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https://github.com/id-Software/Quake.git
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The Quake sources as originally release under the GPL license on December 21, 1999
This commit is contained in:
Travis Bradshaw
757
WinQuake/cl_main.c
Normal file
757
WinQuake/cl_main.c
Normal file
@@ -0,0 +1,757 @@
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/*
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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||||
modify it under the terms of the GNU General Public License
|
||||
as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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||||
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See the GNU General Public License for more details.
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||||
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||||
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.
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*/
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// cl_main.c -- client main loop
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#include "quakedef.h"
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// we need to declare some mouse variables here, because the menu system
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// references them even when on a unix system.
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// these two are not intended to be set directly
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cvar_t cl_name = {"_cl_name", "player", true};
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cvar_t cl_color = {"_cl_color", "0", true};
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cvar_t cl_shownet = {"cl_shownet","0"}; // can be 0, 1, or 2
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cvar_t cl_nolerp = {"cl_nolerp","0"};
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cvar_t lookspring = {"lookspring","0", true};
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cvar_t lookstrafe = {"lookstrafe","0", true};
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cvar_t sensitivity = {"sensitivity","3", true};
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cvar_t m_pitch = {"m_pitch","0.022", true};
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cvar_t m_yaw = {"m_yaw","0.022", true};
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cvar_t m_forward = {"m_forward","1", true};
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cvar_t m_side = {"m_side","0.8", true};
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client_static_t cls;
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client_state_t cl;
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// FIXME: put these on hunk?
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efrag_t cl_efrags[MAX_EFRAGS];
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entity_t cl_entities[MAX_EDICTS];
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entity_t cl_static_entities[MAX_STATIC_ENTITIES];
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lightstyle_t cl_lightstyle[MAX_LIGHTSTYLES];
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dlight_t cl_dlights[MAX_DLIGHTS];
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int cl_numvisedicts;
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entity_t *cl_visedicts[MAX_VISEDICTS];
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/*
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=====================
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CL_ClearState
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=====================
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*/
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void CL_ClearState (void)
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{
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int i;
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if (!sv.active)
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Host_ClearMemory ();
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// wipe the entire cl structure
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memset (&cl, 0, sizeof(cl));
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SZ_Clear (&cls.message);
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// clear other arrays
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memset (cl_efrags, 0, sizeof(cl_efrags));
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memset (cl_entities, 0, sizeof(cl_entities));
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memset (cl_dlights, 0, sizeof(cl_dlights));
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memset (cl_lightstyle, 0, sizeof(cl_lightstyle));
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memset (cl_temp_entities, 0, sizeof(cl_temp_entities));
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memset (cl_beams, 0, sizeof(cl_beams));
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//
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// allocate the efrags and chain together into a free list
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//
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cl.free_efrags = cl_efrags;
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for (i=0 ; i<MAX_EFRAGS-1 ; i++)
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cl.free_efrags[i].entnext = &cl.free_efrags[i+1];
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cl.free_efrags[i].entnext = NULL;
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}
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/*
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=====================
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CL_Disconnect
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Sends a disconnect message to the server
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This is also called on Host_Error, so it shouldn't cause any errors
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=====================
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*/
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void CL_Disconnect (void)
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{
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// stop sounds (especially looping!)
