multispherecollisionshape.cpp

// © Copyright 2010 - 2016 BlackTopp Studios Inc.
/* This file is part of The Mezzanine Engine.

    The Mezzanine Engine is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with The Mezzanine Engine.  If not, see <http://www.gnu.org/licenses/>.
*/
/* The original authors have included a copy of the license specified above in the
   'Docs' folder. See 'gpl.txt'
*/
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*/
#ifndef _physicsmultispherecollisionshape_cpp
#define _physicsmultispherecollisionshape_cpp

#include "Physics/multispherecollisionshape.h"
#include "collisionshapemanager.h"
#include "stringtool.h"

#include "btBulletDynamicsCommon.h"

namespace Mezzanine
{
    namespace Physics
    {
        /////////////////////////////////////////
        // MultiSphereCollisionShape Functions

        void MultiSphereCollisionShape::Construct(const String& Name, const std::vector<Vector3>& Locations, const std::vector<Real>& Radii)
        {
            if(Locations.size() != Radii.size())
                { MEZZ_EXCEPTION(ExceptionBase::PARAMETERS_EXCEPTION,"Vector size mismatch between Locations and Radii in MultiSphereCollisionShape constructor."); }
            Whole Spheres = Locations.size();
            btVector3* BulletLocs = new btVector3[Spheres];
            btScalar* BulletRadii = new btScalar[Spheres];
            for( Whole X = 0 ; X < Spheres ; X++ )
            {
                BulletLocs[X] = Locations[X].GetBulletVector3();
                BulletRadii[X] = Radii[X];
            }

            Construct(Name,new btMultiSphereShape(BulletLocs,BulletRadii,Spheres));

            delete[] BulletLocs;
            delete[] BulletRadii;
        }

        void MultiSphereCollisionShape::Construct(const String& Name, btMultiSphereShape* BulletShape)
        {
            this->Name = Name;
            SetPointers(BulletShape);
            this->GetMultiSphereShape()->setImplicitShapeDimensions(Vector3(0,0,0).GetBulletVector3());
        }


        MultiSphereCollisionShape::MultiSphereCollisionShape(const String& Name, const std::vector<Vector3>& Locations, const std::vector<Real>& Radii)
        {
            Construct(Name,Locations,Radii);
        }

        MultiSphereCollisionShape::MultiSphereCollisionShape(const String& Name, btMultiSphereShape* BulletShape)
        {
            this->Name = Name;
            SetPointers(BulletShape);
        }

        MultiSphereCollisionShape::MultiSphereCollisionShape(XML::Node OneNode)
        {
            if(OneNode.GetAttribute("Version").AsInt() == 1)
            {
                XML::Attribute OneName = OneNode.GetChild("PrimitiveCollisionShape").GetChild("CollisionShape").GetAttribute("Name");               // get name
                if(!OneName) { MEZZ_EXCEPTION(ExceptionBase::PARAMETERS_EXCEPTION,"Could not find Name Attribute on CollsionShape Node during preparation for deserialization"); }

                XML::Node Spheres = OneNode.GetChild("Spheres");
                if(!Spheres)
                    { DeSerializeError("locate Spheres node",GetSerializableName()); }

                std::vector<Vector3> Locations;
                std::vector<Real> Radii;
                XML::Node OneSphere = Spheres.GetFirstChild();
                while (OneSphere)
                {
                    Locations.push_back(Vector3(OneSphere.GetFirstChild()));
                    Radii.push_back(OneSphere.GetFirstAttribute().AsReal());

                    OneSphere = OneSphere.GetNextSibling();
                }

                Construct(OneName.AsString(),Locations,Radii);

                this->ProtoDeSerialize(OneNode);
            }else{
                DeSerializeError("find usable serialization version",MultiSphereCollisionShape::GetSerializableName());
            }
        }

        MultiSphereCollisionShape::~MultiSphereCollisionShape()
        {
            delete GetMultiSphereShape();
        }

