedel & Crossfire Development Team
6			Copyright (C) 1992 Frank Tore Johansen
7
8			This program is free software; you can redistribute it and/or modify
9			it under the terms of the GNU General Public License as published by
10			the Free Software Foundation; either version 2 of the License, or
11			(at your option) any later version.
12
13			This program is distributed in the hope that it will be useful,
14			but WITHOUT ANY WARRANTY; without even the implied warranty of
15			MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16			GNU General Public License for more details.
17
18			You should have received a copy of the GNU General Public License
19			along with this program; if not, write to the Free Software
20			Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21
22			The author can be reached via e-mail to crossfire-devel@real-time.com
23			*/
24
25			/*
26			newserver.h defines various structures and values that are use for the
27			new client server communication method. Values defined here are only
28			used on the server side code. For shared client/server values, see
29			newclient.h
30			*/
31
32
33			#ifndef NEWSERVER_H
34			#define NEWSERVER_H
35
36			/* Reduce this from 50 to 5 - as it is now, there will never be more
37			* than 3 anyways.
38			*/
39
40			#define NUM_LOOK_OBJECTS 50
41
42	root	1.11	struct MapCell
43			{
44	root	1.1	short faces[MAP_LAYERS];
45			uint16 smooth[MAP_LAYERS];
46	root	1.11	int count; /* This is really darkness in the map1 command */
47			unsigned char stat_hp; // health of something in this space, or 0
48			tag_t player; // this is, unfortunately, very wasteful of memory space, but pretty bandwidth-efficient
49	root	1.1	};
50
51			/* This basically defines the largest size an
52			* archetype may be - it is used for allocation of
53			* some structures, as well as determining how far
54			* we should look for the heads of big images.
55			*/
56			#define MAX_HEAD_OFFSET 8
57
58	root	1.11	# define MAX_CLIENT_X (MAP_CLIENT_X + MAX_HEAD_OFFSET)
59	root	1.1	#define MAX_CLIENT_Y (MAP_CLIENT_Y + MAX_HEAD_OFFSET)
60
61	root	1.11	struct Map
62			{
63	root	1.1	struct MapCell cells[MAX_CLIENT_X][MAX_CLIENT_Y];
64			};
65
66			/* True max is 16383 given current map compaction method */
67	root	1.11	# define MAXANIMNUM 2000
68	root	1.1
69	root	1.11	struct statsinfo
70			{
71			char range, title;
72	root	1.1	};
73
74			/* This contains basic information on the socket structure. status is its
75			* current state. we set up our on buffers for sending/receiving, so we can
76			* handle some higher level functions. fd is the actual file descriptor we
77			* are using.
78			*/
79
80	root	1.11	enum Sock_Status { Ns_Avail, Ns_Add, Ns_Dead, Ns_Old };
81	root	1.1
82			/* Reserver 0 for neither of these being set */
83	root	1.11	enum Old_Mode { Old_Listen = 1, Old_Player = 2 };
84	root	1.1
85			/* Only one map mode can actually be used, so lets make it a switch
86			* instead of having a bunch of different fields that needed to
87			* get toggled.
88			*/
89	root	1.11	enum MapMode { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 };
90	root	1.1
91			/* The following is the setup for a ring buffer for storing outbut
92			* data that the OS can't handle right away.
