pick_and_place/configure.lua
Buckaroo Banzai 3466f84540
Composition tool (#6)
* persist template metadata

* composition tool

* composition utils

* wip

* wip

* use swap_node for handles

* formspec

* wip

* set composition origin to first min-pos

* composition duplication and we area

* wallmounted replacement

---------

Co-authored-by: BuckarooBanzay <BuckarooBanzay@users.noreply.github.com>
2025-01-04 14:03:09 +01:00

71 lines
2.4 KiB
Lua

-- true if already in removal function (disables recursion through on_destruct)
local in_removal = false
-- removes all other handle nodes
function pick_and_place.remove_handles(handle_pos)
if in_removal then
return
end
local node = minetest.get_node(handle_pos)
if node.name ~= "pick_and_place:handle" then
return false, "not a valid handle node @ " .. minetest.pos_to_string(handle_pos)
end
local meta = minetest.get_meta(handle_pos)
local pos1 = minetest.string_to_pos(meta:get_string("pos1"))
local pos2 = minetest.string_to_pos(meta:get_string("pos2"))
local name = meta:get_string("name")
if not name or not pos1 or not pos2 then
return false, "unexpected metadata"
end
-- resolve to absolute coords
pos1 = vector.add(pos1, handle_pos)
pos2 = vector.add(pos2, handle_pos)
in_removal = true
pos1, pos2 = pick_and_place.sort_pos(pos1, pos2)
for _, hpos in ipairs(pick_and_place.get_outer_corners(pos1, pos2)) do
local hnode = minetest.get_node(hpos)
if hnode.name == "pick_and_place:handle" then
local hmeta = minetest.get_meta(hpos)
if hmeta:get_string("name") == name then
-- name and node matches, remove
minetest.set_node(hpos, { name = "air" })
end
end
end
in_removal = false
return true
end
-- sets handle nodes where possible
function pick_and_place.configure(pos1, pos2, name, id)
pos1, pos2 = pick_and_place.sort_pos(pos1, pos2)
id = id or pick_and_place.create_id()
pick_and_place.register_template(pos1, pos2, name, id)
for _, cpos in ipairs(pick_and_place.get_outer_corners(pos1, pos2)) do
local node = minetest.get_node(cpos)
if node.name == "air" or node.name == "pick_and_place:handle" then
minetest.swap_node(cpos, { name = "pick_and_place:handle" })
local meta = minetest.get_meta(cpos)
-- relative positions
local rel_pos1 = vector.subtract(pos1, cpos)
local rel_pos2 = vector.subtract(pos2, cpos)
meta:set_string("pos1", minetest.pos_to_string(rel_pos1))
meta:set_string("pos2", minetest.pos_to_string(rel_pos2))
meta:set_string("name", name)
meta:set_string("id", id)
meta:set_string("infotext", pick_and_place.get_handle_infotext(meta))
end
end
end