#include "quakedef.h"

static const char *svc_strings[] = {
	[svc_bad] = "svc_bad",
	[svc_nop] = "svc_nop",
	[svc_disconnect] = "svc_disconnect",
	[svc_updatestat] = "svc_updatestat",
	[svc_version] = "svc_version", // [long] server version
	[svc_setview] = "svc_setview", // [short] entity number
	[svc_sound] = "svc_sound", // <see code>
	[svc_time] = "svc_time", // [float] server time
	[svc_print] = "svc_print", // [string] null terminated string
	[svc_stufftext] = "svc_stufftext", // [string] stuffed into client's console buffer
									   // the string should be \n terminated
	[svc_setangle] = "svc_setangle", // [vec3] set the view angle to this absolute value
	[svc_serverinfo] = "svc_serverinfo", // [long] version
										 // [string] signon string
										 // [string]..[0]model cache [string]...[0]sounds cache
										 // [string]..[0]item cache
	[svc_lightstyle] = "svc_lightstyle", // [byte] [string]
	[svc_updatename] = "svc_updatename", // [byte] [string]
	[svc_updatefrags] = "svc_updatefrags", // [byte] [short]
	[svc_clientdata] = "svc_clientdata", // <shortbits + data>
	[svc_stopsound] = "svc_stopsound", // <see code>
	[svc_updatecolors] = "svc_updatecolors", // [byte] [byte]
	[svc_particle] = "svc_particle", // [vec3] <variable>
	[svc_damage] = "svc_damage", // [byte] impact [byte] blood [vec3] from
	[svc_spawnstatic] = "svc_spawnstatic",
	[svc_spawnbinary] = "OBSOLETE svc_spawnbinary",
	[svc_spawnbaseline] = "svc_spawnbaseline",
	[svc_temp_entity] = "svc_temp_entity", // <variable>
	[svc_setpause] = "svc_setpause",
	[svc_signonnum] = "svc_signonnum",
	[svc_centerprint] = "svc_centerprint",
	[svc_killedmonster] = "svc_killedmonster",
	[svc_foundsecret] = "svc_foundsecret",
	[svc_spawnstaticsound] = "svc_spawnstaticsound",
	[svc_intermission] = "svc_intermission",
	[svc_finale] = "svc_finale", // [string] music [string] text
	[svc_cdtrack] = "svc_cdtrack", // [byte] track [byte] looptrack
	[svc_sellscreen] = "svc_sellscreen",
	[svc_cutscene] = "svc_cutscene",
	[svc_spawnbaseline2] = "svc_spawnbaseline2",
	[svc_spawnstatic2] = "svc_spawnstatic2",
	[svc_spawnstaticsound2] = "svc_spawnstaticsound2",
	[svc_showlmp] = "svc_showlmp",
	[svc_hidelmp] = "svc_hidelmp",
	[svc_skybox] = "svc_skybox",
	[svc_skyboxsize] = "svc_skyboxsize",
	[svc_fog] = "svc_fog",
};

/* This error checks and tracks the total number of entities */
static entity_t *
CL_EntityNum(int num)
{
	if(num >= cl.num_entities) {
		if(num >= MAX_EDICTS)
			Host_Error("CL_EntityNum: %d is an invalid number", num);
		while(cl.num_entities <= num) {
			cl_entities[cl.num_entities].colormap = vid.colormap;
			cl.num_entities++;
		}
	}

	return &cl_entities[num];
}

static void
CL_ParseStartSoundPacket(void)
{
	int channel, ent, sound_num, field_mask;
	float volume, attenuation;
	vec3_t pos;

	field_mask = MSG_ReadByte();
	volume = (field_mask & SND_VOLUME) ? MSG_ReadByte() : Spktvol;
	attenuation = (field_mask & SND_ATTENUATION) ? MSG_ReadByte() / 64.0 : Spktatt;
	if(field_mask & (cl.protocol.fl_large_entity | cl.protocol.fl_large_channel)) {
		ent = MSG_ReadShort();
		channel = MSG_ReadByte();
	} else {
		channel = MSG_ReadShort();
		ent = channel >> 3;
		channel &= 7;
	}
	sound_num = (field_mask & cl.protocol.fl_large_sound) ? MSG_ReadShort() : MSG_ReadByte();

	if(ent >= MAX_EDICTS)
		Host_Error("CL_ParseStartSoundPacket: ent = %d", ent);

