2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 // cl_main.c -- client main loop
24 // we need to declare some mouse variables here, because the menu system
25 // references them even when on a unix system.
27 // these two are not intended to be set directly
28 cvar_t cl_name = {"_cl_name", "player", true};
29 cvar_t cl_color = {"_cl_color", "0", true};
30 cvar_t cl_pmodel = {"_cl_pmodel", "0", true};
32 cvar_t cl_shownet = {"cl_shownet","0"}; // can be 0, 1, or 2
33 cvar_t cl_nolerp = {"cl_nolerp","0"};
35 cvar_t lookspring = {"lookspring","0", true};
36 cvar_t lookstrafe = {"lookstrafe","0", true};
37 cvar_t sensitivity = {"sensitivity","3", true};
39 cvar_t m_pitch = {"m_pitch","0.022", true};
40 cvar_t m_yaw = {"m_yaw","0.022", true};
41 cvar_t m_forward = {"m_forward","1", true};
42 cvar_t m_side = {"m_side","0.8", true};
47 // FIXME: put these on hunk?
48 efrag_t cl_efrags[MAX_EFRAGS];
49 entity_t cl_entities[MAX_EDICTS];
50 entity_t cl_static_entities[MAX_STATIC_ENTITIES];
51 lightstyle_t cl_lightstyle[MAX_LIGHTSTYLES];
52 dlight_t cl_dlights[MAX_DLIGHTS];
55 entity_t *cl_visedicts[MAX_VISEDICTS];
63 void CL_ClearState (void)
70 // wipe the entire cl structure
71 memset (&cl, 0, sizeof(cl));
73 SZ_Clear (&cls.message);
76 memset (cl_efrags, 0, sizeof(cl_efrags));
77 memset (cl_entities, 0, sizeof(cl_entities));
78 memset (cl_dlights, 0, sizeof(cl_dlights));
79 memset (cl_lightstyle, 0, sizeof(cl_lightstyle));
80 memset (cl_temp_entities, 0, sizeof(cl_temp_entities));
81 memset (cl_beams, 0, sizeof(cl_beams));
82 // LordHavoc: have to set up the baseline info for alpha and other stuff
83 for (i = 0;i < MAX_EDICTS;i++)
85 cl_entities[i].baseline.alpha = 255;
86 cl_entities[i].baseline.scale = 16;
87 cl_entities[i].baseline.glowsize = 0;
88 cl_entities[i].baseline.glowcolor = 254;
89 cl_entities[i].baseline.colormod = 255;
93 // allocate the efrags and chain together into a free list
95 cl.free_efrags = cl_efrags;
96 for (i=0 ; i<MAX_EFRAGS-1 ; i++)
97 cl.free_efrags[i].entnext = &cl.free_efrags[i+1];
98 cl.free_efrags[i].entnext = NULL;
102 =====================
105 Sends a disconnect message to the server
106 This is also called on Host_Error, so it shouldn't cause any errors
107 =====================
109 void CL_Disconnect (void)
111 // stop sounds (especially looping!)
