Josh

This is what our FBX converter looks like:

It looks like there is a very bad problem with bones in assimp. It looks like it quadruples the number of bones in the model.

It is possible that maybe assimp and my libzip are conflicting somehow?

0.9.5 Some bug fixes Added experimental support for FBX and X files. Animation is not yet supported. You must add this header search path to existing C++ projects in the project settings: $(ULTRAENGINE)\Include\Libraries\assimp\include You will also see noticeably smoother camera movement, best with release mode and VSync on.

Okay, this was just because of the change in the scene tree...should be working in next build.

Okay, I believe this will be fixed when a new build goes up...

I am seeing something weird on my 1080

I correct the function definition: "Point", sol::overload ( [](Entity& e, shared_ptr<Entity> target) { e.Point(target); }, [](Entity& e, shared_ptr<Entity> target, int a) { e.Point(target, a); }, [](Entity& e, shared_ptr<Entity> target, int a, float r) { e.Point(target, a, r); }, [](Entity& e, shared_ptr<Entity> target, int a, float r, float z) { e.Point(target, a, r, z); }, [](Entity& e, Vec3& target) { e.Point(target); }, [](Entity& e, Vec3& target, int a) { e.Point(target, a); }, [](Entity& e, Vec3& target, int a, float r) { e.Point(target, a, r); }, [](Entity& e, Vec3& target, int a, float r, float z) { e.Point(target, a, r, z); }, [](Entity& e, float x, float y, float z) { e.Point(x,y,z); }, [](Entity& e, float x, float y, float z, int a) { e.Point(x, y, z, a); }, [](Entity& e, float x, float y, float z, int a, float r) { e.Point(x, y, z, a, r); }, [](Entity& e, float x, float y, float z, int a, float r, float roll) { e.Point(x, y, z, a, r, roll); } ),

Test: local world = CreateWorld() local box = CreateBox(world) local box2 = CreateBox(world); box:SetPosition(2,0,0) box:Point(box2, 2, 1, 0) result: sol: no matching function call takes this number of arguments and the specified types

I changed the function definition to support NULL for the parent parameter.

Yes, please send your project.

This is a protected member that was meant for possible future development. I am making this member private. I also added a read-only font member to the Interface class. This will only be non-NULL when a 3D GUI is created.

