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].state_baseline.alpha = 255;
86 cl_entities[i].state_baseline.scale = 16;
87 cl_entities[i].state_baseline.glowsize = 0;
88 cl_entities[i].state_baseline.glowcolor = 254;
89 cl_entities[i].state_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
179 =====================
182 An svc_signonnum has been received, perform a client side setup
183 =====================
185 void CL_SignonReply (void)
189 Con_DPrintf ("CL_SignonReply: %i\n", cls.signon);
194 MSG_WriteByte (&cls.message, clc_stringcmd);
195 MSG_WriteString (&cls.message, "prespawn");
199 MSG_WriteByte (&cls.message, clc_stringcmd);
200 MSG_WriteString (&cls.message, va("name \"%s\"\n", cl_name.string));
202 MSG_WriteByte (&cls.message, clc_stringcmd);
203 MSG_WriteString (&cls.message, va("color %i %i\n", ((int)cl_color.value)>>4, ((int)cl_color.value)&15));
207 MSG_WriteByte (&cls.message, clc_stringcmd);
208 MSG_WriteString (&cls.message, va("pmodel %f\n", cl_pmodel.value));
211 MSG_WriteByte (&cls.message, clc_stringcmd);
212 sprintf (str, "spawn %s", cls.spawnparms);
213 MSG_WriteString (&cls.message, str);
217 MSG_WriteByte (&cls.message, clc_stringcmd);
218 MSG_WriteString (&cls.message, "begin");
219 Cache_Report (); // print remaining memory
223 SCR_EndLoadingPlaque (); // allow normal screen updates
229 =====================
232 Called to play the next demo in the demo loop
233 =====================
235 void CL_NextDemo (void)
239 if (cls.demonum == -1)
240 return; // don't play demos
242 SCR_BeginLoadingPlaque ();
244 if (!cls.demos[cls.demonum][0] || cls.demonum == MAX_DEMOS)
247 if (!cls.demos[cls.demonum][0])
249 Con_Printf ("No demos listed with startdemos\n");
255 sprintf (str,"playdemo %s\n", cls.demos[cls.demonum]);
256 Cbuf_InsertText (str);
265 void CL_PrintEntities_f (void)
270 for (i = 0, ent = cl_entities;i < MAX_EDICTS /*cl.num_entities*/;i++, ent++)
272 Con_Printf ("%3i:", i);
273 if (!ent->render.model)
275 Con_Printf ("EMPTY\n");
278 Con_Printf ("%s:%2i (%5.1f,%5.1f,%5.1f) [%5.1f %5.1f %5.1f]\n", ent->render.model->name, ent->render.frame, ent->render.origin[0], ent->render.origin[1], ent->render.origin[2], ent->render.angles[0], ent->render.angles[1], ent->render.angles[2]);
289 void CL_AllocDlight (entity_t *ent, vec3_t org, float radius, float red, float green, float blue, float decay, float lifetime)
294 // first look for an exact key match
298 for (i = 0;i < MAX_DLIGHTS;i++, dl++)
303 // then look for anything else
305 for (i = 0;i < MAX_DLIGHTS;i++, dl++)
309 // unable to find one
313 memset (dl, 0, sizeof(*dl));
315 VectorCopy(org, dl->origin);
318 dl->color[1] = green;
321 dl->die = cl.time + lifetime;
331 void CL_DecayLights (void)
337 time = cl.time - cl.oldtime;
341 for (i=0 ; i<MAX_DLIGHTS ; i++, dl++)
345 if (dl->die < cl.time)
351 c_dlights++; // count every dlight in use
353 dl->radius -= time*dl->decay;
364 Determines the fraction between the last two messages that the objects
368 float CL_LerpPoint (void)
372 f = cl.mtime[0] - cl.mtime[1];
374 // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
