mirror of https://git.code.sf.net/p/quake/newtree
984 lines
20 KiB
C
984 lines
20 KiB
C
/*
|
|
pmove.c
|
|
|
|
(description)
|
|
|
|
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:
|
|
|
|
Free Software Foundation, Inc.
|
|
59 Temple Place - Suite 330
|
|
Boston, MA 02111-1307, USA
|
|
|
|
$Id$
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include <config.h>
|
|
#endif
|
|
#include "compat.h"
|
|
#include "qtypes.h"
|
|
#include "client.h"
|
|
#include "pmove.h"
|
|
|
|
#include <math.h>
|
|
|
|
|
|
movevars_t movevars;
|
|
|
|
playermove_t pmove;
|
|
|
|
int onground;
|
|
int waterlevel;
|
|
int watertype;
|
|
|
|
float frametime;
|
|
|
|
vec3_t forward, right, up;
|
|
|
|
vec3_t player_mins = {-16, -16, -24};
|
|
vec3_t player_maxs = {16, 16, 32};
|
|
|
|
// #define PM_GRAVITY 800
|
|
// #define PM_STOPSPEED 100
|
|
// #define PM_MAXSPEED 320
|
|
// #define PM_SPECTATORMAXSPEED 500
|
|
// #define PM_ACCELERATE 10
|
|
// #define PM_AIRACCELERATE 0.7
|
|
// #define PM_WATERACCELERATE 10
|
|
// #define PM_FRICTION 6
|
|
// #define PM_WATERFRICTION 1
|
|
|
|
void PM_InitBoxHull (void);
|
|
void PM_CategorizePosition (void);
|
|
|
|
void Pmove_Init (void)
|
|
{
|
|
PM_InitBoxHull ();
|
|
}
|
|
|
|
#define STEPSIZE 18
|
|
|
|
|
|
#define BUTTON_JUMP 2
|
|
|
|
|
|
/*
|
|
==================
|
|
PM_ClipVelocity
|
|
|
|
Slide off of the impacting object
|
|
returns the blocked flags (1 = floor, 2 = step / wall)
|
|
==================
|
|
*/
|
|
#define STOP_EPSILON 0.1
|
|
|
|
int PM_ClipVelocity (vec3_t in, vec3_t normal, vec3_t out, float overbounce)
|
|
{
|
|
float backoff;
|
|
float change;
|
|
int i, blocked;
|
|
|
|
blocked = 0;
|
|
if (normal[2] > 0)
|
|
blocked |= 1; // floor
|
|
if (!normal[2])
|
|
blocked |= 2; // step
|
|
|
|
backoff = DotProduct (in, normal) * overbounce;
|
|
|
|
for (i=0 ; i<3 ; i++)
|
|
{
|
|
change = normal[i]*backoff;
|
|
out[i] = in[i] - change;
|
|
if (out[i] > -STOP_EPSILON && out[i] < STOP_EPSILON)
|
|
out[i] = 0;
|
|
}
|
|
|
|
return blocked;
|
|
}
|
|
|
|
|
|
/*
|
|
============
|
|
PM_FlyMove
|
|
|
|
The basic solid body movement clip that slides along multiple planes
|
|
============
|
|
*/
|
|
#define MAX_CLIP_PLANES 5
|
|
|
|
int PM_FlyMove (void)
|
|
{
|
|
int bumpcount, numbumps;
|
|
vec3_t dir;
|
|
float d;
|
|
int numplanes;
|
|
vec3_t planes[MAX_CLIP_PLANES];
|
|
vec3_t primal_velocity, original_velocity;
|
|
int i, j;
|
|
pmtrace_t trace;
|
|
vec3_t end;
|
|
float time_left;
|
|
int blocked;
|
|
|
|
numbumps = 4;
|
|
|
|
blocked = 0;
|
|
VectorCopy (pmove.velocity, original_velocity);
|
|
VectorCopy (pmove.velocity, primal_velocity);
|
|
numplanes = 0;
|
|
|
|
time_left = frametime;
|
|
|
|
for (bumpcount=0 ; bumpcount<numbumps ; bumpcount++)
|
|
{
|
|
for (i=0 ; i<3 ; i++)
|
|
end[i] = pmove.origin[i] + time_left * pmove.velocity[i];
|
|
|
|
trace = PM_PlayerMove (pmove.origin, end);
|
|
|
