mirror of
https://github.com/sbrl/Minetest-WorldEditAdditions.git
synced 2024-11-09 00:43:48 +01:00
102 lines
3.9 KiB
Lua
102 lines
3.9 KiB
Lua
local wea_c = worldeditadditions_core
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local Vector3 = wea_c.Vector3
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--- Functions for handling selections of the defined pos1/pos2 region.
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--
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-- These functions primarily back the [cloud wand](https://worldeditadditions.mooncarrot.space/Reference/#cloud). To manipulate positions directly, see the [`worldeditadditions_core.pos`]() namespace.
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-- @namespace worldeditadditions.selection
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-- ███████ ███████ ██ ███████ ██████ ████████ ██ ██████ ███ ██
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-- ██ ██ ██ ██ ██ ██ ██ ██ ██ ████ ██
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-- ███████ █████ ██ █████ ██ ██ ██ ██ ██ ██ ██ ██
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-- ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██
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-- ███████ ███████ ███████ ███████ ██████ ██ ██ ██████ ██ ████
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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 defined by pos1..pos2 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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-- @returns void
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function selection.add_point(name, newpos)
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if newpos ~= nil then
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-- print("DEBUG:selection.add_point newpos", newpos)
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local has_pos1 = not not wea_c.pos.get1(name)
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local has_pos2 = not not wea_c.pos.get2(name)
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local created_new = not has_pos1 or not has_pos2
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if not has_pos1 then wea_c.pos.set1(name, Vector3.clone(newpos)) end
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if not has_pos2 then wea_c.pos.set2(name, Vector3.clone(newpos)) end
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-- Now no longer needed, given that the new sysstem uses an event listener to push updates to the selected region automatically
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-- worldedit.marker_update(name)
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local pos1, pos2 = wea_c.pos.get1(name), wea_c.pos.get2(name)
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local volume_before = worldedit.volume(pos1, pos2)
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local new_pos1, new_pos2 = Vector3.expand_region(
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Vector3.clone(pos1),
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Vector3.clone(pos2),
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newpos
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)
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wea_c.pos.set1(name, new_pos1)
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wea_c.pos.set2(name, new_pos2)
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local volume_after = worldedit.volume(new_pos1, new_pos2)
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local volume_difference = volume_after - volume_before
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if volume_difference == 0 and created_new then
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volume_difference = 1
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end
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local msg = "Expanded region by "
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if created_new then msg = "Created new region with " end
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msg = msg..volume_difference.." node"
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if volume_difference ~= 1 then msg = msg.."s" end
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-- Done automatically
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-- worldedit.marker_update(name)
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worldedit.player_notify(name, msg)
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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, *but only pos1 and pos2!
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-- @param name string Player name.
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-- @returns void
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function selection.clear_points(name)
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wea_c.pos.clear(name)
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-- worldedit.marker_update(name)
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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 == "facing" or 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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return selection
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