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NazaraEngine/examples/Showcase/main.cpp

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#include <Nazara/Core.hpp>
#include <Nazara/Core/Systems.hpp>
#include <Nazara/Platform.hpp>
#include <Nazara/Graphics.hpp>
#include <Nazara/Graphics/TextSprite.hpp>
#include <Nazara/Graphics/Components.hpp>
#include <Nazara/Graphics/Systems.hpp>
#include <Nazara/Math/PidController.hpp>
#include <Nazara/Physics3D.hpp>
#include <Nazara/Physics3D/Components.hpp>
#include <Nazara/Physics3D/Systems.hpp>
#include <Nazara/Renderer.hpp>
#include <Nazara/Utility.hpp>
#include <Nazara/Utility/Components.hpp>
#include <Nazara/Utility/Systems.hpp>
#include <Nazara/Utility/Plugins/AssimpPlugin.hpp>
#include <Nazara/Utils/CallOnExit.hpp>
#include <NZSL/Math/FieldOffsets.hpp>
#include <entt/entt.hpp>
#include <array>
#include <iostream>
#include <limits>
NAZARA_REQUEST_DEDICATED_GPU()
int main()
{
std::filesystem::path resourceDir = "assets/examples";
if (!std::filesystem::is_directory(resourceDir) && std::filesystem::is_directory("../.." / resourceDir))
resourceDir = "../.." / resourceDir;
Nz::Renderer::Config rendererConfig;
rendererConfig.preferredAPI = Nz::RenderAPI::OpenGL;
Nz::Modules<Nz::Graphics> nazara(rendererConfig);
Nz::PluginLoader loader;
Nz::Plugin<Nz::AssimpPlugin> assimp = loader.Load<Nz::AssimpPlugin>();
std::shared_ptr<Nz::RenderDevice> device = Nz::Graphics::Instance()->GetRenderDevice();
entt::registry registry;
Nz::SystemGraph systemGraph(registry);
systemGraph.AddSystem<Nz::SkeletonSystem>();
Nz::Physics3DSystem& physSytem = systemGraph.AddSystem<Nz::Physics3DSystem>();
Nz::RenderSystem& renderSystem = systemGraph.AddSystem<Nz::RenderSystem>();
std::string windowTitle = "Skinning test";
Nz::RenderWindow& window = renderSystem.CreateWindow(device, Nz::VideoMode(1280, 720, 32), windowTitle);
physSytem.GetPhysWorld().SetGravity({ 0.f, -9.81f, 0.f });
Nz::TextureParams texParams;
texParams.renderDevice = device;
entt::entity playerEntity = registry.create();
entt::entity playerRotation = registry.create();
entt::entity playerCamera = registry.create();
{
auto& playerNode = registry.emplace<Nz::NodeComponent>(playerEntity);
playerNode.SetPosition(0.f, 1.8f, 1.f);
auto& playerBody = registry.emplace<Nz::RigidBody3DComponent>(playerEntity, &physSytem.GetPhysWorld());
playerBody.SetMass(42.f);
playerBody.SetGeom(std::make_shared<Nz::BoxCollider3D>(Nz::Vector3f::Unit()));
auto& playerRotNode = registry.emplace<Nz::NodeComponent>(playerRotation);
playerRotNode.SetParent(playerNode);
auto& cameraNode = registry.emplace<Nz::NodeComponent>(playerCamera);
cameraNode.SetParent(playerRotNode);
auto& cameraComponent = registry.emplace<Nz::CameraComponent>(playerCamera, window.GetRenderTarget());
cameraComponent.UpdateZNear(0.2f);
cameraComponent.UpdateZFar(10000.f);
cameraComponent.UpdateRenderMask(1);
cameraComponent.UpdateClearColor(Nz::Color(0.5f, 0.5f, 0.5f));
}
Nz::MeshParams meshParams;
meshParams.animated = true;
meshParams.center = true;
meshParams.vertexScale = Nz::Vector3f(0.1f, 0.1f, 0.1f);