|
if (trace.startsolid || trace.allsolid)
|
|
{ // entity is trapped in another solid
|
|
VectorCopy (vec3_origin, pmove.velocity);
|
|
return 3;
|
|
}
|
|
|
|
if (trace.fraction > 0)
|
|
{ // actually covered some distance
|
|
VectorCopy (trace.endpos, pmove.origin);
|
|
numplanes = 0;
|
|
}
|
|
|
|
if (trace.fraction == 1)
|
|
break; // moved the entire distance
|
|
|
|
// save entity for contact
|
|
pmove.touchindex[pmove.numtouch] = trace.ent;
|
|
pmove.numtouch++;
|
|
|
|
if (trace.plane.normal[2] > 0.7)
|
|
{
|
|
blocked |= 1; // floor
|
|
}
|
|
if (!trace.plane.normal[2])
|
|
{
|
|
blocked |= 2; // step
|
|
}
|
|
|
|
time_left -= time_left * trace.fraction;
|
|
|
|
// cliped to another plane
|
|
if (numplanes >= MAX_CLIP_PLANES)
|
|
{ // this shouldn't really happen
|
|
VectorCopy (vec3_origin, pmove.velocity);
|
|
break;
|
|
}
|
|
|
|
VectorCopy (trace.plane.normal, planes[numplanes]);
|
|
numplanes++;
|
|
|
|
//
|
|
// modify original_velocity so it parallels all of the clip planes
|
|
//
|
|
for (i=0 ; i<numplanes ; i++)
|
|
{
|
|
PM_ClipVelocity (original_velocity, planes[i], pmove.velocity, 1);
|
|
for (j=0 ; j<numplanes ; j++)
|
|
if (j != i)
|
|
{
|
|
if (DotProduct (pmove.velocity, planes[j]) < 0)
|
|
break; // not ok
|
|
}
|
|
if (j == numplanes)
|
|
break;
|
|
}
|
|
|
|
if (i != numplanes)
|
|
{ // go along this plane
|
|
}
|
|
else
|
|
{ // go along the crease
|
|
if (numplanes != 2)
|
|
{
|
|
// Con_Printf ("clip velocity, numplanes == %i\n",numplanes);
|
|
VectorCopy (vec3_origin, pmove.velocity);
|
|
break;
|
|
}
|
|
CrossProduct (planes[0], planes[1], dir);
|
|
d = DotProduct (dir, pmove.velocity);
|
|
VectorScale (dir, d, pmove.velocity);
|
|
}
|
|
|
|
//
|
|
// if original velocity is against the original velocity, stop dead
|
|
// to avoid tiny occilations in sloping corners
|
|
//
|
|
if (DotProduct (pmove.velocity, primal_velocity) <= 0)
|
|
{
|
|
VectorCopy (vec3_origin, pmove.velocity);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (pmove.waterjumptime)
|
|
{
|
|
VectorCopy (primal_velocity, pmove.velocity);
|
|
}
|
|
return blocked;
|
|
}
|
|
|
|
|
|
void PM_Accelerate (vec3_t, float, float);
|
|
|
|
/*
|
|
PM_FlymodeMove
|
|
|
|
Pre-PM_FlyMove function for MOVETYPE_FLY players. Could have altered
|
|
other physics to fit this in, but that's to easy to screw up. --KB
|
|
*/
|
|
void
|
|
PM_FlymodeMove ( void )
|
|
{
|
|
vec3_t start, dest, pmvel, pmtmp;
|
|
pmtrace_t trace;
|
|
float pmspeed;
|
|
|
|
pmvel[0] = forward[0]*pmove.cmd.forwardmove + right[0]*pmove.cmd.sidemove;
|
|
pmvel[1] = forward[1]*pmove.cmd.forwardmove + right[1]*pmove.cmd.sidemove;
|
|
pmvel[2] = forward[2]*pmove.cmd.forwardmove + right[2]*pmove.cmd.sidemove
|
|
+ pmove.cmd.upmove;
|
|
|
|
VectorCopy (pmvel, pmtmp);
|
|
pmspeed = VectorNormalize(pmtmp); // don't alter pmvel
|
|
|
|
if (pmspeed > movevars.maxspeed) // there IS a spoon, Neo..