        Vector3 MultiSphereCollisionShape::GetSphereLocation(const Whole& Index) const
        {
            Vector3 Loc(GetMultiSphereShape()->getSpherePosition(Index));
            return Loc;
        }

        Real MultiSphereCollisionShape::GetSphereRadius(const Whole& Index) const
        {
            return GetMultiSphereShape()->getSphereRadius(Index);
        }

        Whole MultiSphereCollisionShape::GetNumSpheres() const
        {
            return GetMultiSphereShape()->getSphereCount();
        }

        CollisionShape::ShapeType MultiSphereCollisionShape::GetType() const
        {
            return CollisionShape::ST_MultiSphere;
        }

        btMultiSphereShape* MultiSphereCollisionShape::GetMultiSphereShape() const
            { return static_cast<btMultiSphereShape*>(ShapeBase); }

        void MultiSphereCollisionShape::ProtoSerialize(XML::Node& CurrentRoot) const
        {
            XML::Node CollisionNode = CurrentRoot.AppendChild(this->MultiSphereCollisionShape::GetSerializableName());
            if (!CollisionNode) { SerializeError("create CollisionNode",this->MultiSphereCollisionShape::GetSerializableName());}

            XML::Attribute Version = CollisionNode.AppendAttribute("Version");
            if (Version)
                { Version.SetValue(1); }
            else
                { SerializeError("Create Version Attribute", GetSerializableName()); }

            XML::Node PointsNode = CollisionNode.AppendChild("Spheres");
            if (!PointsNode) { SerializeError("create Spheres",this->MultiSphereCollisionShape::GetSerializableName());}

            for(Whole c=0; c<this->GetNumSpheres(); ++c)
            {
                XML::Node Sphere = PointsNode.AppendChild("Sphere");
                if (!Sphere) { SerializeError(String("create Sphere ")+ToString(c),this->MultiSphereCollisionShape::GetSerializableName());}

                XML::Attribute Radius = Sphere.AppendAttribute("Radius");
                if (!Radius) { SerializeError(String("Append readius to Sphere ")+ToString(c),this->MultiSphereCollisionShape::GetSerializableName());}
                Radius.SetValue( this->GetSphereRadius(c) );

                this->GetSphereLocation(c).ProtoSerialize(Sphere);
            }

            this->PrimitiveCollisionShape::ProtoSerialize(CollisionNode);
        }

        void MultiSphereCollisionShape::ProtoDeSerialize(const XML::Node& OneNode)
        {
            if ( Mezzanine::String(OneNode.Name())==this->MultiSphereCollisionShape::GetSerializableName() )
            {
                if(OneNode.GetAttribute("Version").AsInt() == 1)
                {
                    XML::Node CollisionNode = OneNode.GetChild(this->PrimitiveCollisionShape::GetSerializableName());
                    if(!CollisionNode)
                        { DeSerializeError("locate PrimitiveCollisionShape node",GetSerializableName()); }
                    this->PrimitiveCollisionShape::ProtoDeSerialize(CollisionNode);

                }else{
                    DeSerializeError("find usable serialization version",GetSerializableName());
                }
            }else{
                DeSerializeError(String("find correct class to deserialize, found a ")+OneNode.Name(),GetSerializableName());
            }
        }

        String MultiSphereCollisionShape::GetSerializableName()
            {   return String("MultiSphereCollisionShape"); }
    }//Physics
}//Mezzanine

std::ostream& operator << (std::ostream& stream, const Mezzanine::Physics::MultiSphereCollisionShape& ShapeToSerialize)
    { Mezzanine::Serialize(stream, ShapeToSerialize); return stream; }

std::istream& operator >> (std::istream& stream, Mezzanine::Physics::MultiSphereCollisionShape& x)
    { return Mezzanine::DeSerialize(stream, x); }

void operator >> (const Mezzanine::XML::Node& OneNode, Mezzanine::Physics::MultiSphereCollisionShape& x)
    { x.ProtoDeSerialize(OneNode); }

#endif