375 if (!f || cl_nolerp.value || cls.timedemo || (sv.active && svs.maxclients == 1))
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");
410 float CL_EntityLerpPoint (entity_t *ent)
414 if (cl_nolerp.value || cls.timedemo || (sv.active && svs.maxclients == 1))
417 f = ent->state_current.time - ent->state_previous.time;
418 // Con_Printf(" %g-%g=%g", ent->state_current.time, ent->state_previous.time, f);
425 // Con_Printf(" %g-%g/%g=%f", cl.time, ent->state_previous.time, f, (cl.time - ent->state_previous.time) / f);
426 f = (cl.time - ent->state_previous.time) / f;
427 return bound(0, f, 1);
436 void R_RocketTrail2 (vec3_t start, vec3_t end, int color, entity_t *ent);
437 void CL_RelinkEntities (void)
447 // determine partial update time
448 frac = CL_LerpPoint ();
453 // interpolate player info
455 for (i = 0;i < 3;i++)
456 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
458 if (cls.demoplayback)
460 // interpolate the angles
461 for (j = 0;j < 3;j++)
463 d = cl.mviewangles[0][j] - cl.mviewangles[1][j];
468 cl.viewangles[j] = cl.mviewangles[1][j] + frac*d;
472 bobjrotate = ANGLEMOD(100*cl.time);
473 // bobjoffset = cos(180 * cl.time * M_PI / 180) * 4.0f + 4.0f;
475 // start on the entity after the world
476 for (i = 1, ent = cl_entities + 1;i < MAX_EDICTS /*cl.num_entities*/;i++, ent++)
478 // if the object wasn't included in the latest packet, remove it
479 if (!ent->state_current.modelindex)
482 VectorCopy (ent->render.origin, oldorg);
484 if (!ent->state_previous.modelindex)
486 // only one state available
487 VectorCopy (ent->state_current.origin, ent->render.origin);
488 VectorCopy (ent->state_current.angles, ent->render.angles);
489 // Con_Printf(" %i", i);
493 // if the delta is large, assume a teleport and don't lerp
494 f = CL_EntityLerpPoint(ent);
497 for (j = 0;j < 3;j++)
499 delta[j] = ent->state_current.origin[j] - ent->state_previous.origin[j];
500 // LordHavoc: increased lerp tolerance from 100 to 200
501 if (delta[j] > 200 || delta[j] < -200)
508 VectorCopy (ent->state_current.origin, ent->render.origin);
509 VectorCopy (ent->state_current.angles, ent->render.angles);
513 // interpolate the origin and angles
514 for (j = 0;j < 3;j++)
516 ent->render.origin[j] = ent->state_previous.origin[j] + f*delta[j];
518 d = ent->state_current.angles[j] - ent->state_previous.angles[j];
523 ent->render.angles[j] = ent->state_previous.angles[j] + f*d;
528 ent->render.flags = ent->state_current.flags;
529 ent->render.effects = ent->state_current.effects;
530 ent->render.model = cl.model_precache[ent->state_current.modelindex];
531 ent->render.frame = ent->state_current.frame;
532 if (cl.scores == NULL || !ent->state_current.colormap)
533 ent->render.colormap = -1; // no special coloring
535 ent->render.colormap = cl.scores[ent->state_current.colormap - 1].colors; // color it
536 ent->render.skinnum = ent->state_current.skin;
537 ent->render.alpha = ent->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
538 ent->render.scale = ent->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
539 ent->render.glowsize = ent->state_current.glowsize * 4.0f; // FIXME: interpolate?
