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-rw-r--r--src/Entities/Entity.cpp10
1 files changed, 9 insertions, 1 deletions
diff --git a/src/Entities/Entity.cpp b/src/Entities/Entity.cpp
index f0118104b..87d385691 100644
--- a/src/Entities/Entity.cpp
+++ b/src/Entities/Entity.cpp
@@ -2239,8 +2239,16 @@ Vector3d cEntity::GetLookVector(void) const
// Set position
void cEntity::SetPosition(const Vector3d & a_Position)
{
+ // Clamp the positions to exactly representable single-precision floating point values
+ // This is necessary to avoid rounding errors in the noise generator and overflows in the chunk loader
+ const double MaxFloat = std::pow(2, std::numeric_limits<float>().digits);
+
+ const double ClampedPosX = Clamp(a_Position.x, -MaxFloat, MaxFloat);
+ const double ClampedPosY = Clamp(a_Position.y, -MaxFloat, MaxFloat);
+ const double ClampedPosZ = Clamp(a_Position.z, -MaxFloat, MaxFloat);
+
m_LastPosition = m_Position;
- m_Position = a_Position;
+ m_Position = {ClampedPosX, ClampedPosY, ClampedPosZ};
}