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Now able to import stuff properly

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This commit is contained in:
Dynamitos
2024-05-06 18:36:16 +02:00
parent 05bb1d0cee
commit af7d624d06
21 changed files with 189 additions and 79 deletions
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src/Editor/Asset/MeshLoader.cpp
+45 -21
View File
@@ -52,7 +52,7 @@ void MeshLoader::convertAssimpARGB(unsigned char* dst, aiTexel* src, uint32 numP
dst[i * 4 + 3] = src[i].a;
}
}
void MeshLoader::loadTextures(const aiScene* scene, const std::filesystem::path& meshDirectory, const std::string& importPath, Map<std::string, PTextureAsset>& textures)
void MeshLoader::loadTextures(const aiScene* scene, const std::filesystem::path& meshDirectory, const std::string& importPath, Array<PTextureAsset>& textures)
{
for (uint32 i = 0; i < scene->mNumTextures; ++i)
{
@@ -66,6 +66,7 @@ void MeshLoader::loadTextures(const aiScene* scene, const std::filesystem::path&
}
else
{
texPath = (meshDirectory / texPath).replace_extension("png");
if (tex->mHeight == 0)
{
// already compressed, just dump it to the disk
@@ -87,7 +88,7 @@ void MeshLoader::loadTextures(const aiScene* scene, const std::filesystem::path&
.filePath = texPath,
.importPath = importPath,
});
textures[texPath.string()] = AssetRegistry::findTexture(importPath, texPath.string());
textures.add(AssetRegistry::findTexture(importPath, texPath.stem().string()));
}
}
@@ -107,7 +108,7 @@ constexpr const char* KEY_ROUGHNESS_TEXTURE = "tex_r";
constexpr const char* KEY_METALLIC_TEXTURE = "tex_m";
constexpr const char* KEY_AMBIENT_OCCLUSION_TEXTURE = "tex_ao";
void MeshLoader::loadMaterials(const aiScene* scene, const Map<std::string, PTextureAsset>& textures, const std::string& baseName, const std::filesystem::path& meshDirectory, const std::string& importPath, Array<PMaterialInstanceAsset>& globalMaterials)
void MeshLoader::loadMaterials(const aiScene* scene, const Array<PTextureAsset>& textures, const std::string& baseName, const std::filesystem::path& meshDirectory, const std::string& importPath, Array<PMaterialInstanceAsset>& globalMaterials)
{
for(uint32 i = 0; i < scene->mNumMaterials; ++i)
{
@@ -150,7 +151,7 @@ void MeshLoader::loadMaterials(const aiScene* scene, const Map<std::string, PTex
parameters.add(paramKey);
};
auto addTextureParameter = [&](std::string paramKey, aiTextureType type, int index, std::string& result, StaticArray<int32, 4> extractMask = {0, 1, 2, -1})
auto addTextureParameter = [&](std::string paramKey, aiTextureType type, int index, std::string& result, StaticArray<int32, 4> extractMask = { 0, 1, 2, -1 })
{
aiString texPath;
aiTextureMapping mapping;
@@ -162,13 +163,14 @@ void MeshLoader::loadMaterials(const aiScene* scene, const Map<std::string, PTex
{
std::cout << "fuck" << std::endl;
}
std::string textureKey = fmt::format("{0}Texture{1}", paramKey, index);
auto texFilename = std::filesystem::path(texPath.C_Str());
PTextureAsset texture;
if (textures.contains(texFilename.string()))
if (texFilename.string()[0] == '*')
{
texture = textures[texFilename.string()];
texture = textures[atoi(texFilename.string().substr(1).c_str())];
}
else if (std::filesystem::exists(texFilename))
{
@@ -380,21 +382,32 @@ void MeshLoader::loadMaterials(const aiScene* scene, const Map<std::string, PTex
brdf.variables["baseColor"] = outputDiffuse;
if (!outputNormal.empty())
{
brdf.variables["normal"] = outputNormal;
expressions.add(new MulExpression());
expressions.back()->key = "NormalMul";
expressions.back()->inputs["lhs"].source = "2";
expressions.back()->inputs["rhs"].source = outputNormal;
expressions.add(new SubExpression());
expressions.back()->key = "NormalSub";
expressions.back()->inputs["lhs"].source = "NormalMul";
expressions.back()->inputs["rhs"].source = "float3(1,1,1)";
brdf.variables["normal"] = "NormalSub";
}
aiShadingMode mode;
material->Get(AI_MATKEY_SHADING_MODEL, mode);
switch (mode) {
case aiShadingMode_Blinn:
