diff options
Diffstat (limited to 'WinQuake/sv_user.c')
| -rw-r--r-- | WinQuake/sv_user.c | 1258 |
1 files changed, 629 insertions, 629 deletions
diff --git a/WinQuake/sv_user.c b/WinQuake/sv_user.c index 1163949..42c0329 100644 --- a/WinQuake/sv_user.c +++ b/WinQuake/sv_user.c @@ -1,629 +1,629 @@ -/* -Copyright (C) 1996-1997 Id Software, Inc. - -This program is free software; you can redistribute it and/or -modify it under the terms of the GNU General Public License -as published by the Free Software Foundation; either version 2 -of the License, or (at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - -See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - -*/ -// sv_user.c -- server code for moving users - -#include "quakedef.h" - -edict_t *sv_player; - -extern cvar_t sv_friction; -cvar_t sv_edgefriction = {"edgefriction", "2"}; -extern cvar_t sv_stopspeed; - -static vec3_t forward, right, up; - -vec3_t wishdir; -float wishspeed; - -// world -float *angles; -float *origin; -float *velocity; - -qboolean onground; - -usercmd_t cmd; - -cvar_t sv_idealpitchscale = {"sv_idealpitchscale","0.8"}; - - -/* -=============== -SV_SetIdealPitch -=============== -*/ -#define MAX_FORWARD 6 -void SV_SetIdealPitch (void) -{ - float angleval, sinval, cosval; - trace_t tr; - vec3_t top, bottom; - float z[MAX_FORWARD]; - int i, j; - int step, dir, steps; - - if (!((int)sv_player->v.flags & FL_ONGROUND)) - return; - - angleval = sv_player->v.angles[YAW] * M_PI*2 / 360; - sinval = sin(angleval); - cosval = cos(angleval); - - for (i=0 ; i<MAX_FORWARD ; i++) - { - top[0] = sv_player->v.origin[0] + cosval*(i+3)*12; - top[1] = sv_player->v.origin[1] + sinval*(i+3)*12; - top[2] = sv_player->v.origin[2] + sv_player->v.view_ofs[2]; - - bottom[0] = top[0]; - bottom[1] = top[1]; - bottom[2] = top[2] - 160; - - tr = SV_Move (top, vec3_origin, vec3_origin, bottom, 1, sv_player); - if (tr.allsolid) - return; // looking at a wall, leave ideal the way is was - - if (tr.fraction == 1) - return; // near a dropoff - - z[i] = top[2] + tr.fraction*(bottom[2]-top[2]); - } - - dir = 0; - steps = 0; - for (j=1 ; j<i ; j++) - { - step = z[j] - z[j-1]; - if (step > -ON_EPSILON && step < ON_EPSILON) - continue; - - if (dir && ( step-dir > ON_EPSILON || step-dir < -ON_EPSILON ) ) - return; // mixed changes - - steps++; - dir = step; - } - - if (!dir) - { - sv_player->v.idealpitch = 0; - return; - } - - if (steps < 2) - return; - sv_player->v.idealpitch = -dir * sv_idealpitchscale.value; -} - - -/* -================== -SV_UserFriction - -================== -*/ -void SV_UserFriction (void) -{ - float *vel; - float speed, newspeed, control; - vec3_t start, stop; - float friction; - trace_t trace; - - vel = velocity; - - speed = sqrt(vel[0]*vel[0] +vel[1]*vel[1]); - if (!speed) - return; - -// if the leading edge is over a dropoff, increase friction - start[0] = stop[0] = origin[0] + vel[0]/speed*16; - start[1] = stop[1] = origin[1] + vel[1]/speed*16; - start[2] = origin[2] + sv_player->v.mins[2]; - stop[2] = start[2] - 34; - - trace = SV_Move (start, vec3_origin, vec3_origin, stop, true, sv_player); - - if (trace.fraction == 1.0) - friction = sv_friction.value*sv_edgefriction.value; - else - friction = sv_friction.value; - -// apply friction - control = speed < sv_stopspeed.value ? sv_stopspeed.value : speed; - newspeed = speed - host_frametime*control*friction; - - if (newspeed < 0) - newspeed = 0; - newspeed /= speed; - - vel[0] = vel[0] * newspeed; - vel[1] = vel[1] * newspeed; - vel[2] = vel[2] * newspeed; -} - -/* -============== -SV_Accelerate -============== -*/ -cvar_t sv_maxspeed = {"sv_maxspeed", "320", false, true}; -cvar_t sv_accelerate = {"sv_accelerate", "10"}; -#if 0 -void SV_Accelerate (vec3_t wishvel) -{ - int i; - float addspeed, accelspeed; - vec3_t pushvec; - - if (wishspeed == 0) - return; - - VectorSubtract (wishvel, velocity, pushvec); - addspeed = VectorNormalize (pushvec); - - accelspeed = sv_accelerate.value*host_frametime*addspeed; - if (accelspeed > addspeed) - accelspeed = addspeed; - - for (i=0 ; i<3 ; i++) - velocity[i] += accelspeed*pushvec[i]; -} -#endif -void SV_Accelerate (void) -{ - int i; - float addspeed, accelspeed, currentspeed; - - currentspeed = DotProduct (velocity, wishdir); - addspeed = wishspeed - currentspeed; - if (addspeed <= 0) - return; - accelspeed = sv_accelerate.value*host_frametime*wishspeed; - if (accelspeed > addspeed) - accelspeed = addspeed; - - for (i=0 ; i<3 ; i++) - velocity[i] += accelspeed*wishdir[i]; -} - -void SV_AirAccelerate (vec3_t wishveloc) -{ - int i; - float addspeed, wishspd, accelspeed, currentspeed; - - wishspd = VectorNormalize (wishveloc); - if (wishspd > 30) - wishspd = 30; - currentspeed = DotProduct (velocity, wishveloc); - addspeed = wishspd - currentspeed; - if (addspeed <= 0) - return; -// accelspeed = sv_accelerate.value * host_frametime; - accelspeed = sv_accelerate.value*wishspeed * host_frametime; - if (accelspeed > addspeed) - accelspeed = addspeed; - - for (i=0 ; i<3 ; i++) - velocity[i] += accelspeed*wishveloc[i]; -} - - -void DropPunchAngle (void) -{ - float len; - - len = VectorNormalize (sv_player->v.punchangle); - - len -= 10*host_frametime; - if (len < 0) - len = 0; - VectorScale (sv_player->v.punchangle, len, sv_player->v.punchangle); -} - -/* -=================== -SV_WaterMove - -=================== -*/ -void SV_WaterMove (void) -{ - int i; - vec3_t wishvel; - float speed, newspeed, wishspeed, addspeed, accelspeed; - -// -// user intentions -// - AngleVectors (sv_player->v.v_angle, forward, right, up); - - for (i=0 ; i<3 ; i++) - wishvel[i] = forward[i]*cmd.forwardmove + right[i]*cmd.sidemove; - - if (!cmd.forwardmove && !cmd.sidemove && !cmd.upmove) - wishvel[2] -= 60; // drift towards bottom - else - wishvel[2] += cmd.upmove; - - wishspeed = Length(wishvel); - if (wishspeed > sv_maxspeed.value) - { - VectorScale (wishvel, sv_maxspeed.value/wishspeed, wishvel); - wishspeed = sv_maxspeed.value; - } - wishspeed *= 0.7; - -// -// water friction -// - speed = Length (velocity); - if (speed) - { - newspeed = speed - host_frametime * speed * sv_friction.value; - if (newspeed < 0) - newspeed = 0; - VectorScale (velocity, newspeed/speed, velocity); - } - else - newspeed = 0; - -// -// water acceleration -// - if (!wishspeed) - return; - - addspeed = wishspeed - newspeed; - if (addspeed <= 0) - return; - - VectorNormalize (wishvel); - accelspeed = sv_accelerate.value * wishspeed * host_frametime; - if (accelspeed > addspeed) - accelspeed = addspeed; - - for (i=0 ; i<3 ; i++) - velocity[i] += accelspeed * wishvel[i]; -} - -void SV_WaterJump (void) -{ - if (sv.time > sv_player->v.teleport_time - || !sv_player->v.waterlevel) - { - sv_player->v.flags = (int)sv_player->v.flags & ~FL_WATERJUMP; - sv_player->v.teleport_time = 0; - } - sv_player->v.velocity[0] = sv_player->v.movedir[0]; - sv_player->v.velocity[1] = sv_player->v.movedir[1]; -} - - -/* -=================== -SV_AirMove - -=================== -*/ -void SV_AirMove (void) -{ - int i; - vec3_t wishvel; - float fmove, smove; - - AngleVectors (sv_player->v.angles, forward, right, up); - - fmove = cmd.forwardmove; - smove = cmd.sidemove; - -// hack to not let you back into teleporter - if (sv.time < sv_player->v.teleport_time && fmove < 0) - fmove = 0; - - for (i=0 ; i<3 ; i++) - wishvel[i] = forward[i]*fmove + right[i]*smove; - - if ( (int)sv_player->v.movetype != MOVETYPE_WALK) - wishvel[2] = cmd.upmove; - else - wishvel[2] = 0; - - VectorCopy (wishvel, wishdir); - wishspeed = VectorNormalize(wishdir); - if (wishspeed > sv_maxspeed.value) - { - VectorScale (wishvel, sv_maxspeed.value/wishspeed, wishvel); - wishspeed = sv_maxspeed.value; - } - - if ( sv_player->v.movetype == MOVETYPE_NOCLIP) - { // noclip - VectorCopy (wishvel, velocity); - } - else if ( onground ) - { - SV_UserFriction (); - SV_Accelerate (); - } - else - { // not on ground, so little effect on velocity - SV_AirAccelerate (wishvel); - } -} - -/* -=================== -SV_ClientThink - -the move fields specify an intended velocity in pix/sec -the angle fields specify an exact angular motion in degrees -=================== -*/ -void SV_ClientThink (void) -{ - vec3_t v_angle; - - if (sv_player->v.movetype == MOVETYPE_NONE) - return; - - onground = (int)sv_player->v.flags & FL_ONGROUND; - - origin = sv_player->v.origin; - velocity = sv_player->v.velocity; - - DropPunchAngle (); - -// -// if dead, behave differently -// - if (sv_player->v.health <= 0) - return; - -// -// angles -// show 1/3 the pitch angle and all the roll angle - cmd = host_client->cmd; - angles = sv_player->v.angles; - - VectorAdd (sv_player->v.v_angle, sv_player->v.punchangle, v_angle); - angles[ROLL] = V_CalcRoll (sv_player->v.angles, sv_player->v.velocity)*4; - if (!sv_player->v.fixangle) - { - angles[PITCH] = -v_angle[PITCH]/3; - angles[YAW] = v_angle[YAW]; - } - - if ( (int)sv_player->v.flags & FL_WATERJUMP ) - { - SV_WaterJump (); - return; - } -// -// walk -// - if ( (sv_player->v.waterlevel >= 2) - && (sv_player->v.movetype != MOVETYPE_NOCLIP) ) - { - SV_WaterMove (); - return; - } - - SV_AirMove (); -} - - -/* -=================== -SV_ReadClientMove -=================== -*/ -void SV_ReadClientMove (usercmd_t *move) -{ - int i; - vec3_t angle; - int bits; - -// read ping time - host_client->ping_times[host_client->num_pings%NUM_PING_TIMES] - = sv.time - MSG_ReadFloat (); - host_client->num_pings++; - -// read current angles - for (i=0 ; i<3 ; i++) - angle[i] = MSG_ReadAngle (); - - VectorCopy (angle, host_client->edict->v.v_angle); - -// read movement - move->forwardmove = MSG_ReadShort (); - move->sidemove = MSG_ReadShort (); - move->upmove = MSG_ReadShort (); - -// read buttons - bits = MSG_ReadByte (); - host_client->edict->v.button0 = bits & 1; - host_client->edict->v.button2 = (bits & 2)>>1; - - i = MSG_ReadByte (); - if (i) - host_client->edict->v.impulse = i; - -#ifdef QUAKE2 -// read light level - host_client->edict->v.light_level = MSG_ReadByte (); -#endif -} - -/* -=================== -SV_ReadClientMessage - -Returns false if the client should be killed -=================== -*/ -qboolean SV_ReadClientMessage (void) -{ - int ret; - int cmd; - char *s; - - do - { -nextmsg: - ret = NET_GetMessage (host_client->netconnection); - if (ret == -1) - { - Sys_Printf ("SV_ReadClientMessage: NET_GetMessage failed\n"); - return false; - } - if (!ret) - return true; - - MSG_BeginReading (); - - while (1) - { - if (!host_client->active) - return false; // a command caused an error - - if (msg_badread) - { - Sys_Printf ("SV_ReadClientMessage: badread\n"); - return false; - } - - cmd = MSG_ReadChar (); - - switch (cmd) - { - case -1: - goto nextmsg; // end of message - - default: - Sys_Printf ("SV_ReadClientMessage: unknown command char\n"); - return false; - - case clc_nop: -// Sys_Printf ("clc_nop\n"); - break; - - case clc_stringcmd: - s = MSG_ReadString (); - if (host_client->privileged) - ret = 2; - else - ret = 0; - if (Q_strncasecmp(s, "status", 6) == 0) - ret = 1; - else if (Q_strncasecmp(s, "god", 3) == 0) - ret = 1; - else if (Q_strncasecmp(s, "notarget", 8) == 0) - ret = 1; - else if (Q_strncasecmp(s, "fly", 3) == 0) - ret = 1; - else if (Q_strncasecmp(s, "name", 4) == 0) - ret = 1; - else if (Q_strncasecmp(s, "noclip", 6) == 0) - ret = 1; - else if (Q_strncasecmp(s, "say", 3) == 0) - ret = 1; - else if (Q_strncasecmp(s, "say_team", 8) == 0) - ret = 1; - else if (Q_strncasecmp(s, "tell", 4) == 0) - ret = 1; - else if (Q_strncasecmp(s, "color", 5) == 0) - ret = 1; - else if (Q_strncasecmp(s, "kill", 4) == 0) - ret = 1; - else if (Q_strncasecmp(s, "pause", 5) == 0) - ret = 1; - else if (Q_strncasecmp(s, "spawn", 5) == 0) - ret = 1; - else if (Q_strncasecmp(s, "begin", 5) == 0) - ret = 1; - else if (Q_strncasecmp(s, "prespawn", 8) == 0) - ret = 1; - else if (Q_strncasecmp(s, "kick", 4) == 0) - ret = 1; - else if (Q_strncasecmp(s, "ping", 4) == 0) - ret = 1; - else if (Q_strncasecmp(s, "give", 4) == 0) - ret = 1; - else if (Q_strncasecmp(s, "ban", 3) == 0) - ret = 1; - if (ret == 2) - Cbuf_InsertText (s); - else if (ret == 1) - Cmd_ExecuteString (s, src_client); - else - Con_DPrintf("%s tried to %s\n", host_client->name, s); - break; - - case clc_disconnect: -// Sys_Printf ("SV_ReadClientMessage: client disconnected\n"); - return false; - - case clc_move: - SV_ReadClientMove (&host_client->cmd); - break; - } - } - } while (ret == 1); - - return true; -} - - -/* -================== -SV_RunClients -================== -*/ -void SV_RunClients (void) -{ - int i; - - for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++) - { - if (!host_client->active) - continue; - - sv_player = host_client->edict; - - if (!SV_ReadClientMessage ()) - { - SV_DropClient (false); // client misbehaved... - continue; - } - - if (!host_client->spawned) - { - // clear client movement until a new packet is received - memset (&host_client->cmd, 0, sizeof(host_client->cmd)); - continue; - } - -// always pause in single player if in console or menus - if (!sv.paused && (svs.maxclients > 1 || key_dest == key_game) ) - SV_ClientThink (); - } -} - +/*
+Copyright (C) 1996-1997 Id Software, Inc.
