//=========================================================
// DeltaIdealYaw - returns the difference ( in degrees ) between
// npc's current yaw and ideal_yaw
//
// Positive result is left turn, negative is right turn
//=========================================================
float CAI_Motor::DeltaIdealYaw ( void )
{
float flCurrentYaw;
flCurrentYaw = UTIL_AngleMod( GetLocalAngles().y );
if ( flCurrentYaw == GetIdealYaw() )
{
return 0;
}
return UTIL_AngleDiff( GetIdealYaw(), flCurrentYaw );
}
//-----------------------------------------------------------------------------
// Purpose: Turns a npc towards its ideal yaw.
// Input : yawSpeed - Yaw speed in degrees per 1/10th of a second.
// flInterval - Time interval to turn, -1 uses time since last think.
// Output : Returns the number of degrees turned.
//-----------------------------------------------------------------------------
void CAI_Motor::UpdateYaw( int yawSpeed )
{
// Don't do this if our yaw is locked
if ( IsYawLocked() )
return;
GetOuter()->SetUpdatedYaw();
float ideal, current, newYaw;
if ( yawSpeed == -1 )
yawSpeed = GetYawSpeed();
// NOTE: GetIdealYaw() will never exactly be reached because UTIL_AngleMod
// also truncates the angle to 16 bits of resolution. So lets truncate it here.
current = UTIL_AngleMod( GetLocalAngles().y );
ideal = UTIL_AngleMod( GetIdealYaw() );
// FIXME: this needs a proper interval
float dt = MIN( 0.2, gpGlobals->curtime - GetLastThink() );
newYaw = AI_ClampYaw( (float)yawSpeed * 10.0, current, ideal, dt );
if (newYaw != current)
{
QAngle angles = GetLocalAngles();
angles.y = newYaw;
SetLocalAngles( angles );
}
}
void CASW_Simple_Alien::UpdateYaw(float delta)
{
// don't allow turning in the air
if (!m_bOnGround)
return;
float current = UTIL_AngleMod( GetLocalAngles().y );
float ideal = UTIL_AngleMod( GetIdealYaw() );
float dt = MIN( 0.2, delta );
float newYaw = ASW_ClampYaw( GetYawSpeed(), current, ideal, dt );
if (newYaw != current)
{
QAngle angles = GetLocalAngles();
angles.y = newYaw;
SetLocalAngles( angles );
}
}
void CAI_Motor::UpdateYaw( int yawSpeed )
{
float ideal, current, newYaw;
if ( yawSpeed = -1 )
yawSpeed = GetYawSpeed();
// NOTE: GetIdealYaw() will never exactly be reached because UTIL_AngleMod
// also truncates the angle to 16 bits of resolution. So lets truncate it here.
current = UTIL_AngleMod( GetLocalAngles().y );
ideal = UTIL_AngleMod( GetIdealYaw() );
newYaw = AI_ClampYaw( (float)yawSpeed * 10.0, current, ideal, gpGlobals->curtime - GetLastThink() );
if (newYaw != current)
{
QAngle angles = GetLocalAngles();
angles.y = newYaw;
SetLocalAngles( angles );
// ENTITY MUST BE RELINKED to recompute absangles
engine->RelinkEntity( GetEdict(), false );
}
}
void CTalkMonster :: StartTask( const Task_t& task )
{
switch ( task.iTask )
{
case TASK_TLK_SPEAK:
// ask question or make statement
FIdleSpeak();
TaskComplete();
break;
case TASK_TLK_RESPOND:
// respond to question
IdleRespond();
TaskComplete();
break;
case TASK_TLK_HELLO:
// greet player
FIdleHello();
TaskComplete();
break;
case TASK_TLK_STARE:
// let the player know I know he's staring at me.
FIdleStare();
TaskComplete();
break;
case TASK_FACE_PLAYER:
case TASK_TLK_LOOK_AT_CLIENT:
case TASK_TLK_CLIENT_STARE:
// track head to the client for a while.
m_flWaitFinished = gpGlobals->time + task.flData;
break;
case TASK_TLK_EYECONTACT:
break;
case TASK_TLK_IDEALYAW:
if (m_hTalkTarget != NULL)
{
SetYawSpeed( 60 );
float yaw = VecToYaw(m_hTalkTarget->GetAbsOrigin() - GetAbsOrigin()) - GetAbsAngles().y;
if (yaw > 180) yaw -= 360;
if (yaw < -180) yaw += 360;
if (yaw < 0)
{
SetIdealYaw( min( yaw + 45, 0.0f ) + GetAbsAngles().y );
}
else
{
SetIdealYaw( max( yaw - 45, 0.0f ) + GetAbsAngles().y );
}
}
TaskComplete();
break;
case TASK_TLK_HEADRESET:
// reset head position after looking at something
m_hTalkTarget = NULL;
TaskComplete();
break;
case TASK_TLK_STOPSHOOTING:
// tell player to stop shooting
PlaySentence( m_szGrp[TLK_NOSHOOT], RANDOM_FLOAT(2.8, 3.2), VOL_NORM, ATTN_NORM );
TaskComplete();
break;
case TASK_CANT_FOLLOW:
StopFollowing( false );
PlaySentence( m_szGrp[TLK_STOP], RANDOM_FLOAT(2, 2.5), VOL_NORM, ATTN_NORM );
TaskComplete();
break;
case TASK_WALK_PATH_FOR_UNITS:
m_movementActivity = ACT_WALK;
break;
case TASK_MOVE_AWAY_PATH:
{
Vector dir = GetAbsAngles();
dir.y = GetIdealYaw() + 180;
Vector move;
UTIL_MakeVectorsPrivate( dir, &move, nullptr, nullptr );
dir = GetAbsOrigin() + move * task.flData;
if ( MoveToLocation( ACT_WALK, 2, dir ) )
{
TaskComplete();
}
else if ( FindCover( GetAbsOrigin(), GetViewOffset(), 0, CoverRadius() ) )
{
// then try for plain ole cover
m_flMoveWaitFinished = gpGlobals->time + 2;
TaskComplete();
}
else
{
// nowhere to go?
TaskFail();
}
}
break;
case TASK_PLAY_SCRIPT:
m_hTalkTarget = NULL;
CBaseMonster::StartTask( task );
break;
default:
CBaseMonster::StartTask( task );
}
}