bool CASW_AI_Senses::SwarmSenseEntity( CBaseEntity *pSightEnt )
{
IASW_Spawnable_NPC* pAlienOuter = dynamic_cast<IASW_Spawnable_NPC*>(GetOuter());
if (!pAlienOuter)
return false;
pAlienOuter->OnSwarmSenseEntity( pSightEnt );
// insert at the head of my sight list
NoteSeenEntity( pSightEnt );
return true;
}
CBaseEntity* CASW_Spawn_Manager::SpawnAlienAt(const char* szAlienClass, const Vector& vecPos, const QAngle &angle)
{
CBaseEntity *pEntity = NULL;
pEntity = CreateEntityByName( szAlienClass );
CAI_BaseNPC *pNPC = dynamic_cast<CAI_BaseNPC*>(pEntity);
if ( pNPC )
{
pNPC->AddSpawnFlags( SF_NPC_FALL_TO_GROUND );
}
// Strip pitch and roll from the spawner's angles. Pass only yaw to the spawned NPC.
QAngle angles = angle;
angles.x = 0.0;
angles.z = 0.0;
pEntity->SetAbsOrigin( vecPos );
pEntity->SetAbsAngles( angles );
IASW_Spawnable_NPC* pSpawnable = dynamic_cast<IASW_Spawnable_NPC*>(pEntity);
ASSERT(pSpawnable);
if ( !pSpawnable )
{
Warning("NULL Spawnable Ent in CASW_Spawn_Manager::SpawnAlienAt! AlienClass = %s\n", szAlienClass);
UTIL_Remove(pEntity);
return NULL;
}
// have drones unburrow by default, so we don't worry so much about them spawning onscreen
if ( !Q_strcmp( szAlienClass, "asw_drone" ) )
{
pSpawnable->StartBurrowed();
pSpawnable->SetUnburrowIdleActivity( NULL_STRING );
pSpawnable->SetUnburrowActivity( NULL_STRING );
}
DispatchSpawn( pEntity );
pEntity->Activate();
// give our aliens the orders
pSpawnable->SetAlienOrders(AOT_MoveToNearestMarine, vec3_origin, NULL);
// reactivedrop: fixed horde aliens falling through floor and stuck in walls
// by moving this function call to the bottom of SpawnAlienAt()
// riflemod: temporary comment to test whether parasites fall throught floor
//UTIL_DropToFloor(pEntity, MASK_SOLID);
return pEntity;
}
void CASW_AI_Senses::SwarmSense(int iDistance)
{
IASW_Spawnable_NPC* pAlienOuter = dynamic_cast<IASW_Spawnable_NPC*>(GetOuter());
if (!pAlienOuter)
return;
if ( m_TimeLastSwarmSense != gpGlobals->curtime || m_LastSwarmSenseDist != iDistance )
{
SwarmSenseMarines(iDistance);
m_LastSwarmSenseDist = iDistance;
m_TimeLastSwarmSense = gpGlobals->curtime;
}
pAlienOuter->OnSwarmSensed( iDistance );
}
void CASW_Spawn_Manager::PrespawnAlienAtRandomNode(const char *szAlienClass, const int iNumAliens, const int iHull, const Vector &playerStartPos, const int iNumNodes)
{
for (int i = 0; i < iNumAliens; ++i)
{
CAI_Node *pNode = NULL;
for (int k = 0; k < 30; ++k)
{
int node_id = RandomInt(0, iNumNodes - 1);
pNode = g_pBigAINet->GetNode(node_id);
if (!pNode || pNode->GetType() != NODE_GROUND)
continue;
else if (pNode->GetOrigin().DistToSqr(playerStartPos) < 1000 * 1000)
{
continue;
}
if (ValidSpawnPoint(pNode->GetPosition(iHull), NAI_Hull::Mins(iHull), NAI_Hull::Maxs(iHull), true, false))
{
// Raise the end position a little up off the floor, place the npc and drop him down
CBaseEntity *pAlien = SpawnAlienAt(szAlienClass, pNode->GetPosition(iHull) + Vector(0.f, 0.f, 12.f), RandomAngle(0, 360));
IASW_Spawnable_NPC *pSpawnable = dynamic_cast<IASW_Spawnable_NPC*>(pAlien);
if (pSpawnable)
{
pSpawnable->SetAlienOrders(AOT_SpreadThenHibernate, vec3_origin, NULL);
}
if (asw_director_debug.GetBool() && pAlien)
{
Msg("Spawned alien at %f %f %f\n", pAlien->GetAbsOrigin());
NDebugOverlay::Cross3D(pAlien->GetAbsOrigin(), 8.0f, 255, 0, 0, true, 20.0f);
}
if (pAlien)
break;
}
}
}
}
bool CASW_Base_Spawner::CanSpawn( const Vector &vecHullMins, const Vector &vecHullMaxs )
{
if ( !m_bEnabled )
return false;
// is a marine too near?
if ( !m_bSpawnIfMarinesAreNear && m_flNearDistance > 0 )
{
CASW_Game_Resource* pGameResource = ASWGameResource();
float distance = 0.0f;
for ( int i = 0; i < ASW_MAX_MARINE_RESOURCES; i++ )
{
CASW_Marine_Resource* pMR = pGameResource->GetMarineResource(i);
if ( pMR && pMR->GetMarineEntity() && pMR->GetMarineEntity()->GetHealth() > 0 )
{
distance = pMR->GetMarineEntity()->GetAbsOrigin().DistTo( GetAbsOrigin() );
if ( distance < m_flNearDistance )
{
if ( asw_debug_spawners.GetBool() )
Msg("asw_spawner(%s): Alien can't spawn because a marine (%d) is %f away\n", GetEntityName(), i, distance);
return false;
}
}
}
}
Vector mins = GetAbsOrigin() - Vector( 23, 23, 0 );
Vector maxs = GetAbsOrigin() + Vector( 23, 23, 0 );
CBaseEntity *pList[128];
int count = UTIL_EntitiesInBox( pList, 128, mins, maxs, FL_CLIENT|FL_NPC );
if ( count )
{
//Iterate through the list and check the results
for ( int i = 0; i < count; i++ )
{
//Don't build on top of another entity
if ( pList[i] == NULL )
continue;
//If one of the entities is solid, then we may not be able to spawn now
if ( ( pList[i]->GetSolidFlags() & FSOLID_NOT_SOLID ) == false )
{
// Since the outer method doesn't work well around striders on account of their huge bounding box.
// Find the ground under me and see if a human hull would fit there.
trace_t tr;
UTIL_TraceHull( GetAbsOrigin() + Vector( 0, 0, 1 ),
GetAbsOrigin() - Vector( 0, 0, 1 ),
vecHullMins,
vecHullMaxs,
MASK_NPCSOLID,
NULL,
COLLISION_GROUP_NONE,
&tr );
if (tr.fraction < 1.0f && tr.DidHitNonWorldEntity())
{
// some non-world entity is blocking the spawn point, so don't spawn
if (tr.m_pEnt)
{
if ( m_iMoveAsideCount < 6 ) // don't send 'move aside' commands more than 5 times in a row, else you'll stop blocked NPCs going to sleep.
{
IASW_Spawnable_NPC *pSpawnable = dynamic_cast<IASW_Spawnable_NPC*>(tr.m_pEnt);
if (pSpawnable)
{
pSpawnable->MoveAside(); // try and make him move aside
m_iMoveAsideCount++;
}
}
if (asw_debug_spawners.GetBool())
Msg("asw_spawner(%s): Alien can't spawn because a non-world entity is blocking the spawn point: %s\n", GetEntityName(), tr.m_pEnt->GetClassname());
}
else
{
if (asw_debug_spawners.GetBool())
Msg("asw_spawner(%s): Alien can't spawn because a non-world entity is blocking the spawn point.\n", GetEntityName());
}
return false;
}
}
}
}
// is there something blocking the spawn point?
if ( m_bCheckSpawnIsClear )
{
if ( asw_debug_spawners.GetBool() )
{
Msg("Checking spawn is clear...\n");
}
trace_t tr;
UTIL_TraceHull( GetAbsOrigin(),
GetAbsOrigin() + Vector( 0, 0, 1 ),
vecHullMins,
vecHullMaxs,
MASK_NPCSOLID,
this,
COLLISION_GROUP_NONE,
&tr );
if( tr.fraction != 1.0 )
{
if ( asw_debug_spawners.GetBool() )
Msg("asw_spawner(%s): Alien can't spawn because he wouldn't fit in the spawn point.\n", GetEntityName());
// TODO: If we were trying to spawn an uber, change to spawning a regular instead
return false;
}
}
m_iMoveAsideCount = 0;
return true;
}
IASW_Spawnable_NPC* CASW_Base_Spawner::SpawnAlien( const char *szAlienClassName, const Vector &vecHullMins, const Vector &vecHullMaxs )
{
if ( !IsValidOnThisSkillLevel() )
{
UTIL_Remove(this); // delete ourself if this spawner isn't valid on this difficulty level
return NULL;
}
if ( !CanSpawn( vecHullMins, vecHullMaxs ) ) // this may turn off m_bCurrentlySpawningUber if there's no room
return NULL;
CBaseEntity *pEntity = CreateEntityByName( szAlienClassName );
if ( !pEntity )
{
Msg( "Failed to spawn %s\n", szAlienClassName );
return NULL;
}
CAI_BaseNPC *pNPC = pEntity->MyNPCPointer();
if ( pNPC )
{
pNPC->AddSpawnFlags( SF_NPC_FALL_TO_GROUND );
}
// check if he can see far
if ( m_bLongRangeNPC )
pEntity->AddSpawnFlags( SF_NPC_LONG_RANGE );
if ( HasSpawnFlags( ASW_SF_NEVER_SLEEP ) )
pEntity->AddSpawnFlags( SF_NPC_ALWAYSTHINK );
// Strip pitch and roll from the spawner's angles. Pass only yaw to the spawned NPC.
QAngle angles = GetAbsAngles();
angles.x = 0.0;
angles.z = 0.0;
pEntity->SetAbsOrigin( GetAbsOrigin() );
pEntity->SetAbsAngles( angles );
IASW_Spawnable_NPC* pSpawnable = dynamic_cast<IASW_Spawnable_NPC*>(pEntity);
Assert( pSpawnable );
if ( !pSpawnable )
{
Warning( "NULL Spawnable Ent in asw_spawner! AlienClass = %s\n", szAlienClassName );
UTIL_Remove( pEntity );
return NULL;
}
m_flLastSpawnTime = gpGlobals->curtime;
if ( m_bStartBurrowed )
{
pSpawnable->StartBurrowed();
}
if ( m_bStartBurrowed )
{
pSpawnable->SetUnburrowIdleActivity( m_UnburrowIdleActivity );
pSpawnable->SetUnburrowActivity( m_UnburrowActivity );
}
DispatchSpawn( pEntity );
pEntity->SetOwnerEntity( this );
pEntity->Activate();
if ( m_AlienName != NULL_STRING )
{
pEntity->SetName( m_AlienName );
}
pSpawnable->SetSpawner( this );
RemoveObstructingProps( pEntity );
// give our aliens the orders
pSpawnable->SetAlienOrders( m_AlienOrders, vec3_origin, GetOrderTarget() );
m_OnSpawned.FireOutput(pEntity, this);
return pSpawnable;
}
bool CASW_Spawn_Manager::SpawnRandomShieldbug()
{
int iNumNodes = g_pBigAINet->NumNodes();
if ( iNumNodes < 6 )
return false;
int nHull = HULL_WIDE_SHORT;
CUtlVector<CASW_Open_Area*> aAreas;
for ( int i = 0; i < 6; i++ )
{
CAI_Node *pNode = NULL;
int nTries = 0;
while ( nTries < 5 && ( !pNode || pNode->GetType() != NODE_GROUND ) )
{
pNode = g_pBigAINet->GetNode( RandomInt( 0, iNumNodes ) );
nTries++;
}
if ( pNode )
{
CASW_Open_Area *pArea = FindNearbyOpenArea( pNode->GetOrigin(), HULL_MEDIUMBIG );