This is looking pretty good. Everything except animations is loading now. I tried the Step file loading, but it failed on my first try, and there are a lot of posts saying it's not really supported, as I suspected. #include "UltraEngine.h" #include "ComponentSystem.h" #include "assimp/include/assimp/Importer.hpp" #include "assimp/include/assimp/scene.h" #include "assimp/include/assimp/postprocess.h" #include "assimp/include/assimp/pbrmaterial.h" using namespace UltraEngine; shared_ptr<Model> AILoadModel(const aiScene* scene, aiNode* node, shared_ptr<World> world, shared_ptr<Entity> parent, const std::vector<shared_ptr<Material> >& materials) { auto model = CreateModel(world); model->SetParent(parent); model->name = std::string(node->mName.C_Str()); // Process meshes attached to the current node (if any) for (unsigned int i = 0; i < node->mNumMeshes; i++) { MeshPrimitives mode = MeshPrimitives(0); aiMesh* aimesh = scene->mMeshes[node->mMeshes[i]]; switch (aimesh->mPrimitiveTypes) { case aiPrimitiveType_POINT: mode = MESH_POINTS; break; case aiPrimitiveType_LINE: mode = MESH_LINES; break; case aiPrimitiveType_POLYGON: if (aimesh->mNumFaces > 0 and aimesh->mFaces[0].mNumIndices == 4) mode = MESH_QUADS; break; case aiPrimitiveType_TRIANGLE: mode = MESH_TRIANGLES; break; } if (mode != 0 and aimesh->HasPositions()) { auto mesh = model->AddMesh(mode); Vec3 pos, norm; Vec2 texcoords; Vec4 color; std::array<int, 4> bones; std::array<float, 4> weights; for (int v = 0; v < aimesh->mNumVertices; ++v) { pos.x = aimesh->mVertices[v].x; pos.y = aimesh->mVertices[v].y; pos.z = aimesh->mVertices[v].z; if (aimesh->HasNormals()) { norm.x = aimesh->mNormals[v].x; norm.y = aimesh->mNormals[v].y; norm.z = aimesh->mNormals[v].z; } if (aimesh->GetNumUVChannels() > 0) { texcoords.x = aimesh->mTextureCoords[0][v].x; texcoords.y = 1.0f - aimesh->mTextureCoords[0][v].y; } mesh->AddVertex(pos, norm, texcoords); if (aimesh->HasVertexColors(0) and aimesh->GetNumColorChannels() == 4) { color.r = aimesh->mColors[0][v].r; color.g = aimesh->mColors[0][v].g; color.b = aimesh->mColors[0][v].b; color.a = aimesh->mColors[0][v].a; mesh->SetVertexColor(v, color); } if (aimesh->GetNumUVChannels() > 1) { texcoords.x = aimesh->mTextureCoords[1][v].x; texcoords.y = 1.0f - aimesh->mTextureCoords[1][v].y; mesh->SetVertexTexCoords(v, texcoords, 1); } if (aimesh->HasBones()) { for (int n = 0; n < Min(aimesh->mNumBones, 4); ++n) { //bones[n] = aimesh->mBones[n]->mNode; weights[n] = aimesh->mBones[n]->mWeights->mWeight; } //mesh->SetVertexBones(); } if (mode == MESH_POINTS) mesh->AddIndice(v); } if (mode != MESH_POINTS) { for (int v = 0; v < aimesh->mNumFaces; ++v) { switch (mode) { case MESH_LINES: mesh->AddPrimitive(aimesh->mFaces[v].mIndices[0], aimesh->mFaces[v].mIndices[1]); break; case MESH_TRIANGLES: mesh->AddPrimitive(aimesh->mFaces[v].mIndices[0], aimesh->mFaces[v].mIndices[1], aimesh->mFaces[v].mIndices[2]); break; case MESH_QUADS: mesh->AddPrimitive(aimesh->mFaces[v].mIndices[3], aimesh->mFaces[v].mIndices[2], aimesh->mFaces[v].mIndices[1], aimesh->mFaces[v].mIndices[0]); break; } } } mesh->SetMaterial(materials[aimesh->mMaterialIndex]); mesh->UpdateBounds(); if (aimesh->HasNormals() and aimesh->GetNumUVChannels() > 0) mesh->UpdateTangents(); } } for (int n = 0; n < node->mNumChildren; ++n) AILoadModel(scene, node->mChildren[n], world, model, materials); model->UpdateBounds(); return model; } shared_ptr<Model> ImportModel(shared_ptr<World> world, const WString& path) { Assimp::Importer importer; auto d = CurrentDir(); const aiScene* scene = importer.ReadFile(path.ToUtf8String().c_str(), aiProcess_JoinIdenticalVertices | aiProcess_SortByPType); if (not scene or scene->mFlags & AI_SCENE_FLAGS_INCOMPLETE or not scene->mRootNode) { return nullptr; } std::vector<shared_ptr<Texture> > textures; if (scene->HasTextures()) { for (unsigned int i = 0; i < scene->mNumTextures; ++i) { aiTexture* aitex = scene->mTextures[i]; auto buffer = CreateBuffer(aitex->mWidth * aitex->mHeight * 4); memcpy(buffer->Data(), aitex->pcData, buffer->GetSize()); auto pixmap = CreatePixmap(aitex->mWidth, aitex->mHeight, TEXTURE_RGBA, buffer); auto mipchain = pixmap->BuildMipchain(); auto tex = CreateTexture(TEXTURE_2D, aitex->mWidth, aitex->mHeight, TEXTURE_RGBA, mipchain); } } std::vector<shared_ptr<Material> > materials; if (scene->HasMaterials()) { for (unsigned int i = 0; i < scene->mNumMaterials; ++i) { auto mtl = CreateMaterial(); auto aimtl = scene->mMaterials[i]; aiString path; if (aimtl->GetTextureCount(aiTextureType_DIFFUSE) > 0) { if (aimtl->GetTexture(aiTextureType_DIFFUSE, 0, &path) == aiReturn_SUCCESS) { auto tex = LoadTexture(std::string(path.C_Str())); mtl->SetTexture(tex, TEXTURE_BASE); } } if (aimtl->GetTextureCount(aiTextureType_NORMALS) > 0) { if (aimtl->GetTexture(aiTextureType_NORMALS, 0, &path) == aiReturn_SUCCESS) { auto tex = LoadTexture(std::string(path.C_Str())); mtl->SetTexture(tex, TEXTURE_NORMAL); } } if (aimtl->GetTextureCount(aiTextureType_EMISSIVE) > 0) { if (aimtl->GetTexture(aiTextureType_EMISSIVE, 0, &path) == aiReturn_SUCCESS) { auto tex = LoadTexture(std::string(path.C_Str())); mtl->SetTexture(tex, TEXTURE_EMISSION); } } float metalness;; if (AI_SUCCESS == aimtl->Get(AI_MATKEY_GLTF_PBRMETALLICROUGHNESS_METALLIC_FACTOR, metalness)) { mtl->SetMetalness(metalness); } float roughness;; if (AI_SUCCESS == aimtl->Get(AI_MATKEY_GLTF_PBRMETALLICROUGHNESS_ROUGHNESS_FACTOR, roughness)) { mtl->SetRoughness(roughness); } aiColor4D pbrSpecularGlossiness; if (AI_SUCCESS == aimtl->Get(AI_MATKEY_GLTF_PBRSPECULARGLOSSINESS, pbrSpecularGlossiness)) { mtl->SetShaderFamily(LoadShaderFamily("Shaders/SpecularGloss.fam")); mtl->SetSpecular(Vec3(pbrSpecularGlossiness.r, pbrSpecularGlossiness.g, pbrSpecularGlossiness.b)); mtl->SetGlossiness(pbrSpecularGlossiness.a); } int unlit; if (AI_SUCCESS == aimtl->Get(AI_MATKEY_GLTF_UNLIT, unlit) && unlit == 1) { mtl->SetShaderFamily(LoadShaderFamily("Shaders/Unlit.fam")); } aiColor4D diffuseColor(0.f, 0.f, 0.f, 0.f); aimtl->Get(AI_MATKEY_COLOR_DIFFUSE, diffuseColor); aiColor3D emissiveColor(0.f, 0.f, 0.f); aimtl->Get(AI_MATKEY_COLOR_EMISSIVE, emissiveColor); mtl->SetColor(diffuseColor.r, diffuseColor.g, diffuseColor.b, diffuseColor.a); mtl->SetEmission(emissiveColor.r, emissiveColor.g, emissiveColor.b); materials.push_back(mtl); } } auto model = AILoadModel(scene, scene->mRootNode, world, NULL, materials); //for (int n = 0; n < scene->mNumAnimations; ++n) //{ // aiAnimation* animation = scene->mAnimations[n]; // animation->mChannels[0]. //} return model; } int main(int argc, const char* argv[]) { RegisterComponents(); auto cl = ParseCommandLine(argc, argv); //Load FreeImage plugin (optional) auto fiplugin = LoadPlugin("Plugins/FITextureLoader"); //Get the displays auto displays = GetDisplays(); //Create a window auto window = CreateWindow("Ultra Engine", 0, 0, 1280 * displays[0]->scale, 720 * displays[0]->scale, displays[0], WINDOW_CENTER | WINDOW_TITLEBAR); //Create a framebuffer auto framebuffer = CreateFramebuffer(window); //Create a world auto world = CreateWorld(); auto camera = CreateCamera(world); camera->AddComponent<CameraControls>(); camera->Move(0, 0, 3); camera->Turn(0, 180, 0); camera->SetClearColor(0.25); //Load a model auto model = ImportModel(world, "test.gltf");//load your own model here auto light = CreateDirectionalLight(world); light->SetRotation(34, 36+180, 0); //Set environment maps const WString remotepath = "https://raw.githubusercontent.com/UltraEngine/Documentation/master/Assets"; auto specmap = LoadTexture(remotepath + "/Materials/Environment/Storm/specular.dds"); auto diffmap = LoadTexture(remotepath + "/Materials/Environment/Storm/diffuse.dds"); world->SetEnvironmentMap(specmap, ENVIRONMENTMAP_SPECULAR); world->SetEnvironmentMap(diffmap, ENVIRONMENTMAP_DIFFUSE); //Main loop while (window->Closed() == false and window->KeyDown(KEY_ESCAPE) == false) { world->Update(); world->Render(framebuffer); } return 0; }

