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@ -15,22 +15,6 @@
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#include "map_type.h"
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#include "direction_func.h"
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/**
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* Pointer to the tile-array.
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*
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* This variable points to the tile-array which contains the tiles of
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* the map.
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*/
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extern TileBase *_m;
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/**
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* Pointer to the extended tile-array.
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*
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* This variable points to the extended tile-array which contains the tiles
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* of the map.
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*/
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extern TileExtended *_me;
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/**
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* Wrapper class to abstract away the way the tiles are stored. It is
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* intended to be used to access the "map" data of a single tile.
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@ -40,6 +24,36 @@ extern TileExtended *_me;
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*/
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class Tile {
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private:
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friend struct Map;
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/**
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* Data that is stored per tile. Also used TileExtended for this.
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* Look at docs/landscape.html for the exact meaning of the members.
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*/
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struct TileBase {
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byte type; ///< The type (bits 4..7), bridges (2..3), rainforest/desert (0..1)
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byte height; ///< The height of the northern corner.
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uint16 m2; ///< Primarily used for indices to towns, industries and stations
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byte m1; ///< Primarily used for ownership information
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byte m3; ///< General purpose
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byte m4; ///< General purpose
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byte m5; ///< General purpose
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};
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static_assert(sizeof(TileBase) == 8);
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/**
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* Data that is stored per tile. Also used TileBase for this.
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* Look at docs/landscape.html for the exact meaning of the members.
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*/
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struct TileExtended {
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byte m6; ///< General purpose
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byte m7; ///< Primarily used for newgrf support
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uint16 m8; ///< General purpose
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};
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static TileBase *base_tiles; ///< Pointer to the tile-array.
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static TileExtended *extended_tiles; ///< Pointer to the extended tile-array.
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TileIndex tile; ///< The tile to access the map data for.
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public:
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@ -74,7 +88,7 @@ public:
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*/
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debug_inline byte &type()
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{
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return _m[tile].type;
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return base_tiles[tile].type;
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}
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/**
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@ -86,7 +100,7 @@ public:
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*/
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debug_inline byte &height()
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{
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return _m[tile].height;
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return base_tiles[tile].height;
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}
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/**
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@ -98,7 +112,7 @@ public:
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*/
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debug_inline byte &m1()
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{
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return _m[tile].m1;
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return base_tiles[tile].m1;
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}
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/**
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@ -110,7 +124,7 @@ public:
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*/
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debug_inline uint16 &m2()
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{
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return _m[tile].m2;
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return base_tiles[tile].m2;
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}
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/**
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@ -122,7 +136,7 @@ public:
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*/
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debug_inline byte &m3()
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{
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return _m[tile].m3;
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return base_tiles[tile].m3;
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}
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/**
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@ -134,7 +148,7 @@ public:
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*/
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debug_inline byte &m4()
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{
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return _m[tile].m4;
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return base_tiles[tile].m4;
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}
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/**
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@ -146,7 +160,7 @@ public:
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*/
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debug_inline byte &m5()
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{
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return _m[tile].m5;
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return base_tiles[tile].m5;
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}
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/**
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@ -158,7 +172,7 @@ public:
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*/
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debug_inline byte &m6()
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{
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return _me[tile].m6;
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return extended_tiles[tile].m6;
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}
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/**
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@ -170,7 +184,7 @@ public:
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*/
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debug_inline byte &m7()
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{
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return _me[tile].m7;
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return extended_tiles[tile].m7;
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}
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/**
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@ -182,7 +196,7 @@ public:
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*/
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debug_inline uint16 &m8()
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{
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return _me[tile].m8;
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return extended_tiles[tile].m8;
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}
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};
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@ -339,7 +353,7 @@ public:
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*/
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static bool IsInitialized()
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{
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return _m != nullptr;
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return Tile::base_tiles != nullptr;
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}
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/**
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