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Patric Stout

Doc: update multiplayer documentation with latest changes (#9552)

Although several places were fixed during the PR making the change,
not all made it in this document.

While at it, removed all kinds of Markdown warnings by an excessive
usage of spacebar in this document.

/*
 * 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 heightmap.h Functions related to creating heightmaps from files. */

#ifndef HEIGHTMAP_H
#define HEIGHTMAP_H

#include "fileio_type.h"

/**
 * Order of these enums has to be the same as in lang/english.txt
 * Otherwise you will get inconsistent behaviour.
 */
enum HeightmapRotation {
	HM_COUNTER_CLOCKWISE, ///< Rotate the map counter clockwise 45 degrees
	HM_CLOCKWISE,         ///< Rotate the map clockwise 45 degrees
};

bool GetHeightmapDimensions(DetailedFileType dft, const char *filename, uint *x, uint *y);
void LoadHeightmap(DetailedFileType dft, const char *filename);
void FlatEmptyWorld(byte tile_height);
void FixSlopes();

#endif /* HEIGHTMAP_H */