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	 18b6bdb563
			
		
	
	
		18b6bdb563
		
	
	
	
	
		
			
			We have 3 demos with pretty similar window logic and quitting behavior on user activity, so centralize that into `Desktop::Screensaver`.
		
			
				
	
	
		
			60 lines
		
	
	
	
		
			1.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			60 lines
		
	
	
	
		
			1.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2022, Jelle Raaijmakers <jelle@gmta.nl>
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #pragma once
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| 
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| #include <AK/FixedArray.h>
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| #include <AK/Vector.h>
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| #include <LibDesktop/Screensaver.h>
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| #include <LibGL/GLContext.h>
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| #include <LibGfx/Vector3.h>
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| 
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| enum class Direction : u8 {
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|     None = 0,
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|     XPositive = 1,
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|     XNegative = 2,
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|     YPositive = 3,
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|     YNegative = 4,
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|     ZPositive = 5,
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|     ZNegative = 6,
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| };
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| 
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| struct Tube {
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|     bool active { true };
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|     DoubleVector3 color;
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|     IntVector3 position;
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|     Direction direction { Direction::None };
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|     IntVector3 target_position { 0, 0, 0 };
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|     double progress_to_target { 0 };
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| };
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| 
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| class Tubes final : public Desktop::Screensaver {
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|     C_OBJECT(Tubes)
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| public:
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|     virtual ~Tubes() override = default;
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| 
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|     ErrorOr<void> create_buffer(Gfx::IntSize);
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|     void reset_tubes();
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|     void setup_view();
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|     void update_tubes();
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| 
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| private:
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|     Tubes(int);
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| 
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|     void choose_new_direction_for_tube(Tube&);
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|     u8 get_grid(IntVector3);
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|     bool is_valid_grid_position(IntVector3);
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|     void set_grid(IntVector3, u8 value);
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| 
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|     virtual void paint_event(GUI::PaintEvent&) override;
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|     virtual void timer_event(Core::TimerEvent&) override;
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| 
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|     RefPtr<Gfx::Bitmap> m_bitmap;
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|     FixedArray<u8> m_grid;
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|     OwnPtr<GL::GLContext> m_gl_context;
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|     u64 m_ticks { 0 };
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|     Vector<Tube> m_tubes;
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| };
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