NavigationGraphDebuggingService.h

// Copyright eeGeo Ltd (2012-2014), All Rights Reserved

#pragma once

#include "Types.h"
#include "Navigation.h"
#include "Rendering.h"
#include "Camera.h"
#include "NavigationGraphAddedCallback.h"
#include "NavigationGraphRemovalCallback.h"
#include "DebugNavigationGraphMesh.h"
#include "DebugRendering.h"
#include "Graphs.h"

#include <vector>

namespace Eegeo
{
    namespace Resources
    {
        namespace Roads
        {
            namespace Navigation
            {
                class NavigationGraphDebuggingService : public Eegeo::NonCopyable
                {
                public:
                    enum Mode
                    {
                        Disabled,
                        NavGraph,
                        TiledGraph,
                        MAX_MODES
                    };
                private:

                    struct GraphAndMetadata
                    {
                        const NavigationGraph* graph;
                        int previousNumConnections;
                        DebugNavigationGraphMesh* debugNavGraphMesh;
                    };
                    
                    DebugRendering::DebugRenderer& m_debugRenderer;
                    NavigationGraphRepository& m_navGraphRepo;
                    
                    Mode m_mode;
                    std::vector<GraphAndMetadata> m_graphs;
                    
                    DebugNavigationGraphMeshConfig m_config;
                    
                    TNavigationGraphAddedCallback<NavigationGraphDebuggingService> m_addedCallback;
                    TNavigationGraphRemovalCallback<NavigationGraphDebuggingService> m_removalCallback;
                    
                    void HandleNavGraphAdded(const NavigationGraph& navGraph);
                    void HandleNavGraphRemoved(const NavigationGraph& navGraph);
                    void BuildDebugNavigationGraphMeshVisualisation(GraphAndMetadata& graphAndMetadata, Eegeo::Rendering::GLState& glState);
                    void SetConfig(const DebugNavigationGraphMeshConfig& config) { m_config = config; }

                    void DrawTiledGraph(const Rendering::RenderContext& renderContext, const Graphs::TiledGraphCell& tiledGraphCell, const NavigationGraph& navGraph);

                public:
                    NavigationGraphDebuggingService(
                        DebugRendering::DebugRenderer& debugRenderer,
                        NavigationGraphRepository& navGraphRepo,
                        const DebugNavigationGraphMeshConfig& config);

                    virtual ~NavigationGraphDebuggingService();
                    
                    void CycleMode();

                    Mode GetMode() const { return m_mode; }
                    
                    void Draw(const Rendering::RenderContext& renderContext, Eegeo::Rendering::GLState& glState);
                };
            }
        }
    }
}