Add check for unknown nodes.

* Check if node has a definition table before attempting to evaluate its
  attributes.
* Define local variable to cache multiple accesses to `registered_nodes[]`
  and improve readability.
* Clarify code flow.
This commit is contained in:
kabou 2022-03-09 14:40:37 +01:00
parent 3f4dafc68f
commit f5a8d6d17a
1 changed files with 11 additions and 5 deletions

View File

@ -134,10 +134,15 @@ local function ecb_spawn_dungeon(blockpos, action, calls_remaining, param)
-- Check floor and ceiling: Must be *completely* solid
local y_floor = y
local y_ceiling = y + dim.y + 1
if check then for tx = x+1, x+dim.x do for tz = z+1, z+dim.z do
if not registered_nodes[get_node({x = tx, y = y_floor , z = tz}).name].walkable
or not registered_nodes[get_node({x = tx, y = y_ceiling, z = tz}).name].walkable then return false end
end end end
if check then
for tx = x+1, x+dim.x do
for tz = z+1, z+dim.z do
local fdef = registered_nodes[get_node({x = tx, y = y_floor , z = tz}).name]
local cdef = registered_nodes[get_node({x = tx, y = y_ceiling, z = tz}).name]
if not fdev or not fdev.walkable or not cdev or not cdev.walkable then return false end
end
end
end
-- Check for air openings (2 stacked air at ground level) in wall positions
local openings_counter = 0
@ -287,7 +292,8 @@ local function ecb_spawn_dungeon(blockpos, action, calls_remaining, param)
-- Do not overwrite nodes with is_ground_content == false (e.g. bedrock)
-- Exceptions: cobblestone and mossy cobblestone so neighborings dungeons nicely connect to each other
local name = get_node(p).name
if registered_nodes[name].is_ground_content or name == "mcl_core:cobble" or name == "mcl_core:mossycobble" then
local rn = registered_nodes[name]
if rn and rn.is_ground_content or name == "mcl_core:cobble" or name == "mcl_core:mossycobble" then
-- Floor
if ty == y then
if pr:next(1,4) == 1 then