It seems pretty easy to load models with this: #include "UltraEngine.h" #include "ComponentSystem.h" #include "assimp/include/assimp/Importer.hpp" #include "assimp/include/assimp/scene.h" #include "assimp/include/assimp/postprocess.h" using namespace UltraEngine; shared_ptr<Model> AILoadModel(const aiScene* scene, aiNode* node, shared_ptr<World> world, shared_ptr<Entity> parent) { auto model = CreateModel(world); model->SetParent(parent); model->name = std::string(node->mName.C_Str()); // Process meshes attached to the current node (if any) for (unsigned int i = 0; i < node->mNumMeshes; i++) { MeshPrimitives mode = MeshPrimitives(0); aiMesh* aimesh = scene->mMeshes[node->mMeshes[i]]; switch (aimesh->mPrimitiveTypes) { case aiPrimitiveType_POINT: mode = MESH_POINTS; break; case aiPrimitiveType_LINE: mode = MESH_LINES; break; case aiPrimitiveType_POLYGON: mode = MESH_QUADS; break; case aiPrimitiveType_TRIANGLE: mode = MESH_TRIANGLES; break; } if (mode != 0 and aimesh->HasPositions()) { auto mesh = model->AddMesh(mode); Vec3 pos, norm; Vec2 texcoords; for (int v = 0; v < aimesh->mNumVertices; ++v) { pos.x = aimesh->mVertices[v].x; pos.y = aimesh->mVertices[v].y; pos.z = aimesh->mVertices[v].z; if (aimesh->HasNormals()) { norm.x = aimesh->mNormals[v].x; norm.y = aimesh->mNormals[v].y; norm.z = aimesh->mNormals[v].z; } if (aimesh->GetNumUVChannels() > 0) { texcoords.x = aimesh->mTextureCoords[0]->x; texcoords.y = aimesh->mTextureCoords[0]->y; } mesh->AddVertex(pos, norm, texcoords); if (aimesh->GetNumUVChannels() > 1) { texcoords.x = aimesh->mTextureCoords[1]->x; texcoords.y = aimesh->mTextureCoords[1]->y; mesh->SetVertexTexCoords(v, texcoords); } if (mode == MESH_POINTS) mesh->AddIndice(v); } if (mode != MESH_POINTS) { for (int v = 0; v < aimesh->mNumFaces; ++v) { switch (mode) { case MESH_LINES: mesh->AddPrimitive(aimesh->mFaces[v].mIndices[0], aimesh->mFaces[v].mIndices[1]); break; case MESH_TRIANGLES: mesh->AddPrimitive(aimesh->mFaces[v].mIndices[2], aimesh->mFaces[v].mIndices[1], aimesh->mFaces[v].mIndices[0]); break; case MESH_QUADS: mesh->AddPrimitive(aimesh->mFaces[v].mIndices[3], aimesh->mFaces[v].mIndices[2], aimesh->mFaces[v].mIndices[1], aimesh->mFaces[v].mIndices[0]); break; } } } if (aimesh->mMaterialIndex) { auto aimtl = scene->mMaterials[aimesh->mMaterialIndex]; aiString diffuseTexturePath, normalTexturePath, metalTexturePath, roughnessTexturePath, displacementTexturePath, occlusionTexturePath, specularTexturePath, glossTexturePath; if (aimtl->GetTextureCount(aiTextureType_DIFFUSE)) aimtl->GetTexture(aiTextureType_DIFFUSE, 0, &diffuseTexturePath); if (aimtl->GetTextureCount(aiTextureType_NORMALS)) aimtl->GetTexture(aiTextureType_NORMALS, 0, &normalTexturePath); if (aimtl->GetTextureCount(aiTextureType_METALNESS)) aimtl->GetTexture(aiTextureType_METALNESS, 0, &metalTexturePath); if (aimtl->GetTextureCount(aiTextureType_DIFFUSE_ROUGHNESS)) aimtl->GetTexture(aiTextureType_NORMALS, 0, &roughnessTexturePath); if (aimtl->GetTextureCount(aiTextureType_SPECULAR)) aimtl->GetTexture(aiTextureType_SPECULAR, 