meshParams.vertexDeclaration = Nz::VertexDeclaration::Get(Nz::VertexLayout::XYZ_Normal_UV_Tangent_Skinning);
std::shared_ptr<Nz::Mesh> bobMesh = Nz::Mesh::LoadFromFile(resourceDir / "character/Gangnam Style.fbx", meshParams);
if (!bobMesh)
{
NazaraError("Failed to load bob mesh");
return __LINE__;
}
Nz::AnimationParams animParam;
animParam.skeleton = bobMesh->GetSkeleton();
animParam.jointRotation = meshParams.vertexRotation;
animParam.jointScale = meshParams.vertexScale;
animParam.jointOffset = meshParams.vertexOffset;
std::shared_ptr<Nz::Animation> bobAnim = Nz::Animation::LoadFromFile(resourceDir / "character/Gangnam Style.fbx", animParam);
if (!bobAnim)
{
NazaraError("Failed to load bob anim");
return __LINE__;
}
std::shared_ptr<Nz::Skeleton> skeleton = std::make_shared<Nz::Skeleton>(*bobMesh->GetSkeleton());
std::cout << "joint count: " << skeleton->GetJointCount() << std::endl;
const Nz::Boxf& bobAABB = bobMesh->GetAABB();
std::shared_ptr<Nz::GraphicalMesh> bobGfxMesh = Nz::GraphicalMesh::BuildFromMesh(*bobMesh);
std::shared_ptr<Nz::Model> bobModel = std::make_shared<Nz::Model>(std::move(bobGfxMesh), bobAABB);
std::vector<std::shared_ptr<Nz::Material>> materials(bobMesh->GetMaterialCount());
for (std::size_t i = 0; i < bobMesh->GetMaterialCount(); ++i)
{
std::string matPath = bobMesh->GetMaterialData(i).GetStringParameter(Nz::MaterialData::BaseColorTexturePath).GetValueOr("");
if (!matPath.empty())
materials[i] = Nz::Material::LoadFromFile(matPath);
}
for (std::size_t i = 0; i < bobMesh->GetSubMeshCount(); ++i)
{
std::size_t matIndex = bobMesh->GetSubMesh(i)->GetMaterialIndex();
if (materials[matIndex])
bobModel->SetMaterial(i, materials[matIndex]);
}
/*for (std::size_t y = 0; y < 10; ++y)
{
for (std::size_t x = 0; x < 10; ++x)
{
entt::entity bobEntity = registry.create();
auto& bobNode = registry.emplace<Nz::NodeComponent>(bobEntity);
bobNode.SetPosition(Nz::Vector3f(x - 5.f, 0.f, -float(y)));
//bobNode.SetRotation(Nz::EulerAnglesf(-90.f, -90.f, 0.f));
//bobNode.SetScale(1.f / 40.f * 0.5f);
auto& bobGfx = registry.emplace<Nz::GraphicsComponent>(bobEntity);
bobGfx.AttachRenderable(bobModel, 0xFFFFFFFF);
}
}*/
entt::handle bobEntity = entt::handle(registry, registry.create());
{
auto& bobNode = bobEntity.emplace<Nz::NodeComponent>();
//bobNode.SetRotation(Nz::EulerAnglesf(-90.f, -90.f, 0.f));
//bobNode.SetScale(1.f / 40.f * 0.5f);
//bobNode.SetPosition(bobNode.GetScale() * Nz::Vector3f(0.f, -bobAABB.height / 2.f + bobAABB.y, 0.f));
auto& bobGfx = bobEntity.emplace<Nz::GraphicsComponent>();
bobGfx.AttachRenderable(bobModel, 0xFFFFFFFF);
auto& sharedSkeleton = bobEntity.emplace<Nz::SharedSkeletonComponent>(skeleton);
entt::entity sphereEntity = registry.create();
{
std::shared_ptr<Nz::Mesh> sphereMesh = std::make_shared<Nz::Mesh>();
sphereMesh->CreateStatic();
sphereMesh->BuildSubMesh(Nz::Primitive::UVSphere(1.f, 50, 50));
sphereMesh->SetMaterialCount(1);
sphereMesh->GenerateNormalsAndTangents();
std::shared_ptr<Nz::GraphicalMesh> gfxMesh = Nz::GraphicalMesh::BuildFromMesh(*sphereMesh);
// Textures
Nz::TextureParams texParams;
texParams.renderDevice = device;
Nz::TextureParams srgbTexParams = texParams;
