411 lines
14 KiB
C++
411 lines
14 KiB
C++
#include <Nazara/Core.hpp>
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#include <Nazara/Core/ECS.hpp>
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#include <Nazara/Platform.hpp>
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#include <Nazara/Graphics.hpp>
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#include <Nazara/Graphics/Components.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/Shader.hpp>
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#include <Nazara/Shader/SpirvConstantCache.hpp>
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#include <Nazara/Shader/SpirvPrinter.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 <iostream>
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int main()
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{
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std::filesystem::path resourceDir = "resources";
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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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Nz::Modules<Nz::Graphics, Nz::Physics3D, Nz::ECS> nazara(rendererConfig);
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Nz::RenderWindow window;
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Nz::MeshParams meshParams;
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meshParams.center = true;
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meshParams.storage = Nz::DataStorage::Software;
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meshParams.matrix = Nz::Matrix4f::Rotate(Nz::EulerAnglesf(0.f, 90.f, 0.f)) * Nz::Matrix4f::Scale(Nz::Vector3f(0.002f));
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meshParams.vertexDeclaration = Nz::VertexDeclaration::Get(Nz::VertexLayout::XYZ_UV);
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std::shared_ptr<Nz::RenderDevice> device = Nz::Graphics::Instance()->GetRenderDevice();
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std::string windowTitle = "Graphics Test";
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if (!window.Create(device, Nz::VideoMode(1920, 1080, 32), windowTitle))
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{
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std::cout << "Failed to create Window" << std::endl;
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return __LINE__;
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}
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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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std::shared_ptr<Nz::GraphicalMesh> gfxMesh = std::make_shared<Nz::GraphicalMesh>(*spaceshipMesh);
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// Texture
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std::shared_ptr<Nz::Image> diffuseImage = Nz::Image::LoadFromFile(resourceDir / "Spaceship/Texture/diffuse.png");
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if (!diffuseImage || !diffuseImage->Convert(Nz::PixelFormat::RGBA8_SRGB))
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{
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NazaraError("Failed to load image");
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return __LINE__;
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}
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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::Material> material = std::make_shared<Nz::Material>(Nz::BasicMaterial::GetSettings());
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material->EnableDepthBuffer(true);
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material->EnableFaceCulling(true);
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Nz::TextureSamplerInfo samplerInfo;
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samplerInfo.anisotropyLevel = 8;
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Nz::BasicMaterial basicMat(*material);
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basicMat.EnableAlphaTest(false);
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basicMat.SetAlphaMap(Nz::Texture::LoadFromFile(resourceDir / "alphatile.png", texParams));
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basicMat.SetDiffuseMap(Nz::Texture::LoadFromFile(resourceDir / "Spaceship/Texture/diffuse.png", texParams));
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basicMat.SetDiffuseSampler(samplerInfo);
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std::shared_ptr<Nz::Model> model = std::make_shared<Nz::Model>(std::move(gfxMesh));
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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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Nz::Vector2ui windowSize = window.GetSize();
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Nz::ViewerInstance viewerInstance;
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viewerInstance.UpdateTargetSize(Nz::Vector2f(window.GetSize()));
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viewerInstance.UpdateProjViewMatrices(Nz::Matrix4f::Perspective(Nz::DegreeAnglef(70.f), float(windowSize.x) / windowSize.y, 0.1f, 1000.f), Nz::Matrix4f::Translate(Nz::Vector3f::Backward() * 1));
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Nz::VertexMapper vertexMapper(*spaceshipMesh->GetSubMesh(0), Nz::BufferAccess::ReadOnly);
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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::Physics3DSystem physSytem(registry);
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auto shipCollider = std::make_shared<Nz::ConvexCollider3D>(vertices, vertexMapper.GetVertexCount(), 0.01f);
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std::shared_ptr<Nz::Material> colliderMat = std::make_shared<Nz::Material>(Nz::BasicMaterial::GetSettings());
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colliderMat->EnableDepthBuffer(true);
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colliderMat->SetPrimitiveMode(Nz::PrimitiveMode::LineList);
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Nz::BasicMaterial colliderBasicMat(*colliderMat);
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colliderBasicMat.SetDiffuseColor(Nz::Color::Green);
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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 = std::make_shared<Nz::GraphicalMesh>(*colliderMesh);
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colliderModel = std::make_shared<Nz::Model>(colliderGraphicalMesh);
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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 playerEntity = registry.create();
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Nz::Node headingNode;
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{
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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& entityGfx = registry.emplace<Nz::GraphicsComponent>(playerEntity);
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entityGfx.AttachRenderable(model);
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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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headingNode.SetParent(entityNode);
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headingNode.SetInheritRotation(false);
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headingNode.SetRotation(entityNode.GetRotation());
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}
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Nz::Node cameraNode;
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cameraNode.SetParent(headingNode);
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cameraNode.SetPosition(Nz::Vector3f::Backward() * 2.5f + Nz::Vector3f::Up() * 1.f);
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for (std::size_t x = 0; x < 1; ++x)
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{
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for (std::size_t y = 0; y < 1; ++y)
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{
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for (std::size_t z = 0; z < 10; ++z)
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{
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entt::entity entity = registry.create();
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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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auto& entityGfx = registry.emplace<Nz::GraphicsComponent>(entity);
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entityGfx.AttachRenderable(model);
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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::RenderWindowImpl* windowImpl = window.GetImpl();
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std::shared_ptr<Nz::CommandPool> commandPool = windowImpl->CreateCommandPool(Nz::QueueType::Graphics);
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Nz::CommandBufferPtr drawCommandBuffer;
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auto RebuildCommandBuffer = [&]
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{
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Nz::Vector2ui windowSize = window.GetSize();
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drawCommandBuffer = commandPool->BuildCommandBuffer([&](Nz::CommandBufferBuilder& builder)
