(svn r22413) -Document: even more stuff

src/tunnelbridge_cmd.cpp

@@ -89,6 +89,12 @@ int CalcBridgeLenCostFactor(int length)
 	}
 }
 
+/**
+ * Get the foundation for a bridge.
+ * @param tileh The slope to build the bridge on.
+ * @param axis The axis of the bridge entrace.
+ * @return The foundatiton required.
+ */
 Foundation GetBridgeFoundation(Slope tileh, Axis axis)
 {
 	if (tileh == SLOPE_FLAT ||
@@ -1208,7 +1214,10 @@ static BridgePieces CalcBridgePiece(uint north, uint south)
 	}
 }
 
-
+/**
+ * Draw the middle bits of a bridge.
+ * @param ti Tile information of the tile to draw it on.
+ */
 void DrawBridgeMiddle(const TileInfo *ti)
 {
 	/* Sectional view of bridge bounding boxes: