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1.1 root 1: // cl_main.c -- client main loop
2:
3: #include "quakedef.h"
4:
5: // we need to declare some mouse variables here, because the menu system
6: // references them even when on a unix system.
7:
8: // these two are not intended to be set directly
9: cvar_t cl_name = {"_cl_name", "player", true};
10: cvar_t cl_color = {"_cl_color", "0", true};
11:
12: cvar_t cl_shownet = {"cl_shownet","0"}; // can be 0, 1, or 2
13: cvar_t cl_nolerp = {"cl_nolerp","0"};
14:
15: cvar_t lookspring = {"lookspring","0", true};
16: cvar_t lookstrafe = {"lookstrafe","0", true};
17: cvar_t sensitivity = {"sensitivity","3", true};
18:
19: cvar_t m_pitch = {"m_pitch","0.022", true};
1.1.1.3 ! root 20: cvar_t m_yaw = {"m_yaw","0.022", true};
! 21: cvar_t m_forward = {"m_forward","1", true};
! 22: cvar_t m_side = {"m_side","0.8", true};
1.1 root 23:
24:
25: client_static_t cls;
26: client_state_t cl;
27: // FIXME: put these on hunk?
28: efrag_t cl_efrags[MAX_EFRAGS];
29: entity_t cl_entities[MAX_EDICTS];
30: entity_t cl_static_entities[MAX_STATIC_ENTITIES];
31: lightstyle_t cl_lightstyle[MAX_LIGHTSTYLES];
32: dlight_t cl_dlights[MAX_DLIGHTS];
33:
34: int cl_numvisedicts;
35: entity_t *cl_visedicts[MAX_VISEDICTS];
36:
37: /*
38: =====================
39: CL_ClearState
40:
41: =====================
42: */
43: void CL_ClearState (void)
44: {
45: int i;
46:
47: if (!sv.active)
48: Host_ClearMemory ();
49:
50: // wipe the entire cl structure
51: memset (&cl, 0, sizeof(cl));
52:
53: SZ_Clear (&cls.message);
54:
55: // clear other arrays
56: memset (cl_efrags, 0, sizeof(cl_efrags));
57: memset (cl_entities, 0, sizeof(cl_entities));
58: memset (cl_dlights, 0, sizeof(cl_dlights));
59: memset (cl_lightstyle, 0, sizeof(cl_lightstyle));
60: memset (cl_temp_entities, 0, sizeof(cl_temp_entities));
61: memset (cl_beams, 0, sizeof(cl_beams));
62:
63: //
64: // allocate the efrags and chain together into a free list
65: //
66: cl.free_efrags = cl_efrags;
67: for (i=0 ; i<MAX_EFRAGS-1 ; i++)
68: cl.free_efrags[i].entnext = &cl.free_efrags[i+1];
69: cl.free_efrags[i].entnext = NULL;
70: }
71:
72: /*
73: =====================
74: CL_Disconnect
75:
76: Sends a disconnect message to the server
77: This is also called on Host_Error, so it shouldn't cause any errors
78: =====================
79: */
80: void CL_Disconnect (void)
81: {
82: // stop sounds (especially looping!)
