/*
===================
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_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;
trace_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_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 (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);
}
}
}
}
/*
PM_GroundMove
Player is on ground, with no upwards velocity
*/
void
PM_GroundMove (void)
{
vec3_t start, dest;
trace_t trace;
vec3_t original, originalvel, down, up, downvel;
float downdist, updist;
pmove.velocity[2] = 0;
if (VectorIsNull(pmove.velocity))
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
}
/*
* Can be called by either the server or the client
*/
void Pmove (pmove_t *pmove)
{
#if !defined(DEDICATED_ONLY) && defined(USE_OPENAL)
static int underwater;
#endif
pm = pmove;
/* clear results */
pm->numtouch = 0;
VectorClear (pm->viewangles);
pm->viewheight = 0;
pm->groundentity = 0;
pm->watertype = 0;
pm->waterlevel = 0;
/* clear all pmove local vars */
memset (&pml, 0, sizeof(pml));
/* convert origin and velocity to float values */
pml.origin[0] = pm->s.origin[0]*0.125f;
pml.origin[1] = pm->s.origin[1]*0.125f;
pml.origin[2] = pm->s.origin[2]*0.125f;
pml.velocity[0] = pm->s.velocity[0]*0.125f;
pml.velocity[1] = pm->s.velocity[1]*0.125f;
pml.velocity[2] = pm->s.velocity[2]*0.125f;
/* save old org in case we get stuck */
VectorCopy (pm->s.origin, pml.previous_origin);
pml.frametime = pm->cmd.msec * 0.001f;
PM_ClampAngles ();
if (pm->s.pm_type == PM_SPECTATOR)
{
PM_FlyMove (false);
PM_SnapPosition ();
return;
}
if (pm->s.pm_type >= PM_DEAD)
{
pm->cmd.forwardmove = 0;
pm->cmd.sidemove = 0;
pm->cmd.upmove = 0;
}
if (pm->s.pm_type == PM_FREEZE)
return; /* no movement at all */
/* set mins, maxs, and viewheight */
PM_CheckDuck ();
if (pm->snapinitial)
PM_InitialSnapPosition ();
/* set groundentity, watertype, and waterlevel */
PM_CatagorizePosition ();
if (pm->s.pm_type == PM_DEAD)
PM_DeadMove ();
PM_CheckSpecialMovement ();
/* drop timing counter */
if (pm->s.pm_time)
{
int msec;
msec = pm->cmd.msec >> 3;
if (!msec)
msec = 1;
if ( msec >= pm->s.pm_time)
{
pm->s.pm_flags &= ~(PMF_TIME_WATERJUMP | PMF_TIME_LAND | PMF_TIME_TELEPORT);
pm->s.pm_time = 0;
}
else
pm->s.pm_time -= msec;
}
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 );
}
/*
===================
PM_AirMove
===================
*/
void PM_AirMove (void)
{
int i;
vec3_t wishvel;
float fmove, smove;
vec3_t wishdir;
float wishspeed;
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
{ // not on ground, so little effect on velocity
PM_AirAccelerate (wishdir, wishspeed, movevars.accelerate);
// add gravity
pmove.velocity[2] -= movevars.entgravity * movevars.gravity * frametime;
PM_FlyMove ();
}
//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]);
}
/*
================
Pmove
Can be called by either the server or the client
================
*/
void Pmove (pmove_t *pmove)
{
pm = pmove;
// clear results
pm->numtouch = 0;
VectorClear (pm->viewangles);
pm->viewheight = 0;
pm->groundentity = 0;
pm->watertype = 0;
pm->waterlevel = 0;
// clear all pmove local vars
memset (&pml, 0, sizeof(pml));
// convert origin and velocity to float values
pml.origin[0] = pm->s.origin[0]*0.125;
pml.origin[1] = pm->s.origin[1]*0.125;
pml.origin[2] = pm->s.origin[2]*0.125;
pml.velocity[0] = pm->s.velocity[0]*0.125;
pml.velocity[1] = pm->s.velocity[1]*0.125;
pml.velocity[2] = pm->s.velocity[2]*0.125;
// save old org in case we get stuck
VectorCopy (pm->s.origin, pml.previous_origin);
pml.frametime = pm->cmd.msec * 0.001;
PM_ClampAngles ();
if (pm->s.pm_type == PM_SPECTATOR)
{
PM_FlyMove (false);
PM_SnapPosition ();
return;
}
if (pm->s.pm_type >= PM_DEAD)
{
pm->cmd.forwardmove = 0;
pm->cmd.sidemove = 0;
pm->cmd.upmove = 0;
}
if (pm->s.pm_type == PM_FREEZE)
return; // no movement at all
// set mins, maxs, and viewheight
PM_CheckDuck ();
if (pm->snapinitial)
PM_InitialSnapPosition ();
// set groundentity, watertype, and waterlevel
PM_CatagorizePosition ();
if (pm->s.pm_type == PM_DEAD)
PM_DeadMove ();
PM_CheckSpecialMovement ();
// drop timing counter
if (pm->s.pm_time)
{
int msec;
msec = pm->cmd.msec >> 3;
if (!msec)
msec = 1;
if ( msec >= pm->s.pm_time)
{
// pm->s.pm_flags &= ~(PMF_TIME_WATERJUMP | PMF_TIME_LAND | PMF_TIME_TELEPORT);
// pm->s.pm_time = 0;
byte_write(&pm->s.pm_time, 0);
byte_write(&pm->s.pm_flags,
pm->s.pm_flags & ~(PMF_TIME_WATERJUMP | PMF_TIME_LAND | PMF_TIME_TELEPORT));
}
else
pm->s.pm_time -= msec;
}
