// MonoBehaviour callbacks.
/**
* @brief Constructor.
*
*/
protected virtual void Awake()
{
renderer = (MeshRenderer)base.GetComponent <Renderer>();
renderer.hideFlags = HideFlags.HideInInspector | HideFlags.NotEditable;
renderer.shadowCastingMode = ShadowCastingMode.Off;
renderer.receiveShadows = false;
renderer.useLightProbes = false;
renderer.enabled = false;
meshFilter = GetComponent <MeshFilter>();
meshFilter.hideFlags = HideFlags.HideInInspector | HideFlags.NotEditable;
vertices = new Vector3[] {};
uv = new Vector2[] {};
uv2 = new Vector2[] {};
colors = new Color32[] {};
if ((meshFilter.sharedMesh == null) || !RegisterMesh(meshFilter.sharedMesh))
{
mesh = new Mesh();
mesh.name = "Tile Grid";
meshFilter.mesh = mesh;
regenerateMesh = true;
RegisterMesh(mesh);
}
else
{
mesh = meshFilter.sharedMesh;
}
flippedHorizontally = m_flipHorizontal;
flippedVertically = m_flipVertical;
AddTexRef(m_sprite, this);
#if UNITY_EDITOR
if (!regenerateMesh && !Application.isPlaying)
{
// The tile texture may have been changed while this object has been inactive or even
// not loaded at all. So we need to check the timestamp and update UV if needed.
long timestamp = 0;
int currentTsHigh = 0,
currentTsLow = 0;
if ((m_sprite != null) && (m_sprite.texture != null))
{
timestamp = AssetMetaCache.GetTimestamp(m_sprite.texture);
currentTsHigh = (int)(timestamp >> 32);
currentTsLow = (int)(timestamp & 0xFFFFFFFF);
}
if ((currentTsLow != timestampLow) || (currentTsHigh != timestampHigh))
{
regenerateMesh = true;
timestampLow = currentTsLow;
timestampHigh = currentTsHigh;
}
}
#endif
initialised = true;
}
void UpdateTexTimestamp()
{
#if UNITY_EDITOR
if ((m_sprite != null) && (m_sprite.texture != null))
{
long texTimestamp = AssetMetaCache.GetTimestamp(m_sprite.texture);
timestampHigh = (int)(texTimestamp >> 32);
timestampLow = (int)(texTimestamp & 0xFFFFFFFF);
}
else
{
timestampHigh = 0;
timestampLow = 0;
}
#endif
}
void OnPostprocessTexture(Texture2D _tex)
{
AssetMetaCache.UpdateMetaInfo(assetImporter.assetPath);
}