351 lines
13 KiB
C++
351 lines
13 KiB
C++
#include <Nazara/Core.hpp>
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#include <Nazara/Core/Systems.hpp>
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#include <Nazara/Platform.hpp>
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#include <Nazara/Graphics.hpp>
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#include <Nazara/Graphics/TextSprite.hpp>
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#include <Nazara/Graphics/Components.hpp>
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#include <Nazara/Graphics/Systems.hpp>
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#include <Nazara/Math/PidController.hpp>
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#include <Nazara/Physics3D.hpp>
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#include <Nazara/Physics3D/Components.hpp>
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#include <Nazara/Physics3D/Systems.hpp>
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#include <Nazara/Renderer.hpp>
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#include <Nazara/Utility.hpp>
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#include <Nazara/Utility/Components.hpp>
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#include <entt/entt.hpp>
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#include <array>
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#include <chrono>
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#include <iostream>
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#include <limits>
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#include <thread>
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NAZARA_REQUEST_DEDICATED_GPU()
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int main()
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{
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std::filesystem::path resourceDir = "assets/examples";
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if (!std::filesystem::is_directory(resourceDir) && std::filesystem::is_directory("../.." / resourceDir))
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resourceDir = "../.." / resourceDir;
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Nz::Renderer::Config rendererConfig;
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std::cout << "Run using Vulkan? (y/n)" << std::endl;
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if (std::getchar() != 'n')
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rendererConfig.preferredAPI = Nz::RenderAPI::Vulkan;
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else
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rendererConfig.preferredAPI = Nz::RenderAPI::OpenGL;
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std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
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Nz::Modules<Nz::Graphics, Nz::Physics3D> nazara(rendererConfig);
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std::shared_ptr<Nz::RenderDevice> device = Nz::Graphics::Instance()->GetRenderDevice();
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Nz::MeshParams meshParams;
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meshParams.center = true;
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meshParams.vertexRotation = Nz::EulerAnglesf(0.f, 90.f, 0.f);
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meshParams.vertexScale = Nz::Vector3f(0.002f);
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meshParams.vertexDeclaration = Nz::VertexDeclaration::Get(Nz::VertexLayout::XYZ_Normal_UV_Tangent);
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std::shared_ptr<Nz::Mesh> spaceshipMesh = Nz::Mesh::LoadFromFile(resourceDir / "Spaceship/spaceship.obj", meshParams);
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if (!spaceshipMesh)
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{
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NazaraError("Failed to load model");
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return __LINE__;
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}
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const Nz::Boxf& spaceshipAABB = spaceshipMesh->GetAABB();
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std::shared_ptr<Nz::GraphicalMesh> gfxMesh = Nz::GraphicalMesh::BuildFromMesh(*spaceshipMesh);
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Nz::TextureSamplerInfo samplerInfo;
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samplerInfo.anisotropyLevel = 8;
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Nz::TextureParams texParams;
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texParams.renderDevice = device;
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texParams.loadFormat = Nz::PixelFormat::RGBA8_SRGB;
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std::shared_ptr<Nz::MaterialInstance> material = Nz::Graphics::Instance()->GetDefaultMaterials().phongMaterial->CreateInstance();
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for (std::string_view passName : { "DepthPass", "ForwardPass" })
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{
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material->UpdatePassStates(passName, [](Nz::RenderStates& states)
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{
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states.depthClamp = true;
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return true;
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});
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}
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material->SetTextureProperty("AlphaMap", Nz::Texture::LoadFromFile(resourceDir / "alphatile.png", texParams));
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material->SetTextureProperty("BaseColorMap", Nz::Texture::LoadFromFile(resourceDir / "Spaceship/Texture/diffuse.png", texParams));
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std::shared_ptr<Nz::Model> model = std::make_shared<Nz::Model>(std::move(gfxMesh), spaceshipAABB);
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for (std::size_t i = 0; i < model->GetSubMeshCount(); ++i)
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model->SetMaterial(i, material);
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std::shared_ptr<Nz::MaterialInstance> textMaterial = Nz::Graphics::Instance()->GetDefaultMaterials().basicTransparent->Clone();
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textMaterial->UpdatePassFlags("ForwardPass", Nz::MaterialPassFlag::SortByDistance);
