//-----------------------------------------------------------------------------
// Purpose: Target doesn't exist or has eluded us, so search for one
//-----------------------------------------------------------------------------
void CNPC_Portal_FloorTurret::SearchThink( void )
{
//Allow descended classes a chance to do something before the think function
if ( PreThink( TURRET_SEARCHING ) )
return;
SetNextThink( gpGlobals->curtime + 0.05f );
SetActivity( (Activity) ACT_FLOOR_TURRET_OPEN_IDLE );
//If our enemy has died, pick a new enemy
if ( ( GetEnemy() != NULL ) && ( GetEnemy()->IsAlive() == false ) )
{
SetEnemy( NULL );
}
//Acquire the target
if ( GetEnemy() == NULL )
{
HackFindEnemy();
}
LaserOn();
CBaseEntity *pEnemy = GetEnemy();
//If we've found a target, spin up the barrel and start to attack
if ( pEnemy != NULL )
{
//Get our shot positions
Vector vecMid = EyePosition();
Vector vecMidEnemy = pEnemy->BodyTarget( vecMid );
//Look for our current enemy
bool bEnemyInFOV = FInViewCone( pEnemy );
bool bEnemyVisible = FVisible( pEnemy );
//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;
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;
}
}
// Give enemies that are farther away a longer grace period
float fDistanceRatio = m_flDistToEnemy / PORTAL_FLOOR_TURRET_RANGE;
m_flShotTime = gpGlobals->curtime + fDistanceRatio * fDistanceRatio * PORTAL_FLOOR_TURRET_MAX_SHOT_DELAY;
m_flLastSight = 0;
SetThink( &CNPC_FloorTurret::ActiveThink );
SetEyeState( TURRET_EYE_SEE_TARGET );
SpinUp();
if ( gpGlobals->curtime > m_flNextActivateSoundTime )
{
EmitSound( "NPC_FloorTurret.Activate" );
m_flNextActivateSoundTime = gpGlobals->curtime + 3.0;
}
return;
}
//Are we out of time and need to retract?
if ( gpGlobals->curtime > m_flLastSight )
{
//Before we retrace, make sure that we are spun down.
m_flLastSight = 0;
SetThink( &CNPC_FloorTurret::Retire );
return;
}
//Display that we're scanning
m_vecGoalAngles.x = GetAbsAngles().x + ( sin( ( m_flLastSight + gpGlobals->curtime * m_fSearchSpeed ) * 1.5f ) * 20.0f );
m_vecGoalAngles.y = GetAbsAngles().y + ( sin( ( m_flLastSight + gpGlobals->curtime * m_fSearchSpeed ) * 2.5f ) * 20.0f );
//Turn and ping
UpdateFacing();
Ping();
// Update rope positions
for ( int iRope = 0; iRope < PORTAL_FLOOR_TURRET_NUM_ROPES; ++iRope )
{
if ( m_hRopes[ iRope ] )
{
m_hRopes[ iRope ]->EndpointsChanged();
}
}
}
float CWeaponPortalgun::FirePortal( bool bPortal2, Vector *pVector /*= 0*/, bool bTest /*= false*/ )
{
bool bPlayer = false;
Vector vEye;
Vector vDirection;
Vector vTracerOrigin;
CBaseEntity *pOwner = GetOwner();
if ( pOwner && pOwner->IsPlayer() )
{
bPlayer = true;
}
if( bPlayer )
{
CPortal_Player *pPlayer = (CPortal_Player *)pOwner;
if ( !bTest && pPlayer )
{
pPlayer->DoAnimationEvent( PLAYERANIMEVENT_ATTACK_PRIMARY, 0 );
}
Vector forward, right, up;
AngleVectors( pPlayer->EyeAngles(), &forward, &right, &up );
pPlayer->EyeVectors( &vDirection, NULL, NULL );
vEye = pPlayer->EyePosition();
// Check if the players eye is behind the portal they're in and translate it
VMatrix matThisToLinked;
CProp_Portal *pPlayerPortal = pPlayer->m_hPortalEnvironment;
if ( pPlayerPortal )
{
Vector ptPortalCenter;
Vector vPortalForward;
ptPortalCenter = pPlayerPortal->GetAbsOrigin();
pPlayerPortal->GetVectors( &vPortalForward, NULL, NULL );
Vector vEyeToPortalCenter = ptPortalCenter - vEye;
float fPortalDist = vPortalForward.Dot( vEyeToPortalCenter );
if( fPortalDist > 0.0f )
{
// Eye is behind the portal
matThisToLinked = pPlayerPortal->MatrixThisToLinked();
}
else
{
pPlayerPortal = NULL;
}
}
if ( pPlayerPortal )
{
UTIL_Portal_VectorTransform( matThisToLinked, forward, forward );
UTIL_Portal_VectorTransform( matThisToLinked, right, right );
UTIL_Portal_VectorTransform( matThisToLinked, up, up );
UTIL_Portal_VectorTransform( matThisToLinked, vDirection, vDirection );
UTIL_Portal_PointTransform( matThisToLinked, vEye, vEye );
if ( pVector )
{
UTIL_Portal_VectorTransform( matThisToLinked, *pVector, *pVector );
}
}
vTracerOrigin = vEye
+ forward * 30.0f
+ right * 4.0f
+ up * (-5.0f);
}
else
{
// This portalgun is not held by the player-- Fire using the muzzle attachment
Vector vecShootOrigin;
QAngle angShootDir;
GetAttachment( LookupAttachment( "muzzle" ), vecShootOrigin, angShootDir );
vEye = vecShootOrigin;
vTracerOrigin = vecShootOrigin;
AngleVectors( angShootDir, &vDirection, NULL, NULL );
}
if ( !bTest )
{
SendWeaponAnim( ACT_VM_PRIMARYATTACK );
}
if ( pVector )
{
vDirection = *pVector;
}
Vector vTraceStart = vEye + (vDirection * m_fMinRange1);
Vector vFinalPosition;
QAngle qFinalAngles;
PortalPlacedByType ePlacedBy = ( bPlayer ) ? ( PORTAL_PLACED_BY_PLAYER ) : ( PORTAL_PLACED_BY_PEDESTAL );
trace_t tr;
float fPlacementSuccess = TraceFirePortal( bPortal2, vTraceStart, vDirection, tr, vFinalPosition, qFinalAngles, ePlacedBy, bTest );
if ( sv_portal_placement_never_fail.GetBool() )
{
fPlacementSuccess = 1.0f;
}
if ( !bTest )
{
CProp_Portal *pPortal = CProp_Portal::FindPortal( m_iPortalLinkageGroupID, bPortal2, true );
// If it was a failure, put the effect at exactly where the player shot instead of where the portal bumped to
if ( fPlacementSuccess < 0.5f )
vFinalPosition = tr.endpos;
pPortal->PlacePortal( vFinalPosition, qFinalAngles, fPlacementSuccess, true );
float fDelay = vTracerOrigin.DistTo( tr.endpos ) / ( ( bPlayer ) ? ( BLAST_SPEED ) : ( BLAST_SPEED_NON_PLAYER ) );
QAngle qFireAngles;
VectorAngles( vDirection, qFireAngles );
DoEffectBlast( pPortal->m_bIsPortal2, ePlacedBy, vTracerOrigin, vFinalPosition, qFireAngles, fDelay );
pPortal->SetContextThink( &CProp_Portal::DelayedPlacementThink, gpGlobals->curtime + fDelay, s_pDelayedPlacementContext );
pPortal->m_vDelayedPosition = vFinalPosition;
pPortal->m_hPlacedBy = this;
}
return fPlacementSuccess;
}
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();
}
