Workaround for crash if place stair/slab/trapdoor inside a buildable_to node

This commit is contained in:
Wuzzy 2017-11-18 20:57:41 +01:00
parent 34d4c19855
commit 79ca0b2ab9
2 changed files with 37 additions and 7 deletions

@ -1,3 +1,20 @@
-- Wrapper around mintest.pointed_thing_to_face_pos.
local function get_fpos(placer, pointed_thing)
local fpos
-- Workaround: minetest.pointed_thing_to_face_pos crashes in MT 0.4.16 if
-- pointed_thing.under and pointed_thing.above are equal
-- FIXME: Remove this when MT got fixed.
if not vector.equals(pointed_thing.under, pointed_thing.above) then
-- The happy case: Everything is normal
local finepos = minetest.pointed_thing_to_face_pos(placer, pointed_thing)
fpos = finepos.y % 1
else
-- Fallback if both above and under are equal
fpos = 0
end
return fpos
end
---- Trapdoor ----
function mcl_doors:register_trapdoor(name, def)
@ -91,9 +108,7 @@ function mcl_doors:register_trapdoor(name, def)
param2 = minetest.dir_to_facedir(vector.subtract(p1, placer_pos))
end
local finepos = minetest.pointed_thing_to_face_pos(placer, pointed_thing)
local fpos = finepos.y % 1
local fpos = get_fpos(placer, pointed_thing)
local origname = itemstack:get_name()
if p0.y - 1 == p1.y or (fpos > 0 and fpos < 0.5)

@ -1,3 +1,20 @@
-- Wrapper around mintest.pointed_thing_to_face_pos.
local function get_fpos(placer, pointed_thing)
local fpos
-- Workaround: minetest.pointed_thing_to_face_pos crashes in MT 0.4.16 if
-- pointed_thing.under and pointed_thing.above are equal
-- FIXME: Remove this when MT got fixed.
if not vector.equals(pointed_thing.under, pointed_thing.above) then
-- The happy case: Everything is normal
local finepos = minetest.pointed_thing_to_face_pos(placer, pointed_thing)
fpos = finepos.y % 1
else
-- Fallback if both above and under are equal
fpos = 0
end
return fpos
end
local function place_slab_normal(itemstack, placer, pointed_thing)
-- Use pointed node's on_rightclick function first, if present
local node = minetest.get_node(pointed_thing.under)
@ -12,8 +29,7 @@ local function place_slab_normal(itemstack, placer, pointed_thing)
local placer_pos = placer:getpos()
local finepos = minetest.pointed_thing_to_face_pos(placer, pointed_thing)
local fpos = finepos.y % 1
local fpos = get_fpos(placer, pointed_thing)
local place = ItemStack(itemstack)
local origname = itemstack:get_name()
@ -44,8 +60,7 @@ local function place_stair(itemstack, placer, pointed_thing)
param2 = minetest.dir_to_facedir(vector.subtract(p1, placer_pos))
end
local finepos = minetest.pointed_thing_to_face_pos(placer, pointed_thing)
local fpos = finepos.y % 1
local fpos = get_pos(placer, pointed_thing)
if p0.y - 1 == p1.y or (fpos > 0 and fpos < 0.5)
or (fpos < -0.5 and fpos > -0.999999999) then