// drops us down from the specified position, to the floor
bool CASW_Simple_Alien::ApplyGravity(Vector &vecSrc, float deltatime)
{
// decide if we're on the ground or not
Ray_t ray;
trace_t trace;
CTraceFilterSimple traceFilter(this, GetCollisionGroup() );
ray.Init( vecSrc, vecSrc - Vector(0,0,2), GetHullMins(), GetHullMaxs() );
enginetrace->TraceRay( ray, MASK_NPCSOLID, &traceFilter, &trace );
m_bOnGround = (trace.fraction < 1.0f);
// if we're on the ground, just drop us down as much as we can
if (m_bOnGround)
{
Vector vecGravityTarget = vecSrc;
vecGravityTarget.z -= sv_gravity.GetFloat() * deltatime;
// do a trace to the floor
Ray_t ray;
trace_t trace;
CTraceFilterSimple traceFilter(this, GetCollisionGroup() );
ray.Init( vecSrc, vecGravityTarget, GetHullMins(), GetHullMaxs() );
enginetrace->TraceRay( ray, MASK_NPCSOLID, &traceFilter, &trace );
if (trace.fraction > 0 && fabs(trace.endpos.z - vecSrc.z) > 1) // if we moved up/down
{
vecSrc = trace.endpos;
return true;
}
m_fFallSpeed = 0; // clear fall speed if we can't fall any further
return false;
}
// we're falling, so apply the fall speed and increase the fall speed over time
m_fFallSpeed -= sv_gravity.GetFloat() * 1.5f * deltatime;
Vector vecGravityTarget = vecSrc;
vecGravityTarget.z += m_fFallSpeed * deltatime;
// do a trace to the floor
Ray_t ray2;
trace_t trace2;
CTraceFilterSimple traceFilter2(this, GetCollisionGroup() );
ray2.Init( vecSrc, vecGravityTarget, GetHullMins(), GetHullMaxs() );
enginetrace->TraceRay( ray2, MASK_NPCSOLID, &traceFilter2, &trace2 );
if (trace2.fraction > 0 && fabs(trace2.endpos.z - vecSrc.z) > 1) // if we moved up/down
{
vecSrc = trace2.endpos;
return true;
}
m_fFallSpeed = 0; // clear fall speed if we can't fall any further
return false;
}
// make this alien jump off the head of the ent he's standing on
bool CASW_Alien_Jumper::DoJumpOffHead()
{
//Too soon to try to jump
if ( m_flJumpTime > gpGlobals->curtime )
return false;
if (!(GetGroundEntity()) || GetNavType() == NAV_JUMP )
return false;
// force this drone to have jumping capabilities
m_bDisableJump = false;
CapabilitiesAdd( bits_CAP_MOVE_JUMP );
//Vector vecDest = RandomVector(-1, 1);
//vecDest.z = 0;
//vecDest *= random->RandomFloat(30, 100);
Vector vecDest;
AngleVectors(GetAbsAngles(), &vecDest);
vecDest *= 200.0f;
vecDest += GetAbsOrigin();
// Try the jump
AIMoveTrace_t moveTrace;
GetMoveProbe()->MoveLimit( NAV_JUMP, GetAbsOrigin(), vecDest, MASK_NPCSOLID, NULL, &moveTrace );
//See if it succeeded
if ( IsMoveBlocked( moveTrace.fStatus ) )
{
if ( asw_debug_aliens.GetInt() == 2 )
{
NDebugOverlay::Box( vecDest, GetHullMins(), GetHullMaxs(), 255, 0, 0, 0, 5 );
NDebugOverlay::Line( GetAbsOrigin(), vecDest, 255, 0, 0, 0, 5 );
}
m_flJumpTime = gpGlobals->curtime + random->RandomFloat( 1.0f, 2.0f );
return false;
}
if ( asw_debug_aliens.GetInt() == 2 )
{
NDebugOverlay::Box( vecDest, GetHullMins(), GetHullMaxs(), 0, 255, 0, 0, 5 );
NDebugOverlay::Line( GetAbsOrigin(), vecDest, 0, 255, 0, 0, 5 );
}
//Save this jump in case the next time fails
m_vecSavedJump = moveTrace.vJumpVelocity;
m_vecLastJumpAttempt = vecDest;
SetSchedule(SCHED_ASW_ALIEN_JUMP);
m_bForcedStuckJump = true;
return true;
}
void CNPC_SO_BaseZombie::ForceMove( const Vector &targetPos, const Vector &traceDir, bool bRun )
{
// Make sure our zombie gets the message (sometimes it is stubborn)
// This bit should force our zombie to listen to us
SetEnemy( NULL );
SetSchedule( SCHED_ZOMBIE_AMBUSH_MODE );
Vector chasePosition = targetPos;
Vector vUpBit = chasePosition;
vUpBit.z += 1;
trace_t tr;
AI_TraceHull( chasePosition, vUpBit, GetHullMins(), GetHullMaxs(), MASK_NPCSOLID, this, COLLISION_GROUP_NONE, &tr );
m_vecLastPosition = chasePosition;
if ( m_hCine != NULL )
ExitScriptedSequence();
SetCondition( COND_RECEIVED_ORDERS );
if ( bRun )
SetSchedule( SCHED_FORCED_GO_RUN );
else
SetSchedule( SCHED_FORCED_GO );
m_flMoveWaitFinished = gpGlobals->curtime;
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : flDot -
// flDist -
// Output : int CNPC_Assassin::RangeAttack1Conditions
//-----------------------------------------------------------------------------
int CNPC_Assassin::RangeAttack2Conditions ( float flDot, float flDist )
{
if ( m_flNextLungeTime > gpGlobals->curtime )
return 0;
float lungeRange = GetSequenceMoveDist( SelectWeightedSequence( (Activity) ACT_ASSASSIN_FLIP_FORWARD ) );
if ( flDist < lungeRange * 0.25f )
return COND_TOO_CLOSE_TO_ATTACK;
if ( flDist > lungeRange * 1.5f )
return COND_TOO_FAR_TO_ATTACK;
if ( flDot < 0.75f )
return COND_NOT_FACING_ATTACK;
if ( GetEnemy() == NULL )