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+*/
+// sv_user.c -- server code for moving users
+
+#include "quakedef.h"
+
+edict_t *sv_player;
+
+extern cvar_t sv_friction;
+cvar_t sv_edgefriction = {"edgefriction", "2"};
+extern cvar_t sv_stopspeed;
+
+static vec3_t forward, right, up;
+
+vec3_t wishdir;
+float wishspeed;
+
+// world
+float *angles;
+float *origin;
+float *velocity;
+
+qboolean onground;
+
+usercmd_t cmd;
+
+cvar_t sv_idealpitchscale = {"sv_idealpitchscale","0.8"};
+
+
+/*
+===============
+SV_SetIdealPitch
+===============
+*/
+#define MAX_FORWARD 6
+void SV_SetIdealPitch (void)
+{
+ float angleval, sinval, cosval;
+ trace_t tr;
+ vec3_t top, bottom;
+ float z[MAX_FORWARD];
+ int i, j;
+ int step, dir, steps;
+
+ if (!((int)sv_player->v.flags & FL_ONGROUND))
+ return;
+
+ angleval = sv_player->v.angles[YAW] * M_PI*2 / 360;
+ sinval = sin(angleval);
+ cosval = cos(angleval);
+
+ for (i=0 ; i<MAX_FORWARD ; i++)
+ {
+ top[0] = sv_player->v.origin[0] + cosval*(i+3)*12;
+ top[1] = sv_player->v.origin[1] + sinval*(i+3)*12;
+ top[2] = sv_player->v.origin[2] + sv_player->v.view_ofs[2];
+
+ bottom[0] = top[0];
+ bottom[1] = top[1];
+ bottom[2] = top[2] - 160;
+
+ tr = SV_Move (top, vec3_origin, vec3_origin, bottom, 1, sv_player);
+ if (tr.allsolid)
+ return; // looking at a wall, leave ideal the way is was
+
+ if (tr.fraction == 1)
+ return; // near a dropoff
+
+ z[i] = top[2] + tr.fraction*(bottom[2]-top[2]);
+ }
+
+ dir = 0;
+ steps = 0;
+ for (j=1 ; j<i ; j++)
+ {
+ step = z[j] - z[j-1];
+ if (step > -ON_EPSILON && step < ON_EPSILON)
+ continue;
+
+ if (dir && ( step-dir > ON_EPSILON || step-dir < -ON_EPSILON ) )
+ return; // mixed changes
+
+ steps++;
+ dir = step;
+ }
+
+ if (!dir)
+ {
+ sv_player->v.idealpitch = 0;
+ return;
+ }
+
+ if (steps < 2)
+ return;
+ sv_player->v.idealpitch = -dir * sv_idealpitchscale.value;
+}
+
+
+/*
+==================
+SV_UserFriction
+
+==================
+*/
+void SV_UserFriction (void)
+{
+ float *vel;
+ float speed, newspeed, control;
+ vec3_t start, stop;
+ float friction;
+ trace_t trace;
+
+ vel = velocity;
+
+ speed = sqrt(vel[0]*vel[0] +vel[1]*vel[1]);
+ if (!speed)
+ return;
+
+// if the leading edge is over a dropoff, increase friction
+ start[0] = stop[0] = origin[0] + vel[0]/speed*16;
+ start[1] = stop[1] = origin[1] + vel[1]/speed*16;
+ start[2] = origin[2] + sv_player->v.mins[2];
+ stop[2] = start[2] - 34;
+
+ trace = SV_Move (start, vec3_origin, vec3_origin, stop, true, sv_player);
+
+ if (trace.fraction == 1.0)
+ friction = sv_friction.value*sv_edgefriction.value;
+ else
+ friction = sv_friction.value;
+
+// apply friction
+ control = speed < sv_stopspeed.value ? sv_stopspeed.value : speed;
+ newspeed = speed - host_frametime*control*friction;
+
+ if (newspeed < 0)
+ newspeed = 0;
+ newspeed /= speed;
+
+ vel[0] = vel[0] * newspeed;
+ vel[1] = vel[1] * newspeed;
+ vel[2] = vel[2] * newspeed;
+}
+
+/*
+==============
+SV_Accelerate
+==============
+*/
+cvar_t sv_maxspeed = {"sv_maxspeed", "320", false, true};
+cvar_t sv_accelerate = {"sv_accelerate", "10"};
+#if 0
+void SV_Accelerate (vec3_t wishvel)
+{
+ int i;
