Ndk/Physics: Added first physics components/systems

Former-commit-id: 654b7a2a4645487d139474dcbd02c0882d7c8f02

SDK/src/NDK/Components/CollisionComponent.cpp

@@ -0,0 +1,67 @@
+// Copyright (C) 2015 Jérôme Leclercq
+// This file is part of the "Nazara Development Kit"
+// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
+
+#include <NDK/Components/CollisionComponent.hpp>
+#include <Nazara/Physics/PhysObject.hpp>
+#include <NDK/World.hpp>
+#include <NDK/Components/PhysicsComponent.hpp>
+#include <NDK/Systems/PhysicsSystem.hpp>
+
+namespace Ndk
+{
+	void CollisionComponent::SetGeom(NzPhysGeomRef geom)
+	{
+		m_geom = std::move(geom);
+
+		if (m_entity->HasComponent<PhysicsComponent>())
+		{
+			// On met à jour la géométrie du PhysObject associé au PhysicsComponent
+			PhysicsComponent& physComponent = m_entity->GetComponent<PhysicsComponent>();
+			physComponent.GetPhysObject().SetGeom(m_geom);
+		}
+		else
+		{
+			NazaraAssert(m_staticBody, "An entity without physics component should have a static body");
+			m_staticBody->SetGeom(m_geom);
+		}
+	}
+
+	void CollisionComponent::InitializeStaticBody()
+	{
+		NazaraAssert(m_entity, "Invalid entity");
+		World* entityWorld = m_entity->GetWorld();
+
+		NazaraAssert(entityWorld, "Entity must have world");
+		NazaraAssert(entityWorld->HasSystem<PhysicsSystem>(), "World must have a physics system");
+		NzPhysWorld& physWorld = entityWorld->GetSystem<PhysicsSystem>().GetWorld();
+
+		m_staticBody.reset(new NzPhysObject(&physWorld, m_geom));
+		m_staticBody->EnableAutoSleep(false);
+	}
+
+	void CollisionComponent::OnAttached()
+	{
+		if (!m_entity->HasComponent<PhysicsComponent>())
+			InitializeStaticBody();
+	}
+
+	void CollisionComponent::OnComponentAttached(BaseComponent& component)
+	{
+		if (component.GetIndex() == GetComponentIndex<PhysicsComponent>())
+			m_staticBody.reset();
+	}
+
+	void CollisionComponent::OnComponentDetached(BaseComponent& component)
+	{
+		if (component.GetIndex() == GetComponentIndex<PhysicsComponent>())
+			InitializeStaticBody();
+	}
+
+	void CollisionComponent::OnDetached()
+	{
+		m_staticBody.reset();
+	}
+
+	ComponentIndex CollisionComponent::componentIndex;
+}

SDK/src/NDK/Components/PhysicsComponent.cpp

@@ -0,0 +1,59 @@
+// Copyright (C) 2015 Jérôme Leclercq
+// This file is part of the "Nazara Development Kit"
+// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
+
+#include <NDK/Components/PhysicsComponent.hpp>
+#include <Nazara/Physics/PhysObject.hpp>
+#include <NDK/World.hpp>
+#include <NDK/Components/CollisionComponent.hpp>
+#include <NDK/Components/NodeComponent.hpp>
+#include <NDK/Systems/PhysicsSystem.hpp>
+
+namespace Ndk
+{
+	void PhysicsComponent::OnAttached()
+	{
+		World* entityWorld = m_entity->GetWorld();
+		NazaraAssert(entityWorld->HasSystem<PhysicsSystem>(), "World must have a physics system");
+
+		NzPhysWorld& world = entityWorld->GetSystem<PhysicsSystem>().GetWorld();
+
+		NzPhysGeomRef geom;
+		if (m_entity->HasComponent<CollisionComponent>())
+			geom = m_entity->GetComponent<CollisionComponent>().GetGeom();
+
+		NzMatrix4f matrix;
+		if (m_entity->HasComponent<NodeComponent>())
+			matrix = m_entity->GetComponent<NodeComponent>().GetTransformMatrix();
+		else
+			matrix.MakeIdentity();
+
+		m_object.reset(new NzPhysObject(&world, geom, matrix));
+		m_object->SetMass(1.f);
+	}
+
+	void PhysicsComponent::OnComponentAttached(BaseComponent& component)
+	{
+		if (component.GetIndex() == GetComponentIndex<CollisionComponent>())
+		{
+			NazaraAssert(m_object, "Invalid object");
+			m_object->SetGeom(static_cast<CollisionComponent&>(component).GetGeom());
+		}
+	}
+
+	void PhysicsComponent::OnComponentDetached(BaseComponent& component)
+	{
+		if (component.GetIndex() == GetComponentIndex<CollisionComponent>())
+		{
+			NazaraAssert(m_object, "Invalid object");
+			m_object->SetGeom(NzNullGeom::New());
+		}
+	}
+
+	void PhysicsComponent::OnDetached()
+	{
+		m_object.reset();
+	}
+
+	ComponentIndex PhysicsComponent::componentIndex;
+}