return 0;
// Check for a clear path
trace_t tr;
UTIL_TraceHull( GetAbsOrigin(), GetEnemy()->GetAbsOrigin(), GetHullMins(), GetHullMaxs(), MASK_NPCSOLID, this, COLLISION_GROUP_NONE, &tr );
if ( tr.fraction == 1.0f || tr.m_pEnt == GetEnemy() )
return COND_CAN_RANGE_ATTACK2;
return 0;
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *pTargetEnt -
// vecDir -
// flDistance -
// flInterval -
//-----------------------------------------------------------------------------
void CNPC_Ichthyosaur::MoveFlyExecute( CBaseEntity *pTargetEnt, const Vector &vecDir, float flDistance, float flInterval )
{
IchthyosaurMoveType_t eMoveType = ( GetNavigator()->CurWaypointIsGoal() ) ? ICH_MOVETYPE_ARRIVE : ICH_MOVETYPE_SEEK;
m_flGroundSpeed = GetGroundSpeed();
Vector moveGoal = GetNavigator()->GetCurWaypointPos();
//See if we can move directly to our goal
if ( ( GetEnemy() != NULL ) && ( GetNavigator()->GetGoalTarget() == (CBaseEntity *) GetEnemy() ) )
{
trace_t tr;
Vector goalPos = GetEnemy()->GetAbsOrigin() + ( GetEnemy()->GetSmoothedVelocity() * 0.5f );
AI_TraceHull( GetAbsOrigin(), goalPos, GetHullMins(), GetHullMaxs(), MASK_NPCSOLID, GetEnemy(), COLLISION_GROUP_NONE, &tr );
if ( tr.fraction == 1.0f )
{
moveGoal = tr.endpos;
}
}
//Move
DoMovement( flInterval, moveGoal, eMoveType );
//Save the info from that run
m_vecLastMoveTarget = moveGoal;
m_bHasMoveTarget = true;
}
bool CASW_Alien_Jumper::DoJumpTo(Vector &vecDest)
{
//Too soon to try to jump
if ( m_flJumpTime > gpGlobals->curtime )
return false;
// only jump if you're on the ground
if (!(GetFlags() & FL_ONGROUND) || GetNavType() == NAV_JUMP )
return false;
// Don't jump if I'm not allowed
if ( ( CapabilitiesGet() & bits_CAP_MOVE_JUMP ) == false )
return false;
// Try the jump
AIMoveTrace_t moveTrace;
GetMoveProbe()->MoveLimit( NAV_JUMP, GetAbsOrigin(), vecDest, MASK_NPCSOLID, NULL, &moveTrace );
//See if it succeeded
if ( IsMoveBlocked( moveTrace.fStatus ) )
{
if ( asw_debug_aliens.GetInt() == 2 )
{
NDebugOverlay::Box( vecDest, GetHullMins(), GetHullMaxs(), 255, 0, 0, 0, 5 );
NDebugOverlay::Line( GetAbsOrigin(), vecDest, 255, 0, 0, 0, 5 );
}
m_flJumpTime = gpGlobals->curtime + random->RandomFloat( 1.0f, 2.0f );
return false;
}
if ( asw_debug_aliens.GetInt() == 2 )
{
NDebugOverlay::Box( vecDest, GetHullMins(), GetHullMaxs(), 0, 255, 0, 0, 5 );
NDebugOverlay::Line( GetAbsOrigin(), vecDest, 0, 255, 0, 0, 5 );
}
//Save this jump in case the next time fails
m_vecSavedJump = moveTrace.vJumpVelocity;
m_vecLastJumpAttempt = vecDest;
SetSchedule(SCHED_ASW_ALIEN_JUMP);
m_bForcedStuckJump = true;
//Msg("Drone saving jump vec %f %f %f\n", m_vecSavedJump.x, m_vecSavedJump.y, m_vecSavedJump.z);
return true;
}
int CASW_Parasite::RangeAttack1Conditions( float flDot, float flDist )
{
if ( gpGlobals->curtime < m_flNextAttack )
return 0;
if ( ( GetFlags() & FL_ONGROUND ) == false )
return 0;
// This code stops lots of headcrabs swarming you and blocking you
// whilst jumping up and down in your face over and over. It forces
// them to back up a bit. If this causes problems, consider using it
// for the fast headcrabs only, rather than just removing it.(sjb)
if ( flDist < ASW_PARASITE_MIN_JUMP_DIST )
return COND_TOO_CLOSE_TO_ATTACK;
if ( flDist > ASW_PARASITE_MAX_JUMP_DIST )
return COND_TOO_FAR_TO_ATTACK;
// Make sure the way is clear!
CBaseEntity *pEnemy = GetEnemy();
if( pEnemy )
{
bool bEnemyIsBullseye = ( dynamic_cast<CNPC_Bullseye *>(pEnemy) != NULL );
trace_t tr;
AI_TraceLine( EyePosition(), pEnemy->EyePosition(), MASK_SOLID, this, COLLISION_GROUP_NONE, &tr );
if ( tr.m_pEnt != GetEnemy() )
{
if ( !bEnemyIsBullseye || tr.m_pEnt != NULL )
return COND_NONE;
}
if( GetEnemy()->EyePosition().z - 36.0f > GetAbsOrigin().z )
{
// Only run this test if trying to jump at a player who is higher up than me, else this
// code will always prevent a headcrab from jumping down at an enemy, and sometimes prevent it
// jumping just slightly up at an enemy.
Vector vStartHullTrace = GetAbsOrigin();
vStartHullTrace.z += 1.0;
Vector vEndHullTrace = GetEnemy()->EyePosition() - GetAbsOrigin();
vEndHullTrace.NormalizeInPlace();
vEndHullTrace *= 8.0;
vEndHullTrace += GetAbsOrigin();
AI_TraceHull( vStartHullTrace, vEndHullTrace,GetHullMins(), GetHullMaxs(), MASK_NPCSOLID, this, GetCollisionGroup(), &tr );
if ( tr.m_pEnt != NULL && tr.m_pEnt != GetEnemy() )
{
return COND_TOO_CLOSE_TO_ATTACK;
}
}
}
return COND_CAN_RANGE_ATTACK1;
}
//-----------------------------------------------------------------------------
// Purpose:
// Output : Returns true on success, false on failure.