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S_StopAllSounds (true);
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// bring the console down and fade the colors back to normal
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// SCR_BringDownConsole ();
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// if running a local server, shut it down
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if (cls.demoplayback)
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CL_StopPlayback ();
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else if (cls.state == ca_connected)
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{
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if (cls.demorecording)
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CL_Stop_f ();
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Con_DPrintf ("Sending clc_disconnect\n");
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SZ_Clear (&cls.message);
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MSG_WriteByte (&cls.message, clc_disconnect);
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NET_SendUnreliableMessage (cls.netcon, &cls.message);
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SZ_Clear (&cls.message);
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NET_Close (cls.netcon);
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cls.state = ca_disconnected;
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if (sv.active)
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Host_ShutdownServer(false);
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}
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cls.demoplayback = cls.timedemo = false;
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cls.signon = 0;
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}
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void CL_Disconnect_f (void)
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{
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CL_Disconnect ();
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if (sv.active)
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Host_ShutdownServer (false);
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}
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/*
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=====================
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CL_EstablishConnection
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Host should be either "local" or a net address to be passed on
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=====================
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*/
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void CL_EstablishConnection (char *host)
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{
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if (cls.state == ca_dedicated)
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return;
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if (cls.demoplayback)
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return;
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CL_Disconnect ();
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cls.netcon = NET_Connect (host);
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if (!cls.netcon)
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Host_Error ("CL_Connect: connect failed\n");
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Con_DPrintf ("CL_EstablishConnection: connected to %s\n", host);
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cls.demonum = -1; // not in the demo loop now
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cls.state = ca_connected;
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cls.signon = 0; // need all the signon messages before playing
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}
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/*
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=====================
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CL_SignonReply
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An svc_signonnum has been received, perform a client side setup
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=====================
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*/
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void CL_SignonReply (void)
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{
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char str[8192];
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Con_DPrintf ("CL_SignonReply: %i\n", cls.signon);
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switch (cls.signon)
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{
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case 1:
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MSG_WriteByte (&cls.message, clc_stringcmd);
