[Refactor] Load and Manage .DDS files with DirectXTex

By Kaiser,
February 16 in Programming & Scripts

https://metin2.dev/topic/34345-refactor-load-and-manage-dds-files-with-directxtex/

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Posted February 16

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While revising the old code in the project, I noticed the DXTCImage.cpp file and the .DDS files loaded within it. Upon examining where this file was used, I found it was only used in the GrpImageTexture.cpp file. Instead of using the outdated and complex DXTCImage structure, which is used exclusively by this file, I found it more appropriate to use the DirectXTex library. DirectXTex is a library designed for DX11/DX12 and is capable of doing many times more than the DXTCImage file. It does not have direct support for DirectX8/9, so we will use a small converter in the code. I've included many formats that can be used in Metin2 in this converter; if you get a syserr error, it means you need to update this code.

Please follow the steps below carefully. In case of any problems, revert the changes or use the #ifdef statement. Following this update, the DXTCImage.cpp and DXTCImage.h files will no longer be used.

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