540 ent->render.glowcolor = ent->state_current.glowcolor;
541 ent->render.colormod[0] = (float) ((ent->state_current.colormod >> 5) & 7) * (1.0f / 7.0f);
542 ent->render.colormod[1] = (float) ((ent->state_current.colormod >> 2) & 7) * (1.0f / 7.0f);
543 ent->render.colormod[2] = (float) (ent->state_current.colormod & 3) * (1.0f / 3.0f);
545 // LordHavoc: if the entity has no effects, don't check each
546 if (ent->render.effects)
548 if (ent->render.effects & EF_BRIGHTFIELD)
549 R_EntityParticles (ent);
550 if (ent->render.effects & EF_MUZZLEFLASH)
554 AngleVectors (ent->render.angles, v, NULL, NULL);
556 v[0] = v[0] * 18 + ent->render.origin[0];
557 v[1] = v[1] * 18 + ent->render.origin[1];
558 v[2] = v[2] * 18 + ent->render.origin[2] + 16;
560 CL_AllocDlight (ent, v, 100, 1, 1, 1, 0, 0.1);
562 if (ent->render.effects & EF_BRIGHTLIGHT)
563 CL_AllocDlight (ent, ent->render.origin, 400, 1, 1, 1, 0, 0);
564 if (ent->render.effects & EF_DIMLIGHT)
565 CL_AllocDlight (ent, ent->render.origin, 200, 1, 1, 1, 0, 0);
566 // LordHavoc: added EF_RED and EF_BLUE
567 if (ent->render.effects & EF_RED) // red
569 if (ent->render.effects & EF_BLUE) // magenta
570 CL_AllocDlight (ent, ent->render.origin, 200, 1.0f, 0.2f, 1.0f, 0, 0);
572 CL_AllocDlight (ent, ent->render.origin, 200, 1.0f, 0.1f, 0.1f, 0, 0);
574 else if (ent->render.effects & EF_BLUE) // blue
575 CL_AllocDlight (ent, ent->render.origin, 200, 0.1f, 0.1f, 1.0f, 0, 0);
576 else if (ent->render.effects & EF_FLAME)
578 if (ent->render.model)
582 VectorAdd(ent->render.origin, ent->render.model->mins, mins);
583 VectorAdd(ent->render.origin, ent->render.model->maxs, maxs);
584 // how many flames to make
585 temp = (int) (cl.time * 300) - (int) (cl.oldtime * 300);
586 R_FlameCube(mins, maxs, temp);
588 CL_AllocDlight (ent, ent->render.origin, lhrandom(200, 250), 1.0f, 0.7f, 0.3f, 0, 0);
592 // LordHavoc: if the model has no flags, don't check each
593 if (ent->render.model && ent->render.model->flags)
595 if (ent->render.model->flags & EF_ROTATE)
597 ent->render.angles[1] = bobjrotate;
598 // ent->render.origin[2] += bobjoffset;
600 // only do trails if present in the previous frame as well
601 if (ent->state_previous.modelindex)
603 if (ent->render.model->flags & EF_GIB)
604 R_RocketTrail (oldorg, ent->render.origin, 2, ent);
605 else if (ent->render.model->flags & EF_ZOMGIB)
606 R_RocketTrail (oldorg, ent->render.origin, 4, ent);
607 else if (ent->render.model->flags & EF_TRACER)
608 R_RocketTrail (oldorg, ent->render.origin, 3, ent);
609 else if (ent->render.model->flags & EF_TRACER2)
610 R_RocketTrail (oldorg, ent->render.origin, 5, ent);
611 else if (ent->render.model->flags & EF_ROCKET)
613 R_RocketTrail (oldorg, ent->render.origin, 0, ent);
614 CL_AllocDlight (ent, ent->render.origin, 200, 1.0f, 0.8f, 0.4f, 0, 0);
616 else if (ent->render.model->flags & EF_GRENADE)
618 if (ent->render.alpha == -1) // LordHavoc: Nehahra dem compatibility
619 R_RocketTrail (oldorg, ent->render.origin, 7, ent);
621 R_RocketTrail (oldorg, ent->render.origin, 1, ent);
623 else if (ent->render.model->flags & EF_TRACER3)
624 R_RocketTrail (oldorg, ent->render.origin, 6, ent);
