forked from Mirrorlandia_minetest/minetest
Fix default item callbacks to work with nil users (#5819)
* Fix default item callbacks to work with nil users * item.lua: Handle node drops for invalid players The if-condition for the dropping loop is the same as `inv`, which means that the 2nd possible definition of `give_item` is never used. Remove redundant `local _, dropped_item`
This commit is contained in:
raymoo
Loïc Blot
parent
2efccb3536
commit
a5d5728f24
@ -667,8 +667,8 @@ core.register_chatcommand("pulverize", {
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core.rollback_punch_callbacks = {}
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core.register_on_punchnode(function(pos, node, puncher)
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local name = puncher:get_player_name()
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if core.rollback_punch_callbacks[name] then
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local name = puncher and puncher:get_player_name()
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if name and core.rollback_punch_callbacks[name] then
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core.rollback_punch_callbacks[name](pos, node, puncher)
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core.rollback_punch_callbacks[name] = nil
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end
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@ -215,6 +215,8 @@ function core.get_node_drops(node, toolname)
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end
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if item.tools ~= nil then
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good_tool = false
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end
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if item.tools ~= nil and toolname then
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for _, tool in ipairs(item.tools) do
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if tool:sub(1, 1) == '~' then
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good_tool = toolname:find(tool:sub(2)) ~= nil
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@ -225,7 +227,7 @@ function core.get_node_drops(node, toolname)
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break
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end
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end
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end
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end
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if good_rarity and good_tool then
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got_count = got_count + 1
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for _, add_item in ipairs(item.items) do
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@ -245,6 +247,20 @@ function core.get_node_drops(node, toolname)
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return got_items
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end
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local function user_name(user)
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return user and user:get_player_name() or ""
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end
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local function is_protected(pos, name)
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return core.is_protected(pos, name) and
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not minetest.check_player_privs(name, "protection_bypass")
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end
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-- Returns a logging function. For empty names, does not log.
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local function make_log(name)
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return name ~= "" and core.log or function() end
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end
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function core.item_place_node(itemstack, placer, pointed_thing, param2)
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local def = itemstack:get_definition()
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if def.type ~= "node" or pointed_thing.type ~= "node" then
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@ -255,10 +271,11 @@ function core.item_place_node(itemstack, placer, pointed_thing, param2)
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local oldnode_under = core.get_node_or_nil(under)
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local above = pointed_thing.above
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local oldnode_above = core.get_node_or_nil(above)
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local playername = placer:get_player_name()
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local playername = user_name(placer)
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local log = make_log(playername)
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if not oldnode_under or not oldnode_above then
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core.log("info", playername .. " tried to place"
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log("info", playername .. " tried to place"
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.. " node in unloaded position " .. core.pos_to_string(above))
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return itemstack, false
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end
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@ -269,7 +286,7 @@ function core.item_place_node(itemstack, placer, pointed_thing, param2)
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olddef_above = olddef_above or core.nodedef_default
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if not olddef_above.buildable_to and not olddef_under.buildable_to then
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core.log("info", playername .. " tried to place"
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log("info", playername .. " tried to place"
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.. " node in invalid position " .. core.pos_to_string(above)
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.. ", replacing " .. oldnode_above.name)
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return itemstack, false
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@ -280,13 +297,12 @@ function core.item_place_node(itemstack, placer, pointed_thing, param2)
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-- If node under is buildable_to, place into it instead (eg. snow)
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if olddef_under.buildable_to then
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core.log("info", "node under is buildable to")
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log("info", "node under is buildable to")
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place_to = {x = under.x, y = under.y, z = under.z}
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end
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if core.is_protected(place_to, playername) and
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not minetest.check_player_privs(placer, "protection_bypass") then
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core.log("action", playername
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if is_protected(place_to, playername) then
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log("action", playername
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.. " tried to place " .. def.name
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.. " at protected position "
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.. core.pos_to_string(place_to))
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@ -294,7 +310,7 @@ function core.item_place_node(itemstack, placer, pointed_thing, param2)
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return itemstack
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end
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core.log("action", playername .. " places node "
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log("action", playername .. " places node "
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.. def.name .. " at " .. core.pos_to_string(place_to))
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local oldnode = core.get_node(place_to)
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@ -314,7 +330,7 @@ function core.item_place_node(itemstack, placer, pointed_thing, param2)
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-- Calculate the direction for furnaces and chests and stuff
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elseif (def.paramtype2 == "facedir" or
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def.paramtype2 == "colorfacedir") and not param2 then
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local placer_pos = placer:getpos()
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local placer_pos = placer and placer:getpos()
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if placer_pos then
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local dir = {
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x = above.x - placer_pos.x,
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@ -322,7 +338,7 @@ function core.item_place_node(itemstack, placer, pointed_thing, param2)
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z = above.z - placer_pos.z
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}
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newnode.param2 = core.dir_to_facedir(dir)
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core.log("action", "facedir: " .. newnode.param2)
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log("action", "facedir: " .. newnode.param2)
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end
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end
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@ -348,7 +364,7 @@ function core.item_place_node(itemstack, placer, pointed_thing, param2)
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-- Check if the node is attached and if it can be placed there
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if core.get_item_group(def.name, "attached_node") ~= 0 and
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not builtin_shared.check_attached_node(place_to, newnode) then
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core.log("action", "attached node " .. def.name ..
