View.h

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// View.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

#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 MR_DllDeclare View
{
public:
    virtual ~View() { }

    // Disable assignment by default; a view should only be bound to the model
    // once at construction time.
    View &operator=(const View&) = delete;

public:
    virtual void OnModelUpdate(int prop) { HR_UNUSED(prop); }

public:
    virtual Vec2 GetScreenPos() const { return { 0, 0 }; }

    virtual Vec2 GetScreenSize() const { return { 0, 0 }; }

    virtual Vec3 Measure() = 0;
    virtual void PrepareRender() = 0;
    virtual void Render() = 0;
};

}  // namespace Display
}  // namespace HoverRace

#undef MR_DllDeclare