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 // clear contents blends
115 cl.cshifts[0].percent = 0;
116 cl.cshifts[1].percent = 0;
117 cl.cshifts[2].percent = 0;
118 cl.cshifts[3].percent = 0;
120 // if running a local server, shut it down
121 if (cls.demoplayback)
123 else if (cls.state == ca_connected)
125 if (cls.demorecording)
128 Con_DPrintf ("Sending clc_disconnect\n");
129 SZ_Clear (&cls.message);
130 MSG_WriteByte (&cls.message, clc_disconnect);
131 NET_SendUnreliableMessage (cls.netcon, &cls.message);
132 SZ_Clear (&cls.message);
133 NET_Close (cls.netcon);
135 cls.state = ca_disconnected;
137 Host_ShutdownServer(false);
140 cls.demoplayback = cls.timedemo = false;
144 void CL_Disconnect_f (void)
148 Host_ShutdownServer (false);
155 =====================
156 CL_EstablishConnection
158 Host should be either "local" or a net address to be passed on
159 =====================
161 void CL_EstablishConnection (char *host)
163 if (cls.state == ca_dedicated)
166 if (cls.demoplayback)
171 cls.netcon = NET_Connect (host);
173 Host_Error ("CL_Connect: connect failed\n");
174 Con_DPrintf ("CL_EstablishConnection: connected to %s\n", host);
176 cls.demonum = -1; // not in the demo loop now
177 cls.state = ca_connected;
178 cls.signon = 0; // need all the signon messages before playing
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
233 =====================
236 Called to play the next demo in the demo loop
237 =====================
239 void CL_NextDemo (void)
243 if (cls.demonum == -1)
244 return; // don't play demos
246 // SCR_BeginLoadingPlaque ();
248 if (!cls.demos[cls.demonum][0] || cls.demonum == MAX_DEMOS)
251 if (!cls.demos[cls.demonum][0])
253 Con_Printf ("No demos listed with startdemos\n");
259 sprintf (str,"playdemo %s\n", cls.demos[cls.demonum]);
260 Cbuf_InsertText (str);
269 void CL_PrintEntities_f (void)
274 for (i = 0, ent = cl_entities;i < MAX_EDICTS /*cl.num_entities*/;i++, ent++)
276 Con_Printf ("%3i:", i);
277 if (!ent->render.model)
279 Con_Printf ("EMPTY\n");
282 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]);
293 void CL_AllocDlight (entity_t *ent, vec3_t org, float radius, float red, float green, float blue, float decay, float lifetime)
298 // first look for an exact key match
302 for (i = 0;i < MAX_DLIGHTS;i++, dl++)
307 // then look for anything else
309 for (i = 0;i < MAX_DLIGHTS;i++, dl++)
313 // unable to find one
317 memset (dl, 0, sizeof(*dl));
319 VectorCopy(org, dl->origin);
322 dl->color[1] = green;
325 dl->die = cl.time + lifetime;
335 void CL_DecayLights (void)
341 time = cl.time - cl.oldtime;
345 for (i=0 ; i<MAX_DLIGHTS ; i++, dl++)
349 if (dl->die < cl.time)
355 c_dlights++; // count every dlight in use
357 dl->radius -= time*dl->decay;
368 Determines the fraction between the last two messages that the objects
372 float CL_LerpPoint (void)
376 f = cl.mtime[0] - cl.mtime[1];
378 // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
379 if (!f || cl_nolerp.value || cls.timedemo || (sv.active && svs.maxclients == 1))
381 cl.time = cl.mtime[0];
386 { // dropped packet, or start of demo
387 cl.mtime[1] = cl.mtime[0] - 0.1;
390 frac = (cl.time - cl.mtime[1]) / f;
391 // Con_Printf ("frac: %f\n",frac);
396 cl.time = cl.mtime[1];
397 // Con_Printf ("low frac\n");
405 cl.time = cl.mtime[0];
406 // Con_Printf ("high frac\n");
414 float CL_EntityLerpPoint (entity_t *ent)
