Merge pull request scp-fs2open#7043 from Goober5000/disable_form_on_wing_at_mission_start

add ai_profiles flag to disable form-on-wing at mission start

Author: Goober5000

code/ai/ai_flags.h

@@ -180,6 +180,7 @@ namespace AI {
 		Freespace_1_missile_behavior,
 		ETS_uses_power_output,
 		ETS_energy_same_regardless_of_system_presence,
+		Dont_form_on_wing_at_mission_start,
 
 		NUM_VALUES
 	};

code/ai/ai_profiles.cpp

@@ -719,6 +719,8 @@ void parse_ai_profiles_tbl(const char *filename)
 
 				set_flag(profile, "$ETS energy same regardless of system presence:", AI::Profile_Flags::ETS_energy_same_regardless_of_system_presence);
 
+				set_flag(profile, "$don't issue form-on-wing goals at mission start:", AI::Profile_Flags::Dont_form_on_wing_at_mission_start);
+
 
 				// end of options ----------------------------------------
 

code/ai/aigoals.cpp

@@ -197,6 +197,11 @@ void ai_maybe_add_form_goal(wing* wingp)
 		return;
 	}
 
+	// we may simply not want the mission to do this
+	if (The_mission.ai_profile->flags[AI::Profile_Flags::Dont_form_on_wing_at_mission_start]) {
+		return;
+	}
+
 	int j;
 
 	// iterate through the ship_index list of this wing and check for orders.  We will do