From 36b3c94a39f40ced6b0c3fed7ca40c21a2753a04 Mon Sep 17 00:00:00 2001
From: Holger Schemel <info@artsoft.org>
Date: Tue, 1 Dec 2020 21:22:41 +0100
Subject: [PATCH] fixed activating robot wheel at wrap-around position for EM
 engine

---
 src/game_em/logic.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/game_em/logic.c b/src/game_em/logic.c
index a56547b1..1eaefcfc 100644
--- a/src/game_em/logic.c
+++ b/src/game_em/logic.c
@@ -7768,6 +7768,18 @@ static void logic_players(void)
       next[ply[i].x][ply[i].y] = add_player[element];
     }
   }
+
+  /* check for wheel at wrap-around position */
+  if (lev.wheel_x < lev.left ||
+      lev.wheel_x > lev.right - 1)
+  {
+    int direction = (lev.wheel_x < lev.left ? -1 : 1);
+
+    lev.wheel_x += -direction * lev.width;
+
+    if (!lev.infinite_true)
+      lev.wheel_y += direction;
+  }
 }
 
 static void logic_objects(void)
-- 
2.34.1