89 lines
3.1 KiB
C++
89 lines
3.1 KiB
C++
// Copyright (C) 2020 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Physics 3D module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef NAZARA_PHYSWORLD_HPP
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#define NAZARA_PHYSWORLD_HPP
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#include <Nazara/Prerequisites.hpp>
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#include <Nazara/Core/MovablePtr.hpp>
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#include <Nazara/Core/String.hpp>
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#include <Nazara/Math/Box.hpp>
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#include <Nazara/Math/Vector3.hpp>
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#include <Nazara/Physics3D/Config.hpp>
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#include <unordered_map>
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class NewtonBody;
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class NewtonJoint;
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class NewtonMaterial;
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class NewtonWorld;
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namespace Nz
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{
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class RigidBody3D;
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class NAZARA_PHYSICS3D_API PhysWorld3D
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{
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public:
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using BodyIterator = std::function<bool(RigidBody3D& body)>;
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using AABBOverlapCallback = std::function<bool(const RigidBody3D& firstBody, const RigidBody3D& secondBody)>;
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using CollisionCallback = std::function<bool(const RigidBody3D& firstBody, const RigidBody3D& secondBody)>;
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PhysWorld3D();
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PhysWorld3D(const PhysWorld3D&) = delete;
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PhysWorld3D(PhysWorld3D&&) noexcept = default;
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~PhysWorld3D();
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int CreateMaterial(String name = String());
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void ForEachBodyInAABB(const Boxf& box, const BodyIterator& iterator);
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Vector3f GetGravity() const;
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NewtonWorld* GetHandle() const;
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int GetMaterial(const String& name);
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std::size_t GetMaxStepCount() const;
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float GetStepSize() const;
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unsigned int GetThreadCount() const;
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void SetGravity(const Vector3f& gravity);
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void SetMaxStepCount(std::size_t maxStepCount);
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void SetSolverModel(unsigned int model);
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void SetStepSize(float stepSize);
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void SetThreadCount(unsigned int threadCount);
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void SetMaterialCollisionCallback(int firstMaterial, int secondMaterial, AABBOverlapCallback aabbOverlapCallback, CollisionCallback collisionCallback);
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void SetMaterialDefaultCollidable(int firstMaterial, int secondMaterial, bool collidable);
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void SetMaterialDefaultElasticity(int firstMaterial, int secondMaterial, float elasticCoef);
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void SetMaterialDefaultFriction(int firstMaterial, int secondMaterial, float staticFriction, float kineticFriction);
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void SetMaterialDefaultSoftness(int firstMaterial, int secondMaterial, float softness);
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void SetMaterialSurfaceThickness(int firstMaterial, int secondMaterial, float thickness);
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void Step(float timestep);
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PhysWorld3D& operator=(const PhysWorld3D&) = delete;
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PhysWorld3D& operator=(PhysWorld3D&&) noexcept = default;
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private:
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struct Callback
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{
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AABBOverlapCallback aabbOverlapCallback;
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CollisionCallback collisionCallback;
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};
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static int OnAABBOverlap(const NewtonMaterial* const material, const NewtonBody* const body0, const NewtonBody* const body1, int threadIndex);
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static void ProcessContact(const NewtonJoint* const contact, float timestep, int threadIndex);
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std::unordered_map<Nz::UInt64, std::unique_ptr<Callback>> m_callbacks;
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std::unordered_map<Nz::String, int> m_materialIds;
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std::size_t m_maxStepCount;
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MovablePtr<NewtonWorld> m_world;
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Vector3f m_gravity;
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float m_stepSize;
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float m_timestepAccumulator;
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};
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}
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#endif // NAZARA_PHYSWORLD_HPP
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