1 files changed, 282 insertions, 0 deletions
diff --git a/QW/client/protocol.h b/QW/client/protocol.h
new file mode 100644
index 0000000..f674c1b
--- /dev/null
+++ b/QW/client/protocol.h
@@ -0,0 +1,282 @@
+/*
+Copyright (C) 1996-1997 Id Software, Inc.
+
+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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+// protocol.h -- communications protocols
+
+#define	PROTOCOL_VERSION	28
+
+#define QW_CHECK_HASH 0x5157
+
+//=========================================
+
+#define	PORT_CLIENT	27001
+#define	PORT_MASTER	27000
+#define	PORT_SERVER	27500
+
+//=========================================
+
+// out of band message id bytes
+
+// M = master, S = server, C = client, A = any
+// the second character will allways be \n if the message isn't a single
+// byte long (?? not true anymore?)
+
+#define	S2C_CHALLENGE		'c'
+#define	S2C_CONNECTION		'j'
+#define	A2A_PING			'k'	// respond with an A2A_ACK
+#define	A2A_ACK				'l'	// general acknowledgement without info
+#define	A2A_NACK			'm'	// [+ comment] general failure
+#define A2A_ECHO			'e' // for echoing
+#define	A2C_PRINT			'n'	// print a message on client
+
+#define	S2M_HEARTBEAT		'a'	// + serverinfo + userlist + fraglist
+#define	A2C_CLIENT_COMMAND	'B'	// + command line
+#define	S2M_SHUTDOWN		'C'
+
+
+//==================
+// note that there are some defs.qc that mirror to these numbers
+// also related to svc_strings[] in cl_parse
+//==================
+
+//
+// server to client
+//
+#define	svc_bad				0
+#define	svc_nop				1
+#define	svc_disconnect		2
+#define	svc_updatestat		3	// [byte] [byte]
+//define	svc_version			4	// [long] server version
+#define	svc_setview			5	// [short] entity number
+#define	svc_sound			6	// <see code>
+//define	svc_time			7	// [float] server time
+#define	svc_print			8	// [byte] id [string] null terminated string
+#define	svc_stufftext		9	// [string] stuffed into client's console buffer
+								// the string should be \n terminated
+#define	svc_setangle		10	// [angle3] set the view angle to this absolute value
+	
+#define	svc_serverdata		11	// [long] protocol ...
+#define	svc_lightstyle		12	// [byte] [string]
+//define	svc_updatename		13	// [byte] [string]
+#define	svc_updatefrags		14	// [byte] [short]
+//define	svc_clientdata		15	// <shortbits + data>
+#define	svc_stopsound		16	// <see code>
+//define	svc_updatecolors	17	// [byte] [byte] [byte]
+//define	svc_particle		18	// [vec3] <variable>
+#define	svc_damage			19
+	
+#define	svc_spawnstatic		20
+//	svc_spawnbinary		21
+#define	svc_spawnbaseline	22
+	
+#define	svc_temp_entity		23	// variable
+#define	svc_setpause		24	// [byte] on / off
+//	svc_signonnum		25	// [byte]  used for the signon sequence
+
+#define	svc_centerprint		26	// [string] to put in center of the screen
+
+#define	svc_killedmonster	27
+#define	svc_foundsecret		28
+
+#define	svc_spawnstaticsound	29	// [coord3] [byte] samp [byte] vol [byte] aten
+
+#define	svc_intermission	30		// [vec3_t] origin [vec3_t] angle
+#define	svc_finale			31		// [string] text
+
+#define	svc_cdtrack			32		// [byte] track
+#define svc_sellscreen		33
+
+#define	svc_smallkick		34		// set client punchangle to 2
+#define	svc_bigkick			35		// set client punchangle to 4
+
+#define	svc_updateping		36		// [byte] [short]
+#define	svc_updateentertime	37		// [byte] [float]
+
+#define	svc_updatestatlong	38		// [byte] [long]
+
+#define	svc_muzzleflash		39		// [short] entity
+
+#define	svc_updateuserinfo	40		// [byte] slot [long] uid
+									// [string] userinfo
+
+#define	svc_download		41		// [short] size [size bytes]
+#define	svc_playerinfo		42		// variable
+#define	svc_nails			43		// [byte] num [48 bits] xyzpy 12 12 12 4 8 
+#define	svc_chokecount		44		// [byte] packets choked
+#define	svc_modellist		45		// [strings]
+#define	svc_soundlist		46		// [strings]
+#define	svc_packetentities	47		// [...]
+#define	svc_deltapacketentities	48		// [...]