112 S_StopAllSounds (true);
114 // bring the console down and fade the colors back to normal
115 // SCR_BringDownConsole ();
117 // if running a local server, shut it down
118 if (cls.demoplayback)
120 else if (cls.state == ca_connected)
122 if (cls.demorecording)
125 Con_DPrintf ("Sending clc_disconnect\n");
126 SZ_Clear (&cls.message);
127 MSG_WriteByte (&cls.message, clc_disconnect);
128 NET_SendUnreliableMessage (cls.netcon, &cls.message);
129 SZ_Clear (&cls.message);
130 NET_Close (cls.netcon);
132 cls.state = ca_disconnected;
134 Host_ShutdownServer(false);
137 cls.demoplayback = cls.timedemo = false;
141 void CL_Disconnect_f (void)
145 Host_ShutdownServer (false);
152 =====================
153 CL_EstablishConnection
155 Host should be either "local" or a net address to be passed on
156 =====================
158 void CL_EstablishConnection (char *host)
160 if (cls.state == ca_dedicated)
163 if (cls.demoplayback)
168 cls.netcon = NET_Connect (host);
170 Host_Error ("CL_Connect: connect failed\n");
171 Con_DPrintf ("CL_EstablishConnection: connected to %s\n", host);
173 cls.demonum = -1; // not in the demo loop now
174 cls.state = ca_connected;
175 cls.signon = 0; // need all the signon messages before playing
178 extern int numgltextures;
182 =====================
185 An svc_signonnum has been received, perform a client side setup
186 =====================
188 void CL_SignonReply (void)
192 Con_DPrintf ("CL_SignonReply: %i\n", cls.signon);
197 MSG_WriteByte (&cls.message, clc_stringcmd);
198 MSG_WriteString (&cls.message, "prespawn");
202 MSG_WriteByte (&cls.message, clc_stringcmd);
203 MSG_WriteString (&cls.message, va("name \"%s\"\n", cl_name.string));
205 MSG_WriteByte (&cls.message, clc_stringcmd);
206 MSG_WriteString (&cls.message, va("color %i %i\n", ((int)cl_color.value)>>4, ((int)cl_color.value)&15));
210 MSG_WriteByte (&cls.message, clc_stringcmd);
211 MSG_WriteString (&cls.message, va("pmodel %f\n", cl_pmodel.value));
214 MSG_WriteByte (&cls.message, clc_stringcmd);
215 sprintf (str, "spawn %s", cls.spawnparms);
216 MSG_WriteString (&cls.message, str);
220 MSG_WriteByte (&cls.message, clc_stringcmd);
221 MSG_WriteString (&cls.message, "begin");
222 Cache_Report (); // print remaining memory
226 SCR_EndLoadingPlaque (); // allow normal screen updates
227 // LordHavoc: debugging purposes
228 Con_DPrintf("GLQuake texture slots in use: %i : %i : %i texels\n", texture_extension_number, numgltextures, texels);
234 =====================
237 Called to play the next demo in the demo loop
238 =====================
240 void CL_NextDemo (void)
244 if (cls.demonum == -1)
245 return; // don't play demos
247 SCR_BeginLoadingPlaque ();
249 if (!cls.demos[cls.demonum][0] || cls.demonum == MAX_DEMOS)
252 if (!cls.demos[cls.demonum][0])
254 Con_Printf ("No demos listed with startdemos\n");
260 sprintf (str,"playdemo %s\n", cls.demos[cls.demonum]);
261 Cbuf_InsertText (str);
270 void CL_PrintEntities_f (void)
275 for (i=0,ent=cl_entities ; i<cl.num_entities ; i++,ent++)
277 Con_Printf ("%3i:",i);
280 Con_Printf ("EMPTY\n");
283 Con_Printf ("%s:%2i (%5.1f,%5.1f,%5.1f) [%5.1f %5.1f %5.1f]\n"
284 ,ent->model->name,ent->frame, ent->origin[0], ent->origin[1], ent->origin[2], ent->angles[0], ent->angles[1], ent->angles[2]);
295 dlight_t *CL_AllocDlight (int key)
300 // first look for an exact key match
304 for (i=0 ; i<MAX_DLIGHTS ; i++, dl++)
308 memset (dl, 0, sizeof(*dl));
315 // then look for anything else
317 for (i=0 ; i<MAX_DLIGHTS ; i++, dl++)
319 if (dl->die < cl.time)
321 memset (dl, 0, sizeof(*dl));
328 memset (dl, 0, sizeof(*dl));
340 void CL_DecayLights (void)
346 time = cl.time - cl.oldtime;
349 for (i=0 ; i<MAX_DLIGHTS ; i++, dl++)