|
|
{
|
|
VectorScale (pmvel, movevars.maxspeed / pmspeed, pmvel);
|
|
pmspeed = movevars.maxspeed;
|
|
}
|
|
PM_Accelerate (pmtmp, pmspeed, movevars.wateraccelerate);
|
|
|
|
VectorMA (pmove.origin, frametime, pmove.velocity, dest);
|
|
VectorCopy (dest, start);
|
|
start[2] += STEPSIZE + 1;
|
|
trace = PM_PlayerMove (start, dest);
|
|
if (!trace.startsolid && !trace.allsolid)
|
|
{
|
|
VectorCopy (trace.endpos, pmove.origin);
|
|
return; // just step up
|
|
}
|
|
|
|
PM_FlyMove (); // NOW we fly.
|
|
}
|
|
|
|
|
|
/*
|
|
=============
|
|
PM_GroundMove
|
|
|
|
Player is on ground, with no upwards velocity
|
|
=============
|
|
*/
|
|
void PM_GroundMove (void)
|
|
{
|
|
vec3_t start, dest;
|
|
pmtrace_t trace;
|
|
vec3_t original, originalvel, down, up, downvel;
|
|
float downdist, updist;
|
|
|
|
pmove.velocity[2] = 0;
|
|
if (!pmove.velocity[0] && !pmove.velocity[1] && !pmove.velocity[2])
|
|
return;
|
|
|
|
// first try just moving to the destination
|
|
dest[0] = pmove.origin[0] + pmove.velocity[0]*frametime;
|
|
dest[1] = pmove.origin[1] + pmove.velocity[1]*frametime;
|
|
dest[2] = pmove.origin[2];
|
|
|
|
// first try moving directly to the next spot
|
|
VectorCopy (dest, start);
|
|
trace = PM_PlayerMove (pmove.origin, dest);
|
|
if (trace.fraction == 1)
|
|
{
|
|
VectorCopy (trace.endpos, pmove.origin);
|
|
return;
|
|
}
|
|
|
|
// try sliding forward both on ground and up 16 pixels
|
|
// take the move that goes farthest
|
|
VectorCopy (pmove.origin, original);
|
|
VectorCopy (pmove.velocity, originalvel);
|
|
|
|
// slide move
|
|
PM_FlyMove ();
|
|
|
|
VectorCopy (pmove.origin, down);
|
|
VectorCopy (pmove.velocity, downvel);
|
|
|
|
VectorCopy (original, pmove.origin);
|
|
VectorCopy (originalvel, pmove.velocity);
|
|
|
|
// move up a stair height
|
|
VectorCopy (pmove.origin, dest);
|
|
dest[2] += STEPSIZE;
|
|
trace = PM_PlayerMove (pmove.origin, dest);
|
|
if (!trace.startsolid && !trace.allsolid)
|
|
{
|
|
VectorCopy (trace.endpos, pmove.origin);
|
|
}
|
|
|
|
// slide move
|
|
PM_FlyMove ();
|
|
|
|
// press down the stepheight
|
|
VectorCopy (pmove.origin, dest);
|
|
dest[2] -= STEPSIZE;
|
|
trace = PM_PlayerMove (pmove.origin, dest);
|
|
if ( trace.plane.normal[2] < 0.7)
|
|
goto usedown;
|
|
if (!trace.startsolid && !trace.allsolid)
|
|
{
|
|
VectorCopy (trace.endpos, pmove.origin);
|
|
}
|
|
VectorCopy (pmove.origin, up);
|
|
|
|
// decide which one went farther
|
|
downdist = (down[0] - original[0])*(down[0] - original[0])
|
|
+ (down[1] - original[1])*(down[1] - original[1]);
|
|
updist = (up[0] - original[0])*(up[0] - original[0])
|
|
+ (up[1] - original[1])*(up[1] - original[1]);
|
|
|
|
if (downdist > updist)
|
|
{
|
|
usedown:
|
|
VectorCopy (down, pmove.origin);
|
|
VectorCopy (downvel, pmove.velocity);
|
|
} else // copy z value from slide move
|
|
pmove.velocity[2] = downvel[2];
|
|
|
|
// if at a dead stop, retry the move with nudges to get around lips
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
==================
|
|
PM_Friction
|
|
|
|
Handles both ground friction and water friction
|
|