	MSG_ReadVec(cl.protocol, pos);
	startsfx(ent, channel, cl.sound_precache[sound_num], pos, volume / 255.0, attenuation);
}

/*
 * When the client is taking a long time to load stuff, send keepalive messages
 * so the server doesn't disconnect.
 */
static void
CL_KeepaliveMessage(void)
{
	static byte olddata[NET_MAXMESSAGE];
	static float lastmsg;
	sizebuf_t old;
	float time;
	int ret;

	if(sv.active)
		return; // no need if server is local
	if(cls.demoplayback)
		return;

	// read messages from server, should just be nops
	old = net_message;
	memmove(olddata, net_message.data, net_message.cursize);

	do {
		ret = readcl();
		switch(ret) {
		default:
			Host_Error("CL_KeepaliveMessage: readcl failed");
		case 0:
			break; // nothing waiting
		case 1:
			Host_Error("CL_KeepaliveMessage: received a message");
			break;
		case 2:
			if(MSG_ReadByte() != svc_nop)
				Host_Error("CL_KeepaliveMessage: datagram wasn't a nop");
			break;
		}
	} while(ret);

	net_message = old;
	memmove(net_message.data, olddata, net_message.cursize);

	// check time
	time = dtime();
	if(time - lastmsg < 5)
		return;
	lastmsg = time;

	// write out a nop
	Con_Printf("--> client to server keepalive\n");

	MSG_WriteByte(&cls.message, clc_nop);
	NET_SendMessage(cls.netcon, &cls.message);
	SZ_Clear(&cls.message);
}

static void
CL_ParseServerInfo(void)
{
	static char model_precache[MAX_MODELS][Npath], sound_precache[MAX_SOUNDS][Npath];
	int i, n, nummodels, numsounds;
	char *str, *e;
	void *p;

	Con_DPrintf("CL_ParseServerInfo: parsing serverinfo pkt...\n");
	CL_ClearState();

	// parse protocol version number
	i = MSG_ReadLong();
	p = nil;
	for(n = 0; n < nelem(protos); n++) {
		if(protos[n].version == i) {
			p = &protos[n];
			break;
		}
	}
	if(p == nil) {
		Con_Printf("Server returned unknown protocol version %d", i);
		return;
	}
	memmove(&cl.protocol, p, sizeof(cl.protocol));
	cl.protocol.MSG_ReadProtocolInfo(&cl.protocol);

	// parse maxclients
	cl.maxclients = MSG_ReadByte();
	if(cl.maxclients < 1 || cl.maxclients > MAX_SCOREBOARD) {
		Con_Printf("Bad maxclients (%d) from server\n", cl.maxclients);
		return;
	}
	cl.scores = Hunk_Alloc(cl.maxclients * sizeof(*cl.scores));

	// parse gametype
	cl.gametype = MSG_ReadByte();

	// parse signon message
	str = MSG_ReadString();
	strncpy(cl.levelname, str, sizeof(cl.levelname) - 1);

	// seperate the printfs so the server message can have a color
	Con_Printf(
		"\n\n\35\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36"
		"\36\36\36\36\36\36\36\36\37\n\n"
	);
	Con_Printf("%c%s\n", 2, str);

	// first we go through and touch all of the precache data that still
	// happens to be in the cache, so precaching something else doesn't
	// needlessly purge it

	// precache models
	memset(cl.model_precache, 0, sizeof(cl.model_precache));
	for(nummodels = 1;; nummodels++) {
		str = MSG_ReadString();
		if(!str[0])
			break;
		if(nummodels == MAX_MODELS) {
			Con_Printf("Server sent too many model precaches\n");
			return;
		}
		strcpy(model_precache[nummodels], str);
		Mod_TouchModel(str);
	}

