cl_parse.c

著名游戏quake2原代码最新版本(vc6.0可以编译的)

		Com_sprintf (skin_filename, sizeof(skin_filename), "players/male/grunt.pcx");
		Com_sprintf (ci->iconname, sizeof(ci->iconname), "/players/male/grunt_i.pcx");
		ci->model = re.RegisterModel (model_filename);
		memset(ci->weaponmodel, 0, sizeof(ci->weaponmodel));
		ci->weaponmodel[0] = re.RegisterModel (weapon_filename);
		ci->skin = re.RegisterSkin (skin_filename);
		ci->icon = re.RegisterPic (ci->iconname);
	}
	else
	{
		// isolate the model name
		strcpy (model_name, s);
		t = strstr(model_name, "/");
		if (!t)
			t = strstr(model_name, "\\");
		if (!t)
			t = model_name;
		*t = 0;

		// isolate the skin name
		strcpy (skin_name, s + strlen(model_name) + 1);

		// model file
		Com_sprintf (model_filename, sizeof(model_filename), "players/%s/tris.md2", model_name);
		ci->model = re.RegisterModel (model_filename);
		if (!ci->model)
		{
			strcpy(model_name, "male");
			Com_sprintf (model_filename, sizeof(model_filename), "players/male/tris.md2");
			ci->model = re.RegisterModel (model_filename);
		}

		// skin file
		Com_sprintf (skin_filename, sizeof(skin_filename), "players/%s/%s.pcx", model_name, skin_name);
		ci->skin = re.RegisterSkin (skin_filename);

		// if we don't have the skin and the model wasn't male,
		// see if the male has it (this is for CTF's skins)
 		if (!ci->skin && Q_stricmp(model_name, "male"))
		{
			// change model to male
			strcpy(model_name, "male");
			Com_sprintf (model_filename, sizeof(model_filename), "players/male/tris.md2");
			ci->model = re.RegisterModel (model_filename);

			// see if the skin exists for the male model
			Com_sprintf (skin_filename, sizeof(skin_filename), "players/%s/%s.pcx", model_name, skin_name);
			ci->skin = re.RegisterSkin (skin_filename);
		}

		// if we still don't have a skin, it means that the male model didn't have
		// it, so default to grunt
		if (!ci->skin) {
			// see if the skin exists for the male model
			Com_sprintf (skin_filename, sizeof(skin_filename), "players/%s/grunt.pcx", model_name, skin_name);
			ci->skin = re.RegisterSkin (skin_filename);
		}

		// weapon file
		for (i = 0; i < num_cl_weaponmodels; i++) {
			Com_sprintf (weapon_filename, sizeof(weapon_filename), "players/%s/%s", model_name, cl_weaponmodels[i]);
			ci->weaponmodel[i] = re.RegisterModel(weapon_filename);
			if (!ci->weaponmodel[i] && strcmp(model_name, "cyborg") == 0) {
				// try male
				Com_sprintf (weapon_filename, sizeof(weapon_filename), "players/male/%s", cl_weaponmodels[i]);
				ci->weaponmodel[i] = re.RegisterModel(weapon_filename);
			}
			if (!cl_vwep->value)
				break; // only one when vwep is off
		}

		// icon file
		Com_sprintf (ci->iconname, sizeof(ci->iconname), "/players/%s/%s_i.pcx", model_name, skin_name);
		ci->icon = re.RegisterPic (ci->iconname);
	}

	// must have loaded all data types to be valud
	if (!ci->skin || !ci->icon || !ci->model || !ci->weaponmodel[0])
	{
		ci->skin = NULL;
		ci->icon = NULL;
		ci->model = NULL;
		ci->weaponmodel[0] = NULL;
		return;
	}
}

/*
================
CL_ParseClientinfo

Load the skin, icon, and model for a client
================
*/
void CL_ParseClientinfo (int player)
{
	char			*s;
	clientinfo_t	*ci;

	s = cl.configstrings[player+CS_PLAYERSKINS];

	ci = &cl.clientinfo[player];