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log("action", "attached node " .. def.name ..
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" can not be placed at " .. core.pos_to_string(place_to))
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return itemstack, false
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end
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@ -419,25 +435,24 @@ function core.item_secondary_use(itemstack, placer)
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end
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function core.item_drop(itemstack, dropper, pos)
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if dropper and dropper:is_player() then
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local dir = dropper:get_look_dir()
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local p = {x = pos.x, y = pos.y + 1.2, z = pos.z}
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local cnt = itemstack:get_count()
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local item = itemstack:take_item(cnt)
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local obj = core.add_item(p, item)
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if obj then
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local dropper_is_player = dropper and dropper:is_player()
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local p = table.copy(pos)
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local cnt = itemstack:get_count()
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if dropper_is_player then
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p.y = p.y + 1.2
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end
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local item = itemstack:take_item(cnt)
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local obj = core.add_item(p, item)
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if obj then
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if dropper_is_player then
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local dir = dropper:get_look_dir()
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dir.x = dir.x * 2.9
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dir.y = dir.y * 2.9 + 2
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dir.z = dir.z * 2.9
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obj:set_velocity(dir)
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obj:get_luaentity().dropped_by = dropper:get_player_name()
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return itemstack
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end
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else
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if core.add_item(pos, itemstack) then
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return itemstack
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end
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return itemstack
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end
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-- If we reach this, adding the object to the
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-- environment failed
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@ -458,7 +473,8 @@ function core.do_item_eat(hp_change, replace_with_item, itemstack, user, pointed
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itemstack:add_item(replace_with_item)
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else
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local inv = user:get_inventory()
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if inv:room_for_item("main", {name=replace_with_item}) then
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-- Check if inv is null, since non-players don't have one
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if inv and inv:room_for_item("main", {name=replace_with_item}) then
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inv:add_item("main", replace_with_item)
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else
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local pos = user:getpos()
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@ -473,7 +489,9 @@ end
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function core.item_eat(hp_change, replace_with_item)
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return function(itemstack, user, pointed_thing) -- closure
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return core.do_item_eat(hp_change, replace_with_item, itemstack, user, pointed_thing)
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if user then
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return core.do_item_eat(hp_change, replace_with_item, itemstack, user, pointed_thing)
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end
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end
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end
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@ -490,63 +508,75 @@ end
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function core.handle_node_drops(pos, drops, digger)
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-- Add dropped items to object's inventory
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if digger:get_inventory() then
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local _, dropped_item
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for _, dropped_item in ipairs(drops) do
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local left = digger:get_inventory():add_item("main", dropped_item)
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if not left:is_empty() then
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local p = {
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x = pos.x + math.random()/2-0.25,
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y = pos.y + math.random()/2-0.25,
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z = pos.z + math.random()/2-0.25,
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}
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core.add_item(p, left)
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end
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local inv = digger and digger:get_inventory()
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local give_item
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if inv then
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give_item = function(item)
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return inv:add_item("main", item)
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end
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else
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give_item = function(item)
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return item
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end
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end
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for _, dropped_item in pairs(drops) do
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local left = give_item(dropped_item)
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if not left:is_empty() then
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local p = {
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x = pos.x + math.random()/2-0.25,
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y = pos.y + math.random()/2-0.25,
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z = pos.z + math.random()/2-0.25,
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}
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core.add_item(p, left)
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end
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end
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end
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function core.node_dig(pos, node, digger)
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local diggername = user_name(digger)
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local log = make_log(diggername)
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local def = core.registered_nodes[node.name]
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if def and (not def.diggable or
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(def.can_dig and not def.can_dig(pos, digger))) then
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core.log("info", digger:get_player_name() .. " tried to dig "
