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Merge pull request #14034 from Gymnasiast/fix/12939 

Fix #12939: divide-by-0 in Vehicle::UpdateMotionDodgems()
This commit is contained in:
Michael Steenbeek 2021-02-09 22:18:49 +01:00 committed by GitHub
parent 7744458cc8 25b26e769d
commit f75a48d8dc
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 3 additions and 2 deletions
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5
src/openrct2/ride/Vehicle.cpp
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@ -6468,7 +6468,7 @@ int32_t Vehicle::UpdateMotionDodgems()
return _vehicleMotionTrackFlags;
}
int32_t ebx = (speed * mass) >> 2;
int32_t momentum = (speed * mass) >> 2;
int32_t _eax = speed << 14;
if (HasUpdateFlag(VEHICLE_UPDATE_FLAG_REVERSING_SHUTTLE))
{
@ -6476,7 +6476,8 @@ int32_t Vehicle::UpdateMotionDodgems()
}
_eax -= velocity;
_eax *= powered_acceleration * 2;
_eax /= ebx;
if (momentum != 0)
_eax /= momentum;
acceleration = _eax - eax;
return _vehicleMotionTrackFlags;