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MSG_WriteString (&cls.message, "prespawn");
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break;
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case 2:
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MSG_WriteByte (&cls.message, clc_stringcmd);
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MSG_WriteString (&cls.message, va("name \"%s\"\n", cl_name.string));
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MSG_WriteByte (&cls.message, clc_stringcmd);
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MSG_WriteString (&cls.message, va("color %i %i\n", ((int)cl_color.value)>>4, ((int)cl_color.value)&15));
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MSG_WriteByte (&cls.message, clc_stringcmd);
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sprintf (str, "spawn %s", cls.spawnparms);
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MSG_WriteString (&cls.message, str);
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break;
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case 3:
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MSG_WriteByte (&cls.message, clc_stringcmd);
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MSG_WriteString (&cls.message, "begin");
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Cache_Report (); // print remaining memory
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break;
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case 4:
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SCR_EndLoadingPlaque (); // allow normal screen updates
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break;
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}
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}
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/*
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=====================
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CL_NextDemo
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Called to play the next demo in the demo loop
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=====================
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*/
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void CL_NextDemo (void)
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{
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char str[1024];
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if (cls.demonum == -1)
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return; // don't play demos
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SCR_BeginLoadingPlaque ();
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if (!cls.demos[cls.demonum][0] || cls.demonum == MAX_DEMOS)
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{
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cls.demonum = 0;
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if (!cls.demos[cls.demonum][0])
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{
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Con_Printf ("No demos listed with startdemos\n");
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cls.demonum = -1;
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return;
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}
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}
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sprintf (str,"playdemo %s\n", cls.demos[cls.demonum]);
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Cbuf_InsertText (str);
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cls.demonum++;
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}
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/*
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==============
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CL_PrintEntities_f
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==============
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*/
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void CL_PrintEntities_f (void)
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{
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entity_t *ent;
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int i;
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for (i=0,ent=cl_entities ; i<cl.num_entities ; i++,ent++)
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{
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Con_Printf ("%3i:",i);
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if (!ent->model)
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{
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Con_Printf ("EMPTY\n");
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continue;
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}
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Con_Printf ("%s:%2i (%5.1f,%5.1f,%5.1f) [%5.1f %5.1f %5.1f]\n"
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,ent->model->name,ent->frame, ent->origin[0], ent->origin[1], ent->origin[2], ent->angles[0], ent->angles[1], ent->angles[2]);
