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Diffstat (limited to 'Source/3rdParty/Box2D/Dynamics/b2World.h')
| -rw-r--r-- | Source/3rdParty/Box2D/Dynamics/b2World.h | 354 |
1 files changed, 0 insertions, 354 deletions
diff --git a/Source/3rdParty/Box2D/Dynamics/b2World.h b/Source/3rdParty/Box2D/Dynamics/b2World.h deleted file mode 100644 index d5ad20c..0000000 --- a/Source/3rdParty/Box2D/Dynamics/b2World.h +++ /dev/null @@ -1,354 +0,0 @@ -/* -* Copyright (c) 2006-2011 Erin Catto http://www.box2d.org -* -* This software is provided 'as-is', without any express or implied -* warranty. In no event will the authors be held liable for any damages -* arising from the use of this software. -* Permission is granted to anyone to use this software for any purpose, -* including commercial applications, and to alter it and redistribute it -* freely, subject to the following restrictions: -* 1. The origin of this software must not be misrepresented; you must not -* claim that you wrote the original software. If you use this software -* in a product, an acknowledgment in the product documentation would be -* appreciated but is not required. -* 2. Altered source versions must be plainly marked as such, and must not be -* misrepresented as being the original software. -* 3. This notice may not be removed or altered from any source distribution. -*/ - -#ifndef B2_WORLD_H -#define B2_WORLD_H - -#include "Box2D/Common/b2Math.h" -#include "Box2D/Common/b2BlockAllocator.h" -#include "Box2D/Common/b2StackAllocator.h" -#include "Box2D/Dynamics/b2ContactManager.h" -#include "Box2D/Dynamics/b2WorldCallbacks.h" -#include "Box2D/Dynamics/b2TimeStep.h" - -struct b2AABB; -struct b2BodyDef; -struct b2Color; -struct b2JointDef; -class b2Body; -class b2Draw; -class b2Fixture; -class b2Joint; - -/// The world class manages all physics entities, dynamic simulation, -/// and asynchronous queries. The world also contains efficient memory -/// management facilities. -class b2World -{ -public: - /// Construct a world object. - /// @param gravity the world gravity vector. - b2World(const b2Vec2& gravity); - - /// Destruct the world. All physics entities are destroyed and all heap memory is released. - ~b2World(); - - /// Register a destruction listener. The listener is owned by you and must - /// remain in scope. - void SetDestructionListener(b2DestructionListener* listener); - - /// Register a contact filter to provide specific control over collision. - /// Otherwise the default filter is used (b2_defaultFilter). The listener is - /// owned by you and must remain in scope. - void SetContactFilter(b2ContactFilter* filter); - - /// Register a contact event listener. The listener is owned by you and must - /// remain in scope. - void SetContactListener(b2ContactListener* listener); - - /// Register a routine for debug drawing. The debug draw functions are called - /// inside with b2World::DrawDebugData method. The debug draw object is owned - /// by you and must remain in scope. - void SetDebugDraw(b2Draw* debugDraw); - - /// Create a rigid body given a definition. No reference to the definition - /// is retained. - /// @warning This function is locked during callbacks. - b2Body* CreateBody(const b2BodyDef* def); - - /// Destroy a rigid body given a definition. No reference to the definition - /// is retained. This function is locked during callbacks. - /// @warning This automatically deletes all associated shapes and joints. - /// @warning This function is locked during callbacks. - void DestroyBody(b2Body* body); - - /// Create a joint to constrain bodies together. No reference to the definition - /// is retained. This may cause the connected bodies to cease colliding. - /// @warning This function is locked during callbacks. - b2Joint* CreateJoint(const b2JointDef* def); - - /// Destroy a joint. This may cause the connected bodies to begin colliding. - /// @warning This function is locked during callbacks. - void DestroyJoint(b2Joint* joint); - - /// Take a time step. This performs collision detection, integration, - /// and constraint solution. - /// @param timeStep the amount of time to simulate, this should not vary. - /// @param velocityIterations for the velocity constraint solver. - /// @param positionIterations for the position constraint solver. - void Step( float32 timeStep, - int32 velocityIterations, - int32 positionIterations); - - /// Manually clear the force buffer on all bodies. By default, forces are cleared automatically - /// after each call to Step. The default behavior is modified by calling SetAutoClearForces. - /// The purpose of this function is to support sub-stepping. Sub-stepping is often used to maintain - /// a fixed sized time step under a variable frame-rate. - /// When you perform sub-stepping you will disable auto clearing of forces and instead call - /// ClearForces after all sub-steps are complete in one pass of your game loop. - /// @see SetAutoClearForces - void ClearForces(); - - /// Call this to draw shapes and other debug draw data. This is intentionally non-const. - void DrawDebugData(); - - /// Query the world for all fixtures that potentially overlap the - /// provided AABB. - /// @param callback a user implemented callback class. - /// @param aabb the query box. - void QueryAABB(b2QueryCallback* callback, const b2AABB& aabb) const; - - /// Ray-cast the world for all fixtures in the path of the ray. Your callback - /// controls whether you get the closest point, any point, or n-points. - /// The ray-cast ignores shapes that contain the starting point. - /// @param callback a user implemented callback class. - /// @param point1 the ray starting point - /// @param point2 the ray ending point - void RayCast(b2RayCastCallback* callback, const b2Vec2& point1, const b2Vec2& point2) const; - - /// Get the world body