Lone bots deploy detpack ambush at ghost

Overhaul lone wolf behaviors based around search

Fix drop weapon to capture and immediately cancel loop

Code review feedback pass

Equip firearm when investigating

Author: sunzenshen

src/game/server/CMakeLists.txt

@@ -1580,8 +1580,18 @@ target_sources_grouped(
     neo/bot/behavior/neo_bot_ctg_enemy.h
     neo/bot/behavior/neo_bot_ctg_escort.h
     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 );