From 459259aeec83dbc11c2647788d82ab5d949038cf Mon Sep 17 00:00:00 2001
From: smatz <smatz@openttd.org>
Date: Wed, 23 Apr 2008 19:47:23 +0000
Subject: (svn r12853) -Fix: catenary on tunnel entrances and middle bridge
 pieces was drawn twice in some cases

---
 src/elrail.cpp           | 15 ++++++---------
 src/rail.h               |  1 +
 src/tunnelbridge_cmd.cpp |  4 +---
 3 files changed, 8 insertions(+), 12 deletions(-)

diff --git a/src/elrail.cpp b/src/elrail.cpp
index 3637f0ba5..a043863b6 100644
--- a/src/elrail.cpp
+++ b/src/elrail.cpp
@@ -377,8 +377,13 @@ static void DrawCatenaryRailway(const TileInfo *ti)
 	}
 }
 
-static void DrawCatenaryOnBridge(const TileInfo *ti)
+void DrawCatenaryOnBridge(const TileInfo *ti)
 {
+	if (_patches.disable_elrails) return;
+
+	/* Do not draw catenary if it is invisible */
+	if (IsInvisibilitySet(TO_CATENARY)) return;
+
 	TileIndex end = GetSouthernBridgeEnd(ti->tile);
 	TileIndex start = GetOtherBridgeEnd(end);
 
@@ -437,14 +442,6 @@ void DrawCatenary(const TileInfo *ti)
 	/* Do not draw catenary if it is invisible */
 	if (IsInvisibilitySet(TO_CATENARY)) return;
 
-	if (MayHaveBridgeAbove(ti->tile) && IsBridgeAbove(ti->tile)) {
-		TileIndex head = GetNorthernBridgeEnd(ti->tile);
-
-		if (GetTunnelBridgeTransportType(head) == TRANSPORT_RAIL && HasCatenary(GetRailType(head))) {
-			DrawCatenaryOnBridge(ti);
-		}
-	}
-
 	switch (GetTileType(ti->tile)) {
 		case MP_RAILWAY:
 			if (IsRailDepot(ti->tile)) {
diff --git a/src/rail.h b/src/rail.h
index 04a712d1c..85c648baa 100644
--- a/src/rail.h
+++ b/src/rail.h
@@ -216,6 +216,7 @@ static inline bool HasCatenary(RailType rt)
  */
 void DrawCatenary(const TileInfo *ti);
 void DrawCatenaryOnTunnel(const TileInfo *ti);
+void DrawCatenaryOnBridge(const TileInfo *ti);
 
 Foundation GetRailFoundation(Slope tileh, TrackBits bits);
 
diff --git a/src/tunnelbridge_cmd.cpp b/src/tunnelbridge_cmd.cpp
index 109f86baf..d95aa9f1c 100644
--- a/src/tunnelbridge_cmd.cpp
+++ b/src/tunnelbridge_cmd.cpp
@@ -886,8 +886,6 @@ static void DrawTile_TunnelBridge(TileInfo *ti)
 				}
 			}
 		} else if (!IsInvisibilitySet(TO_CATENARY) && HasCatenary(GetRailType(ti->tile))) {
-			DrawCatenary(ti);
-
 			catenary = true;
 			StartSpriteCombine();
 			DrawCatenaryOnTunnel(ti);
@@ -1089,7 +1087,7 @@ void DrawBridgeMiddle(const TileInfo* ti)
 			StartSpriteCombine();
 		}
 	} else if (HasCatenary(GetRailType(rampsouth))) {
-		DrawCatenary(ti);
+		DrawCatenaryOnBridge(ti);
 	}
 
 	/* draw roof, the component of the bridge which is logically between the vehicle and the camera */
-- 
cgit v1.2.3-70-g09d2