list. With the returned body, use b2Body::GetNext to get - /// the next body in the world list. A nullptr body indicates the end of the list. - /// @return the head of the world body list. - b2Body* GetBodyList(); - const b2Body* GetBodyList() const; - - /// Get the world joint list. With the returned joint, use b2Joint::GetNext to get - /// the next joint in the world list. A nullptr joint indicates the end of the list. - /// @return the head of the world joint list. - b2Joint* GetJointList(); - const b2Joint* GetJointList() const; - - /// Get the world contact list. With the returned contact, use b2Contact::GetNext to get - /// the next contact in the world list. A nullptr contact indicates the end of the list. - /// @return the head of the world contact list. - /// @warning contacts are created and destroyed in the middle of a time step. - /// Use b2ContactListener to avoid missing contacts. - b2Contact* GetContactList(); - const b2Contact* GetContactList() const; - - /// Enable/disable sleep. - void SetAllowSleeping(bool flag); - bool GetAllowSleeping() const { return m_allowSleep; } - - /// Enable/disable warm starting. For testing. - void SetWarmStarting(bool flag) { m_warmStarting = flag; } - bool GetWarmStarting() const { return m_warmStarting; } - - /// Enable/disable continuous physics. For testing. - void SetContinuousPhysics(bool flag) { m_continuousPhysics = flag; } - bool GetContinuousPhysics() const { return m_continuousPhysics; } - - /// Enable/disable single stepped continuous physics. For testing. - void SetSubStepping(bool flag) { m_subStepping = flag; } - bool GetSubStepping() const { return m_subStepping; } - - /// Get the number of broad-phase proxies. - int32 GetProxyCount() const; - - /// Get the number of bodies. - int32 GetBodyCount() const; - - /// Get the number of joints. - int32 GetJointCount() const; - - /// Get the number of contacts (each may have 0 or more contact points). - int32 GetContactCount() const; - - /// Get the height of the dynamic tree. - int32 GetTreeHeight() const; - - /// Get the balance of the dynamic tree. - int32 GetTreeBalance() const; - - /// Get the quality metric of the dynamic tree. The smaller the better. - /// The minimum is 1. - float32 GetTreeQuality() const; - - /// Change the global gravity vector. - void SetGravity(const b2Vec2& gravity); - - /// Get the global gravity vector. - b2Vec2 GetGravity() const; - - /// Is the world locked (in the middle of a time step). - bool IsLocked() const; - - /// Set flag to control automatic clearing of forces after each time step. - void SetAutoClearForces(bool flag); - - /// Get the flag that controls automatic clearing of forces after each time step. - bool GetAutoClearForces() const; - - /// Shift the world origin. Useful for large worlds. - /// The body shift formula is: position -= newOrigin - /// @param newOrigin the new origin with respect to the old origin - void ShiftOrigin(const b2Vec2& newOrigin); - - /// Get the contact manager for testing. - const b2ContactManager& GetContactManager() const; - - /// Get the current profile. - const b2Profile& GetProfile() const; - - /// Dump the world into the log file. - /// @warning this should be called outside of a time step. - void Dump(); - -private: - - // m_flags - enum - { - e_newFixture = 0x0001, - e_locked = 0x0002, - e_clearForces = 0x0004 - }; - - friend class b2Body; - friend class b2Fixture; - friend class b2ContactManager; - friend class b2Controller; - - void Solve(const b2TimeStep& step); - void SolveTOI(const b2TimeStep& step); - - void DrawJoint(b2Joint* joint); - void DrawShape(b2Fixture* shape, const b2Transform& xf, const b2Color& color); - - b2BlockAllocator m_blockAllocator; - b2StackAllocator m_stackAllocator; - - int32 m_flags; - - b2ContactManager m_contactManager; - - b2Body* m_bodyList; - b2Joint* m_jointList; - - int32 m_bodyCount; - int32 m_jointCount; - - b2Vec2 m_gravity; - bool m_allowSleep; - - b2DestructionListener* m_destructionListener; - b2Draw* m_debugDraw; - - // This is used to compute the time step ratio to - // support a variable time step. - float32 m_inv_dt0; - - // These are for debugging the solver. - bool m_warmStarting; - bool m_continuousPhysics; - bool m_subStepping; - - bool m_stepComplete; - - b2Profile m_profile; -}; - -inline b2Body* b2World::GetBodyList() -{ - return m_bodyList; -} - -inline const b2Body* b2World::GetBodyList() const -{ - return m_bodyList; -} - -inline b2Joint* b2World::GetJointList() -{ - return m_jointList; -} - -inline const b2Joint* b2World::GetJointList() const -{ - return m_jointList; -} - -inline b2Contact* b2World::GetContactList() -{ - return m_contactManager.m_contactList; -} - -inline const b2Contact* b2World::GetContactList() const -{ - return m_contactManager.m_contactList; -} - -inline int32 b2World::GetBodyCount() const -{ - return m_bodyCount; -} - -inline int32 b2World::GetJointCount() const -{ - return m_jointCount; -} - -inline int32 b2World::GetContactCount() const -{ - return m_contactManager.m_contactCount; -} - -inline void b2World::SetGravity(const b2Vec2& gravity) -{ - m_gravity = gravity; -} - -inline b2Vec2 b2World::GetGravity() const -{ - return m_gravity; -} - -inline bool b2World::IsLocked() const -{ - return (m_flags & e_locked) == e_locked; -} - -inline void b2World::SetAutoClearForces(bool flag) -{ - if (flag) - { - m_flags |= e_clearForces; - } - else - { - m_flags &= ~e_clearForces; - } -} - -/// Get the flag that controls automatic clearing of forces after each time step. -inline bool b2World::GetAutoClearForces() const -{ - return (m_flags & e_clearForces) == e_clearForces; -} - -inline const b2ContactManager& b2World::GetContactManager() const -{ - return m_contactManager; -} - -inline const b2Profile& b2World::GetProfile() const -{ - return m_profile; -} - -#endif |