NazaraEngine/examples/Showcase/main.cpp

429 lines
16 KiB
C++

#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/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::PluginManager::Mount(Nz::Plugin::Assimp);
Nz::CallOnExit unmountAssimp([]
{
Nz::PluginManager::Unmount(Nz::Plugin::Assimp);
});
std::shared_ptr<Nz::RenderDevice> device = Nz::Graphics::Instance()->GetRenderDevice();
entt::registry registry;
Nz::SystemGraph systemGraph(registry);
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));
}
nzsl::FieldOffsets skeletalOffsets(nzsl::StructLayout::Std140);
std::size_t arrayOffset = skeletalOffsets.AddMatrixArray(nzsl::StructFieldType::Float1, 4, 4, true, 200);
std::vector<Nz::UInt8> skeletalBufferMem(skeletalOffsets.GetAlignedSize());
Nz::Matrix4f* matrices = Nz::AccessByOffset<Nz::Matrix4f*>(skeletalBufferMem.data(), arrayOffset);
Nz::MeshParams meshParams;
meshParams.animated = true;
meshParams.center = true;
meshParams.vertexOffset = Nz::Vector3f(3.f, 0.f, 0.f);
meshParams.vertexRotation = Nz::EulerAnglesf(0.f, 0.f, 0.f);
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/Wave Hip Hop Dance.fbx", animParam);
if (!bobAnim)
{
NazaraError("Failed to load bob anim");
return __LINE__;
}
Nz::Skeleton skeleton = *bobMesh->GetSkeleton();
std::cout << "joint count: " << skeleton.GetJointCount() << std::endl;
//std::cout << "anim joint count: " << bobAnim->GetJointCount() << std::endl;
//bobAnim->AnimateSkeleton(&skeleton, 0, 1, 0.5f);
/*for (std::size_t i = 0; i < bobMesh->GetSubMeshCount(); ++i)
{
Nz::VertexMapper mapper(*bobMesh->GetSubMesh(i));
Nz::SkinningData skinningData;
skinningData.joints = skeleton.GetJoints();
skinningData.inputJointIndices = mapper.GetComponentPtr<Nz::Vector4i32>(Nz::VertexComponent::JointIndices);
skinningData.inputJointWeights = mapper.GetComponentPtr<Nz::Vector4f>(Nz::VertexComponent::JointWeights);
skinningData.outputPositions = mapper.GetComponentPtr<Nz::Vector3f>(Nz::VertexComponent::Position);
skinningData.inputPositions = skinningData.outputPositions;
Nz::SkinPosition(skinningData, 0, mapper.GetVertexCount());
}*/
/*for (std::size_t i = 0; i < skeleton.GetJointCount(); ++i)
matrices[i] = skeleton.GetJoint(i)->GetSkinningMatrix();*/
std::shared_ptr<Nz::RenderBuffer> renderBuffer = device->InstantiateBuffer(Nz::BufferType::Uniform, skeletalBufferMem.size(), Nz::BufferUsage::Write, skeletalBufferMem.data());
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, &matPath);
std::shared_ptr<Nz::Material> bobMat = std::make_shared<Nz::Material>();
std::shared_ptr<Nz::MaterialPass> bobMatPass = std::make_shared<Nz::MaterialPass>(Nz::BasicMaterial::GetSettings());
bobMatPass->SetSharedUniformBuffer(0, renderBuffer);
bobMatPass->EnableDepthBuffer(true);
{
std::filesystem::path path(matPath);
//path.replace_extension(".bmp");
Nz::BasicMaterial basicMat(*bobMatPass);
if (matPath.find("gob") != matPath.npos)
{
bobMatPass->EnableFlag(Nz::MaterialPassFlag::SortByDistance);
basicMat.SetAlphaMap(Nz::Texture::LoadFromFile(path, texParams));
bobMatPass->EnableDepthWrite(false);
bobMatPass->EnableBlending(true);
bobMatPass->SetBlendEquation(Nz::BlendEquation::Add, Nz::BlendEquation::Add);
bobMatPass->SetBlendFunc(Nz::BlendFunc::SrcAlpha, Nz::BlendFunc::InvSrcAlpha, Nz::BlendFunc::One, Nz::BlendFunc::Zero);
}
else
basicMat.SetBaseColorMap(Nz::Texture::LoadFromFile(path, texParams));
}
bobMat->AddPass("ForwardPass", bobMatPass);
materials[i] = bobMat;
}
for (std::size_t i = 0; i < bobMesh->GetSubMeshCount(); ++i)
bobModel->SetMaterial(i, materials[bobMesh->GetSubMesh(i)->GetMaterialIndex()]);
/*for (std::size_t y = 0; y < 50; ++y)
{
for (std::size_t x = 0; x < 50; ++x)
{
entt::entity bobEntity = registry.create();
auto& bobNode = registry.emplace<Nz::NodeComponent>(bobEntity);
bobNode.SetPosition(Nz::Vector3f(x - 25.f, bobAABB.height / 2.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::entity bobEntity = registry.create();
{
auto& bobNode = registry.emplace<Nz::NodeComponent>(bobEntity);
//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 = registry.emplace<Nz::GraphicsComponent>(bobEntity);
bobGfx.AttachRenderable(bobModel, 0xFFFFFFFF);
}
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 += 1.f / 60.f * 30.f;
if (incr >= 1.f)
{
incr -= 1.f;
currentFrame = nextFrame;
nextFrame++;
if (nextFrame >= bobAnim->GetFrameCount())
nextFrame = 0;
}
std::cout << currentFrame << std::endl;
bobAnim->AnimateSkeleton(&skeleton, 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::RenderFrame frame = window.AcquireFrame();
if (!frame)
continue;
frame.Execute([&](Nz::CommandBufferBuilder& builder)
{
builder.BeginDebugRegion("Skeletal UBO Update", Nz::Color::Yellow);
{
builder.PreTransferBarrier();
auto& skeletalAllocation = frame.GetUploadPool().Allocate(skeletalBufferMem.size());
std::memcpy(skeletalAllocation.mappedPtr, skeletalBufferMem.data(), skeletalBufferMem.size());
builder.CopyBuffer(skeletalAllocation, Nz::RenderBufferView(renderBuffer.get()));
builder.PostTransferBarrier();
}
builder.EndDebugRegion();
}, Nz::QueueType::Graphics);
systemGraph.Update();
frame.Present();
fps++;
if (fpsClock.GetMilliseconds() >= 1000)
{
fpsClock.Restart();
window.SetTitle(windowTitle + " - " + Nz::NumberToString(fps) + " FPS" + " - " + Nz::NumberToString(registry.alive()) + " entities");
fps = 0;
}
}
return EXIT_SUCCESS;
}