/*
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 ();
}
/*
===================
PM_WalkMove
===================
*/
static void PM_WalkMove( void ) {
int i;
vec3_t wishvel;
float fmove, smove;
vec3_t wishdir;
float wishspeed;
float scale;
usercmd_t cmd;
float accelerate;
float vel;
if ( pm->waterlevel > 2 && DotProduct( pml.forward, pml.groundTrace.plane.normal ) > 0 ) {
// begin swimming
PM_WaterMove();
return;
}
if ( PM_CheckJump () ) {
// jumped away
if ( pm->waterlevel > 1 ) {
PM_WaterMove();
} else {
PM_AirMove();
}
return;
}
PM_Friction ();
fmove = pm->cmd.forwardmove;
smove = pm->cmd.rightmove;
cmd = pm->cmd;
scale = PM_CmdScale( &cmd );
// set the movementDir so clients can rotate the legs for strafing
PM_SetMovementDir();
// project moves down to flat plane
pml.forward[2] = 0;
pml.right[2] = 0;
// project the forward and right directions onto the ground plane
PM_ClipVelocity (pml.forward, pml.groundTrace.plane.normal, pml.forward, OVERCLIP );
PM_ClipVelocity (pml.right, pml.groundTrace.plane.normal, pml.right, OVERCLIP );
//
VectorNormalize (pml.forward);
VectorNormalize (pml.right);
for ( i = 0 ; i < 3 ; i++ ) {
wishvel[i] = pml.forward[i]*fmove + pml.right[i]*smove;
}
// when going up or down slopes the wish velocity should Not be zero
// wishvel[2] = 0;
VectorCopy (wishvel, wishdir);
wishspeed = VectorNormalize(wishdir);
wishspeed *= scale;
// clamp the speed lower if ducking
if ( pm->ps->pm_flags & PMF_DUCKED ) {
if ( wishspeed > pm->ps->speed * pm_duckScale ) {
wishspeed = pm->ps->speed * pm_duckScale;
}
}
// clamp the speed lower if wading or walking on the bottom
if ( pm->waterlevel ) {
float waterScale;
waterScale = pm->waterlevel / 3.0;
waterScale = 1.0 - ( 1.0 - pm_swimScale ) * waterScale;
if ( wishspeed > pm->ps->speed * waterScale ) {
wishspeed = pm->ps->speed * waterScale;
}
}
// when a player gets hit, they temporarily lose
// full control, which allows them to be moved a bit
if ( ( pml.groundTrace.surfaceFlags & SURF_SLICK ) || pm->ps->pm_flags & PMF_TIME_KNOCKBACK ) {
accelerate = pm_airaccelerate;
} else {
accelerate = pm_accelerate;
}
PM_Accelerate (wishdir, wishspeed, accelerate);
//Com_Printf("velocity = %1.1f %1.1f %1.1f\n", pm->ps->velocity[0], pm->ps->velocity[1], pm->ps->velocity[2]);
//Com_Printf("velocity1 = %1.1f\n", VectorLength(pm->ps->velocity));
if ( ( pml.groundTrace.surfaceFlags & SURF_SLICK ) || pm->ps->pm_flags & PMF_TIME_KNOCKBACK ) {
pm->ps->velocity[2] -= pm->ps->gravity * pml.frametime;
} else {
// don't reset the z velocity for slopes
// pm->ps->velocity[2] = 0;
}
vel = VectorLength(pm->ps->velocity);
// slide along the ground plane
PM_ClipVelocity (pm->ps->velocity, pml.groundTrace.plane.normal,
pm->ps->velocity, OVERCLIP );
// don't decrease velocity when going up or down a slope
VectorNormalize(pm->ps->velocity);
VectorScale(pm->ps->velocity, vel, pm->ps->velocity);
// don't do anything if standing still
if (!pm->ps->velocity[0] && !pm->ps->velocity[1]) {
return;
}
PM_StepSlideMove( qfalse );
//Com_Printf("velocity2 = %1.1f\n", VectorLength(pm->ps->velocity));
}
void PmoveSingle (pmove_t *pmove) {
pm = pmove;
// this counter lets us debug movement problems with a journal
// by setting a conditional breakpoint fot the previous frame
c_pmove++;
// clear results
pm->numtouch = 0;
pm->watertype = 0;
pm->waterlevel = 0;
if ( pm->ps->stats[STAT_HEALTH] <= 0 ) {
pm->tracemask &= ~CONTENTS_BODY; // corpses can fly through bodies
}
// make sure walking button is clear if they are running, to avoid
// proxy no-footsteps cheats
if ( abs( pm->cmd.forwardmove ) > 64 || abs( pm->cmd.rightmove ) > 64 ) {
pm->cmd.buttons &= ~BUTTON_WALKING;
}
// set the talk balloon flag