1.1.1.3 ! root 83: S_StopAllSounds (true);
1.1 root 84:
85: // bring the console down and fade the colors back to normal
86: // SCR_BringDownConsole ();
87:
88: // if running a local server, shut it down
89: if (cls.demoplayback)
90: CL_StopPlayback ();
91: else if (cls.state == ca_connected)
92: {
93: if (cls.demorecording)
94: CL_Stop_f ();
95:
96: Con_DPrintf ("Sending clc_disconnect\n");
97: SZ_Clear (&cls.message);
98: MSG_WriteByte (&cls.message, clc_disconnect);
99: NET_SendUnreliableMessage (cls.netcon, &cls.message);
100: SZ_Clear (&cls.message);
101: NET_Close (cls.netcon);
102:
103: cls.state = ca_disconnected;
104: if (sv.active)
105: Host_ShutdownServer(false);
106: }
107:
1.1.1.3 ! root 108: cls.demoplayback = cls.timedemo = false;
1.1 root 109: cls.signon = 0;
110: }
111:
112: void CL_Disconnect_f (void)
113: {
114: CL_Disconnect ();
115: if (sv.active)
116: Host_ShutdownServer (false);
117: }
118:
119:
120:
121:
122: /*
123: =====================
124: CL_EstablishConnection
125:
126: Host should be either "local" or a net address to be passed on
127: =====================
128: */
129: void CL_EstablishConnection (char *host)
130: {
131: if (cls.state == ca_dedicated)
132: return;
133:
134: if (cls.demoplayback)
135: return;
136:
137: CL_Disconnect ();
138:
139: cls.netcon = NET_Connect (host);
140: if (!cls.netcon)
141: Host_Error ("CL_Connect: connect failed\n");
142: Con_DPrintf ("CL_EstablishConnection: connected to %s\n", host);
143:
144: cls.demonum = -1; // not in the demo loop now
145: cls.state = ca_connected;
146: cls.signon = 0; // need all the signon messages before playing
147: }
148:
149: /*
150: =====================
151: CL_SignonReply
152:
153: An svc_signonnum has been received, perform a client side setup
154: =====================
155: */
156: void CL_SignonReply (void)
157: {
158: char str[8192];
159:
160: Con_DPrintf ("CL_SignonReply: %i\n", cls.signon);
161:
162: switch (cls.signon)
163: {
164: case 1:
165: MSG_WriteByte (&cls.message, clc_stringcmd);
166: MSG_WriteString (&cls.message, "prespawn");
167: break;
168:
169: case 2:
170: MSG_WriteByte (&cls.message, clc_stringcmd);
1.1.1.3 ! root 171: MSG_WriteString (&cls.message, va("name \"%s\"\n", cl_name.string));
1.1 root 172:
173: MSG_WriteByte (&cls.message, clc_stringcmd);
174: MSG_WriteString (&cls.message, va("color %i %i\n", ((int)cl_color.value)>>4, ((int)cl_color.value)&15));
175:
176: MSG_WriteByte (&cls.message, clc_stringcmd);
177: sprintf (str, "spawn %s", cls.spawnparms);
178: MSG_WriteString (&cls.message, str);
179: break;
180:
181: case 3:
182: MSG_WriteByte (&cls.message, clc_stringcmd);
183: MSG_WriteString (&cls.message, "begin");
184: Cache_Report (); // print remaining memory
185: break;
186:
187: case 4:
188: SCR_EndLoadingPlaque (); // allow normal screen updates
189: break;
190: }
191: }
192:
193: /*
194: =====================
195: CL_NextDemo
196:
197: Called to play the next demo in the demo loop
198: =====================
199: */
200: void CL_NextDemo (void)
201: {
202: char str[1024];
203:
204: if (cls.demonum == -1)
205: return; // don't play demos
206:
