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Update ObjectToD3DVertList to use MikkTSpace - #38

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Update ObjectToD3DVertList to use MikkTSpace#38
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Updates ObjectToD3DVertList in src/ProcessModel.cpp to use MikkTSpace tangent generation matching Compute3DSModelNormals and ComputeMD2ModelNormals.


PR created automatically by Jules for task 12796579724784164357 started by @moonwho101

Integrated MikkTSpace tangent space generation into ObjectToD3DVertList in
src/ProcessModel.cpp, matching the implementation used in Compute3DSModelNormals
and ComputeMD2ModelNormals. Defined ObjectMikkUserData and the required
SMikkTSpaceInterface callbacks for D3DVERTEX2 array src_v, and invoke
genTangSpaceDefault at the end of ObjectToD3DVertList.

Co-authored-by: moonwho101 <90150577+moonwho101@users.noreply.github.com>
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…ce correctly

Integrated MikkTSpace tangent space generation into ObjectToD3DVertList in
src/ProcessModel.cpp. Additionally, reviewed and fixed Compute3DSModelNormals
and ThreeDSMikk_GetTexCoord by inverting the V texture coordinate (1.0 - V)
to match PlayerToD3DIndexedVertList, removing coordinate swapping during initial
face normal calculations, normalizing accumulated vertex normals, and adding
orthogonal fallback tangents to fix black triangle rendering artifacts on 3DS models.

Co-authored-by: moonwho101 <90150577+moonwho101@users.noreply.github.com>
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