	// precache sounds
	memset(cl.sound_precache, 0, sizeof(cl.sound_precache));
	sfxbegin();
	for(numsounds = 1;; numsounds++) {
		str = MSG_ReadString();
		if(!str[0])
			break;
		if(numsounds == MAX_SOUNDS) {
			Con_Printf("Server sent too many sound precaches\n");
			return;
		}
		strcpy(sound_precache[numsounds], str);
		touchsfx(str);
	}
	sfxend();

	// now we try to load everything else until a cache allocation fails
	for(i = 1; i < nummodels; i++) {
		cl.model_precache[i] = Mod_ForName(model_precache[i], false);
		if(cl.model_precache[i] == nil) {
			Con_Printf("Model %s not found\n", model_precache[i]);
			return;
		}
		CL_KeepaliveMessage();
	}

	for(i = 1; i < numsounds; i++) {
		cl.sound_precache[i] = precachesfx(sound_precache[i]);
		CL_KeepaliveMessage();
	}

	// local state
	cl_entities[0].model = cl.worldmodel = cl.model_precache[1];
	if((str = strchr(model_precache[1], '/')) != nil) {
		str++;
		if((e = strrchr(model_precache[1], '.')) != nil)
			*e = 0;
	}
	setcvar("mapname", str == nil ? "<invalid>" : str);

	R_NewMap();
	V_NewMap();
	CL_NewMap();

	noclip_anglehack = false; // noclip is turned off at start
}

/*
 * Parse an entity update message from the server
 * If an entities model or origin changes from frame to frame, it must be
 * relinked.  Other attributes can change without relinking.
 */
static void
CL_ParseUpdate(int bits)
{
	int modnum, num, skin, colormap;
	model_t *model;
	bool forcelink;
	entity_t *ent;

	if(cls.signon == SIGNONS - 1) { // first update is the final signon stage
		cls.signon = SIGNONS;
		CL_SignonReply();
	}

	if(bits & U_MOREBITS) {
		bits |= MSG_ReadByte() << 8;
		if(bits & U_MOREBITS2) {
			bits |= MSG_ReadByte() << 16;
			if(bits & U_MOREBITS3)
				bits |= MSG_ReadByte() << 24;
		}
		if(bits == -1)
			Host_Error("CL_ParseUpdate: unexpected EOF while reading extended bits");
	}

	num = (bits & U_LONGENTITY) ? MSG_ReadShort() : MSG_ReadByte();
	ent = CL_EntityNum(num);

	forcelink = ent->msgtime != cl.mtime[1]; // no previous frame to lerp from
	ent->msgtime = cl.mtime[0];

	// shift the known values for interpolation
	VectorCopy(ent->msg_origins[0], ent->msg_origins[1]);
	VectorCopy(ent->msg_angles[0], ent->msg_angles[1]);

	modnum = (bits & U_MODEL) ? MSG_ReadByte() : ent->baseline.modelindex;
	ent->frame = (bits & U_FRAME) ? MSG_ReadByte() : ent->baseline.frame;
	colormap = (bits & U_COLORMAP) ? MSG_ReadByte() : ent->baseline.colormap;
	skin = (bits & U_SKIN) ? MSG_ReadByte() : ent->baseline.skin;
	ent->effects = (bits & U_EFFECTS) ? MSG_ReadByte() : ent->baseline.effects;

	if(colormap == 0)
		ent->colormap = vid.colormap;
	else if(colormap > cl.maxclients)
		fatal("colormap > cl.maxclients");
	else
		ent->colormap = cl.scores[colormap - 1].translations;

	if(skin != ent->skinnum && num >= 0) {
		// FIXME(sigrid): update the skin
		ent->skinnum = skin;
	}

