Minetest-WorldEditAdditions/worldeditadditions_commands/commands/selectors/sgrow.lua

-- local wea = worldeditadditions
local wea_c = worldeditadditions_core
local Vector3 = wea_c.Vector3


-- ███████   ██████   ██████    ██████   ██     ██ 
-- ██       ██        ██   ██  ██    ██  ██     ██ 
-- ███████  ██   ███  ██████   ██    ██  ██  █  ██ 
--      ██  ██    ██  ██   ██  ██    ██  ██ ███ ██ 
-- ███████   ██████   ██   ██   ██████    ███ ███  


worldeditadditions_core.register_command("sgrow", {
	params = "<Unified Axis Keywords>",
	description = "Grow selection region",
	privs = { worldedit = true },
	require_pos = 0,
	parse = function(params_text)
		local ret = wea_c.split(params_text)
		if #ret < 1 then return false, "SGROW: No params found!"
		else return true, ret end
	end,
	func = function(name, params_text)
		local facing = wea_c.player_dir(name)
		local min, max = wea_c.parse.directions(params_text, facing)
		if not min then return false, max end
		
		local pos1 = wea_c.pos.get(name, 1)
		local pos2 = wea_c.pos.get(name, 2)
		
		if not pos2 then wea_c.pos.set(name, 2, pos1)
		else pos1, pos2 = Vector3.sort(pos1, pos2) end
		
		pos1, pos2 = pos1:add(min), pos2:add(max)
		
		wea_c.pos.set_all(name, {pos1, pos2})
		return true, "Pos1 set to "..pos1..", Pos2 set to "..pos2
	end,
})

-- Tests
-- //srel front 5 left 3 y 2