Rename ChipmunkPhysics2D and JoltPhysics3D to Physics[2D|3D]
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Lynix
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include/Nazara/Physics2D/PhysWorld2D.hpp
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163
include/Nazara/Physics2D/PhysWorld2D.hpp
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// Copyright (C) 2024 Jérôme "SirLynix" Leclercq (lynix680@gmail.com)
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// This file is part of the "Nazara Engine - Physics2D 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_PHYSICS2D_PHYSWORLD2D_HPP
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#define NAZARA_PHYSICS2D_PHYSWORLD2D_HPP
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#include <NazaraUtils/Prerequisites.hpp>
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#include <Nazara/Core/Color.hpp>
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#include <Nazara/Core/Time.hpp>
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#include <Nazara/Math/Angle.hpp>
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#include <Nazara/Math/Vector2.hpp>
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#include <Nazara/Physics2D/Config.hpp>
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#include <Nazara/Physics2D/RigidBody2D.hpp>
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#include <NazaraUtils/Bitset.hpp>
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#include <NazaraUtils/FunctionRef.hpp>
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#include <NazaraUtils/Signal.hpp>
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#include <functional>
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#include <memory>
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#include <unordered_map>
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#include <vector>
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struct cpCollisionHandler;
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struct cpSpace;
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namespace Nz
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{
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class PhysArbiter2D;
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class NAZARA_PHYSICS2D_API PhysWorld2D
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{
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friend RigidBody2D;
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using ContactEndCallback = std::function<void(PhysWorld2D& world, PhysArbiter2D& arbiter, RigidBody2D& bodyA, RigidBody2D& bodyB, void* userdata)>;
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using ContactPreSolveCallback = std::function<bool(PhysWorld2D& world, PhysArbiter2D& arbiter, RigidBody2D& bodyA, RigidBody2D& bodyB, void* userdata)>;
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using ContactPostSolveCallback = std::function<void(PhysWorld2D& world, PhysArbiter2D& arbiter, RigidBody2D& bodyA, RigidBody2D& bodyB, void* userdata)>;
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using ContactStartCallback = std::function<bool(PhysWorld2D& world, PhysArbiter2D& arbiter, RigidBody2D& bodyA, RigidBody2D& bodyB, void* userdata)>;
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using DebugDrawCircleCallback = std::function<void(const Vector2f& origin, const RadianAnglef& rotation, float radius, const Color& outlineColor, const Color& fillColor, void* userdata)>;
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using DebugDrawDotCallback = std::function<void(const Vector2f& origin, float radius, const Color& color, void* userdata)>;
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using DebugDrawPolygonCallback = std::function<void(const Vector2f* vertices, std::size_t vertexCount, float radius, const Color& outlineColor, const Color& fillColor, void* userdata)>;
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using DebugDrawSegmentCallback = std::function<void(const Vector2f& first, const Vector2f& second, const Color& color, void* userdata)>;
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using DebugDrawTickSegmentCallback = std::function<void(const Vector2f& first, const Vector2f& second, float thickness, const Color& outlineColor, const Color& fillColor, void* userdata)>;
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using DebugDrawGetColorCallback = std::function<Color(RigidBody2D& body, std::size_t shapeIndex, void* userdata)>;
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public:
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struct ContactCallbacks;
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struct DebugDrawOptions;
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struct NearestQueryResult;
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struct RaycastHit;
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PhysWorld2D();
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PhysWorld2D(const PhysWorld2D&) = delete;
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PhysWorld2D(PhysWorld2D&&) = delete;
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~PhysWorld2D();
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void DebugDraw(const DebugDrawOptions& options, bool drawShapes = true, bool drawConstraints = true, bool drawCollisions = true) const;
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float GetDamping() const;
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Vector2f GetGravity() const;
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cpSpace* GetHandle() const;
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std::size_t GetIterationCount() const;
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std::size_t GetMaxStepCount() const;
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Time GetStepSize() const;
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bool NearestBodyQuery(const Vector2f& from, float maxDistance, UInt32 collisionGroup, UInt32 categoryMask, UInt32 collisionMask, RigidBody2D** nearestBody = nullptr);
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bool NearestBodyQuery(const Vector2f& from, float maxDistance, UInt32 collisionGroup, UInt32 categoryMask, UInt32 collisionMask, NearestQueryResult* result);
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void RaycastQuery(const Vector2f& from, const Vector2f& to, float radius, UInt32 collisionGroup, UInt32 categoryMask, UInt32 collisionMask, const FunctionRef<void(const RaycastHit&)>& callback);
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bool RaycastQuery(const Vector2f& from, const Vector2f& to, float radius, UInt32 collisionGroup, UInt32 categoryMask, UInt32 collisionMask, std::vector<RaycastHit>* hitInfos);
