631 lines
14 KiB
C
631 lines
14 KiB
C
/*
|
|
Copyright (C) 1996-2001 Id Software, Inc.
|
|
Copyright (C) 2002-2009 John Fitzgibbons and others
|
|
Copyright (C) 2010-2014 QuakeSpasm developers
|
|
|
|
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 "q_defs.h"
|
|
|
|
edict_t *sv_player;
|
|
|
|
extern cvar_t sv_friction;
|
|
cvar_t sv_edgefriction = {"edgefriction", "2", CVAR_NONE};
|
|
extern cvar_t sv_stopspeed;
|
|
|
|
static vec3_t forward, right, up;
|
|
|
|
// world
|
|
float *angles;
|
|
float *origin;
|
|
float *velocity;
|
|
|
|
bool onground;
|
|
|
|
usercmd_t cmd;
|
|
|
|
cvar_t sv_idealpitchscale = {"sv_idealpitchscale", "0.8", CVAR_NONE};
|
|
cvar_t sv_altnoclip = {"sv_altnoclip", "1", CVAR_ARCHIVE}; //johnfitz
|
|
|
|
/*
|
|
===============
|
|
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];
|
|
int32_t i, j;
|
|
int32_t step, dir, steps;
|
|
|
|
if(!((int32_t)ED_Float(sv_player, ED_flags) & FL_ONGROUND))
|
|
return;
|
|
|
|
angleval = ED_Vector(sv_player, ED_angles)[YAW] * PI * 2 / 360;
|
|
sinval = sin(angleval);
|
|
cosval = cos(angleval);
|
|
|
|
for(i = 0 ; i < MAX_FORWARD ; i++)
|
|
{
|
|
top[0] = ED_Vector(sv_player, ED_origin)[0] + cosval * (i + 3) * 12;
|
|
top[1] = ED_Vector(sv_player, ED_origin)[1] + sinval * (i + 3) * 12;
|
|
top[2] = ED_Vector(sv_player, ED_origin)[2] + ED_Vector(sv_player, ED_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)
|
|
{
|
|
ED_Float(sv_player, ED_idealpitch) = 0;
|
|
return;
|
|
}
|
|
|
|
if(steps < 2)
|
|
return;
|
|
ED_Float(sv_player, ED_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] + ED_Vector(sv_player, ED_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", CVAR_NOTIFY | CVAR_SERVERINFO};
|
|
cvar_t sv_accelerate = {"sv_accelerate", "10", CVAR_NONE};
|
|
void SV_Accelerate(float wishspeed, const vec3_t wishdir)
|
|
{
|
|
int32_t 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(float wishspeed, vec3_t wishveloc)
|
|
{
|
|
int32_t 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(ED_Vector(sv_player, ED_punchangle));
|
|
|
|
len -= 10 * host_frametime;
|
|
if(len < 0)
|
|
len = 0;
|
|
VectorScale(ED_Vector(sv_player, ED_punchangle), len, ED_Vector(sv_player, ED_punchangle));
|
|
}
|
|
|
|
/*
|
|
===================
|
|
SV_WaterMove
|
|
|
|
===================
|
|
*/
|
|
void SV_WaterMove(void)
|
|
{
|
|
int32_t i;
|
|
vec3_t wishvel;
|
|
float speed, newspeed, wishspeed, addspeed, accelspeed;
|
|
|
|
//
|
|
// user intentions
|
|
//
|
|
AngleVectors(ED_Vector(sv_player, ED_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 = VectorLength(wishvel);
|
|
if(wishspeed > sv_maxspeed.value)
|
|
{
|
|
VectorScale(wishvel, sv_maxspeed.value / wishspeed, wishvel);
|
|
wishspeed = sv_maxspeed.value;
|
|
}
|
|
wishspeed *= 0.7;
|
|
|
|
//
|
|
// water friction
|
|
//
|
|
speed = VectorLength(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 > ED_Float(sv_player, ED_teleport_time)
|
|
|| !ED_Float(sv_player, ED_waterlevel))
|
|
{
|
|
ED_Float(sv_player, ED_flags) = (int32_t)ED_Float(sv_player, ED_flags) & ~FL_WATERJUMP;
|
|
ED_Float(sv_player, ED_teleport_time) = 0;
|
|
}
|
|
ED_Vector(sv_player, ED_velocity)[0] = ED_Vector(sv_player, ED_movedir)[0];
|
|
ED_Vector(sv_player, ED_velocity)[1] = ED_Vector(sv_player, ED_movedir)[1];
|
|
}
|
|
|
|
/*
|
|
===================
|
|
SV_NoclipMove -- johnfitz
|
|
|
|
new, alternate noclip. old noclip is still handled in SV_AirMove
|
|
===================
|
|
*/
|
|
void SV_NoclipMove(void)
|
|
{
|
|
AngleVectors(ED_Vector(sv_player, ED_v_angle), forward, right, up);
|
|
|
|
velocity[0] = forward[0] * cmd.forwardmove + right[0] * cmd.sidemove;
|
|
velocity[1] = forward[1] * cmd.forwardmove + right[1] * cmd.sidemove;
|
|
velocity[2] = forward[2] * cmd.forwardmove + right[2] * cmd.sidemove;
|
|
velocity[2] += cmd.upmove * 2; //doubled to match running speed
|
|
|
|
if(VectorLength(velocity) > sv_maxspeed.value)
|
|
{
|
|
VectorNormalize(velocity);
|
|
VectorScale(velocity, sv_maxspeed.value, velocity);
|
|
}
|
|
}
|
|
|
|
/*
|
|
===================
|
|
SV_AirMove
|
|
===================
|
|
