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Time is critical in Dune, for example to know when the Emperor is going to ask for Spice.

Also, time always move forward, unless the game is paused (this is done with the P key on the keyboard)

Current implementation is in engines/dune/sound/midiadlib.cpp

It takes a lot from AdPlug.

However, it seems to be not 100% faithful (OPL commands are not always the same as in DOSBox)

Right now, we know that this is related to the data file DIALOGUE.HSQ

Documentation is in a private repo.

@madmoose is on it. :)

Current implementation is in engines/dune/sound/midiadlib.cpp

It takes a lot from AdPlug.

However, it seems to be not 100% faithful (OPL commands are not always the same as in DOSBox), and it sounds really weird compared to DOSBox.

Most VOC files have lip syncing information at the end.

See https://github.com/maximilien-noal/OpenRakis/tree/master/tools/cd/LipsExtractor

A multiplatform (Win/Mac/Linux) to extract lip-syncing information from Dune's VOC files, written with .NET 5.

You'll need to extract the files from DUNE.DAT first with this other .NET 5 tool:
https://github.com/maximilien-noal/OpenRakis/tree/master/tools/cd/DuneExtractor

This information needs to be parsed first.

see intro.cpp in the branch named 'dune'.

engines/dune/intro.cpp

This is a broad issue, of course.

Some topic yet to be discovered would be:

• How battles between Fremen troops and Harkonnen troops are calculated (outcome, men lost, morale, ...)
• How the game state changes (that is, the global game state field)
• How Paul's contact distance works
• How and when sietchs and villages can be discovered
• Etc...

Documentation is in a private repo

This special screen is located in the most far room in the Atreides Palace.

Current effort is at:
https://github.com/maximilien-noal/OpenRakis/tree/master/tools/cd/DuneEdit2

Original save game editor code is at:
https://github.com/maximilien-noal/OpenRakis/tree/master/tools/cd/DuneEdit

What is already mapped:
Spice
Charisma
Contact Distance
Sietchs
Troops
Date & Time Value used in the description of savegames in the load/save screen menu
Current Date & Time

There's a lot of resources about it on the DUNE2K forum:
https://forum.dune2k.com/topic/20497-dune-cheats/
https://forum.dune2k.com/topic/28488-advanced-questions-on-saved-game-hex-editing/

Current effort is at:
https://github.com/maximilien-noal/OpenRakis/tree/master/tools/cd/DuneEdit2

Original save game editor code is at:
https://github.com/maximilien-noal/OpenRakis/tree/master/tools/cd/DuneEdit

What is already mapped:
Spice
Charisma
Contact Distance
Sietchs
Troops
Date & Time Value used in the description of savegames in the load/save screen menu
Current Date & Time

There's a lot of resources about it on the DUNE2K forum:
https://forum.dune2k.com/topic/20497-dune-cheats/
https://forum.dune2k.com/topic/28488-advanced-questions-on-saved-game-hex-editing/

Dune has a font system for dialogs and menus.

Right now, the engine on the dune branch doesn't have a font system at all.

See:
https://github.com/sonicpp/Dune-game-translations

Or an existing effort:
https://github.com/sonicpp/dunerevival-code/blob/master/cryo/font.cpp