bool CASW_Spawn_Manager::FindHordePosition()
{
// need to find a suitable place from which to spawn a horde
// this place should:
// - be far enough away from the marines so the whole horde can spawn before the marines get there
// - should have a clear path to the marines
UpdateCandidateNodes();
// decide if the horde is going to come from behind or in front
bool bNorth = RandomFloat() < 0.7f;
if ( m_northCandidateNodes.Count() <= 0 )
{
bNorth = false;
}
else if ( m_southCandidateNodes.Count() <= 0 )
{
bNorth = true;
}
CUtlVector<int> &candidateNodes = bNorth ? m_northCandidateNodes : m_southCandidateNodes;
if ( candidateNodes.Count() <= 0 )
{
if ( asw_director_debug.GetBool() )
{
Msg( " Failed to find horde pos as there are no candidate nodes\n" );
}
return false;
}
int iMaxTries = 3;
for ( int i=0 ; i<iMaxTries ; i++ )
{
int iChosen = RandomInt( 0, candidateNodes.Count() - 1);
CAI_Node *pNode = GetNetwork()->GetNode( candidateNodes[iChosen] );
if ( !pNode )
continue;
float flDistance = 0;
CASW_Marine *pMarine = dynamic_cast<CASW_Marine*>(UTIL_ASW_NearestMarine( pNode->GetPosition( CANDIDATE_ALIEN_HULL ), flDistance ));
if ( !pMarine )
{
if ( asw_director_debug.GetBool() )
{
Msg( " Failed to find horde pos as there is no nearest marine\n" );
}
return false;
}
// check if there's a route from this node to the marine(s)
AI_Waypoint_t *pRoute = ASWPathUtils()->BuildRoute( pNode->GetPosition( CANDIDATE_ALIEN_HULL ), pMarine->GetAbsOrigin(), NULL, 100 );
if ( !pRoute )
{
if ( asw_director_debug.GetInt() >= 2 )
{
Msg( " Discarding horde node %d as there's no route.\n", iChosen );
}
continue;
}
if ( bNorth && UTIL_ASW_DoorBlockingRoute( pRoute, true ) )
{
if ( asw_director_debug.GetInt() >= 2 )
{
Msg( " Discarding horde node %d as there's a door in the way.\n", iChosen );
}
DeleteRoute( pRoute );
continue;
}
// riflemod: preventing hordes from spawning behind closed airlocks
if ( UTIL_ASW_BrushBlockingRoute(pRoute, MASK_PLAYERSOLID_BRUSHONLY, COLLISION_GROUP_PLAYER_MOVEMENT) )
{
if (asw_director_debug.GetInt() >= 2)
{
Msg(" Discarding horde node %d as there's a brush in the way.\n", iChosen);
}
DeleteRoute(pRoute);
continue;
}
m_vecHordePosition = pNode->GetPosition( CANDIDATE_ALIEN_HULL ) + Vector( 0, 0, 32 );
// spawn facing the nearest marine
Vector vecDir = pMarine->GetAbsOrigin() - m_vecHordePosition;
vecDir.z = 0;
vecDir.NormalizeInPlace();
VectorAngles( vecDir, m_angHordeAngle );
if ( asw_director_debug.GetInt() >= 2 )
{
Msg( " Accepting horde node %d.\n", iChosen );
}
DeleteRoute( pRoute );
return true;
}
if ( asw_director_debug.GetBool() )
{
Msg( " Failed to find horde pos as we tried 3 times to build routes to possible locations, but failed\n" );
}
return false;
}
bool CASW_Weapon_Blink::SetBlinkDestination()
{
CASW_Player *pPlayer = GetCommander();
if ( !pPlayer )
return false;
CASW_Marine *pMarine = GetMarine();
if ( !pMarine )
return false;
Vector vecStart = pPlayer->GetCrosshairTracePos() + Vector( 0, 0, 30 );
Vector vecEnd = pPlayer->GetCrosshairTracePos() - Vector( 0, 0, 30 );
trace_t tr;
UTIL_TraceHull( vecStart, vecEnd, pMarine->WorldAlignMins(), pMarine->WorldAlignMaxs(), MASK_PLAYERSOLID_BRUSHONLY, pMarine, COLLISION_GROUP_PLAYER_MOVEMENT, &tr );
if ( tr.startsolid || tr.allsolid )
{
m_vecInvalidDestination = vecStart;
return false;
}
if ( pMarine->GetAbsOrigin().DistTo( tr.endpos ) > asw_blink_range.GetFloat() )
{
m_vecInvalidDestination = tr.endpos;
return false;
}
Vector vecDest = tr.endpos;
// now see if we can build an AI path from the marine to this spot
bool bValidRoute = false;
if ( !pMarine->GetPathfinder() )
{
m_vecInvalidDestination = vecDest;
return false;
}
AI_Waypoint_t *pRoute = pMarine->GetPathfinder()->BuildRoute( pMarine->GetAbsOrigin(), vecDest, NULL, 30, NAV_GROUND, bits_BUILD_GROUND | bits_BUILD_IGNORE_NPCS );
if ( pRoute && !UTIL_ASW_DoorBlockingRoute( pRoute, true ) )
{