==================
|
|
*/
|
|
void PM_Friction (void)
|
|
{
|
|
float *vel;
|
|
float speed, newspeed;
|
|
float friction;
|
|
float drop;
|
|
vec3_t start, stop;
|
|
pmtrace_t trace;
|
|
|
|
if (pmove.waterjumptime)
|
|
return;
|
|
|
|
vel = pmove.velocity;
|
|
|
|
speed = sqrt(vel[0]*vel[0] +vel[1]*vel[1] + vel[2]*vel[2]);
|
|
if (speed < 1)
|
|
{
|
|
vel[0] = 0;
|
|
vel[1] = 0;
|
|
return;
|
|
}
|
|
|
|
friction = movevars.friction;
|
|
|
|
// if the leading edge is over a dropoff, increase friction
|
|
if (onground != -1) {
|
|
start[0] = stop[0] = pmove.origin[0] + vel[0]/speed*16;
|
|
start[1] = stop[1] = pmove.origin[1] + vel[1]/speed*16;
|
|
start[2] = pmove.origin[2] + player_mins[2];
|
|
stop[2] = start[2] - 34;
|
|
|
|
trace = PM_PlayerMove (start, stop);
|
|
|
|
if (trace.fraction == 1) {
|
|
friction *= 2;
|
|
}
|
|
}
|
|
|
|
drop = 0;
|
|
|
|
if (waterlevel >= 2) // apply water friction
|
|
drop += speed*movevars.waterfriction*waterlevel*frametime;
|
|
else if (pmove.flying) // apply flying friction
|
|
drop += max(movevars.stopspeed, speed) * friction * frametime;
|
|
else if (onground != -1) // apply ground friction
|
|
drop += max(movevars.stopspeed, speed) * friction * frametime;
|
|
|
|
// scale the velocity
|
|
newspeed = speed - drop;
|
|
if (newspeed < 0)
|
|
newspeed = 0;
|
|
newspeed /= speed;
|
|
|
|
vel[0] = vel[0] * newspeed;
|
|
vel[1] = vel[1] * newspeed;
|
|
vel[2] = vel[2] * newspeed;
|
|
}
|
|
|
|
|
|
/*
|
|
==============
|
|
PM_Accelerate
|
|
==============
|
|
*/
|
|
void PM_Accelerate (vec3_t wishdir, float wishspeed, float accel)
|
|
{
|
|
int i;
|
|
float addspeed, accelspeed, currentspeed;
|
|
|
|
if (pmove.dead)
|
|
return;
|
|
if (pmove.waterjumptime)
|
|
return;
|
|
|
|
currentspeed = DotProduct (pmove.velocity, wishdir);
|
|
addspeed = wishspeed - currentspeed;
|
|
if (addspeed <= 0)
|
|
return;
|
|
accelspeed = accel*frametime*wishspeed;
|
|
if (accelspeed > addspeed)
|
|
accelspeed = addspeed;
|
|
|
|
for (i=0 ; i<3 ; i++)
|
|
pmove.velocity[i] += accelspeed*wishdir[i];
|
|
}
|
|
|
|
void PM_AirAccelerate (vec3_t wishdir, float wishspeed, float accel)
|
|
{
|
|
int i;
|
|
float addspeed, accelspeed, currentspeed, wishspd = wishspeed;
|
|
|
|
if (pmove.dead)
|
|
return;
|
|
if (pmove.waterjumptime)
|
|
return;
|
|
|
|
if (wishspd > 30)
|
|
wishspd = 30;
|
|
currentspeed = DotProduct (pmove.velocity, wishdir);
|
|
addspeed = wishspd - currentspeed;
|
|
if (addspeed <= 0)
|
|
return;
|
|
accelspeed = accel * wishspeed * frametime;
|
|
if (accelspeed > addspeed)
|
|
accelspeed = addspeed;
|
|
|
|
for (i=0 ; i<3 ; i++)
|
|
pmove.velocity[i] += accelspeed*wishdir[i];
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
===================
|
|
PM_WaterMove
|
|
|
|
===================
|
|
*/
|
|
void PM_WaterMove (void)
|
|
{
|
|
int i;
|
|
vec3_t wishvel;
|
|
float wishspeed;
|
|
vec3_t wishdir;
|
|
vec3_t start, dest;
|
|
pmtrace_t trace;
|
|
|
|
//
|
|
// user intentions
|
|
//
|
|
for (i=0 ; i<3 ; i++)
|
|
wishvel[i] = forward[i]*pmove.cmd.forwardmove + right[i]*pmove.cmd.sidemove;
|
|
|
