/// <summary>
/// Function to retrieve the texture if it's not assigned.
/// </summary>
/// <returns>TRUE if the texture was found, FALSE if not.</returns>
internal bool GetTexture()
{
if (!string.IsNullOrEmpty(_textureName))
{
// Copy to local values because LINQ doesn't seem to work with members
// of a struct.
string textureName = _textureName;
GorgonTexture2DSettings settings = _settings;
// Our texture is deferred, so we need to find it in the graphics object tracked
// object list.
// In order to do that, we need to find all graphics objects first:
var graphics = Gorgon.GetTrackedObjectsOfType <GorgonGraphics>();
// We have no graphics, then we can't do display a texture anyway, so throw an exception.
if (graphics.Count == 0)
{
throw new GorgonException(GorgonResult.NotInitialized, Resources.GORANM_KEYFRAME_TEXTURE_NOGFX);
}
var textures = (from graphicsObject in graphics
from graphicsTexture in graphicsObject.GetTrackedObjectsOfType <GorgonTexture2D>()
select graphicsTexture).ToArray();
// Then, we begin our search by looking at -all- the texture information we have:
Value = (from graphicsTexture in textures
where (string.Equals(graphicsTexture.Name, textureName, StringComparison.OrdinalIgnoreCase)) &&
(graphicsTexture.Settings.ArrayCount == settings.ArrayCount) &&
(graphicsTexture.Settings.Format == settings.Format) &&
(graphicsTexture.Settings.Height == settings.Height) &&
(graphicsTexture.Settings.Width == settings.Width) &&
(graphicsTexture.Settings.IsTextureCube == settings.IsTextureCube) &&
(graphicsTexture.Settings.MipCount == settings.MipCount) &&
(graphicsTexture.Settings.Multisampling == settings.Multisampling)
select graphicsTexture).FirstOrDefault();
// ReSharper disable ConvertIfStatementToNullCoalescingExpression
if (Value == null)
{
// That one failed, so just try and look it up by name, width, height and format.
Value = (from graphicsTexture in textures
where (string.Equals(graphicsTexture.Name, textureName, StringComparison.OrdinalIgnoreCase)) &&
(graphicsTexture.Settings.Format == settings.Format) &&
(graphicsTexture.Settings.Height == settings.Height) &&
(graphicsTexture.Settings.Width == settings.Width)
select graphicsTexture).FirstOrDefault() ?? (from graphicsTexture in textures
where (string.Equals(graphicsTexture.Name, textureName, StringComparison.OrdinalIgnoreCase))
select graphicsTexture).FirstOrDefault();
}
// ReSharper restore ConvertIfStatementToNullCoalescingExpression
}
// We have our texture, stop deferring.
if (Value == null)
{
return(false);
}
_textureName = string.Empty;
return(true);
}