*init

1 files changed, 211 insertions, 0 deletions

diff --git a/ThirdParty/Box2D/Dynamics/Joints/b2Joint.cpp b/ThirdParty/Box2D/Dynamics/Joints/b2Joint.cpp
new file mode 100644
index 0000000..8103b01
--- /dev/null
+++ b/ThirdParty/Box2D/Dynamics/Joints/b2Joint.cpp
@@ -0,0 +1,211 @@
+/*
+* Copyright (c) 2006-2007 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.
+*/
+
+#include "Box2D/Dynamics/Joints/b2Joint.h"
+#include "Box2D/Dynamics/Joints/b2DistanceJoint.h"
+#include "Box2D/Dynamics/Joints/b2WheelJoint.h"
+#include "Box2D/Dynamics/Joints/b2MouseJoint.h"
+#include "Box2D/Dynamics/Joints/b2RevoluteJoint.h"
+#include "Box2D/Dynamics/Joints/b2PrismaticJoint.h"
+#include "Box2D/Dynamics/Joints/b2PulleyJoint.h"
+#include "Box2D/Dynamics/Joints/b2GearJoint.h"
+#include "Box2D/Dynamics/Joints/b2WeldJoint.h"
+#include "Box2D/Dynamics/Joints/b2FrictionJoint.h"
+#include "Box2D/Dynamics/Joints/b2RopeJoint.h"
+#include "Box2D/Dynamics/Joints/b2MotorJoint.h"
+#include "Box2D/Dynamics/b2Body.h"
+#include "Box2D/Dynamics/b2World.h"
+#include "Box2D/Common/b2BlockAllocator.h"
+
+#include <new>
+
+b2Joint* b2Joint::Create(const b2JointDef* def, b2BlockAllocator* allocator)
+{
+	b2Joint* joint = nullptr;
+
+	switch (def->type)
+	{
+	case e_distanceJoint:
+		{
+			void* mem = allocator->Allocate(sizeof(b2DistanceJoint));
+			joint = new (mem) b2DistanceJoint(static_cast<const b2DistanceJointDef*>(def));
+		}
+		break;
+
+	case e_mouseJoint:
+		{
+			void* mem = allocator->Allocate(sizeof(b2MouseJoint));
+			joint = new (mem) b2MouseJoint(static_cast<const b2MouseJointDef*>(def));
+		}
+		break;
+
+	case e_prismaticJoint:
+		{
+			void* mem = allocator->Allocate(sizeof(b2PrismaticJoint));
+			joint = new (mem) b2PrismaticJoint(static_cast<const b2PrismaticJointDef*>(def));
+		}
+		break;
+
+	case e_revoluteJoint:
+		{
+			void* mem = allocator->Allocate(sizeof(b2RevoluteJoint));
+			joint = new (mem) b2RevoluteJoint(static_cast<const b2RevoluteJointDef*>(def));
+		}
+		break;
+
+	case e_pulleyJoint:
+		{
+			void* mem = allocator->Allocate(sizeof(b2PulleyJoint));
+			joint = new (mem) b2PulleyJoint(static_cast<const b2PulleyJointDef*>(def));
+		}
+		break;
+
+	case e_gearJoint:
+		{
+			void* mem = allocator->Allocate(sizeof(b2GearJoint));
+			joint = new (mem) b2GearJoint(static_cast<const b2GearJointDef*>(def));
+		}
+		break;
+
+	case e_wheelJoint:
+		{
+			void* mem = allocator->Allocate(sizeof(b2WheelJoint));
+			joint = new (mem) b2WheelJoint(static_cast<const b2WheelJointDef*>(def));
+		}
+		break;
+
+	case e_weldJoint:
+		{
+			void* mem = allocator->Allocate(sizeof(b2WeldJoint));
+			joint = new (mem) b2WeldJoint(static_cast<const b2WeldJointDef*>(def));
+		}
+		break;
+        
+	case e_frictionJoint:
+		{
+			void* mem = allocator->Allocate(sizeof(b2FrictionJoint));
+			joint = new (mem) b2FrictionJoint(static_cast<const b2FrictionJointDef*>(def));
+		}
+		break;
+
+	case e_ropeJoint:
+		{
+			void* mem = allocator->Allocate(sizeof(b2RopeJoint));
+			joint = new (mem) b2RopeJoint(static_cast<const b2RopeJointDef*>(def));
+		}
+		break;
+
+	case e_motorJoint:
+		{
+			void* mem = allocator->Allocate(sizeof(b2MotorJoint));
+			joint = new (mem) b2MotorJoint(static_cast<const b2MotorJointDef*>(def));
+		}
+		break;
+
+	default:
+		b2Assert(false);
+		break;
+	}
+
+	return joint;
+}
+
+void b2Joint::Destroy(b2Joint* joint, b2BlockAllocator* allocator)
+{
+	joint->~b2Joint();
+	switch (joint->m_type)
+	{
+	case e_distanceJoint:
+		allocator->Free(joint, sizeof(b2DistanceJoint));
+		break;
+
+	case e_mouseJoint:
+		allocator->Free(joint, sizeof(b2MouseJoint));
+		break;
+
+	case e_prismaticJoint:
+		allocator->Free(joint, sizeof(b2PrismaticJoint));
+		break;
+
+	case e_revoluteJoint:
+		allocator->Free(joint, sizeof(b2RevoluteJoint));
+		break;
+
+	case e_pulleyJoint:
+		allocator->Free(joint, sizeof(b2PulleyJoint));
+		break;
+
+	case e_gearJoint:
+		allocator->Free(joint, sizeof(b2GearJoint));
+		break;
+
+	case e_wheelJoint:
+		allocator->Free(joint, sizeof(b2WheelJoint));
+		break;
+    
+	case e_weldJoint:
+		allocator->Free(joint, sizeof(b2WeldJoint));
+		break;
+
+	case e_frictionJoint:
+		allocator->Free(joint, sizeof(b2FrictionJoint));
+		break;
+
+	case e_ropeJoint:
+		allocator->Free(joint, sizeof(b2RopeJoint));
+		break;
+
+	case e_motorJoint:
+		allocator->Free(joint, sizeof(b2MotorJoint));
+		break;
+
+	default:
+		b2Assert(false);
+		break;
+	}
+}
+
+b2Joint::b2Joint(const b2JointDef* def)
+{
+	b2Assert(def->bodyA != def->bodyB);
+
+	m_type = def->type;
+	m_prev = nullptr;
+	m_next = nullptr;
+	m_bodyA = def->bodyA;
+	m_bodyB = def->bodyB;
+	m_index = 0;
+	m_collideConnected = def->collideConnected;
+	m_islandFlag = false;
+	m_userData = def->userData;
+
+	m_edgeA.joint = nullptr;
+	m_edgeA.other = nullptr;
+	m_edgeA.prev = nullptr;
+	m_edgeA.next = nullptr;
+
+	m_edgeB.joint = nullptr;
+	m_edgeB.other = nullptr;
+	m_edgeB.prev = nullptr;
+	m_edgeB.next = nullptr;
+}
+
+bool b2Joint::IsActive() const
+{
+	return m_bodyA->IsActive() && m_bodyB->IsActive();
+}