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}
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}
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/*
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===============
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SetPal
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Debugging tool, just flashes the screen
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===============
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*/
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void SetPal (int i)
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{
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#if 0
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static int old;
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byte pal[768];
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int c;
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if (i == old)
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return;
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old = i;
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if (i==0)
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VID_SetPalette (host_basepal);
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else if (i==1)
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{
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for (c=0 ; c<768 ; c+=3)
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{
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pal[c] = 0;
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pal[c+1] = 255;
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pal[c+2] = 0;
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}
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VID_SetPalette (pal);
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}
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else
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{
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for (c=0 ; c<768 ; c+=3)
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{
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pal[c] = 0;
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pal[c+1] = 0;
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pal[c+2] = 255;
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}
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VID_SetPalette (pal);
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}
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#endif
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}
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/*
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===============
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CL_AllocDlight
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===============
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*/
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dlight_t *CL_AllocDlight (int key)
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{
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int i;
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dlight_t *dl;
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// first look for an exact key match
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if (key)
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{
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dl = cl_dlights;
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for (i=0 ; i<MAX_DLIGHTS ; i++, dl++)
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{
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if (dl->key == key)
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{
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memset (dl, 0, sizeof(*dl));
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||||
dl->key = key;
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return dl;
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}
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}
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}
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// then look for anything else
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||||
dl = cl_dlights;
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||||
for (i=0 ; i<MAX_DLIGHTS ; i++, dl++)
|
||||
{
|
||||
if (dl->die < cl.time)
|
||||
{
|
||||
memset (dl, 0, sizeof(*dl));
|
||||
dl->key = key;
|
||||
return dl;
|
||||
}
|
||||
}
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dl = &cl_dlights[0];
|
||||
memset (dl, 0, sizeof(*dl));
|
||||
dl->key = key;
|
||||
return dl;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
===============
|
||||
CL_DecayLights
|
||||
|
||||
===============
|
||||
*/
|
||||
void CL_DecayLights (void)
|
||||
{
|
||||
int i;
|
||||
dlight_t *dl;
|
||||
float time;
|
||||
|
||||
