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Fix many crashes when placing item on unknown node

This commit is contained in:
Wuzzy 2017-06-29 13:02:53 +02:00
parent 27481afe06
commit 38cf151806
13 changed files with 41 additions and 12 deletions

View File

@ -252,6 +252,9 @@ function mcl_util.generate_on_place_plant_function(condition)
local place_pos
local def_under = minetest.registered_nodes[minetest.get_node(pointed_thing.under).name]
local def_above = minetest.registered_nodes[minetest.get_node(pointed_thing.above).name]
if not def_under or not def_above then
return itemstack
end
if def_under.buildable_to then
place_pos = pointed_thing.under
elseif def_above.buildable_to then

View File

@ -52,6 +52,7 @@ local on_button_place = function(itemstack, placer, pointed_thing)
local under = pointed_thing.under
local node = minetest.get_node(under)
local def = minetest.registered_nodes[node.name]
if not def then return end
local groups = def.groups
-- Check special rightclick action of pointed node

View File

@ -103,7 +103,7 @@ function bucket.register_liquid(source, flowing, itemname, inventory_image, name
sound_place("mcl_core:water_source", pos)
elseif item == "bucket:bucket_water" and nn == "mcl_cauldrons:cauldron_3" then
sound_place("mcl_core:water_source", pos)
elseif minetest.registered_nodes[nn].buildable_to then
elseif minetest.registered_nodes[nn] and minetest.registered_nodes[nn].buildable_to then
-- buildable; replace the node
local pns = user:get_player_name()
if minetest.is_protected(pointed_thing.under, pns) then
@ -117,7 +117,7 @@ function bucket.register_liquid(source, flowing, itemname, inventory_image, name
-- not buildable to; place the liquid above
-- check if the node above can be replaced
local abovenode = minetest.get_node(pointed_thing.above)
if minetest.registered_nodes[abovenode.name].buildable_to then
if minetest.registered_nodes[abovenode.name] and minetest.registered_nodes[abovenode.name].buildable_to then
local pn = user:get_player_name()
if minetest.is_protected(pointed_thing.above, pn) then
return itemstack

View File

@ -78,7 +78,8 @@ function mcl_beds.register_bed(name, def)
end
local pos
if minetest.registered_items[minetest.get_node(under).name].buildable_to then
local undername = minetest.get_node(under).name
if minetest.registered_items[undername] and minetest.registered_items[undername].buildable_to then
pos = under
else
pos = pointed_thing.above

View File

@ -1409,6 +1409,9 @@ minetest.register_node("mcl_core:ladder", {
local under = pointed_thing.under
local node = minetest.get_node(under)
local def = minetest.registered_nodes[node.name]
if not def then
return itemstack
end
local groups = def.groups
-- Don't allow to place the ladder at particular nodes
@ -1483,6 +1486,7 @@ minetest.register_node("mcl_core:vine", {
local under = pointed_thing.under
local node = minetest.get_node(under)
local def = minetest.registered_nodes[node.name]
if not def then return itemstack end
local groups = def.groups
-- Check special rightclick action of pointed node

View File

@ -79,21 +79,23 @@ function mcl_doors:register_door(name, def)
local ptu = pointed_thing.under
local nu = minetest.get_node(ptu)
-- Pointed thing's rightclick action takes precedence, unless player holds down the sneak key
if minetest.registered_nodes[nu.name].on_rightclick and not placer:get_player_control().sneak then
if minetest.registered_nodes[nu.name] and minetest.registered_nodes[nu.name].on_rightclick and not placer:get_player_control().sneak then
return minetest.registered_nodes[nu.name].on_rightclick(ptu, nu, placer, itemstack)
end
local pt
if minetest.registered_nodes[minetest.get_node(ptu).name].buildable_to then
if minetest.registered_nodes[nu.name] and minetest.registered_nodes[nu.name].buildable_to then
pt = pointed_thing.under
else
pt = pointed_thing.above
end
local pt2 = {x=pt.x, y=pt.y, z=pt.z}
pt2.y = pt2.y+1
local ptname = minetest.get_node(pt).name
local pt2name = minetest.get_node(pt2).name
if
(not minetest.registered_nodes[minetest.get_node(pt).name].buildable_to) or
(not minetest.registered_nodes[minetest.get_node(pt2).name].buildable_to)
(minetest.registered_nodes[ptname] and not minetest.registered_nodes[ptname].buildable_to) or
(minetest.registered_nodes[pt2name] and not minetest.registered_nodes[pt2name].buildable_to)
then
return itemstack
end

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@ -16,7 +16,7 @@ minetest.register_tool("mcl_fire:flint_and_steel", {
local used = false
if pointed_thing.type == "node" then
local nodedef = minetest.registered_nodes[minetest.get_node(pointed_thing.under).name]
if nodedef._on_ignite then
if nodedef and nodedef._on_ignite then
nodedef._on_ignite(pointed_thing.under, user)
else
mcl_fire.set_fire(pointed_thing)

