PRP Tool is a utility that allows to you edit properties of entities on the level in "Hitman Blood Money".
More details about format here
Decompile PRP to JSON:
python prptool.py SomeLevel.PRP SomeLevel.JSON decompile
Compile JSON to PRP back:
python prptool.py SomeLevel.JSON SomeLevel.PRP compile
- source - path to source file (PRP for 'decompile' option and JSON for 'compile')
- destination - path to result file
- mode - what shall we do: compile or decompile file