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 = {CVAR_SAVE, "_cl_name", "player"};
29 cvar_t cl_color = {CVAR_SAVE, "_cl_color", "0"};
30 cvar_t cl_pmodel = {CVAR_SAVE, "_cl_pmodel", "0"};
32 cvar_t cl_shownet = {0, "cl_shownet","0"};
33 cvar_t cl_nolerp = {0, "cl_nolerp", "0"};
35 cvar_t lookspring = {CVAR_SAVE, "lookspring","0"};
36 cvar_t lookstrafe = {CVAR_SAVE, "lookstrafe","0"};
37 cvar_t sensitivity = {CVAR_SAVE, "sensitivity","3", 1, 30};
39 cvar_t m_pitch = {CVAR_SAVE, "m_pitch","0.022"};
40 cvar_t m_yaw = {CVAR_SAVE, "m_yaw","0.022"};
41 cvar_t m_forward = {CVAR_SAVE, "m_forward","1"};
42 cvar_t m_side = {CVAR_SAVE, "m_side","0.8"};
44 cvar_t freelook = {CVAR_SAVE, "freelook", "1"};
48 // FIXME: put these on hunk?
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_entities, 0, sizeof(cl_entities));
77 memset (cl_dlights, 0, sizeof(cl_dlights));
78 memset (cl_lightstyle, 0, sizeof(cl_lightstyle));
79 memset (cl_temp_entities, 0, sizeof(cl_temp_entities));
80 memset (cl_beams, 0, sizeof(cl_beams));
81 // LordHavoc: have to set up the baseline info for alpha and other stuff
82 for (i = 0;i < MAX_EDICTS;i++)
84 ClearStateToDefault(&cl_entities[i].state_baseline);
85 ClearStateToDefault(&cl_entities[i].state_previous);
86 ClearStateToDefault(&cl_entities[i].state_current);
94 Sends a disconnect message to the server
95 This is also called on Host_Error, so it shouldn't cause any errors
98 void CL_Disconnect (void)
100 // stop sounds (especially looping!)
101 S_StopAllSounds (true);
103 // clear contents blends
104 cl.cshifts[0].percent = 0;
105 cl.cshifts[1].percent = 0;
106 cl.cshifts[2].percent = 0;
107 cl.cshifts[3].percent = 0;
109 // if running a local server, shut it down
110 if (cls.demoplayback)
112 else if (cls.state == ca_connected)
114 if (cls.demorecording)
117 Con_DPrintf ("Sending clc_disconnect\n");
118 SZ_Clear (&cls.message);
119 MSG_WriteByte (&cls.message, clc_disconnect);
120 NET_SendUnreliableMessage (cls.netcon, &cls.message);
121 SZ_Clear (&cls.message);
122 NET_Close (cls.netcon);
124 cls.state = ca_disconnected;
126 Host_ShutdownServer(false);
129 cls.demoplayback = cls.timedemo = false;
133 void CL_Disconnect_f (void)
137 Host_ShutdownServer (false);
144 =====================
145 CL_EstablishConnection
147 Host should be either "local" or a net address to be passed on
148 =====================
150 void CL_EstablishConnection (char *host)
152 if (cls.state == ca_dedicated)
155 if (cls.demoplayback)
160 cls.netcon = NET_Connect (host);
162 Host_Error ("CL_Connect: connect failed\n");
163 Con_DPrintf ("CL_EstablishConnection: connected to %s\n", host);
165 cls.demonum = -1; // not in the demo loop now
166 cls.state = ca_connected;
167 cls.signon = 0; // need all the signon messages before playing
171 =====================
174 An svc_signonnum has been received, perform a client side setup
175 =====================
177 void CL_SignonReply (void)
181 Con_DPrintf ("CL_SignonReply: %i\n", cls.signon);
186 MSG_WriteByte (&cls.message, clc_stringcmd);
187 MSG_WriteString (&cls.message, "prespawn");
191 MSG_WriteByte (&cls.message, clc_stringcmd);
192 MSG_WriteString (&cls.message, va("name \"%s\"\n", cl_name.string));
194 MSG_WriteByte (&cls.message, clc_stringcmd);
195 MSG_WriteString (&cls.message, va("color %i %i\n", ((int)cl_color.value)>>4, ((int)cl_color.value)&15));
199 MSG_WriteByte (&cls.message, clc_stringcmd);
200 MSG_WriteString (&cls.message, va("pmodel %f\n", cl_pmodel.value));
203 MSG_WriteByte (&cls.message, clc_stringcmd);
204 sprintf (str, "spawn %s", cls.spawnparms);
205 MSG_WriteString (&cls.message, str);
209 MSG_WriteByte (&cls.message, clc_stringcmd);
210 MSG_WriteString (&cls.message, "begin");
