TransferPhysicsToGraphicsMeshBehavior.h

// This file is a part of the OpenSurgSim project.
// Copyright 2013, SimQuest Solutions Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef SURGSIM_BLOCKS_TRANSFERPHYSICSTOGRAPHICSMESHBEHAVIOR_H
#define SURGSIM_BLOCKS_TRANSFERPHYSICSTOGRAPHICSMESHBEHAVIOR_H

#include "SurgSim/DataStructures/TriangleMesh.h"
#include "SurgSim/Framework/Behavior.h"
#include "SurgSim/Framework/Macros.h"

namespace SurgSim
{

namespace Framework
{
class Component;
class Asset;
}

namespace Graphics
{
class MeshRepresentation;
}

namespace Physics
{
class DeformableRepresentation;
}

namespace Blocks
{
SURGSIM_STATIC_REGISTRATION(TransferPhysicsToGraphicsMeshBehavior);

class TransferPhysicsToGraphicsMeshBehavior : public Framework::Behavior
{
public:
    explicit TransferPhysicsToGraphicsMeshBehavior(const std::string& name);

    SURGSIM_CLASSNAME(SurgSim::Blocks::TransferPhysicsToGraphicsMeshBehavior);

    void setSource(const std::shared_ptr<Framework::Component>& source);

    void setTarget(const std::shared_ptr<Framework::Component>& target);

    std::shared_ptr<Physics::DeformableRepresentation> getSource() const;

    std::shared_ptr<Graphics::MeshRepresentation> getTarget() const;

    void setIndexMap(
        const std::shared_ptr<DataStructures::TriangleMeshPlain>& source,
        const std::shared_ptr<DataStructures::TriangleMeshPlain>& target);

    void setIndexMap(const std::string& sourceFile, const std::string& targetFile);

    void setIndexMap(const std::vector<std::pair<size_t, size_t>>& indexMap);

    const std::vector<std::pair<size_t, size_t>> getIndexMap() const;

    void update(double dt) override;

private:
    bool doInitialize() override;
    bool doWakeUp() override;


    void setIndexMap(const std::pair<std::string, std::string>& fileName);

    void setIndexMap(const std::pair<std::shared_ptr<Framework::Asset>, std::shared_ptr<Framework::Asset>>& meshes);

    std::shared_ptr<Physics::DeformableRepresentation> m_source;

    std::shared_ptr<Graphics::MeshRepresentation> m_target;

    std::vector<std::pair<size_t, size_t>> m_indexMap;
};

std::vector<std::pair<size_t, size_t>> generateIndexMap(
                                        const std::shared_ptr<DataStructures::TriangleMeshPlain>& source,
                                        const std::shared_ptr<DataStructures::TriangleMeshPlain>& target);

};  // namespace Blocks
};  // namespace SurgSim

#endif  // SURGSIM_BLOCKS_TRANSFERPHYSICSTOGRAPHICSMESHBEHAVIOR_H