1 /*
2 Copyright (C) 1996-1997 Id Software, Inc.
3 
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
8 
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12 
13 See the GNU General Public License for more details.
14 
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18 
19 */
20 // server.h
21 
22 typedef struct
23 {
24 	int			maxclients;
25 	int			maxclientslimit;
26 	struct client_s	*clients;		// [maxclients]
27 	int			serverflags;		// episode completion information
28 	qboolean	changelevel_issued;	// cleared when at SV_SpawnServer
29 } server_static_t;
30 
31 //=============================================================================
32 
33 typedef enum {ss_loading, ss_active} server_state_t;
34 
35 typedef struct
36 {
37 	qboolean	active;				// false if only a net client
38 
39 	qboolean	paused;
40 	qboolean	loadgame;			// handle connections specially
41 
42 	double		time;
43 
44 	int			lastcheck;			// used by PF_checkclient
45 	double		lastchecktime;
46 
47 	char		name[64];			// map name
48 #ifdef QUAKE2
49 	char		startspot[64];
50 #endif
51 	char		modelname[64];		// maps/<name>.bsp, for model_precache[0]
52 	struct model_s 	*worldmodel;
53 	char		*model_precache[MAX_MODELS];	// NULL terminated
54 	struct model_s	*models[MAX_MODELS];
55 	char		*sound_precache[MAX_SOUNDS];	// NULL terminated
56 	char		*lightstyles[MAX_LIGHTSTYLES];
57 	int			num_edicts;
58 	int			max_edicts;
59 	edict_t		*edicts;			// can NOT be array indexed, because
60 									// edict_t is variable sized, but can
61 									// be used to reference the world ent
62 	server_state_t	state;			// some actions are only valid during load
63 
64 	sizebuf_t	datagram;
65 	byte		datagram_buf[MAX_DATAGRAM];
66 
67 	sizebuf_t	reliable_datagram;	// copied to all clients at end of frame
68 	byte		reliable_datagram_buf[MAX_DATAGRAM];
69 
70 	sizebuf_t	signon;
71 	byte		signon_buf[32768]; //Increased from 8192 to 32768 - Eradicator
72 } server_t;
73 
74 
75 #define	NUM_PING_TIMES		16
76 #define	NUM_SPAWN_PARMS		16
77 
78 typedef struct client_s
79 {
80 	qboolean		active;				// false = client is free
81 	qboolean		spawned;			// false = don't send datagrams
82 	qboolean		dropasap;			// has been told to go to another level
83 	qboolean		privileged;			// can execute any host command
84 	qboolean		sendsignon;			// only valid before spawned
85 
86 	double			last_message;		// reliable messages must be sent
87 										// periodically
88 
89 	struct qsocket_s *netconnection;	// communications handle
90 
91 	usercmd_t		cmd;				// movement
92 	vec3_t			wishdir;			// intended motion calced from cmd
93 
94 	sizebuf_t		message;			// can be added to at any time,
95 										// copied and clear once per frame
96 	byte			msgbuf[MAX_MSGLEN];
97 	edict_t			*edict;				// EDICT_NUM(clientnum+1)
98 	char			name[32];			// for printing to other people
99 	int				colors;
100 
101 	float			ping_times[NUM_PING_TIMES];
102 	int				num_pings;			// ping_times[num_pings%NUM_PING_TIMES]
103 
104 // spawn parms are carried from level to level
105 	float			spawn_parms[NUM_SPAWN_PARMS];
106 
107 // client known data for deltas
108 	int				old_frags;
109 } client_t;
110 
111 
112 //=============================================================================
113 
114 // edict->movetype values
115 #define	MOVETYPE_NONE			0		// never moves
116 #define	MOVETYPE_ANGLENOCLIP	1
117 #define	MOVETYPE_ANGLECLIP		2
118 #define	MOVETYPE_WALK			3		// gravity
119 #define	MOVETYPE_STEP			4		// gravity, special edge handling
120 #define	MOVETYPE_FLY			5
121 #define	MOVETYPE_TOSS			6		// gravity
122 #define	MOVETYPE_PUSH			7		// no clip to world, push and crush
123 #define	MOVETYPE_NOCLIP			8
124 #define	MOVETYPE_FLYMISSILE		9		// extra size to monsters
125 #define	MOVETYPE_BOUNCE			10
126 #ifdef QUAKE2
