int CWeaponCrowbar::WeaponMeleeAttack1Condition( float flDot, float flDist )
{
// Attempt to lead the target (needed because citizens can't hit manhacks with the crowbar!)
CAI_BaseNPC *pNPC = GetOwner()->MyNPCPointer();
CBaseEntity *pEnemy = pNPC->GetEnemy();
if (!pEnemy)
return COND_NONE;
Vector vecVelocity;
vecVelocity = pEnemy->GetSmoothedVelocity( );
// Project where the enemy will be in a little while
float dt = sk_crowbar_lead_time.GetFloat();
dt += random->RandomFloat( -0.3f, 0.2f );
if ( dt < 0.0f )
dt = 0.0f;
Vector vecExtrapolatedPos;
VectorMA( pEnemy->WorldSpaceCenter(), dt, vecVelocity, vecExtrapolatedPos );
Vector vecDelta;
VectorSubtract( vecExtrapolatedPos, pNPC->WorldSpaceCenter(), vecDelta );
if ( fabs( vecDelta.z ) > 70 )
{
return COND_TOO_FAR_TO_ATTACK;
}
Vector vecForward = pNPC->BodyDirection2D( );
vecDelta.z = 0.0f;
float flExtrapolatedDist = Vector2DNormalize( vecDelta.AsVector2D() );
if ((flDist > 64) && (flExtrapolatedDist > 64))
{
return COND_TOO_FAR_TO_ATTACK;
}
float flExtrapolatedDot = DotProduct2D( vecDelta.AsVector2D(), vecForward.AsVector2D() );
if ((flDot < 0.7) && (flExtrapolatedDot < 0.7))
{
return COND_NOT_FACING_ATTACK;
}
return COND_CAN_MELEE_ATTACK1;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_LeadBehavior::GatherConditions( void )
{
BaseClass::GatherConditions();
if ( HasGoal() )
{
// Fix for bad transition case (to investigate)
if ( ( WorldSpaceCenter() - m_goal ).LengthSqr() > (64*64) && IsCurSchedule( SCHED_LEAD_AWAIT_SUCCESS, false) )
{
GetOuter()->ClearSchedule( "Lead behavior - bad transition?" );
}
// We have to collect data about the person we're leading around.
CBaseEntity *pFollower = AI_GetSinglePlayer();
if( pFollower )
{
ClearCondition( COND_LEAD_FOLLOWER_VERY_CLOSE );
ClearCondition( COND_LEAD_FOLLOWER_MOVING_TOWARDS_ME );
// Check distance to the follower
float flFollowerDist = ( WorldSpaceCenter() - pFollower->WorldSpaceCenter() ).Length();
bool bLagging = flFollowerDist > (m_leaddistance*4);
if ( bLagging )
{
if ( PlayerIsAheadOfMe() )
{
bLagging = false;
}
}
// Player heading towards me?
// Only factor this in if you're not too far from them
if ( flFollowerDist < (m_leaddistance*4) )
{
Vector vecVelocity = pFollower->GetSmoothedVelocity();
if ( VectorNormalize(vecVelocity) > 50 )
{
Vector vecToPlayer = (GetAbsOrigin() - pFollower->GetAbsOrigin());
VectorNormalize( vecToPlayer );
if ( DotProduct( vecVelocity, vecToPlayer ) > 0.5 )
{
SetCondition( COND_LEAD_FOLLOWER_MOVING_TOWARDS_ME );
bLagging = false;
}
}
}
// If he's outside our lag range, consider him lagging
if ( bLagging )
{
SetCondition( COND_LEAD_FOLLOWER_LAGGING );
ClearCondition( COND_LEAD_FOLLOWER_NOT_LAGGING );
}
else
{
ClearCondition( COND_LEAD_FOLLOWER_LAGGING );
SetCondition( COND_LEAD_FOLLOWER_NOT_LAGGING );
// If he's really close, note that
if ( flFollowerDist < m_leaddistance )
{
SetCondition( COND_LEAD_FOLLOWER_VERY_CLOSE );
}
}
// To be considered not lagging, the follower must be visible, and within the lead distance
if ( GetOuter()->FVisible( pFollower ) && GetOuter()->GetSenses()->ShouldSeeEntity( pFollower ) )
{
SetCondition( COND_LEAD_HAVE_FOLLOWER_LOS );
m_LostLOSTimer.Stop();
}
else
{
ClearCondition( COND_LEAD_HAVE_FOLLOWER_LOS );
// We don't have a LOS. But if we did have LOS, don't clear it until the timer is up.
