--- a/projects/openttd_vs80.vcproj	Wed May 07 08:38:56 2008 +0000
+++ b/projects/openttd_vs80.vcproj	Wed May 07 09:07:19 2008 +0000
@@ -1076,6 +1076,10 @@
 				>
 			</File>
 			<File
+				RelativePath=".\..\src\landscape_type.h"
+				>
+			</File>
+			<File
 				RelativePath=".\..\src\livery.h"
 				>
 			</File>
@@ -1528,6 +1532,10 @@
 				>
 			</File>
 			<File
+				RelativePath=".\..\src\transport_type.h"
+				>
+			</File>
+			<File
 				RelativePath=".\..\src\ai\trolly\trolly.h"
 				>
 			</File>

--- a/projects/openttd_vs90.vcproj	Wed May 07 08:38:56 2008 +0000
+++ b/projects/openttd_vs90.vcproj	Wed May 07 09:07:19 2008 +0000
@@ -1073,6 +1073,10 @@
 				>
 			</File>
 			<File
+				RelativePath=".\..\src\landscape_type.h"
+				>
+			</File>
+			<File
 				RelativePath=".\..\src\livery.h"
 				>
 			</File>
@@ -1525,6 +1529,10 @@
 				>
 			</File>
 			<File
+				RelativePath=".\..\src\transport_type.h"
+				>
+			</File>
+			<File
 				RelativePath=".\..\src\ai\trolly\trolly.h"
 				>
 			</File>

--- a/source.list	Wed May 07 08:38:56 2008 +0000
+++ b/source.list	Wed May 07 09:07:19 2008 +0000
@@ -194,6 +194,7 @@
 industry.h
 industry_type.h
 landscape.h
+landscape_type.h
 livery.h
 lzoconf.h
 map_func.h
@@ -307,6 +308,7 @@
 train.h
 transparency.h
 transparency_gui.h
+transport_type.h
 ai/trolly/trolly.h
 tunnelbridge.h
 unmovable.h

--- a/src/bridge_map.h	Wed May 07 08:38:56 2008 +0000
+++ b/src/bridge_map.h	Wed May 07 09:07:19 2008 +0000
@@ -7,10 +7,10 @@
 
 #include "direction_func.h"
 #include "rail_type.h"
+#include "transport_type.h"
 #include "road_map.h"
 #include "bridge.h"
 
-
 /**
  * Checks if this is a bridge, instead of a tunnel
  * @param t The tile to analyze

--- a/src/cargotype.h	Wed May 07 08:38:56 2008 +0000
+++ b/src/cargotype.h	Wed May 07 09:07:19 2008 +0000
@@ -8,6 +8,7 @@
 #include "cargo_type.h"
 #include "gfx_type.h"
 #include "strings_type.h"
+#include "landscape_type.h"
 
 typedef uint32 CargoLabel;
 

--- a/src/genworld_gui.cpp	Wed May 07 08:38:56 2008 +0000
+++ b/src/genworld_gui.cpp	Wed May 07 09:07:19 2008 +0000
@@ -28,6 +28,7 @@
 #include "widgets/dropdown_type.h"
 #include "widgets/dropdown_func.h"
 #include "core/random_func.hpp"
+#include "landscape_type.h"
 
 #include "table/strings.h"
 #include "table/sprites.h"

--- a/src/gfx.cpp	Wed May 07 08:38:56 2008 +0000
+++ b/src/gfx.cpp	Wed May 07 09:07:19 2008 +0000
@@ -18,6 +18,7 @@
 #include "core/math_func.hpp"
 #include "settings_type.h"
 #include "core/alloc_func.hpp"
+#include "landscape_type.h"
 
 #include "table/palettes.h"
 #include "table/sprites.h"

--- a/src/gui.h	Wed May 07 08:38:56 2008 +0000
+++ b/src/gui.h	Wed May 07 09:07:19 2008 +0000
@@ -11,6 +11,7 @@
 #include "economy_type.h"
 #include "tile_type.h"
 #include "strings_type.h"
+#include "transport_type.h"
 
 /* main_gui.cpp */
 void CcPlaySound10(bool success, TileIndex tile, uint32 p1, uint32 p2);

--- a/src/industry.h	Wed May 07 08:38:56 2008 +0000
+++ b/src/industry.h	Wed May 07 09:07:19 2008 +0000
@@ -15,6 +15,7 @@
 #include "date_type.h"
 #include "town_type.h"
 #include "industry_type.h"
+#include "landscape_type.h"
 
 enum {
 	INVALID_INDUSTRY       = 0xFFFF,

--- a/src/landscape.cpp	Wed May 07 08:38:56 2008 +0000
+++ b/src/landscape.cpp	Wed May 07 09:07:19 2008 +0000
@@ -27,6 +27,7 @@
 #include "settings_type.h"
 #include "water.h"
 #include "effectvehicle_func.h"
+#include "landscape_type.h"
 
