private void CreateResources(LoadedModelResources?modelResources, string?modelPath)
{
var isModelCached = _cachedResources.TryGetValue(modelPath ?? string.Empty, out var cachedResources);
if (isModelCached)
{
_loadedResources = cachedResources.LoadedResources;
_sharedResources = cachedResources.SharedResources;
}
else
{
if (modelResources is null)
{
using (var modelStream = GraphicsProvider.Path2ModelStream(modelPath))
{
if (modelStream is null)
{
throw new FileNotFoundException(modelPath);
}
_loadedResources = ModelLoader.LoadModel(modelStream);
}
}
else
{
_loadedResources = modelResources;
}
_sharedResources = CreateSharedResources(_loadedResources);
if (!string.IsNullOrEmpty(modelPath))
{
_cachedResources.Add(modelPath, new CachedModelResources
{
LoadedResources = _loadedResources,
SharedResources = _sharedResources,
});
}
}
_instanceResources = CreateInstanceResources();
}
private void CreateResources(LoadedModelResources?modelResources, string?modelPath)
{
var isModelCached = _cachedResources.TryGetValue(modelPath ?? string.Empty, out var cachedResources);
if (isModelCached)
{
_loadedResources = cachedResources.LoadedResources;
_sharedResources = cachedResources.SharedResources;
_batch = _modelBatches[cachedResources];
}
else
{
if (modelResources is null)
{
using (var modelStream = GraphicsProvider.Path2ModelStream(modelPath !))
{
if (modelStream is null)
{
throw new FileNotFoundException(modelPath);
}
try
{
_loadedResources = ModelLoader.LoadModel(modelStream);
}
catch (Exception e)
{
throw new InvalidDataException($"Unable to load model: {modelPath}", e);
}
}
}
else
{
_loadedResources = modelResources;
}
_sharedResources = CreateSharedResources(_loadedResources);
cachedResources = new CachedModelResources
{
LoadedResources = _loadedResources,
SharedResources = _sharedResources,
};
_batch = new ModelBatch
{
Models = new HashSet <ModelInstance>(),
};
_modelBatches.Add(cachedResources, _batch);
if (!string.IsNullOrEmpty(modelPath))
{
_cachedResources.Add(modelPath, cachedResources);
}
}
_instanceResources = CreateInstanceResources();
_batch.Models.Add(this);
}