211 Cache_Report (); // print remaining memory
215 // SCR_EndLoadingPlaque (); // allow normal screen updates
222 =====================
225 Called to play the next demo in the demo loop
226 =====================
228 void CL_NextDemo (void)
232 if (cls.demonum == -1)
233 return; // don't play demos
235 // SCR_BeginLoadingPlaque ();
237 if (!cls.demos[cls.demonum][0] || cls.demonum == MAX_DEMOS)
240 if (!cls.demos[cls.demonum][0])
242 Con_Printf ("No demos listed with startdemos\n");
248 sprintf (str,"playdemo %s\n", cls.demos[cls.demonum]);
249 Cbuf_InsertText (str);
258 void CL_PrintEntities_f (void)
264 for (i = 0, ent = cl_entities;i < MAX_EDICTS /*cl.num_entities*/;i++, ent++)
266 if (!ent->state_current.active)
268 if (!ent->render.model)
271 Con_Printf ("%3i:", i);
272 if (!ent->render.model)
274 Con_Printf ("EMPTY\n");
277 strncpy(name, ent->render.model->name, 30);
279 for (j = strlen(name);j < 30;j++)
281 Con_Printf ("%s:%04i (%5i %5i %5i) [%3i %3i %3i]\n", name, ent->render.frame, (int) ent->render.origin[0], (int) ent->render.origin[1], (int) ent->render.origin[2], (int) ent->render.angles[0] % 360, (int) ent->render.angles[1] % 360, (int) ent->render.angles[2] % 360);
292 void CL_AllocDlight (entity_t *ent, vec3_t org, float radius, float red, float green, float blue, float decay, float lifetime)
297 // first look for an exact key match
301 for (i = 0;i < MAX_DLIGHTS;i++, dl++)
306 // then look for anything else
308 for (i = 0;i < MAX_DLIGHTS;i++, dl++)
312 // unable to find one
316 memset (dl, 0, sizeof(*dl));
318 VectorCopy(org, dl->origin);
321 dl->color[1] = green;
324 dl->die = cl.time + lifetime;
334 void CL_DecayLights (void)
340 time = cl.time - cl.oldtime;
344 for (i=0 ; i<MAX_DLIGHTS ; i++, dl++)
348 if (dl->die < cl.time)
354 c_dlights++; // count every dlight in use
356 dl->radius -= time*dl->decay;
367 Determines the fraction between the last two messages that the objects
371 float CL_LerpPoint (void)
375 f = cl.mtime[0] - cl.mtime[1];
377 // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
378 if (!f || cl_nolerp.value || cls.timedemo || (sv.active && svs.maxclients == 1))
380 cl.time = cl.mtime[0];
385 { // dropped packet, or start of demo
386 cl.mtime[1] = cl.mtime[0] - 0.1;
389 frac = (cl.time - cl.mtime[1]) / f;
390 // Con_Printf ("frac: %f\n",frac);
395 cl.time = cl.mtime[1];
396 // Con_Printf ("low frac\n");
404 cl.time = cl.mtime[0];
405 // Con_Printf ("high frac\n");
413 float CL_EntityLerpPoint (entity_t *ent)
417 if (cl_nolerp.value || cls.timedemo || (sv.active && svs.maxclients == 1))
420 f = ent->state_current.time - ent->state_previous.time;
421 // Con_Printf(" %g-%g=%g", ent->state_current.time, ent->state_previous.time, f);
428 // Con_Printf(" %g-%g/%g=%f", cl.time, ent->state_previous.time, f, (cl.time - ent->state_previous.time) / f);
429 f = (cl.time - ent->state_previous.time) / f;
430 return bound(0, f, 1);
433 void CL_RelinkStaticEntities(void)
435 entity_t *ent, *endent;
436 if (cl.num_statics > MAX_VISEDICTS)
437 Host_Error("CL_RelinkStaticEntities: cl.num_statics > MAX_VISEDICTS??\n");
439 ent = cl_static_entities;
440 endent = ent + cl.num_statics;
441 for (;ent < endent;ent++)
442 cl_visedicts[cl_numvisedicts++] = ent;
450 void R_RocketTrail2 (vec3_t start, vec3_t end, int color, entity_t *ent);
451 void CL_RelinkEntities (void)
454 int i, j, glowcolor, effects;
455 float frac, f, d, bobjrotate/*, bobjoffset*/, dlightradius, glowsize;
456 vec3_t oldorg, delta, dlightcolor;
458 // determine partial update time
459 frac = CL_LerpPoint ();
463 CL_RelinkStaticEntities();
466 // interpolate player info
468 for (i = 0;i < 3;i++)
469 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
471 if (cls.demoplayback)
