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@@ -107,6 +107,17 @@ static inline bool IsTileType(TileIndex
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}
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/**
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* Checks if a tile is valid
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*
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* @param tile The tile to check
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* @return True if the tile is on the map and not one of MP_VOID.
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*/
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static inline bool IsValidTile(TileIndex tile)
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{
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return tile < MapSize() && !IsTileType(tile, MP_VOID);
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}
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/**
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* Returns the owner of a tile
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*
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* This function returns the owner of a tile. This cannot used
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@@ -115,14 +126,13 @@ static inline bool IsTileType(TileIndex
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*
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* @param tile The tile to check
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* @return The owner of the tile
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* @pre tile < MapSize()
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* @pre The type of the tile must not be MP_HOUSE, MP_VOID and MP_INDUSTRY
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* @pre IsValidTile(tile)
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* @pre The type of the tile must not be MP_HOUSE and MP_INDUSTRY
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*/
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static inline Owner GetTileOwner(TileIndex tile)
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{
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assert(tile < MapSize());
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assert(IsValidTile(tile));
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assert(!IsTileType(tile, MP_HOUSE));
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assert(!IsTileType(tile, MP_VOID));
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assert(!IsTileType(tile, MP_INDUSTRY));
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return (Owner)_m[tile].m1;
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@@ -136,14 +146,13 @@ static inline Owner GetTileOwner(TileInd
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*
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* @param tile The tile to change the owner status.
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* @param owner The new owner.
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* @pre tile < MapSize()
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* @pre The type of the tile must not be MP_HOUSE, MP_VOID and MP_INDUSTRY
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* @pre IsValidTile(tile)
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* @pre The type of the tile must not be MP_HOUSE and MP_INDUSTRY
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*/
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static inline void SetTileOwner(TileIndex tile, Owner owner)
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{
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assert(tile < MapSize());
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assert(IsValidTile(tile));
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assert(!IsTileType(tile, MP_HOUSE));
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assert(!IsTileType(tile, MP_VOID));
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assert(!IsTileType(tile, MP_INDUSTRY));
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_m[tile].m1 = owner;
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@@ -165,7 +174,7 @@ static inline bool IsTileOwner(TileIndex
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* Set the tropic zone
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* @param tile the tile to set the zone of
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* @param type the new type
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* @pre assert(tile < MapSize());
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* @pre tile < MapSize()
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*/
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static inline void SetTropicZone(TileIndex tile, TropicZone type)
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{
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@@ -176,7 +185,7 @@ static inline void SetTropicZone(TileInd
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/**
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* Get the tropic zone
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* @param tile the tile to get the zone of
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* @pre assert(tile < MapSize());
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* @pre tile < MapSize()
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* @return the zone type
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*/
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static inline TropicZone GetTropicZone(TileIndex tile)
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