+ float addspeed, accelspeed;
+ vec3_t pushvec;
+
+ if (wishspeed == 0)
+ return;
+
+ VectorSubtract (wishvel, velocity, pushvec);
+ addspeed = VectorNormalize (pushvec);
+
+ accelspeed = sv_accelerate.value*host_frametime*addspeed;
+ if (accelspeed > addspeed)
+ accelspeed = addspeed;
+
+ for (i=0 ; i<3 ; i++)
+ velocity[i] += accelspeed*pushvec[i];
+}
+#endif
+void SV_Accelerate (void)
+{
+ int i;
+ float addspeed, accelspeed, currentspeed;
+
+ currentspeed = DotProduct (velocity, wishdir);
+ addspeed = wishspeed - currentspeed;
+ if (addspeed <= 0)
+ return;
+ accelspeed = sv_accelerate.value*host_frametime*wishspeed;
+ if (accelspeed > addspeed)
+ accelspeed = addspeed;
+
+ for (i=0 ; i<3 ; i++)
+ velocity[i] += accelspeed*wishdir[i];
+}
+
+void SV_AirAccelerate (vec3_t wishveloc)
+{
+ int i;
+ float addspeed, wishspd, accelspeed, currentspeed;
+
+ wishspd = VectorNormalize (wishveloc);
+ if (wishspd > 30)
+ wishspd = 30;
+ currentspeed = DotProduct (velocity, wishveloc);
+ addspeed = wishspd - currentspeed;
+ if (addspeed <= 0)
+ return;
+// accelspeed = sv_accelerate.value * host_frametime;
+ accelspeed = sv_accelerate.value*wishspeed * host_frametime;
+ if (accelspeed > addspeed)
+ accelspeed = addspeed;
+
+ for (i=0 ; i<3 ; i++)
+ velocity[i] += accelspeed*wishveloc[i];
+}
+
+
+void DropPunchAngle (void)
+{
+ float len;
+
+ len = VectorNormalize (sv_player->v.punchangle);
+
+ len -= 10*host_frametime;
+ if (len < 0)
+ len = 0;
+ VectorScale (sv_player->v.punchangle, len, sv_player->v.punchangle);
+}
+
+/*
+===================
+SV_WaterMove
+
+===================
+*/
+void SV_WaterMove (void)
+{
+ int i;
+ vec3_t wishvel;
+ float speed, newspeed, wishspeed, addspeed, accelspeed;
+
+//
+// user intentions
+//
+ AngleVectors (sv_player->v.v_angle, forward, right, up);
+
+ for (i=0 ; i<3 ; i++)
+ wishvel[i] = forward[i]*cmd.forwardmove + right[i]*cmd.sidemove;
+
+ if (!cmd.forwardmove && !cmd.sidemove && !cmd.upmove)
+ wishvel[2] -= 60; // drift towards bottom
+ else
+ wishvel[2] += cmd.upmove;
+
+ wishspeed = Length(wishvel);
+ if (wishspeed > sv_maxspeed.value)
+ {
+ VectorScale (wishvel, sv_maxspeed.value/wishspeed, wishvel);
+ wishspeed = sv_maxspeed.value;
+ }
+ wishspeed *= 0.7;
+
+//
+// water friction
+//
+ speed = Length (velocity);
+ if (speed)
+ {
+ newspeed = speed - host_frametime * speed * sv_friction.value;
+ if (newspeed < 0)
+ newspeed = 0;
+ VectorScale (velocity, newspeed/speed, velocity);
+ }
+ else
+ newspeed = 0;
+
+//
+// water acceleration
+//
+ if (!wishspeed)
+ return;
+
+ addspeed = wishspeed - newspeed;
+ if (addspeed <= 0)
+ return;
+
+ VectorNormalize (wishvel);
+ accelspeed = sv_accelerate.value * wishspeed * host_frametime;
+ if (accelspeed > addspeed)
+ accelspeed = addspeed;
+
+ for (i=0 ; i<3 ; i++)
+ velocity[i] += accelspeed * wishvel[i];
+}
+
+void SV_WaterJump (void)
+{
+ if (sv.time > sv_player->v.teleport_time
+ || !sv_player->v.waterlevel)
+ {
+ sv_player->v.flags = (int)sv_player->v.flags & ~FL_WATERJUMP;
+ sv_player->v.teleport_time = 0;
+ }
+ sv_player->v.velocity[0] = sv_player->v.movedir[0];
+ sv_player->v.velocity[1] = sv_player->v.movedir[1];