//-----------------------------------------------------------------------------
bool CNPC_Ichthyosaur::Beached( void )
{
trace_t tr;
Vector testPos;
testPos = GetAbsOrigin() - Vector( 0, 0, ICH_DEPTH_PREFERENCE );
AI_TraceHull( GetAbsOrigin(), testPos, GetHullMins(), GetHullMaxs(), MASK_NPCSOLID, this, COLLISION_GROUP_NONE, &tr );
return ( tr.fraction < 1.0f );
}
bool CASW_Simple_Alien::TryMove(const Vector &vecSrc, Vector &vecTarget, float deltatime, bool bStepMove)
{
// do a trace to the dest
Ray_t ray;
trace_t trace;
CTraceFilterSimple traceFilter(this, GetCollisionGroup() );
ray.Init( vecSrc, vecTarget, GetHullMins(), GetHullMaxs() );
enginetrace->TraceRay( ray, MASK_NPCSOLID, &traceFilter, &trace );
if (trace.startsolid)
{
// doh, we're stuck in something!
// todo: move us to a safe spot? wait for push out phys props?
if (asw_debug_simple_alien.GetBool())
Msg("CASW_Simple_Alien stuck!\n");
m_MoveFailure.trace = trace;
m_MoveFailure.vecStartPos = vecSrc;
m_MoveFailure.vecTargetPos = vecTarget;
return false;
}
if (trace.fraction < 0.1f) // barely/didn't move
{
// try and do a 'stepped up' move to the target
if (!bStepMove)
{
Vector vecStepSrc = vecSrc;
vecStepSrc.z += 24;
Vector vecStepTarget = vecTarget;
vecTarget.z += 24;
if (TryMove(vecStepSrc, vecStepTarget, deltatime, true))
{
vecTarget = vecStepTarget;
return true;
}
}
m_MoveFailure.trace = trace;
m_MoveFailure.vecStartPos = vecSrc;
m_MoveFailure.vecTargetPos = vecTarget;
return false;
}
else if (trace.fraction < 1) // we hit something early, but we did move
{
// we hit something early
m_MoveFailure.trace = trace;
m_MoveFailure.vecStartPos = vecSrc;
m_MoveFailure.vecTargetPos = vecTarget;
vecTarget = trace.endpos;
}
return true;
}
//-----------------------------------------------------------------------------
// Purpose: Plays the engine sound.
//-----------------------------------------------------------------------------
void CNPC_Houndeye::NPCThink(void)
{
if (m_pEnergyWave)
{
if (gpGlobals->curtime > m_flEndEnergyWaveTime)
{
UTIL_Remove(m_pEnergyWave);
m_pEnergyWave = NULL;
}
}
// -----------------------------------------------------
// Update collision group
// While I'm running I'm allowed to penetrate
// other houndeyes
// -----------------------------------------------------
Vector vVelocity;
GetVelocity( &vVelocity, NULL );
if (vVelocity.Length() > 10)
{
SetCollisionGroup( HL2COLLISION_GROUP_HOUNDEYE );
}
else
{
// Don't go solid if resting in another houndeye
trace_t tr;
AI_TraceHull( GetAbsOrigin(), GetAbsOrigin() + Vector(0,0,1),
GetHullMins(), GetHullMaxs(),
MASK_NPCSOLID, this, COLLISION_GROUP_NONE, &tr );
if (!tr.startsolid)
{
SetCollisionGroup( COLLISION_GROUP_NONE );
}
else
{
SetCollisionGroup( HL2COLLISION_GROUP_HOUNDEYE );
}
}
/*
if (GetCollisionGroup() == HL2COLLISION_GROUP_HOUNDEYE)
{
NDebugOverlay::Box(GetAbsOrigin(), GetHullMins(), GetHullMaxs(), 0, 255, 0, 0, 0);
}
else
{
NDebugOverlay::Box(GetAbsOrigin(), GetHullMins(), GetHullMaxs(), 255, 0, 0, 0, 0);
}
*/
BaseClass::NPCThink();
}
// Purpose: Returns true if a reasonable jumping distance
bool CASW_Alien_Jumper::IsJumpLegal( const Vector &startPos, const Vector &apex, const Vector &endPos ) const
{
const float MAX_JUMP_RISE = 512;
//const float MIN_JUMP_RISE = 16;
const float MAX_JUMP_DROP = 512;
const float MAX_JUMP_DISTANCE = 1024;
const float MIN_JUMP_DISTANCE = 128;
// make sure we don't do really flat jumps
//float fHeight = (apex.z - startPos.z);
//Msg("checking legality of jump with height %f\n", fHeight);
//if ((apex.z - startPos.z) < 10 || fHeight != 0)
//return false;
//Adrian: Don't try to jump if my destination is right next to me.
