36 lines
1.1 KiB
Lua
36 lines
1.1 KiB
Lua
local current_modname = minetest.get_current_modname()
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local path = minetest.get_modpath(current_modname)
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local ROTATE = dofile(path.."/data/rotate.lua")
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local axis_util = dofile(path.."/utils/axis.lua")
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local paramtype_util = dofile(path.."/utils/paramtype.lua")
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local util = {}
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util.rotate = function(paramtype, axis, rotation)
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local paramtype_index = paramtype_util.get_index(paramtype)
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local axis_index = type(axis)=='number' and axis or axis_util.get_axis_index(axis)
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return ROTATE[paramtype_index][axis_index][rotation]
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end
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util.rotation_exist = function(paramtype)
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return pcall(util.rotate, paramtype, 0, 0)
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end
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util.can_rotate = function(node)
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local ndef = minetest.registered_nodes[node.name]
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return util.rotation_exist(ndef.paramtype2)
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and (paramtype_util.is_wallmounted_group(node) or paramtype_util.is_facedir_group(node))
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end
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util.get_repetition = function(angle)
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local get_positive_angle = function(angle)
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angle = angle % 360
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return angle % 90 == 0 and angle or 0--=do not rotate
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end
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return get_positive_angle(angle) / 90
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end
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return util
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