From db3ee34b4468aa3448b64e339258760885c5d716 Mon Sep 17 00:00:00 2001
From: Yexo <yexo@openttd.org>
Date: Wed, 21 Jan 2009 02:31:55 +0000
Subject: (svn r15190) -Feature: Allow terraforming of the tiles at the edges
 of the map.

---
 src/clear_cmd.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'src/clear_cmd.cpp')

diff --git a/src/clear_cmd.cpp b/src/clear_cmd.cpp
index 8e55ce4c0..81d45bbaa 100644
--- a/src/clear_cmd.cpp
+++ b/src/clear_cmd.cpp
@@ -18,6 +18,7 @@
 #include "economy_func.h"
 #include "viewport_func.h"
 #include "settings_type.h"
+#include "water.h"
 
 #include "table/strings.h"
 #include "table/sprites.h"
@@ -216,6 +217,16 @@ static void TileLoopClearDesert(TileIndex tile)
 
 static void TileLoop_Clear(TileIndex tile)
 {
+	/* If the tile is at any edge flood it to prevent maps without water. */
+	if (_settings_game.construction.freeform_edges && DistanceFromEdge(tile) == 1) {
+		uint z;
+		Slope slope = GetTileSlope(tile, &z);
+		if (z == 0 && slope == SLOPE_FLAT) {
+			DoFloodTile(tile);
+			MarkTileDirtyByTile(tile);
+			return;
+		}
+	}
 	TileLoopClearHelper(tile);
 
 	switch (_settings_game.game_creation.landscape) {
-- 
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