47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
/* $Id$ */
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/** @file heightmap.h Functions related to creating heightmaps from files. */
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#ifndef HEIGHTMAP_H
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#define HEIGHTMAP_H
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/*
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* Order of these enums has to be the same as in lang/english.txt
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* Otherwise you will get inconsistent behaviour.
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*/
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enum {
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HM_COUNTER_CLOCKWISE, ///< Rotate the map counter clockwise 45 degrees
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HM_CLOCKWISE, ///< Rotate the map clockwise 45 degrees
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};
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/**
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* Get the dimensions of a heightmap.
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* @param filename to query
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* @param x dimension x
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* @param y dimension y
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* @return Returns false if loading of the image failed.
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*/
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bool GetHeightmapDimensions(char *filename, uint *x, uint *y);
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/**
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* Load a heightmap from file and change the map in his current dimensions
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* to a landscape representing the heightmap.
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* It converts pixels to height. The brighter, the higher.
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* @param filename of the heighmap file to be imported
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*/
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void LoadHeightmap(char *filename);
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/**
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* Make an empty world where all tiles are of height 'tile_height'.
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* @param tile_height of the desired new empty world
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*/
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void FlatEmptyWorld(byte tile_height);
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/**
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* This function takes care of the fact that land in OpenTTD can never differ
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* more than 1 in height
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*/
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void FixSlopes();
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#endif /* HEIGHTMAP_H */
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