DebugTextRendererEcef.h

// Copyright (c) 2014 eeGeo. All rights reserved.

#pragma once

#include "VectorMath.h"
#include "Fonts.h"
#include "Rendering.h"
#include "Streaming.h"
#include "DynamicBuffer.h"
#include "AllVertexTypes.h"
#include "Camera.h"
#include "IMaterial.h"
#include "BatchedTextRenderable.h"
#include "IRenderableFilter.h"

#include <string>
#include <deque>


namespace Eegeo
{
    namespace DebugRendering
    {
        namespace Renderers
        {
            class DebugTextRendererEcef : private Eegeo::NonCopyable
            {
                struct DebugTextEcef
                {
                    dv3 Origin;
                    v4 Color;
                    std::string Text;
                    float Size;
                    float Lifetime;
                };

            public:
                DebugTextRendererEcef(Text::IScreenTextRenderer& screenTextRenderer,
                                      const Fonts::FontInstance& fontInstance,
                                      const Text::BatchedTextAppearance& defaultTextAppearance);

                ~DebugTextRendererEcef();

                void DrawText(
                        const dv3& ecefCenter,
                        const std::string text,
                        const float size,
                        const float lifetime = 0.0f
                );

                void Update(float dt, const Camera::RenderCamera& renderCamera);
                
                void GenerateGeometry(const Camera::RenderCamera& renderCamera);
                
                void SetDepthEnabled(const bool depthEnabled);

            private:
                
                void GenerateGeometryForSingleInstance(const DebugTextEcef& data, const Camera::RenderCamera& renderCamera);

                Text::IScreenTextRenderer& m_screenTextRenderer;

                const Fonts::FontInstance& m_fontInstance;

                const Text::BatchedTextAppearance m_defaultTextAppearance;

                bool m_depthTest;
                std::deque<DebugTextEcef> m_drawData;
            };
        }
    }
}