From e1306afbf3f5b63b077b7062f30eab5c062bd1ea Mon Sep 17 00:00:00 2001
From: duncanspumpkin <duncans_pumpkin@hotmail.co.uk>
Date: Fri, 27 May 2016 21:17:55 +0100
Subject: [PATCH] Fix #3717. Tunnels correctly drawn when paths underneath

---
 src/paint/map_element/surface.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/paint/map_element/surface.c b/src/paint/map_element/surface.c
index dd2aab59fb..9fed05acd0 100644
--- a/src/paint/map_element/surface.c
+++ b/src/paint/map_element/surface.c
@@ -644,12 +644,14 @@ void viewport_surface_draw_land_side_bottom(enum edge edge, uint8 height, uint8
 				}
 			}
 
-			sub_98196C(base_image_id, offset.x, offset.y, bounds.x, bounds.y, 15, curHeight * 16, rotation);
+			if (curHeight != RCT2_GLOBAL(tunnelArray, uint8)) {
+				sub_98196C(base_image_id, offset.x, offset.y, bounds.x, bounds.y, 15, curHeight * 16, rotation);
 
-			curHeight++;
-			continue;
+				curHeight++;
+				continue;
+			}
 		}
-
+		
 		// Tunnels
 		uint8 tunnelType = RCT2_GLOBAL(tunnelArray + 1, uint8);
 		uint8 tunnelHeight = stru_97B570[tunnelType][0];