float CBasePlayer::GetPlayerMaxSpeed()
{
// player max speed is the lower limit of m_flMaxSpeed and sv_maxspeed
float fMaxSpeed = sv_maxspeed.GetFloat();
if ( MaxSpeed() > 0.0f && MaxSpeed() < fMaxSpeed )
fMaxSpeed = MaxSpeed();
return fMaxSpeed;
}
void CPlayerController::Update(const Vector &position, const Vector &velocity, float secondsToArrival, bool onground, IPhysicsObject *ground) {
btVector3 bullTargetPosition, bullMaxVelocity;
ConvertPosToBull(position, bullTargetPosition);
ConvertPosToBull(velocity, bullMaxVelocity);
// If the targets haven't changed, abort.
if (bullMaxVelocity.distance2(m_maxVelocity) < FLT_EPSILON && bullTargetPosition.distance2(m_targetPosition) < FLT_EPSILON) {
return;
}
m_targetPosition = bullTargetPosition;
m_maxVelocity = bullMaxVelocity;
m_enable = true;
// FYI: The onground stuff includes any props we may be standing on as well as the world.
// The ground is valid only if it's significantly heavier than our object ("Rideable physics" > our mass * 2)
m_onground = onground;
if (velocity.LengthSqr() <= 0.001f) {
m_enable = false;
ground = NULL;
} else {
MaxSpeed(velocity);
}
m_secondsToArrival = secondsToArrival;
m_pGround = (CPhysicsObject *)ground;
m_ticksSinceUpdate = 0;
}
void Pellet::Update()
{
if (!HasImpacted())
{
//calculate the steering force
Vector2D DesiredVelocity = Vec2DNormalize(m_vTarget - Pos()) * MaxSpeed();
Vector2D sf = DesiredVelocity - Velocity();
//update the position
Vector2D accel = sf / m_dMass;
m_vVelocity += accel;
//make sure vehicle does not exceed maximum velocity
m_vVelocity.Truncate(m_dMaxSpeed);
//update the position
m_vPosition += m_vVelocity;
TestForImpact();
}
else if (!isVisibleToPlayer())
{
m_bDead = true;
}
}
//------------------------------ Update ---------------------------------------
//-----------------------------------------------------------------------------
void Rocket::Update()
{
if (!m_bImpacted)
{
m_vVelocity = MaxSpeed() * Heading();
//make sure vehicle does not exceed maximum velocity
m_vVelocity.Truncate(m_dMaxSpeed);
//update the position
m_vPosition += m_vVelocity;
TestForImpact();
}
else
{
m_dCurrentBlastRadius += script->GetDouble("Rocket_ExplosionDecayRate");
//when the rendered blast circle becomes equal in size to the blast radius
//the rocket can be removed from the game
if (m_dCurrentBlastRadius > m_dBlastRadius)
{
m_bDead = true;
}
}
}
//------------------------------ Update ---------------------------------------
//-----------------------------------------------------------------------------
void Bolt::Update()
{
if (!m_bImpacted)
{
m_vVelocity = MaxSpeed() * Heading();
//make sure vehicle does not exceed maximum velocity
m_vVelocity.Truncate(m_dMaxSpeed);
//update the position
m_vPosition += m_vVelocity;
//if the projectile has reached the target position or it hits an entity
//or wall it should explode/inflict damage/whatever and then mark itself
//as dead
//test to see if the line segment connecting the bolt's current position
//and previous position intersects with any bots.
Raven_Bot* hit = GetClosestIntersectingBot(m_vPosition - m_vVelocity,
m_vPosition);
//if hit
if (hit)
{
m_bImpacted = true;
m_bDead = true;
//send a message to the bot to let it know it's been hit, and who the
//shot came from
Dispatcher->DispatchMsg(SEND_MSG_IMMEDIATELY,
m_iShooterID,
hit->ID(),
Msg_TakeThatMF,
(void*)&m_iDamageInflicted);
}
//test for impact with a wall
double dist;
if( FindClosestPointOfIntersectionWithWalls(m_vPosition - m_vVelocity,
m_vPosition,
dist,
m_vImpactPoint,
m_pWorld->GetMap()->GetWalls()))
{
m_bDead = true;
m_bImpacted = true;
m_vPosition = m_vImpactPoint;
return;
}
}
}
void CPlayerController::Update( const Vector& position, const Vector& velocity, bool onground, IPhysicsObject *ground )
{
IVP_U_Point targetPositionIVP;
IVP_U_Float_Point targetSpeedIVP;
ConvertPositionToIVP( position, targetPositionIVP );
ConvertPositionToIVP( velocity, targetSpeedIVP );
// if the object hasn't moved, abort
if ( targetSpeedIVP.quad_distance_to( &m_currentSpeed ) < 1e-6 )
{
if ( targetPositionIVP.quad_distance_to( &m_targetPosition ) < 1e-6 )
{
return;
}
}
m_targetPosition = targetPositionIVP;
m_currentSpeed = targetSpeedIVP;
IVP_Real_Object *pivp = m_pObject->GetObject();
IVP_Core *pCore = pivp->get_core();
IVP_Environment *pEnv = pivp->get_environment();
pEnv->get_controller_manager()->ensure_core_in_simulation(pCore);
m_enable = true;
// m_onground makes this object anti-grav
// UNDONE: Re-evaluate this
m_onground = false;//onground;
if ( velocity.LengthSqr() <= 0.1f )
{
// no input velocity, just go where physics takes you.
