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 // sv_user.c -- server code for moving users
26 extern cvar_t sv_friction;
27 cvar_t sv_edgefriction = {"edgefriction", "2"};
28 extern cvar_t sv_stopspeed;
30 static vec3_t forward, right, up;
44 cvar_t sv_idealpitchscale = {"sv_idealpitchscale","0.8"};
53 void SV_SetIdealPitch (void)
55 float angleval, sinval, cosval;
62 if (!((int)sv_player->v.flags & FL_ONGROUND))
65 angleval = sv_player->v.angles[YAW] * M_PI*2 / 360;
66 sinval = sin(angleval);
67 cosval = cos(angleval);
69 for (i=0 ; i<MAX_FORWARD ; i++)
71 top[0] = sv_player->v.origin[0] + cosval*(i+3)*12;
72 top[1] = sv_player->v.origin[1] + sinval*(i+3)*12;
73 top[2] = sv_player->v.origin[2] + sv_player->v.view_ofs[2];
77 bottom[2] = top[2] - 160;
79 tr = SV_Move (top, vec3_origin, vec3_origin, bottom, 1, sv_player);
81 return; // looking at a wall, leave ideal the way is was
84 return; // near a dropoff
86 z[i] = top[2] + tr.fraction*(bottom[2]-top[2]);
94 if (step > -ON_EPSILON && step < ON_EPSILON)
97 if (dir && ( step-dir > ON_EPSILON || step-dir < -ON_EPSILON ) )
98 return; // mixed changes
106 sv_player->v.idealpitch = 0;
112 sv_player->v.idealpitch = -dir * sv_idealpitchscale.value;
122 void SV_UserFriction (void)
125 float speed, newspeed, control;
132 speed = sqrt(vel[0]*vel[0] +vel[1]*vel[1]);
136 // if the leading edge is over a dropoff, increase friction
137 start[0] = stop[0] = origin[0] + vel[0]/speed*16;
138 start[1] = stop[1] = origin[1] + vel[1]/speed*16;
139 start[2] = origin[2] + sv_player->v.mins[2];
140 stop[2] = start[2] - 34;
142 trace = SV_Move (start, vec3_origin, vec3_origin, stop, true, sv_player);
144 if (trace.fraction == 1.0)
145 friction = sv_friction.value*sv_edgefriction.value;
147 friction = sv_friction.value;
150 control = speed < sv_stopspeed.value ? sv_stopspeed.value : speed;
151 newspeed = speed - host_frametime*control*friction;
158 vel[0] = vel[0] * newspeed;
159 vel[1] = vel[1] * newspeed;
160 vel[2] = vel[2] * newspeed;
168 cvar_t sv_maxspeed = {"sv_maxspeed", "320", false, true};
169 cvar_t sv_accelerate = {"sv_accelerate", "10"};
171 void SV_Accelerate (vec3_t wishvel)
174 float addspeed, accelspeed;
180 VectorSubtract (wishvel, velocity, pushvec);
181 addspeed = VectorNormalize (pushvec);
183 accelspeed = sv_accelerate.value*host_frametime*addspeed;
184 if (accelspeed > addspeed)
185 accelspeed = addspeed;
187 for (i=0 ; i<3 ; i++)
188 velocity[i] += accelspeed*pushvec[i];
191 void SV_Accelerate (void)
194 float addspeed, accelspeed, currentspeed;
196 currentspeed = DotProduct (velocity, wishdir);
197 addspeed = wishspeed - currentspeed;
200 accelspeed = sv_accelerate.value*host_frametime*wishspeed;
201 if (accelspeed > addspeed)
202 accelspeed = addspeed;
204 for (i=0 ; i<3 ; i++)
205 velocity[i] += accelspeed*wishdir[i];
208 void SV_AirAccelerate (vec3_t wishveloc)
211 float addspeed, wishspd, accelspeed, currentspeed;
213 wishspd = VectorNormalizeLength (wishveloc);
216 currentspeed = DotProduct (velocity, wishveloc);
217 addspeed = wishspd - currentspeed;
220 // accelspeed = sv_accelerate.value * host_frametime;
221 accelspeed = sv_accelerate.value*wishspeed * host_frametime;
222 if (accelspeed > addspeed)
223 accelspeed = addspeed;
225 for (i=0 ; i<3 ; i++)
226 velocity[i] += accelspeed*wishveloc[i];
230 void DropPunchAngle (void)
234 len = VectorNormalizeLength (sv_player->v.punchangle);
236 len -= 10*host_frametime;
239 VectorScale (sv_player->v.punchangle, len, sv_player->v.punchangle);
248 void SV_WaterMove (void)
252 float speed, newspeed, wishspeed, addspeed, accelspeed;
257 AngleVectors (sv_player->v.v_angle, forward, right, up);
259 for (i=0 ; i<3 ; i++)
260 wishvel[i] = forward[i]*cmd.forwardmove + right[i]*cmd.sidemove;