 #include "table/sprites.h"
 

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/landscape_type.h	Wed May 07 09:07:19 2008 +0000
@@ -0,0 +1,20 @@
+/* $Id$ */
+
+/** @file landscape_type.h Types related to the landscape. */
+
+#ifndef LANDSCAPE_TYPE_H
+#define LANDSCAPE_TYPE_H
+
+typedef byte LandscapeID;
+
+/* Landscape types */
+enum {
+	LT_TEMPERATE  = 0,
+	LT_ARCTIC     = 1,
+	LT_TROPIC     = 2,
+	LT_TOYLAND    = 3,
+
+	NUM_LANDSCAPE = 4,
+};
+
+#endif /* LANDSCAPE_TYPE_H */

--- a/src/network/network.cpp	Wed May 07 08:38:56 2008 +0000
+++ b/src/network/network.cpp	Wed May 07 09:07:19 2008 +0000
@@ -33,6 +33,7 @@
 #include "../string_func.h"
 #include "../player_func.h"
 #include "../settings_type.h"
+#include "../landscape_type.h"
 #include "../rev.h"
 #ifdef DEBUG_DUMP_COMMANDS
 	#include "../core/alloc_func.hpp"

--- a/src/npf.h	Wed May 07 08:38:56 2008 +0000
+++ b/src/npf.h	Wed May 07 09:07:19 2008 +0000
@@ -13,6 +13,7 @@
 #include "tile_type.h"
 #include "track_type.h"
 #include "core/bitmath_func.hpp"
+#include "transport_type.h"
 
 /* mowing grass */
 enum {

--- a/src/openttd.h	Wed May 07 08:38:56 2008 +0000
+++ b/src/openttd.h	Wed May 07 09:07:19 2008 +0000
@@ -9,10 +9,6 @@
 #define VARDEF extern
 #endif
 
-// Forward declarations of structs.
-typedef byte LandscapeID;
-typedef uint16 UnitID;
-
 enum GameModes {
 	GM_MENU,
 	GM_NORMAL,
@@ -48,22 +44,6 @@
 	IG_DATE_RESET = 1,  /* Reset the date when initializing a game */
 };
 
-enum TransportType {
-	/* These constants are for now linked to the representation of bridges
-	 * and tunnels, so they can be used by GetTileTrackStatus_TunnelBridge.
-	 * In an ideal world, these constants would be used everywhere when
-	 * accessing tunnels and bridges. For now, you should just not change
-	 * the values for road and rail.
-	 */
-	TRANSPORT_BEGIN = 0,
-	TRANSPORT_RAIL = TRANSPORT_BEGIN,
-	TRANSPORT_ROAD,
-	TRANSPORT_WATER,
-	TRANSPORT_AIR,
-	TRANSPORT_END,
-	INVALID_TRANSPORT = 0xff,
-};
-
 /* Display Options */
 enum {
 	DO_SHOW_TOWN_NAMES    = 0,
@@ -74,16 +54,6 @@
 	DO_WAYPOINTS          = 6,
 };
 
-/* Landscape types */
-enum {
-	LT_TEMPERATE  = 0,
-	LT_ARCTIC     = 1,
-	LT_TROPIC     = 2,
-	LT_TOYLAND    = 3,
-
-	NUM_LANDSCAPE = 4,
-};
-
 struct ViewportSign {
 	int32 left;
 	int32 top;

--- a/src/settings_type.h	Wed May 07 08:38:56 2008 +0000
+++ b/src/settings_type.h	Wed May 07 09:07:19 2008 +0000
@@ -8,6 +8,7 @@
 #include "yapf/yapf_settings.h"
 #include "date_type.h"
 #include "town_type.h"
+#include "transport_type.h"
 
 #define GAME_DIFFICULTY_NUM 18
 

--- a/src/terraform_gui.cpp	Wed May 07 08:38:56 2008 +0000
+++ b/src/terraform_gui.cpp	Wed May 07 09:07:19 2008 +0000
@@ -23,6 +23,7 @@
 #include "genworld.h"
 #include "settings_type.h"
 #include "tree_map.h"
+#include "landscape_type.h"
 
 #include "table/sprites.h"
 #include "table/strings.h"

--- a/src/tgp.cpp	Wed May 07 08:38:56 2008 +0000
+++ b/src/tgp.cpp	Wed May 07 09:07:19 2008 +0000
@@ -15,6 +15,7 @@
 #include "core/alloc_func.hpp"
 #include "core/random_func.hpp"
 #include "settings_type.h"
+#include "landscape_type.h"
 