+#define svc_maxspeed		49		// maxspeed change, for prediction
+#define svc_entgravity		50		// gravity change, for prediction
+#define svc_setinfo			51		// setinfo on a client
+#define svc_serverinfo		52		// serverinfo
+#define svc_updatepl		53		// [byte] [byte]
+
+
+//==============================================
+
+//
+// client to server
+//
+#define	clc_bad			0
+#define	clc_nop 		1
+//define	clc_doublemove	2
+#define	clc_move		3		// [[usercmd_t]
+#define	clc_stringcmd	4		// [string] message
+#define	clc_delta		5		// [byte] sequence number, requests delta compression of message
+#define clc_tmove		6		// teleport request, spectator only
+#define clc_upload		7		// teleport request, spectator only
+
+
+//==============================================
+
+// playerinfo flags from server
+// playerinfo allways sends: playernum, flags, origin[] and framenumber
+
+#define	PF_MSEC			(1<<0)
+#define	PF_COMMAND		(1<<1)
+#define	PF_VELOCITY1	(1<<2)
+#define	PF_VELOCITY2	(1<<3)
+#define	PF_VELOCITY3	(1<<4)
+#define	PF_MODEL		(1<<5)
+#define	PF_SKINNUM		(1<<6)
+#define	PF_EFFECTS		(1<<7)
+#define	PF_WEAPONFRAME	(1<<8)		// only sent for view player
+#define	PF_DEAD			(1<<9)		// don't block movement any more
+#define	PF_GIB			(1<<10)		// offset the view height differently
+#define	PF_NOGRAV		(1<<11)		// don't apply gravity for prediction
+
+//==============================================
+
+// if the high bit of the client to server byte is set, the low bits are
+// client move cmd bits
+// ms and angle2 are allways sent, the others are optional
+#define	CM_ANGLE1 	(1<<0)
+#define	CM_ANGLE3 	(1<<1)
+#define	CM_FORWARD	(1<<2)
+#define	CM_SIDE		(1<<3)
+#define	CM_UP		(1<<4)
+#define	CM_BUTTONS	(1<<5)
+#define	CM_IMPULSE	(1<<6)
+#define	CM_ANGLE2 	(1<<7)
+
+//==============================================
+
+// the first 16 bits of a packetentities update holds 9 bits
+// of entity number and 7 bits of flags
+#define	U_ORIGIN1	(1<<9)
+#define	U_ORIGIN2	(1<<10)
+#define	U_ORIGIN3	(1<<11)
+#define	U_ANGLE2	(1<<12)
+#define	U_FRAME		(1<<13)
+#define	U_REMOVE	(1<<14)		// REMOVE this entity, don't add it
+#define	U_MOREBITS	(1<<15)
+
+// if MOREBITS is set, these additional flags are read in next
+#define	U_ANGLE1	(1<<0)
+#define	U_ANGLE3	(1<<1)
+#define	U_MODEL		(1<<2)
+#define	U_COLORMAP	(1<<3)
+#define	U_SKIN		(1<<4)
+#define	U_EFFECTS	(1<<5)
+#define	U_SOLID		(1<<6)		// the entity should be solid for prediction
+
+//==============================================
+
+// a sound with no channel is a local only sound
+// the sound field has bits 0-2: channel, 3-12: entity
+#define	SND_VOLUME		(1<<15)		// a byte
+#define	SND_ATTENUATION	(1<<14)		// a byte
+
+#define DEFAULT_SOUND_PACKET_VOLUME 255
+#define DEFAULT_SOUND_PACKET_ATTENUATION 1.0
+
+// svc_print messages have an id, so messages can be filtered
+#define	PRINT_LOW			0
+#define	PRINT_MEDIUM		1
+#define	PRINT_HIGH			2
+#define	PRINT_CHAT			3	// also go to chat buffer
+
+//
+// temp entity events
+//
+#define	TE_SPIKE			0
+#define	TE_SUPERSPIKE		1
+#define	TE_GUNSHOT			2
+#define	TE_EXPLOSION		3
+#define	TE_TAREXPLOSION		4
+#define	TE_LIGHTNING1		5
+#define	TE_LIGHTNING2		6
+#define	TE_WIZSPIKE			7
+#define	TE_KNIGHTSPIKE		8
+#define	TE_LIGHTNING3		9
+#define	TE_LAVASPLASH		10
+#define	TE_TELEPORT			11
+#define	TE_BLOOD			12
+#define	TE_LIGHTNINGBLOOD	13
+
+
+/*
+==========================================================
+
+  ELEMENTS COMMUNICATED ACROSS THE NET
+
+==========================================================
+*/
+
+#define	MAX_CLIENTS		32
+
+#define	UPDATE_BACKUP	64	// copies of entity_state_t to keep buffered
+							// must be power of two
+#define	UPDATE_MASK		(UPDATE_BACKUP-1)
+
+// entity_state_t is the information conveyed from the server
+// in an update message
+typedef struct
+{
+	int		number;			// edict index
+
+	int		flags;			// nolerp, etc
+	vec3_t	origin;
+	vec3_t	angles;
+	int		modelindex;
+	int		frame;
+	int		colormap;
+	int		skinnum;
+	int		effects;
+} entity_state_t;
+
+
+#define	MAX_PACKET_ENTITIES	64	// doesn't count nails
+typedef struct
+{
+	int		num_entities;
+	entity_state_t	entities[MAX_PACKET_ENTITIES];
+} packet_entities_t;
+
+typedef struct usercmd_s
+{
+	byte	msec;
+	vec3_t	angles;
+	short	forwardmove, sidemove, upmove;
+	byte	buttons;
+	byte	impulse;
+} usercmd_t;
+