	CL_LoadClientinfo (ci, s);
}


/*
================
CL_ParseConfigString
================
*/
void CL_ParseConfigString (void)
{
	int		i;
	char	*s;
	char	olds[MAX_QPATH];

	i = MSG_ReadShort (&net_message);
	if (i < 0 || i >= MAX_CONFIGSTRINGS)
		Com_Error (ERR_DROP, "configstring > MAX_CONFIGSTRINGS");
	s = MSG_ReadString(&net_message);

	strncpy (olds, cl.configstrings[i], sizeof(olds));
	olds[sizeof(olds) - 1] = 0;

	strcpy (cl.configstrings[i], s);

	// do something apropriate 

	if (i >= CS_LIGHTS && i < CS_LIGHTS+MAX_LIGHTSTYLES)
		CL_SetLightstyle (i - CS_LIGHTS);
	else if (i == CS_CDTRACK)
	{
		if (cl.refresh_prepped)
			CDAudio_Play (atoi(cl.configstrings[CS_CDTRACK]), true);
	}
	else if (i >= CS_MODELS && i < CS_MODELS+MAX_MODELS)
	{
		if (cl.refresh_prepped)
		{
			cl.model_draw[i-CS_MODELS] = re.RegisterModel (cl.configstrings[i]);
			if (cl.configstrings[i][0] == '*')
				cl.model_clip[i-CS_MODELS] = CM_InlineModel (cl.configstrings[i]);
			else
				cl.model_clip[i-CS_MODELS] = NULL;
		}
	}
	else if (i >= CS_SOUNDS && i < CS_SOUNDS+MAX_MODELS)
	{
		if (cl.refresh_prepped)
			cl.sound_precache[i-CS_SOUNDS] = S_RegisterSound (cl.configstrings[i]);
	}
	else if (i >= CS_IMAGES && i < CS_IMAGES+MAX_MODELS)
	{
		if (cl.refresh_prepped)
			cl.image_precache[i-CS_IMAGES] = re.RegisterPic (cl.configstrings[i]);
	}
	else if (i >= CS_PLAYERSKINS && i < CS_PLAYERSKINS+MAX_CLIENTS)
	{
		if (cl.refresh_prepped && strcmp(olds, s))
			CL_ParseClientinfo (i-CS_PLAYERSKINS);
	}
}


/*
=====================================================================

ACTION MESSAGES

=====================================================================
*/

/*
==================
CL_ParseStartSoundPacket
==================
*/
void CL_ParseStartSoundPacket(void)
{
    vec3_t  pos_v;
	float	*pos;
    int 	channel, ent;
    int 	sound_num;
    float 	volume;
    float 	attenuation;  
	int		flags;
	float	ofs;

	flags = MSG_ReadByte (&net_message);
	sound_num = MSG_ReadByte (&net_message);

    if (flags & SND_VOLUME)
		volume = MSG_ReadByte (&net_message) / 255.0;
	else
		volume = DEFAULT_SOUND_PACKET_VOLUME;
	
    if (flags & SND_ATTENUATION)
		attenuation = MSG_ReadByte (&net_message) / 64.0;
	else
		attenuation = DEFAULT_SOUND_PACKET_ATTENUATION;	

    if (flags & SND_OFFSET)
		ofs = MSG_ReadByte (&net_message) / 1000.0;
	else
		ofs = 0;

	if (flags & SND_ENT)
	{	// entity reletive
		channel = MSG_ReadShort(&net_message); 
		ent = channel>>3;
		if (ent > MAX_EDICTS)
			Com_Error (ERR_DROP,"CL_ParseStartSoundPacket: ent = %i", ent);

		channel &= 7;
	}
	else
	{
		ent = 0;
		channel = 0;
	}

	if (flags & SND_POS)
	{	// positioned in space
		MSG_ReadPos (&net_message, pos_v);
 
		pos = pos_v;
	}
	else	// use entity number
		pos = NULL;

	if (!cl.sound_precache[sound_num])
		return;

