private static bool LoadContentFromReference(ContentReference contentRef, out ContentHandle outHandle)
{
// Verify parameters and basic validity of the content reference:
outHandle = null;
if (contentRef == null)
{
Debug.LogError("[ContentLoader] Error! Cannot load content from null reference!");
return(false);
}
if (!contentRef.IsValid())
{
Debug.LogError($"[ContentLoader] Error! Content reference '{contentRef}' is invalid, cannot load content!");
return(false);
}
// Load the content from whichever source it is located in:
switch (contentRef.source)
{
case ContentLoadSource.File:
// Content object was serialized to file, read and deserialize it:
return(ContentFileLoader.LoadContent(contentRef, out outHandle));
case ContentLoadSource.Database:
// Content was stored in a database (SQL or other), retrieve it:
return(LoadContentFromDatabase(contentRef, out outHandle));
default:
// Unidentified source, log an error message and return failure:
Debug.LogError($"[ContentLoader] Error! Content source '{contentRef.source}' is unknown, cannot load content for reference '{contentRef}'!");
break;
}
return(false);
}
public static bool SaveContent(string nameKey, object content, out ContentRefAndHandle refAndHandle, ContentLoadSource saveLocation = ContentLoadSource.File)
{
refAndHandle = null;
if (string.IsNullOrWhiteSpace(nameKey))
{
Debug.LogError("[ContentLoader] Error! Content name may not be null, empty, or blank!");
return(false);
}
if (content == null)
{
Debug.LogError("[ContentLoader] Error! Cannot save null content!");
return(false);
}
// Check if a piece of content with this same name has been created before:
bool exists = contentLoadedDict.TryGetValue(nameKey, out ContentHandle handle);
exists |= contentDict.TryGetValue(nameKey, out ContentReference reference);
// If we're dealing with new content, create and register new reference and handle objects:
string sourcePath = reference?.sourcePath;
if (!exists)
{
reference = new ContentReference(nameKey, content.GetType(), saveLocation, sourcePath);
contentDict.Add(nameKey, reference);
}
if (handle == null)
{
handle = new ContentHandle(nameKey, content);
contentLoadedDict.Add(nameKey, handle);
}
// Save content to file: (this will overwrite any previous version of the content)
bool wasSaved = false;
switch (saveLocation)
{
case ContentLoadSource.File:
if (string.IsNullOrWhiteSpace(reference.sourcePath))
{
reference.sourcePath = ContentFileLoader.CreateSourcePath(handle);
}
wasSaved = ContentFileLoader.SaveContent(reference, handle);
break;
case ContentLoadSource.Database:
// TODO
break;
default:
break;
}
// Output both content identifiers and return success:
refAndHandle = new ContentRefAndHandle(reference, handle);
return(true);
}