	ent->msg_origins[0][0] =
		(bits & U_ORIGIN1) ? cl.protocol.MSG_ReadCoord() : ent->baseline.origin[0];
	ent->msg_angles[0][0] =
		(bits & U_ANGLE1) ? cl.protocol.MSG_ReadAngle() : ent->baseline.angles[0];
	ent->msg_origins[0][1] =
		(bits & U_ORIGIN2) ? cl.protocol.MSG_ReadCoord() : ent->baseline.origin[1];
	ent->msg_angles[0][1] =
		(bits & U_ANGLE2) ? cl.protocol.MSG_ReadAngle() : ent->baseline.angles[1];
	ent->msg_origins[0][2] =
		(bits & U_ORIGIN3) ? cl.protocol.MSG_ReadCoord() : ent->baseline.origin[2];
	ent->msg_angles[0][2] =
		(bits & U_ANGLE3) ? cl.protocol.MSG_ReadAngle() : ent->baseline.angles[2];

	ent->alpha = (bits & cl.protocol.fl_alpha) ? MSG_ReadByte() : ent->baseline.alpha;

	if(bits & U_NOLERP)
		ent->forcelink = true;

	if(bits & cl.protocol.fl_large_frame)
		ent->frame |= MSG_ReadByte() << 8;
	if(bits & cl.protocol.fl_large_model)
		modnum |= MSG_ReadByte() << 8;

	if(modnum < 0 || modnum >= MAX_MODELS)
		Host_Error("CL_ParseModel: bad modnum: %d (bits 0x%08ux)", modnum, bits);
	model = cl.model_precache[modnum];
	if(model != ent->model) {
		ent->model = model;
		// automatic animation (torches, etc) can be either all together
		// or randomized
		if(model) {
			if(model->synctype == ST_RAND)
				ent->syncbase = (float)(rand() & 0x7fff) / 0x7fff;
			else
				ent->syncbase = 0.0;
		} else
			forcelink = true; // hack to make null model players work
	}

	if(forcelink) { // didn't have an update last message
		VectorCopy(ent->msg_origins[0], ent->msg_origins[1]);
		VectorCopy(ent->msg_origins[0], ent->origin);
		VectorCopy(ent->msg_angles[0], ent->msg_angles[1]);
		VectorCopy(ent->msg_angles[0], ent->angles);
		ent->forcelink = true;
	}
}

static void
CL_ParseBaseline(int withbits, entity_t *ent)
{
	int i, bits;

	bits = withbits ? MSG_ReadByte() : 0;
	ent->baseline.modelindex =
		(bits & cl.protocol.fl_large_baseline_model) ? MSG_ReadShort() : MSG_ReadByte();
	ent->baseline.frame =
		(bits & cl.protocol.fl_large_baseline_frame) ? MSG_ReadShort() : MSG_ReadByte();
	ent->baseline.colormap = MSG_ReadByte();
	ent->baseline.skin = MSG_ReadByte();
	for(i = 0; i < 3; i++) {
		ent->baseline.origin[i] = cl.protocol.MSG_ReadCoord();
		ent->baseline.angles[i] = cl.protocol.MSG_ReadAngle();
	}
	ent->baseline.alpha = (bits & cl.protocol.fl_baseline_alpha) ? MSG_ReadByte() : DEFAULT_ALPHA;
	ent->baseline.effects = (bits & cl.protocol.fl_baseline_effects) ? MSG_ReadByte() : 0;
}

/* Server information pertaining to this client only */
static void
CL_ParseClientdata(unsigned int bits)
{
	unsigned int i, j, weaponmodel;

	if(bits & SU_MOREBITS) {
		bits |= MSG_ReadByte() << 16;
		if(bits & SU_MOREBITS2)
			bits |= MSG_ReadByte() << 24;
	}

	cl.viewheight = (bits & SU_VIEWHEIGHT) ? MSG_ReadChar() : DEFAULT_VIEWHEIGHT;
	cl.idealpitch = (bits & SU_IDEALPITCH) ? MSG_ReadChar() : 0;