if ( ( endPos - GetAbsOrigin()).Length() < MIN_JUMP_DISTANCE )
return false;
if ( HasSpawnFlags( SF_ANTLION_USE_GROUNDCHECKS ) && asw_test_new_alien_jump.GetBool() == true )
{
trace_t tr;
AI_TraceHull( endPos, endPos, GetHullMins(), GetHullMaxs(), MASK_NPCSOLID, this, COLLISION_GROUP_NONE, &tr );
if ( tr.m_pEnt )
{
CAI_BaseNPC *pBlocker = tr.m_pEnt->MyNPCPointer();
if ( pBlocker && pBlocker->Classify() == CLASS_ASW_DRONE )
{
// HACKHACK - push other jumpers out of the way
CASW_Alien_Jumper *pJumper = dynamic_cast< CASW_Alien_Jumper * > ( pBlocker );
if ( pJumper )
{
if ( pJumper->AllowedToBePushed() == true )
{
// NDebugOverlay::Line( GetAbsOrigin(), endPos, 255, 0, 0, 0, 2 );
// NDebugOverlay::Box( pAntlion->GetAbsOrigin(), GetHullMins(), GetHullMaxs(), 0, 0, 255, 0, 2 );
pJumper->GetMotor()->SetIdealYawToTarget( endPos );
pJumper->SetSchedule( SCHED_MOVE_AWAY );
pJumper->m_flNextJumpPushTime = gpGlobals->curtime + 2.0f;
}
}
}
}
}
return BaseClass::IsJumpLegal( startPos, apex, endPos, MAX_JUMP_RISE, MAX_JUMP_DROP, MAX_JUMP_DISTANCE );
}
//------------------------------------------------------------------------------
// Purpose : Is cover node valid
// Input :
// Output :
//------------------------------------------------------------------------------
bool CAI_BaseNPC::IsValidCover( const Vector &vecCoverLocation, CAI_Hint const *pHint )
{
// firstly, limit choices to hint groups
string_t iszHint = GetHintGroup();
char *pszHint = (char *)STRING(iszHint);
if ((iszHint != NULL_STRING) && (pszHint[0] != '\0'))
{
if (!pHint || pHint->GetGroup() != GetHintGroup())
{
return false;
}
}
/*
// If I'm in a squad don't pick cover node it other squad member
// is already nearby
if (m_pSquad)
{
return m_pSquad->IsValidCover( vecCoverLocation, pHint );
}
*/
// UNDONE: Do we really need this test?
// ----------------------------------------------------------------
// Make sure my hull can fit at this node before accepting it.
// Could be another NPC there or it could be blocked
// ----------------------------------------------------------------
// FIXME: shouldn't this see that if I crouch behind it it'll be safe?
Vector startPos = vecCoverLocation;
startPos.z -= GetHullMins().z; // Move hull bottom up to node
Vector endPos = startPos;
endPos.z += 0.01;
trace_t tr;
AI_TraceEntity( this, vecCoverLocation, endPos, MASK_NPCSOLID, &tr );
if (tr.startsolid)
{
return false;
}
return true;
}
//-----------------------------------------------------------------------------
// Purpose: Looks ahead to see if we are going to hit something. If we are, a
// recommended avoidance path is returned.
// Input : vecMoveDir -
// flSpeed -
// vecDeflect -
// Output : Returns true if we hit something and need to deflect our course,
// false if all is well.
//-----------------------------------------------------------------------------
bool CNPC_Crow::Probe( const Vector &vecMoveDir, float flSpeed, Vector &vecDeflect )
{
//
// Look 1/2 second ahead.
//
trace_t tr;
AI_TraceHull( GetAbsOrigin(), GetAbsOrigin() + vecMoveDir * flSpeed, GetHullMins(), GetHullMaxs(), MASK_NPCSOLID, this, HL2COLLISION_GROUP_CROW, &tr );
if ( tr.fraction < 1.0f )
{
//
// If we hit something, deflect flight path parallel to surface hit.
//
Vector vecUp;
CrossProduct( vecMoveDir, tr.plane.normal, vecUp );
CrossProduct( tr.plane.normal, vecUp, vecDeflect );
VectorNormalize( vecDeflect );
return true;
}
vecDeflect = vec3_origin;
return false;
}
//-----------------------------------------------------------------------------
// Purpose:
// Input :
// Output :
//-----------------------------------------------------------------------------
int CNPC_Houndeye::RangeAttack1Conditions ( float flDot, float flDist )
{
// I'm not allowed to attack if standing in another hound eye
// (note houndeyes allowed to interpenetrate)
trace_t tr;
AI_TraceHull( GetAbsOrigin(), GetAbsOrigin() + Vector(0,0,0.1),
GetHullMins(), GetHullMaxs(),
MASK_NPCSOLID, this, COLLISION_GROUP_NONE, &tr );
if (tr.startsolid)
{
CBaseEntity *pEntity = tr.m_pEnt;
if (pEntity->Classify() == CLASS_HOUNDEYE)
{
return( COND_NONE );
}
}
// If I'm really close to my enemy allow me to attack if
// I'm facing regardless of next attack time
if (flDist < 100 && flDot >= 0.3)
{
return COND_CAN_RANGE_ATTACK1;
}
if ( gpGlobals->curtime < m_flNextAttack )
{
return( COND_NONE );
}
if (flDist > ( HOUNDEYE_MAX_ATTACK_RADIUS * 0.5 ))
{
return COND_TOO_FAR_TO_ATTACK;
}
if (flDot < 0.3)
{
return COND_NOT_FACING_ATTACK;
}
return COND_CAN_RANGE_ATTACK1;
}
//-----------------------------------------------------------------------------
// Purpose:
// Output : Returns true on success, false on failure.