time = cl.time - cl.oldtime;
|
||||
|
||||
dl = cl_dlights;
|
||||
for (i=0 ; i<MAX_DLIGHTS ; i++, dl++)
|
||||
{
|
||||
if (dl->die < cl.time || !dl->radius)
|
||||
continue;
|
||||
|
||||
dl->radius -= time*dl->decay;
|
||||
if (dl->radius < 0)
|
||||
dl->radius = 0;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
===============
|
||||
CL_LerpPoint
|
||||
|
||||
Determines the fraction between the last two messages that the objects
|
||||
should be put at.
|
||||
===============
|
||||
*/
|
||||
float CL_LerpPoint (void)
|
||||
{
|
||||
float f, frac;
|
||||
|
||||
f = cl.mtime[0] - cl.mtime[1];
|
||||
|
||||
if (!f || cl_nolerp.value || cls.timedemo || sv.active)
|
||||
{
|
||||
cl.time = cl.mtime[0];
|
||||
return 1;
|
||||
}
|
||||
|
||||
if (f > 0.1)
|
||||
{ // dropped packet, or start of demo
|
||||
cl.mtime[1] = cl.mtime[0] - 0.1;
|
||||
f = 0.1;
|
||||
}
|
||||
frac = (cl.time - cl.mtime[1]) / f;
|
||||
//Con_Printf ("frac: %f\n",frac);
|
||||
if (frac < 0)
|
||||
{
|
||||
if (frac < -0.01)
|
||||
{
|
||||
SetPal(1);
|
||||
cl.time = cl.mtime[1];
|
||||
// Con_Printf ("low frac\n");
|
||||
}
|
||||
frac = 0;
|
||||
}
|
||||
else if (frac > 1)
|
||||
{
|
||||
if (frac > 1.01)
|
||||
{
|
||||
SetPal(2);
|
||||
cl.time = cl.mtime[0];
|
||||
// Con_Printf ("high frac\n");
|
||||
}
|
||||
frac = 1;
|
||||
}
|
||||
else
|
||||
SetPal(0);
|
||||
|
||||
return frac;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
===============
|
||||
CL_RelinkEntities
|
||||
===============
|
||||
*/
|
||||
void CL_RelinkEntities (void)
|
||||
{
|
||||
entity_t *ent;
|
||||
int i, j;
|
||||
float frac, f, d;
|
||||
vec3_t delta;
|
||||
float bobjrotate;
|
||||
vec3_t oldorg;
|
||||
dlight_t *dl;
|
||||
|
||||
// determine partial update time
|
||||
frac = CL_LerpPoint ();
|
||||
|
||||
cl_numvisedicts = 0;
|
||||
|
||||
//
|
||||
// interpolate player info
|
||||
//
|
||||
for (i=0 ; i<3 ; i++)
|
||||
cl.velocity[i] = cl.mvelocity[1][i] +
|
||||
frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
|
||||
|
||||
if (cls.demoplayback)
|
||||
{
|
||||
// interpolate the angles
|
||||
for (j=0 ; j<3 ; j++)
|
||||
{
|
||||
d = cl.mviewangles[0][j] - cl.mviewangles[1][j];
|
||||
if (d > 180)
|
||||
d -= 360;
|
||||
else if (d < -180)
|
||||
d += 360;
|
||||
cl.viewangles[j] = cl.mviewangles[1][j] + frac*d;
|
||||
}
|
||||
}
|
||||
|
||||
bobjrotate = anglemod(100*cl.time);
|
||||
|
||||
// start on the entity after the world
|
||||
for (i=1,ent=cl_entities+1 ; i<cl.num_entities ; i++,ent++)
|
||||
{
|
||||
if (!ent->model)
|
||||
{ // empty slot
|
||||
if (ent->forcelink)
|
||||
R_RemoveEfrags (ent); // just became empty
|
||||
continue;
|
||||
}
|
||||
|
||||
// if the object wasn't included in the last packet, remove it
|
||||
if (ent->msgtime != cl.mtime[0])
|
||||
{
|
||||
ent->model = NULL;
|
||||
continue;
|
||||
}
|
||||
|
||||
VectorCopy (ent->origin, oldorg);
|
||||
|
||||
if (ent->forcelink)
|
||||
{ // the entity was not updated in the last message
|
||||
// so move to the final spot
|
||||
VectorCopy (ent->msg_origins[0], ent->origin);
|
||||
VectorCopy (ent->msg_angles[0], ent->angles);
|
||||
}
|
||||
else
|
||||
{ // if the delta is large, assume a teleport and don't lerp
|
||||
f = frac;
|
||||
for (j=0 ; j<3 ; j++)
|
||||
{
|
||||
delta[j] = ent->msg_origins[0][j] - ent->msg_origins[1][j];
|
||||
if (delta[j] > 100 || delta[j] < -100)
|
||||
f = 1; // assume a teleportation, not a motion
|
||||
}
|
||||
|
||||
// interpolate the origin and angles
|
||||
for (j=0 ; j<3 ; j++)
|
||||
{
|
||||
ent->origin[j] = ent->msg_origins[1][j] + f*delta[j];
|
||||
|
||||
d = ent->msg_angles[0][j] - ent->msg_angles[1][j];
|
||||
if (d > 180)
|
||||
d -= 360;
|
||||
else if (d < -180)
|
||||
d += 360;
|
||||
ent->angles[j] = ent->msg_angles[1][j] + f*d;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// rotate binary objects locally
|
||||
if (ent->model->flags & EF_ROTATE)
|
||||
ent->angles[1] = bobjrotate;
|
||||
|
||||
if (ent->effects & EF_BRIGHTFIELD)
|
||||
R_EntityParticles (ent);
|
||||
#ifdef QUAKE2
|
||||
if (ent->effects & EF_DARKFIELD)
|
||||
R_DarkFieldParticles (ent);
|
||||
#endif
|
||||
if (ent->effects & EF_MUZZLEFLASH)
|
||||
{
|
||||
vec3_t fv, rv, uv;
|
||||
|
||||
dl = CL_AllocDlight (i);
|
||||
VectorCopy (ent->origin, dl->origin);
|
||||
dl->origin[2] += 16;
|
||||
AngleVectors (ent->angles, fv, rv, uv);
|
||||
|
||||
VectorMA (dl->origin, 18, fv, dl->origin);
|
||||
dl->radius = 200 + (rand()&31);
|
||||
dl->minlight = 32;
|
||||
dl->die = cl.time + 0.1;
|
||||
}
|
||||
if (ent->effects & EF_BRIGHTLIGHT)
|
||||
{
|
||||
dl = CL_AllocDlight (i);
|
||||
VectorCopy (ent->origin, dl->origin);
|
||||
dl->origin[2] += 16;
|
||||
dl->radius = 400 + (rand()&31);
|
||||
dl->die = cl.time + 0.001;
|
||||
}
|
||||
if (ent->effects & EF_DIMLIGHT)
|
||||
{
|
||||
dl = CL_AllocDlight (i);
|
||||
VectorCopy (ent->origin, dl->origin);
|
||||
dl->radius = 200 + (rand()&31);
|
||||
dl->die = cl.time + 0.001;
|
||||
}
|
||||
