58 lines
1.5 KiB
Lua
58 lines
1.5 KiB
Lua
xdecor.box = {
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slab_y = function(height, shift)
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return { -0.5, -0.5+(shift or 0), -0.5, 0.5, -0.5+height+(shift or 0), 0.5 }
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end,
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slab_z = function(depth)
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return { -0.5, -0.5, -0.5+depth, 0.5, 0.5, 0.5 }
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end,
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bar_y = function(radius)
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return { -radius, -0.5, -radius, radius, 0.5, radius }
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end,
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cuboid = function(radius_x, radius_y, radius_z)
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return { -radius_x, -radius_y, -radius_z, radius_x, radius_y, radius_z }
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end
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}
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xdecor.nodebox = {
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regular = { type = "regular" },
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null = { type = "fixed", fixed = { 0, 0, 0, 0, 0, 0 } }
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}
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xdecor.pixelbox = function(size, boxes)
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local fixed = {}
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for _, box in pairs(boxes) do
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-- `unpack` has been changed to `table.unpack` in newest Lua versions.
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local x, y, z, w, h, l = unpack(box)
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fixed[#fixed+1] = {
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(x / size) - 0.5,
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(y / size) - 0.5,
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(z / size) - 0.5,
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((x + w) / size) - 0.5,
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((y + h) / size) - 0.5,
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((z + l) / size) - 0.5
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}
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end
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return { type = "fixed", fixed = fixed }
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end
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local mt = {}
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mt.__index = function(table, key)
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local ref = xdecor.box[key]
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local ref_type = type(ref)
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if ref_type == "function" then
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return function(...)
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return { type = "fixed", fixed = ref(...) }
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end
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elseif ref_type == "table" then
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return { type = "fixed", fixed = ref }
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elseif ref_type == "nil" then
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error(key.."could not be found among nodebox presets and functions")
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end
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error("unexpected datatype "..tostring(type(ref)).." while looking for "..key)
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end
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setmetatable(xdecor.nodebox, mt)
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