207: SCR_BeginLoadingPlaque ();
208:
209: if (!cls.demos[cls.demonum][0] || cls.demonum == MAX_DEMOS)
210: {
211: cls.demonum = 0;
212: if (!cls.demos[cls.demonum][0])
213: {
214: Con_Printf ("No demos listed with startdemos\n");
215: cls.demonum = -1;
216: return;
217: }
218: }
219:
220: sprintf (str,"playdemo %s\n", cls.demos[cls.demonum]);
221: Cbuf_InsertText (str);
222: cls.demonum++;
223: }
224:
225: /*
226: ==============
227: CL_PrintEntities_f
228: ==============
229: */
230: void CL_PrintEntities_f (void)
231: {
232: entity_t *ent;
233: int i;
234:
235: for (i=0,ent=cl_entities ; i<cl.num_entities ; i++,ent++)
236: {
237: Con_Printf ("%3i:",i);
238: if (!ent->model)
239: {
240: Con_Printf ("EMPTY\n");
241: continue;
242: }
243: Con_Printf ("%s:%2i (%5.1f,%5.1f,%5.1f) [%5.1f %5.1f %5.1f]\n"
244: ,ent->model->name,ent->frame, ent->origin[0], ent->origin[1], ent->origin[2], ent->angles[0], ent->angles[1], ent->angles[2]);
245: }
246: }
247:
248:
249: /*
250: ===============
251: SetPal
252:
253: Debugging tool, just flashes the screen
254: ===============
255: */
256: void SetPal (int i)
257: {
258: #if 0
259: static int old;
260: byte pal[768];
261: int c;
262:
263: if (i == old)
264: return;
265: old = i;
266:
267: if (i==0)
268: VID_SetPalette (host_basepal);
269: else if (i==1)
270: {
271: for (c=0 ; c<768 ; c+=3)
272: {
273: pal[c] = 0;
274: pal[c+1] = 255;
275: pal[c+2] = 0;
276: }
277: VID_SetPalette (pal);
278: }
279: else
280: {
281: for (c=0 ; c<768 ; c+=3)
282: {
283: pal[c] = 0;
284: pal[c+1] = 0;
285: pal[c+2] = 255;
286: }
287: VID_SetPalette (pal);
288: }
289: #endif
290: }
291:
292: /*
293: ===============
294: CL_AllocDlight
295:
296: ===============
297: */
1.1.1.3 ! root 298: dlight_t *CL_AllocDlight (int key)
1.1 root 299: {
300: int i;
301: dlight_t *dl;
1.1.1.3 ! root 302:
! 303: // first look for an exact key match
! 304: if (key)
! 305: {
! 306: dl = cl_dlights;
! 307: for (i=0 ; i<MAX_DLIGHTS ; i++, dl++)
! 308: {
! 309: if (dl->key == key)
! 310: {
! 311: memset (dl, 0, sizeof(*dl));
! 312: dl->key = key;
! 313: return dl;
! 314: }
! 315: }
! 316: }
! 317:
! 318: // then look for anything else
1.1 root 319: dl = cl_dlights;
320: for (i=0 ; i<MAX_DLIGHTS ; i++, dl++)
321: {
322: if (dl->die < cl.time)
323: {
324: memset (dl, 0, sizeof(*dl));
1.1.1.3 ! root 325: dl->key = key;
1.1 root 326: return dl;
327: }
328: }
1.1.1.3 ! root 329:
! 330: dl = &cl_dlights[0];
! 331: memset (dl, 0, sizeof(*dl));
! 332: dl->key = key;
! 333: return dl;
1.1 root 334: }
335:
336:
337: /*
338: ===============
339: CL_DecayLights
340:
341: ===============
342: */
343: void CL_DecayLights (void)
344: {
345: int i;
346: dlight_t *dl;
347: float time;
348:
349: time = cl.time - cl.oldtime;
350:
351: dl = cl_dlights;
352: for (i=0 ; i<MAX_DLIGHTS ; i++, dl++)
353: {
354: if (dl->die < cl.time || !dl->radius)
355: continue;
356:
357: dl->radius -= time*dl->decay;
358: if (dl->radius < 0)
359: dl->radius = 0;
360: }
361: }
362:
363:
364: /*
365: ===============
366: CL_LerpPoint
367:
368: Determines the fraction between the last two messages that the objects
369: should be put at.