	VectorCopy(cl.mvelocity[0], cl.mvelocity[1]);
	for(i = 0; i < 3; i++) {
		cl.punchangle[i] = (bits & (SU_PUNCH1 << i)) ? MSG_ReadChar() : 0;
		cl.mvelocity[0][i] = (bits & (SU_VELOCITY1 << i)) ? MSG_ReadChar() * 16 : 0;
	}

	i = (bits & SU_ITEMS) ? (unsigned)MSG_ReadLong() : cl.items;
	if(cl.items != i) { // set flash times
		for(j = 0; j < 32; j++)
			if((i & (1U << j)) && !(cl.items & (1U << j)))
				cl.item_gettime[j] = cl.time;
		cl.items = i;
	}

	cl.onground = (bits & SU_ONGROUND) != 0;
	cl.inwater = (bits & SU_INWATER) != 0;
	cl.stats[STAT_WEAPONFRAME] = (bits & SU_WEAPONFRAME) ? MSG_ReadByte() : 0;
	cl.stats[STAT_ARMOR] = (bits & SU_ARMOR) ? MSG_ReadByte() : 0;
	weaponmodel = (bits & SU_WEAPON) ? MSG_ReadByte() : 0;
	cl.stats[STAT_HEALTH] = MSG_ReadShort();
	cl.stats[STAT_AMMO] = MSG_ReadByte();

	for(i = 0; i < 4; i++)
		cl.stats[STAT_SHELLS + i] = MSG_ReadByte();

	i = MSG_ReadByte();
	cl.stats[STAT_ACTIVEWEAPON] = standard_quake ? i : (1U << i);

	if(bits & cl.protocol.fl_large_weaponmodel)
		weaponmodel |= MSG_ReadByte() << 8;
	cl.stats[STAT_WEAPON] = weaponmodel;

	if(bits & cl.protocol.fl_large_weaponframe)
		cl.stats[STAT_WEAPONFRAME] |= MSG_ReadByte() << 8;
	cl.viewent.alpha = (bits & cl.protocol.fl_weapon_alpha) ? MSG_ReadByte() : DEFAULT_ALPHA;

	if(cl.viewent.model != cl.model_precache[cl.stats[STAT_WEAPON]]) {
		// FIXME(sigrid) - reset lerp
	}
}

static void
CL_NewTranslation(int slot)
{
	int i, j, top, bottom;
	pixel_t *dest, *source;

	if(slot > cl.maxclients)
		fatal("CL_NewTranslation: slot > cl.maxclients");
	dest = cl.scores[slot].translations;
	source = vid.colormap;
	memmove(dest, vid.colormap, sizeof(cl.scores[slot].translations));
	top = cl.scores[slot].colors & 0xf0;
	bottom = (cl.scores[slot].colors & 15) << 4;

	for(i = 0; i < VID_GRADES; i++, dest += 256, source += 256) {
		if(top < 128) // the artists made some backwards ranges.  sigh.
			memmove(dest + TOP_RANGE, source + top, 16 * sizeof(pixel_t));
		else
			for(j = 0; j < 16; j++)
				dest[TOP_RANGE + j] = source[top + 15 - j];

		if(bottom < 128)
			memmove(dest + BOTTOM_RANGE, source + bottom, 16 * sizeof(pixel_t));
		else
			for(j = 0; j < 16; j++)
				dest[BOTTOM_RANGE + j] = source[bottom + 15 - j];
	}
}

static void
CL_ParseStatic(int withbits)
{
	entity_t *ent;
	int i;

	i = cl.num_statics;
	if(i >= MAX_STATIC_ENTITIES)
		Host_Error("Too many static entities");
	ent = &cl_static_entities[i];
	cl.num_statics++;
	CL_ParseBaseline(withbits, ent);

	// copy it to the current state
	ent->model = cl.model_precache[ent->baseline.modelindex];
	ent->alpha = ent->baseline.alpha;
	ent->frame = ent->baseline.frame;
	ent->colormap = vid.colormap;
	ent->skinnum = ent->baseline.skin;
	ent->effects = ent->baseline.effects;

	VectorCopy(ent->baseline.origin, ent->origin);
	VectorCopy(ent->baseline.angles, ent->angles);
	R_AddEfrags(ent);
}

static void
CL_ParseStaticSound(int large_sound)
{
	float vol, atten;
	int sound_num;
	vec3_t org;