418 if (cl_nolerp.value || cls.timedemo || (sv.active && svs.maxclients == 1))
421 f = ent->state_current.time - ent->state_previous.time;
422 // Con_Printf(" %g-%g=%g", ent->state_current.time, ent->state_previous.time, f);
429 // Con_Printf(" %g-%g/%g=%f", cl.time, ent->state_previous.time, f, (cl.time - ent->state_previous.time) / f);
430 f = (cl.time - ent->state_previous.time) / f;
431 return bound(0, f, 1);
434 void CL_RelinkStaticEntities()
436 entity_t *ent, *endent;
437 if (cl.num_statics > MAX_VISEDICTS)
438 Host_Error("CL_RelinkStaticEntities: cl.num_statics > MAX_VISEDICTS??\n");
440 ent = cl_static_entities;
441 endent = ent + cl.num_statics;
442 for (;ent < endent;ent++)
443 cl_visedicts[cl_numvisedicts++] = ent;
451 void R_RocketTrail2 (vec3_t start, vec3_t end, int color, entity_t *ent);
452 void CL_RelinkEntities (void)
456 float frac, f, d, bobjrotate/*, bobjoffset*/, dlightradius;
457 vec3_t oldorg, delta, dlightcolor;
459 // determine partial update time
460 frac = CL_LerpPoint ();
464 CL_RelinkStaticEntities();
467 // interpolate player info
469 for (i = 0;i < 3;i++)
470 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
472 if (cls.demoplayback)
474 // interpolate the angles
475 for (j = 0;j < 3;j++)
477 d = cl.mviewangles[0][j] - cl.mviewangles[1][j];
482 cl.viewangles[j] = cl.mviewangles[1][j] + frac*d;
486 bobjrotate = ANGLEMOD(100*cl.time);
487 // bobjoffset = cos(180 * cl.time * M_PI / 180) * 4.0f + 4.0f;
489 // start on the entity after the world
490 for (i = 1, ent = cl_entities + 1;i < MAX_EDICTS /*cl.num_entities*/;i++, ent++)
492 // if the object wasn't included in the latest packet, remove it
493 if (!ent->state_current.active)
496 VectorCopy (ent->render.origin, oldorg);
498 if (!ent->state_previous.active)
500 // only one state available
501 VectorCopy (ent->state_current.origin, ent->render.origin);
502 VectorCopy (ent->state_current.angles, ent->render.angles);
503 // Con_Printf(" %i", i);
507 // if the delta is large, assume a teleport and don't lerp
508 f = CL_EntityLerpPoint(ent);
511 for (j = 0;j < 3;j++)
513 delta[j] = ent->state_current.origin[j] - ent->state_previous.origin[j];
514 // LordHavoc: increased lerp tolerance from 100 to 200
515 if (delta[j] > 200 || delta[j] < -200)
522 VectorCopy (ent->state_current.origin, ent->render.origin);
523 VectorCopy (ent->state_current.angles, ent->render.angles);
527 // interpolate the origin and angles
528 for (j = 0;j < 3;j++)
530 ent->render.origin[j] = ent->state_previous.origin[j] + f*delta[j];
532 d = ent->state_current.angles[j] - ent->state_previous.angles[j];
537 ent->render.angles[j] = ent->state_previous.angles[j] + f*d;
542 ent->render.flags = ent->state_current.flags;
543 ent->render.effects = ent->state_current.effects;
544 ent->render.model = cl.model_precache[ent->state_current.modelindex];
545 ent->render.frame = ent->state_current.frame;
546 if (cl.scores == NULL || !ent->state_current.colormap)
547 ent->render.colormap = -1; // no special coloring
549 ent->render.colormap = cl.scores[ent->state_current.colormap - 1].colors; // color it
550 ent->render.skinnum = ent->state_current.skin;
551 ent->render.alpha = ent->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
552 ent->render.scale = ent->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
553 ent->render.glowsize = ent->state_current.glowsize * 4.0f; // FIXME: interpolate?
