Mapbase v6.1

- Added postprocess_controller entity from later versions of Source
- Added env_dof_controller entity from later versions of Source
- Added SDK_Engine_Post and DepthOfField shaders from the Momentum repo/Alien Swarm SDK
- Fixed auto-breaking game_text/choreo text not null terminating
- Fixed console groups showing up at the wrong developer levels
- Added more mesages to console groups, including a new "NPC AI" console group
- Fixed typos and added elaboration in various cvars, console messages, etc.
- Fixed npc_metropolice not using frag grenades correctly when allowed to use them
- Fixed npc_metropolice not registering stitching squad slots in AI
- Fixed SetModel input late precache warning
- Fixed env_global_light angles resetting upon loading a save
- Fixed an issue with ScriptKeyValuesRead using the wrong name and having a memory leak
- Allowed VScript functions which return null strings to actually return null instead of empty strings
- Added VScript member variable documentation
- Fixed VScript documentation lines sometimes mixing together
- Fixed VScript singletons having a ! at the beginning of descriptions
- Added Color struct to VScript and allowed color-related inputs to use it
- Added more VScript functions for weapons, ammo, ragdolling, and response contexts
- Added GameRules singleton for VScript
- Exposed AI interaction system to VScript
- Recovered some lost documentation from older revisions of the Mapbase wiki
- Added a way to get the current game's load type in VScript
- Fixed Precache/SpawnEntityFromTable not accounting for a few important field types
- Added VScript functions for getting a player's eye vectors
- Fixed a crash caused by removing the active weapon of a Combine soldier while it's firing
- Changed the way metrocops deploy their manhacks so they could use their manhack death response properly
- Fixed "Use Server" keyvalue on game_convar_mod not working
- Adjusted CAI_Expresser in VScript

sp/src/game/server/hl2/npc_attackchopper.cpp

@@ -115,6 +115,9 @@ static const char *s_pChunkModelName[CHOPPER_MAX_CHUNKS] =
 #define SF_HELICOPTER_IGNORE_AVOID_FORCES	0x00080000
 #define SF_HELICOPTER_AGGRESSIVE			0x00100000
 #define SF_HELICOPTER_LONG_SHADOW			0x00200000
+#ifdef MAPBASE
+#define SF_HELICOPTER_AIM_WITH_GUN_OFF		0x00400000
+#endif
 
 #define CHOPPER_SLOW_BOMB_SPEED	250
 
@@ -4856,6 +4859,26 @@ void CNPC_AttackHelicopter::Hunt( void )
 		{
 			BullrushBombs();
 		}
+#ifdef MAPBASE
+		// Some may want the hunter-chopper to aim at different positions searching for its target
+		// without actually firing at anything. Gun aiming is only handled in FireGun(), which is
+		// disabled when the gun is disabled. point_posecontroller doesn't seem to work well for this either,
+		// so a new spawnflag is handled here to allow the chopper to aim at its enemy even when the gun is off.
+		else if ( HasSpawnFlags( SF_HELICOPTER_AIM_WITH_GUN_OFF ) && GetEnemy() )
+		{
+			// Get gun attachment points
+			Vector vBasePos;
+			GetAttachment( m_nGunBaseAttachment, vBasePos );
+
+			Vector vecFireAtPosition;
+			ComputeFireAtPosition( &vecFireAtPosition );
+	
+			Vector vTargetDir = vecFireAtPosition - vBasePos;
+			VectorNormalize( vTargetDir );
+
+			PoseGunTowardTargetDirection( vTargetDir );
+		}
+#endif
 	}
 
 #ifdef HL2_EPISODIC