93			*/
94
95	root	1.11	struct Buffer
96			{
97			char data[SOCKETBUFSIZE];
98			int start;
99			int len;
100			};
101	root	1.1
102			/* how many times we are allowed to give the wrong password before being kicked. */
103	root	1.11	# define MAX_PASSWORD_FAILURES 5
104	root	1.1
105	root	1.11	struct NewSocket
106			{
107			enum Sock_Status status;
108			int fd;
109			struct Map lastmap;
110			size_t faces_sent_len; /* This is the number of elements allocated in faces_sent[] */
111			uint8 faces_sent; / This is a bitmap on sent face status */
112			uint8 anims_sent[MAXANIMNUM];
113			struct statsinfo stats;
114			/* If we get an incomplete packet, this is used to hold the data. */
115			SockList inbuf;
116			char host; / Which host it is connected from (ip address) */
117			uint8 password_fails; /* how many times the player has failed to give the right password */
118			Buffer outputbuffer; /* For undeliverable data */
119			uint32 facecache:1; /* If true, client is caching images */
120			uint32 sent_scroll:1;
121			uint32 sound:1; /* does the client want sound */
122			uint32 exp64:1; /* Client wants 64 bit exp data, as well as skill data */
123			uint32 newmapcmd:1; /* Send newmap command when entering new map SMACFIGGEN */
124			uint32 plugincmd:1; /* CF+ extend the protocol through a plug-in */
125			uint32 mapinfocmd:1; /* CF+ return map info and send map change info */
126			uint32 extcmd:1; /* CF+ call into extensions/plugins */
127			uint32 extmap:1; /* CF+ extend map comamnd with extra data */
128			uint32 buggy_mapscroll:1; /* CF+ client crashes on large mapscrolls */
129			uint32 darkness:1; /* True if client wants darkness information */
130			uint32 image2:1; /* Client wants image2/face2 commands */
131			uint32 update_look:1; /* If true, we need to send the look window */
132			uint32 can_write:1; /* Can we write to this socket? */
133			uint32 has_readable_type:1; /* If true client accept additional text information
134			used to arrange text in books, scrolls, or scripted dialogs */
135			uint32 monitor_spells:1; /* Client wishes to be informed when their spell list changes */
136			uint32 supported_readables; /* each bit is a readable supported by client */
137			uint32 cs_version, sc_version; /* versions of the client */
138			enum MapMode mapmode; /* Type of map commands the client wants. */
139			uint16 look_position; /* start of drawing of look window */
140			uint8 mapx, mapy; /* How large a map the client wants */
141			uint8 itemcmd; /* What version of the 'item' protocol command to use */
142			uint8 faceset; /* Set the client is using, default 0 */
143			uint32 ext_mapinfos:1; /* If true client accept additionnal info on maps */
144			/* Below are flags for extedend infos to pass to client
145			* with S->C mapextended command */
146			uint32 EMI_smooth:1; /* Send smooth in extendmapinfos */
147
148			struct mapstruct *current_map; // CF+ last/current player map
149			int current_x, current_y; // CF+ last/current map position
150			char client[64]; // CF+ client name/version
151
152			/* Below here is information only relevant for old sockets */
153			char comment; / name or listen comment */
154			enum Old_Mode old_mode;
155			};
156	root	1.1
157			#define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\
158	root	1.10	( ((__type)>0) &&\
159			((__sockPtr)->has_readable_type) && \
160			((__sockPtr)->supported_readables & (1<<(__type))) )
161	root	1.1
162			/* Bitmask for the faces_sent[] array - what
163			* portion of the face have we sent?
164			*/
165			#define NS_FACESENT_FACE 0x1
166			#define NS_FACESENT_SMOOTH 0x2
167
168			/* Constants in the form EMI_ is for extended map infos.
169			* Even if the client select the additionnal infos it wants
170			* on the map, there may exist cases where this whole info
171			* is not given in one buch but in separate bunches. This
172			* is done performance reasons (imagine some info related to
173			* a visible object and another info related to a 4 square
174			* width and height area). At the begin of an extended info packet
175			* is a bit field. A bit is activated for each extended info
176			* present in the data
177			*/
178	root	1.11
179	root	1.1	/* Meanings:
180			* EMI_NOREDRAW Take extended infos into account but don't redraw,
181			* some additionnal datas will follow in a new packet
182			* EMI_SMOOTH Datas about smoothing
183	root	1.11	*/
184			#define EMI_NOREDRAW 0x01
185	root	1.1	#define EMI_SMOOTH 0x02
186
187			/* this last one says the bitfield continue un next byte
188			* There may be several on contiguous bytes. So there is 7
189			* actual bits used per byte, and the number of bytes
190			* is not fixed in protocol
191			*/
192			#define EMI_HASMOREBITS 0x80
193
194			#define FACE_TYPES 1
195			#define PNG_FACE_INDEX 0
196
197	root	1.11	struct Socket_Info
198			{
199			struct timeval timeout; /* Timeout for select */
200			int max_filedescriptor; /* max filedescriptor on the system */
201			int nconns; /* Number of connections */
202			int allocated_sockets; /* number of allocated in init_sockets */
203			};
204	root	1.1
205			extern Socket_Info socket_info;
206
207	root	1.11	#define VERSION_CS 1023 /* version >= 1023 understand setup cmd */
208	root	1.1	#define VERSION_SC 1027
209	root	1.4	#define VERSION_INFO "Crossfire+ Server"
210	root	1.1
211			#endif
212	root	1.11