worldedit_commands/wand.lua

   1 local function above_or_under(placer, pointed_thing)
   2         if placer:get_player_control().sneak then
   3                 return pointed_thing.above
   4         else
   5                 return pointed_thing.under
   6         end
   7 end
   8
   9 local punched_air_time = {}
  10
  11 minetest.register_tool(":worldedit:wand", {
  12         description = "WorldEdit Wand tool\nLeft-click to set 1st position, right-click to set 2nd",
  13         inventory_image = "worldedit_wand.png",
  14         stack_max = 1, -- there is no need to have more than one
  15         liquids_pointable = true, -- ground with only water on can be selected as well
  16
  17         on_use = function(itemstack, placer, pointed_thing)
  18                 if placer == nil or pointed_thing == nil then return end
  19                 local name = placer:get_player_name()
  20                 if pointed_thing.type == "node" then
  21                         -- set and mark pos1
  22                         worldedit.pos1[name] = above_or_under(placer, pointed_thing)
  23                         worldedit.mark_pos1(name)
  24                 elseif pointed_thing.type == "nothing" then
  25                         local now = minetest.get_us_time()
  26                         if now - (punched_air_time[name] or 0) < 1000 * 1000 then
  27                                 -- reset markers
  28                                 minetest.registered_chatcommands["/reset"].func(name, "")
  29                         end
  30                         punched_air_time[name] = now
  31                 elseif pointed_thing.type == "object" then
  32                         local entity = pointed_thing.ref:get_luaentity()
  33                         if entity and entity.name == "worldedit:pos2" then
  34                                 -- set pos1 = pos2
  35                                 worldedit.pos1[name] = worldedit.pos2[name]
  36                                 worldedit.mark_pos1(name)
  37                         end
  38                 end
  39         end,
  40
  41         on_place = function(itemstack, placer, pointed_thing)
  42                 if placer == nil or (pointed_thing or {}).type ~= "node" then
  43                         return itemstack
  44                 end
  45                 local name = placer:get_player_name()
  46                 -- set and mark pos2
  47                 worldedit.pos2[name] = above_or_under(placer, pointed_thing)
  48                 worldedit.mark_pos2(name)
  49                 return itemstack -- nothing consumed, nothing changed
  50         end,
  51
  52         on_secondary_use = function(itemstack, user, pointed_thing)
  53                 if user == nil or (pointed_thing or {}).type ~= "object" then
  54                         return itemstack
  55                 end
  56                 local name = user:get_player_name()
  57                 local entity = pointed_thing.ref:get_luaentity()
  58                 if entity and entity.name == "worldedit:pos1" then
  59                         -- set pos2 = pos1
  60                         worldedit.pos2[name] = worldedit.pos1[name]
  61                         worldedit.mark_pos2(name)
  62                 end
  63                 return itemstack -- nothing consumed, nothing changed
  64         end,
  65 })