From ef69f9b2e65ae0a0b35ff774c40a1948a5400d0c Mon Sep 17 00:00:00 2001
From: Asdow <20314541+Asdow@users.noreply.github.com>
Date: Sun, 11 Feb 2024 00:27:14 +0200
Subject: [PATCH] Allow enemy to retreat (#279)

This check was preventing enemies from retreating into another sector if tactical AI retreat was enabled, leading into AI deadlock every time AI_ACTION_RUNAWAY was the decision.
---
 Tactical/Overhead.cpp | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/Tactical/Overhead.cpp b/Tactical/Overhead.cpp
index 36e5881de..3052c2bb1 100644
--- a/Tactical/Overhead.cpp
+++ b/Tactical/Overhead.cpp
@@ -5081,11 +5081,17 @@ BOOLEAN NewOKDestination( SOLDIERTYPE * pCurrSoldier, INT32 sGridNo, BOOLEAN fPe
     INT16        sDesiredLevel;
     BOOLEAN             fOKCheckStruct;
 
-	// sevenfm: allow civilians and NPCs with profile to go off screen
-	if (!GridNoOnVisibleWorldTile(sGridNo) && (pCurrSoldier->bTeam != CIV_TEAM || pCurrSoldier->ubProfile == NO_PROFILE))
-	{
-		return(FALSE);
-	}
+    // Allow civilians and NPCs with profile to go off screen, and also enemies if tactical retreat is enabled
+    auto destinationOffscreen = !(GridNoOnVisibleWorldTile(sGridNo));
+    auto hasProfile = pCurrSoldier->ubProfile != NO_PROFILE;
+    auto isCivilian = pCurrSoldier->bTeam == CIV_TEAM;
+    auto isEnemy = pCurrSoldier->bTeam == ENEMY_TEAM;
+    auto retreatAllowed = gGameExternalOptions.fAITacticalRetreat == true;
+
+    if (destinationOffscreen && !(isCivilian || hasProfile || (isEnemy && retreatAllowed)))
+    {
+        return(FALSE);
+    }
 
     if (fPeopleToo && ( bPerson = WhoIsThere2( sGridNo, bLevel ) ) != NOBODY )
     {