|
if (!pmove.cmd.forwardmove && !pmove.cmd.sidemove && !pmove.cmd.upmove)
|
|
wishvel[2] -= 60; // drift towards bottom
|
|
else
|
|
wishvel[2] += pmove.cmd.upmove;
|
|
|
|
VectorCopy (wishvel, wishdir);
|
|
wishspeed = VectorNormalize(wishdir);
|
|
|
|
if (wishspeed > movevars.maxspeed)
|
|
{
|
|
VectorScale (wishvel, movevars.maxspeed/wishspeed, wishvel);
|
|
wishspeed = movevars.maxspeed;
|
|
}
|
|
wishspeed *= 0.7;
|
|
|
|
//
|
|
// water acceleration
|
|
//
|
|
// if (pmove.waterjumptime)
|
|
// Con_Printf ("wm->%f, %f, %f\n", pmove.velocity[0], pmove.velocity[1], pmove.velocity[2]);
|
|
PM_Accelerate (wishdir, wishspeed, movevars.wateraccelerate);
|
|
|
|
// assume it is a stair or a slope, so press down from stepheight above
|
|
VectorMA (pmove.origin, frametime, pmove.velocity, dest);
|
|
VectorCopy (dest, start);
|
|
start[2] += STEPSIZE + 1;
|
|
trace = PM_PlayerMove (start, dest);
|
|
if (!trace.startsolid && !trace.allsolid) // FIXME: check steep slope?
|
|
{ // walked up the step
|
|
VectorCopy (trace.endpos, pmove.origin);
|
|
return;
|
|
}
|
|
|
|
PM_FlyMove ();
|
|
// if (pmove.waterjumptime)
|
|
// Con_Printf ("<-wm%f, %f, %f\n", pmove.velocity[0], pmove.velocity[1], pmove.velocity[2]);
|
|
}
|
|
|
|
|
|
/*
|
|
===================
|
|
PM_AirMove
|
|
|
|
===================
|
|
*/
|
|
void PM_AirMove (void)
|
|
{
|
|
int i;
|
|
vec3_t wishvel;
|
|
float fmove, smove;
|
|
vec3_t wishdir;
|
|
float wishspeed;
|
|
vec3_t original;
|
|
|
|
fmove = pmove.cmd.forwardmove;
|
|
smove = pmove.cmd.sidemove;
|
|
|
|
forward[2] = 0;
|
|
right[2] = 0;
|
|
VectorNormalize (forward);
|
|
VectorNormalize (right);
|
|
|
|
for (i=0 ; i<2 ; i++)
|
|
wishvel[i] = forward[i]*fmove + right[i]*smove;
|
|
wishvel[2] = 0;
|
|
|
|
VectorCopy (wishvel, wishdir);
|
|
wishspeed = VectorNormalize(wishdir);
|
|
|
|
//
|
|
// clamp to server defined max speed
|
|
//
|
|
if (wishspeed > movevars.maxspeed)
|
|
{
|
|
VectorScale (wishvel, movevars.maxspeed/wishspeed, wishvel);
|
|
wishspeed = movevars.maxspeed;
|
|
}
|
|
|
|
// if (pmove.waterjumptime)
|
|
// Con_Printf ("am->%f, %f, %f\n", pmove.velocity[0], pmove.velocity[1], pmove.velocity[2]);
|
|
|
|
if ( onground != -1)
|
|
{
|
|
pmove.velocity[2] = 0;
|
|
PM_Accelerate (wishdir, wishspeed, movevars.accelerate);
|
|
pmove.velocity[2] -= movevars.entgravity * movevars.gravity * frametime;
|
|
PM_GroundMove ();
|
|
} else if (pmove.flying)
|
|
{
|
|
PM_AirAccelerate (wishdir, wishspeed, movevars.accelerate);
|
|
PM_FlyMove ();
|
|
} else {
|
|
// not on ground, so little effect on velocity
|
|
PM_AirAccelerate (wishdir, wishspeed, movevars.accelerate);
|
|
|
|
// add gravity
|
|
pmove.velocity[2] -= movevars.entgravity * movevars.gravity * frametime;
|
|
|
|
if ( ! PM_FlyMove() )
|
|
{
|
|
// the move didn't get blocked
|
|
PM_CategorizePosition ();
|
|
if (onground != -1) // but we're on ground now
|
|
{
|
|
// This is a hack to fix the jumping bug
|
|
VectorCopy (pmove.origin, original);
|
|
// Calculate correct velocity
|
|
if ( ! PM_FlyMove() )
|
|
{
|
|
// This shouldn't probably happen (?)
