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Add setting for width of dynamic snowline range for arctic tree placement

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Default: 75%
This commit is contained in:
Jonathan G Rennison
2022-05-01 00:41:08 +01:00
parent c183f07c15
commit 452d22ce37
7 changed files with 43 additions and 8 deletions
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6
src/landscape.cpp
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@@ -105,6 +105,8 @@ static bool _is_main_river = false;
byte _cached_snowline = 0;
byte _cached_highest_snowline = 0;
byte _cached_lowest_snowline = 0;
byte _cached_tree_placement_highest_snowline = 0;
byte _cached_tree_placement_lowest_snowline = 0;
/**
* Map 2D viewport or smallmap coordinate to 3D world or tile coordinate.
@@ -687,6 +689,10 @@ void UpdateCachedSnowLineBounds()
{
_cached_highest_snowline = _snow_line == nullptr ? _settings_game.game_creation.snow_line_height : _snow_line->highest_value;
_cached_lowest_snowline = _snow_line == nullptr ? _settings_game.game_creation.snow_line_height : _snow_line->lowest_value;
uint snowline_delta = (((100 - _settings_game.construction.trees_around_snow_line_dynamic_range) * (HighestSnowLine() - LowestSnowLine())) + 50) / 100;
_cached_tree_placement_highest_snowline = HighestSnowLine() - ((snowline_delta + 1) / 2);
_cached_tree_placement_lowest_snowline = LowestSnowLine() + (snowline_delta / 2);
}
/**