This is a collection of examples made for DelphiDoom.
Example #5 - Use dll from PascalScript
Example #6 - Slopes and ladder
Example #7 - Encapsulate a DLL inside WAD
Example #9 - 32 sprite rotations
Example #12 - Actor inheritance
Example #14 - Random tics in states
Example #15 - Floor and ceiling texture offsets
Example #16 - Procedural trees