/// <summary>
/// Creates a appearance hash
/// </summary>
/// <param name="Seed"></param>
/// <returns></returns>
protected virtual uint GetAppearanceHash(uint Seed)
{
// calculate hash
hash.Reset(Seed);
hash.Step((uint)(RenderInfo.Dimension.X));
hash.Step((uint)(RenderInfo.Dimension.Y));
hash.Step((uint)(HotspotIndex));
return(hash.Finish());
}
protected override uint GetAppearanceHash(uint Seed)
{
// calculate hash
Murmur3 hash = new Murmur3(Seed);
hash.Step((uint)(RenderInfo.Dimension.X));
hash.Step((uint)(RenderInfo.Dimension.Y));
hash.Step((uint)(HotspotIndex));
// additional to generic values: add flags
hash.Step(dataSource.Flags.Value);
return(hash.Finish());
}
/// <summary>
/// Creates a 32bit hash for the appearance of the projectile.
/// </summary>
/// <returns></returns>
protected virtual uint GetAppearanceHash()
{
hash.Reset();
hash.Step((uint)overlayFileRID);
hash.Step((uint)flags);
hash.Step((uint)colorTranslation);
if (resource != null)
{
hash.Step((uint)ViewerFrameIndex);
}
return(hash.Finish());
}
public ulong CalculateHash()
{
const float position_granularity = 0.001f; // millimeter
const float normal_granularity = 0.00001f;
const float color_granularity = 0.001f;
const float uv_granularity = 0.0001f;
var hasher = new Murmur3();
hasher.AddHash(m_posSet);
hasher.AddHash(m_normalSet);
hasher.AddHash(m_uv1Set);
hasher.AddHash(m_uv2Set);
hasher.AddHash(m_uv3Set);
if (m_posSet)
{
hasher.AddHash(m_pos, position_granularity);
}
if (m_normalSet)
{
hasher.AddHash(m_normal, normal_granularity);
}
hasher.AddHash(m_color, color_granularity);
if (m_uv1Set)
{
hasher.AddHash(m_uv1, uv_granularity);
}
if (m_uv2Set)
{
hasher.AddHash(m_uv2, uv_granularity);
}
if (m_uv3Set)
{
hasher.AddHash(m_uv3, uv_granularity);
}
hasher.Finish();
return(hasher.Hash64Bit);
}
/// <summary>
/// Creates a 32bit hash for the appearance of the object.
/// </summary>
/// <returns></returns>
protected virtual uint GetAppearanceHash()
{
hash.Reset();
hash.Step((uint)overlayFileRID);
//hash.Step((uint)flags.Flags);
hash.Step((uint)colorTranslation);
if (resource != null)
{
hash.Step((uint)ViewerFrameIndex);
}
foreach (SubOverlay obj in subOverlays)
{
hash.Step((uint)obj.GetAppearanceHash(false));
}
return(hash.Finish());
}