+}
+
+
+/*
+===================
+SV_AirMove
+
+===================
+*/
+void SV_AirMove (void)
+{
+ int i;
+ vec3_t wishvel;
+ float fmove, smove;
+
+ AngleVectors (sv_player->v.angles, forward, right, up);
+
+ fmove = cmd.forwardmove;
+ smove = cmd.sidemove;
+
+// hack to not let you back into teleporter
+ if (sv.time < sv_player->v.teleport_time && fmove < 0)
+ fmove = 0;
+
+ for (i=0 ; i<3 ; i++)
+ wishvel[i] = forward[i]*fmove + right[i]*smove;
+
+ if ( (int)sv_player->v.movetype != MOVETYPE_WALK)
+ wishvel[2] = cmd.upmove;
+ else
+ wishvel[2] = 0;
+
+ VectorCopy (wishvel, wishdir);
+ wishspeed = VectorNormalize(wishdir);
+ if (wishspeed > sv_maxspeed.value)
+ {
+ VectorScale (wishvel, sv_maxspeed.value/wishspeed, wishvel);
+ wishspeed = sv_maxspeed.value;
+ }
+
+ if ( sv_player->v.movetype == MOVETYPE_NOCLIP)
+ { // noclip
+ VectorCopy (wishvel, velocity);
+ }
+ else if ( onground )
+ {
+ SV_UserFriction ();
+ SV_Accelerate ();
+ }
+ else
+ { // not on ground, so little effect on velocity
+ SV_AirAccelerate (wishvel);
+ }
+}
+
+/*
+===================
+SV_ClientThink
+
+the move fields specify an intended velocity in pix/sec
+the angle fields specify an exact angular motion in degrees
+===================
+*/
+void SV_ClientThink (void)
+{
+ vec3_t v_angle;
+
+ if (sv_player->v.movetype == MOVETYPE_NONE)
+ return;
+
+ onground = (int)sv_player->v.flags & FL_ONGROUND;
+
+ origin = sv_player->v.origin;
+ velocity = sv_player->v.velocity;
+
+ DropPunchAngle ();
+
+//
+// if dead, behave differently
+//
+ if (sv_player->v.health <= 0)
+ return;
+
+//
+// angles
+// show 1/3 the pitch angle and all the roll angle
+ cmd = host_client->cmd;
+ angles = sv_player->v.angles;
+
+ VectorAdd (sv_player->v.v_angle, sv_player->v.punchangle, v_angle);
+ angles[ROLL] = V_CalcRoll (sv_player->v.angles, sv_player->v.velocity)*4;
+ if (!sv_player->v.fixangle)
+ {
+ angles[PITCH] = -v_angle[PITCH]/3;
+ angles[YAW] = v_angle[YAW];
+ }
+
+ if ( (int)sv_player->v.flags & FL_WATERJUMP )
+ {
+ SV_WaterJump ();
+ return;
+ }
+//
+// walk
+//
+ if ( (sv_player->v.waterlevel >= 2)
+ && (sv_player->v.movetype != MOVETYPE_NOCLIP) )
+ {
+ SV_WaterMove ();
+ return;
+ }
+
+ SV_AirMove ();
+}
+
+
+/*
+===================
+SV_ReadClientMove
+===================
+*/
+void SV_ReadClientMove (usercmd_t *move)
+{
+ int i;
+ vec3_t angle;
+ int bits;
+
+// read ping time
+ host_client->ping_times[host_client->num_pings%NUM_PING_TIMES]
+ = sv.time - MSG_ReadFloat ();
+ host_client->num_pings++;
+
+// read current angles
+ for (i=0 ; i<3 ; i++)
+ angle[i] = MSG_ReadAngle ();
+
+ VectorCopy (angle, host_client->edict->v.v_angle);
+
+// read movement
+ move->forwardmove = MSG_ReadShort ();
+ move->sidemove = MSG_ReadShort ();
+ move->upmove = MSG_ReadShort ();
+
+// read buttons
+ bits = MSG_ReadByte ();
+ host_client->edict->v.button0 = bits & 1;
+ host_client->edict->v.button2 = (bits & 2)>>1;
+
+ i = MSG_ReadByte ();
+ if (i)
+ host_client->edict->v.impulse = i;
+
+#ifdef QUAKE2
+// read light level
+ host_client->edict->v.light_level = MSG_ReadByte ();
+#endif
+}
+
+/*
+===================
