From 386a3f1d208a67af646da9a0bedba375858f822c Mon Sep 17 00:00:00 2001
From: smatz <smatz@openttd.org>
Date: Thu, 8 May 2008 16:48:29 +0000
Subject: (svn r13016) -Codechange: unify the detection if rail catenary should
 be drawn

---
 src/elrail_func.h | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 src/elrail_func.h

(limited to 'src/elrail_func.h')

diff --git a/src/elrail_func.h b/src/elrail_func.h
new file mode 100644
index 000000000..c65be6fa5
--- /dev/null
+++ b/src/elrail_func.h
@@ -0,0 +1,42 @@
+/* $Id$ */
+
+/** @file elrail_func.h header file for electrified rail specific functions */
+
+#ifndef ELRAIL_FUNC_H
+#define ELRAIL_FUNC_H
+
+#include "rail.h"
+#include "transparency.h"
+#include "tile_cmd.h"
+#include "settings_type.h"
+
+/**
+ * Test if a rail type has catenary
+ * @param rt Rail type to test
+ */
+static inline bool HasCatenary(RailType rt)
+{
+	return HasBit(GetRailTypeInfo(rt)->flags, RTF_CATENARY);
+}
+
+/**
+ * Test if we should draw rail catenary
+ * @param rt Rail type to test
+ */
+static inline bool HasCatenaryDrawn(RailType rt)
+{
+	return HasCatenary(rt) && !IsInvisibilitySet(TO_CATENARY) && !_patches.disable_elrails;
+}
+
+/**
+ * Draws overhead wires and pylons for electric railways.
+ * @param ti The TileInfo struct of the tile being drawn
+ * @see DrawCatenaryRailway
+ */
+void DrawCatenary(const TileInfo *ti);
+void DrawCatenaryOnTunnel(const TileInfo *ti);
+void DrawCatenaryOnBridge(const TileInfo *ti);
+
+int32 SettingsDisableElrail(int32 p1); ///< _patches.disable_elrail callback
+
+#endif /* ELRAIL_FUNC_H */
-- 
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