262 if (!cmd.forwardmove && !cmd.sidemove && !cmd.upmove)
263 wishvel[2] -= 60; // drift towards bottom
265 wishvel[2] += cmd.upmove;
267 wishspeed = Length(wishvel);
268 if (wishspeed > sv_maxspeed.value)
270 VectorScale (wishvel, sv_maxspeed.value/wishspeed, wishvel);
271 wishspeed = sv_maxspeed.value;
278 speed = Length (velocity);
281 newspeed = speed - host_frametime * speed * sv_friction.value;
284 VectorScale (velocity, newspeed/speed, velocity);
290 // water acceleration
295 addspeed = wishspeed - newspeed;
299 VectorNormalize (wishvel);
300 accelspeed = sv_accelerate.value * wishspeed * host_frametime;
301 if (accelspeed > addspeed)
302 accelspeed = addspeed;
304 for (i=0 ; i<3 ; i++)
305 velocity[i] += accelspeed * wishvel[i];
308 void SV_WaterJump (void)
310 if (sv.time > sv_player->v.teleport_time
311 || !sv_player->v.waterlevel)
313 sv_player->v.flags = (int)sv_player->v.flags & ~FL_WATERJUMP;
314 sv_player->v.teleport_time = 0;
316 sv_player->v.velocity[0] = sv_player->v.movedir[0];
317 sv_player->v.velocity[1] = sv_player->v.movedir[1];
327 void SV_AirMove (void)
333 // LordHavoc: correct quake movement speed bug when looking up/down
334 wishvel[0] = wishvel[2] = 0;
335 wishvel[1] = sv_player->v.angles[1];
336 AngleVectors (wishvel, forward, right, up);
337 // AngleVectors (sv_player->v.angles, forward, right, up);
339 fmove = cmd.forwardmove;
340 smove = cmd.sidemove;
342 // hack to not let you back into teleporter
343 if (sv.time < sv_player->v.teleport_time && fmove < 0)
346 for (i=0 ; i<3 ; i++)
347 wishvel[i] = forward[i]*fmove + right[i]*smove;
349 if ( (int)sv_player->v.movetype != MOVETYPE_WALK)
350 wishvel[2] = cmd.upmove;
354 VectorCopy (wishvel, wishdir);
355 wishspeed = VectorNormalizeLength(wishdir);
356 if (wishspeed > sv_maxspeed.value)
358 VectorScale (wishvel, sv_maxspeed.value/wishspeed, wishvel);
359 wishspeed = sv_maxspeed.value;
362 if ( sv_player->v.movetype == MOVETYPE_NOCLIP)
364 VectorCopy (wishvel, velocity);
372 { // not on ground, so little effect on velocity
373 SV_AirAccelerate (wishvel);
381 the move fields specify an intended velocity in pix/sec
382 the angle fields specify an exact angular motion in degrees
385 void SV_ClientThink (void)
389 if (sv_player->v.movetype == MOVETYPE_NONE)
392 onground = (int)sv_player->v.flags & FL_ONGROUND;
394 origin = sv_player->v.origin;
395 velocity = sv_player->v.velocity;
400 // if dead, behave differently
402 if (sv_player->v.health <= 0)
407 // show 1/3 the pitch angle and all the roll angle
408 cmd = host_client->cmd;
409 angles = sv_player->v.angles;
411 VectorAdd (sv_player->v.v_angle, sv_player->v.punchangle, v_angle);
412 angles[ROLL] = V_CalcRoll (sv_player->v.angles, sv_player->v.velocity)*4;
413 if (!sv_player->v.fixangle)
415 // LordHavoc: pitch was ugly to begin with... removed except in water
416 if (sv_player->v.waterlevel >= 2)
417 angles[PITCH] = -v_angle[PITCH]/3;
420 angles[YAW] = v_angle[YAW];
423 if ( (int)sv_player->v.flags & FL_WATERJUMP )
431 if ( (sv_player->v.waterlevel >= 2)
432 && (sv_player->v.movetype != MOVETYPE_NOCLIP) )
447 void SV_ReadClientMove (usercmd_t *move)
456 host_client->ping_times[host_client->num_pings%NUM_PING_TIMES]
457 = sv.time - MSG_ReadFloat ();
458 host_client->num_pings++;
459 if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_ping)))
461 for (i=0, total = 0;i < NUM_PING_TIMES;i++)
462 total += host_client->ping_times[i];
463 val->_float = 1000.0 / NUM_PING_TIMES;
466 // read current angles
467 for (i=0 ; i<3 ; i++)
468 angle[i] = MSG_ReadAngle ();
470 VectorCopy (angle, host_client->edict->v.v_angle);
473 move->forwardmove = MSG_ReadShort ();
474 move->sidemove = MSG_ReadShort ();
