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narzoul / DDrawCompat

DirectDraw and Direct3D 1-7 compatibility, performance and visual enhancements for Windows Vista, 7, 8, 10 and 11
BSD Zero Clause License
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Thief Gold and Thief 2: The Metal Age (issue) #272

Closed Sergiut99 closed 5 days ago

Sergiut99 commented 6 months ago

Hello developer. I've tested your ddraw.dll many times and it always shows excellent results in older games. Friezes and microlags simply disappeared in games!

But I encountered a serious problem with friezes and microlags in the legendary classic stealth games: Thief Gold and Thief 2. The modern patch 1.27 for these games turned out to be useless. Unable to find and contact the engine developer for fixing patch. I did hundreds of tests and spent a whole month trying to fix the problem through the game config. But I couldn't do anything, because I'm not a programmer Here in this topic I described the problem in detail. The game runs on DirectX6 and DirectX9 https://www.ttlg.com/forums/showthread.php?t=152466

https://youtu.be/Oiuv6PtiNrs

Maybe it is possible to create ddraw.dll for this game.

BEENNath58 commented 6 months ago

The game runs on DirectX6 and DirectX9

If I am not wrong, the T2fix updates changes the engine to use DirectX9, not supported by DDrawCompat.

If you use the original DX6 renderer, that is by removing T2fix, you'll need a lot more things to get the game running: single core affinity, registering LGVID.AX on every game run, 60FPS cap.

Sergiut99 commented 6 months ago

Can you advise which of the programmers i can contact for help on github? I know for sure, what causes the conflict is the original gen.osm file. the code in this file, as I understand it, runs various scripts in the game. For example, this file is necessary for the main character of the game to speak, once in a certain location of the game. Deleting this file breaks the game, but removes microlags and stuttering.

I ran the game on a single core and set it to 60fps, it didn't help

Sergiut99 commented 6 months ago

I disabled DirectX9 in the game via the config. The game started on a single core. But the problem didn't go away

DDrawCompat-Thief2.log

BEENNath58 commented 6 months ago

I am not sure how the T2fix affects the game.

I do the following for Thief 2:

Install the cd game. Update it to the newer version. Hook DxWnd to it with fake fullscreen + vsync + single core process affinity Register LGVID.AX Add dgVoodoo2 to fix the stats issue in the first mission

narzoul commented 2 months ago

Is this still an issue with v0.5.2?