View File

@ -186,15 +186,24 @@ local function add_large_plant(name, desc, longdesc, bottom_img, top_img, inv_im
-- Check for a floor and a space of 1×2×1
local ptu_node = minetest.get_node(pointed_thing.under)
local bottom
if not minetest.registered_nodes[ptu_node.name] then
return itemstack
end
if minetest.registered_nodes[ptu_node.name].buildable_to then
bottom = pointed_thing.under
else
bottom = pointed_thing.above
end
if not minetest.registered_nodes[minetest.get_node(bottom).name] then
return itemstack
end
local top = { x = bottom.x, y = bottom.y + 1, z = bottom.z }
local bottom_buildable = minetest.registered_nodes[minetest.get_node(bottom).name].buildable_to
local top_buildable = minetest.registered_nodes[minetest.get_node(top).name].buildable_to
local floorname = minetest.get_node({x=bottom.x, y=bottom.y-1, z=bottom.z}).name
if not minetest.registered_nodes[floorname] then
return itemstack
end
local light_night = minetest.get_node_light(bottom, 0.0)
local light_day = minetest.get_node_light(bottom, 0.5)

View File

@ -59,7 +59,7 @@ Hoppers interact with containers the following way:
local uposnode = minetest.get_node(upos)
local uposnodedef = minetest.registered_nodes[uposnode.name]
if not uposnodedef then return itemstack end
-- Use pointed node's on_rightclick function first, if present
if placer and not placer:get_player_control().sneak then
if uposnodedef and uposnodedef.on_rightclick then
@ -72,6 +72,7 @@ Hoppers interact with containers the following way:
bpos = upos
else
local aposnodedef = minetest.registered_nodes[minetest.get_node(apos).name]
if not aposnodedef then return itemstack end
if aposnodedef.buildable_to then
bpos = apos
end
@ -207,6 +208,7 @@ minetest.register_abm({
chance = 1,
action = function(pos, node, active_object_count, active_object_count_wider)
local abovenode = minetest.get_node({x=pos.x, y=pos.y+1, z=pos.z})
if not minetest.registered_items[abovenode.name] then return end
-- Don't bother checking item enties if node above is a container (should save some CPU)
if minetest.registered_items[abovenode.name].groups.container then
return
@ -281,6 +283,7 @@ minetest.register_abm({
-- Suck an item from the container above into the hopper
local upnode = minetest.get_node(uppos)
if not minetest.registered_nodes[upnode.name] then return end
local g = minetest.registered_nodes[upnode.name].groups.container
if g == 2 or g == 3 then
-- Typical container inventory
@ -298,6 +301,7 @@ minetest.register_abm({
-- Move an item from the hopper into container below
local downnode = minetest.get_node(downpos)
if not minetest.registered_nodes[downnode.name] then return end
g = minetest.registered_nodes[downnode.name].groups.container
local slot_id = -1
if g == 3 then
@ -338,9 +342,11 @@ minetest.register_abm({
local above = {x=pos.x,y=pos.y+1,z=pos.z}
local frontnode = minetest.get_node(front)
if not minetest.registered_nodes[frontnode.name] then return end
-- Suck an item from the container above into the hopper
local abovenode = minetest.get_node(above)
if not minetest.registered_nodes[abovenode.name] then return end
local g = minetest.registered_nodes[abovenode.name].groups.container
if g == 2 or g == 3 then
-- Typical container inventory

View File

@ -37,7 +37,9 @@ minetest.register_craftitem("mcl_potions:glass_bottle", {
-- Try to fill glass bottle with water
local get_water = false
if def.groups and def.groups.water and def.liquidtype == "source" then
if not def then
-- Unknown node: no-op
elseif def.groups and def.groups.water and def.liquidtype == "source" then
-- Water source
get_water = true
-- Or reduce water level of cauldron by 1

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@ -158,7 +158,7 @@ function mcl_stairs.register_slab(subname, recipeitem, groups, images, descripti
-- combine two slabs if possible
-- Requirements: Same slab material, must be placed on top of lower slab, or on bottom of upper slab
if (wield_item == under.name or wield_item == minetest.registered_nodes[under.name]._mcl_other_slab_half) and
if (wield_item == under.name or (minetest.registered_nodes[under.name] and wield_item == minetest.registered_nodes[under.name]._mcl_other_slab_half)) and
not ((dir.y >= 0 and minetest.get_item_group(under.name, "slab_top") == 1) or
(dir.y <= 0 and minetest.get_item_group(under.name, "slab_top") == 0)) then

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@ -243,7 +243,7 @@ local pearl_on_step = function(self, dtime)
--[[ It may be possible that telepos is walkable due to the algorithm.
Especially when the ender pearl is faster horizontally than vertical.
This applies final fixing, just to be sure we're not in a walkable node ]]
if minetest.registered_nodes[telenode.name].walkable then
if not minetest.registered_nodes[telenode.name] or minetest.registered_nodes[telenode.name].walkable then
if v.y < 0 then
telepos.y = telepos.y + 0.5
else

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@ -54,6 +54,7 @@ mcl_torches.register_torch = function(substring, description, doc_items_longdesc
local under = pointed_thing.under
local node = minetest.get_node(under)
local def = minetest.registered_nodes[node.name]
if not def then return itemstack end
-- Call on_rightclick if the pointed node defines it
if placer and not placer:get_player_control().sneak then