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Trying to fix shading

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This commit is contained in:
Dynamitos
2023-12-03 00:29:02 +01:00
parent 6c156d3bc2
commit 178f48120d
12 changed files with 115 additions and 45 deletions
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src/Editor/Asset/MeshLoader.cpp
+82 -27
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@@ -48,11 +48,14 @@ void MeshLoader::loadMaterials(const aiScene* scene, const std::string& baseName
{
aiMaterial* material = scene->mMaterials[i];
json matCode;
std::string materialName = std::format("{0}{1}{2}", baseName, material->GetName().C_Str(), char(i+'a'));
std::string materialName = std::format("{0}{1}{2}", baseName, material->GetName().C_Str(), i);
materialName.erase(std::remove(materialName.begin(), materialName.end(), '.'), materialName.end()); // dots break adding the .asset extension later
matCode["name"] = materialName;
matCode["profile"] = "BlinnPhong"; //TODO: other shading models
aiString texPath;
uint32 baseColorIndex = 0;
uint32 normalIndex = 0;
int32 codeIndex = -1;
if(material->GetTexture(aiTextureType_DIFFUSE, 0, &texPath) == AI_SUCCESS)
{
auto texFilename = std::filesystem::path(texPath.C_Str()).stem();
@@ -60,13 +63,11 @@ void MeshLoader::loadMaterials(const aiScene* scene, const std::string& baseName
{
matCode["code"].push_back(
{
{ "exp", "BRDF" },
{ "profile", "BlinnPhong" },
{ "values", {
{"baseColor", "float3(1, 1, 1)"}
}}
{ "exp", "Const" },
{ "value", "float3(1, 1, 1)"}
}
);
baseColorIndex = ++codeIndex;
}
else
{
@@ -88,46 +89,100 @@ void MeshLoader::loadMaterials(const aiScene* scene, const std::string& baseName
{ "exp", "Sample" },
{ "texture", "diffuseTexture" },
{ "sampler", "diffuseSampler" },
{ "coords", "input.texCoords[0]"}
{ "coords", "input.texCoords"}
}
);
++codeIndex;
matCode["code"].push_back(
{
{ "exp", "Swizzle" },
{ "target", 0 },
{ "target", codeIndex },
{ "comp", json::array({0, 1, 2}) },
}
);
matCode["code"].push_back(
{
{ "exp", "BRDF" },
{ "profile", "BlinnPhong" },
{ "values", {
{"baseColor", 1}
}}
}
);
baseColorIndex = ++codeIndex;
}
}
else
{
matCode["code"].push_back(
{
{ "exp", "BRDF" },
{ "profile", "BlinnPhong" },
{ "values", {
{"baseColor", "input.vertexColor.xyz"}
}}
{ "exp", "Const" },
{ "value", "input.vertexColor.xyz" }
}
);
}
if(material->GetTexture(aiTextureType_SPECULAR, 0, &texPath) == AI_SUCCESS)
{
baseColorIndex = ++codeIndex;
}
if(material->GetTexture(aiTextureType_NORMALS, 0, &texPath) == AI_SUCCESS)
{
auto texFilename = std::filesystem::path(texPath.C_Str()).stem();
AssetImporter::importTexture(TextureImportArgs{
.filePath = meshDirectory / texPath.C_Str(),
.importPath = importPath,
});
matCode["params"]["normalTexture"] =
{
{"type", "Texture2D"},
{"default", texFilename.string()}
};
matCode["params"]["normalSampler"] =
{
{"type", "Sampler"}
};
matCode["code"].push_back(
{
{ "exp", "Sample" },
{ "texture", "normalTexture" },
{ "sampler", "normalSampler" },
{ "coords", "input.texCoords" }
}
);
++codeIndex;
matCode["code"].push_back(
{
{ "exp", "Swizzle" },
{ "target", codeIndex },
{ "comp", json::array({0, 1, 2}) },
}
);
++codeIndex;
matCode["code"].push_back(
{
{ "exp", "Mul" },
{ "lhs", "2" },
{ "rhs", codeIndex },
}
);
++codeIndex;
matCode["code"].push_back(
{
{ "exp", "Sub" },
{ "lhs", codeIndex },
{ "rhs", "float3(1, 1, 1)"},
}
);
normalIndex = ++codeIndex;
}
else
{
matCode["code"].push_back(
{
{ "exp", "Const" },
{ "value", "float3(0, 0, 1)" }
}
);
normalIndex = ++codeIndex;
}
matCode["code"].push_back(
{
{ "exp", "BRDF" },
{ "profile", "BlinnPhong" },
{ "values", {
{ "baseColor", baseColorIndex },
{ "normal", normalIndex },
}}
}
);
std::string outMatFilename = materialName.append(".json");
std::ofstream outMatFile = std::ofstream(meshDirectory / outMatFilename);
outMatFile << std::setw(4) << matCode;
@@ -181,7 +236,7 @@ void MeshLoader::loadGlobalMeshes(const aiScene* scene, const Array<PMaterialIns
for (uint32 i = 0; i < mesh->mNumVertices; ++i)
{
positions[i] = Vector(mesh->mVertices[i].x, mesh->mVertices[i].y, mesh->mVertices[i].z);
texCoords[i] = Vector2(mesh->mTextureCoords[0][i].x, mesh->mTextureCoords[0][i].x);
texCoords[i] = Vector2(mesh->mTextureCoords[0][i].x, mesh->mTextureCoords[0][i].y);
normals[i] = Vector(mesh->mNormals[i].x, mesh->mNormals[i].y, mesh->mNormals[i].z);
tangents[i] = Vector(mesh->mTangents[i].x, mesh->mTangents[i].y, mesh->mTangents[i].z);
biTangents[i] = Vector(mesh->mBitangents[i].x, mesh->mBitangents[i].y, mesh->mBitangents[i].z);