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@@ -35,6 +35,15 @@ extern TileExtended *_me;
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* Size related data of the map.
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*/
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struct Map {
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private:
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static uint log_x; ///< 2^_map_log_x == _map_size_x
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static uint log_y; ///< 2^_map_log_y == _map_size_y
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static uint size_x; ///< Size of the map along the X
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static uint size_y; ///< Size of the map along the Y
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static uint size; ///< The number of tiles on the map
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static uint tile_mask; ///< _map_size - 1 (to mask the mapsize)
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public:
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static void Allocate(uint size_x, uint size_y);
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/**
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@@ -44,8 +53,7 @@ struct Map {
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*/
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static inline uint LogX()
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{
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extern uint _map_log_x;
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return _map_log_x;
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return Map::log_x;
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}
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/**
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@@ -55,8 +63,7 @@ struct Map {
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*/
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static inline uint LogY()
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{
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extern uint _map_log_y;
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return _map_log_y;
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return Map::log_y;
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}
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/**
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@@ -65,8 +72,7 @@ struct Map {
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*/
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static inline uint SizeX()
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{
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extern uint _map_size_x;
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return _map_size_x;
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return Map::size_x;
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}
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/**
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@@ -75,8 +81,7 @@ struct Map {
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*/
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static inline uint SizeY()
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{
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extern uint _map_size_y;
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return _map_size_y;
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return Map::size_y;
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}
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/**
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@@ -85,8 +90,7 @@ struct Map {
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*/
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static inline uint Size()
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{
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extern uint _map_size;
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return _map_size;
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return Map::size;
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}
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/**
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@@ -115,8 +119,7 @@ struct Map {
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*/
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static inline TileIndex WrapToMap(uint tile)
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{
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extern uint _map_tile_mask;
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return tile & _map_tile_mask;
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return tile & Map::tile_mask;
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}
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/**
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@@ -145,10 +148,18 @@ struct Map {
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* just half of it. */
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return CeilDiv((n << Map::LogX()) + (n << Map::LogY()), 1 << 9);
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}
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/**
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* Check whether the map has been initialized, as to not try to save the map
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* during crashlog when the map is not there yet.
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* @return true when the map has been allocated/initialized.
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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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}
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};
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static inline void AllocateMap(uint size_x, uint size_y) { Map::Allocate(size_x, size_y); }
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/**
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* An offset value between two tiles.
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*
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