(svn r13016) -Codechange: unify the detection if rail catenary should be drawn

1 files changed, 42 insertions, 0 deletions

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 */