370: ===============
371: */
372: float CL_LerpPoint (void)
373: {
374: float f, frac;
375:
376: f = cl.mtime[0] - cl.mtime[1];
377:
378: if (!f || cl_nolerp.value || cls.timedemo || sv.active)
379: {
380: cl.time = cl.mtime[0];
381: return 1;
382: }
383:
384: if (f > 0.1)
385: { // dropped packet, or start of demo
386: cl.mtime[1] = cl.mtime[0] - 0.1;
387: f = 0.1;
388: }
389: frac = (cl.time - cl.mtime[1]) / f;
390: //Con_Printf ("frac: %f\n",frac);
391: if (frac < 0)
392: {
393: if (frac < -0.01)
394: {
395: SetPal(1);
396: cl.time = cl.mtime[1];
397: // Con_Printf ("low frac\n");
398: }
399: frac = 0;
400: }
401: else if (frac > 1)
402: {
403: if (frac > 1.01)
404: {
405: SetPal(2);
406: cl.time = cl.mtime[0];
407: // Con_Printf ("high frac\n");
408: }
409: frac = 1;
410: }
411: else
412: SetPal(0);
413:
414: return frac;
415: }
416:
417:
418: /*
419: ===============
420: CL_RelinkEntities
421: ===============
422: */
423: void CL_RelinkEntities (void)
424: {
425: entity_t *ent;
426: int i, j;
427: float frac, f, d;
428: vec3_t delta;
429: float bobjrotate;
430: vec3_t oldorg;
431: dlight_t *dl;
432:
433: // determine partial update time
434: frac = CL_LerpPoint ();
435:
436: cl_numvisedicts = 0;
437:
438: //
439: // interpolate player info
440: //
441: for (i=0 ; i<3 ; i++)
442: cl.velocity[i] = cl.mvelocity[1][i] +
443: frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
444:
445: if (cls.demoplayback)
446: {
447: // interpolate the angles
448: for (j=0 ; j<3 ; j++)
449: {
450: d = cl.mviewangles[0][j] - cl.mviewangles[1][j];
451: if (d > 180)
452: d -= 360;
453: else if (d < -180)
454: d += 360;
455: cl.viewangles[j] = cl.mviewangles[1][j] + frac*d;
456: }
457: }
458:
459: bobjrotate = anglemod(100*cl.time);
460:
461: // start on the entity after the world
462: for (i=1,ent=cl_entities+1 ; i<cl.num_entities ; i++,ent++)
463: {
464: if (!ent->model)
465: { // empty slot
466: if (ent->forcelink)
467: R_RemoveEfrags (ent); // just became empty
468: continue;
469: }
470:
471: // if the object wasn't included in the last packet, remove it
472: if (ent->msgtime != cl.mtime[0])
473: {
474: ent->model = NULL;
475: continue;
476: }
477:
478: VectorCopy (ent->origin, oldorg);
479:
480: if (ent->forcelink)
481: { // the entity was not updated in the last message
482: // so move to the final spot
483: VectorCopy (ent->msg_origins[0], ent->origin);
484: VectorCopy (ent->msg_angles[0], ent->angles);
485: }
486: else
487: { // if the delta is large, assume a teleport and don't lerp
488: f = frac;
489: for (j=0 ; j<3 ; j++)
490: {
491: delta[j] = ent->msg_origins[0][j] - ent->msg_origins[1][j];
492: if (delta[j] > 100 || delta[j] < -100)
493: f = 1; // assume a teleportation, not a motion
494: }
495:
496: // interpolate the origin and angles
497: for (j=0 ; j<3 ; j++)
498: {
499: ent->origin[j] = ent->msg_origins[1][j] + f*delta[j];
500:
501: d = ent->msg_angles[0][j] - ent->msg_angles[1][j];
502: if (d > 180)
503: d -= 360;
504: else if (d < -180)
505: d += 360;
506: ent->angles[j] = ent->msg_angles[1][j] + f*d;