	MSG_ReadVec(cl.protocol, org);
	sound_num = large_sound ? MSG_ReadShort() : MSG_ReadByte();
	vol = MSG_ReadByte() / 255.0;
	atten = MSG_ReadByte() / 64.0;

	staticsfx(cl.sound_precache[sound_num], org, vol, atten);
}

#define SHOWNET(x) \
	if(cl_shownet.value == 2) \
		Con_Printf("%3d:%s\n", msg_readcount - 1, x);

void
CL_ParseServerMessage(void)
{
	int cmd, i, n;
	protocol_t *p;

	// if recording demos, copy the message out
	if(cl_shownet.value == 1)
		Con_Printf("%d ", net_message.cursize);
	else if(cl_shownet.value == 2)
		Con_Printf("------------------\n");

	cl.onground = false; // unless the server says otherwise

	// parse the message
	MSG_BeginReading();

	while(1) {
		if(msg_badread)
			Host_Error("CL_ParseServerMessage: Bad server message");

		cmd = MSG_ReadByte();

		if(cmd < 0) {
			SHOWNET("END OF MESSAGE");
			return; // end of message
		}

		// if the high bit of the command byte is set, it is a fast update
		if(cmd & U_SIGNAL) {
			SHOWNET("fast update");
			CL_ParseUpdate(cmd);
			continue;
		}

		SHOWNET(svc_strings[cmd]);

		// other commands
		switch(cmd) {
		default:
			Host_Error("CL_ParseServerMessage: Illegible server message (cmd %d)\n", cmd);
			break;

		case svc_nop:
			break;

		case svc_time:
			cl.mtime[1] = cl.mtime[0];
			cl.mtime[0] = MSG_ReadFloat();
			break;

		case svc_clientdata:
			CL_ParseClientdata((u16int)MSG_ReadShort());
			break;

		case svc_version:
			i = MSG_ReadLong();
			for(p = nil, n = 0; n < nelem(protos); n++) {
				if(protos[n].version == i) {
					p = &protos[n];
					break;
				}
			}
			if(p == nil)
				Host_Error("CL_ParseServerMessage: server uses unknown protocol %d\n", i);
			if(p->version != cl.protocol.version)
				Host_Error(
					"CL_ParseServerMessage: server decided to switch protocol to %d mid-game?\n", i
				);
			break;

		case svc_disconnect:
			Host_EndGame("Server disconnected\n");

		case svc_print:
			Con_Printf("%s", MSG_ReadString());
			break;

		case svc_centerprint:
			SCR_CenterPrint(MSG_ReadString());
			break;

		case svc_stufftext:
			Cbuf_AddText(MSG_ReadString());
			break;

		case svc_damage:
			V_ParseDamage();
			break;

		case svc_serverinfo:
			CL_ParseServerInfo();
			vid.recalc_refdef = true; // leave intermission full screen
			break;

		case svc_setangle:
			for(i = 0; i < 3; i++)
				cl.viewangles[i] = cl.protocol.MSG_ReadAngle();
			break;

		case svc_setview:
			cl.viewentity = MSG_ReadShort();
			break;

		case svc_lightstyle:
			i = MSG_ReadByte();
			if(i >= Nlights)
				fatal("svc_lightstyle > Nlights");
			strcpy(cl_lightstyle[i].map, MSG_ReadString());
			cl_lightstyle[i].length = strlen(cl_lightstyle[i].map);
			break;

		case svc_sound:
			CL_ParseStartSoundPacket();
			break;

		case svc_stopsound:
			i = MSG_ReadShort();
			stopsfx(i >> 3, i & 7);
			break;

		case svc_updatename:
			i = MSG_ReadByte();
			if(i >= cl.maxclients)
				Host_Error("CL_ParseServerMessage: svc_updatename > MAX_SCOREBOARD");
			strcpy(cl.scores[i].name, MSG_ReadString());
			break;