m_enable = false;
ground = NULL;
}
else
{
MaxSpeed( velocity );
}
}
void C_HL2MP_Player::AvoidPlayers( CUserCmd *pCmd )
{
// This is only used in team play.
if ( !HL2MPRules()->IsTeamplay() )
return;
// Don't test if the player doesn't exist or is dead.
if ( IsAlive() == false )
return;
C_Team *pTeam = ( C_Team * )GetTeam();
if ( !pTeam )
return;
// Up vector.
static Vector vecUp( 0.0f, 0.0f, 1.0f );
Vector vecHL2MPPlayerCenter = GetAbsOrigin();
Vector vecHL2MPPlayerMin = GetPlayerMins();
Vector vecHL2MPPlayerMax = GetPlayerMaxs();
float flZHeight = vecHL2MPPlayerMax.z - vecHL2MPPlayerMin.z;
vecHL2MPPlayerCenter.z += 0.5f * flZHeight;
VectorAdd( vecHL2MPPlayerMin, vecHL2MPPlayerCenter, vecHL2MPPlayerMin );
VectorAdd( vecHL2MPPlayerMax, vecHL2MPPlayerCenter, vecHL2MPPlayerMax );
// Find an intersecting player or object.
int nAvoidPlayerCount = 0;
C_HL2MP_Player *pAvoidPlayerList[MAX_PLAYERS];
C_HL2MP_Player *pIntersectPlayer = NULL;
float flAvoidRadius = 0.0f;
Vector vecAvoidCenter, vecAvoidMin, vecAvoidMax;
for ( int i = 0; i < pTeam->GetNumPlayers(); ++i )
{
C_HL2MP_Player *pAvoidPlayer = static_cast< C_HL2MP_Player * >( pTeam->GetPlayer( i ) );
if ( pAvoidPlayer == NULL )
continue;
// Is the avoid player me?
if ( pAvoidPlayer == this )
continue;
// Save as list to check against for objects.
pAvoidPlayerList[nAvoidPlayerCount] = pAvoidPlayer;
++nAvoidPlayerCount;
// Check to see if the avoid player is dormant.
if ( pAvoidPlayer->IsDormant() )
continue;
// Is the avoid player solid?
if ( pAvoidPlayer->IsSolidFlagSet( FSOLID_NOT_SOLID ) )
continue;
Vector t1, t2;
vecAvoidCenter = pAvoidPlayer->GetAbsOrigin();
vecAvoidMin = pAvoidPlayer->GetPlayerMins();
vecAvoidMax = pAvoidPlayer->GetPlayerMaxs();
flZHeight = vecAvoidMax.z - vecAvoidMin.z;
vecAvoidCenter.z += 0.5f * flZHeight;
VectorAdd( vecAvoidMin, vecAvoidCenter, vecAvoidMin );
VectorAdd( vecAvoidMax, vecAvoidCenter, vecAvoidMax );
if ( IsBoxIntersectingBox( vecHL2MPPlayerMin, vecHL2MPPlayerMax, vecAvoidMin, vecAvoidMax ) )
{
// Need to avoid this player.
if ( !pIntersectPlayer )
{
pIntersectPlayer = pAvoidPlayer;
break;
}
}
}
// Anything to avoid?
if ( !pIntersectPlayer )
return;
// Calculate the push strength and direction.
Vector vecDelta;
// Avoid a player - they have precedence.
if ( pIntersectPlayer )
{
VectorSubtract( pIntersectPlayer->WorldSpaceCenter(), vecHL2MPPlayerCenter, vecDelta );
Vector vRad = pIntersectPlayer->WorldAlignMaxs() - pIntersectPlayer->WorldAlignMins();
vRad.z = 0;
flAvoidRadius = vRad.Length();
}
float flPushStrength = RemapValClamped( vecDelta.Length(), flAvoidRadius, 0, 0, hl2mp_max_separation_force.GetInt() ); //flPushScale;
//Msg( "PushScale = %f\n", flPushStrength );
// Check to see if we have enough push strength to make a difference.
if ( flPushStrength < 0.01f )
return;
Vector vecPush;
if ( GetAbsVelocity().Length2DSqr() > 0.1f )
{
Vector vecVelocity = GetAbsVelocity();
vecVelocity.z = 0.0f;
CrossProduct( vecUp, vecVelocity, vecPush );
VectorNormalize( vecPush );
}
else
{
// We are not moving, but we're still intersecting.