507: }
508:
509: }
510:
511: // rotate binary objects locally
512: if (ent->model->flags & EF_ROTATE)
513: ent->angles[1] = bobjrotate;
514:
515: if (ent->effects & EF_BRIGHTFIELD)
516: R_EntityParticles (ent);
1.1.1.3 ! root 517: #ifdef QUAKE2
! 518: if (ent->effects & EF_DARKFIELD)
! 519: R_DarkFieldParticles (ent);
! 520: #endif
1.1 root 521: if (ent->effects & EF_MUZZLEFLASH)
522: {
523: vec3_t fv, rv, uv;
524:
1.1.1.3 ! root 525: dl = CL_AllocDlight (i);
1.1 root 526: VectorCopy (ent->origin, dl->origin);
527: dl->origin[2] += 16;
528: AngleVectors (ent->angles, fv, rv, uv);
529:
530: VectorMA (dl->origin, 18, fv, dl->origin);
531: dl->radius = 200 + (rand()&31);
532: dl->minlight = 32;
533: dl->die = cl.time + 0.1;
534: }
535: if (ent->effects & EF_BRIGHTLIGHT)
536: {
1.1.1.3 ! root 537: dl = CL_AllocDlight (i);
1.1 root 538: VectorCopy (ent->origin, dl->origin);
539: dl->origin[2] += 16;
540: dl->radius = 400 + (rand()&31);
541: dl->die = cl.time + 0.001;
542: }
543: if (ent->effects & EF_DIMLIGHT)
544: {
1.1.1.3 ! root 545: dl = CL_AllocDlight (i);
1.1 root 546: VectorCopy (ent->origin, dl->origin);
547: dl->radius = 200 + (rand()&31);
548: dl->die = cl.time + 0.001;
549: }
1.1.1.3 ! root 550: #ifdef QUAKE2
! 551: if (ent->effects & EF_DARKLIGHT)
! 552: {
! 553: dl = CL_AllocDlight (i);
! 554: VectorCopy (ent->origin, dl->origin);
! 555: dl->radius = 200.0 + (rand()&31);
! 556: dl->die = cl.time + 0.001;
! 557: dl->dark = true;
! 558: }
! 559: if (ent->effects & EF_LIGHT)
! 560: {
! 561: dl = CL_AllocDlight (i);
! 562: VectorCopy (ent->origin, dl->origin);
! 563: dl->radius = 200;
! 564: dl->die = cl.time + 0.001;
! 565: }
! 566: #endif
1.1 root 567:
568: if (ent->model->flags & EF_GIB)
569: R_RocketTrail (oldorg, ent->origin, 2);
570: else if (ent->model->flags & EF_ZOMGIB)
571: R_RocketTrail (oldorg, ent->origin, 4);
572: else if (ent->model->flags & EF_TRACER)
573: R_RocketTrail (oldorg, ent->origin, 3);
574: else if (ent->model->flags & EF_TRACER2)
575: R_RocketTrail (oldorg, ent->origin, 5);
576: else if (ent->model->flags & EF_ROCKET)
577: {
578: R_RocketTrail (oldorg, ent->origin, 0);
1.1.1.3 ! root 579: dl = CL_AllocDlight (i);
1.1 root 580: VectorCopy (ent->origin, dl->origin);
581: dl->radius = 200;
582: dl->die = cl.time + 0.01;
583: }
584: else if (ent->model->flags & EF_GRENADE)
585: R_RocketTrail (oldorg, ent->origin, 1);
586: else if (ent->model->flags & EF_TRACER3)
587: R_RocketTrail (oldorg, ent->origin, 6);
588:
589: ent->forcelink = false;
1.1.1.3 ! root 590:
! 591: if (i == cl.viewentity && !chase_active.value)
! 592: continue;
! 593:
! 594: #ifdef QUAKE2
! 595: if ( ent->effects & EF_NODRAW )
! 596: continue;
! 597: #endif
! 598: if (cl_numvisedicts < MAX_VISEDICTS)
1.1 root 599: {
1.1.1.3 ! root 600: cl_visedicts[cl_numvisedicts] = ent;
! 601: cl_numvisedicts++;
1.1 root 602: }
603: }
604:
605: }
606:
607:
608: /*
609: ===============
610: CL_ReadFromServer
611:
612: Read all incoming data from the server
613: ===============
614: */