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{
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Nz::Recti renderRect(0, 0, window.GetSize().x, window.GetSize().y);
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Nz::CommandBufferBuilder::ClearValues clearValues[2];
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clearValues[0].color = Nz::Color(80, 80, 80);
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clearValues[1].depth = 1.f;
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clearValues[1].stencil = 0;
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builder.BeginDebugRegion("Main window rendering", Nz::Color::Green);
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{
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builder.BeginRenderPass(windowImpl->GetFramebuffer(), windowImpl->GetRenderPass(), renderRect, { clearValues[0], clearValues[1] });
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{
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builder.SetScissor(Nz::Recti{ 0, 0, int(windowSize.x), int(windowSize.y) });
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builder.SetViewport(Nz::Recti{ 0, 0, int(windowSize.x), int(windowSize.y) });
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builder.BindShaderBinding(Nz::Graphics::ViewerBindingSet, viewerInstance.GetShaderBinding());
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auto view = registry.view<const Nz::GraphicsComponent>();
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for (auto [entity, gfxComponent] : view.each())
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{
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const Nz::WorldInstance& worldInstance = gfxComponent.GetWorldInstance();
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for (const auto& renderable : gfxComponent.GetRenderables())
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renderable->Draw(builder, worldInstance);
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}
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}
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builder.EndRenderPass();
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}
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builder.EndDebugRegion();
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});
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};
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Nz::Vector3f viewerPos = Nz::Vector3f::Zero();
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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(0.5f, 0.f, 0.05f);
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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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bool rebuildCommandBuffer = 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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basicMat.EnableAlphaTest(!basicMat.IsAlphaTestEnabled());
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rebuildCommandBuffer = true;
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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>();
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for (auto [entity, gfxComponent] : view.each())
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gfxComponent.AttachRenderable(colliderModel);
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}
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else
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{
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auto view = registry.view<Nz::GraphicsComponent>();
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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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rebuildCommandBuffer = true;
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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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headingNode.SetRotation(camQuat);
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break;
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}
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case Nz::WindowEventType::Resized:
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{
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Nz::Vector2ui windowSize = window.GetSize();
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viewerInstance.UpdateProjectionMatrix(Nz::Matrix4f::Perspective(Nz::DegreeAnglef(70.f), float(windowSize.x) / windowSize.y, 0.1f, 1000.f));
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viewerInstance.UpdateTargetSize(Nz::Vector2f(windowSize));
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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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float updateTime = updateClock.Restart() / 1'000'000.f;
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float cameraSpeed = 20.f * updateTime;
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physSytem.Update(registry, 1000.f / 60.f);
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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 = headingNode.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 = headingNode.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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Nz::RenderFrame frame = windowImpl->Acquire();
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if (!frame)
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continue;
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Nz::UploadPool& uploadPool = frame.GetUploadPool();
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viewerInstance.UpdateViewMatrix(Nz::Matrix4f::ViewMatrix(cameraNode.GetPosition(Nz::CoordSys::Global), cameraNode.GetRotation(Nz::CoordSys::Global)));
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frame.Execute([&](Nz::CommandBufferBuilder& builder)
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{
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builder.BeginDebugRegion("UBO Update", Nz::Color::Yellow);
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{
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builder.PreTransferBarrier();
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viewerInstance.UpdateBuffers(uploadPool, builder);
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/*
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modelInstance.UpdateBuffers(uploadPool, builder);
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modelInstance2.UpdateBuffers(uploadPool, builder);
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*/
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auto view = registry.view<Nz::GraphicsComponent, const Nz::NodeComponent>();
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for (auto [entity, gfxComponent, nodeComponent] : view.each())
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{
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Nz::WorldInstance& worldInstance = gfxComponent.GetWorldInstance();
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worldInstance.UpdateWorldMatrix(nodeComponent.GetTransformMatrix());
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worldInstance.UpdateBuffers(uploadPool, builder);
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}
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if (material->Update(frame, builder))
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rebuildCommandBuffer = true;
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if (colliderMat->Update(frame, builder))
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rebuildCommandBuffer = true;
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builder.PostTransferBarrier();
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}
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builder.EndDebugRegion();
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}, Nz::QueueType::Transfer);
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if (rebuildCommandBuffer || frame.IsFramebufferInvalidated())
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{
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frame.PushForRelease(std::move(drawCommandBuffer));
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RebuildCommandBuffer();
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}
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frame.SubmitCommandBuffer(drawCommandBuffer.get(), Nz::QueueType::Graphics);
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frame.Present();
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window.Display();
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rebuildCommandBuffer = false;
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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");
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fps = 0;
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secondClock.Restart();
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}
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}
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registry.clear();
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return EXIT_SUCCESS;
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}
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