if ( pm->cmd.buttons & BUTTON_TALK ) {
pm->ps->eFlags |= EF_TALK;
} else {
pm->ps->eFlags &= ~EF_TALK;
}
// set the firing flag for continuous beam weapons
if ( !(pm->ps->pm_flags & PMF_RESPAWNED) && pm->ps->pm_type != PM_INTERMISSION && pm->ps->pm_type != PM_NOCLIP
&& ( pm->cmd.buttons & BUTTON_ATTACK ) && pm->ps->ammo[ pm->ps->weapon ] ) {
pm->ps->eFlags |= EF_FIRING;
} else {
pm->ps->eFlags &= ~EF_FIRING;
}
// clear the respawned flag if attack and use are cleared
if ( pm->ps->stats[STAT_HEALTH] > 0 &&
!( pm->cmd.buttons & (BUTTON_ATTACK | BUTTON_USE_HOLDABLE) ) ) {
pm->ps->pm_flags &= ~PMF_RESPAWNED;
}
// if talk button is down, dissallow all other input
// this is to prevent any possible intercept proxy from
// adding fake talk balloons
if ( pmove->cmd.buttons & BUTTON_TALK ) {
// keep the talk button set tho for when the cmd.serverTime > 66 msec
// and the same cmd is used multiple times in Pmove
pmove->cmd.buttons = BUTTON_TALK;
pmove->cmd.forwardmove = 0;
pmove->cmd.rightmove = 0;
pmove->cmd.upmove = 0;
}
// clear all pmove local vars
memset (&pml, 0, sizeof(pml));
// determine the time
pml.msec = pmove->cmd.serverTime - pm->ps->commandTime;
if ( pml.msec < 1 ) {
pml.msec = 1;
} else if ( pml.msec > 200 ) {
pml.msec = 200;
}
pm->ps->commandTime = pmove->cmd.serverTime;
// save old org in case we get stuck
VectorCopy (pm->ps->origin, pml.previous_origin);
// save old velocity for crashlanding
VectorCopy (pm->ps->velocity, pml.previous_velocity);
pml.frametime = pml.msec * 0.001;
// update the viewangles
PM_UpdateViewAngles( pm->ps, &pm->cmd );
AngleVectors (pm->ps->viewangles, pml.forward, pml.right, pml.up);
if ( pm->cmd.upmove < 10 ) {
// not holding jump
pm->ps->pm_flags &= ~PMF_JUMP_HELD;
}
// decide if backpedaling animations should be used
if ( pm->cmd.forwardmove < 0 ) {
pm->ps->pm_flags |= PMF_BACKWARDS_RUN;
} else if ( pm->cmd.forwardmove > 0 || ( pm->cmd.forwardmove == 0 && pm->cmd.rightmove ) ) {
pm->ps->pm_flags &= ~PMF_BACKWARDS_RUN;
}
if ( pm->ps->pm_type >= PM_DEAD ) {
pm->cmd.forwardmove = 0;
pm->cmd.rightmove = 0;
pm->cmd.upmove = 0;
}
if ( pm->ps->pm_type == PM_SPECTATOR ) {
PM_CheckDuck ();
PM_FlyMove ();
PM_DropTimers ();
return;
}
if ( pm->ps->pm_type == PM_NOCLIP ) {
PM_NoclipMove ();
PM_DropTimers ();
return;
}
if (pm->ps->pm_type == PM_FREEZE) {
return; // no movement at all
}
if ( pm->ps->pm_type == PM_INTERMISSION || pm->ps->pm_type == PM_SPINTERMISSION) {
return; // no movement at all
}
// set watertype, and waterlevel
PM_SetWaterLevel();
pml.previous_waterlevel = pmove->waterlevel;
// set mins, maxs, and viewheight
PM_CheckDuck ();
// set groundentity
PM_GroundTrace();
if ( pm->ps->pm_type == PM_DEAD ) {
PM_DeadMove ();
}
PM_DropTimers();
#ifdef MISSIONPACK
if ( pm->ps->powerups[PW_INVULNERABILITY] ) {
PM_InvulnerabilityMove();
} else
#endif
if ( pm->ps->powerups[PW_FLIGHT] ) {
// flight powerup doesn't allow jump and has different friction
PM_FlyMove();
} else if (pm->ps->pm_flags & PMF_GRAPPLE_PULL) {
PM_GrappleMove();
// We can wiggle a bit
PM_AirMove();
} else if (pm->ps->pm_flags & PMF_TIME_WATERJUMP) {
PM_WaterJumpMove();
} else if ( pm->waterlevel > 1 ) {
// swimming
PM_WaterMove();
} else if ( pml.walking ) {
// walking on ground
PM_WalkMove();
} else {
// airborne
PM_AirMove();
}
PM_Animate();
// set groundentity, watertype, and waterlevel
PM_GroundTrace();
PM_SetWaterLevel();
// weapons
PM_Weapon();
// torso animation
PM_TorsoAnimation();
// footstep events / legs animations
PM_Footsteps();
// entering / leaving water splashes
PM_WaterEvents();
// snap some parts of playerstate to save network bandwidth
trap_SnapVector( pm->ps->velocity );
}