srgbTexParams.loadFormat = Nz::PixelFormat::RGBA8_SRGB;
std::shared_ptr<Nz::Material> material = std::make_shared<Nz::Material>();
std::shared_ptr<Nz::MaterialPass> forwardPass = std::make_shared<Nz::MaterialPass>(Nz::BasicMaterial::GetSettings());
forwardPass->EnableDepthBuffer(true);
forwardPass->EnableFaceCulling(true);
material->AddPass("ForwardPass", forwardPass);
std::shared_ptr<Nz::Texture> normalMap = Nz::Texture::LoadFromFile(resourceDir / "Rusty/rustediron2_normal.png", texParams);
Nz::BasicMaterial pbrMat(*forwardPass);
pbrMat.EnableAlphaTest(false);
pbrMat.SetAlphaMap(Nz::Texture::LoadFromFile(resourceDir / "alphatile.png", texParams));
pbrMat.SetBaseColorMap(Nz::Texture::LoadFromFile(resourceDir / "Rusty/rustediron2_basecolor.png", srgbTexParams));
std::shared_ptr<Nz::Model> sphereModel = std::make_shared<Nz::Model>(std::move(gfxMesh), sphereMesh->GetAABB());
for (std::size_t i = 0; i < sphereModel->GetSubMeshCount(); ++i)
sphereModel->SetMaterial(i, material);
auto& sphereNode = registry.emplace<Nz::NodeComponent>(sphereEntity);
sphereNode.SetScale(0.1f);
sphereNode.SetInheritScale(false);
sphereNode.SetParentJoint(bobEntity, "RightHand");
auto& sphereBody = registry.emplace<Nz::RigidBody3DComponent>(sphereEntity, &physSytem.GetPhysWorld());
sphereBody.SetGeom(std::make_shared<Nz::SphereCollider3D>(0.1f));
auto& sphereGfx = registry.emplace<Nz::GraphicsComponent>(sphereEntity);
sphereGfx.AttachRenderable(sphereModel, 0xFFFFFFFF);
}
entt::entity smallBobEntity = registry.create();
auto& smallBobNode = registry.emplace<Nz::NodeComponent>(smallBobEntity);
smallBobNode.SetParentJoint(bobEntity, "LeftHand");
auto& smallBobGfx = registry.emplace<Nz::GraphicsComponent>(smallBobEntity);
smallBobGfx.AttachRenderable(bobModel, 0xFFFFFFFF);
registry.emplace<Nz::SharedSkeletonComponent>(smallBobEntity, skeleton);
}
entt::entity planeEntity = registry.create();
{
Nz::MeshParams meshPrimitiveParams;
meshPrimitiveParams.vertexDeclaration = Nz::VertexDeclaration::Get(Nz::VertexLayout::XYZ_Normal_UV);
Nz::Vector2f planeSize(25.f, 25.f);
Nz::Mesh planeMesh;
planeMesh.CreateStatic();
planeMesh.BuildSubMesh(Nz::Primitive::Plane(planeSize, Nz::Vector2ui(0u), Nz::Matrix4f::Identity(), Nz::Rectf(0.f, 0.f, 10.f, 10.f)), meshPrimitiveParams);
planeMesh.SetMaterialCount(1);
std::shared_ptr<Nz::GraphicalMesh> planeMeshGfx = Nz::GraphicalMesh::BuildFromMesh(planeMesh);
std::shared_ptr<Nz::Material> planeMat = std::make_shared<Nz::Material>();
std::shared_ptr<Nz::MaterialPass> planeMatPass = std::make_shared<Nz::MaterialPass>(Nz::BasicMaterial::GetSettings());
planeMatPass->EnableDepthBuffer(true);
{
Nz::BasicMaterial basicMat(*planeMatPass);
basicMat.SetBaseColorMap(Nz::Texture::LoadFromFile(resourceDir / "dev_grey.png", texParams));
Nz::TextureSamplerInfo planeSampler;
planeSampler.anisotropyLevel = 16;
planeSampler.wrapModeU = Nz::SamplerWrap::Repeat;
planeSampler.wrapModeV = Nz::SamplerWrap::Repeat;
basicMat.SetBaseColorSampler(planeSampler);
}
planeMat->AddPass("ForwardPass", planeMatPass);
std::shared_ptr<Nz::Model> planeModel = std::make_shared<Nz::Model>(std::move(planeMeshGfx), planeMesh.GetAABB());
