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Merge pull request 'Fixed a crash in minetest vector code that isn't propogated to lua.' (#3966) from fix_rotate_around_axis_crash into master

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Reviewed-on: https://git.minetest.land/MineClone2/MineClone2/pulls/3966
Reviewed-by: the-real-herowl <the-real-herowl@noreply.git.minetest.land>
Reviewed-by: chmodsayshello <chmodsayshello@hotmail.com>
This commit is contained in:
chmodsayshello 2023-10-16 12:21:56 +00:00
commit e3ab94809e
3 changed files with 16 additions and 11 deletions
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12
mods/CORE/mcl_util/init.lua
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@ -74,6 +74,18 @@ function mcl_util.check_dtime_timer(self, dtime, timer_name, threshold)
return false
end
-- While we should always favour the new minetest vector functions such as vector.new or vector.offset which validate on
-- creation. There may be cases where state gets corrupted and we may have to check the vector is valid if created the
-- old way. This allows us to do this as a tactical solution until old style vectors are completely removed.
function mcl_util.validate_vector (vect)
if vect then
if tonumber(vect.x) and tonumber(vect.y) and tonumber(vect.z) then
return true
end
end
return false
end
-- Minetest 5.3.0 or less can only measure the light level. This came in at 5.4
-- This function has been known to fail in multiple places so the error handling is added increase safety and improve
-- debugging. See:

12
mods/ENTITIES/mcl_mobs/effects.lua
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@ -1,5 +1,7 @@
local math, tonumber, vector, minetest, mcl_mobs = math, tonumber, vector, minetest, mcl_mobs
local mob_class = mcl_mobs.mob_class
local validate_vector = mcl_util.validate_vector
local active_particlespawners = {}
local disable_blood = minetest.settings:get_bool("mobs_disable_blood")
local DEFAULT_FALL_SPEED = -9.81*1.5
@ -9,16 +11,6 @@ local PATHFINDING = "gowp"
local player_transfer_distance = tonumber(minetest.settings:get("player_transfer_distance")) or 128
if player_transfer_distance == 0 then player_transfer_distance = math.huge end
local function validate_vector (vect)
if vect then
if tonumber(vect.x) and tonumber(vect.y) and tonumber(vect.z) then
return true
end
end
return false
end
-- custom particle effects
function mcl_mobs.effect(pos, amount, texture, min_size, max_size, radius, gravity, glow, go_down)

3
mods/ENTITIES/mcl_mobs/physics.lua
View File

@ -1,5 +1,6 @@
local math, vector, minetest, mcl_mobs = math, vector, minetest, mcl_mobs
local mob_class = mcl_mobs.mob_class
local validate_vector = mcl_util.validate_vector
local ENTITY_CRAMMING_MAX = 24
local CRAMMING_DAMAGE = 3
@ -355,7 +356,7 @@ function mob_class:set_yaw(yaw, delay, dtime)
if math.abs(target_shortest_path_nums) > 10 then
self.object:set_yaw(self.object:get_yaw()+(target_shortest_path*(3.6*ddtime)))
if self.acc then
if validate_vector(self.acc) then
self.acc=vector.rotate_around_axis(self.acc,vector.new(0,1,0), target_shortest_path*(3.6*ddtime))
end
end