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@@ -505,25 +505,25 @@ static void HeightMapAdjustWaterLevel(am
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static double perlin_coast_noise_2D(const double x, const double y, const double p, const int prime);
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/**
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* This routine sculpts in from the edge a random amount, again a Perlin
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* sequence, to avoid the rigid flat-edge slopes that were present before. The
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* Perlin noise map doesnt know where we are going to slice across, and so we
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* often cut straight through high terrain. the smoothing routine makes it
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* legal, gradually increasing up from the edge to the original terrain height.
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* By cutting parts of this away, it gives a far more irregular edge to the
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* map-edge. Sometimes it works beautifully with the existing sea & lakes, and
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* creates a very realistic coastline. Other times the variation is less, and
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* the map-edge shows its cliff-like roots.
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*
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* This routine may be extended to randomly sculpt the height of the terrain
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* near the edge. This will have the coast edge at low level (1-3), rising in
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* smoothed steps inland to about 15 tiles in. This should make it look as
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* though the map has been built for the map size, rather than a slice through
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* a larger map.
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*
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* Please note that all the small numbers; 53, 101, 167, etc. are small primes
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* to help give the perlin noise a bit more of a random feel.
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*/
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* This routine sculpts in from the edge a random amount, again a Perlin
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* sequence, to avoid the rigid flat-edge slopes that were present before. The
|
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|
* Perlin noise map doesnt know where we are going to slice across, and so we
|
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* often cut straight through high terrain. the smoothing routine makes it
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* legal, gradually increasing up from the edge to the original terrain height.
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* By cutting parts of this away, it gives a far more irregular edge to the
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* map-edge. Sometimes it works beautifully with the existing sea & lakes, and
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* creates a very realistic coastline. Other times the variation is less, and
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* the map-edge shows its cliff-like roots.
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*
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* This routine may be extended to randomly sculpt the height of the terrain
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* near the edge. This will have the coast edge at low level (1-3), rising in
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|
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* smoothed steps inland to about 15 tiles in. This should make it look as
|
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* though the map has been built for the map size, rather than a slice through
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* a larger map.
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*
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* Please note that all the small numbers; 53, 101, 167, etc. are small primes
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* to help give the perlin noise a bit more of a random feel.
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*/
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static void HeightMapCoastLines(void)
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{
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int smallest_size = min(_patches.map_x, _patches.map_y);
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@@ -626,12 +626,12 @@ static void HeightMapSmoothCoasts(void)
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}
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/**
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* This routine provides the essential cleanup necessary before OTTD can
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* display the terrain. When generated, the terrain heights can jump more than
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* one level between tiles. This routine smooths out those differences so that
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* the most it can change is one level. When OTTD can support cliffs, this
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* routine may not be necessary.
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*/
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* This routine provides the essential cleanup necessary before OTTD can
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* display the terrain. When generated, the terrain heights can jump more than
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* one level between tiles. This routine smooths out those differences so that
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* the most it can change is one level. When OTTD can support cliffs, this
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* routine may not be necessary.
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*/
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static void HeightMapSmoothSlopes(height_t dh_max)
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{
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int x, y;
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