if ( pArea && pArea->m_nTotalLinks > 30 )
{
// test if there's room to spawn a shieldbug at that spot
if ( ValidSpawnPoint( pArea->m_pNode->GetPosition( nHull ), NAI_Hull::Mins( nHull ), NAI_Hull::Maxs( nHull ), true, false ) )
{
aAreas.AddToTail( pArea );
}
else
{
delete pArea;
}
}
}
// stop searching once we have 3 acceptable candidates
if ( aAreas.Count() >= 3 )
break;
}
// find area with the highest connectivity
CASW_Open_Area *pBestArea = NULL;
for ( int i = 0; i < aAreas.Count(); i++ )
{
CASW_Open_Area *pArea = aAreas[i];
if ( !pBestArea || pArea->m_nTotalLinks > pBestArea->m_nTotalLinks )
{
pBestArea = pArea;
}
}
if ( pBestArea )
{
CBaseEntity *pAlien = SpawnAlienAt( "asw_shieldbug", pBestArea->m_pNode->GetPosition( nHull ), RandomAngle( 0, 360 ) );
IASW_Spawnable_NPC *pSpawnable = dynamic_cast<IASW_Spawnable_NPC*>( pAlien );
if ( pSpawnable )
{
pSpawnable->SetAlienOrders(AOT_SpreadThenHibernate, vec3_origin, NULL);
}
aAreas.PurgeAndDeleteElements();
return true;
}
aAreas.PurgeAndDeleteElements();
return false;
}
bool CASW_Spawn_Manager::SpawnRandomParasitePack( int nParasites )
{
int iNumNodes = g_pBigAINet->NumNodes();
if ( iNumNodes < 6 )
return false;
int nHull = HULL_TINY;
CUtlVector<CASW_Open_Area*> aAreas;
for ( int i = 0; i < 6; i++ )
{
CAI_Node *pNode = NULL;
int nTries = 0;
while ( nTries < 5 && ( !pNode || pNode->GetType() != NODE_GROUND ) )
{
pNode = g_pBigAINet->GetNode( RandomInt( 0, iNumNodes ) );
nTries++;
}
if ( pNode )
{
CASW_Open_Area *pArea = FindNearbyOpenArea( pNode->GetOrigin(), HULL_MEDIUMBIG );
if ( pArea && pArea->m_nTotalLinks > 30 )
{
// test if there's room to spawn a shieldbug at that spot
if ( ValidSpawnPoint( pArea->m_pNode->GetPosition( nHull ), NAI_Hull::Mins( nHull ), NAI_Hull::Maxs( nHull ), true, false ) )
{
aAreas.AddToTail( pArea );
}
else
{
delete pArea;
}
}
}
// stop searching once we have 3 acceptable candidates
if ( aAreas.Count() >= 3 )
break;
}
// find area with the highest connectivity
CASW_Open_Area *pBestArea = NULL;
for ( int i = 0; i < aAreas.Count(); i++ )
{
CASW_Open_Area *pArea = aAreas[i];
if ( !pBestArea || pArea->m_nTotalLinks > pBestArea->m_nTotalLinks )
{
pBestArea = pArea;
}
}
if ( pBestArea )
{
for ( int i = 0; i < nParasites; i++ )
{
// raise the position by 12 units, a workaround for parasites
// falling through displacements
CBaseEntity *pAlien = SpawnAlienAt( "asw_parasite", pBestArea->m_pNode->GetPosition( nHull ) + Vector(0.f, 0.f, 12.f), RandomAngle( 0, 360 ) );
IASW_Spawnable_NPC *pSpawnable = dynamic_cast<IASW_Spawnable_NPC*>( pAlien );
if ( pSpawnable )
{
pSpawnable->SetAlienOrders(AOT_SpreadThenHibernate, vec3_origin, NULL);
}
if ( asw_director_debug.GetBool() && pAlien )
{
Msg( "Spawned parasite at %f %f %f\n", pAlien->GetAbsOrigin() );
NDebugOverlay::Cross3D( pAlien->GetAbsOrigin(), 8.0f, 255, 0, 0, true, 20.0f );
}
}
aAreas.PurgeAndDeleteElements();
return true;
}
aAreas.PurgeAndDeleteElements();
return false;
}