473 // interpolate the angles
474 for (j = 0;j < 3;j++)
476 d = cl.mviewangles[0][j] - cl.mviewangles[1][j];
481 cl.viewangles[j] = cl.mviewangles[1][j] + frac*d;
485 bobjrotate = ANGLEMOD(100*cl.time);
486 // bobjoffset = cos(180 * cl.time * M_PI / 180) * 4.0f + 4.0f;
488 // start on the entity after the world
489 for (i = 1, ent = cl_entities + 1;i < MAX_EDICTS /*cl.num_entities*/;i++, ent++)
491 // if the object wasn't included in the latest packet, remove it
492 if (!ent->state_current.active)
495 VectorCopy (ent->render.origin, oldorg);
497 if (!ent->state_previous.active)
499 // only one state available
500 VectorCopy (ent->state_current.origin, ent->render.origin);
501 VectorCopy (ent->state_current.angles, ent->render.angles);
502 // Con_Printf(" %i", i);
506 // if the delta is large, assume a teleport and don't lerp
507 f = CL_EntityLerpPoint(ent);
510 for (j = 0;j < 3;j++)
512 delta[j] = ent->state_current.origin[j] - ent->state_previous.origin[j];
513 // LordHavoc: increased lerp tolerance from 100 to 200
514 if (delta[j] > 200 || delta[j] < -200)
521 VectorCopy (ent->state_current.origin, ent->render.origin);
522 VectorCopy (ent->state_current.angles, ent->render.angles);
526 // interpolate the origin and angles
527 for (j = 0;j < 3;j++)
529 ent->render.origin[j] = ent->state_previous.origin[j] + f*delta[j];
531 d = ent->state_current.angles[j] - ent->state_previous.angles[j];
536 ent->render.angles[j] = ent->state_previous.angles[j] + f*d;
541 ent->render.flags = ent->state_current.flags;
542 ent->render.effects = effects = ent->state_current.effects;
543 ent->render.model = cl.model_precache[ent->state_current.modelindex];
544 ent->render.frame = ent->state_current.frame;
545 if (cl.scores == NULL || !ent->state_current.colormap)
546 ent->render.colormap = -1; // no special coloring
548 ent->render.colormap = cl.scores[ent->state_current.colormap - 1].colors; // color it
549 ent->render.skinnum = ent->state_current.skin;
550 ent->render.alpha = ent->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
551 ent->render.scale = ent->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
552 glowsize = ent->state_current.glowsize * 4.0f; // FIXME: interpolate?
553 glowcolor = ent->state_current.glowcolor;
554 ent->render.colormod[0] = (float) ((ent->state_current.colormod >> 5) & 7) * (1.0f / 7.0f);
555 ent->render.colormod[1] = (float) ((ent->state_current.colormod >> 2) & 7) * (1.0f / 7.0f);
556 ent->render.colormod[2] = (float) (ent->state_current.colormod & 3) * (1.0f / 3.0f);
563 // LordHavoc: if the entity has no effects, don't check each
566 if (effects & EF_BRIGHTFIELD)
567 R_EntityParticles (ent);
568 if (effects & EF_MUZZLEFLASH)
572 AngleVectors (ent->render.angles, v, NULL, NULL);
574 v[0] = v[0] * 18 + ent->render.origin[0];
575 v[1] = v[1] * 18 + ent->render.origin[1];
576 v[2] = v[2] * 18 + ent->render.origin[2] + 16;
578 CL_AllocDlight (NULL, v, 100, 1, 1, 1, 0, 0.1);
580 if (effects & EF_DIMLIGHT)
582 dlightcolor[0] += 200.0f;
583 dlightcolor[1] += 200.0f;
584 dlightcolor[2] += 200.0f;
586 if (effects & EF_BRIGHTLIGHT)
588 dlightcolor[0] += 400.0f;
589 dlightcolor[1] += 400.0f;
590 dlightcolor[2] += 400.0f;
592 // LordHavoc: added EF_RED and EF_BLUE
593 if (effects & EF_RED) // red
595 dlightcolor[0] += 200.0f;
596 dlightcolor[1] += 20.0f;
597 dlightcolor[2] += 20.0f;
599 if (effects & EF_BLUE) // blue
601 dlightcolor[0] += 20.0f;
602 dlightcolor[1] += 20.0f;
603 dlightcolor[2] += 200.0f;
605 else if (effects & EF_FLAME)
607 if (ent->render.model)
611 VectorAdd(ent->render.origin, ent->render.model->mins, mins);
612 VectorAdd(ent->render.origin, ent->render.model->maxs, maxs);
613 // how many flames to make