|
|
if (pmove.velocity[2] < 0)
|
|
pmove.velocity[2] = 0;
|
|
}
|
|
VectorCopy (original, pmove.origin);
|
|
}
|
|
}
|
|
}
|
|
|
|
//Con_Printf("airmove:vec: %4.2f %4.2f %4.2f\n",
|
|
// pmove.velocity[0],
|
|
// pmove.velocity[1],
|
|
// pmove.velocity[2]);
|
|
//
|
|
|
|
// if (pmove.waterjumptime)
|
|
// Con_Printf ("<-am%f, %f, %f\n", pmove.velocity[0], pmove.velocity[1], pmove.velocity[2]);
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
=============
|
|
PM_CategorizePosition
|
|
=============
|
|
*/
|
|
void PM_CategorizePosition (void)
|
|
{
|
|
vec3_t point;
|
|
int cont;
|
|
pmtrace_t tr;
|
|
|
|
// if the player hull point one unit down is solid, the player
|
|
// is on ground
|
|
|
|
// see if standing on something solid
|
|
point[0] = pmove.origin[0];
|
|
point[1] = pmove.origin[1];
|
|
point[2] = pmove.origin[2] - 1;
|
|
if (pmove.velocity[2] > 180)
|
|
{
|
|
onground = -1;
|
|
}
|
|
else
|
|
{
|
|
tr = PM_PlayerMove (pmove.origin, point);
|
|
if ( tr.plane.normal[2] < 0.7)
|
|
onground = -1; // too steep
|
|
else
|
|
onground = tr.ent;
|
|
if (onground != -1)
|
|
{
|
|
pmove.waterjumptime = 0;
|
|
if (!tr.startsolid && !tr.allsolid)
|
|
VectorCopy (tr.endpos, pmove.origin);
|
|
}
|
|
|
|
// standing on an entity other than the world
|
|
if (tr.ent > 0)
|
|
{
|
|
pmove.touchindex[pmove.numtouch] = tr.ent;
|
|
pmove.numtouch++;
|
|
}
|
|
}
|
|
|
|
//
|
|
// get waterlevel
|
|
//
|
|
waterlevel = 0;
|
|
watertype = CONTENTS_EMPTY;
|
|
|
|
point[2] = pmove.origin[2] + player_mins[2] + 1;
|
|
cont = PM_PointContents (point);
|
|
|
|
if (cont <= CONTENTS_WATER)
|
|
{
|
|
watertype = cont;
|
|
waterlevel = 1;
|
|
point[2] = pmove.origin[2] + (player_mins[2] + player_maxs[2])*0.5;
|
|
cont = PM_PointContents (point);
|
|
if (cont <= CONTENTS_WATER)
|
|
{
|
|
waterlevel = 2;
|
|
point[2] = pmove.origin[2] + 22;
|
|
cont = PM_PointContents (point);
|
|
if (cont <= CONTENTS_WATER)
|
|
waterlevel = 3;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
=============
|
|
JumpButton
|
|
=============
|
|
*/
|
|
void JumpButton (void)
|
|
{
|
|
if (pmove.dead)
|
|
{
|
|
pmove.oldbuttons |= BUTTON_JUMP; // don't jump again until released
|
|
return;
|
|
}
|
|
|
|
if (pmove.waterjumptime)
|
|
{
|
|
pmove.waterjumptime -= frametime;
|
|
if (pmove.waterjumptime < 0)
|
|
pmove.waterjumptime = 0;
|
|
return;
|
|
}
|
|
|
|
if (waterlevel >= 2)
|
|
{ // swimming, not jumping
|
|
onground = -1;
|
|
|
|
if (watertype == CONTENTS_WATER)
|
|
pmove.velocity[2] = 100;
|
|
else if (watertype == CONTENTS_SLIME)
|
|
pmove.velocity[2] = 80;
|
|
else
|
|
pmove.velocity[2] = 50;
|
|
return;
|
|
}
|
|
|
|
if (onground == -1)
|
|