planeModel->SetMaterial(0, planeMat);
auto& planeNode = registry.emplace<Nz::NodeComponent>(planeEntity);
auto& planeBody = registry.emplace<Nz::RigidBody3DComponent>(planeEntity, &physSytem.GetPhysWorld());
planeBody.SetGeom(std::make_shared<Nz::BoxCollider3D>(Nz::Vector3f(planeSize.x, 0.5f, planeSize.y), Nz::Vector3f(0.f, -0.25f, 0.f)));
auto& planeGfx = registry.emplace<Nz::GraphicsComponent>(planeEntity);
planeGfx.AttachRenderable(planeModel, 0xFFFFFFFF);
}
window.EnableEventPolling(true);
Nz::Clock fpsClock, updateClock;
float incr = 0.f;
unsigned int currentFrame = 0;
unsigned int nextFrame = 1;
Nz::EulerAnglesf camAngles = Nz::EulerAnglesf(-30.f, 0.f, 0.f);
Nz::UInt64 lastTime = Nz::GetElapsedMicroseconds();
Nz::UInt64 fps = 0;
while (window.IsOpen())
{
Nz::UInt64 now = Nz::GetElapsedMicroseconds();
Nz::UInt64 elapsedTime = (now - lastTime) / 1'000'000.f;
lastTime = now;
Nz::WindowEvent event;
while (window.PollEvent(&event))
{
switch (event.type)
{
case Nz::WindowEventType::Quit:
window.Close();
break;
case Nz::WindowEventType::KeyPressed:
break;
case Nz::WindowEventType::MouseMoved:
{
// Gestion de la caméra free-fly (Rotation)
float sensitivity = 0.3f; // Sensibilité de la souris
// On modifie l'angle de la caméra grâce au déplacement relatif sur X de la souris
camAngles.yaw = camAngles.yaw - event.mouseMove.deltaX * sensitivity;
camAngles.yaw.Normalize();
// Idem, mais pour éviter les problèmes de calcul de la matrice de vue, on restreint les angles
camAngles.pitch = Nz::Clamp(camAngles.pitch - event.mouseMove.deltaY * sensitivity, -89.f, 89.f);
auto& playerRotNode = registry.get<Nz::NodeComponent>(playerRotation);
playerRotNode.SetRotation(camAngles);
break;
}
default:
break;
}
}
if (updateClock.GetMilliseconds() > 1000 / 60)
{
float updateTime = updateClock.Restart() / 1'000'000.f;
auto& playerBody = registry.get<Nz::RigidBody3DComponent>(playerEntity);
float mass = playerBody.GetMass();
if (Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::Space))
playerBody.AddForce(Nz::Vector3f(0.f, mass * 50.f, 0.f));
if (Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::Up) || Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::Z))
playerBody.AddForce(Nz::Vector3f::Forward() * 25.f * mass, Nz::CoordSys::Local);
if (Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::Down) || Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::S))
playerBody.AddForce(Nz::Vector3f::Backward() * 25.f * mass, Nz::CoordSys::Local);
if (Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::Left) || Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::Q))
playerBody.AddForce(Nz::Vector3f::Left() * 25.f * mass, Nz::CoordSys::Local);
if (Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::Right) || Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::D))
playerBody.AddForce(Nz::Vector3f::Right() * 25.f * mass, Nz::CoordSys::Local);
incr += updateTime * bobAnim->GetSequence(0)->frameRate * 1.5f;
while (incr >= 1.f)
{
incr -= 1.f;
currentFrame = nextFrame;
nextFrame++;
if (nextFrame >= bobAnim->GetFrameCount())
nextFrame = 0;
}
std::cout << currentFrame << std::endl;