	S_StartSound (pos, ent, channel, cl.sound_precache[sound_num], volume, attenuation, ofs);
}       


void SHOWNET(char *s)
{
	if (cl_shownet->value>=2)
		Com_Printf ("%3i:%s\n", net_message.readcount-1, s);
}

/*
=====================
CL_ParseServerMessage
=====================
*/
void CL_ParseServerMessage (void)
{
	int			cmd;
	char		*s;
	int			i;

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


//
// parse the message
//
	while (1)
	{
		if (net_message.readcount > net_message.cursize)
		{
			Com_Error (ERR_DROP,"CL_ParseServerMessage: Bad server message");
			break;
		}

		cmd = MSG_ReadByte (&net_message);

		if (cmd == -1)
		{
			SHOWNET("END OF MESSAGE");
			break;
		}

		if (cl_shownet->value>=2)
		{
			if (!svc_strings[cmd])
				Com_Printf ("%3i:BAD CMD %i\n", net_message.readcount-1,cmd);
			else
				SHOWNET(svc_strings[cmd]);
		}
	
	// other commands
		switch (cmd)
		{
		default:
			Com_Error (ERR_DROP,"CL_ParseServerMessage: Illegible server message\n");
			break;
			
		case svc_nop:
//			Com_Printf ("svc_nop\n");
			break;
			
		case svc_disconnect:
			Com_Error (ERR_DISCONNECT,"Server disconnected\n");
			break;

		case svc_reconnect:
			Com_Printf ("Server disconnected, reconnecting\n");
			if (cls.download) {
				//ZOID, close download
				fclose (cls.download);
				cls.download = NULL;
			}
			cls.state = ca_connecting;
			cls.connect_time = -99999;	// CL_CheckForResend() will fire immediately
			break;

		case svc_print:
			i = MSG_ReadByte (&net_message);
			if (i == PRINT_CHAT)
			{
				S_StartLocalSound ("misc/talk.wav");
				con.ormask = 128;
			}
			Com_Printf ("%s", MSG_ReadString (&net_message));
			con.ormask = 0;
			break;
			
		case svc_centerprint:
			SCR_CenterPrint (MSG_ReadString (&net_message));
			break;
			
		case svc_stufftext:
			s = MSG_ReadString (&net_message);
			Com_DPrintf ("stufftext: %s\n", s);
			Cbuf_AddText (s);
			break;
			
		case svc_serverdata:
			Cbuf_Execute ();		// make sure any stuffed commands are done
			CL_ParseServerData ();
			break;
			
		case svc_configstring:
			CL_ParseConfigString ();
			break;
			
		case svc_sound:
			CL_ParseStartSoundPacket();
			break;
			
		case svc_spawnbaseline:
			CL_ParseBaseline ();
			break;

		case svc_temp_entity:
			CL_ParseTEnt ();
			break;

		case svc_muzzleflash:
			CL_ParseMuzzleFlash ();
			break;

		case svc_muzzleflash2:
			CL_ParseMuzzleFlash2 ();
			break;

		case svc_download:
			CL_ParseDownload ();
			break;

		case svc_frame:
			CL_ParseFrame ();
			break;

		case svc_inventory:
			CL_ParseInventory ();
			break;

		case svc_layout:
			s = MSG_ReadString (&net_message);
			strncpy (cl.layout, s, sizeof(cl.layout)-1);
			break;

		case svc_playerinfo:
		case svc_packetentities:
		case svc_deltapacketentities:
			Com_Error (ERR_DROP, "Out of place frame data");
			break;
		}
	}

	CL_AddNetgraph ();

	//
	// we don't know if it is ok to save a demo message until
	// after we have parsed the frame
	//
	if (cls.demorecording && !cls.demowaiting)
		CL_WriteDemoMessage ();

}