commit 2d6b1a9263855eb78d5dcd35feeab36bb4c1f0f9
Author:     Simon Howard <fraggle@gmail.com>
AuthorDate: Sat Oct 26 20:50:55 2013 +0000
Commit:     Simon Howard <fraggle@gmail.com>
CommitDate: Sat Oct 26 20:50:55 2013 +0000

    Don't crash Heretic in A_SkullPop() if a player is gibbed and respawns
    before the head separates from the body (thanks Tumlee).

    Subversion-branch: /branches/v2-branch
    Subversion-revision: 2720
---
 src/heretic/p_enemy.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/heretic/p_enemy.c b/src/heretic/p_enemy.c
index d569c78e..c2864668 100644
--- a/src/heretic/p_enemy.c
+++ b/src/heretic/p_enemy.c
@@ -2567,9 +2567,17 @@ void A_SkullPop(mobj_t * actor)
     mo->player = player;
     mo->health = actor->health;
     mo->angle = actor->angle;
-    player->mo = mo;
-    player->lookdir = 0;
-    player->damagecount = 32;
+
+    // fraggle: This check wasn't originally here in the Vanilla Heretic
+    // source, causing crashes if the player respawns before this
+    // function is called.
+
+    if (player != NULL)
+    {
+        player->mo = mo;
+        player->lookdir = 0;
+        player->damagecount = 32;
+    }
 }

 //----------------------------------------------------------------------------