//-----------------------------------------------------------------------------
bool CASW_Alien_Jumper::ShouldJump( void )
{
if ( GetEnemy() == NULL )
return false;
// don't jump if we're stunned
if (m_bElectroStunned)
return false;
//Too soon to try to jump
if ( m_flJumpTime > gpGlobals->curtime )
return false;
// only jump if you're on the ground
if (!(GetFlags() & FL_ONGROUND) || GetNavType() == NAV_JUMP )
return false;
// Don't jump if I'm not allowed
if ( ( CapabilitiesGet() & bits_CAP_MOVE_JUMP ) == false )
return false;
Vector vEnemyForward, vForward;
GetEnemy()->GetVectors( &vEnemyForward, NULL, NULL );
GetVectors( &vForward, NULL, NULL );
float flDot = DotProduct( vForward, vEnemyForward );
if ( flDot < 0.5f )
flDot = 0.5f;
Vector vecPredictedPos;
//Get our likely position in two seconds
UTIL_PredictedPosition( GetEnemy(), flDot * 2.5f, &vecPredictedPos );
// Don't jump if we're already near the target
if ( ( GetAbsOrigin() - vecPredictedPos ).LengthSqr() < (512*512) )
return false;
//Don't retest if the target hasn't moved enough
//FIXME: Check your own distance from last attempt as well
if ( ( ( m_vecLastJumpAttempt - vecPredictedPos ).LengthSqr() ) < (128*128) )
{
m_flJumpTime = gpGlobals->curtime + random->RandomFloat( 1.0f, 2.0f );
return false;
}
Vector targetDir = ( vecPredictedPos - GetAbsOrigin() );
float flDist = VectorNormalize( targetDir );
// don't jump at target it it's very close
if (flDist < ANTLION_JUMP_MIN)
return false;
Vector targetPos = vecPredictedPos + ( targetDir * (GetHullWidth()*4.0f) );
// Try the jump
AIMoveTrace_t moveTrace;
GetMoveProbe()->MoveLimit( NAV_JUMP, GetAbsOrigin(), targetPos, MASK_NPCSOLID, GetNavTargetEntity(), &moveTrace );
//See if it succeeded
if ( IsMoveBlocked( moveTrace.fStatus ) )
{
if ( asw_debug_aliens.GetInt() == 2 )
{
NDebugOverlay::Box( targetPos, GetHullMins(), GetHullMaxs(), 255, 0, 0, 0, 5 );
NDebugOverlay::Line( GetAbsOrigin(), targetPos, 255, 0, 0, 0, 5 );
}
m_flJumpTime = gpGlobals->curtime + random->RandomFloat( 1.0f, 2.0f );
return false;
}
if ( asw_debug_aliens.GetInt() == 2 )
{
NDebugOverlay::Box( targetPos, GetHullMins(), GetHullMaxs(), 0, 255, 0, 0, 5 );
NDebugOverlay::Line( GetAbsOrigin(), targetPos, 0, 255, 0, 0, 5 );
}
//Save this jump in case the next time fails
m_vecSavedJump = moveTrace.vJumpVelocity;
m_vecLastJumpAttempt = targetPos;
return true;
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : &Steer -
// Output : Returns true on success, false on failure.
//-----------------------------------------------------------------------------
bool CNPC_Ichthyosaur::SteerAvoidObstacles(Vector &Steer, const Vector &Velocity, const Vector &Forward, const Vector &Right, const Vector &Up)
{
trace_t tr;
bool collided = false;
Vector dir = Velocity;
float speed = VectorNormalize( dir );
//Look ahead one second and avoid whatever is in our way.
AI_TraceHull( GetAbsOrigin(), GetAbsOrigin() + (dir*speed), GetHullMins(), GetHullMaxs(), MASK_NPCSOLID, this, COLLISION_GROUP_NONE, &tr );
Vector forward;
GetVectors( &forward, NULL, NULL );
//If we're hitting our enemy, just continue on
if ( ( GetEnemy() != NULL ) && ( tr.m_pEnt == GetEnemy() ) )
return false;
if ( tr.fraction < 1.0f )
{
CBaseEntity *pBlocker = tr.m_pEnt;
if ( ( pBlocker != NULL ) && ( pBlocker->MyNPCPointer() != NULL ) )
{
DevMsg( 2, "Avoiding an NPC\n" );
Vector HitOffset = tr.endpos - GetAbsOrigin();
Vector SteerUp = CrossProduct( HitOffset, Velocity );
Steer = CrossProduct( SteerUp, Velocity );
VectorNormalize( Steer );
/*Vector probeDir = tr.endpos - GetAbsOrigin();
Vector normalToProbeAndWallNormal = probeDir.Cross( tr.plane.normal );
Steer = normalToProbeAndWallNormal.Cross( probeDir );
VectorNormalize( Steer );*/
if ( tr.fraction > 0 )
{
Steer = (Steer * Velocity.Length()) / tr.fraction;
//NDebugOverlay::Line( GetLocalOrigin(), GetLocalOrigin()+Steer, 255, 0, 0, false, 0.1f );
}
else
{
Steer = (Steer * 1000 * Velocity.Length());
//NDebugOverlay::Line( GetLocalOrigin(), GetLocalOrigin()+Steer, 255, 0, 0, false, 0.1f );
}
}
else
{
if ( ( pBlocker != NULL ) && ( pBlocker == GetEnemy() ) )
{
DevMsg( "Avoided collision\n" );
return false;
}
DevMsg( 2, "Avoiding the world\n" );
Vector steeringVector = tr.plane.normal;
if ( tr.fraction == 0.0f )
return false;
Steer = steeringVector * ( Velocity.Length() / tr.fraction );
//NDebugOverlay::Line( GetLocalOrigin(), GetLocalOrigin()+Steer, 255, 0, 0, false, 0.1f );
}
//return true;
collided = true;
}
//Try to remain 8 feet above the ground.