bobAnim->AnimateSkeleton(skeleton.get(), currentFrame, nextFrame, incr);
//for (std::size_t i = 0; i < skeleton.GetJointCount(); ++i)
// matrices[i] = skeleton.GetJoint(i)->GetSkinningMatrix();
//renderBuffer->Fill(skeletalBufferMem.data(), 0, skeletalBufferMem.size());
/*auto spaceshipView = registry.view<Nz::NodeComponent, Nz::RigidBody3DComponent>();
for (auto&& [entity, node, _] : spaceshipView.each())
{
if (entity == playerEntity)
continue;
Nz::Vector3f spaceshipPos = node.GetPosition(Nz::CoordSys::Global);
if (spaceshipPos.GetSquaredLength() > Nz::IntegralPow(20.f, 2))
registry.destroy(entity);
}
Nz::RigidBody3DComponent& playerShipBody = registry.get<Nz::RigidBody3DComponent>(playerEntity);
Nz::Quaternionf currentRotation = playerShipBody.GetRotation();
Nz::Vector3f desiredHeading = registry.get<Nz::NodeComponent>(headingEntity).GetForward();
Nz::Vector3f currentHeading = currentRotation * Nz::Vector3f::Forward();
Nz::Vector3f headingError = currentHeading.CrossProduct(desiredHeading);
Nz::Vector3f desiredUp = registry.get<Nz::NodeComponent>(headingEntity).GetUp();
Nz::Vector3f currentUp = currentRotation * Nz::Vector3f::Up();
Nz::Vector3f upError = currentUp.CrossProduct(desiredUp);
playerShipBody.AddTorque(headingController.Update(headingError, elapsedTime) * 10.f);
playerShipBody.AddTorque(upController.Update(upError, elapsedTime) * 10.f);
float mass = playerShipBody.GetMass();
if (Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::Up) || Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::Z))
playerShipBody.AddForce(Nz::Vector3f::Forward() * 2.5f * mass, Nz::CoordSys::Local);
if (Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::Down) || Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::S))
playerShipBody.AddForce(Nz::Vector3f::Backward() * 2.5f * mass, Nz::CoordSys::Local);
if (Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::Left) || Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::Q))
playerShipBody.AddForce(Nz::Vector3f::Left() * 2.5f * mass, Nz::CoordSys::Local);
if (Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::Right) || Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::D))
playerShipBody.AddForce(Nz::Vector3f::Right() * 2.5f * mass, Nz::CoordSys::Local);
if (Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::LShift) || Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::RShift))
playerShipBody.AddForce(Nz::Vector3f::Up() * 3.f * mass, Nz::CoordSys::Local);
if (Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::LControl) || Nz::Keyboard::IsKeyPressed(Nz::Keyboard::VKey::RControl))
playerShipBody.AddForce(Nz::Vector3f::Down() * 3.f * mass, Nz::CoordSys::Local);*/
}
Nz::DebugDrawer& debugDrawer = renderSystem.GetFramePipeline().GetDebugDrawer();
//debugDrawer.DrawSkeleton(*skeleton, Nz::Color::Red);
systemGraph.Update();
fps++;
if (fpsClock.GetMilliseconds() >= 1000)
{
fpsClock.Restart();
window.SetTitle(windowTitle + " - " + Nz::NumberToString(fps) + " FPS" + " - " + Nz::NumberToString(registry.alive()) + " entities");
fps = 0;
}
}
return EXIT_SUCCESS;
}
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