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set_yaw for shulker returns nil, causing a nil arithmetic error. (#4775)

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Fixes a prevented crash error.

Reviewed-on: https://git.minetest.land/VoxeLibre/VoxeLibre/pulls/4775
Reviewed-by: the-real-herowl <the-real-herowl@noreply.git.minetest.land>
Co-authored-by: kno10 <erich.schubert@gmail.com>
Co-committed-by: kno10 <erich.schubert@gmail.com>
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kno10 2024-12-31 01:23:47 +01:00 committed by the-real-herowl
parent f83d8c07ad
commit 28c0a3072c
1 changed files with 2 additions and 0 deletions
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mods/ENTITIES/mcl_mobs/physics.lua
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@ -240,11 +240,13 @@ end
-- Relative turn, primarily for random turning -- Relative turn, primarily for random turning
-- @param dtime deprecated: ignored now, because of smooth rotations -- @param dtime deprecated: ignored now, because of smooth rotations
function mob_class:turn_by(angle, delay, dtime) function mob_class:turn_by(angle, delay, dtime)
if self.noyaw then return end -- shulker
return self:set_yaw((self.object:get_yaw() or 0) + angle, delay, dtime) return self:set_yaw((self.object:get_yaw() or 0) + angle, delay, dtime)
end end
-- Turn into a direction (e.g., to the player, or away) -- Turn into a direction (e.g., to the player, or away)
-- @param dtime deprecated: ignored now, because of smooth rotations -- @param dtime deprecated: ignored now, because of smooth rotations
function mob_class:turn_in_direction(dx, dz, delay, dtime) function mob_class:turn_in_direction(dx, dz, delay, dtime)
if self.noyaw then return end -- shulker
if not self.rotate then self.rotate = 0 end if not self.rotate then self.rotate = 0 end
if abs(dx) == 0 and abs(dz) == 0 then return self.object:get_yaw() + self.rotate end if abs(dx) == 0 and abs(dz) == 0 then return self.object:get_yaw() + self.rotate end
return self:set_yaw(-atan2(dx, dz) - self.rotate, delay, dtime) + self.rotate return self:set_yaw(-atan2(dx, dz) - self.rotate, delay, dtime) + self.rotate