AI_TraceLine( GetAbsOrigin(), GetAbsOrigin() + Vector(0, 0, -ICH_HEIGHT_PREFERENCE), MASK_NPCSOLID_BRUSHONLY, this, COLLISION_GROUP_NONE, &tr );
if ( tr.fraction < 1.0f )
{
Steer += Vector( 0, 0, m_vecAccelerationMax.z / tr.fraction );
collided = true;
}
//Stay under the surface
if ( m_bIgnoreSurface == false )
{
float waterLevel = ( UTIL_WaterLevel( GetAbsOrigin(), GetAbsOrigin().z, GetAbsOrigin().z+ICH_DEPTH_PREFERENCE ) - GetAbsOrigin().z ) / ICH_DEPTH_PREFERENCE;
if ( waterLevel < 1.0f )
{
Steer += -Vector( 0, 0, m_vecAccelerationMax.z / waterLevel );
collided = true;
}
}
return collided;
}
Vector CNPC_Ichthyosaur::DoProbe( const Vector &probe )
{
trace_t tr;
float fraction = 1.0f;
bool collided = false;
Vector normal = Vector( 0, 0, -1 );
float waterLevel = UTIL_WaterLevel( GetAbsOrigin(), GetAbsOrigin().z, GetAbsOrigin().z+150 );
waterLevel -= GetAbsOrigin().z;
waterLevel /= 150;
if ( waterLevel < 1.0f )
{
collided = true;
fraction = waterLevel;
}
AI_TraceHull( GetAbsOrigin(), probe, GetHullMins(), GetHullMaxs(), MASK_NPCSOLID, this, COLLISION_GROUP_NONE, &tr );
if ( ( collided == false ) || ( tr.fraction < fraction ) )
{
fraction = tr.fraction;
normal = tr.plane.normal;
}
if ( ( fraction < 1.0f ) && ( GetEnemy() == NULL || tr.u.ent != GetEnemy()->pev ) )
{
#if FEELER_COLLISION_VISUALIZE
NDebugOverlay::Line( GetLocalOrigin(), probe, 255, 0, 0, false, 0.1f );
#endif
Vector probeDir = probe - GetLocalOrigin();
Vector normalToProbeAndWallNormal = probeDir.Cross( normal );
Vector steeringVector = normalToProbeAndWallNormal.Cross( probeDir );
Vector velDir = GetAbsVelocity();
VectorNormalize( velDir );
float steeringForce = m_flGroundSpeed * ( 1.0f - fraction ) * normal.Dot( velDir );
if ( steeringForce < 0.0f )
{
steeringForce = -steeringForce;
}
velDir = steeringVector;
VectorNormalize( velDir );
steeringVector = steeringForce * velDir;
return steeringVector;
}
#if FEELER_COLLISION_VISUALIZE
NDebugOverlay::Line( GetLocalOrigin(), probe, 0, 255, 0, false, 0.1f );
#endif
return Vector( 0.0f, 0.0f, 0.0f );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CNPC_Ichthyosaur::PrescheduleThink( void )
{
BaseClass::PrescheduleThink();
//Ambient sounds
/*
if ( random->RandomInt( 0, 20 ) == 10 )
{
if ( random->RandomInt( 0, 1 ) )
{
ENVELOPE_CONTROLLER.SoundChangeVolume( m_pSwimSound, random->RandomFloat( 0.0f, 0.5f ), 1.0f );
}
else
{
ENVELOPE_CONTROLLER.SoundChangeVolume( m_pVoiceSound, random->RandomFloat( 0.0f, 0.5f ), 1.0f );
}
}
*/
//Pings
if ( m_flNextPingTime < gpGlobals->curtime )
{
m_flNextPingTime = gpGlobals->curtime + random->RandomFloat( 3.0f, 8.0f );
}
//Growls
if ( ( m_NPCState == NPC_STATE_COMBAT || m_NPCState == NPC_STATE_ALERT ) && ( m_flNextGrowlTime < gpGlobals->curtime ) )
{
m_flNextGrowlTime = gpGlobals->curtime + random->RandomFloat( 2.0f, 6.0f );
}
//Randomly emit bubbles
if ( random->RandomInt( 0, 10 ) == 0 )
{
UTIL_Bubbles( GetAbsOrigin()+(GetHullMins()*0.5f), GetAbsOrigin()+(GetHullMaxs()*0.5f), 1 );
}
//Check our water level
if ( GetWaterLevel() != 3 )
{
if ( GetWaterLevel() < 2 )
{
DevMsg( 2, "Came out of water\n" );
if ( Beached() )
{
SetSchedule( SCHED_ICH_THRASH );
Vector vecNewVelocity = GetAbsVelocity();
vecNewVelocity[2] = 8.0f;
SetAbsVelocity( vecNewVelocity );
}
}
else
{
//TODO: Wake effects
}
}
//If we have a victim, update them
if ( m_pVictim != NULL )
{
//See if it's time to release the victim
if ( m_flHoldTime < gpGlobals->curtime )
{
ReleaseVictim();
return;
}
Bite();
}
}
//=========================================================
// HandleAnimEvent - catches the monster-specific messages
// that occur when tagged animation frames are played.
//
// Returns number of events handled, 0 if none.
//=========================================================
void CNPC_Vortigaunt::HandleAnimEvent( animevent_t *pEvent )
{
// ALERT( at_console, "event %d : %f\n", pEvent->event, pev->frame );
switch( pEvent->event )
{
case ISLAVE_AE_CLAW:
{
// SOUND HERE!
CBaseEntity *pHurt = CheckTraceHullAttack( 40, Vector(-10,-10,-10), Vector(10,10,10), sk_islave_dmg_claw.GetFloat(), DMG_SLASH );
CPASAttenuationFilter filter( this );
if ( pHurt )
{
if ( pHurt->GetFlags() & ( FL_NPC | FL_CLIENT ) )
pHurt->ViewPunch( QAngle( 5, 0, -18 ) );
// Play a random attack hit sound
enginesound->EmitSound( filter, entindex(), CHAN_WEAPON, pAttackHitSounds[ random->RandomInt(0,ARRAYSIZE(pAttackHitSounds)-1) ], 1.0, ATTN_NORM, 0, m_iVoicePitch );
}
else
// Play a random attack miss sound
enginesound->EmitSound( filter, entindex(), CHAN_WEAPON, pAttackMissSounds[ random->RandomInt(0,ARRAYSIZE(pAttackMissSounds)-1) ], 1.0, ATTN_NORM, 0, m_iVoicePitch );
}
break;
case ISLAVE_AE_CLAWRAKE:
{
CBaseEntity *pHurt = CheckTraceHullAttack( 40, Vector(-10,-10,-10), Vector(10,10,10), sk_islave_dmg_clawrake.GetFloat(), DMG_SLASH );
CPASAttenuationFilter filter2( this );
if ( pHurt )
