layer.h

#pragma once
 
#include "pixelbullet/core/event.h"
#include "pixelbullet/time/duration.h"
 
#include <string>
 
namespace pixelbullet
{
enum class EventPhase
{
    Early,
    Normal
};
 
class UiFrameLayer
{
public:
    virtual ~UiFrameLayer() = default;
 
    virtual bool BeginUiFrame() = 0;
    virtual void CancelUiFrame() = 0;
};
 
class Layer
{
public:
    explicit Layer(const std::string& name = "layer");
    virtual ~Layer() = default;
 
    virtual void OnAttach()
    {
    }
    virtual void OnDetach()
    {
    }
    virtual void OnUpdate([[maybe_unused]] Duration ts)
    {
    }
    virtual void OnUiFrame()
    {
    }
    virtual pixelbullet::core::EventResult OnEvent([[maybe_unused]] pixelbullet::core::Event& event)
    {
        return pixelbullet::core::EventResult::Ignored;
    }
    virtual EventPhase GetEventPhase() const
    {
        return EventPhase::Normal;
    }
 
    const std::string& GetName() const
    {
        return debug_name_;
    }
 
protected:
    std::string debug_name_;
};
} // namespace pixelbullet