554 ent->render.glowcolor = ent->state_current.glowcolor;
555 ent->render.colormod[0] = (float) ((ent->state_current.colormod >> 5) & 7) * (1.0f / 7.0f);
556 ent->render.colormod[1] = (float) ((ent->state_current.colormod >> 2) & 7) * (1.0f / 7.0f);
557 ent->render.colormod[2] = (float) (ent->state_current.colormod & 3) * (1.0f / 3.0f);
564 // LordHavoc: if the entity has no effects, don't check each
565 if (ent->render.effects)
567 if (ent->render.effects & EF_BRIGHTFIELD)
568 R_EntityParticles (ent);
569 if (ent->render.effects & EF_MUZZLEFLASH)
573 AngleVectors (ent->render.angles, v, NULL, NULL);
575 v[0] = v[0] * 18 + ent->render.origin[0];
576 v[1] = v[1] * 18 + ent->render.origin[1];
577 v[2] = v[2] * 18 + ent->render.origin[2] + 16;
579 CL_AllocDlight (NULL, v, 100, 1, 1, 1, 0, 0.1);
581 if (ent->render.effects & EF_DIMLIGHT)
583 dlightcolor[0] += 200.0f;
584 dlightcolor[1] += 200.0f;
585 dlightcolor[2] += 200.0f;
587 if (ent->render.effects & EF_BRIGHTLIGHT)
589 dlightcolor[0] += 400.0f;
590 dlightcolor[1] += 400.0f;
591 dlightcolor[2] += 400.0f;
593 // LordHavoc: added EF_RED and EF_BLUE
594 if (ent->render.effects & EF_RED) // red
596 dlightcolor[0] += 200.0f;
597 dlightcolor[1] += 20.0f;
598 dlightcolor[2] += 20.0f;
600 if (ent->render.effects & EF_BLUE) // blue
602 dlightcolor[0] += 20.0f;
603 dlightcolor[1] += 20.0f;
604 dlightcolor[2] += 200.0f;
606 else if (ent->render.effects & EF_FLAME)
608 if (ent->render.model)
612 VectorAdd(ent->render.origin, ent->render.model->mins, mins);
613 VectorAdd(ent->render.origin, ent->render.model->maxs, maxs);
614 // how many flames to make
615 temp = (int) (cl.time * 300) - (int) (cl.oldtime * 300);
616 R_FlameCube(mins, maxs, temp);
618 d = lhrandom(200, 250);
619 dlightcolor[0] += d * 1.0f;
620 dlightcolor[1] += d * 0.7f;
621 dlightcolor[2] += d * 0.3f;
625 // LordHavoc: if the model has no flags, don't check each
626 if (ent->render.model && ent->render.model->flags)
628 if (ent->render.model->flags & EF_ROTATE)
630 ent->render.angles[1] = bobjrotate;
631 // ent->render.origin[2] += bobjoffset;
633 // only do trails if present in the previous frame as well
634 if (ent->state_previous.active)
636 if (ent->render.model->flags & EF_GIB)
637 R_RocketTrail (oldorg, ent->render.origin, 2, ent);
638 else if (ent->render.model->flags & EF_ZOMGIB)
639 R_RocketTrail (oldorg, ent->render.origin, 4, ent);
640 else if (ent->render.model->flags & EF_TRACER)
641 R_RocketTrail (oldorg, ent->render.origin, 3, ent);
642 else if (ent->render.model->flags & EF_TRACER2)
643 R_RocketTrail (oldorg, ent->render.origin, 5, ent);
644 else if (ent->render.model->flags & EF_ROCKET)
646 R_RocketTrail (oldorg, ent->render.origin, 0, ent);
647 dlightcolor[0] += 200.0f;
648 dlightcolor[1] += 160.0f;
649 dlightcolor[2] += 80.0f;
651 else if (ent->render.model->flags & EF_GRENADE)
653 if (ent->render.alpha == -1) // LordHavoc: Nehahra dem compatibility
654 R_RocketTrail (oldorg, ent->render.origin, 7, ent);
656 R_RocketTrail (oldorg, ent->render.origin, 1, ent);
658 else if (ent->render.model->flags & EF_TRACER3)
659 R_RocketTrail (oldorg, ent->render.origin, 6, ent);
662 // LordHavoc: customizable glow
663 if (ent->render.glowsize)
665 byte *tempcolor = (byte *)&d_8to24table[ent->render.glowcolor];
666 dlightcolor[0] += ent->render.glowsize * tempcolor[0] * (1.0f / 255.0f);
667 dlightcolor[1] += ent->render.glowsize * tempcolor[1] * (1.0f / 255.0f);
668 dlightcolor[2] += ent->render.glowsize * tempcolor[2] * (1.0f / 255.0f);
670 // LordHavoc: customizable trail
671 if (ent->render.flags & RENDER_GLOWTRAIL)
672 R_RocketTrail2 (oldorg, ent->render.origin, ent->render.glowcolor, ent);
674 if (dlightcolor[0] || dlightcolor[1] || dlightcolor[2])
676 dlightradius = VectorLength(dlightcolor);
677 d = 1.0f / dlightradius;
678 CL_AllocDlight (ent, ent->render.origin, dlightradius, dlightcolor[0] * d, dlightcolor[1] * d, dlightcolor[2] * d, 0, 0);
681 if (i == cl.viewentity && !chase_active.value)
684 if (ent->render.model == NULL)
686 if (ent->render.effects & EF_NODRAW)
688 if (cl_numvisedicts < MAX_VISEDICTS)
689 cl_visedicts[cl_numvisedicts++] = ent;
695 // used by cl_shownet
702 Read all incoming data from the server
705 int CL_ReadFromServer (void)
709 cl.oldtime = cl.time;
710 cl.time += cl.frametime;
715 ret = CL_GetMessage ();
717 Host_Error ("CL_ReadFromServer: lost server connection");
721 cl.last_received_message = realtime;
722 CL_ParseServerMessage ();
723 } while (ret && cls.state == ca_connected);
728 CL_RelinkEntities ();
733 // bring the links up to date
743 void CL_SendCmd (void)
747 if (cls.state != ca_connected)
750 if (cls.signon == SIGNONS)
752 // get basic movement from keyboard
755 // allow mice or other external controllers to add to the move
758 // send the unreliable message
762 if (cls.demoplayback)
764 SZ_Clear (&cls.message);
768 // send the reliable message
769 if (!cls.message.cursize)
770 return; // no message at all
772 if (!NET_CanSendMessage (cls.netcon))
774 Con_DPrintf ("CL_WriteToServer: can't send\n");
778 if (NET_SendMessage (cls.netcon, &cls.message) == -1)
779 Host_Error ("CL_WriteToServer: lost server connection");
781 SZ_Clear (&cls.message);
784 // LordHavoc: pausedemo command
785 void CL_PauseDemo_f (void)
787 cls.demopaused = !cls.demopaused;
