45 lines
1.7 KiB
Lua
45 lines
1.7 KiB
Lua
-- Arguments
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-- util: API for uncategorized utility methods
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local util = ...;
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local biome_lookup = {};
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-- Contains functions for registering and getting biome-related mapping information
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return {
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-- Register a biome with textures to display
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--
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-- name: A string containing the biome name
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-- textures: A table of texture names.
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-- These should correspond with detail levels,
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-- any detail level past the length of the table will return the last texture
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-- (Optional) min_height: The minimum Y position where this biome data should be used
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-- (Optional) max_height: The maximum Y position where this biome data should be used
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add = function (name, textures, min_height, max_height)
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biome_lookup[#biome_lookup + 1] = {
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name = name,
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textures = textures,
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min_height = min_height,
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max_height = max_height,
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};
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end,
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-- Get the texture name (minus index/extension) for the given biome, height, and detail level.
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--
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-- name: A string containing the biome name
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-- height: A number representing the Y position of the biome
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-- detail: The detail level
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--
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-- Returns a string with a texture name, or nil if no matching biome entry was found.
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get_texture = function (name, height, detail)
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for _,biome in ipairs(biome_lookup) do
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local matches_height = (not biome.min_height or height >= biome.min_height)
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and (not biome.max_height or height <= biome.max_height);
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if biome.name == name and matches_height then
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return util.get_clamped(biome.textures, detail);
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end
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end
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return nil;
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end,
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};
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