if ( m_LostLOSTimer.IsRunning() )
{
if ( m_LostLOSTimer.Expired() )
{
SetCondition( COND_LEAD_FOLLOWER_LAGGING );
ClearCondition( COND_LEAD_FOLLOWER_NOT_LAGGING );
}
}
else
{
m_LostLOSTimer.Start();
}
}
// Now we want to see if the follower is lost. Being lost means being (far away || out of LOS )
// && some time has passed. Also, lagging players are considered lost if the NPC's never delivered
// the start speech, because it means the NPC should run to the player to start the lead.
if( HasCondition( COND_LEAD_FOLLOWER_LAGGING ) )
{
if ( !m_hasspokenstart )
{
SetCondition( COND_LEAD_FOLLOWER_LOST );
}
else
{
if ( m_args.bStopScenesWhenPlayerLost )
{
// Try and stop me speaking my monolog, if I am
if ( !m_hasPausedScenes && IsRunningScriptedScene( GetOuter() ) )
{
//Msg("Stopping scenes.\n");
PauseActorsScriptedScenes( GetOuter(), false );
m_hasPausedScenes = true;
}
}
if( m_LostTimer.IsRunning() )
{
if( m_LostTimer.Expired() )
{
SetCondition( COND_LEAD_FOLLOWER_LOST );
}
}
else
{
m_LostTimer.Start();
}
}
}
else
{
// If I was speaking a monolog, resume it
if ( m_args.bStopScenesWhenPlayerLost && m_hasPausedScenes )
{
if ( IsRunningScriptedScene( GetOuter() ) )
{
//Msg("Resuming scenes.\n");
ResumeActorsScriptedScenes( GetOuter(), false );
}
m_hasPausedScenes = false;
}
m_LostTimer.Stop();
ClearCondition( COND_LEAD_FOLLOWER_LOST );
}
// Evaluate for success
// Success right now means being stationary, close to the goal, and having the player close by
if ( !( m_args.flags & AILF_NO_DEF_SUCCESS ) )
{
ClearCondition( COND_LEAD_SUCCESS );
// Check Z first, and only check 2d if we're within that
bool bWithinZ = fabs(GetLocalOrigin().z - m_goal.z) < 64;
if ( bWithinZ && (GetLocalOrigin() - m_goal).Length2D() <= 64 )
{
if ( HasCondition( COND_LEAD_FOLLOWER_VERY_CLOSE ) )
{
SetCondition( COND_LEAD_SUCCESS );
}
else if ( m_successdistance )
{
float flDistSqr = (pFollower->GetAbsOrigin() - GetLocalOrigin()).Length2DSqr();
if ( flDistSqr < (m_successdistance*m_successdistance) )
{
SetCondition( COND_LEAD_SUCCESS );
}
}
}
}
if ( m_MoveMonitor.IsMarkSet() && m_MoveMonitor.TargetMoved( pFollower ) )
SetCondition( COND_LEAD_FOLLOWER_MOVED_FROM_MARK );
else
ClearCondition( COND_LEAD_FOLLOWER_MOVED_FROM_MARK );
}
}
if( m_args.bLeadDuringCombat )
{
ClearCondition( COND_LIGHT_DAMAGE );
ClearCondition( COND_HEAVY_DAMAGE );
}
}