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textMaterial->UpdatePassStates("ForwardPass", [](Nz::RenderStates& states)
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{
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states.depthClamp = true;
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return true;
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});
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std::shared_ptr<Nz::TextSprite> sprite = std::make_shared<Nz::TextSprite>(textMaterial);
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sprite->Update(Nz::SimpleTextDrawer::Draw("Voix ambiguë d'un cœur qui, au zéphyr, préfère les jattes de kiwis", 72), 0.01f);
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Nz::VertexMapper vertexMapper(*spaceshipMesh->GetSubMesh(0));
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Nz::SparsePtr<Nz::Vector3f> vertices = vertexMapper.GetComponentPtr<Nz::Vector3f>(Nz::VertexComponent::Position);
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entt::registry registry;
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Nz::SystemGraph systemGraph(registry);
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Nz::Physics3DSystem& physSytem = systemGraph.AddSystem<Nz::Physics3DSystem>();
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Nz::RenderSystem& renderSystem = systemGraph.AddSystem<Nz::RenderSystem>();
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std::string windowTitle = "Graphics Test";
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Nz::RenderWindow& window = renderSystem.CreateWindow(device, Nz::VideoMode(1920, 1080, 32), windowTitle);
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Nz::Vector2ui windowSize = window.GetSize();
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entt::entity viewer = registry.create();
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{
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registry.emplace<Nz::NodeComponent>(viewer);
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auto& cameraComponent = registry.emplace<Nz::CameraComponent>(viewer, window.GetRenderTarget());
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cameraComponent.UpdateRenderMask(1);
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cameraComponent.UpdateClearColor(Nz::Color(0.5f, 0.5f, 0.5f));
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}
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auto shipCollider = std::make_shared<Nz::ConvexCollider3D>(vertices, vertexMapper.GetVertexCount(), 0.01f);
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std::shared_ptr<Nz::MaterialInstance> colliderMat = Nz::Graphics::Instance()->GetDefaultMaterials().basicMaterial->CreateInstance();
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colliderMat->SetValueProperty("BaseColor", Nz::Color::Green);
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for (std::string_view passName : { "DepthPass", "ForwardPass" })
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{
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colliderMat->UpdatePassStates(passName, [](Nz::RenderStates& states)
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{
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states.primitiveMode = Nz::PrimitiveMode::LineList;
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return true;
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});
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}
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std::shared_ptr<Nz::Model> colliderModel;
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{
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std::shared_ptr<Nz::Mesh> colliderMesh = Nz::Mesh::Build(shipCollider->GenerateMesh());
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std::shared_ptr<Nz::GraphicalMesh> colliderGraphicalMesh = Nz::GraphicalMesh::BuildFromMesh(*colliderMesh);
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colliderModel = std::make_shared<Nz::Model>(colliderGraphicalMesh, spaceshipAABB);
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for (std::size_t i = 0; i < colliderModel->GetSubMeshCount(); ++i)
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colliderModel->SetMaterial(i, colliderMat);
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}
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entt::entity textEntity = registry.create();
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{
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auto& entityGfx = registry.emplace<Nz::GraphicsComponent>(textEntity);
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entityGfx.AttachRenderable(sprite, 1);
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auto& entityNode = registry.emplace<Nz::NodeComponent>(textEntity);
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entityNode.SetPosition(0.f, 5.f, 0.f);
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}
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entt::entity playerEntity = registry.create();
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entt::entity headingEntity = registry.create();
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{
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auto& entityLight = registry.emplace<Nz::LightComponent>(playerEntity);
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entityLight.AttachLight(std::make_shared<Nz::SpotLight>(), 1);
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auto& entityGfx = registry.emplace<Nz::GraphicsComponent>(playerEntity);
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entityGfx.AttachRenderable(model, 1);
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auto& entityNode = registry.emplace<Nz::NodeComponent>(playerEntity);
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entityNode.SetPosition(Nz::Vector3f(12.5f, 0.f, 25.f));
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auto& entityPhys = registry.emplace<Nz::RigidBody3DComponent>(playerEntity, physSytem.CreateRigidBody(shipCollider));
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entityPhys.SetMass(50.f);
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entityPhys.SetAngularDamping(Nz::Vector3f::Zero());
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auto& headingNode = registry.emplace<Nz::NodeComponent>(headingEntity);
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headingNode.SetInheritRotation(false);
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headingNode.SetParent(entityNode);
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}
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registry.get<Nz::NodeComponent>(viewer).SetParent(entt::handle(registry, headingEntity));