{
if ( pHurt->GetFlags() & ( FL_NPC | FL_CLIENT ) )
pHurt->ViewPunch( QAngle( 5, 0, 18 ) );
enginesound->EmitSound( filter2, entindex(), CHAN_WEAPON, pAttackHitSounds[ random->RandomInt(0,ARRAYSIZE(pAttackHitSounds)-1) ], 1.0, ATTN_NORM, 0, m_iVoicePitch );
}
else
enginesound->EmitSound( filter2, entindex(), CHAN_WEAPON, pAttackMissSounds[ random->RandomInt(0,ARRAYSIZE(pAttackMissSounds)-1) ], 1.0, ATTN_NORM, 0, m_iVoicePitch );
}
break;
case ISLAVE_AE_ZAP_POWERUP:
{
// speed up attack when on hard
if ( g_iSkillLevel == SKILL_HARD )
m_flPlaybackRate = 1.5;
Vector v_forward;
GetVectors( &v_forward, NULL, NULL );
CBroadcastRecipientFilter filter;
te->DynamicLight( filter, 0.0, &GetAbsOrigin(), 125, 200, 100, 2, 120, 0.2 / m_flPlaybackRate, 0 );
if ( m_hDead != NULL )
{
WackBeam( -1, m_hDead );
WackBeam( 1, m_hDead );
}
else
{
ArmBeam( -1 );
ArmBeam( 1 );
BeamGlow( );
}
CPASAttenuationFilter filter3( this );
enginesound->EmitSound( filter3, entindex(), CHAN_WEAPON, "debris/zap4.wav", 1, ATTN_NORM, 0, 100 + m_iBeams * 10 );
// Huh? Model doesn't have multiple texturegroups, commented this out. -LH
// m_nSkin = m_iBeams / 2;
}
break;
case ISLAVE_AE_ZAP_SHOOT:
{
ClearBeams( );
if ( m_hDead != NULL )
{
Vector vecDest = m_hDead->GetAbsOrigin() + Vector( 0, 0, 38 );
trace_t trace;
UTIL_TraceHull( vecDest, vecDest, GetHullMins(), GetHullMaxs(),MASK_SOLID, m_hDead, COLLISION_GROUP_NONE, &trace );
if ( !trace.startsolid )
{
CBaseEntity *pNew = Create( "monster_alien_slave", m_hDead->GetAbsOrigin(), m_hDead->GetAbsAngles() );
pNew->AddSpawnFlags( 1 );
WackBeam( -1, pNew );
WackBeam( 1, pNew );
UTIL_Remove( m_hDead );
break;
}
}
ClearMultiDamage();
ZapBeam( -1 );
ZapBeam( 1 );
CPASAttenuationFilter filter4( this );
enginesound->EmitSound( filter4, entindex(), CHAN_WEAPON, "hassault/hw_shoot1.wav", 1, ATTN_NORM, 0, random->RandomInt( 130, 160 ) );
ApplyMultiDamage();
m_flNextAttack = gpGlobals->curtime + random->RandomFloat( 0.5, 4.0 );
}
break;
case ISLAVE_AE_ZAP_DONE:
{
ClearBeams();
}
break;
default:
BaseClass::HandleAnimEvent( pEvent );
break;
}
}
//=========================================================
// SelectSchedule
//=========================================================
int CNPC_Houndeye::SelectSchedule( void )
{
switch ( m_NPCState )
{
case NPC_STATE_IDLE:
case NPC_STATE_ALERT:
{
if ( HasCondition(COND_LIGHT_DAMAGE) ||
HasCondition(COND_HEAVY_DAMAGE) )
{
return SCHED_TAKE_COVER_FROM_ORIGIN;
}
break;
}
case NPC_STATE_COMBAT:
{
// dead enemy
if ( HasCondition( COND_ENEMY_DEAD ) )
{
// call base class, all code to handle dead enemies is centralized there.
return BaseClass::SelectSchedule();
}
// If a group attack was requested attack even if attack conditions not met
if ( HasCondition( COND_HOUND_GROUP_ATTACK ))
{
// Check that I'm not standing in another hound eye
// before attacking
trace_t tr;
AI_TraceHull( GetAbsOrigin(), GetAbsOrigin() + Vector(0,0,1),
GetHullMins(), GetHullMaxs(),
MASK_NPCSOLID, this, COLLISION_GROUP_NONE, &tr );
if (!tr.startsolid)
{
return SCHED_HOUND_GROUP_ATTACK;
}
// Otherwise attack as soon as I can
else
{
m_flNextAttack = gpGlobals->curtime;
SCHED_HOUND_ATTACK_STRAFE;
}
}
// If a group retread was requested
if ( HasCondition( COND_HOUND_GROUP_RETREAT ))
{
return SCHED_HOUND_GROUP_RETREAT;
}
if ( HasCondition( COND_LIGHT_DAMAGE ) |
HasCondition( COND_HEAVY_DAMAGE ) )
{
if ( random->RandomFloat( 0 , 1 ) <= 0.4 )
{
trace_t tr;
Vector forward;
AngleVectors( GetAbsAngles(), &forward );
AI_TraceHull( GetAbsOrigin(), GetAbsOrigin() + forward * -128,
GetHullMins(), GetHullMaxs(),
MASK_NPCSOLID, this, COLLISION_GROUP_NONE, &tr );
if ( tr.fraction == 1.0 )
{
// it's clear behind, so the hound will jump
return SCHED_HOUND_HOP_RETREAT;
}
}
return SCHED_TAKE_COVER_FROM_ENEMY;
}
// If a group rally was requested
if ( HasCondition( COND_HOUND_GROUP_RALLEY ))
{
return SCHED_HOUND_GROUP_RALLEY;
}
if ( HasCondition( COND_CAN_RANGE_ATTACK1 ) )
{
if (m_pSquad && random->RandomInt(0,4) == 0)
{
if (!IsAnyoneInSquadAttacking())
{
EmitSound( "NPC_Houndeye.GroupAttack" );
m_flSoundWaitTime = gpGlobals->curtime + 1.0;
m_pSquad->BroadcastInteraction( g_interactionHoundeyeGroupAttack, NULL, this );
return SCHED_HOUND_GROUP_ATTACK;
}
}
//<<TEMP>>comment
SetCollisionGroup( COLLISION_GROUP_NONE );
return SCHED_RANGE_ATTACK1;
}
else
{
if (m_pSquad && random->RandomInt(0,5) == 0)
{
if (!IsAnyoneInSquadAttacking())
{
EmitSound( "NPC_Houndeye.GroupFollow" );
m_flSoundWaitTime = gpGlobals->curtime + 1.0;
m_pSquad->BroadcastInteraction( g_interactionHoundeyeGroupRalley, NULL, this );
return SCHED_HOUND_ATTACK_STRAFE;
}
}
return SCHED_HOUND_ATTACK_STRAFE;
}
break;
}
}
return BaseClass::SelectSchedule();
}
//=========================================================
// HandleAnimEvent - catches the monster-specific messages
// that occur when tagged animation frames are played.
