mirror of
https://github.com/sbrl/Minetest-WorldEditAdditions.git
synced 2024-11-16 21:12:59 +00:00
98 lines
4.1 KiB
Lua
98 lines
4.1 KiB
Lua
-- ███████ ███████ ██ ███████ ██████ ████████ ██ ██████ ███ ██
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-- ██ ██ ██ ██ ██ ██ ██ ██ ██ ████ ██
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-- ███████ █████ ██ █████ ██ ██ ██ ██ ██ ██ ██ ██
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-- ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██
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-- ███████ ███████ ███████ ███████ ██████ ██ ██ ██████ ██ ████
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local v3 = worldeditadditions.Vector3
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---Selection helpers and modifiers
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local selection = {}
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--- Additively adds a point to the current selection or
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-- makes a selection from the provided point.
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-- @param name string Player name.
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-- @param pos vector The position to include.
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function selection.add_point(name, pos)
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if pos ~= nil then
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local is_new = not worldedit.pos1[name] and not worldedit.pos2[name]
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-- print("[set_pos1]", name, "("..pos.x..", "..pos.y..", "..pos.z..")")
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if not worldedit.pos1[name] then worldedit.pos1[name] = vector.new(pos) end
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if not worldedit.pos2[name] then worldedit.pos2[name] = vector.new(pos) end
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worldedit.marker_update(name)
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local volume_before = worldedit.volume(worldedit.pos1[name], worldedit.pos2[name])
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worldedit.pos1[name], worldedit.pos2[name] = worldeditadditions.vector.expand_region(worldedit.pos1[name], worldedit.pos2[name], pos)
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local volume_after = worldedit.volume(worldedit.pos1[name], worldedit.pos2[name])
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local volume_difference = volume_after - volume_before
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worldedit.marker_update(name)
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-- print("DEBUG volume_before", volume_before, "volume_after", volume_after)
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if is_new then
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local msg = "Created new region of "..volume_after.." node"
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if volume_after ~= 1 then msg = msg.."s" end
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worldedit.player_notify(name, msg)
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else
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local msg = "Expanded region by "..volume_difference.." node"
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if volume_difference ~= 1 then msg = msg.."s" end
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worldedit.player_notify(name, msg)
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end
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else
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worldedit.player_notify(name, "Error: Too far away (try raising your maxdist with //farwand maxdist <number>)")
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-- print("[set_pos1]", name, "nil")
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end
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end
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--- Clears current selection.
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-- @param name string Player name.
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function selection.clear_points(name)
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worldedit.pos1[name] = nil
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worldedit.pos2[name] = nil
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worldedit.marker_update(name)
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worldedit.set_pos[name] = nil
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worldedit.player_notify(name, "Region cleared")
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end
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--- Checks if a string is a valid axis.
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-- @param str string String to check (be sure to remove any + or -).
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-- @param hv bool Include "h" (general horizontal) and "v" (general vertical).
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-- @return bool If string is a valid axis then true.
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function selection.check_axis(str,hv)
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if hv then
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return (str == "x" or str == "y" or str == "z" or str == "h" or str == "v")
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else
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return (str == "x" or str == "y" or str == "z")
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end
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end
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--- Checks if a string is a valid dir.
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-- @param str string String to check (be sure to remove any + or -).
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-- @return bool If string is a valid dir then true.
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function selection.check_dir(str)
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return (str == "front" or str == "back" or str == "left" or str == "right" or str == "up" or str == "down")
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end
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--- Makes two vectors from the given positions and expands or contracts them
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-- (based on mode) by a third provided vector.
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-- @param mode string "grow" | "shrink".
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-- @param pos1 vector worldedit pos1.
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-- @param pos2 vector worldedit pos2.
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-- @param vec vector The modifying vector.
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-- @return Vector3,Vector3 New vectors for worldedit positions.
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function selection.resize(mode, pos1, pos2, vec)
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local pos1, pos2 = v3.sort(pos1, pos2)
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local vmin = v3.min(vec,v3.new()):abs()
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local vmax = v3.max(vec,v3.new())
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if mode == "grow" then
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return pos1 - vmin, pos2 + vMax
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elseif mode == "shrink" then
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return pos1 + vmin, pos2 - vMax
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else
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error("Resize Error: invalid mode \""..tostring(mode).."\".")
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end
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end
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return selection
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