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registry.get<Nz::NodeComponent>(viewer).SetPosition(Nz::Vector3f::Backward() * 2.5f + Nz::Vector3f::Up() * 1.f);
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for (std::size_t x = 0; x < 3; ++x)
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{
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for (std::size_t y = 0; y < 3; ++y)
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{
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for (std::size_t z = 0; z < 3; ++z)
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{
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entt::entity entity = registry.create();
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auto& entityGfx = registry.emplace<Nz::GraphicsComponent>(entity);
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entityGfx.AttachRenderable(model, 1);
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auto& entityNode = registry.emplace<Nz::NodeComponent>(entity);
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entityNode.SetPosition(Nz::Vector3f(x * 2.f, y * 1.5f, z * 2.f));
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entityNode.SetRotation(Nz::EulerAnglesf(0.f, Nz::TurnAnglef(0.5f), 0.f));
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auto& entityPhys = registry.emplace<Nz::RigidBody3DComponent>(entity, physSytem.CreateRigidBody(shipCollider));
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entityPhys.SetMass(1.f);
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entityPhys.SetAngularDamping(Nz::Vector3f::Zero());
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entityPhys.SetLinearDamping(0.f);
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}
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}
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}
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Nz::EulerAnglesf camAngles(0.f, 0.f, 0.f);
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Nz::Quaternionf camQuat(camAngles);
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window.EnableEventPolling(true);
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Nz::Clock updateClock;
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Nz::Clock secondClock;
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unsigned int fps = 0;
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Nz::Mouse::SetRelativeMouseMode(true);
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float elapsedTime = 0.f;
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Nz::UInt64 time = Nz::GetElapsedMicroseconds();
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Nz::PidController<Nz::Vector3f> headingController(0.3f, 0.f, 0.1f);
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Nz::PidController<Nz::Vector3f> upController(1.f, 0.f, 0.1f);
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bool showColliders = false;
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while (window.IsOpen())
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{
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Nz::UInt64 now = Nz::GetElapsedMicroseconds();
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elapsedTime = (now - time) / 1'000'000.f;
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time = now;
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Nz::WindowEvent event;
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while (window.PollEvent(&event))
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{
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switch (event.type)
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{
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case Nz::WindowEventType::Quit:
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window.Close();
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break;
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case Nz::WindowEventType::KeyPressed:
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if (event.key.virtualKey == Nz::Keyboard::VKey::A)
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{
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bool alphaTestEnabled = std::get<bool>(*material->GetValueProperty("AlphaTest"));
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material->SetValueProperty("AlphaTest", !alphaTestEnabled);
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}
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else if (event.key.virtualKey == Nz::Keyboard::VKey::B)
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{
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showColliders = !showColliders;
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if (showColliders)
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{
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auto view = registry.view<Nz::GraphicsComponent, Nz::RigidBody3DComponent>();
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for (auto [entity, gfxComponent, _] : view.each())
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gfxComponent.AttachRenderable(colliderModel, 1);
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}
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else
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{
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auto view = registry.view<Nz::GraphicsComponent, Nz::RigidBody3DComponent>();
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for (auto [entity, gfxComponent, _] : view.each())
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gfxComponent.DetachRenderable(colliderModel);
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}
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}
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else if (event.key.virtualKey == Nz::Keyboard::VKey::Space)
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{
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entt::entity entity = registry.create();
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auto& entityGfx = registry.emplace<Nz::GraphicsComponent>(entity);
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entityGfx.AttachRenderable(model, 1);
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if (showColliders)
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entityGfx.AttachRenderable(colliderModel, 1);
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registry.emplace<Nz::NodeComponent>(entity);
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auto& entityPhys = registry.emplace<Nz::RigidBody3DComponent>(entity, physSytem.CreateRigidBody(shipCollider));
