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openttd/src/bitmap_type.h
Jonathan G Rennison 0d4d4a9cac Merge branch 'master' into jgrpp 
# Conflicts:
#	cmake/CompileFlags.cmake
#	src/3rdparty/squirrel/squirrel/sqclosure.h
#	src/3rdparty/squirrel/squirrel/sqobject.h
#	src/3rdparty/squirrel/squirrel/sqvm.h
#	src/aircraft.h
#	src/airport_gui.cpp
#	src/blitter/32bpp_sse_func.hpp
#	src/blitter/null.hpp
#	src/bridge_gui.cpp
#	src/build_vehicle_gui.cpp
#	src/cargotype.h
#	src/cheat_gui.cpp
#	src/command.cpp
#	src/command_func.h
#	src/company_gui.cpp
#	src/console_gui.cpp
#	src/date_gui.cpp
#	src/depot_gui.cpp
#	src/dock_gui.cpp
#	src/economy.cpp
#	src/error_gui.cpp
#	src/fileio.cpp
#	src/fios.cpp
#	src/fios_gui.cpp
#	src/fontcache/spritefontcache.h
#	src/framerate_gui.cpp
#	src/game/game_text.cpp
#	src/gamelog.cpp
#	src/genworld_gui.cpp
#	src/gfx_layout_fallback.cpp
#	src/group_gui.cpp
#	src/highscore_gui.cpp
#	src/hotkeys.cpp
#	src/industry_cmd.cpp
#	src/industry_gui.cpp
#	src/landscape.cpp
#	src/main_gui.cpp
#	src/misc_cmd.cpp
#	src/misc_gui.cpp
#	src/network/core/tcp_game.cpp
#	src/network/core/udp.cpp
#	src/network/network_chat_gui.cpp
#	src/network/network_content_gui.cpp
#	src/network/network_gui.cpp
#	src/network/network_server.cpp
#	src/network/network_server.h
#	src/newgrf_airport.cpp
#	src/newgrf_airport.h
#	src/newgrf_airporttiles.cpp
#	src/newgrf_airporttiles.h
#	src/newgrf_animation_base.h
#	src/newgrf_canal.cpp
#	src/newgrf_commons.h
#	src/newgrf_config.cpp
#	src/newgrf_debug_gui.cpp
#	src/newgrf_engine.cpp
#	src/newgrf_engine.h
#	src/newgrf_generic.cpp
#	src/newgrf_gui.cpp
#	src/newgrf_house.cpp
#	src/newgrf_house.h
#	src/newgrf_industries.cpp
#	src/newgrf_industries.h
#	src/newgrf_industrytiles.cpp
#	src/newgrf_industrytiles.h
#	src/newgrf_object.cpp
#	src/newgrf_object.h
#	src/newgrf_railtype.cpp
#	src/newgrf_railtype.h
#	src/newgrf_roadstop.cpp
#	src/newgrf_roadstop.h
#	src/newgrf_roadtype.cpp
#	src/newgrf_roadtype.h
#	src/newgrf_spritegroup.cpp
#	src/newgrf_spritegroup.h
#	src/newgrf_station.cpp
#	src/newgrf_station.h
#	src/newgrf_town.cpp
#	src/newgrf_town.h
#	src/news_gui.cpp
#	src/object_gui.cpp
#	src/order_gui.cpp
#	src/os/macosx/crashlog_osx.cpp
#	src/os/unix/crashlog_unix.cpp
#	src/os/windows/crashlog_win.cpp
#	src/os/windows/win32.cpp
#	src/os/windows/win32_main.cpp
#	src/pathfinder/npf/npf.cpp
#	src/pathfinder/npf/queue.cpp
#	src/rail_cmd.cpp
#	src/rail_gui.cpp
#	src/road_gui.cpp
#	src/roadveh.h
#	src/saveload/saveload.cpp
#	src/screenshot.cpp
#	src/script/api/script_text.hpp
#	src/settings.cpp
#	src/settings_gui.cpp
#	src/settings_internal.h
#	src/settings_table.cpp
#	src/signs_cmd.cpp
#	src/signs_gui.cpp
#	src/smallmap_gui.cpp
#	src/smallmap_gui.h
#	src/spriteloader/grf.hpp
#	src/station_cmd.cpp
#	src/station_gui.cpp
#	src/station_map.h
#	src/statusbar_gui.cpp
#	src/stdafx.h
#	src/strgen/strgen.cpp
#	src/table/newgrf_debug_data.h
#	src/terraform_gui.cpp
#	src/timer/timer_game_calendar.cpp
#	src/timer/timer_window.cpp
#	src/town.h
#	src/town_cmd.cpp
#	src/town_gui.cpp
#	src/train_gui.cpp
#	src/transparency_gui.cpp
#	src/vehicle_gui.cpp
#	src/water_cmd.cpp
#	src/waypoint_cmd.cpp
#	src/widget.cpp
#	src/widget_type.h
#	src/widgets/dropdown.cpp
#	src/widgets/rail_widget.h
#	src/widgets/terraform_widget.h
#	src/window.cpp
#	src/window_gui.h
2023-11-20 22:27:05 +00:00

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/*
* This file is part of OpenTTD.
