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https://github.com/sbrl/Minetest-WorldEditAdditions.git
synced 2024-11-14 03:03:52 +01:00
40 lines
1.8 KiB
Lua
40 lines
1.8 KiB
Lua
-- Returns the player's facing direction on the horizontal axes only.
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-- @param name string The name of the player to return facing direction of.
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-- @return Returns axis name and sign multiplier.
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function worldeditadditions.player_axis2d(name)
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-- minetest.get_player_by_name("singleplayer"):
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local dir = minetest.get_player_by_name(name):get_look_dir()
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local x, z= math.abs(dir.x), math.abs(dir.z)
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if x > z then return "x", dir.x > 0 and 1 or -1
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else return "z", dir.z > 0 and 1 or -1 end
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end
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-- Returns the axis and sign of the axis to the left of the input axis.
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-- @param axis string x or z.
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-- @param sign int Sign multiplier.
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-- @return Returns axis name and sign multiplier.
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function worldeditadditions.axis_left(axis,sign)
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if not axis:match("[xz]") then return false, "Error: Not a horizontal axis!"
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elseif axis == "x" then return true, "z", sign
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else return true, "x", -sign end
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end
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--- Dehumanize Direction: translates up, down, left, right, front, into xyz based on player orientation.
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-- @param name string The name of the player to return facing direction of.
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-- @param dir string Relative direction to translate.
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-- @return Returns axis name and sign multiplier.
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function worldeditadditions.dir_to_xyz(name, dir)
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local axfac, drfac = worldeditadditions.player_axis2d(name)
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local _, axlft, drlft = worldeditadditions.axis_left(axfac,drfac)
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if dir:match("front") or dir:match("back") then
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return axfac, dir:match("front") and drfac or -drfac
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elseif dir:match("left") or dir:match("right") then
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return axlft, dir:match("left") and drlft or -drlft
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elseif dir:match("up") or dir:match("down") then
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return "y", dir == "down" and -1 or 1
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else return false, "\"" .. dir .. "\" not a recognized direction! Try: (up | down | left | right | front | back)" end
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end
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-- Tests
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-- /lua print(worldeditadditions.table.unpack(worldeditadditions.player_axis2d(myname)))
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