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Added tangent and binormal calculation, corrected scale, rotate and translate order of operations.

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This commit is contained in:
LJW-Dev
2026-02-07 17:19:28 +08:00
committed by Jan Laupetin
parent bf0d527280
commit 663c5cfe28
3 changed files with 24 additions and 6 deletions
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src/ObjLoading/Game/T6/BSP/BSPCreator.cpp
+19 -2
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@@ -7,6 +7,7 @@
#include "XModel/Gltf/Internal/GltfBuffer.h"
#include "XModel/Gltf/Internal/GltfBufferView.h"
#include "XModel/Gltf/JsonGltf.h"
#include "XModel/Tangentspace.h"
#pragma warning(push, 0)
#include <Eigen>
@@ -182,9 +183,9 @@ namespace
Eigen::Vector3d scale(localScale[0], localScale[1], localScale[2]);
Eigen::Affine3d transform = Eigen::Affine3d::Identity();
transform.translate(translation);
transform.rotate(rotation);
transform.scale(scale);
transform.rotate(rotation);
transform.translate(translation);
return transform.matrix();
}
@@ -293,6 +294,22 @@ namespace
m_bsp->gfxWorld.vertices.emplace_back(vertex);
}
// generate tangent and binormal vectors
tangent_space::VertexData vertexData{
&m_bsp->gfxWorld.vertices[surface.indexOfFirstVertex].pos,
sizeof(BSPVertex),
&m_bsp->gfxWorld.vertices[surface.indexOfFirstVertex].normal,
sizeof(BSPVertex),
&m_bsp->gfxWorld.vertices[surface.indexOfFirstVertex].texCoord,
sizeof(BSPVertex),
&m_bsp->gfxWorld.vertices[surface.indexOfFirstVertex].tangent,
sizeof(BSPVertex),
&m_bsp->gfxWorld.vertices[surface.indexOfFirstVertex].binormal,
sizeof(BSPVertex),
&m_bsp->gfxWorld.indices[surface.indexOfFirstIndex],
};
tangent_space::CalculateTangentSpace(vertexData, faceCount, vertexCount);
return vertexOffset;
}