614 temp = (int) (cl.time * 300) - (int) (cl.oldtime * 300);
615 R_FlameCube(mins, maxs, temp);
617 d = lhrandom(200, 250);
618 dlightcolor[0] += d * 1.0f;
619 dlightcolor[1] += d * 0.7f;
620 dlightcolor[2] += d * 0.3f;
624 // LordHavoc: if the model has no flags, don't check each
625 if (ent->render.model && ent->render.model->flags)
627 if (ent->render.model->flags & EF_ROTATE)
629 ent->render.angles[1] = bobjrotate;
630 // ent->render.origin[2] += bobjoffset;
632 // only do trails if present in the previous frame as well
633 if (ent->state_previous.active)
635 if (ent->render.model->flags & EF_GIB)
636 R_RocketTrail (oldorg, ent->render.origin, 2, ent);
637 else if (ent->render.model->flags & EF_ZOMGIB)
638 R_RocketTrail (oldorg, ent->render.origin, 4, ent);
639 else if (ent->render.model->flags & EF_TRACER)
640 R_RocketTrail (oldorg, ent->render.origin, 3, ent);
641 else if (ent->render.model->flags & EF_TRACER2)
642 R_RocketTrail (oldorg, ent->render.origin, 5, ent);
643 else if (ent->render.model->flags & EF_ROCKET)
645 R_RocketTrail (oldorg, ent->render.origin, 0, ent);
646 dlightcolor[0] += 200.0f;
647 dlightcolor[1] += 160.0f;
648 dlightcolor[2] += 80.0f;
650 else if (ent->render.model->flags & EF_GRENADE)
652 if (ent->render.alpha == -1) // LordHavoc: Nehahra dem compatibility
653 R_RocketTrail (oldorg, ent->render.origin, 7, ent);
655 R_RocketTrail (oldorg, ent->render.origin, 1, ent);
657 else if (ent->render.model->flags & EF_TRACER3)
658 R_RocketTrail (oldorg, ent->render.origin, 6, ent);
661 // LordHavoc: customizable glow
664 byte *tempcolor = (byte *)&d_8to24table[glowcolor];
665 dlightcolor[0] += glowsize * tempcolor[0] * (1.0f / 255.0f);
666 dlightcolor[1] += glowsize * tempcolor[1] * (1.0f / 255.0f);
667 dlightcolor[2] += glowsize * tempcolor[2] * (1.0f / 255.0f);
669 // LordHavoc: customizable trail
670 if (ent->render.flags & RENDER_GLOWTRAIL)
671 R_RocketTrail2 (oldorg, ent->render.origin, glowcolor, ent);
673 if (dlightcolor[0] || dlightcolor[1] || dlightcolor[2])
676 dlightradius = VectorLength(dlightcolor);
677 d = 1.0f / dlightradius;
678 VectorCopy(ent->render.origin, vec);
679 if (i == cl.viewentity && !chase_active.value)
681 CL_AllocDlight (ent, vec, dlightradius, dlightcolor[0] * d, dlightcolor[1] * d, dlightcolor[2] * d, 0, 0);
684 if (chase_active.value)
686 if (ent->render.flags & RENDER_VIEWMODEL)
691 if (i == cl.viewentity || (ent->render.flags & RENDER_EXTERIORMODEL))
695 if (ent->render.model == NULL)
697 if (effects & EF_NODRAW)
699 if (cl_numvisedicts < MAX_VISEDICTS)
700 cl_visedicts[cl_numvisedicts++] = ent;
710 Read all incoming data from the server
713 int CL_ReadFromServer (void)
717 cl.oldtime = cl.time;
718 cl.time += cl.frametime;
723 ret = CL_GetMessage ();
725 Host_Error ("CL_ReadFromServer: lost server connection");
729 cl.last_received_message = realtime;
731 if (cl_shownet.value)
734 CL_ParseServerMessage ();
736 while (ret && cls.state == ca_connected);
741 CL_RelinkEntities ();
746 // bring the links up to date
756 void CL_SendCmd (void)
760 if (cls.state != ca_connected)
763 if (cls.signon == SIGNONS)
765 // get basic movement from keyboard
768 // allow mice or other external controllers to add to the move
771 // send the unreliable message
775 if (cls.demoplayback)
777 SZ_Clear (&cls.message);
781 // send the reliable message
782 if (!cls.message.cursize)
783 return; // no message at all
785 if (!NET_CanSendMessage (cls.netcon))
787 Con_DPrintf ("CL_WriteToServer: can't send\n");
791 if (NET_SendMessage (cls.netcon, &cls.message) == -1)
792 Host_Error ("CL_WriteToServer: lost server connection");
794 SZ_Clear (&cls.message);
797 // LordHavoc: pausedemo command
798 void CL_PauseDemo_f (void)
800 cls.demopaused = !cls.demopaused;