QAngle angView = pCmd->viewangles;
angView.x = 0.0f;
AngleVectors( angView, NULL, &vecPush, NULL );
}
// Move away from the other player/object.
Vector vecSeparationVelocity;
if ( vecDelta.Dot( vecPush ) < 0 )
{
vecSeparationVelocity = vecPush * flPushStrength;
}
else
{
vecSeparationVelocity = vecPush * -flPushStrength;
}
// Don't allow the max push speed to be greater than the max player speed.
float flMaxPlayerSpeed = MaxSpeed();
float flCropFraction = 1.33333333f;
if ( ( GetFlags() & FL_DUCKING ) && ( GetGroundEntity() != NULL ) )
{
flMaxPlayerSpeed *= flCropFraction;
}
float flMaxPlayerSpeedSqr = flMaxPlayerSpeed * flMaxPlayerSpeed;
if ( vecSeparationVelocity.LengthSqr() > flMaxPlayerSpeedSqr )
{
vecSeparationVelocity.NormalizeInPlace();
VectorScale( vecSeparationVelocity, flMaxPlayerSpeed, vecSeparationVelocity );
}
QAngle vAngles = pCmd->viewangles;
vAngles.x = 0;
Vector currentdir;
Vector rightdir;
AngleVectors( vAngles, ¤tdir, &rightdir, NULL );
Vector vDirection = vecSeparationVelocity;
VectorNormalize( vDirection );
float fwd = currentdir.Dot( vDirection );
float rt = rightdir.Dot( vDirection );
float forward = fwd * flPushStrength;
float side = rt * flPushStrength;
//Msg( "fwd: %f - rt: %f - forward: %f - side: %f\n", fwd, rt, forward, side );
pCmd->forwardmove += forward;
pCmd->sidemove += side;
// Clamp the move to within legal limits, preserving direction. This is a little
// complicated because we have different limits for forward, back, and side
//Msg( "PRECLAMP: forwardmove=%f, sidemove=%f\n", pCmd->forwardmove, pCmd->sidemove );
float flForwardScale = 1.0f;
if ( pCmd->forwardmove > fabs( cl_forwardspeed.GetFloat() ) )
{
flForwardScale = fabs( cl_forwardspeed.GetFloat() ) / pCmd->forwardmove;
}
else if ( pCmd->forwardmove < -fabs( cl_backspeed.GetFloat() ) )
{
flForwardScale = fabs( cl_backspeed.GetFloat() ) / fabs( pCmd->forwardmove );
}
float flSideScale = 1.0f;
if ( fabs( pCmd->sidemove ) > fabs( cl_sidespeed.GetFloat() ) )
{
flSideScale = fabs( cl_sidespeed.GetFloat() ) / fabs( pCmd->sidemove );
}
float flScale = min( flForwardScale, flSideScale );
pCmd->forwardmove *= flScale;
pCmd->sidemove *= flScale;
//Msg( "Pforwardmove=%f, sidemove=%f\n", pCmd->forwardmove, pCmd->sidemove );
}
//----------------- CalculateExpectedTimeToReachPosition ----------------------
//
// returns a value indicating the time in seconds it will take the bot
// to reach the given position at its current speed.
//-----------------------------------------------------------------------------
double Raven_Bot::CalculateTimeToReachPosition(Vector2D pos)const
{
return Vec2DDistance(Pos(), pos) / (MaxSpeed() * FrameRate);
}
void CPushable :: Move( CBaseEntity *pOther, int push )
{
entvars_t* pevToucher = pOther->pev;
int playerTouch = 0;
// Is entity standing on this pushable ?