615: int CL_ReadFromServer (void)
616: {
617: int ret;
618:
619: cl.oldtime = cl.time;
620: cl.time += host_frametime;
621:
622: do
623: {
624: ret = CL_GetMessage ();
625: if (ret == -1)
626: Host_Error ("CL_ReadFromServer: lost server connection");
627: if (!ret)
628: break;
629:
630: cl.last_received_message = realtime;
631: CL_ParseServerMessage ();
632: } while (ret && cls.state == ca_connected);
633:
634: if (cl_shownet.value)
635: Con_Printf ("\n");
636:
637: CL_RelinkEntities ();
638: CL_UpdateTEnts ();
639:
640: //
641: // bring the links up to date
642: //
643: return 0;
644: }
645:
646: /*
647: =================
648: CL_SendCmd
649: =================
650: */
651: void CL_SendCmd (void)
652: {
653: usercmd_t cmd;
654:
655: if (cls.state != ca_connected)
656: return;
657:
658: if (cls.signon == SIGNONS)
659: {
660: // get basic movement from keyboard
661: CL_BaseMove (&cmd);
662:
663: // allow mice or other external controllers to add to the move
664: IN_Move (&cmd);
665:
666: // send the unreliable message
667: CL_SendMove (&cmd);
668:
669: }
670:
671: if (cls.demoplayback)
672: {
673: SZ_Clear (&cls.message);
674: return;
675: }
676:
677: // send the reliable message
678: if (!cls.message.cursize)
679: return; // no message at all
680:
681: if (!NET_CanSendMessage (cls.netcon))
682: {
683: Con_DPrintf ("CL_WriteToServer: can't send\n");
684: return;
685: }
686:
687: if (NET_SendMessage (cls.netcon, &cls.message) == -1)
688: Host_Error ("CL_WriteToServer: lost server connection");
689:
690: SZ_Clear (&cls.message);
691: }
692:
693: /*
694: =================
695: CL_Init
696: =================
697: */
698: void CL_Init (void)
699: {
700: SZ_Alloc (&cls.message, 1024);
701:
702: CL_InitInput ();
703: CL_InitTEnts ();
704:
705: //
706: // register our commands
707: //
708: Cvar_RegisterVariable (&cl_name);
709: Cvar_RegisterVariable (&cl_color);
710: Cvar_RegisterVariable (&cl_upspeed);
711: Cvar_RegisterVariable (&cl_forwardspeed);
712: Cvar_RegisterVariable (&cl_backspeed);
713: Cvar_RegisterVariable (&cl_sidespeed);
714: Cvar_RegisterVariable (&cl_movespeedkey);
715: Cvar_RegisterVariable (&cl_yawspeed);
716: Cvar_RegisterVariable (&cl_pitchspeed);
717: Cvar_RegisterVariable (&cl_anglespeedkey);
718: Cvar_RegisterVariable (&cl_shownet);
719: Cvar_RegisterVariable (&cl_nolerp);
720: Cvar_RegisterVariable (&lookspring);
721: Cvar_RegisterVariable (&lookstrafe);
722: Cvar_RegisterVariable (&sensitivity);
723:
724: Cvar_RegisterVariable (&m_pitch);
725: Cvar_RegisterVariable (&m_yaw);
726: Cvar_RegisterVariable (&m_forward);
727: Cvar_RegisterVariable (&m_side);
728:
729: // Cvar_RegisterVariable (&cl_autofire);
730:
731: Cmd_AddCommand ("entities", CL_PrintEntities_f);
732: Cmd_AddCommand ("disconnect", CL_Disconnect_f);
733: Cmd_AddCommand ("record", CL_Record_f);
734: Cmd_AddCommand ("stop", CL_Stop_f);
735: Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
736: Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
737: }
738:
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