802 Con_Printf("Demo paused\n");
804 Con_Printf("Demo unpaused\n");
808 ======================
810 LordHavoc: Intended for Nehahra, I personally think this is dumb, but Mindcrime won't listen.
811 ======================
813 void CL_PModel_f (void)
818 if (Cmd_Argc () == 1)
820 Con_Printf ("\"pmodel\" is \"%s\"\n", cl_pmodel.string);
823 i = atoi(Cmd_Argv(1));
825 if (cmd_source == src_command)
827 if (cl_pmodel.value == i)
829 Cvar_SetValue ("_cl_pmodel", i);
830 if (cls.state == ca_connected)
831 Cmd_ForwardToServer ();
835 host_client->pmodel = i;
836 if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_pmodel)))
841 ======================
843 ======================
847 if (Cmd_Argc () == 1)
849 Con_Printf ("\"fog\" is \"%f %f %f %f\"\n", fog_density, fog_red, fog_green, fog_blue);
852 fog_density = atof(Cmd_Argv(1));
853 fog_red = atof(Cmd_Argv(2));
854 fog_green = atof(Cmd_Argv(3));
855 fog_blue = atof(Cmd_Argv(4));
865 SZ_Alloc (&cls.message, 1024);
871 // register our commands
873 Cvar_RegisterVariable (&cl_name);
874 Cvar_RegisterVariable (&cl_color);
875 Cvar_RegisterVariable (&cl_pmodel);
876 Cvar_RegisterVariable (&cl_upspeed);
877 Cvar_RegisterVariable (&cl_forwardspeed);
878 Cvar_RegisterVariable (&cl_backspeed);
879 Cvar_RegisterVariable (&cl_sidespeed);
880 Cvar_RegisterVariable (&cl_movespeedkey);
881 Cvar_RegisterVariable (&cl_yawspeed);
882 Cvar_RegisterVariable (&cl_pitchspeed);
883 Cvar_RegisterVariable (&cl_anglespeedkey);
884 Cvar_RegisterVariable (&cl_shownet);
885 Cvar_RegisterVariable (&cl_nolerp);
886 Cvar_RegisterVariable (&lookspring);
887 Cvar_RegisterVariable (&lookstrafe);
888 Cvar_RegisterVariable (&sensitivity);
889 Cvar_RegisterVariable (&freelook);
891 Cvar_RegisterVariable (&m_pitch);
892 Cvar_RegisterVariable (&m_yaw);
893 Cvar_RegisterVariable (&m_forward);
894 Cvar_RegisterVariable (&m_side);
896 // Cvar_RegisterVariable (&cl_autofire);
898 Cmd_AddCommand ("entities", CL_PrintEntities_f);
899 Cmd_AddCommand ("bitprofile", CL_BitProfile_f);
900 Cmd_AddCommand ("disconnect", CL_Disconnect_f);
901 Cmd_AddCommand ("record", CL_Record_f);
902 Cmd_AddCommand ("stop", CL_Stop_f);
903 Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
904 Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
906 Cmd_AddCommand ("fog", CL_Fog_f);
908 // LordHavoc: added pausedemo
909 Cmd_AddCommand ("pausedemo", CL_PauseDemo_f);
910 // LordHavoc: added pmodel command (like name, etc, only intended for Nehahra)
911 Cmd_AddCommand ("pmodel", CL_PModel_f);