if ( FBitSet(pevToucher->flags,FL_ONGROUND) && pevToucher->groundentity && VARS(pevToucher->groundentity) == pev )
{
// Only push if floating
if ( pev->waterlevel > 0 )
pev->velocity.z += pevToucher->velocity.z * 0.1;
return;
}
if ( pOther->IsPlayer() )
{
if ( push && !(pevToucher->button & (IN_FORWARD|IN_USE)) ) // Don't push unless the player is pushing forward and NOT use (pull)
return;
playerTouch = 1;
}
float factor;
if ( playerTouch )
{
if ( !(pevToucher->flags & FL_ONGROUND) ) // Don't push away from jumping/falling players unless in water
{
if ( pev->waterlevel < 1 )
return;
else
factor = 0.1;
}
else
factor = 1;
}
else
factor = 0.25;
pev->velocity.x += pevToucher->velocity.x * factor;
pev->velocity.y += pevToucher->velocity.y * factor;
float length = sqrt( pev->velocity.x * pev->velocity.x + pev->velocity.y * pev->velocity.y );
if ( push && (length > MaxSpeed()) )
{
pev->velocity.x = (pev->velocity.x * MaxSpeed() / length );
pev->velocity.y = (pev->velocity.y * MaxSpeed() / length );
}
if ( playerTouch )
{
pevToucher->velocity.x = pev->velocity.x;
pevToucher->velocity.y = pev->velocity.y;
if ( (gpGlobals->time - m_soundTime) > 0.7 )
{
m_soundTime = gpGlobals->time;
if ( length > 0 && FBitSet(pev->flags,FL_ONGROUND) )
{
m_lastSound = RANDOM_LONG(0,2);
EMIT_SOUND(ENT(pev), CHAN_WEAPON, m_soundNames[m_lastSound], 0.5, ATTN_NORM);
// SetThink( StopSound );
// pev->nextthink = pev->ltime + 0.1;
}
else
STOP_SOUND( ENT(pev), CHAN_WEAPON, m_soundNames[m_lastSound] );
}
}
}
void CPushable :: Move( CBaseEntity *pOther, int push )
{
entvars_t* pevToucher = pOther->pev;
int playerTouch = 0;
// Is entity standing on this pushable ?
if ( FBitSet(pevToucher->flags,FL_ONGROUND) && pevToucher->groundentity && VARS(pevToucher->groundentity) == pev )
{
// Only push if floating
if ( pev->waterlevel > 0 && pev->watertype > CONTENT_FLYFIELD)
pev->velocity.z += pevToucher->velocity.z * 0.1;
return;
}
if ( pOther->IsPlayer() )
{
if ( push && !(pevToucher->button & (IN_FORWARD|IN_USE)) ) // Don't push unless the player is pushing forward and NOT use (pull)
return;
playerTouch = 1;
}
float factor;
if ( playerTouch )
{
if ( !(pevToucher->flags & FL_ONGROUND) ) // Don't push away from jumping/falling players unless in water
{
if ( pev->waterlevel < 1 || pev->watertype <= CONTENT_FLYFIELD)
return;
else
factor = 0.1;
}
else
factor = 1;
}
else
factor = 0.25;
if (!push)
factor = factor*0.5;
Vector oldVelocity = pev->velocity; //LRC 1.8
pev->velocity.x += pevToucher->velocity.x * factor;
pev->velocity.y += pevToucher->velocity.y * factor;
float length = sqrt( pev->velocity.x * pev->velocity.x + pev->velocity.y * pev->velocity.y );
if ( push && (length > MaxSpeed()) )
{
pev->velocity.x = (pev->velocity.x * MaxSpeed() / length );
pev->velocity.y = (pev->velocity.y * MaxSpeed() / length );
}
if ( playerTouch )
{
//LRC 1.8
if ( pev->spawnflags & SF_PUSH_NOSUPERPUSH )
{
// don't accelerate the pushable to be faster than the person pushing it
float playerSpeed = pevToucher->velocity.Length2D();
Vector playerPushDir = pevToucher->velocity/playerSpeed;
playerPushDir.z = 0;
float newdot = DotProduct( playerPushDir, pev->velocity ); // how fast we're going with respect to the playerPushDir
float olddot = DotProduct( playerPushDir, oldVelocity ); // how fast we used to be going
if ( /*olddot <= playerSpeed+0.1f &&*/ newdot > playerSpeed )
{
// if it wasn't going too fast before, and now it is, adjust to the pusher's actual velocity
pev->velocity.x -= playerPushDir.x * newdot;
pev->velocity.y -= playerPushDir.y * newdot;
pev->velocity.x += pevToucher->velocity.x;
pev->velocity.y += pevToucher->velocity.y;
}
}
pevToucher->velocity.x = pev->velocity.x;
pevToucher->velocity.y = pev->velocity.y;
if ( (gpGlobals->time - m_soundTime) > 0.7 )
{
m_soundTime = gpGlobals->time;
if ( length > 0 && FBitSet(pev->flags,FL_ONGROUND) )
{
m_lastSound = RANDOM_LONG(0,2);
EMIT_SOUND(ENT(pev), CHAN_WEAPON, m_soundNames[m_lastSound], 0.5, ATTN_NORM);
// SetThink( StopSound );
// SetNextThink( 0.1 );
}
else
STOP_SOUND( ENT(pev), CHAN_WEAPON, m_soundNames[m_lastSound] );
}
}
}