if ( !UTIL_ASW_BrushBlockingRoute( pRoute, MASK_PLAYERSOLID_BRUSHONLY, COLLISION_GROUP_PLAYER_MOVEMENT ) )
{
// if end node of the route is too Z different, then abort, to stop people jumping on top of walls
AI_Waypoint_t *pLast = pRoute->GetLast();
if ( pLast )
{
AI_Waypoint_t *pNode = pLast->GetPrev();
if ( !pNode || fabs( pNode->GetPos().z - pLast->GetPos().z ) < 80.0f )
{
bValidRoute = true;
}
}
}
}
if ( !bValidRoute )
{
// find the closest node to the dest and try to path there instead
CAI_Network *pNetwork = pMarine->GetNavigator() ? pMarine->GetNavigator()->GetNetwork() : NULL;
if ( pNetwork )
{
int nNode = pNetwork->NearestNodeToPoint( vecDest, false );
if ( nNode != NO_NODE )
{
CAI_Node *pNode = pNetwork->GetNode( nNode );
if ( pNode && pNode->GetType() == NODE_GROUND )
{
vecDest = pNode->GetOrigin();
if ( pRoute )
{
ASWPathUtils()->DeleteRoute( pRoute );
pRoute = NULL;
}
pRoute = pMarine->GetPathfinder()->BuildRoute( pMarine->GetAbsOrigin(), vecDest, NULL, 30, NAV_GROUND, bits_BUILD_GROUND | bits_BUILD_IGNORE_NPCS );
if ( pRoute && !UTIL_ASW_DoorBlockingRoute( pRoute, true ) )
{
if ( !UTIL_ASW_BrushBlockingRoute( pRoute, MASK_PLAYERSOLID_BRUSHONLY, COLLISION_GROUP_PLAYER_MOVEMENT ) )
{
bValidRoute = true;
}
}
if ( !bValidRoute )
{
m_vecInvalidDestination = vecDest;
}
}
}
}
}
if ( !bValidRoute )
{
if ( pRoute )
{
ASWPathUtils()->DeleteRoute( pRoute );
pRoute = NULL;
}
return false;
}
if ( asw_blink_debug.GetBool() )
{
ASWPathUtils()->DebugDrawRoute( pMarine->GetAbsOrigin(), pRoute );
}
m_vecAbilityDestination = vecDest;
if ( pRoute )
{
ASWPathUtils()->DeleteRoute( pRoute );
pRoute = NULL;
}
return true;
}
bool CASW_Spawn_Manager::SpawnAlientAtRandomNode()
{
UpdateCandidateNodes();
// decide if the alien is going to come from behind or in front
bool bNorth = RandomFloat() < 0.7f;
if ( m_northCandidateNodes.Count() <= 0 )
{
bNorth = false;
}
else if ( m_southCandidateNodes.Count() <= 0 )
{
bNorth = true;
}
CUtlVector<int> &candidateNodes = bNorth ? m_northCandidateNodes : m_southCandidateNodes;
if ( candidateNodes.Count() <= 0 )
return false;
const char *szAlienClass = "asw_drone";
Vector vecMins, vecMaxs;
GetAlienBounds( szAlienClass, vecMins, vecMaxs );
int iMaxTries = 1;
for ( int i=0 ; i<iMaxTries ; i++ )
{
int iChosen = RandomInt( 0, candidateNodes.Count() - 1);
CAI_Node *pNode = GetNetwork()->GetNode( candidateNodes[iChosen] );
if ( !pNode )
continue;
float flDistance = 0;
CASW_Marine *pMarine = dynamic_cast<CASW_Marine*>(UTIL_ASW_NearestMarine( pNode->GetPosition( CANDIDATE_ALIEN_HULL ), flDistance ));
if ( !pMarine )
return false;
// check if there's a route from this node to the marine(s)
AI_Waypoint_t *pRoute = ASWPathUtils()->BuildRoute( pNode->GetPosition( CANDIDATE_ALIEN_HULL ), pMarine->GetAbsOrigin(), NULL, 100 );
if ( !pRoute )
{
if ( asw_director_debug.GetBool() )
{
NDebugOverlay::Cross3D( pNode->GetOrigin(), 10.0f, 255, 128, 0, true, 20.0f );
}
continue;
}
if ( bNorth && UTIL_ASW_DoorBlockingRoute( pRoute, true ) )
{
DeleteRoute( pRoute );
continue;
}
// riflemod: preventing wanderers from spawning behind closed airlocks
if (UTIL_ASW_BrushBlockingRoute(pRoute, MASK_PLAYERSOLID_BRUSHONLY, COLLISION_GROUP_PLAYER_MOVEMENT))
{
DeleteRoute(pRoute);
continue;
}
Vector vecSpawnPos = pNode->GetPosition( CANDIDATE_ALIEN_HULL ) + Vector( 0, 0, 32 );
if ( ValidSpawnPoint( vecSpawnPos, vecMins, vecMaxs, true, MARINE_NEAR_DISTANCE ) )
{
if ( SpawnAlienAt( szAlienClass, vecSpawnPos, vec3_angle ) )
{
if ( asw_director_debug.GetBool() )
{
NDebugOverlay::Cross3D( vecSpawnPos, 25.0f, 255, 255, 255, true, 20.0f );
float flDist;
CASW_Marine *pMarine = UTIL_ASW_NearestMarine( vecSpawnPos, flDist );
if ( pMarine )
{
NDebugOverlay::Line( pMarine->GetAbsOrigin(), vecSpawnPos, 64, 64, 64, true, 60.0f );
}
}
DeleteRoute( pRoute );
return true;
}
}
else
{
if ( asw_director_debug.GetBool() )
{
NDebugOverlay::Cross3D( vecSpawnPos, 25.0f, 255, 0, 0, true, 20.0f );
}
}
DeleteRoute( pRoute );
}
return false;
}
