//-----------------------------------------------------------------------------
// Purpose: Think function for reversing directions. Spins down to zero, then
// starts spinning up to the target speed.
//-----------------------------------------------------------------------------
void CFuncRotating::ReverseMove( void )
{
if ( SpinDown( 0 ) )
{
// We've reached zero - spin back up to the target speed.
SetTargetSpeed( m_flTargetSpeed );
}
else
{
SetMoveDoneTime( GetNextMoveInterval() );
}
}
//-----------------------------------------------------------------------------
// Purpose: Think function. Decelerates a func_rotating to a lower angular velocity.
//-----------------------------------------------------------------------------
void CFuncRotating::SpinDownMove( void )
{
//
// If we've met or exceeded target speed, stop spinning down.
//
if ( SpinDown( m_flTargetSpeed ) )
{
SetMoveDone( &CFuncRotating::RotateMove );
RotateMove();
}
else
{
SetMoveDoneTime( GetNextMoveInterval() );
}
}
//
// SpinDown - decelerates a moving func_rotating to a standstill.
//
void CFuncRotating :: SpinDown( void )
{
// If we've met or exceeded target speed, stop spinning down.
if( SpinDown( m_flTargetSpeed ))
{
if( m_iState != STATE_OFF )
{
SetMoveDone( Rotate );
Rotate();
}
}
else
{
SetMoveDoneTime( GetNextMoveInterval() );
}
}
void CNPC_Portal_FloorTurret::ActiveThink( void )
{
LaserOn();
//Allow descended classes a chance to do something before the think function
if ( PreThink( TURRET_ACTIVE ) )
return;
HackFindEnemy();
//Update our think time
SetNextThink( gpGlobals->curtime + 0.1f );
CBaseEntity *pEnemy = GetEnemy();
//If we've become inactive, go back to searching
if ( ( m_bActive == false ) || ( pEnemy == NULL ) )
{
SetEnemy( NULL );
m_flLastSight = gpGlobals->curtime + FLOOR_TURRET_MAX_WAIT;
SetThink( &CNPC_FloorTurret::SearchThink );
m_vecGoalAngles = GetAbsAngles();
return;
}
//Get our shot positions
Vector vecMid = EyePosition();
Vector vecMidEnemy = pEnemy->BodyTarget( vecMid );
// Store off our last seen location so we can suppress it later
m_vecEnemyLKP = vecMidEnemy;
//Look for our current enemy
bool bEnemyInFOV = FInViewCone( pEnemy );
bool bEnemyVisible = FVisible( pEnemy ) && pEnemy->IsAlive();
//Calculate dir and dist to enemy
Vector vecDirToEnemy = vecMidEnemy - vecMid;
m_flDistToEnemy = VectorNormalize( vecDirToEnemy );
// If the enemy isn't in the normal fov, check the fov through portals
CProp_Portal *pPortal = NULL;
if ( pEnemy->IsAlive() )
{
pPortal = FInViewConeThroughPortal( pEnemy );
if ( pPortal && FVisibleThroughPortal( pPortal, pEnemy ) )
{
// Translate our target across the portal
Vector vecMidEnemyTransformed;
UTIL_Portal_PointTransform( pPortal->m_hLinkedPortal->MatrixThisToLinked(), vecMidEnemy, vecMidEnemyTransformed );
//Calculate dir and dist to enemy
Vector vecDirToEnemyTransformed = vecMidEnemyTransformed - vecMid;
float flDistToEnemyTransformed = VectorNormalize( vecDirToEnemyTransformed );
// If it's not visible through normal means or the enemy is closer through the portal, use the translated info
if ( !bEnemyInFOV || !bEnemyVisible || flDistToEnemyTransformed < m_flDistToEnemy )
{
bEnemyInFOV = true;
bEnemyVisible = true;
vecMidEnemy = vecMidEnemyTransformed;
vecDirToEnemy = vecDirToEnemyTransformed;
m_flDistToEnemy = flDistToEnemyTransformed;
}
else
{
pPortal = NULL;
}
}
else
{
pPortal = NULL;
}
}
//Draw debug info
if ( g_debug_turret.GetBool() )
{
NDebugOverlay::Cross3D( vecMid, -Vector(2,2,2), Vector(2,2,2), 0, 255, 0, false, 0.05 );
NDebugOverlay::Cross3D( GetEnemy()->WorldSpaceCenter(), -Vector(2,2,2), Vector(2,2,2), 0, 255, 0, false, 0.05 );
NDebugOverlay::Line( vecMid, GetEnemy()->WorldSpaceCenter(), 0, 255, 0, false, 0.05 );
NDebugOverlay::Cross3D( vecMid, -Vector(2,2,2), Vector(2,2,2), 0, 255, 0, false, 0.05 );
NDebugOverlay::Cross3D( vecMidEnemy, -Vector(2,2,2), Vector(2,2,2), 0, 255, 0, false, 0.05 );
NDebugOverlay::Line( vecMid, vecMidEnemy, 0, 255, 0, false, 0.05f );
}
//See if they're past our FOV of attack
if ( bEnemyInFOV == false )
{
// Should we look for a new target?