475 move->upmove = MSG_ReadShort ();
476 if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_movement)))
478 val->vector[0] = move->forwardmove;
479 val->vector[1] = move->sidemove;
480 val->vector[2] = move->upmove;
484 bits = MSG_ReadByte ();
485 host_client->edict->v.button0 = bits & 1;
486 host_client->edict->v.button2 = (bits & 2)>>1;
487 // LordHavoc: added 6 new buttons
488 if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_button3))) val->_float = ((bits >> 2) & 1);
489 if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_button4))) val->_float = ((bits >> 3) & 1);
490 if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_button5))) val->_float = ((bits >> 4) & 1);
491 if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_button6))) val->_float = ((bits >> 5) & 1);
492 if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_button7))) val->_float = ((bits >> 6) & 1);
493 if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_button8))) val->_float = ((bits >> 7) & 1);
497 host_client->edict->v.impulse = i;
504 Returns false if the client should be killed
507 qboolean SV_ReadClientMessage (void)
516 ret = NET_GetMessage (host_client->netconnection);
519 Sys_Printf ("SV_ReadClientMessage: NET_GetMessage failed\n");
529 if (!host_client->active)
530 return false; // a command caused an error
534 Sys_Printf ("SV_ReadClientMessage: badread\n");
538 cmd = MSG_ReadChar ();
543 goto nextmsg; // end of message
546 Sys_Printf ("SV_ReadClientMessage: unknown command char\n");
550 // Sys_Printf ("clc_nop\n");
554 s = MSG_ReadString ();
556 if (Q_strncasecmp(s, "status", 6) == 0
557 || Q_strncasecmp(s, "name", 4) == 0
558 || Q_strncasecmp(s, "say", 3) == 0
559 || Q_strncasecmp(s, "say_team", 8) == 0
560 || Q_strncasecmp(s, "tell", 4) == 0
561 || Q_strncasecmp(s, "color", 5) == 0
562 || Q_strncasecmp(s, "kill", 4) == 0
563 || Q_strncasecmp(s, "pause", 5) == 0
564 || Q_strncasecmp(s, "spawn", 5) == 0
565 || Q_strncasecmp(s, "begin", 5) == 0
566 || Q_strncasecmp(s, "prespawn", 8) == 0
567 || Q_strncasecmp(s, "kick", 4) == 0
568 || Q_strncasecmp(s, "ping", 4) == 0
569 || Q_strncasecmp(s, "ban", 3) == 0
570 || Q_strncasecmp(s, "pmodel", 6) == 0
571 || (nehahra && (Q_strncasecmp(s, "max", 3) == 0 || Q_strncasecmp(s, "monster", 7) == 0 || Q_strncasecmp(s, "scrag", 5) == 0 || Q_strncasecmp(s, "gimme", 5) == 0 || Q_strncasecmp(s, "wraith", 6) == 0))
572 || (!nehahra && (Q_strncasecmp(s, "god", 3) == 0 || Q_strncasecmp(s, "notarget", 8) == 0 || Q_strncasecmp(s, "fly", 3) == 0 || Q_strncasecmp(s, "give", 4) == 0 || Q_strncasecmp(s, "noclip", 6) == 0)))
575 Cmd_ExecuteString (s, src_client);
578 Con_DPrintf("%s tried to %s\n", host_client->name, s);
583 Cmd_ExecuteString (s, src_client);
585 Con_DPrintf("%s tried to %s\n", host_client->name, s);
590 // Sys_Printf ("SV_ReadClientMessage: client disconnected\n");
594 SV_ReadClientMove (&host_client->cmd);
609 extern dfunction_t *SV_PlayerPhysicsQC;
610 void SV_RunClients (void)
614 for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
616 if (!host_client->active)
619 sv_player = host_client->edict;
621 if (!SV_ReadClientMessage ())
623 SV_DropClient (false); // client misbehaved...
627 if (!host_client->spawned)
629 // clear client movement until a new packet is received
630 memset (&host_client->cmd, 0, sizeof(host_client->cmd));
634 // always pause in single player if in console or menus
635 if (!sv.paused && (svs.maxclients > 1 || key_dest == key_game) )
637 // LordHavoc: QuakeC replacement for SV_ClientThink (player movement)
638 if (SV_PlayerPhysicsQC)
640 pr_global_struct->time = sv.time;
641 pr_global_struct->self = EDICT_TO_PROG(sv_player);
642 PR_ExecuteProgram ((func_t)(SV_PlayerPhysicsQC - pr_functions));