#include "../viewport_func.h"

#include "../gfx_func.h"

#include "../company_base.h"

#include "../town.h"

#include "saveload.h"

extern TileIndex _cur_tileloop_tile;

/* Keep track of current game position */

int _saved_scrollpos_x;

int _saved_scrollpos_y;

void SaveViewportBeforeSaveGame()

{

	const Window *w = FindWindowById(WC_MAIN_WINDOW, 0);

	if (w != NULL) {

		_saved_scrollpos_x = w->viewport->scrollpos_x;

		_saved_scrollpos_y = w->viewport->scrollpos_y;

		_saved_scrollpos_zoom = w->viewport->zoom;

	}

}

void ResetViewportAfterLoadGame()

{

	Window *w = FindWindowById(WC_MAIN_WINDOW, 0);

	w->viewport->scrollpos_x = _saved_scrollpos_x;

	w->viewport->scrollpos_y = _saved_scrollpos_y;

	w->viewport->dest_scrollpos_x = _saved_scrollpos_x;

	w->viewport->dest_scrollpos_y = _saved_scrollpos_y;

	ViewPort *vp = w->viewport;

	vp->virtual_width = ScaleByZoom(vp->width, vp->zoom);

	vp->virtual_height = ScaleByZoom(vp->height, vp->zoom);

	DoZoomInOutWindow(ZOOM_NONE, w); // update button status

	MarkWholeScreenDirty();

}

static const SaveLoadGlobVarList _date_desc[] = {

	SLEG_CONDVAR(_date,                   SLE_FILE_U16 | SLE_VAR_I32,  0,  30),

	SLEG_CONDVAR(_date,                   SLE_INT32,                  31, SL_MAX_VERSION),

	    SLEG_VAR(_date_fract,             SLE_UINT16),

void SaveViewportBeforeSaveGame();

void ResetViewportAfterLoadGame();

void ConvertOldMultiheadToNew();

void ConnectMultiheadedTrains();

Engine *GetTempDataEngine(EngineID index);

void CopyTempEngineData();

extern int32 _saved_scrollpos_x;

extern int32 _saved_scrollpos_y;

extern SavegameType _savegame_type;

extern uint32 _ttdp_version;

CompanyManagerFace ConvertFromOldCompanyManagerFace(uint32 face);

Order UnpackOldOrder(uint16 packed);

#endif /* SAVELOAD_INTERNAL_H */

#include "vehicle_func.h"

#include "company_func.h"

#include "waypoint_func.h"

#include "window_func.h"

#include "tilehighlight_func.h"

#include "window_gui.h"

#include "table/sprites.h"

#include "table/strings.h"

PlaceProc *_place_proc;

Point _tile_fract_coords;

struct StringSpriteToDraw {

	StringID string;

	Colours colour;

	int32 x;

	int32 y;

	uint64 params[2];

	uint16 width;

};

struct TileSpriteToDraw {

	SpriteID image;

 * 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 zoom_func.h Functions related to zooming. */

#ifndef ZOOM_FUNC_H

#define ZOOM_FUNC_H

#include "zoom_type.h"

/**

 * Scale by zoom level, usually shift left (when zoom > ZOOM_LVL_NORMAL)

 * When shifting right, value is rounded up

 * @param value value to shift

 * @param zoom  zoom level to shift to

 * @return shifted value

 */

static inline int ScaleByZoom(int value, ZoomLevel zoom)

{

	if (zoom == ZOOM_LVL_NORMAL) return value;

	int izoom = zoom - ZOOM_LVL_NORMAL;

	return (zoom > ZOOM_LVL_NORMAL) ? value << izoom : (value + (1 << -izoom) - 1) >> -izoom;

	ZOOM_LVL_SHIP     = ZOOM_LVL_NORMAL,

	ZOOM_LVL_TRAIN    = ZOOM_LVL_NORMAL,

	ZOOM_LVL_ROADVEH  = ZOOM_LVL_NORMAL,

	ZOOM_LVL_WORLD_SCREENSHOT = ZOOM_LVL_NORMAL,

	ZOOM_LVL_DETAIL   = ZOOM_LVL_OUT_2X, ///< All zoomlevels below or equal to this, will result in details on the screen, like road-work, ...

	ZOOM_LVL_MIN      = ZOOM_LVL_NORMAL,

	ZOOM_LVL_MAX      = ZOOM_LVL_OUT_8X,

};

DECLARE_POSTFIX_INCREMENT(ZoomLevel)

#endif /* ZOOM_TYPE_H */