ClearEnemyMemory();
SetEnemy( NULL );
if ( m_spawnflags & SF_FLOOR_TURRET_FASTRETIRE )
{
// Retire quickly in this case. (The case where we saw the player, but he hid again).
m_flLastSight = gpGlobals->curtime + FLOOR_TURRET_SHORT_WAIT;
}
else
{
m_flLastSight = gpGlobals->curtime + FLOOR_TURRET_MAX_WAIT;
}
SetThink( &CNPC_FloorTurret::SearchThink );
m_vecGoalAngles = GetAbsAngles();
SpinDown();
return;
}
//Current enemy is not visible
if ( ( bEnemyVisible == false ) || ( m_flDistToEnemy > PORTAL_FLOOR_TURRET_RANGE ))
{
m_flLastSight = gpGlobals->curtime + 2.0f;
ClearEnemyMemory();
SetEnemy( NULL );
SetThink( &CNPC_FloorTurret::SuppressThink );
return;
}
if ( g_debug_turret.GetBool() )
{
Vector vecMuzzle, vecMuzzleDir;
UpdateMuzzleMatrix();
MatrixGetColumn( m_muzzleToWorld, 0, vecMuzzleDir );
MatrixGetColumn( m_muzzleToWorld, 3, vecMuzzle );
// Visualize vertical firing ranges
for ( int i = 0; i < 4; i++ )
{
QAngle angMaxDownPitch = GetAbsAngles();
switch( i )
{
case 0: angMaxDownPitch.x -= 15; break;
case 1: angMaxDownPitch.x += 15; break;
case 2: angMaxDownPitch.x -= 25; break;
case 3: angMaxDownPitch.x += 25; break;
default:
break;
}
Vector vecMaxDownPitch;
AngleVectors( angMaxDownPitch, &vecMaxDownPitch );
NDebugOverlay::Line( vecMuzzle, vecMuzzle + (vecMaxDownPitch*256), 255, 255, 255, false, 0.1 );
}
}
if ( m_flShotTime < gpGlobals->curtime )
{
Vector vecMuzzle, vecMuzzleDir;
UpdateMuzzleMatrix();
MatrixGetColumn( m_muzzleToWorld, 0, vecMuzzleDir );
MatrixGetColumn( m_muzzleToWorld, 3, vecMuzzle );
Vector2D vecDirToEnemy2D = vecDirToEnemy.AsVector2D();
Vector2D vecMuzzleDir2D = vecMuzzleDir.AsVector2D();
bool bCanShoot = true;
float minCos3d = DOT_10DEGREE; // 10 degrees slop
if ( m_flDistToEnemy < 60.0 )
{
vecDirToEnemy2D.NormalizeInPlace();
vecMuzzleDir2D.NormalizeInPlace();
bCanShoot = ( vecDirToEnemy2D.Dot(vecMuzzleDir2D) >= DOT_10DEGREE );
minCos3d = 0.7071; // 45 degrees
}
//Fire the gun
if ( bCanShoot ) // 10 degree slop XY
{
float dot3d = DotProduct( vecDirToEnemy, vecMuzzleDir );
if( m_bOutOfAmmo )
{
DryFire();
}
else
{
if ( dot3d >= minCos3d )
{
SetActivity( (Activity) ACT_FLOOR_TURRET_OPEN_IDLE );
SetActivity( (Activity)( ( m_bShootWithBottomBarrels ) ? ( ACT_FLOOR_TURRET_FIRE2 ) : ( ACT_FLOOR_TURRET_FIRE ) ) );
//Fire the weapon
#if !DISABLE_SHOT
Shoot( vecMuzzle, vecMuzzleDir, (dot3d < DOT_10DEGREE) );
#endif
}
}
}
}
else
{
SetActivity( (Activity) ACT_FLOOR_TURRET_OPEN_IDLE );
}
//If we can see our enemy, face it
if ( bEnemyVisible )
{
//We want to look at the enemy's eyes so we don't jitter
Vector vEnemyWorldSpaceCenter = pEnemy->WorldSpaceCenter();
if ( pPortal && pPortal->IsActivedAndLinked() )
{
// Translate our target across the portal
UTIL_Portal_PointTransform( pPortal->m_hLinkedPortal->MatrixThisToLinked(), vEnemyWorldSpaceCenter, vEnemyWorldSpaceCenter );
}
Vector vecDirToEnemyEyes = vEnemyWorldSpaceCenter - vecMid;
VectorNormalize( vecDirToEnemyEyes );
QAngle vecAnglesToEnemy;