 #include "table/strings.h"
 

--- a/src/tile_cmd.h	Wed May 07 08:38:56 2008 +0000
+++ b/src/tile_cmd.h	Wed May 07 09:07:19 2008 +0000
@@ -15,7 +15,7 @@
 #include "player_type.h"
 #include "direction_type.h"
 #include "track_type.h"
-#include "openttd.h"
+#include "transport_type.h"
 
 /** The returned bits of VehicleEnterTile. */
 enum VehicleEnterTileStatus {

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/transport_type.h	Wed May 07 09:07:19 2008 +0000
@@ -0,0 +1,26 @@
+/* $Id$ */
+
+/** @file transport_type.h Base types related to transport. */
+
+#ifndef TRANSPORT_TYPE_H
+#define TRANSPORT_TYPE_H
+
+typedef uint16 UnitID;
+
+enum TransportType {
+	/* These constants are for now linked to the representation of bridges
+	 * and tunnels, so they can be used by GetTileTrackStatus_TunnelBridge.
+	 * In an ideal world, these constants would be used everywhere when
+	 * accessing tunnels and bridges. For now, you should just not change
+	 * the values for road and rail.
+	 */
+	TRANSPORT_BEGIN = 0,
+	TRANSPORT_RAIL = TRANSPORT_BEGIN,
+	TRANSPORT_ROAD,
+	TRANSPORT_WATER,
+	TRANSPORT_AIR,
+	TRANSPORT_END,
+	INVALID_TRANSPORT = 0xff,
+};
+
+#endif /* TRANSPORT_TYPE_H */

--- a/src/tree_cmd.cpp	Wed May 07 08:38:56 2008 +0000
+++ b/src/tree_cmd.cpp	Wed May 07 09:07:19 2008 +0000
@@ -22,6 +22,7 @@
 #include "settings_type.h"
 #include "water_map.h"
 #include "water.h"
+#include "landscape_type.h"
 
 #include "table/strings.h"
 #include "table/sprites.h"

--- a/src/tunnel_map.h	Wed May 07 08:38:56 2008 +0000
+++ b/src/tunnel_map.h	Wed May 07 09:07:19 2008 +0000
@@ -8,6 +8,7 @@
 #include "direction_func.h"
 #include "rail_type.h"
 #include "road_type.h"
+#include "transport_type.h"
 #include "tile_map.h"
 
 

--- a/src/tunnelbridge_cmd.cpp	Wed May 07 08:38:56 2008 +0000
+++ b/src/tunnelbridge_cmd.cpp	Wed May 07 09:07:19 2008 +0000
@@ -39,6 +39,7 @@
 #include "economy_func.h"
 #include "rail.h"
 #include "cheat_func.h"
+#include "landscape_type.h"
 
 #include "table/sprites.h"
 #include "table/strings.h"

--- a/src/tunnelbridge_map.h	Wed May 07 08:38:56 2008 +0000
+++ b/src/tunnelbridge_map.h	Wed May 07 09:07:19 2008 +0000
@@ -10,6 +10,7 @@
 #include "tile_map.h"
 #include "bridge_map.h"
 #include "tunnel_map.h"
+#include "transport_type.h"
 
 
 /**

--- a/src/unmovable_cmd.cpp	Wed May 07 08:38:56 2008 +0000
+++ b/src/unmovable_cmd.cpp	Wed May 07 09:07:19 2008 +0000
@@ -27,6 +27,7 @@
 #include "station_type.h"
 #include "economy_func.h"
 #include "cheat_func.h"
+#include "landscape_type.h"
 
 #include "table/strings.h"
 #include "table/sprites.h"

--- a/src/vehicle_base.h	Wed May 07 08:38:56 2008 +0000
+++ b/src/vehicle_base.h	Wed May 07 09:07:19 2008 +0000
@@ -23,6 +23,7 @@
 #include "group_type.h"
 #include "engine_type.h"
 #include "order_func.h"
+#include "transport_type.h"
 
 /** Road vehicle states */
 enum RoadVehicleStates {

--- a/src/vehicle_func.h	Wed May 07 08:38:56 2008 +0000
+++ b/src/vehicle_func.h	Wed May 07 09:07:19 2008 +0000
@@ -13,6 +13,7 @@
 #include "command_type.h"
 #include "vehicle_type.h"
 #include "engine_type.h"
+#include "transport_type.h"
 
 #define is_custom_sprite(x) (x >= 0xFD)
 #define IS_CUSTOM_FIRSTHEAD_SPRITE(x) (x == 0xFD)