+SV_ReadClientMessage
+
+Returns false if the client should be killed
+===================
+*/
+qboolean SV_ReadClientMessage (void)
+{
+ int ret;
+ int cmd;
+ char *s;
+
+ do
+ {
+nextmsg:
+ ret = NET_GetMessage (host_client->netconnection);
+ if (ret == -1)
+ {
+ Sys_Printf ("SV_ReadClientMessage: NET_GetMessage failed\n");
+ return false;
+ }
+ if (!ret)
+ return true;
+
+ MSG_BeginReading ();
+
+ while (1)
+ {
+ if (!host_client->active)
+ return false; // a command caused an error
+
+ if (msg_badread)
+ {
+ Sys_Printf ("SV_ReadClientMessage: badread\n");
+ return false;
+ }
+
+ cmd = MSG_ReadChar ();
+
+ switch (cmd)
+ {
+ case -1:
+ goto nextmsg; // end of message
+
+ default:
+ Sys_Printf ("SV_ReadClientMessage: unknown command char\n");
+ return false;
+
+ case clc_nop:
+// Sys_Printf ("clc_nop\n");
+ break;
+
+ case clc_stringcmd:
+ s = MSG_ReadString ();
+ if (host_client->privileged)
+ ret = 2;
+ else
+ ret = 0;
+ if (Q_strncasecmp(s, "status", 6) == 0)
+ ret = 1;
+ else if (Q_strncasecmp(s, "god", 3) == 0)
+ ret = 1;
+ else if (Q_strncasecmp(s, "notarget", 8) == 0)
+ ret = 1;
+ else if (Q_strncasecmp(s, "fly", 3) == 0)
+ ret = 1;
+ else if (Q_strncasecmp(s, "name", 4) == 0)
+ ret = 1;
+ else if (Q_strncasecmp(s, "noclip", 6) == 0)
+ ret = 1;
+ else if (Q_strncasecmp(s, "say", 3) == 0)
+ ret = 1;
+ else if (Q_strncasecmp(s, "say_team", 8) == 0)
+ ret = 1;
+ else if (Q_strncasecmp(s, "tell", 4) == 0)
+ ret = 1;
+ else if (Q_strncasecmp(s, "color", 5) == 0)
+ ret = 1;
+ else if (Q_strncasecmp(s, "kill", 4) == 0)
+ ret = 1;
+ else if (Q_strncasecmp(s, "pause", 5) == 0)
+ ret = 1;
+ else if (Q_strncasecmp(s, "spawn", 5) == 0)
+ ret = 1;
+ else if (Q_strncasecmp(s, "begin", 5) == 0)
+ ret = 1;
+ else if (Q_strncasecmp(s, "prespawn", 8) == 0)
+ ret = 1;
+ else if (Q_strncasecmp(s, "kick", 4) == 0)
+ ret = 1;
+ else if (Q_strncasecmp(s, "ping", 4) == 0)
+ ret = 1;
+ else if (Q_strncasecmp(s, "give", 4) == 0)
+ ret = 1;
+ else if (Q_strncasecmp(s, "ban", 3) == 0)
+ ret = 1;
+ if (ret == 2)
+ Cbuf_InsertText (s);
+ else if (ret == 1)
+ Cmd_ExecuteString (s, src_client);
+ else
+ Con_DPrintf("%s tried to %s\n", host_client->name, s);
+ break;
+
+ case clc_disconnect:
+// Sys_Printf ("SV_ReadClientMessage: client disconnected\n");
+ return false;
+
+ case clc_move:
+ SV_ReadClientMove (&host_client->cmd);
+ break;
+ }
+ }
+ } while (ret == 1);
+
+ return true;
+}
+
+
+/*
+==================
+SV_RunClients
+==================
+*/
+void SV_RunClients (void)
+{
+ int i;
+
+ for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
+ {
+ if (!host_client->active)
+ continue;
+
+ sv_player = host_client->edict;
+
+ if (!SV_ReadClientMessage ())
+ {
+ SV_DropClient (false); // client misbehaved...
+ continue;
+ }
+
+ if (!host_client->spawned)
+ {
+ // clear client movement until a new packet is received
+ memset (&host_client->cmd, 0, sizeof(host_client->cmd));
+ continue;
+ }
+
+// always pause in single player if in console or menus
+ if (!sv.paused && (svs.maxclients > 1 || key_dest == key_game) )
+ SV_ClientThink ();
+ }
+}
+
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