return; // in air, so no effect
|
|
|
|
if ( pmove.oldbuttons & BUTTON_JUMP )
|
|
return; // don't pogo stick
|
|
|
|
onground = -1;
|
|
pmove.velocity[2] += 270;
|
|
|
|
pmove.oldbuttons |= BUTTON_JUMP; // don't jump again until released
|
|
}
|
|
|
|
/*
|
|
=============
|
|
CheckWaterJump
|
|
=============
|
|
*/
|
|
void CheckWaterJump (void)
|
|
{
|
|
vec3_t spot;
|
|
int cont;
|
|
vec3_t flatforward;
|
|
|
|
if (pmove.waterjumptime || pmove.flying)
|
|
return;
|
|
|
|
// ZOID, don't hop out if we just jumped in
|
|
if (pmove.velocity[2] < -180)
|
|
return; // only hop out if we are moving up
|
|
|
|
// see if near an edge
|
|
flatforward[0] = forward[0];
|
|
flatforward[1] = forward[1];
|
|
flatforward[2] = 0;
|
|
VectorNormalize (flatforward);
|
|
|
|
VectorMA (pmove.origin, 24, flatforward, spot);
|
|
spot[2] += 8;
|
|
cont = PM_PointContents (spot);
|
|
if (cont != CONTENTS_SOLID)
|
|
return;
|
|
spot[2] += 24;
|
|
cont = PM_PointContents (spot);
|
|
if (cont != CONTENTS_EMPTY)
|
|
return;
|
|
// jump out of water
|
|
VectorScale (flatforward, 50, pmove.velocity);
|
|
pmove.velocity[2] = 310;
|
|
pmove.waterjumptime = 2; // safety net
|
|
pmove.oldbuttons |= BUTTON_JUMP; // don't jump again until released
|
|
}
|
|
|
|
/*
|
|
=================
|
|
NudgePosition
|
|
|
|
If pmove.origin is in a solid position,
|
|
try nudging slightly on all axis to
|
|
allow for the cut precision of the net coordinates
|
|
=================
|
|
*/
|
|
void NudgePosition (void)
|
|
{
|
|
vec3_t base;
|
|
int x, y, z;
|
|
int i;
|
|
static int sign[3] = {0, -1, 1};
|
|
|
|
VectorCopy (pmove.origin, base);
|
|
|
|
for (i=0 ; i<3 ; i++)
|
|
pmove.origin[i] = ((int)(pmove.origin[i]*8)) * 0.125;
|
|
// pmove.origin[2] += 0.124;
|
|
|
|
// if (pmove.dead)
|
|
// return; // might be a squished point, so don'y bother
|
|
// if (PM_TestPlayerPosition (pmove.origin) )
|
|
// return;
|
|
|
|
for (z=0 ; z<=2 ; z++)
|
|
{
|
|
for (x=0 ; x<=2 ; x++)
|
|
{
|
|
for (y=0 ; y<=2 ; y++)
|
|
{
|
|
pmove.origin[0] = base[0] + (sign[x] * 1.0/8);
|
|
pmove.origin[1] = base[1] + (sign[y] * 1.0/8);
|
|
pmove.origin[2] = base[2] + (sign[z] * 1.0/8);
|
|
if (PM_TestPlayerPosition (pmove.origin))
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
VectorCopy (base, pmove.origin);
|
|
// Con_DPrintf ("NudgePosition: stuck\n");
|
|
}
|
|
|
|
/*
|
|
===============
|
|
SpectatorMove
|
|
===============
|
|
*/
|
|
void SpectatorMove (void)
|
|
{
|
|
float speed, drop, friction, control, newspeed;
|
|
float currentspeed, addspeed, accelspeed;
|
|
int i;
|
|
vec3_t wishvel;
|
|
float fmove, smove;
|
|
vec3_t wishdir;
|
|
float wishspeed;
|
|
|
|
// friction
|
|
|
|