351 if (dl->die < cl.time || !dl->radius)
354 dl->radius -= time*dl->decay;
365 Determines the fraction between the last two messages that the objects
369 float CL_LerpPoint (void)
373 f = cl.mtime[0] - cl.mtime[1];
375 if (!f || cl_nolerp.value || cls.timedemo || sv.active)
377 cl.time = cl.mtime[0];
382 { // dropped packet, or start of demo
383 cl.mtime[1] = cl.mtime[0] - 0.1;
386 frac = (cl.time - cl.mtime[1]) / f;
387 //Con_Printf ("frac: %f\n",frac);
392 cl.time = cl.mtime[1];
393 // Con_Printf ("low frac\n");
401 cl.time = cl.mtime[0];
402 // Con_Printf ("high frac\n");
416 void R_RocketTrail2 (vec3_t start, vec3_t end, int color, entity_t *ent);
417 void CL_RelinkEntities (void)
428 // determine partial update time
429 frac = CL_LerpPoint ();
434 // interpolate player info
436 for (i=0 ; i<3 ; i++)
437 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
439 if (cls.demoplayback)
441 // interpolate the angles
442 for (j=0 ; j<3 ; j++)
444 d = cl.mviewangles[0][j] - cl.mviewangles[1][j];
449 cl.viewangles[j] = cl.mviewangles[1][j] + frac*d;
453 bobjrotate = anglemod(100*cl.time);
455 // start on the entity after the world
456 for (i=1,ent=cl_entities+1 ; i<cl.num_entities ; i++,ent++)
461 R_RemoveEfrags (ent); // just became empty
465 // if the object wasn't included in the last packet, remove it
466 if (ent->msgtime != cl.mtime[0])
469 // LordHavoc: free on the same frame, not the next
471 R_RemoveEfrags (ent); // just became empty
475 // LordHavoc: animation interpolation, note: framegroups partially override this in the renderer
477 if (ent->model != ent->lerp_model || ent->lerp_time > cl.time)
479 ent->lerp_frame1 = ent->lerp_frame2 = ent->frame;
480 ent->lerp_time = cl.time;
483 else if (ent->frame != ent->lerp_frame2)
485 ent->lerp_frame1 = ent->lerpframe2;
486 ent->lerp_frame2 = ent->frame;
487 ent->lerp_time = cl.time;
491 ent->lerp = bound(0, (cl.time - ent->lerp_time) * 10.0f, 1);
494 VectorCopy (ent->origin, oldorg);
497 { // the entity was not updated in the last message
498 // so move to the final spot
499 VectorCopy (ent->msg_origins[0], ent->origin);
500 VectorCopy (ent->msg_angles[0], ent->angles);
503 { // if the delta is large, assume a teleport and don't lerp
505 for (j=0 ; j<3 ; j++)
507 delta[j] = ent->msg_origins[0][j] - ent->msg_origins[1][j];
508 // LordHavoc: increased lerp tolerance from 100 to 200
509 if (delta[j] > 200 || delta[j] < -200)
510 f = 1; // assume a teleportation, not a motion
513 // interpolate the origin and angles
514 for (j=0 ; j<3 ; j++)
516 ent->origin[j] = ent->msg_origins[1][j] + f*delta[j];
518 d = ent->msg_angles[0][j] - ent->msg_angles[1][j];
523 ent->angles[j] = ent->msg_angles[1][j] + f*d;
528 if (ent->effects & EF_BRIGHTFIELD)
529 R_EntityParticles (ent);
530 if (ent->effects & EF_MUZZLEFLASH)
534 dl = CL_AllocDlight (i);
535 VectorCopy (ent->origin, dl->origin);
537 AngleVectors (ent->angles, fv, rv, uv);
539 VectorMA (dl->origin, 18, fv, dl->origin);
540 dl->radius = 200 + (rand()&31);
542 dl->die = cl.time + 0.1;
543 dl->color[0] = 1.0;dl->color[1] = 1.0;dl->color[2] = 1.0;
545 if (ent->effects & EF_BRIGHTLIGHT)
547 dl = CL_AllocDlight (i);
548 VectorCopy (ent->origin, dl->origin);
550 dl->radius = 400 + (rand()&31);
551 dl->die = cl.time + 0.001;
552 dl->color[0] = 1.0;dl->color[1] = 1.0;dl->color[2] = 1.0;
554 if (ent->effects & EF_DIMLIGHT)
556 dl = CL_AllocDlight (i);
557 VectorCopy (ent->origin, dl->origin);
558 dl->radius = 200 + (rand()&31);
559 dl->die = cl.time + 0.001;
560 dl->color[0] = 1.0;dl->color[1] = 1.0;dl->color[2] = 1.0;
562 // LordHavoc: added EF_RED and EF_BLUE
563 if (ent->effects & EF_RED) // red
565 if (ent->effects & EF_BLUE) // magenta