#ifdef QUAKE2
|
||||
if (ent->effects & EF_DARKLIGHT)
|
||||
{
|
||||
dl = CL_AllocDlight (i);
|
||||
VectorCopy (ent->origin, dl->origin);
|
||||
dl->radius = 200.0 + (rand()&31);
|
||||
dl->die = cl.time + 0.001;
|
||||
dl->dark = true;
|
||||
}
|
||||
if (ent->effects & EF_LIGHT)
|
||||
{
|
||||
dl = CL_AllocDlight (i);
|
||||
VectorCopy (ent->origin, dl->origin);
|
||||
dl->radius = 200;
|
||||
dl->die = cl.time + 0.001;
|
||||
}
|
||||
#endif
|
||||
|
||||
if (ent->model->flags & EF_GIB)
|
||||
R_RocketTrail (oldorg, ent->origin, 2);
|
||||
else if (ent->model->flags & EF_ZOMGIB)
|
||||
R_RocketTrail (oldorg, ent->origin, 4);
|
||||
else if (ent->model->flags & EF_TRACER)
|
||||
R_RocketTrail (oldorg, ent->origin, 3);
|
||||
else if (ent->model->flags & EF_TRACER2)
|
||||
R_RocketTrail (oldorg, ent->origin, 5);
|
||||
else if (ent->model->flags & EF_ROCKET)
|
||||
{
|
||||
R_RocketTrail (oldorg, ent->origin, 0);
|
||||
dl = CL_AllocDlight (i);
|
||||
VectorCopy (ent->origin, dl->origin);
|
||||
dl->radius = 200;
|
||||
dl->die = cl.time + 0.01;
|
||||
}
|
||||
else if (ent->model->flags & EF_GRENADE)
|
||||
R_RocketTrail (oldorg, ent->origin, 1);
|
||||
else if (ent->model->flags & EF_TRACER3)
|
||||
R_RocketTrail (oldorg, ent->origin, 6);
|
||||
|
||||
ent->forcelink = false;
|
||||
|
||||
if (i == cl.viewentity && !chase_active.value)
|
||||
continue;
|
||||
|
||||
#ifdef QUAKE2
|
||||
if ( ent->effects & EF_NODRAW )
|
||||
continue;
|
||||
#endif
|
||||
if (cl_numvisedicts < MAX_VISEDICTS)
|
||||
{
|
||||
cl_visedicts[cl_numvisedicts] = ent;
|
||||
cl_numvisedicts++;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
===============
|
||||
CL_ReadFromServer
|
||||
|
||||
Read all incoming data from the server
|
||||
===============
|
||||
*/
|
||||
int CL_ReadFromServer (void)
|
||||
{
|
||||
int ret;
|
||||
|
||||
cl.oldtime = cl.time;
|
||||
cl.time += host_frametime;
|
||||
|
||||
do
|
||||
{
|
||||
ret = CL_GetMessage ();
|
||||
if (ret == -1)
|
||||
Host_Error ("CL_ReadFromServer: lost server connection");
|
||||
if (!ret)
|
||||
break;
|
||||
|
||||
cl.last_received_message = realtime;
|
||||
CL_ParseServerMessage ();
|
||||
} while (ret && cls.state == ca_connected);
|
||||
|
||||
if (cl_shownet.value)
|
||||
Con_Printf ("\n");
|
||||
|
||||
CL_RelinkEntities ();
|
||||
CL_UpdateTEnts ();
|
||||
|
||||
//
|
||||
// bring the links up to date
|
||||
//
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
=================
|
||||
CL_SendCmd
|
||||
=================
|
||||
*/
|
||||
void CL_SendCmd (void)
|
||||
{
|
||||
usercmd_t cmd;
|
||||
|
||||
if (cls.state != ca_connected)
|
||||
return;
|
||||
|
||||
if (cls.signon == SIGNONS)
|
||||
{
|
||||
// get basic movement from keyboard
|
||||
CL_BaseMove (&cmd);
|
||||
|
||||
// allow mice or other external controllers to add to the move
|
||||
IN_Move (&cmd);
|
||||
|
||||
// send the unreliable message
|
||||
CL_SendMove (&cmd);
|
||||
|
||||
}
|
||||
|
||||
if (cls.demoplayback)
|
||||
{
|
||||
SZ_Clear (&cls.message);
|
||||
return;
|
||||
}
|
||||
|
||||
// send the reliable message
|
||||
if (!cls.message.cursize)
|
||||
return; // no message at all
|
||||
|
||||
if (!NET_CanSendMessage (cls.netcon))
|
||||
{
|
||||
Con_DPrintf ("CL_WriteToServer: can't send\n");
|
||||
return;
|
||||
}
|
||||
|
||||
if (NET_SendMessage (cls.netcon, &cls.message) == -1)
|
||||
Host_Error ("CL_WriteToServer: lost server connection");
|
||||
|
||||
SZ_Clear (&cls.message);
|
||||
}
|
||||
|
||||
/*
|
||||
=================
|
||||
CL_Init
|
||||
=================
|
||||
*/
|
||||
void CL_Init (void)
|
||||
{
|
||||
SZ_Alloc (&cls.message, 1024);
|
||||
|
||||
CL_InitInput ();
|
||||
CL_InitTEnts ();
|
||||
|
||||
//
|
||||
// register our commands
|
||||
//
|
||||
Cvar_RegisterVariable (&cl_name);
|
||||
Cvar_RegisterVariable (&cl_color);
|
||||
Cvar_RegisterVariable (&cl_upspeed);
|
||||
Cvar_RegisterVariable (&cl_forwardspeed);
|
||||
Cvar_RegisterVariable (&cl_backspeed);
|
||||
Cvar_RegisterVariable (&cl_sidespeed);
|
||||
Cvar_RegisterVariable (&cl_movespeedkey);
|
||||
Cvar_RegisterVariable (&cl_yawspeed);
|
||||
Cvar_RegisterVariable (&cl_pitchspeed);
|
||||
Cvar_RegisterVariable (&cl_anglespeedkey);
|
||||
Cvar_RegisterVariable (&cl_shownet);
|
||||
Cvar_RegisterVariable (&cl_nolerp);
|
||||
Cvar_RegisterVariable (&lookspring);
|
||||
Cvar_RegisterVariable (&lookstrafe);
|
||||
Cvar_RegisterVariable (&sensitivity);
|
||||
|
||||
Cvar_RegisterVariable (&m_pitch);
|
||||
Cvar_RegisterVariable (&m_yaw);
|
||||
Cvar_RegisterVariable (&m_forward);
|
||||
Cvar_RegisterVariable (&m_side);
|
||||
|
||||
// Cvar_RegisterVariable (&cl_autofire);
|
||||
|
||||
Cmd_AddCommand ("entities", CL_PrintEntities_f);
|
||||
Cmd_AddCommand ("disconnect", CL_Disconnect_f);
|
||||
Cmd_AddCommand ("record", CL_Record_f);
|
||||
Cmd_AddCommand ("stop", CL_Stop_f);
|
||||
Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
|
||||
Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user