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log("info", diggername .. " tried to dig "
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.. node.name .. " which is not diggable "
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.. core.pos_to_string(pos))
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return
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end
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if core.is_protected(pos, digger:get_player_name()) and
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not minetest.check_player_privs(digger, "protection_bypass") then
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core.log("action", digger:get_player_name()
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if is_protected(pos, diggername) then
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log("action", diggername
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.. " tried to dig " .. node.name
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.. " at protected position "
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.. core.pos_to_string(pos))
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core.record_protection_violation(pos, digger:get_player_name())
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core.record_protection_violation(pos, diggername)
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return
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end
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core.log('action', digger:get_player_name() .. " digs "
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log('action', diggername .. " digs "
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.. node.name .. " at " .. core.pos_to_string(pos))
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local wielded = digger:get_wielded_item()
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local drops = core.get_node_drops(node, wielded:get_name())
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local wielded = digger and digger:get_wielded_item()
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local drops = core.get_node_drops(node, wielded and wielded:get_name())
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local wdef = wielded:get_definition()
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local tp = wielded:get_tool_capabilities()
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local dp = core.get_dig_params(def and def.groups, tp)
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if wdef and wdef.after_use then
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wielded = wdef.after_use(wielded, digger, node, dp) or wielded
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else
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-- Wear out tool
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if not core.settings:get_bool("creative_mode") then
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wielded:add_wear(dp.wear)
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if wielded:get_count() == 0 and wdef.sound and wdef.sound.breaks then
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core.sound_play(wdef.sound.breaks, {pos = pos, gain = 0.5})
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if wielded then
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local wdef = wielded:get_definition()
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local tp = wielded:get_tool_capabilities()
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local dp = core.get_dig_params(def and def.groups, tp)
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if wdef and wdef.after_use then
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wielded = wdef.after_use(wielded, digger, node, dp) or wielded
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else
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-- Wear out tool
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if not core.settings:get_bool("creative_mode") then
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wielded:add_wear(dp.wear)
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if wielded:get_count() == 0 and wdef.sound and wdef.sound.breaks then
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core.sound_play(wdef.sound.breaks, {pos = pos, gain = 0.5})
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end
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end
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end
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digger:set_wielded_item(wielded)
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end
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digger:set_wielded_item(wielded)
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-- Handle drops
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core.handle_node_drops(pos, drops, digger)
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@ -2444,6 +2444,7 @@ Call these functions only at load time!
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* `minetest.register_on_placenode(func(pos, newnode, placer, oldnode, itemstack, pointed_thing))`
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* Called when a node has been placed
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* If return `true` no item is taken from `itemstack`
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* `placer` may be any valid ObjectRef or nil.
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* **Not recommended**; use `on_construct` or `after_place_node` in node definition
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whenever possible
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* `minetest.register_on_dignode(func(pos, oldnode, digger))`
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@ -3219,6 +3220,7 @@ These functions return the leftover itemstack.
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* Returns true, if player `name` shouldn't be abled to dig at `pos` or do other
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actions, defineable by mods, due to some mod-defined ownership-like concept.
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Returns false or nil, if the player is allowed to do such actions.
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* `name` will be "" for non-players or unknown players.
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* This function should be overridden by protection mods and should be used to
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check if a player can interact at a position.
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* This function should call the old version of itself if the position is not
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@ -4608,6 +4610,7 @@ Definition tables
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^ Called after constructing node when node was placed using
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minetest.item_place_node / minetest.place_node
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^ If return true no item is taken from itemstack
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^ `placer` may be any valid ObjectRef or nil
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^ default: nil ]]
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after_dig_node = func(pos, oldnode, oldmetadata, digger), --[[
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^ oldmetadata is in table format
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@ -1270,7 +1270,9 @@ minetest.register_node("default:chest_locked", {
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sounds = default.node_sound_wood_defaults(),
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after_place_node = function(pos, placer)
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local meta = minetest.get_meta(pos)
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meta:set_string("owner", placer:get_player_name() or "")
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local pname =
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placer and placer:get_player_name() or ""
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meta:set_string("owner", pname)
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meta:set_string("infotext", "Locked Chest (owned by "..
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meta:get_string("owner")..")")
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end,
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