51 lines
1.7 KiB
Lua
51 lines
1.7 KiB
Lua
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--- sorts the position by ascending order
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-- @param pos1 @{node_pos} the first position
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-- @param pos2 @{node_pos} the second position
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-- @return @{node_pos} the lower position
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-- @return @{node_pos} the upper position
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function pick_and_place.sort_pos(pos1, pos2)
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pos1 = {x=pos1.x, y=pos1.y, z=pos1.z}
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pos2 = {x=pos2.x, y=pos2.y, z=pos2.z}
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if pos1.x > pos2.x then
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pos2.x, pos1.x = pos1.x, pos2.x
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end
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if pos1.y > pos2.y then
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pos2.y, pos1.y = pos1.y, pos2.y
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end
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if pos1.z > pos2.z then
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pos2.z, pos1.z = pos1.z, pos2.z
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end
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return pos1, pos2
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end
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function pick_and_place.get_formatted_size(pos1, pos2)
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pos2 = pos2 or pos1
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pos1, pos2 = pick_and_place.sort_pos(pos1, pos2)
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return minetest.pos_to_string(vector.add(vector.subtract(pos2, pos1), 1))
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end
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function pick_and_place.create_id()
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local template = "xxxxxx"
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return string.gsub(template, '[x]', function ()
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return string.format('%x', math.random(0, 0xf))
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end)
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end
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-- returns the outer corners for the handle nodes
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function pick_and_place.get_outer_corners(pos1, pos2)
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pos1, pos2 = pick_and_place.sort_pos(pos1, pos2)
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pos1 = vector.subtract(pos1, 1)
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pos2 = vector.add(pos2, 1)
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return {
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{ x=pos1.x, y=pos1.y, z=pos1.z },
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{ x=pos1.x, y=pos1.y, z=pos2.z },
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{ x=pos1.x, y=pos2.y, z=pos1.z },
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{ x=pos1.x, y=pos2.y, z=pos2.z },
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{ x=pos2.x, y=pos1.y, z=pos1.z },
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{ x=pos2.x, y=pos1.y, z=pos2.z },
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{ x=pos2.x, y=pos2.y, z=pos1.z },
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{ x=pos2.x, y=pos2.y, z=pos2.z }
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}
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end |