VectorAngles( vecDirToEnemyEyes, vecAnglesToEnemy );
m_vecGoalAngles.y = vecAnglesToEnemy.y;
m_vecGoalAngles.x = vecAnglesToEnemy.x;
}
//Turn to face
UpdateFacing();
}
//-----------------------------------------------------------------------------
// Purpose: The turret has been tipped over and will thrash for awhile
//-----------------------------------------------------------------------------
void CNPC_Portal_FloorTurret::TippedThink( void )
{
PreThink( TURRET_TIPPED );
SetNextThink( gpGlobals->curtime + 0.05f );
SetEnemy( NULL );
StudioFrameAdvance();
// If we're not on side anymore, stop thrashing
if ( !OnSide() && VPhysicsGetObject()->GetContactPoint( NULL, NULL ) )
{
ReturnToLife();
return;
}
LaserOn();
RopesOn();
//See if we should continue to thrash
if ( gpGlobals->curtime < m_flThrashTime && !IsDissolving() )
{
if ( m_flShotTime < gpGlobals->curtime )
{
if( m_bOutOfAmmo )
{
SetActivity( (Activity) ACT_FLOOR_TURRET_OPEN_IDLE );
DryFire();
}
else
{
Vector vecMuzzle, vecMuzzleDir;
GetAttachment( m_iMuzzleAttachment, vecMuzzle, &vecMuzzleDir );
SetActivity( (Activity) ACT_FLOOR_TURRET_OPEN_IDLE );
SetActivity( (Activity)( ( m_bShootWithBottomBarrels ) ? ( ACT_FLOOR_TURRET_FIRE2 ) : ( ACT_FLOOR_TURRET_FIRE ) ) );
#if !DISABLE_SHOT
Shoot( vecMuzzle, vecMuzzleDir );
#endif
}
m_flShotTime = gpGlobals->curtime + 0.05f;
}
m_vecGoalAngles.x = GetAbsAngles().x + random->RandomFloat( -60, 60 );
m_vecGoalAngles.y = GetAbsAngles().y + random->RandomFloat( -60, 60 );
UpdateFacing();
}
else
{
//Face forward
m_vecGoalAngles = GetAbsAngles();
//Set ourselves to close
if ( GetActivity() != ACT_FLOOR_TURRET_CLOSE )
{
SetActivity( (Activity) ACT_FLOOR_TURRET_OPEN_IDLE );
//If we're done moving to our desired facing, close up
if ( UpdateFacing() == false )
{
//Make any last death noises and anims
EmitSound( "NPC_FloorTurret.Die" );
EmitSound( GetTurretTalkName( PORTAL_TURRET_DISABLED ) );
SpinDown();
SetActivity( (Activity) ACT_FLOOR_TURRET_CLOSE );
EmitSound( "NPC_FloorTurret.Retract" );
CTakeDamageInfo info;
info.SetDamage( 1 );
info.SetDamageType( DMG_CRUSH );
Event_Killed( info );
}
}
else if ( IsActivityFinished() )
{
m_bActive = false;
m_flLastSight = 0;
SetActivity( (Activity) ACT_FLOOR_TURRET_CLOSED_IDLE );
// Don't need to store last NPC anymore, because I've been knocked over
if ( m_hLastNPCToKickMe )
{
m_hLastNPCToKickMe = NULL;
m_flKnockOverFailedTime = 0;
}
//Try to look straight
if ( UpdateFacing() == false )
{
m_OnTipped.FireOutput( this, this );
SetEyeState( TURRET_EYE_DEAD );
//SetCollisionGroup( COLLISION_GROUP_DEBRIS_TRIGGER );
// Start thinking slowly to see if we're ever set upright somehow
SetThink( &CNPC_FloorTurret::InactiveThink );
SetNextThink( gpGlobals->curtime + 1.0f );
RopesOff();
}
}
}
}
//-----------------------------------------------------------------------------
// Purpose: Allows the turret to fire on targets if they're visible
//-----------------------------------------------------------------------------
