void OnValidate()
{
if (m_firstDeserialization)
{
m_materialsLength = groundMaterials.Length;
m_firstDeserialization = false;
}
else
{
if (groundMaterials.Length != m_materialsLength)
{
if (m_materialsLength == 0)
{
for (int i = 0; i < groundMaterials.Length; i++)
groundMaterials[i] = new GroundMaterial();
}
m_materialsLength = groundMaterials.Length;
}
}
}
// Updates a ground material reference based on the physics material assigned to a collider
// using a cached reference for the physics material. This way the ground material manager
// is queried only when the physic material changes.
void UpdateGroundMaterialCached(PhysicMaterial colliderMaterial, ref PhysicMaterial cachedMaterial, ref GroundMaterial groundMaterial)
{
if (m_groundMaterialManager != null)
{
// Query the ground material (slow, table look-up) only when the physic material changes.
// Otherwise keep the actual known material.
if (colliderMaterial != cachedMaterial)
{
cachedMaterial = colliderMaterial;
groundMaterial = m_groundMaterialManager.GetGroundMaterial(colliderMaterial);
}
}
else
{
groundMaterial = null;
}
}