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bool RaycastQueryFirst(const Vector2f& from, const Vector2f& to, float radius, UInt32 collisionGroup, UInt32 categoryMask, UInt32 collisionMask, RaycastHit* hitInfo = nullptr);
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void RegionQuery(const Rectf& boundingBox, UInt32 collisionGroup, UInt32 categoryMask, UInt32 collisionMask, const FunctionRef<void(RigidBody2D*)>& callback);
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void RegionQuery(const Rectf& boundingBox, UInt32 collisionGroup, UInt32 categoryMask, UInt32 collisionMask, std::vector<RigidBody2D*>* bodies);
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void RegisterCallbacks(unsigned int collisionId, ContactCallbacks callbacks);
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void RegisterCallbacks(unsigned int collisionIdA, unsigned int collisionIdB, ContactCallbacks callbacks);
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void SetDamping(float dampingValue);
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void SetGravity(const Vector2f& gravity);
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void SetIterationCount(std::size_t iterationCount);
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void SetMaxStepCount(std::size_t maxStepCount);
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void SetSleepTime(Time sleepTime);
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void SetStepSize(Time stepSize);
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void Step(Time timestep);
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void UseSpatialHash(float cellSize, std::size_t entityCount);
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PhysWorld2D& operator=(const PhysWorld2D&) = delete;
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PhysWorld2D& operator=(PhysWorld2D&&) = delete;
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struct ContactCallbacks
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{
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ContactEndCallback endCallback = nullptr;
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ContactPostSolveCallback postSolveCallback = nullptr;
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ContactPreSolveCallback preSolveCallback = nullptr;
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ContactStartCallback startCallback = nullptr;
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void* userdata = nullptr;
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};
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struct DebugDrawOptions
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{
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Color constraintColor = Color::Blue();
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Color collisionPointColor = Color::Green();
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Color shapeOutlineColor = Color::Red();
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DebugDrawCircleCallback circleCallback;
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DebugDrawGetColorCallback colorCallback;
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DebugDrawDotCallback dotCallback;
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DebugDrawPolygonCallback polygonCallback;
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DebugDrawSegmentCallback segmentCallback;
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DebugDrawTickSegmentCallback thickSegmentCallback;
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void* userdata = nullptr;
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};
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struct NearestQueryResult
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{
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RigidBody2D* nearestBody;
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Vector2f closestPoint;
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Vector2f fraction;
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float distance;
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};
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struct RaycastHit
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{
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RigidBody2D* nearestBody;
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Vector2f hitPos;
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Vector2f hitNormal;
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float fraction;
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};
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NazaraSignal(OnPhysWorld2DPreStep, const PhysWorld2D* /*physWorld*/, float /*invStepCount*/);
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NazaraSignal(OnPhysWorld2DPostStep, const PhysWorld2D* /*physWorld*/, float /*invStepCount*/);
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private:
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using PostStep = std::function<void(RigidBody2D* body)>;
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static constexpr std::size_t FreeBodyIdGrowRate = 256;
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void DeferBodyAction(RigidBody2D& rigidBody, PostStep&& func);
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void InitCallbacks(cpCollisionHandler* handler, ContactCallbacks callbacks);
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inline UInt32 RegisterBody(RigidBody2D& rigidBody);
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inline void UnregisterBody(UInt32 bodyIndex);
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inline void UpdateBodyPointer(RigidBody2D& rigidBody);
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std::size_t m_maxStepCount;
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std::unordered_map<cpCollisionHandler*, std::unique_ptr<ContactCallbacks>> m_callbacks;
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std::unordered_map<UInt32, std::vector<PostStep>> m_rigidBodyPostSteps;
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std::vector<RigidBody2D*> m_bodies;
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cpSpace* m_handle;
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Bitset<UInt64> m_freeBodyIndices;
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Time m_stepSize;
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Time m_timestepAccumulator;
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};
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}
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#include <Nazara/Physics2D/PhysWorld2D.inl>
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#endif // NAZARA_PHYSICS2D_PHYSWORLD2D_HPP
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