NazaraEngine/include/Nazara/Physics2D/PhysWorld2D.hpp

73 lines
2.1 KiB
C++

// Copyright (C) 2017 Jérôme Leclercq
// This file is part of the "Nazara Engine - Physics 2D module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#pragma once
#ifndef NAZARA_PHYSWORLD2D_HPP
#define NAZARA_PHYSWORLD2D_HPP
#include <Nazara/Prerequesites.hpp>
#include <Nazara/Math/Vector2.hpp>
#include <Nazara/Physics2D/Config.hpp>
#include <memory>
#include <unordered_map>
struct cpCollisionHandler;
struct cpSpace;
namespace Nz
{
class RigidBody2D;
class NAZARA_PHYSICS2D_API PhysWorld2D
{
using ContactEndCallback = void(*)(PhysWorld2D& world, RigidBody2D& bodyA, RigidBody2D& bodyB, void* userdata);
using ContactPreSolveCallback = bool(*)(PhysWorld2D& world, RigidBody2D& bodyA, RigidBody2D& bodyB, void* userdata);
using ContactPostSolveCallback = void(*)(PhysWorld2D& world, RigidBody2D& bodyA, RigidBody2D& bodyB, void* userdata);
using ContactStartCallback = bool(*)(PhysWorld2D& world, RigidBody2D& bodyA, RigidBody2D& bodyB, void* userdata);
public:
struct Callback;
PhysWorld2D();
PhysWorld2D(const PhysWorld2D&) = delete;
PhysWorld2D(PhysWorld2D&&) = delete; ///TODO
~PhysWorld2D();
Vector2f GetGravity() const;
cpSpace* GetHandle() const;
float GetStepSize() const;
void RegisterCallbacks(unsigned int collisionId, const Callback& callbacks);
void RegisterCallbacks(unsigned int collisionIdA, unsigned int collisionIdB, const Callback& callbacks);
void SetGravity(const Vector2f& gravity);
void SetStepSize(float stepSize);
void Step(float timestep);
PhysWorld2D& operator=(const PhysWorld2D&) = delete;
PhysWorld2D& operator=(PhysWorld2D&&) = delete; ///TODO
struct Callback
{
ContactEndCallback endCallback;
ContactPreSolveCallback preSolveCallback;
ContactPostSolveCallback postSolveCallback;
ContactStartCallback startCallback;
void* userdata;
};
private:
void InitCallbacks(cpCollisionHandler* handler, const Callback& callbacks);
std::unordered_map<cpCollisionHandler*, std::unique_ptr<Callback>> m_callbacks;
cpSpace* m_handle;
float m_stepSize;
float m_timestepAccumulator;
};
}
#endif // NAZARA_PHYSWORLD2D_HPP