Overhaul lone wolf behaviors based around search

Author: sunzenshen

src/game/server/CMakeLists.txt

@@ -1582,9 +1582,16 @@ target_sources_grouped(
     neo/bot/behavior/neo_bot_ctg_lone_wolf.h
     neo/bot/behavior/neo_bot_ctg_lone_wolf_ambush.cpp
     neo/bot/behavior/neo_bot_ctg_lone_wolf_ambush.h
+    neo/bot/behavior/neo_bot_ctg_lone_wolf_seek.cpp
+    neo/bot/behavior/neo_bot_ctg_lone_wolf_seek.h
     neo/bot/behavior/neo_bot_ctg_seek.cpp
     neo/bot/behavior/neo_bot_ctg_seek.h
     neo/bot/behavior/neo_bot_dead.h
+    neo/bot/behavior/neo_bot_detpack_deploy.cpp
+    neo/bot/behavior/neo_bot_detpack_deploy.h
+    neo/bot/behavior/neo_bot_detpack_trigger.cpp
+    neo/bot/behavior/neo_bot_detpack_trigger.h
+    neo/bot/behavior/neo_bot_grenade_dispatch.cpp
     neo/bot/behavior/neo_bot_grenade_dispatch.h
     neo/bot/behavior/neo_bot_grenade_throw.h
     neo/bot/behavior/neo_bot_grenade_throw_frag.h

src/game/server/neo/bot/behavior/neo_bot_ctg_capture.cpp

@@ -1,7 +1,9 @@
 #include "cbase.h"
 #include "bot/behavior/neo_bot_ctg_capture.h"
+#include "bot/behavior/neo_bot_ctg_lone_wolf_seek.h"
 #include "bot/behavior/neo_bot_seek_weapon.h"
 #include "bot/neo_bot_path_compute.h"
+#include "neo_detpack.h"
 #include "weapon_ghost.h"
 
 
@@ -67,6 +69,31 @@ ActionResult<CNEOBot> CNEOBotCtgCapture::Update( CNEOBot *me, float interval )
 		m_captureAttemptTimer.Start( 3.0f );
 	}
 
+	// Check if there is a detpack that risks exploding if I pick up the ghost
+	// NEO Jank: It may be more proper to check for line of sight,
+	// but triggering an entity search at the last moment may involve fewer overall calculations
+	// with the lampshade explanation as the bot being able to notice the detpack along the path
+	// even if we didn't check constantly along the same path
+	CBaseEntity *pEnts[256];
+	int numEnts = UTIL_EntitiesInSphere( pEnts, 256, me->GetAbsOrigin(), NEO_DETPACK_DAMAGE_RADIUS, 0 );
+	bool bDetpackNear = false;
+	for ( int i = 0; i < numEnts; ++i )
+	{
+		if ( pEnts[i] && FClassnameIs( pEnts[i], "neo_deployed_detpack" ) )
+		{
+			bDetpackNear = true;
+			break;
+		}
+	}
+
+	if ( bDetpackNear )
+	{
+		// NEO JANK: Putting the bot into seek mode will have it search the map for enemies for the rest of the round
+		// but for now this could be fine as it may indicate an entrenched enemy
+		// or a friendly that is setting up an ambush, where either scenario indicates ghost capture is too dangerous
+		return ChangeTo( new CNEOBotCtgLoneWolfSeek(), "Found detpack: skipping ghost capture to search for enemies" );
+	}
+
 	CBaseCombatWeapon *pPrimary = me->Weapon_GetSlot( 0 );
 	if ( pPrimary )
 	{

src/game/server/neo/bot/behavior/neo_bot_ctg_carrier.cpp

@@ -4,6 +4,7 @@
 #include "bot/behavior/neo_bot_ctg_carrier.h"
 #include "bot/behavior/neo_bot_ctg_lone_wolf.h"
 #include "bot/neo_bot_path_compute.h"
+#include "nav_mesh.h"
 #include "neo_gamerules.h"
 #include "neo_ghost_cap_point.h"
 #include "debugoverlay_shared.h"
@@ -384,9 +385,26 @@ ActionResult< CNEOBot >	CNEOBotCtgCarrier::Update( CNEOBot *me, float interval )
 	m_teammates.RemoveAll();
 	CollectPlayers( me, &m_teammates );
 
+	// Check if bot should transition into lone wolf behavior
 	if ( m_teammates.Count() == 0 )
 	{
-		return SuspendFor( new CNEOBotCtgLoneWolf, "I'm the last one!" );
+		const CKnownEntity *threat = me->GetVisionInterface()->GetPrimaryKnownThreat( true );
+		if ( threat && threat->GetEntity() && threat->GetEntity()->IsAlive() )
+		{
+			CNavArea *destArea = TheNavMesh->GetNearestNavArea( m_closestCapturePoint );
+			CNavArea *myArea = me->GetLastKnownArea();
+
+			if ( !destArea || !myArea || !destArea->IsPotentiallyVisible( myArea ) )
+			{
+				return SuspendFor( new CNEOBotCtgLoneWolf, "Last one standing and blocked from capturing!" );
+			}
+		}
+
+		// Lone wolf will drop the ghost and go into enemy seeking behavior
+		if ( m_closestCapturePoint == CNEO_Player::VECTOR_INVALID_WAYPOINT )
+		{
+			return SuspendFor( new CNEOBotCtgLoneWolf, "Looking for enemy since there is no capture point" );
+		}
 	}
 
 	UpdateFollowPath( me, m_teammates );