567 dl = CL_AllocDlight (i);
568 VectorCopy (ent->origin, dl->origin);
569 dl->radius = 200 + (rand()&31);
570 dl->die = cl.time + 0.001;
571 dl->color[0] = 0.7;dl->color[1] = 0.07;dl->color[2] = 0.7;
575 dl = CL_AllocDlight (i);
576 VectorCopy (ent->origin, dl->origin);
577 dl->radius = 200 + (rand()&31);
578 dl->die = cl.time + 0.001;
579 dl->color[0] = 0.8;dl->color[1] = 0.05;dl->color[2] = 0.05;
582 else if (ent->effects & EF_BLUE) // blue
584 dl = CL_AllocDlight (i);
585 VectorCopy (ent->origin, dl->origin);
586 dl->radius = 200 + (rand()&31);
587 dl->die = cl.time + 0.001;
588 dl->color[0] = 0.05;dl->color[1] = 0.05;dl->color[2] = 0.8;
591 if (ent->model->flags) // LordHavoc: if the model has no flags, don't check each
593 // rotate binary objects locally
594 if (ent->model->flags & EF_ROTATE)
595 ent->angles[1] = bobjrotate;
596 if (ent->model->flags & EF_GIB)
597 R_RocketTrail (oldorg, ent->origin, 2, ent);
598 else if (ent->model->flags & EF_ZOMGIB)
599 R_RocketTrail (oldorg, ent->origin, 4, ent);
600 else if (ent->model->flags & EF_TRACER)
601 R_RocketTrail (oldorg, ent->origin, 3, ent);
602 else if (ent->model->flags & EF_TRACER2)
603 R_RocketTrail (oldorg, ent->origin, 5, ent);
604 else if (ent->model->flags & EF_ROCKET)
606 R_RocketTrail (oldorg, ent->origin, 0, ent);
607 dl = CL_AllocDlight (i);
608 VectorCopy (ent->origin, dl->origin);
610 dl->die = cl.time + 0.001;
611 dl->color[0] = 1.0;dl->color[1] = 0.8;dl->color[2] = 0.4;
613 else if (ent->model->flags & EF_GRENADE)
615 if (ent->alpha == -1) // LordHavoc: Nehahra dem compatibility
616 R_RocketTrail (oldorg, ent->origin, 7, ent);
618 R_RocketTrail (oldorg, ent->origin, 1, ent);
620 else if (ent->model->flags & EF_TRACER3)
621 R_RocketTrail (oldorg, ent->origin, 6, ent);
623 if (ent->glowsize) // LordHavoc: customizable glow
625 dl = CL_AllocDlight (i);
626 VectorCopy (ent->origin, dl->origin);
627 dl->radius = ent->glowsize;
628 dl->die = cl.time + 0.001;
629 tempcolor = (byte *)&d_8to24table[ent->glowcolor];
630 dl->color[0] = tempcolor[0]*(1.0/255.0);dl->color[1] = tempcolor[1]*(1.0/255.0);dl->color[2] = tempcolor[2]*(1.0/255.0);
632 if (ent->glowtrail) // LordHavoc: customizable glow and trail
633 R_RocketTrail2 (oldorg, ent->origin, ent->glowcolor, ent);
635 ent->forcelink = false;
637 if (i == cl.viewentity && !chase_active.value)
640 // LordHavoc: enabled EF_NODRAW
641 if (!ent->model || ent->effects & EF_NODRAW)
643 if (cl_numvisedicts < MAX_VISEDICTS)
645 cl_visedicts[cl_numvisedicts] = ent;
657 Read all incoming data from the server
660 int CL_ReadFromServer (void)
664 cl.oldtime = cl.time;
665 cl.time += host_frametime;
669 ret = CL_GetMessage ();
671 Host_Error ("CL_ReadFromServer: lost server connection");
675 cl.last_received_message = realtime;
676 CL_ParseServerMessage ();
677 } while (ret && cls.state == ca_connected);
679 if (cl_shownet.value)
682 CL_RelinkEntities ();
686 // bring the links up to date
696 void CL_SendCmd (void)
700 if (cls.state != ca_connected)
703 if (cls.signon == SIGNONS)
705 // get basic movement from keyboard
708 // allow mice or other external controllers to add to the move
711 // send the unreliable message
716 if (cls.demoplayback)
718 SZ_Clear (&cls.message);
722 // send the reliable message
723 if (!cls.message.cursize)
724 return; // no message at all
726 if (!NET_CanSendMessage (cls.netcon))
728 Con_DPrintf ("CL_WriteToServer: can't send\n");
732 if (NET_SendMessage (cls.netcon, &cls.message) == -1)
733 Host_Error ("CL_WriteToServer: lost server connection");
735 SZ_Clear (&cls.message);
738 // LordHavoc: pausedemo command
739 void CL_PauseDemo_f (void)
741 cls.demopaused = !cls.demopaused;