//
// Returns number of events handled, 0 if none.
//=========================================================
void CNPC_AlienGrunt::HandleAnimEvent( animevent_t *pEvent )
{
switch( pEvent->event )
{
case AGRUNT_AE_HORNET1:
case AGRUNT_AE_HORNET2:
case AGRUNT_AE_HORNET3:
case AGRUNT_AE_HORNET4:
case AGRUNT_AE_HORNET5:
{
// m_vecEnemyLKP should be center of enemy body
Vector vecArmPos;
QAngle angArmDir;
Vector vecDirToEnemy;
QAngle angDir;
if (HasCondition( COND_SEE_ENEMY) && GetEnemy())
{
Vector vecEnemyLKP = GetEnemy()->GetAbsOrigin();
vecDirToEnemy = ( ( vecEnemyLKP ) - GetAbsOrigin() );
VectorAngles( vecDirToEnemy, angDir );
VectorNormalize( vecDirToEnemy );
}
else
{
angDir = GetAbsAngles();
angDir.x = -angDir.x;
Vector vForward;
AngleVectors( angDir, &vForward );
vecDirToEnemy = vForward;
}
DoMuzzleFlash();
// make angles +-180
if (angDir.x > 180)
{
angDir.x = angDir.x - 360;
}
// SetBlending( 0, angDir.x );
GetAttachment( "0", vecArmPos, angArmDir );
vecArmPos = vecArmPos + vecDirToEnemy * 32;
CPVSFilter filter( GetAbsOrigin() );
te->Sprite( filter, 0.0,
&vecArmPos, iAgruntMuzzleFlash, random->RandomFloat( 0.4, 0.8 ), 128 );
CBaseEntity *pHornet = CBaseEntity::Create( "hornet", vecArmPos, QAngle( 0, 0, 0 ), this );
Vector vForward;
AngleVectors( angDir, &vForward );
pHornet->SetAbsVelocity( vForward * 300 );
pHornet->SetOwnerEntity( this );
EmitSound( "Weapon_Hornetgun.Single" );
CHL1BaseNPC *pHornetMonster = (CHL1BaseNPC *)pHornet->MyNPCPointer();
if ( pHornetMonster )
{
pHornetMonster->SetEnemy( GetEnemy() );
}
}
break;
case AGRUNT_AE_LEFT_FOOT:
// left foot
{
CPASAttenuationFilter filter2( this );
EmitSound( filter2, entindex(), "AlienGrunt.LeftFoot" );
}
break;
case AGRUNT_AE_RIGHT_FOOT:
// right foot
{
CPASAttenuationFilter filter3( this );
EmitSound( filter3, entindex(), "AlienGrunt.RightFoot" );
}
break;
case AGRUNT_AE_LEFT_PUNCH:
{
Vector vecMins = GetHullMins();
Vector vecMaxs = GetHullMaxs();
vecMins.z = vecMins.x;
vecMaxs.z = vecMaxs.x;
CBaseEntity *pHurt = CheckTraceHullAttack( AGRUNT_MELEE_DIST, vecMins, vecMaxs, sk_agrunt_dmg_punch.GetFloat(), DMG_CLUB );
CPASAttenuationFilter filter4( this );
if ( pHurt )
{
if ( pHurt->GetFlags() & ( FL_NPC | FL_CLIENT ) )
pHurt->ViewPunch( QAngle( -25, 8, 0) );
Vector vRight;
AngleVectors( GetAbsAngles(), NULL, &vRight, NULL );
// OK to use gpGlobals without calling MakeVectors, cause CheckTraceHullAttack called it above.
if ( pHurt->IsPlayer() )
{
// this is a player. Knock him around.
pHurt->SetAbsVelocity( pHurt->GetAbsVelocity() + vRight * 250 );
}
EmitSound(filter4, entindex(), "AlienGrunt.AttackHit" );
Vector vecArmPos;
QAngle angArmAng;
GetAttachment( 0, vecArmPos, angArmAng );
SpawnBlood(vecArmPos, g_vecAttackDir, pHurt->BloodColor(), 25);// a little surface blood.
}
else
{
// Play a random attack miss sound
EmitSound(filter4, entindex(), "AlienGrunt.AttackMiss" );
}
}
break;
case AGRUNT_AE_RIGHT_PUNCH:
{
Vector vecMins = GetHullMins();
Vector vecMaxs = GetHullMaxs();
vecMins.z = vecMins.x;
vecMaxs.z = vecMaxs.x;
CBaseEntity *pHurt = CheckTraceHullAttack( AGRUNT_MELEE_DIST, vecMins, vecMaxs, sk_agrunt_dmg_punch.GetFloat(), DMG_CLUB );
CPASAttenuationFilter filter5( this );
if ( pHurt )
{
if ( pHurt->GetFlags() & ( FL_NPC | FL_CLIENT ) )
pHurt->ViewPunch( QAngle( 25, 8, 0) );
// OK to use gpGlobals without calling MakeVectors, cause CheckTraceHullAttack called it above.
if ( pHurt->IsPlayer() )
{
// this is a player. Knock him around.
Vector vRight;
AngleVectors( GetAbsAngles(), NULL, &vRight, NULL );
pHurt->SetAbsVelocity( pHurt->GetAbsVelocity() + vRight * -250 );
}
EmitSound( filter5, entindex(), "AlienGrunt.AttackHit" );
Vector vecArmPos;
QAngle angArmAng;
GetAttachment( 0, vecArmPos, angArmAng );
SpawnBlood(vecArmPos, g_vecAttackDir, pHurt->BloodColor(), 25);// a little surface blood.
}
else
{
// Play a random attack miss sound
EmitSound( filter5, entindex(), "AlienGrunt.AttackMiss" );
}
}
break;
default:
BaseClass::HandleAnimEvent( pEvent );
break;
}
}