void CNPC_CeilingTurret::ActiveThink( void )
{
//Allow descended classes a chance to do something before the think function
if ( PreThink( TURRET_ACTIVE ) )
return;
//Update our think time
SetNextThink( gpGlobals->curtime + 0.1f );
//If we've become inactive, go back to searching
if ( ( m_bActive == false ) || ( GetEnemy() == NULL ) )
{
SetEnemy( NULL );
SetLastSightTime();
SetThink( &CNPC_CeilingTurret::SearchThink );
m_vecGoalAngles = GetAbsAngles();
return;
}
//Get our shot positions
Vector vecMid = EyePosition();
Vector vecMidEnemy = GetEnemy()->GetAbsOrigin();
//Store off our last seen location
UpdateEnemyMemory( GetEnemy(), vecMidEnemy );
//Look for our current enemy
bool bEnemyVisible = FInViewCone( GetEnemy() ) && FVisible( GetEnemy() ) && GetEnemy()->IsAlive();
//Calculate dir and dist to enemy
Vector vecDirToEnemy = vecMidEnemy - vecMid;
float flDistToEnemy = VectorNormalize( vecDirToEnemy );
//We want to look at the enemy's eyes so we don't jitter
Vector vecDirToEnemyEyes = GetEnemy()->WorldSpaceCenter() - vecMid;
VectorNormalize( vecDirToEnemyEyes );
QAngle vecAnglesToEnemy;
VectorAngles( vecDirToEnemyEyes, vecAnglesToEnemy );
//Draw debug info
if ( g_debug_turret_ceiling.GetBool() )
{
NDebugOverlay::Cross3D( vecMid, -Vector(2,2,2), Vector(2,2,2), 0, 255, 0, false, 0.05 );
NDebugOverlay::Cross3D( GetEnemy()->WorldSpaceCenter(), -Vector(2,2,2), Vector(2,2,2), 0, 255, 0, false, 0.05 );
NDebugOverlay::Line( vecMid, GetEnemy()->WorldSpaceCenter(), 0, 255, 0, false, 0.05 );
NDebugOverlay::Cross3D( vecMid, -Vector(2,2,2), Vector(2,2,2), 0, 255, 0, false, 0.05 );
NDebugOverlay::Cross3D( vecMidEnemy, -Vector(2,2,2), Vector(2,2,2), 0, 255, 0, false, 0.05 );
NDebugOverlay::Line( vecMid, vecMidEnemy, 0, 255, 0, false, 0.05f );
}
//Current enemy is not visible
if ( ( bEnemyVisible == false ) || ( flDistToEnemy > CEILING_TURRET_RANGE ))
{
if ( m_flLastSight )
{
m_flLastSight = gpGlobals->curtime + 0.5f;
}
else if ( gpGlobals->curtime > m_flLastSight )
{
// Should we look for a new target?
ClearEnemyMemory();
SetEnemy( NULL );
SetLastSightTime();
SetThink( &CNPC_CeilingTurret::SearchThink );
m_vecGoalAngles = GetAbsAngles();
SpinDown();
return;
}
bEnemyVisible = false;
}
Vector vecMuzzle, vecMuzzleDir;
QAngle vecMuzzleAng;
GetAttachment( "eyes", vecMuzzle, vecMuzzleAng );
AngleVectors( vecMuzzleAng, &vecMuzzleDir );
if ( m_flShotTime < gpGlobals->curtime )
{
//Fire the gun
if ( DotProduct( vecDirToEnemy, vecMuzzleDir ) >= 0.9848 ) // 10 degree slop
{
if ( m_spawnflags & SF_CEILING_TURRET_OUT_OF_AMMO )
{
SetActivity( (Activity) ACT_CEILING_TURRET_DRYFIRE );
}
else
{
SetActivity( (Activity) ACT_CEILING_TURRET_FIRE );
}
//Fire the weapon
Shoot( vecMuzzle, vecMuzzleDir );
}
}
else
{
SetActivity( (Activity) ACT_CEILING_TURRET_OPEN_IDLE );
}
//If we can see our enemy, face it
if ( bEnemyVisible )
{
m_vecGoalAngles.y = vecAnglesToEnemy.y;
m_vecGoalAngles.x = vecAnglesToEnemy.x;
}
//Turn to face
UpdateFacing();
}
