mirror of
https://github.com/JGRennison/OpenTTD-patches.git
synced 2024-11-09 19:10:38 +00:00
68ff3fd062
This to prevent compilation issues between runs with and without precompiled headers. Also remove the headers from the rest of the code base as they are not needed there anymore, although they do relatively little harm.
135 lines
3.3 KiB
C++
135 lines
3.3 KiB
C++
/*
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* This file is part of OpenTTD.
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* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
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* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file bitmap_type.hpp Bitmap functions. */
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#ifndef BITMAP_TYPE_HPP
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#define BITMAP_TYPE_HPP
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/** Represents a tile area containing containing individually set tiles.
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* Each tile must be contained within the preallocated area.
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* A std::vector<bool> is used to mark which tiles are contained.
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*/
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class BitmapTileArea : public TileArea {
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protected:
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std::vector<bool> data;
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inline uint Index(uint x, uint y) const { return y * this->w + x; }
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inline uint Index(TileIndex tile) const { return Index(TileX(tile) - TileX(this->tile), TileY(tile) - TileY(this->tile)); }
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public:
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BitmapTileArea()
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{
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this->tile = INVALID_TILE;
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this->w = 0;
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this->h = 0;
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}
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BitmapTileArea(const TileArea &ta)
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{
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this->tile = ta.tile;
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this->w = ta.w;
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this->h = ta.h;
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this->data.resize(Index(this->w, this->h));
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}
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/**
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* Reset and clear the BitmapTileArea.
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*/
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void Reset()
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{
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this->tile = INVALID_TILE;
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this->w = 0;
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this->h = 0;
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this->data.clear();
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}
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/**
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* Initialize the BitmapTileArea with the specified Rect.
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* @param rect Rect to use.
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*/
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void Initialize(const Rect &r)
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{
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this->tile = TileXY(r.left, r.top);
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this->w = r.Width();
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this->h = r.Height();
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this->data.clear();
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this->data.resize(Index(w, h));
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}
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void Initialize(const TileArea &ta)
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{
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this->tile = ta.tile;
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this->w = ta.w;
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this->h = ta.h;
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this->data.clear();
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this->data.resize(Index(w, h));
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}
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/**
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* Add a tile as part of the tile area.
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* @param tile Tile to add.
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*/
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inline void SetTile(TileIndex tile)
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{
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assert(this->Contains(tile));
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this->data[Index(tile)] = true;
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}
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/**
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* Clear a tile from the tile area.
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* @param tile Tile to clear
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*/
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inline void ClrTile(TileIndex tile)
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{
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assert(this->Contains(tile));
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this->data[Index(tile)] = false;
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}
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/**
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* Test if a tile is part of the tile area.
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* @param tile Tile to check
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*/
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inline bool HasTile(TileIndex tile) const
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{
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return this->Contains(tile) && this->data[Index(tile)];
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}
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};
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/** Iterator to iterate over all tiles belonging to a bitmaptilearea. */
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class BitmapTileIterator : public OrthogonalTileIterator {
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protected:
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const BitmapTileArea *bitmap;
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public:
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/**
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* Construct the iterator.
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* @param bitmap BitmapTileArea to iterate.
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*/
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BitmapTileIterator(const BitmapTileArea &bitmap) : OrthogonalTileIterator(bitmap), bitmap(&bitmap)
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{
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if (!this->bitmap->HasTile(TileIndex(this->tile))) ++(*this);
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}
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inline TileIterator& operator ++()
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{
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(*this).OrthogonalTileIterator::operator++();
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while (this->tile != INVALID_TILE && !this->bitmap->HasTile(TileIndex(this->tile))) {
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(*this).OrthogonalTileIterator::operator++();
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}
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return *this;
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}
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virtual std::unique_ptr<TileIterator> Clone() const
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{
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return std::make_unique<BitmapTileIterator>(*this);
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}
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};
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#endif /* BITMAP_TYPE_HPP */
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