627 if (ent->render.glowsize) // LordHavoc: customizable glow
629 byte *tempcolor = (byte *)&d_8to24table[ent->render.glowcolor];
630 CL_AllocDlight (ent, ent->render.origin, ent->render.glowsize, tempcolor[0]*(1.0/255.0), tempcolor[1]*(1.0/255.0), tempcolor[2]*(1.0/255.0), 0, 0);
632 if (ent->render.flags & RENDER_GLOWTRAIL) // LordHavoc: customizable glow and trail
633 R_RocketTrail2 (oldorg, ent->render.origin, ent->render.glowcolor, ent);
635 if (i == cl.viewentity && !chase_active.value)
638 if (ent->render.model == NULL)
640 if (ent->render.effects & EF_NODRAW)
642 if (cl_numvisedicts < MAX_VISEDICTS)
643 cl_visedicts[cl_numvisedicts++] = ent;
649 // used by cl_shownet
656 Read all incoming data from the server
659 int CL_ReadFromServer (void)
663 cl.oldtime = cl.time;
664 cl.time += cl.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);
682 CL_RelinkEntities ();
687 // bring the links up to date
697 void CL_SendCmd (void)
701 if (cls.state != ca_connected)
704 if (cls.signon == SIGNONS)
706 // get basic movement from keyboard
709 // allow mice or other external controllers to add to the move
712 // 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 ======================
788 if (Cmd_Argc () == 1)
790 Con_Printf ("\"fog\" is \"%f %f %f %f\"\n", fog_density, fog_red, fog_green, fog_blue);
793 fog_density = atof(Cmd_Argv(1));
794 fog_red = atof(Cmd_Argv(2));
795 fog_green = atof(Cmd_Argv(3));
796 fog_blue = atof(Cmd_Argv(4));
799 cvar_t demo_nehahra = {"demo_nehahra", "0"};
808 SZ_Alloc (&cls.message, 1024);
814 // register our commands
816 Cvar_RegisterVariable (&cl_name);
817 Cvar_RegisterVariable (&cl_color);
818 Cvar_RegisterVariable (&cl_pmodel);
819 Cvar_RegisterVariable (&cl_upspeed);
820 Cvar_RegisterVariable (&cl_forwardspeed);
821 Cvar_RegisterVariable (&cl_backspeed);
822 Cvar_RegisterVariable (&cl_sidespeed);
823 Cvar_RegisterVariable (&cl_movespeedkey);
824 Cvar_RegisterVariable (&cl_yawspeed);
825 Cvar_RegisterVariable (&cl_pitchspeed);
826 Cvar_RegisterVariable (&cl_anglespeedkey);
827 Cvar_RegisterVariable (&cl_shownet);
828 Cvar_RegisterVariable (&cl_nolerp);
829 Cvar_RegisterVariable (&lookspring);
830 Cvar_RegisterVariable (&lookstrafe);
831 Cvar_RegisterVariable (&sensitivity);
833 Cvar_RegisterVariable (&m_pitch);
834 Cvar_RegisterVariable (&m_yaw);
835 Cvar_RegisterVariable (&m_forward);
836 Cvar_RegisterVariable (&m_side);
838 // Cvar_RegisterVariable (&cl_autofire);
840 Cmd_AddCommand ("entities", CL_PrintEntities_f);
841 Cmd_AddCommand ("disconnect", CL_Disconnect_f);
842 Cmd_AddCommand ("record", CL_Record_f);
843 Cmd_AddCommand ("stop", CL_Stop_f);
844 Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
845 Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
847 Cmd_AddCommand ("fog", CL_Fog_f);
849 // LordHavoc: added pausedemo
850 Cmd_AddCommand ("pausedemo", CL_PauseDemo_f);
851 // LordHavoc: added pmodel command (like name, etc, only intended for Nehahra)
852 Cmd_AddCommand ("pmodel", CL_PModel_f);
853 // LordHavoc: added demo_nehahra cvar
854 Cvar_RegisterVariable (&demo_nehahra);
856 Cvar_SetValue("demo_nehahra", 1);