forked from KolibriOS/kolibrios
630 lines
13 KiB
C
630 lines
13 KiB
C
/*
|
|
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 ();
|
|
}
|
|
}
|
|
|