Activity CAI_StandoffBehavior::GetCoverActivity()
{
CAI_Hint *pHintNode = GetHintNode();
if ( pHintNode && pHintNode->HintType() == HINT_TACTICAL_COVER_LOW )
return GetOuter()->GetCoverActivity( pHintNode );
return ACT_INVALID;
}
//-----------------------------------------------------------------------------
// Purpose: Checks the validity of the given route's goaltype
// Input :
// Output :
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::ValidateNavGoal()
{
if (GetNavigator()->GetGoalType() == GOALTYPE_COVER)
{
// Check if this location will block my enemy's line of sight to me
if (GetEnemy())
{
Activity nCoverActivity = GetCoverActivity( GetHintNode() );
Vector vCoverLocation = GetNavigator()->GetGoalPos();
// For now we have to drop the node to the floor so we can
// get an accurate postion of the NPC. Should change once Ken checks in
float floorZ = GetFloorZ(vCoverLocation);
vCoverLocation.z = floorZ;
Vector vEyePos = vCoverLocation + EyeOffset(nCoverActivity);
if (!IsCoverPosition( GetEnemy()->EyePosition(), vEyePos ) )
{
//Msg("BADUGI\n");
TaskFail(FAIL_BAD_PATH_GOAL);
return false;
}
}
}
//Msg("BADUGI\n");
return true;
}
Hint_e CAI_StandoffBehavior::GetHintType()
{
CAI_Hint *pHintNode = GetHintNode();
if ( pHintNode )
return pHintNode->HintType();
return HINT_NONE;
}
void CAI_StandoffBehavior::UnlockHintNode()
{
CAI_Hint *pHintNode = GetHintNode();
if ( pHintNode )
{
if ( pHintNode->IsLocked() && pHintNode->IsLockedBy( GetOuter() ) )
pHintNode->Unlock();
CAI_Node *pNode = pHintNode->GetNode();
if ( pNode && pNode->IsLocked() )
pNode->Unlock();
ClearHintNode();
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : pTask -
//-----------------------------------------------------------------------------
void CNPC_Crow::StartTask( const Task_t *pTask )
{
switch ( pTask->iTask )
{
//
// This task enables us to build a path that requires flight.
//
// case TASK_CROW_PREPARE_TO_FLY:
// {
// SetFlyingState( FlyState_Flying );
// TaskComplete();
// break;
// }
case TASK_CROW_TAKEOFF:
{
if ( random->RandomInt( 1, 4 ) == 1 )
{
AlertSound();
}
FlapSound();
SetIdealActivity( ( Activity )ACT_CROW_TAKEOFF );
break;
}
case TASK_CROW_PICK_EVADE_GOAL:
{
if ( GetEnemy() != NULL )
{
//
// Get our enemy's position in x/y.
//
Vector vecEnemyOrigin = GetEnemy()->GetAbsOrigin();
vecEnemyOrigin.z = GetAbsOrigin().z;
//
// Pick a hop goal a random distance along a vector away from our enemy.
//
m_vSavePosition = GetAbsOrigin() - vecEnemyOrigin;
VectorNormalize( m_vSavePosition );
m_vSavePosition = GetAbsOrigin() + m_vSavePosition * ( 32 + random->RandomInt( 0, 32 ) );
GetMotor()->SetIdealYawToTarget( m_vSavePosition );
TaskComplete();
}
else
{
TaskFail( "No enemy" );
}
break;
}
case TASK_CROW_FALL_TO_GROUND:
{
SetFlyingState( FlyState_Falling );
break;
}
case TASK_FIND_HINTNODE:
{
if ( GetGoalEnt() )
{
TaskComplete();
return;
}
// Overloaded because we search over a greater distance.
if ( !GetHintNode() )
{
SetHintNode(CAI_HintManager::FindHint( this, HINT_CROW_FLYTO_POINT, bits_HINT_NODE_NEAREST | bits_HINT_NODE_USE_GROUP, 10000 ));
}
if ( GetHintNode() )
{
TaskComplete();
}
else
{
TaskFail( FAIL_NO_HINT_NODE );
}
break;
}
case TASK_GET_PATH_TO_HINTNODE:
{
//How did this happen?!
if ( GetGoalEnt() == this )
{
SetGoalEnt( NULL );
}
if ( GetGoalEnt() )
{
SetFlyingState( FlyState_Flying );
StartTargetHandling( GetGoalEnt() );
m_bReachedMoveGoal = false;
TaskComplete();
SetHintNode( NULL );
return;
}
if ( GetHintNode() )
{
Vector vHintPos;
GetHintNode()->GetPosition(this, &vHintPos);
SetNavType( NAV_FLY );
CapabilitiesAdd( bits_CAP_MOVE_FLY );
if ( !GetNavigator()->SetGoal( vHintPos ) )
SetHintNode(NULL);
CapabilitiesRemove( bits_CAP_MOVE_FLY );
}
if ( GetHintNode() )
{
m_bReachedMoveGoal = false;
TaskComplete();
}
else
{
TaskFail( FAIL_NO_ROUTE );
}
break;
}
//
// We have failed to fly normally. Pick a random "up" direction and fly that way.