brdf.profile = "Phong";
brdf.variables["specular"] = outputSpecular;
brdf.profile = "BlinnPhong";
brdf.variables["specularColor"] = outputSpecular;
brdf.variables["ambient"] = outputAmbient;
brdf.variables["shininess"] = outputShininess;
break;
case aiShadingMode_Phong:
brdf.profile = "BlinnPhong";
brdf.variables["specularColor"] = outputSpecular;
brdf.profile = "Phong";
brdf.variables["specular"] = outputSpecular;
brdf.variables["ambient"] = outputAmbient;
brdf.variables["shininess"] = outputShininess;
break;
case aiShadingMode_Toon:
brdf.profile = "CelShading";
@@ -458,7 +471,11 @@ void MeshLoader::loadGlobalMeshes(const aiScene* scene, const Array<PMaterialIns
// assume static mesh for now
Array<Vector> positions(mesh->mNumVertices);
Array<Vector2> texCoords(mesh->mNumVertices);
StaticArray<Array<Vector2>, MAX_TEXCOORDS> texCoords;
for (size_t i = 0; i < MAX_TEXCOORDS; ++i)
{
texCoords[i].resize(mesh->mNumVertices);
}
Array<Vector> normals(mesh->mNumVertices);
Array<Vector> tangents(mesh->mNumVertices);
Array<Vector> biTangents(mesh->mNumVertices);
@@ -469,13 +486,16 @@ void MeshLoader::loadGlobalMeshes(const aiScene* scene, const Array<PMaterialIns
for (int32 i = 0; i < mesh->mNumVertices; ++i)
{
positions[i] = Vector(mesh->mVertices[i].x, mesh->mVertices[i].y, mesh->mVertices[i].z);
if (mesh->HasTextureCoords(0))
for (size_t j = 0; j < MAX_TEXCOORDS; ++j)
{
texCoords[i] = Vector2(mesh->mTextureCoords[0][i].x, mesh->mTextureCoords[0][i].y);
}
else
{
texCoords[i] = Vector2(0, 0);
if (mesh->HasTextureCoords(j))
{
texCoords[j][i] = Vector2(mesh->mTextureCoords[j][i].x, mesh->mTextureCoords[j][i].y);
}
else
{
texCoords[j][i] = Vector2(0, 0);
}
}
normals[i] = Vector(mesh->mNormals[i].x, mesh->mNormals[i].y, mesh->mNormals[i].z);
if (mesh->HasTangentsAndBitangents())
@@ -499,7 +519,11 @@ void MeshLoader::loadGlobalMeshes(const aiScene* scene, const Array<PMaterialIns
}
MeshId id = vertexData->allocateVertexData(mesh->mNumVertices);
vertexData->loadPositions(id, positions);
vertexData->loadTexCoords(id, texCoords);
for (size_t i = 0; i < MAX_TEXCOORDS; ++i)
{
vertexData->loadTexCoords(id, i, texCoords[i]);
}
vertexData->loadNormals(id, normals);
vertexData->loadTangents(id, tangents);
vertexData->loadBiTangents(id, biTangents);
@@ -570,7 +594,7 @@ void MeshLoader::import(MeshImportArgs args, PMeshAsset meshAsset)
const aiScene *scene = importer.ApplyPostProcessing(aiProcess_CalcTangentSpace);
std::cout << importer.GetErrorString() << std::endl;
Map<std::string, PTextureAsset> textures;
Array<PTextureAsset> textures;
loadTextures(scene, args.filePath.parent_path(), args.importPath, textures);
Array<PMaterialInstanceAsset> globalMaterials(scene->mNumMaterials);
loadMaterials(scene, textures, args.filePath.stem().string(), args.filePath.parent_path(), args.importPath, globalMaterials);
src/Editor/Asset/MeshLoader.h
+2 -2
View File
@@ -27,8 +27,8 @@ public:
~MeshLoader();
void importAsset(MeshImportArgs args);
private:
void loadTextures(const aiScene* scene, const std::filesystem::path& meshDirectory, const std::string& importPath, Map<std::string, PTextureAsset>& textures);
void loadMaterials(const aiScene* scene, const Map<std::string, PTextureAsset>& textures, const std::string& baseName, const std::filesystem::path& meshDirectory, const std::string& importPath, Array<PMaterialInstanceAsset>& globalMaterials);
void loadTextures(const aiScene* scene, const std::filesystem::path& meshDirectory, const std::string& importPath, Array<PTextureAsset>& textures);
void loadMaterials(const aiScene* scene, const Array<PTextureAsset>& textures, const std::string& baseName, const std::filesystem::path& meshDirectory, const std::string& importPath, Array<PMaterialInstanceAsset>& globalMaterials);
void loadGlobalMeshes(const aiScene* scene, const Array<PMaterialInstanceAsset>& materials, Array<OMesh>& globalMeshes, Component::Collider& collider);
void convertAssimpARGB(unsigned char* dst, aiTexel* src, uint32 numPixels);