49 lines
1.1 KiB
Lua
49 lines
1.1 KiB
Lua
-- This file takes care of the cave shapes.
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noordstar_caves.registered_shapes = {}
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-- Clean the input and return a valid shape def
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-- If the input is invalid, return nil
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local function clean_def(def)
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if type(def.name) ~= "string" then
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return nil
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end
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if type(def.connectivity_point) ~= "number" then
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return nil
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end
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if type(def.verticality_point) ~= "number" then
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return nil
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end
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local d = {
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name = def.name,
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connectivity_point = def.connectivity_point,
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verticality_point = def.verticality_point
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}
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if type(def.noise_params) == "table" then
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d.noise_params = def.noise_params
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end
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if type(def.func) == "function" then
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d.func = def.func
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else
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d.func = function(pos, v) return v end
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end
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if type(def.y_min) == "number" and type(def.y_max) == "number" then
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d.y_min = def.y_min
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d.y_max = def.y_max
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end
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return d
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end
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function noordstar_caves.register_shape(def)
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local d = clean_def(def)
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if d ~= nil then
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noordstar_caves.registered_shapes[d.name] = d
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end
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end
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