ref: bcd7bbc429073a5683d89abcec6613bc1d6f6f1d
dir: /protocol.h/
// protocol.h -- communications protocols
enum {
PROTO_NQ,
PROTO_RMQ,
PROTO_NUM,
};
// these are the only ones supported with RMQ atm
enum {
PF_RMQ_ANGLE_INT16 = 1<<1,
PF_RMQ_COORD_INT32 = 1<<7,
};
enum {
DEFAULT_ALPHA,
ZERO_ALPHA,
};
#define defalpha(a) ((a) == DEFAULT_ALPHA || (a) == 0xff)
#define zeroalpha(a) (!defalpha(a) && (a) <= ZERO_ALPHA)
#define f2alpha(f) ((f) == 0.0 ? DEFAULT_ALPHA : clamp((f)*254+1, 1, 255))
#define alpha2f(a) (zeroalpha(a) ? 0.0 : (float)(a)/255.0)
typedef struct protocol_t protocol_t;
struct protocol_t {
int version;
int flags;
char *name;
// flexible limits - messages change
u32int fl_large_entity;
int large_entity;
u32int fl_large_channel;
int large_channel;
u32int fl_large_sound;
int large_sound;
u32int fl_large_frame;
int large_frame;
u32int fl_large_model;
int large_model;
u32int fl_large_weaponframe;
u32int fl_large_weaponmodel;
u32int fl_large_baseline_model;
u32int fl_large_baseline_frame;
u32int fl_alpha;
u32int fl_baseline_alpha;
u32int fl_weapon_alpha;
u32int fl_baseline_effects; /* FIXME(sigrid): this is absolutely made up and NOT a standard anywhere */
// absolute limits for the protocol
int limit_entity;
int limit_channel;
int limit_model;
int limit_frame;
int limit_sound;
void (*MSG_WriteCoord)(sizebuf_t *sb, float f);
void (*MSG_WriteAngle)(sizebuf_t *sb, float f);
float (*MSG_ReadCoord)(void);
float (*MSG_ReadAngle)(void);
void (*MSG_WriteProtocolInfo)(sizebuf_t *sb, protocol_t *proto);
void (*MSG_ReadProtocolInfo)(protocol_t *proto);
};
extern protocol_t protos[PROTO_NUM];
// defaults for clientinfo messages
#define DEFAULT_VIEWHEIGHT 22
// if the high bit of the servercmd is set, the low bits are fast update flags:
enum {
// game types sent by serverinfo
// these determine which intermission screen plays
GAME_COOP = 0,
GAME_DEATHMATCH,
U_MOREBITS = 1<<0,
U_ORIGIN1 = 1<<1,
U_ORIGIN2 = 1<<2,
U_ORIGIN3 = 1<<3,
U_ANGLE2 = 1<<4,
U_NOLERP = 1<<5, // don't interpolate movement
U_FRAME = 1<<6,
U_SIGNAL = 1<<7, // just differentiates from other updates
// svc_update can pass all of the fast update bits, plus more
U_ANGLE1 = 1<<8,
U_ANGLE3 = 1<<9,
U_MODEL = 1<<10,
U_COLORMAP = 1<<11,
U_SKIN = 1<<12,
U_EFFECTS = 1<<13,
U_LONGENTITY = 1<<14,
U_MOREBITS2 = 1<<15,
// some of the bits here (1<<16…1<<22) are reserved by specific protocols
U_MOREBITS3 = 1<<23,
SU_VIEWHEIGHT = 1<<0,
SU_IDEALPITCH = 1<<1,
SU_PUNCH1 = 1<<2,
SU_PUNCH2 = 1<<3,
SU_PUNCH3 = 1<<4,
SU_VELOCITY1 = 1<<5,
SU_VELOCITY2 = 1<<6,
SU_VELOCITY3 = 1<<7,
//SU_AIMENT = 1<<8, AVAILABLE BIT
SU_ITEMS = 1<<9,
SU_ONGROUND = 1<<10, // no data follows, the bit is it
SU_INWATER = 1<<11, // no data follows, the bit is it
SU_WEAPONFRAME = 1<<12,
SU_ARMOR = 1<<13,
SU_WEAPON = 1<<14,
SU_MOREBITS = 1<<15,
// some of the bits here (1<<16…1<<22) are reserved by specific protocols
SU_MOREBITS2 = 1<<23,
// a sound with no channel is a local only sound
SND_VOLUME = 1<<0, // a byte
SND_ATTENUATION = 1<<1, // a byte
SND_LOOPING = 1<<2, // a long
// server to client
svc_bad = 0,
svc_nop,
svc_disconnect,
svc_updatestat, // [byte] [long]
svc_version, // [long] server version
svc_setview, // [short] entity number
svc_sound, // <see code>
svc_time, // [float] server time
svc_print, // [string] null terminated string
svc_stufftext, // [string] stuffed into client's console buffer
// the string should be \n terminated
svc_setangle, // [angle3] set the view angle to this absolute value
svc_serverinfo, // [long] version
// [string] signon string
// [string]..[0]model cache
// [string]...[0]sounds cache
svc_lightstyle, // [byte] [string]
svc_updatename, // [byte] [string]
svc_updatefrags, // [byte] [short]
svc_clientdata, // <shortbits + data>
svc_stopsound, // <see code>
svc_updatecolors, // [byte] [byte]
svc_particle, // [vec3] <variable>
svc_damage,
svc_spawnstatic,
svc_spawnbinary, // unused
svc_spawnbaseline,
svc_temp_entity,
svc_setpause, // [byte] on / off
svc_signonnum, // [byte] used for the signon sequence
svc_centerprint, // [string] to put in center of the screen
svc_killedmonster,
svc_foundsecret,
svc_spawnstaticsound, // [coord3] [byte] samp [byte] vol [byte] aten
svc_intermission, // [string] music
svc_finale, // [string] music [string] text
svc_cdtrack, // [byte] track [byte] looptrack
svc_sellscreen,
svc_cutscene,
// non-NQ stuff
svc_spawnbaseline2 = 42,
svc_spawnstatic2,
svc_spawnstaticsound2,
// Nehahra
svc_showlmp = 35, // [string] iconlabel [string] lmpfile [byte] x [byte] y
svc_hidelmp, // [string] iconlabel
svc_skybox, // [string] skyname
svc_skyboxsize = 50, // [coord] size
svc_fog, // [byte] enabled; if enabled: [float] density [byte] R [byte] G [byte] B
// client to server
clc_bad = 0,
clc_nop,
clc_disconnect,
clc_move, // [usercmd_t]
clc_stringcmd, // [string] message
// temp entity events
TE_SPIKE = 0,
TE_SUPERSPIKE,
TE_GUNSHOT,
TE_EXPLOSION,
TE_TAREXPLOSION,
TE_LIGHTNING1,
TE_LIGHTNING2,
TE_WIZSPIKE,
TE_KNIGHTSPIKE,
TE_LIGHTNING3,
TE_LAVASPLASH,
TE_TELEPORT,
TE_EXPLOSION2,
TE_BEAM,
};