743 Con_Printf("Demo paused\n");
745 Con_Printf("Demo unpaused\n");
749 ======================
751 LordHavoc: Intended for Nehahra, I personally think this is dumb, but Mindcrime won't listen.
752 ======================
754 void CL_PModel_f (void)
759 if (Cmd_Argc () == 1)
761 Con_Printf ("\"pmodel\" is \"%s\"\n", cl_pmodel.string);
764 i = atoi(Cmd_Argv(1));
766 if (cmd_source == src_command)
768 if (cl_pmodel.value == i)
770 Cvar_SetValue ("_cl_pmodel", i);
771 if (cls.state == ca_connected)
772 Cmd_ForwardToServer ();
776 host_client->pmodel = i;
777 if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_pmodel)))
782 ======================
784 ======================
786 extern float fog_density, fog_red, fog_green, fog_blue;
789 if (Cmd_Argc () == 1)
791 Con_Printf ("\"fog\" is \"%f %f %f %f\"\n", fog_density, fog_red, fog_green, fog_blue);
794 fog_density = atof(Cmd_Argv(1));
795 fog_red = atof(Cmd_Argv(2));
796 fog_green = atof(Cmd_Argv(3));
797 fog_blue = atof(Cmd_Argv(4));
800 cvar_t demo_nehahra = {"demo_nehahra", "0"};
809 SZ_Alloc (&cls.message, 1024);
815 // register our commands
817 Cvar_RegisterVariable (&cl_name);
818 Cvar_RegisterVariable (&cl_color);
819 Cvar_RegisterVariable (&cl_pmodel);
820 Cvar_RegisterVariable (&cl_upspeed);
821 Cvar_RegisterVariable (&cl_forwardspeed);
822 Cvar_RegisterVariable (&cl_backspeed);
823 Cvar_RegisterVariable (&cl_sidespeed);
824 Cvar_RegisterVariable (&cl_movespeedkey);
825 Cvar_RegisterVariable (&cl_yawspeed);
826 Cvar_RegisterVariable (&cl_pitchspeed);
827 Cvar_RegisterVariable (&cl_anglespeedkey);
828 Cvar_RegisterVariable (&cl_shownet);
829 Cvar_RegisterVariable (&cl_nolerp);
830 Cvar_RegisterVariable (&lookspring);
831 Cvar_RegisterVariable (&lookstrafe);
832 Cvar_RegisterVariable (&sensitivity);
834 Cvar_RegisterVariable (&m_pitch);
835 Cvar_RegisterVariable (&m_yaw);
836 Cvar_RegisterVariable (&m_forward);
837 Cvar_RegisterVariable (&m_side);
839 // Cvar_RegisterVariable (&cl_autofire);
841 Cmd_AddCommand ("entities", CL_PrintEntities_f);
842 Cmd_AddCommand ("disconnect", CL_Disconnect_f);
843 Cmd_AddCommand ("record", CL_Record_f);
844 Cmd_AddCommand ("stop", CL_Stop_f);
845 Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
846 Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
848 Cmd_AddCommand ("fog", CL_Fog_f);
850 // LordHavoc: added pausedemo
851 Cmd_AddCommand ("pausedemo", CL_PauseDemo_f);
852 // LordHavoc: added pmodel command (like name, etc, only intended for Nehahra)
853 Cmd_AddCommand ("pmodel", CL_PModel_f);
854 // LordHavoc: added demo_nehahra cvar
855 Cvar_RegisterVariable (&demo_nehahra);
857 Cvar_SetValue("demo_nehahra", 1);