From 4db78ba88afa6651d6a24644e655a1da38c0c172 Mon Sep 17 00:00:00 2001
From: toaster <rollerorbital@gmail.com>
Date: Sun, 6 Oct 2019 16:04:19 +0100
Subject: [PATCH] Fix Minus causing crashes if it picks up a Snapper.

---
 src/p_enemy.c | 5 +++--
 src/p_inter.c | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/p_enemy.c b/src/p_enemy.c
index f2ea9f867..1c044191e 100644
--- a/src/p_enemy.c
+++ b/src/p_enemy.c
@@ -5359,7 +5359,6 @@ static boolean PIT_MinusCarry(mobj_t *thing)
 		return true;
 
 	P_SetTarget(&minus->tracer, thing);
-	P_SetTarget(&thing->tracer, minus);
 	if (thing->flags & MF_PUSHABLE)
 	{
 		minus->flags2 |= MF2_STRONGBOX;
@@ -5428,6 +5427,9 @@ void A_MinusDigging(mobj_t *actor)
 	A_Chase(actor);
 
 	// Carry over shit, maybe
+	if (P_MobjWasRemoved(actor->tracer) || !actor->tracer->health)
+		P_SetTarget(&actor->tracer, NULL);
+
 	if (!actor->tracer)
 	{
 		fixed_t radius = 3*actor->radius;
@@ -5456,7 +5458,6 @@ void A_MinusDigging(mobj_t *actor)
 				actor->flags2 &= ~MF2_STRONGBOX;
 				actor->tracer->flags |= MF_PUSHABLE;
 			}
-			P_SetTarget(&actor->tracer->tracer, NULL);
 			P_SetTarget(&actor->tracer, NULL);
 		}
 	}
diff --git a/src/p_inter.c b/src/p_inter.c
index 3ece610e7..7f65d2d7a 100644
--- a/src/p_inter.c
+++ b/src/p_inter.c
@@ -2689,7 +2689,6 @@ void P_KillMobj(mobj_t *target, mobj_t *inflictor, mobj_t *source, UINT8 damaget
 					target->flags2 &= ~MF2_STRONGBOX;
 					target->tracer->flags |= MF_PUSHABLE;
 				}
-				P_SetTarget(&target->tracer->tracer, NULL);
 				P_SetTarget(&target->tracer, NULL);
 			}
 			break;