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Trying compression

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This commit is contained in:
Dynamitos
2024-10-01 11:15:38 +02:00
parent b5f3e8ee4f
commit 4ca43427e2
24 changed files with 199 additions and 203 deletions
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src/Editor/Asset/MeshLoader.cpp
+37 -20
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@@ -477,37 +477,56 @@ void MeshLoader::loadGlobalMeshes(const aiScene* scene, const Array<PMaterialIns
collider.boundingbox.adjust(Vector(mesh->mAABB.mMax.x, mesh->mAABB.mMax.y, mesh->mAABB.mMax.z));
work.add([=, this, &globalMeshes]() {
// assume static mesh for now
Array<Vector4> positions(mesh->mNumVertices);
StaticArray<Array<Vector2>, MAX_TEXCOORDS> texCoords;
Array<Vector> positions(mesh->mNumVertices);
StaticArray<Array<U16Vector2>, MAX_TEXCOORDS> texCoords;
for (size_t i = 0; i < MAX_TEXCOORDS; ++i) {
texCoords[i].resize(mesh->mNumVertices);
}
Array<Vector4> normals(mesh->mNumVertices);
Array<Vector4> tangents(mesh->mNumVertices);
Array<Vector4> biTangents(mesh->mNumVertices);
Array<Vector4> colors(mesh->mNumVertices);
Array<Quaternion> normals(mesh->mNumVertices);
Array<U16Vector> colors(mesh->mNumVertices);
for (int32 i = 0; i < mesh->mNumVertices; ++i) {
positions[i] = Vector4(mesh->mVertices[i].x, mesh->mVertices[i].y, mesh->mVertices[i].z, 1.0f);
positions[i] = Vector(mesh->mVertices[i].x, mesh->mVertices[i].y, mesh->mVertices[i].z);
for (size_t j = 0; j < MAX_TEXCOORDS; ++j) {
if (mesh->HasTextureCoords(j)) {
texCoords[j][i] = Vector2(mesh->mTextureCoords[j][i].x, mesh->mTextureCoords[j][i].y);
texCoords[j][i] = U16Vector2(mesh->mTextureCoords[j][i].x * 65535, mesh->mTextureCoords[j][i].y * 65535);
} else {
texCoords[j][i] = Vector2(0, 0);
texCoords[j][i] = U16Vector2(0, 0);
}
}
normals[i] = Vector4(mesh->mNormals[i].x, mesh->mNormals[i].y, mesh->mNormals[i].z, 1.0f);
Vector normal = Vector(mesh->mNormals[i].x, mesh->mNormals[i].y, mesh->mNormals[i].z);
Vector tangent = Vector(1, 0, 0);
Vector biTangent = Vector(0, 0, 1);
if (mesh->HasTangentsAndBitangents()) {
tangents[i] = Vector4(mesh->mTangents[i].x, mesh->mTangents[i].y, mesh->mTangents[i].z, 1.0f);
biTangents[i] = Vector4(mesh->mBitangents[i].x, mesh->mBitangents[i].y, mesh->mBitangents[i].z, 1.0f);
} else {
tangents[i] = Vector4(0, 0, 1, 1);
biTangents[i] = Vector4(1, 0, 0, 1);
tangent = Vector(mesh->mTangents[i].x, mesh->mTangents[i].y, mesh->mTangents[i].z);
biTangent = Vector(mesh->mBitangents[i].x, mesh->mBitangents[i].y, mesh->mBitangents[i].z);
}
Matrix3 tbn = {normal, biTangent, tangent};
Quaternion qTangent(tbn);
qTangent = glm::normalize(qTangent);
if (qTangent.w < 0)
qTangent = -qTangent;
const float bias = 1.0f / 32767.0f;
if (qTangent.w < bias) {
double normFactor = sqrt(1 - bias * bias);
qTangent.w = bias;
qTangent.x *= normFactor;
qTangent.y *= normFactor;
qTangent.z *= normFactor;
}
Vector naturalBinormal = glm::cross(tangent, normal);
if (glm::dot(naturalBinormal, biTangent) <= 0)
qTangent = -qTangent;
normals[i] = qTangent;
if (mesh->HasVertexColors(0)) {
colors[i] = Vector4(mesh->mColors[0][i].r, mesh->mColors[0][i].g, mesh->mColors[0][i].b, 1.0f);
colors[i] = U16Vector(mesh->mColors[0][i].r * 65535, mesh->mColors[0][i].g * 65535, mesh->mColors[0][i].b * 65535);
} else {
colors[i] = Vector4(1, 1, 1, 1);
colors[i] = U16Vector(1, 1, 1);
}
}
vertexData->loadPositions(offset, positions);
@@ -516,8 +535,6 @@ void MeshLoader::loadGlobalMeshes(const aiScene* scene, const Array<PMaterialIns
vertexData->loadTexCoords(offset, i, texCoords[i]);
}
vertexData->loadNormals(offset, normals);
vertexData->loadTangents(offset, tangents);
vertexData->loadBiTangents(offset, biTangents);
vertexData->loadColors(offset, colors);
Array<uint32> indices(mesh->mNumFaces * 3);
@@ -566,7 +583,7 @@ void MeshLoader::import(MeshImportArgs args, PMeshAsset meshAsset) {
Assimp::Importer importer;
importer.ReadFile(args.filePath.string().c_str(),
(uint32)(aiProcess_FlipUVs | aiProcess_Triangulate | aiProcess_SortByPType | aiProcess_GenBoundingBoxes |
aiProcess_GenSmoothNormals | aiProcess_GenUVCoords | aiProcess_FindDegenerates));
aiProcess_GenUVCoords | aiProcess_FindDegenerates));
const aiScene* scene = importer.ApplyPostProcessing(aiProcess_CalcTangentSpace);
std::cout << importer.GetErrorString() << std::endl;