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/* $Id$ */
/*
* 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 tilehighlight_type.h Types related to highlighting tiles. */
#ifndef TILEHIGHLIGHT_TYPE_H
#define TILEHIGHLIGHT_TYPE_H
#include "core/geometry_type.hpp"
#include "window_type.h"
#include "tile_type.h"
#include "viewport_type.h"
/** Highlighting draw styles */
enum HighLightStyle {
HT_NONE = 0x000, ///< default
HT_RECT = 0x010, ///< rectangle (stations, depots, ...)
HT_POINT = 0x020, ///< point (lower land, raise land, level land, ...)
HT_SPECIAL = 0x030, ///< special mode used for highlighting while dragging (and for tunnels/docks)
HT_DRAG = 0x040, ///< dragging items in the depot windows
HT_LINE = 0x008, ///< used for autorail highlighting (longer stretches), lower bits: direction
HT_RAIL = 0x080, ///< autorail (one piece), lower bits: direction
HT_VEHICLE = 0x100, ///< vehicle is accepted as target as well (bitmask)
HT_DIAGONAL = 0x200, ///< Also allow 'diagonal rectangles'. Only usable in combination with #HT_RECT or #HT_POINT.
HT_POLY = 0x400, ///< polyline mode; connect highlighted track with previous one
HT_DRAG_MASK = 0x0F8, ///< Mask for the tile drag-type modes.
/* lower bits (used with HT_LINE and HT_RAIL):
* (see ASCII art in table/autorail.h for a visual interpretation) */
HT_DIR_X = 0, ///< X direction
HT_DIR_Y = 1, ///< Y direction
HT_DIR_HU = 2, ///< horizontal upper
HT_DIR_HL = 3, ///< horizontal lower
HT_DIR_VL = 4, ///< vertical left
HT_DIR_VR = 5, ///< vertical right
HT_DIR_END, ///< end marker
HT_DIR_MASK = 0x7, ///< masks the drag-direction
};
DECLARE_ENUM_AS_BIT_SET(HighLightStyle)
/** Metadata about the current highlighting. */
struct TileHighlightData {
Point pos; ///< Location, in tile "units", of the northern tile of the selected area.
Point size; ///< Size, in tile "units", of the white/red selection area.
Point offs; ///< Offset, in tile "units", for the blue coverage area from the selected area's northern tile.
Point outersize; ///< Size, in tile "units", of the blue coverage area excluding the side of the selected area.
bool diagonal; ///< Whether the dragged area is a 45 degrees rotated rectangle.
Point new_pos; ///< New value for \a pos; used to determine whether to redraw the selection.
Point new_size; ///< New value for \a size; used to determine whether to redraw the selection.
Point new_outersize; ///< New value for \a outersize; used to determine whether to redraw the selection.
byte dirty; ///< Whether the build station window needs to redraw due to the changed selection.
Point selstart; ///< The location where the dragging started.
Point selend; ///< The location where the drag currently ends.
byte sizelimit; ///< Whether the selection is limited in length, and what the maximum length is.
HighLightStyle drawstyle; ///< Lower bits 0-3 are reserved for detailed highlight information.
HighLightStyle next_drawstyle; ///< Queued, but not yet drawn style.
HighLightStyle place_mode; ///< Method which is used to place the selection.
WindowClass window_class; ///< The \c WindowClass of the window that is responsible for the selection mode.
WindowNumber window_number; ///< The \c WindowNumber of the window that is responsible for the selection mode.
bool make_square_red; ///< Whether to give a tile a red selection.
TileIndex redsq; ///< The tile that has to get a red selection.
ViewportPlaceMethod select_method; ///< The method which governs how tiles are selected.
ViewportDragDropSelectionProcess select_proc; ///< The procedure that has to be called when the selection is done.
void Reset();
bool IsDraggingDiagonal();
Window *GetCallbackWnd();
};
#endif /* TILEHIGHLIGHT_TYPE_H */
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