		case svc_updatefrags:
			i = MSG_ReadByte();
			if(i >= cl.maxclients)
				Host_Error("CL_ParseServerMessage: svc_updatefrags > MAX_SCOREBOARD");
			cl.scores[i].frags = MSG_ReadShort();
			break;

		case svc_updatecolors:
			i = MSG_ReadByte();
			if(i >= cl.maxclients)
				Host_Error("CL_ParseServerMessage: svc_updatecolors > MAX_SCOREBOARD");
			cl.scores[i].colors = MSG_ReadByte();
			CL_NewTranslation(i);
			break;

		case svc_particle:
			R_ParseParticleEffect();
			break;

		case svc_spawnbaseline:
		case svc_spawnbaseline2:
			i = MSG_ReadShort();
			// must use CL_EntityNum() to force cl.num_entities up
			CL_ParseBaseline(cmd == svc_spawnbaseline2, CL_EntityNum(i));
			break;
		case svc_spawnstatic:
		case svc_spawnstatic2:
			CL_ParseStatic(cmd == svc_spawnstatic2);
			break;
		case svc_temp_entity:
			CL_ParseTEnt();
			break;

		case svc_setpause:
			cl.paused = MSG_ReadByte();
			if(cl.paused)
				pausecd();
			else
				resumecd();
			break;

		case svc_signonnum:
			i = MSG_ReadByte();
			if(i <= cls.signon)
				Host_Error("Received signon %d when at %d", i, cls.signon);
			cls.signon = i;
			CL_SignonReply();
			break;

		case svc_killedmonster:
			cl.stats[STAT_MONSTERS]++;
			break;

		case svc_foundsecret:
			cl.stats[STAT_SECRETS]++;
			break;

		case svc_updatestat:
			i = MSG_ReadByte();
			if(i < 0 || i >= MAX_CL_STATS)
				fatal("svc_updatestat: %d is invalid", i);
			cl.stats[i] = MSG_ReadLong();
			break;

		case svc_spawnstaticsound:
		case svc_spawnstaticsound2:
			CL_ParseStaticSound(cmd == svc_spawnstaticsound2);
			break;

		case svc_cdtrack:
			cl.cdtrack = MSG_ReadByte();
			MSG_ReadByte(); /* looptrack */
			if((cls.demoplayback || cls.demorecording) && cls.forcetrack > 0)
				playcd(cls.forcetrack, true);
			else
				playcd(cl.cdtrack, true);
			break;

		case svc_intermission:
			cl.intermission = 1;
			cl.completed_time = cl.time;
			vid.recalc_refdef = true; // go to full screen
			break;

		case svc_finale:
			cl.intermission = 2;
			cl.completed_time = cl.time;
			vid.recalc_refdef = true; // go to full screen
			SCR_CenterPrint(MSG_ReadString());
			break;

		case svc_cutscene:
			cl.intermission = 3;
			cl.completed_time = cl.time;
			vid.recalc_refdef = true; // go to full screen
			SCR_CenterPrint(MSG_ReadString());
			break;

		case svc_showlmp:
			MSG_ReadString(); // iconlabel
			MSG_ReadString(); // lmpfile
			MSG_ReadByte(); // x
			MSG_ReadByte(); // y
			break;

		case svc_hidelmp:
			MSG_ReadString(); // iconlabel
			break;

		case svc_skybox:
			R_LoadSkyBox(MSG_ReadString(), cl.worldmodel);
			break;

		case svc_skyboxsize:
			MSG_ReadCoord();
			break;

		case svc_fog:
			if(MSG_ReadByte() != 0) {
				Cbuf_InsertText(
					va("fog %.5f %f %f %f\n",
					   MSG_ReadFloat(),
					   MSG_ReadByte() / 255.0,
					   MSG_ReadByte() / 255.0,
					   MSG_ReadByte() / 255.0)
				);
			} else {
				Cbuf_InsertText("fog 0");
			}
			break;

		case svc_sellscreen:
			Cmd_ExecuteString("help", src_command);
			break;
		}
	}
}