blocky_portaling/player_api
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Doors: Fix potential crashes, code improvements

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Fix crash when doors are placed under unknown nodes.
Share a can_dig among doors, that does not crash on nil-player.
Only set can_dig if we actually protect the door.
This commit is contained in:
Tim 2016-07-30 14:21:30 +02:00 committed by paramat
parent 4fba897a96
commit 00c2dde4ea
1 changed files with 14 additions and 31 deletions
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45
mods/doors/init.lua
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@ -203,6 +203,14 @@ local function on_place_node(place_to, newnode,
end end
end end
local function can_dig_door(pos, digger)
local digger_name = digger and digger:get_player_name()
if digger_name and minetest.get_player_privs(digger_name).protection_bypass then
return true
end
return minetest.get_meta(pos):get_string("doors_owner") == digger_name
end
function doors.register(name, def) function doors.register(name, def)
if not name:find(":") then if not name:find(":") then
name = "doors:" .. name name = "doors:" .. name
@ -273,8 +281,10 @@ function doors.register(name, def)
end end
local above = {x = pos.x, y = pos.y + 1, z = pos.z} local above = {x = pos.x, y = pos.y + 1, z = pos.z}
if not minetest.registered_nodes[ local top_node = minetest.get_node_or_nil(above)
minetest.get_node(above).name].buildable_to then local topdef = top_node and minetest.registered_nodes[top_node.name]
if not topdef or not topdef.buildable_to then
return itemstack return itemstack
end end
@ -336,21 +346,6 @@ function doors.register(name, def)
end end
def.recipe = nil def.recipe = nil
local can_dig = function(pos, digger)
if not def.protected then
return true
end
if minetest.check_player_privs(digger, "protection_bypass") then
return true
end
local meta = minetest.get_meta(pos)
local owner_name
if digger then
owner_name = digger:get_player_name()
end
return meta:get_string("doors_owner") == owner_name
end
if not def.sounds then if not def.sounds then
def.sounds = default.node_sound_wood_defaults() def.sounds = default.node_sound_wood_defaults()
end end
@ -379,14 +374,12 @@ function doors.register(name, def)
minetest.remove_node({x = pos.x, y = pos.y + 1, z = pos.z}) minetest.remove_node({x = pos.x, y = pos.y + 1, z = pos.z})
nodeupdate({x = pos.x, y = pos.y + 1, z = pos.z}) nodeupdate({x = pos.x, y = pos.y + 1, z = pos.z})
end end
def.can_dig = function(pos, player)
return can_dig(pos, player)
end
def.on_rotate = function(pos, node, user, mode, new_param2) def.on_rotate = function(pos, node, user, mode, new_param2)
return false return false
end end
if def.protected then if def.protected then
def.can_dig = can_dig_door
def.on_blast = function() end def.on_blast = function() end
else else
def.on_blast = function(pos, intensity) def.on_blast = function(pos, intensity)
@ -540,16 +533,6 @@ function doors.register_trapdoor(name, def)
local name_closed = name local name_closed = name
local name_opened = name.."_open" local name_opened = name.."_open"
local function check_player_priv(pos, player)
if not def.protected or
minetest.check_player_privs(player, "protection_bypass") then
return true
end
local meta = minetest.get_meta(pos)
local player_name = player and player:get_player_name()
return meta:get_string("doors_owner") == player_name
end
def.on_rightclick = function(pos, node, clicker, itemstack, pointed_thing) def.on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
_doors.trapdoor_toggle(pos, node, clicker) _doors.trapdoor_toggle(pos, node, clicker)
return itemstack return itemstack
@ -560,9 +543,9 @@ function doors.register_trapdoor(name, def)
def.paramtype = "light" def.paramtype = "light"
def.paramtype2 = "facedir" def.paramtype2 = "facedir"
def.is_ground_content = false def.is_ground_content = false
def.can_dig = check_player_priv
if def.protected then if def.protected then
def.can_dig = can_dig_door
def.after_place_node = function(pos, placer, itemstack, pointed_thing) def.after_place_node = function(pos, placer, itemstack, pointed_thing)
local pn = placer:get_player_name() local pn = placer:get_player_name()
local meta = minetest.get_meta(pos) local meta = minetest.get_meta(pos)