789 Con_Printf("Demo paused\n");
791 Con_Printf("Demo unpaused\n");
795 ======================
797 LordHavoc: Intended for Nehahra, I personally think this is dumb, but Mindcrime won't listen.
798 ======================
800 void CL_PModel_f (void)
805 if (Cmd_Argc () == 1)
807 Con_Printf ("\"pmodel\" is \"%s\"\n", cl_pmodel.string);
810 i = atoi(Cmd_Argv(1));
812 if (cmd_source == src_command)
814 if (cl_pmodel.value == i)
816 Cvar_SetValue ("_cl_pmodel", i);
817 if (cls.state == ca_connected)
818 Cmd_ForwardToServer ();
822 host_client->pmodel = i;
823 if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_pmodel)))
828 ======================
830 ======================
834 if (Cmd_Argc () == 1)
836 Con_Printf ("\"fog\" is \"%f %f %f %f\"\n", fog_density, fog_red, fog_green, fog_blue);
839 fog_density = atof(Cmd_Argv(1));
840 fog_red = atof(Cmd_Argv(2));
841 fog_green = atof(Cmd_Argv(3));
842 fog_blue = atof(Cmd_Argv(4));
845 cvar_t demo_nehahra = {"demo_nehahra", "0"};
854 SZ_Alloc (&cls.message, 1024);
860 // register our commands
862 Cvar_RegisterVariable (&cl_name);
863 Cvar_RegisterVariable (&cl_color);
864 Cvar_RegisterVariable (&cl_pmodel);
865 Cvar_RegisterVariable (&cl_upspeed);
866 Cvar_RegisterVariable (&cl_forwardspeed);
867 Cvar_RegisterVariable (&cl_backspeed);
868 Cvar_RegisterVariable (&cl_sidespeed);
869 Cvar_RegisterVariable (&cl_movespeedkey);
870 Cvar_RegisterVariable (&cl_yawspeed);
871 Cvar_RegisterVariable (&cl_pitchspeed);
872 Cvar_RegisterVariable (&cl_anglespeedkey);
873 Cvar_RegisterVariable (&cl_shownet);
874 Cvar_RegisterVariable (&cl_nolerp);
875 Cvar_RegisterVariable (&lookspring);
876 Cvar_RegisterVariable (&lookstrafe);
877 Cvar_RegisterVariable (&sensitivity);
879 Cvar_RegisterVariable (&m_pitch);
880 Cvar_RegisterVariable (&m_yaw);
881 Cvar_RegisterVariable (&m_forward);
882 Cvar_RegisterVariable (&m_side);
884 // Cvar_RegisterVariable (&cl_autofire);
886 Cmd_AddCommand ("entities", CL_PrintEntities_f);
887 Cmd_AddCommand ("disconnect", CL_Disconnect_f);
888 Cmd_AddCommand ("record", CL_Record_f);
889 Cmd_AddCommand ("stop", CL_Stop_f);
890 Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
891 Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
893 Cmd_AddCommand ("fog", CL_Fog_f);
895 // LordHavoc: added pausedemo
896 Cmd_AddCommand ("pausedemo", CL_PauseDemo_f);
897 // LordHavoc: added pmodel command (like name, etc, only intended for Nehahra)
898 Cmd_AddCommand ("pmodel", CL_PModel_f);
899 // LordHavoc: added demo_nehahra cvar
900 Cvar_RegisterVariable (&demo_nehahra);
902 Cvar_SetValue("demo_nehahra", 1);