Speedometer.h

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// Speedometer.h
//
// Copyright (c) 2013-2015 Michael Imamura.
//
// Licensed under GrokkSoft HoverRace SourceCode License v1.0(the "License");
// you may not use this file except in compliance with the License.
//
// A copy of the license should have been attached to the package from which
// you have taken this file. If you can not find the license you can not use
// this file.
//
//
// The author makes no representations about the suitability of
// this software for any purpose.  It is provided "as is" "AS IS",
// 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.

#pragma once

#include "HudDecor.h"

#if defined(_WIN32) && defined(HR_ENGINE_SHARED)
#   ifdef MR_ENGINE
#       define MR_DllDeclare   __declspec( dllexport )
#   else
#       define MR_DllDeclare   __declspec( dllimport )
#   endif
#else
#   define MR_DllDeclare
#endif

namespace HoverRace {
    namespace Display {
        class Display;
        class FillBox;
    }
}

namespace HoverRace {
namespace Display {

class MR_DllDeclare Speedometer : public HudDecor
{
    using SUPER = HudDecor;

public:
    Speedometer(Display &display);
    virtual ~Speedometer() { }

protected:
    void OnHudRescaled(const Vec2 &hudScale) override;

public:
    void Advance(Util::OS::timestamp_t tick) override;

private:
    Vec2 gaugeSize;

    // Absolute speed.
    std::shared_ptr<FillBox> absBg;
    std::shared_ptr<FillBox> absFg;
    // Directional speed.
    std::shared_ptr<FillBox> dirBg;
    std::shared_ptr<FillBox> dirFg;
};

}  // namespace Display
}  // namespace HoverRace

#undef MR_DllDeclare