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Modern Object Pascal Introduction for Programmers – Castle Game Engine

4 hours ago
  • Use TStream class and its descendants (TFileStream, TMemoryStream, TStringStream) for input/output in modern programs.
  • In Castle Game Engine, use the Download function to create streams from URLs, including HTTP, file, and castle-data: resources.
  • Use TCastleTextReader class for line-oriented reading of text files, wrapping a TStream.
  • Generic containers from Generics.Collections (TList, TObjectList, TDictionary, TObjectDictionary) offer type safety and efficiency.
  • Sorting and searching in generic lists require comparers, typically created using TComparer.Construct with a callback.
  • Cloning objects requires overriding the Assign method from TPersistent to copy fields, with proper handling of inheritance and calls to inherited Assign.