From ea4ffa10e5fd1dea9cf8a7035a63e7b2376c17c9 Mon Sep 17 00:00:00 2001
From: RaveYard <29225776+MrRaveYard@users.noreply.github.com>
Date: Mon, 7 Aug 2023 14:41:52 +0200
Subject: [PATCH] A_Chase CHF_DONTLOOKALLAROUND

---
 src/playsim/p_enemy.cpp            | 5 +++--
 wadsrc/static/zscript/constants.zs | 1 +
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/playsim/p_enemy.cpp b/src/playsim/p_enemy.cpp
index 456076d25cf..b93f528a4f7 100644
--- a/src/playsim/p_enemy.cpp
+++ b/src/playsim/p_enemy.cpp
@@ -2207,6 +2207,7 @@ enum ChaseFlags
 	CHF_NOPOSTATTACKTURN = 128,
 	CHF_STOPIFBLOCKED = 256,
 	CHF_DONTIDLE = 512,
+	CHF_DONTLOOKALLAROUND = 1024,
 };
 
 void A_Wander(AActor *self, int flags)
@@ -2441,7 +2442,7 @@ void A_DoChase (AActor *actor, bool fastchase, FState *meleestate, FState *missi
 			// hurt our old one temporarily.
 			actor->threshold = 0;
 		}
-		if (P_LookForPlayers (actor, true, NULL) && actor->target != actor->goal)
+		if (P_LookForPlayers (actor, !(flags & CHF_DONTLOOKALLAROUND), NULL) && actor->target != actor->goal)
 		{ // got a new target
 			actor->flags7 &= ~MF7_INCHASE;
 			return;
@@ -2616,7 +2617,7 @@ void A_DoChase (AActor *actor, bool fastchase, FState *meleestate, FState *missi
 			lookForBetter = true;
 		}
 		AActor * oldtarget = actor->target;
-		gotNew = P_LookForPlayers (actor, true, NULL);
+		gotNew = P_LookForPlayers (actor, !(flags & CHF_DONTLOOKALLAROUND), NULL);
 		if (lookForBetter)
 		{
 			actor->flags3 |= MF3_NOSIGHTCHECK;
diff --git a/wadsrc/static/zscript/constants.zs b/wadsrc/static/zscript/constants.zs
index 14450eef622..23252932c3f 100644
--- a/wadsrc/static/zscript/constants.zs
+++ b/wadsrc/static/zscript/constants.zs
@@ -141,6 +141,7 @@ enum EChaseFlags
 	CHF_NOPOSTATTACKTURN =				128,
 	CHF_STOPIFBLOCKED =					256,
 	CHF_DONTIDLE =						512,
+	CHF_DONTLOOKALLAROUND =				1024,
 
 	CHF_DONTTURN = CHF_NORANDOMTURN | CHF_NOPOSTATTACKTURN | CHF_STOPIFBLOCKED
 };