*/
|
|
void SV_AirMove(void)
|
|
{
|
|
int32_t i;
|
|
vec3_t wishvel, wishdir;
|
|
float wishspeed;
|
|
float fmove, smove;
|
|
|
|
AngleVectors(ED_Vector(sv_player, ED_angles), forward, right, up);
|
|
|
|
fmove = cmd.forwardmove;
|
|
smove = cmd.sidemove;
|
|
|
|
// hack to not let you back into teleporter
|
|
if(sv.time < ED_Float(sv_player, ED_teleport_time) && fmove < 0)
|
|
fmove = 0;
|
|
|
|
for(i = 0 ; i < 3 ; i++)
|
|
wishvel[i] = forward[i] * fmove + right[i] * smove;
|
|
|
|
if((int32_t)ED_Float(sv_player, ED_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(ED_Float(sv_player, ED_movetype) == MOVETYPE_NOCLIP)
|
|
{
|
|
// noclip
|
|
VectorCopy(wishvel, velocity);
|
|
}
|
|
else if(onground)
|
|
{
|
|
SV_UserFriction();
|
|
SV_Accelerate(wishspeed, wishdir);
|
|
}
|
|
else
|
|
{
|
|
// not on ground, so little effect on velocity
|
|
SV_AirAccelerate(wishspeed, wishvel);
|
|
}
|
|
}
|
|
|
|
/*
|
|
===================
|
|
SV_ClientThink
|
|
|
|
moves specify an intended velocity in pix/sec
|
|
angles specify an exact angular motion in degrees
|
|
===================
|
|
*/
|
|
void SV_ClientThink(void)
|
|
{
|
|
vec3_t v_angle;
|
|
|
|
if(ED_Float(sv_player, ED_movetype) == MOVETYPE_NONE)
|
|
return;
|
|
|
|
onground = (int32_t)ED_Float(sv_player, ED_flags) & FL_ONGROUND;
|
|
|
|
origin = ED_Vector(sv_player, ED_origin);
|
|
velocity = ED_Vector(sv_player, ED_velocity);
|
|
|
|
DropPunchAngle();
|
|
|
|
//
|
|
// if dead, behave differently
|
|
//
|
|
if(ED_Float(sv_player, ED_health) <= 0)
|
|
return;
|
|
|
|
//
|
|
// angles
|
|
// show 1/3 the pitch angle and all the roll angle
|
|
cmd = host_client->cmd;
|
|
angles = ED_Vector(sv_player, ED_angles);
|
|
|
|
VectorAdd(ED_Vector(sv_player, ED_v_angle), ED_Vector(sv_player, ED_punchangle), v_angle);
|
|
angles[ROLL] = V_CalcRoll(ED_Vector(sv_player, ED_angles), ED_Vector(sv_player, ED_velocity)) * 4;
|
|
if(!ED_Float(sv_player, ED_fixangle))
|
|
{
|
|
angles[PITCH] = -v_angle[PITCH] / 3;
|
|
angles[YAW] = v_angle[YAW];
|
|
}
|
|
|
|
if((int32_t)ED_Float(sv_player, ED_flags) & FL_WATERJUMP)
|
|
{
|
|
SV_WaterJump();
|
|
return;
|
|
}
|
|
//
|
|
// walk
|
|
//
|
|
//johnfitz -- alternate noclip
|
|
if(ED_Float(sv_player, ED_movetype) == MOVETYPE_NOCLIP && sv_altnoclip.value)
|
|
SV_NoclipMove();
|
|
else if(ED_Float(sv_player, ED_waterlevel) >= 2 && ED_Float(sv_player, ED_movetype) != MOVETYPE_NOCLIP)
|
|
SV_WaterMove();
|
|
else
|
|
SV_AirMove();
|
|
//johnfitz
|
|
}
|
|
|
|
|
|
/*
|
|
===================
|
|
SV_ReadClientMove
|
|
===================
|
|
*/
|
|
void SV_ReadClientMove(usercmd_t *move)
|
|
{
|
|
int32_t i;
|
|
vec3_t angle;
|
|
int32_t 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++)
|
|
//johnfitz -- 16-bit angles for PROTOCOL_FITZQUAKE
|
|
if(sv.protocol == PROTOCOL_NETQUAKE)
|
|
angle[i] = MSG_ReadAngle(sv.protocolflags);
|
|
else
|
|
angle[i] = MSG_ReadAngle16(sv.protocolflags);
|
|
//johnfitz
|
|
|
|
VectorCopy(angle, ED_Vector(host_client->edict, ED_v_angle));
|
|
|
|
// read movement
|
|
move->forwardmove = MSG_ReadShort();
|
|
move->sidemove = MSG_ReadShort();
|
|
move->upmove = MSG_ReadShort();
|
|
|
|
// read buttons
|
|
bits = MSG_ReadByte();
|
|
ED_Float(host_client->edict, ED_button0) = bits & 1;
|
|
ED_Float(host_client->edict, ED_button2) = (bits & 2) >> 1;
|
|
|
|
i = MSG_ReadByte();
|
|
if(i)
|
|
ED_Float(host_client->edict, ED_impulse) = i;
|
|
}
|
|
|
|
/*
|
|
===================
|
|
SV_ReadClientMessage
|
|
|
|
Returns false if the client should be killed
|
|
===================
|
|
*/
|
|
bool SV_ReadClientMessage(void)
|
|
{
|
|
int32_t ret;
|
|
int32_t ccmd;
|
|
const 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;
|
|
}
|
|
|
|
ccmd = MSG_ReadChar();
|
|
|
|
switch(ccmd)
|
|
{
|
|
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();
|
|
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, "setpos", 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 == 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)
|
|
{
|
|
int32_t 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();
|
|
}
|
|
}
|
|
|