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so... much... error checking...

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This commit is contained in:
FaceDeer 2019-08-19 20:56:28 -06:00
parent a9420ea805
commit 03c9a81b6b
2 changed files with 51 additions and 4 deletions
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1
controller.lua
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@ -95,7 +95,6 @@ minetest.register_node("digtron:controller", {
end
end,
--TODO: this didn't work when I blew up a digtron with TNT, investigate why
preserve_metadata = function(pos, oldnode, oldmeta, drops)
for _, dropped in ipairs(drops) do
if dropped:get_name() == "digtron:controller" then

54
functions.lua
View File

@ -479,6 +479,9 @@ digtron.build_to_world = function(digtron_id, root_pos, player_name)
-- inv:set_size(listname, size)
-- end
end
local bbox = retrieve_bounding_box(digtron_id)
bbox.root = root_pos
persist_bounding_box(digtron_id, bbox)
end
return permitted
@ -487,15 +490,60 @@ end
---------------------------------------------------------------------------------
-- Misc
-- If the digtron node has an assigned ID and a layout for that ID exists and
-- a matching node exists in the layout then don't let it be dug.
-- TODO: add protection check?
digtron.can_dig = function(pos, digger)
local meta = minetest.get_meta(pos)
local digtron_id = meta:get_string("digtron_id")
if mod_meta:contains(digtron_id..":layout") then
return false
if digtron_id == "" then
return true
end
return true
local node = minetest.get_node(pos)
local bbox = retrieve_bounding_box(digtron_id)
local layout = retrieve_layout(digtron_id)
if bbox == nil or bbox.root == nil or layout == nil then
-- Somehow, this belongs to a digtron id that's missing information that should exist in persistence.
local missing = ""
if bbox == nil then missing = missing .. "bounding_box " end
if bbox ~= nil and bbox.root == nil then missing = missing .. "root_pos " end
if layout == nil then missing = missing .. "layout " end
minetest.log("error", "[Digtron] can_dig was called on a " .. node.name .. " at location "
.. minetest.pos_to_string(pos) .. " that claimed to belong to " .. digtron_id
.. ". However, layout and/or location data are missing: " .. missing)
-- May be better to do this to prevent node duplication. But we're already in bug land here so tread gently.
--minetest.remove_node(pos)
--return false
return true
end
local root_hash = minetest.hash_node_position(bbox.root)
local here_hash = minetest.hash_node_position(pos)
local layout_hash = here_hash - root_hash + origin_hash
local layout_data = layout[layout_hash]
if layout_data == nil or layout_data.node == nil then
minetest.log("error", "[Digtron] can_dig was called on a " .. node.name .. " at location "
.. minetest.pos_to_string(pos) .. " that claimed to belong to " .. digtron_id
.. ". However, the layout for that digtron_id didn't contain any corresponding node at its location.")
return true
end
if layout_data.node.name ~= node.name or layout_data.node.param2 ~= node.param2 then
minetest.log("error", "[Digtron] can_dig was called on a " .. node.name .. " with param2 "
.. node.param2 .." at location " .. minetest.pos_to_string(pos) .. " that belonged to " .. digtron_id
.. ". However, the layout for that digtron_id contained a " .. layout_data.node.name
.. "with param2 ".. layout_data.node.param2 .. " at its location.")
return true
end
-- We're part of a valid Digtron. No touchy.
return false
end
-- put this on all Digtron nodes. If other inventory types are added (eg, batteries)
-- update this.
digtron.on_blast = function(pos, intensity)
if intensity < 1.0 then return end -- The Almighty Digtron ignores weak-ass explosions