speed = Length (pmove.velocity);
|
|
if (speed < 1)
|
|
{
|
|
VectorCopy (vec3_origin, pmove.velocity)
|
|
}
|
|
else
|
|
{
|
|
drop = 0;
|
|
|
|
friction = movevars.friction*1.5; // extra friction
|
|
control = speed < movevars.stopspeed ? movevars.stopspeed : speed;
|
|
drop += control*friction*frametime;
|
|
|
|
// scale the velocity
|
|
newspeed = speed - drop;
|
|
if (newspeed < 0)
|
|
newspeed = 0;
|
|
newspeed /= speed;
|
|
|
|
VectorScale (pmove.velocity, newspeed, pmove.velocity);
|
|
}
|
|
|
|
// accelerate
|
|
fmove = pmove.cmd.forwardmove;
|
|
smove = pmove.cmd.sidemove;
|
|
|
|
VectorNormalize (forward);
|
|
VectorNormalize (right);
|
|
|
|
for (i=0 ; i<3 ; i++)
|
|
wishvel[i] = forward[i]*fmove + right[i]*smove;
|
|
wishvel[2] += pmove.cmd.upmove;
|
|
|
|
VectorCopy (wishvel, wishdir);
|
|
wishspeed = VectorNormalize(wishdir);
|
|
|
|
//
|
|
// clamp to server defined max speed
|
|
//
|
|
if (wishspeed > movevars.spectatormaxspeed)
|
|
{
|
|
VectorScale (wishvel, movevars.spectatormaxspeed/wishspeed, wishvel);
|
|
wishspeed = movevars.spectatormaxspeed;
|
|
}
|
|
|
|
currentspeed = DotProduct(pmove.velocity, wishdir);
|
|
addspeed = wishspeed - currentspeed;
|
|
if (addspeed <= 0)
|
|
return;
|
|
accelspeed = movevars.accelerate*frametime*wishspeed;
|
|
if (accelspeed > addspeed)
|
|
accelspeed = addspeed;
|
|
|
|
for (i=0 ; i<3 ; i++)
|
|
pmove.velocity[i] += accelspeed*wishdir[i];
|
|
|
|
|
|
// move
|
|
VectorMA (pmove.origin, frametime, pmove.velocity, pmove.origin);
|
|
}
|
|
|
|
/*
|
|
=============
|
|
PlayerMove
|
|
|
|
Returns with origin, angles, and velocity modified in place.
|
|
|
|
Numtouch and touchindex[] will be set if any of the physents
|
|
were contacted during the move.
|
|
=============
|
|
*/
|
|
void PlayerMove (void)
|
|
{
|
|
frametime = pmove.cmd.msec * 0.001;
|
|
pmove.numtouch = 0;
|
|
|
|
AngleVectors (pmove.angles, forward, right, up);
|
|
|
|
if (pmove.spectator)
|
|
{
|
|
SpectatorMove ();
|
|
return;
|
|
}
|
|
|
|
NudgePosition ();
|
|
|
|
// take angles directly from command
|
|
VectorCopy (pmove.cmd.angles, pmove.angles);
|
|
|
|
// set onground, watertype, and waterlevel
|
|
PM_CategorizePosition ();
|
|
|
|
if (waterlevel == 2)
|
|
CheckWaterJump ();
|
|
|
|
if (pmove.velocity[2] < 0)
|
|
pmove.waterjumptime = 0;
|
|
|
|
if (pmove.cmd.buttons & BUTTON_JUMP)
|
|
JumpButton ();
|
|
else
|
|
pmove.oldbuttons &= ~BUTTON_JUMP;
|
|
|
|
PM_Friction ();
|
|
|
|
if (waterlevel >= 2)
|
|
PM_WaterMove ();
|
|
else if (pmove.flying)
|
|
PM_FlymodeMove ();
|
|
else
|
|
PM_AirMove ();
|
|
|
|
// set onground, watertype, and waterlevel for final spot
|
|
PM_CategorizePosition ();
|
|
}
|
|
|