* 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.
* 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.
* 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/>.
*/
/** @file bitmap_type.hpp Bitmap functions. */
#ifndef BITMAP_TYPE_HPP
#define BITMAP_TYPE_HPP
#include "tilearea_type.h"
#include <vector>
/** Represents a tile area containing containing individually set tiles.
* Each tile must be contained within the preallocated area.
* A std::vector<bool> is used to mark which tiles are contained.
*/
class BitmapTileArea : public TileArea {
protected:
std::vector<bool> data;
inline uint Index(uint x, uint y) const { return y * this->w + x; }
inline uint Index(TileIndex tile) const { return Index(TileX(tile) - TileX(this->tile), TileY(tile) - TileY(this->tile)); }
public:
BitmapTileArea()
{
this->tile = INVALID_TILE;
this->w = 0;
this->h = 0;
}
BitmapTileArea(const TileArea &ta)
{
this->tile = ta.tile;
this->w = ta.w;
this->h = ta.h;
this->data.resize(Index(this->w, this->h));
}
/**
* Reset and clear the BitmapTileArea.
*/
void Reset()
{
this->tile = INVALID_TILE;
this->w = 0;
this->h = 0;
this->data.clear();
}
/**
* Initialize the BitmapTileArea with the specified Rect.
* @param rect Rect to use.
*/
void Initialize(const Rect &r)
{
this->tile = TileXY(r.left, r.top);
this->w = r.Width();
this->h = r.Height();
this->data.clear();
this->data.resize(Index(w, h));
}
void Initialize(const TileArea &ta)
{
this->tile = ta.tile;
this->w = ta.w;
this->h = ta.h;
this->data.clear();
this->data.resize(Index(w, h));
}
/**
* Add a tile as part of the tile area.
* @param tile Tile to add.
*/
inline void SetTile(TileIndex tile)
{
assert(this->Contains(tile));
this->data[Index(tile)] = true;
}
/**
* Clear a tile from the tile area.
* @param tile Tile to clear
*/
inline void ClrTile(TileIndex tile)
{
assert(this->Contains(tile));
this->data[Index(tile)] = false;
}
/**
* Test if a tile is part of the tile area.
* @param tile Tile to check
*/
inline bool HasTile(TileIndex tile) const
{
return this->Contains(tile) && this->data[Index(tile)];
}
inline bool operator==(const BitmapTileArea &other) const
{
return TileArea::operator==(other) && this->data == other.data;
}
};
/** Iterator to iterate over all tiles belonging to a bitmaptilearea. */
class BitmapTileIterator : public OrthogonalTileIterator {
protected:
const BitmapTileArea *bitmap;
public:
/**
* Construct the iterator.
* @param bitmap BitmapTileArea to iterate.
*/
BitmapTileIterator(const BitmapTileArea &bitmap) : OrthogonalTileIterator(bitmap), bitmap(&bitmap)
{
if (!this->bitmap->HasTile(TileIndex(this->tile))) ++(*this);
}
inline TileIterator& operator ++() override
{
(*this).OrthogonalTileIterator::operator++();
while (this->tile != INVALID_TILE && !this->bitmap->HasTile(TileIndex(this->tile))) {
(*this).OrthogonalTileIterator::operator++();
}
return *this;
}
std::unique_ptr<TileIterator> Clone() const override
{
return std::make_unique<BitmapTileIterator>(*this);
}
};
#endif /* BITMAP_TYPE_HPP */
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