0, &specularTexturePath); if (aimtl->GetTextureCount(aiTextureType_SHININESS)) aimtl->GetTexture(aiTextureType_SPECULAR, 0, &glossTexturePath); if (aimtl->GetTextureCount(aiTextureType_DISPLACEMENT)) aimtl->GetTexture(aiTextureType_DISPLACEMENT, 0, &displacementTexturePath); if (aimtl->GetTextureCount(aiTextureType_AMBIENT_OCCLUSION)) aimtl->GetTexture(aiTextureType_AMBIENT_OCCLUSION, 0, &displacementTexturePath); aiColor3D diffuseColor(0.f, 0.f, 0.f); aimtl->Get(AI_MATKEY_COLOR_DIFFUSE, diffuseColor); aiColor3D emissiveColor(0.f, 0.f, 0.f); aimtl->Get(AI_MATKEY_COLOR_EMISSIVE, emissiveColor); } mesh->UpdateBounds(); if (aimesh->HasNormals() and aimesh->GetNumUVChannels() > 0) mesh->UpdateTangents(); } } for (int n = 0; n < node->mNumChildren; ++n) AILoadModel(scene, node->mChildren[n], world, model); model->UpdateBounds(); return model; } shared_ptr<Model> ImportModel(shared_ptr<World> world, const WString& path) { Assimp::Importer importer; auto d = CurrentDir(); const aiScene* scene = importer.ReadFile(path.ToUtf8String().c_str(), aiProcess_JoinIdenticalVertices | aiProcess_SortByPType); if (not scene or scene->mFlags & AI_SCENE_FLAGS_INCOMPLETE or not scene->mRootNode) { return nullptr; } auto model = AILoadModel(scene, scene->mRootNode, world, NULL); return model; } int main(int argc, const char* argv[]) { RegisterComponents(); auto cl = ParseCommandLine(argc, argv); //Load FreeImage plugin (optional) auto fiplugin = LoadPlugin("Plugins/FITextureLoader"); //Get the displays auto displays = GetDisplays(); //Create a window auto window = CreateWindow("Ultra Engine", 0, 0, 1280 * displays[0]->scale, 720 * displays[0]->scale, displays[0], WINDOW_CENTER | WINDOW_TITLEBAR); //Create a framebuffer auto framebuffer = CreateFramebuffer(window); //Create a world auto world = CreateWorld(); auto camera = CreateCamera(world); camera->AddComponent<CameraControls>(); camera->Move(0, 0, -3); //Load a model auto model = ImportModel(world, "test.fbx");//load your own model here auto light = CreateDirectionalLight(world); light->SetRotation(34, 36, 0); //Main loop while (window->Closed() == false and window->KeyDown(KEY_ESCAPE) == false) { world->Update(); world->Render(framebuffer); } return 0; }

Wow, that is really well done!

Two meters is a very high near range. It should be way less than that.

I suspect the 28th step is triggering a garbage collection step...

It should be limited only by your system memory.

Hmmm, that is a lot! I think your idea to disable reprojection based on a camera setting is probably better.

Here is an extension(?) to the Blender exporter / importer that adds support for this feature: https://github.com/takahirox/glTF-Blender-IO-MSFT-lod Have not tried it myself yet.

You would probably want to use to cameras to render this, first drawing everything under the transparent window, then applying the post-effect, then rendering the window in another pass. Honestly, it sounds pretty hard to set up in a general-purpose way.