127 #define MOVETYPE_BOUNCEMISSILE	11		// bounce w/o gravity
128 #define MOVETYPE_FOLLOW			12		// track movement of aiment
129 #endif
130 #define MOVETYPE_FAKEPUSH		13		//PENTA: same as push but it doesn't push things
131 
132 // edict->solid values
133 #define	SOLID_NOT				0		// no interaction with other objects
134 #define	SOLID_TRIGGER			1		// touch on edge, but not blocking
135 #define	SOLID_BBOX				2		// touch on edge, block
136 #define	SOLID_SLIDEBOX			3		// touch on edge, but not an onground
137 #define	SOLID_BSP				4		// bsp clip, touch on edge, block
138 
139 // edict->deadflag values
140 #define	DEAD_NO					0
141 #define	DEAD_DYING				1
142 #define	DEAD_DEAD				2
143 
144 #define	DAMAGE_NO				0
145 #define	DAMAGE_YES				1
146 #define	DAMAGE_AIM				2
147 
148 // edict->flags
149 #define	FL_FLY					1
150 #define	FL_SWIM					2
151 //#define	FL_GLIMPSE				4
152 #define	FL_CONVEYOR				4
153 #define	FL_CLIENT				8
154 #define	FL_INWATER				16
155 #define	FL_MONSTER				32
156 #define	FL_GODMODE				64
157 #define	FL_NOTARGET				128
158 #define	FL_ITEM					256
159 #define	FL_ONGROUND				512
160 #define	FL_PARTIALGROUND		1024	// not all corners are valid
161 #define	FL_WATERJUMP			2048	// player jumping out of water
162 #define	FL_JUMPRELEASED			4096	// for jump debouncing
163 #ifdef QUAKE2
164 #define FL_FLASHLIGHT			8192
165 #define FL_ARCHIVE_OVERRIDE		1048576
166 #endif
167 
168 // entity effects
169 
170 #define	EF_BRIGHTFIELD			1
171 #define	EF_MUZZLEFLASH 			2
172 #define	EF_BRIGHTLIGHT 			4
173 #define	EF_DIMLIGHT 			8
174 #ifdef QUAKE2
175 #define EF_DARKLIGHT			16
176 #define EF_DARKFIELD			32
177 #define EF_LIGHT				64
178 #define EF_NODRAW				128
179 #endif
180 
181 #define	SPAWNFLAG_NOT_EASY			256
182 #define	SPAWNFLAG_NOT_MEDIUM		512
183 #define	SPAWNFLAG_NOT_HARD			1024
184 #define	SPAWNFLAG_NOT_DEATHMATCH	2048
185 
186 #ifdef QUAKE2
187 // server flags
188 #define	SFL_EPISODE_1		1
189 #define	SFL_EPISODE_2		2
190 #define	SFL_EPISODE_3		4
191 #define	SFL_EPISODE_4		8
192 #define	SFL_NEW_UNIT		16
193 #define	SFL_NEW_EPISODE		32
194 #define	SFL_CROSS_TRIGGERS	65280
195 #endif
196 
197 //============================================================================
198 
199 extern	cvar_t	teamplay;
200 extern	cvar_t	skill;
201 extern	cvar_t	deathmatch;
202 extern	cvar_t	coop;
203 extern	cvar_t	fraglimit;
204 extern	cvar_t	timelimit;
205 
206 extern	server_static_t	svs;				// persistant server info
207 extern	server_t		sv;					// local server
208 
209 extern	client_t	*host_client;
210 
211 extern	jmp_buf 	host_abortserver;
212 
213 extern	double		host_time;
214 
215 extern	edict_t		*sv_player;
216 
217 //===========================================================
218 
219 void SV_Init (void);
220 
221 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count);
222 void SV_StartSound (edict_t *entity, int channel, char *sample, int volume,
223     float attenuation);
224 
225 void SV_DropClient (qboolean crash);
226 
227 void SV_SendClientMessages (void);
228 void SV_ClearDatagram (void);
229 
230 int SV_ModelIndex (char *name);
231 
232 void SV_SetIdealPitch (void);
233 
234 void SV_AddUpdates (void);
235 
236 void SV_ClientThink (void);
237 void SV_AddClientToServer (struct qsocket_s	*ret);
238 
239 void SV_ClientPrintf (char *fmt, ...);
240 void SV_BroadcastPrintf (char *fmt, ...);
241 
242 void SV_Physics (void);
243 
244 qboolean SV_CheckBottom (edict_t *ent);
245 qboolean SV_movestep (edict_t *ent, vec3_t move, qboolean relink);
246 
247 void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg);
248 
249 void SV_MoveToGoal (void);
250 
251 void SV_CheckForNewClients (void);
252 void SV_RunClients (void);
253 void SV_SaveSpawnparms ();
254 #ifdef QUAKE2
255 void SV_SpawnServer (char *server, char *startspot);
256 #else
257 void SV_SpawnServer (char *server);
258 #endif
259