//
case TASK_CROW_FLY:
{
float flYaw = UTIL_AngleMod( random->RandomInt( -180, 180 ) );
Vector vecNewVelocity( cos( DEG2RAD( flYaw ) ), sin( DEG2RAD( flYaw ) ), random->RandomFloat( 0.1f, 0.5f ) );
vecNewVelocity *= CROW_AIRSPEED;
SetAbsVelocity( vecNewVelocity );
SetIdealActivity( ACT_FLY );
m_bSoar = false;
m_flSoarTime = gpGlobals->curtime + random->RandomFloat( 2, 5 );
break;
}
case TASK_CROW_PICK_RANDOM_GOAL:
{
m_vSavePosition = GetLocalOrigin() + Vector( random->RandomFloat( -48.0f, 48.0f ), random->RandomFloat( -48.0f, 48.0f ), 0 );
TaskComplete();
break;
}
case TASK_CROW_HOP:
{
SetIdealActivity( ACT_HOP );
m_flHopStartZ = GetLocalOrigin().z;
break;
}
case TASK_CROW_WAIT_FOR_BARNACLE_KILL:
{
break;
}
default:
{
BaseClass::StartTask( pTask );
}
}
}
//-----------------------------------------------------------------------------
// Purpose: Handles all flight movement.
// Input : flInterval - Seconds to simulate.
//-----------------------------------------------------------------------------
void CNPC_Crow::MoveCrowFly( float flInterval )
{
//
// Bound interval so we don't get ludicrous motion when debugging
// or when framerate drops catastrophically.
//
if (flInterval > 1.0)
{
flInterval = 1.0;
}
m_flDangerSoundTime = gpGlobals->curtime + 5.0f;
//
// Determine the goal of our movement.
//
Vector vecMoveGoal = GetAbsOrigin();
if ( GetNavigator()->IsGoalActive() )
{
vecMoveGoal = GetNavigator()->GetCurWaypointPos();
if ( GetNavigator()->CurWaypointIsGoal() == false )
{
AI_ProgressFlyPathParams_t params( MASK_NPCSOLID );
params.bTrySimplify = false;
GetNavigator()->ProgressFlyPath( params ); // ignore result, crow handles completion directly
// Fly towards the hint.
if ( GetNavigator()->GetPath()->GetCurWaypoint() )
{
vecMoveGoal = GetNavigator()->GetCurWaypointPos();
}
}
}
else
{
// No movement goal.
vecMoveGoal = GetAbsOrigin();
SetAbsVelocity( vec3_origin );
return;
}
Vector vecMoveDir = ( vecMoveGoal - GetAbsOrigin() );
Vector vForward;
AngleVectors( GetAbsAngles(), &vForward );
//
// Fly towards the movement goal.
//
float flDistance = ( vecMoveGoal - GetAbsOrigin() ).Length();
if ( vecMoveGoal != m_vDesiredTarget )
{
m_vDesiredTarget = vecMoveGoal;
}
else
{
m_vCurrentTarget = ( m_vDesiredTarget - GetAbsOrigin() );
VectorNormalize( m_vCurrentTarget );
}
float flLerpMod = 0.25f;
if ( flDistance <= 256.0f )
{
flLerpMod = 1.0f - ( flDistance / 256.0f );
}
VectorLerp( vForward, m_vCurrentTarget, flLerpMod, vForward );
if ( flDistance < CROW_AIRSPEED * flInterval )
{
if ( GetNavigator()->IsGoalActive() )
{
if ( GetNavigator()->CurWaypointIsGoal() )
{
m_bReachedMoveGoal = true;
}
else
{
GetNavigator()->AdvancePath();
}
}
else
m_bReachedMoveGoal = true;
}
if ( GetHintNode() )
{
AIMoveTrace_t moveTrace;
GetMoveProbe()->MoveLimit( NAV_FLY, GetAbsOrigin(), GetNavigator()->GetCurWaypointPos(), MASK_NPCSOLID, GetNavTargetEntity(), &moveTrace );
//See if it succeeded
if ( IsMoveBlocked( moveTrace.fStatus ) )
{
Vector vNodePos = vecMoveGoal;
GetHintNode()->GetPosition(this, &vNodePos);
GetNavigator()->SetGoal( vNodePos );
}
}
//
// Look to see if we are going to hit anything.
//
VectorNormalize( vForward );
Vector vecDeflect;
if ( Probe( vForward, CROW_AIRSPEED * flInterval, vecDeflect ) )
{
vForward = vecDeflect;
VectorNormalize( vForward );
}
SetAbsVelocity( vForward * CROW_AIRSPEED );
if ( GetAbsVelocity().Length() > 0 && GetNavigator()->CurWaypointIsGoal() && flDistance < CROW_AIRSPEED )
{
SetIdealActivity( (Activity)ACT_CROW_LAND );
}
//Bank and set angles.
Vector vRight;
QAngle vRollAngle;
VectorAngles( vForward, vRollAngle );
vRollAngle.z = 0;
AngleVectors( vRollAngle, NULL, &vRight, NULL );
float flRoll = DotProduct( vRight, vecMoveDir ) * 45;
flRoll = clamp( flRoll, -45, 45 );
vRollAngle[ROLL] = flRoll;
SetAbsAngles( vRollAngle );
}
void CAI_StandoffBehavior::SetReuseCurrentCover()
{
CAI_Hint *pHintNode = GetHintNode();
if ( pHintNode && pHintNode->GetNode() && pHintNode->GetNode()->IsLocked() )
pHintNode->GetNode()->Unlock();
}