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entityPhys.SetMass(1.f);
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entityPhys.SetAngularDamping(Nz::Vector3f::Zero());
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entityPhys.SetLinearDamping(0.f);
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}
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break;
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case Nz::WindowEventType::MouseMoved:
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{
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float sensitivity = 0.3f;
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camAngles.yaw = camAngles.yaw - event.mouseMove.deltaX * sensitivity;
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camAngles.pitch = camAngles.pitch - event.mouseMove.deltaY * sensitivity;
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camAngles.Normalize();
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camQuat = camAngles;
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registry.get<Nz::NodeComponent>(headingEntity).SetRotation(camQuat);
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break;
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}
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default:
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break;
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}
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}
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if (updateClock.GetMilliseconds() > 1000 / 60)
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{
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auto spaceshipView = registry.view<Nz::NodeComponent, Nz::RigidBody3DComponent>();
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for (auto&& [entity, node, _] : spaceshipView.each())
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{
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if (entity == playerEntity)
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continue;
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Nz::Vector3f spaceshipPos = node.GetPosition(Nz::CoordSys::Global);
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if (spaceshipPos.GetSquaredLength() > Nz::IntegralPow(20.f, 2))
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registry.destroy(entity);
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}
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Nz::RigidBody3DComponent& playerShipBody = registry.get<Nz::RigidBody3DComponent>(playerEntity);
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Nz::Quaternionf currentRotation = playerShipBody.GetRotation();
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Nz::Vector3f desiredHeading = registry.get<Nz::NodeComponent>(headingEntity).GetForward();
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Nz::Vector3f currentHeading = currentRotation * Nz::Vector3f::Forward();
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Nz::Vector3f headingError = currentHeading.CrossProduct(desiredHeading);
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Nz::Vector3f desiredUp = registry.get<Nz::NodeComponent>(headingEntity).GetUp();
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Nz::Vector3f currentUp = currentRotation * Nz::Vector3f::Up();
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Nz::Vector3f upError = currentUp.CrossProduct(desiredUp);
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playerShipBody.AddTorque(headingController.Update(headingError, elapsedTime) * 10.f);
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playerShipBody.AddTorque(upController.Update(upError, elapsedTime) * 10.f);
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float mass = playerShipBody.GetMass();
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if (Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::Up) || Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::Z))
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playerShipBody.AddForce(Nz::Vector3f::Forward() * 2.5f * mass, Nz::CoordSys::Local);
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if (Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::Down) || Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::S))
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playerShipBody.AddForce(Nz::Vector3f::Backward() * 2.5f * mass, Nz::CoordSys::Local);
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if (Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::Left) || Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::Q))
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playerShipBody.AddForce(Nz::Vector3f::Left() * 2.5f * mass, Nz::CoordSys::Local);
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if (Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::Right) || Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::D))
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playerShipBody.AddForce(Nz::Vector3f::Right() * 2.5f * mass, Nz::CoordSys::Local);
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if (Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::LShift) || Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::RShift))
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playerShipBody.AddForce(Nz::Vector3f::Up() * 3.f * mass, Nz::CoordSys::Local);
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if (Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::LControl) || Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::RControl))
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playerShipBody.AddForce(Nz::Vector3f::Down() * 3.f * mass, Nz::CoordSys::Local);
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}
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systemGraph.Update();
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fps++;
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if (secondClock.GetMilliseconds() >= 1000)
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{
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window.SetTitle(windowTitle + " - " + Nz::NumberToString(fps) + " FPS" + " - " + Nz::NumberToString(registry.alive()) + " entities");
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fps = 0;
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secondClock.Restart();
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}
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}
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return EXIT_SUCCESS;
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}
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