70 lines
3.2 KiB
C#
70 lines
3.2 KiB
C#
using Microsoft.Xna.Framework.Input;
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using Syntriax.Engine.Core;
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using Syntriax.Engine.Integration.MonoGame;
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using Syntriax.Engine.Systems.Input;
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namespace Pong.Behaviours;
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public class CameraController : Behaviour, IFirstFrameUpdate, IUpdate
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{
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private MonoGameCamera2DBehaviour cameraBehaviour = null!;
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private IButtonInputs<Keys> buttonInputs = null!;
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private float defaultZoomLevel = 1f;
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public void FirstActiveFrame()
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{
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cameraBehaviour = BehaviourController.GetRequiredBehaviour<MonoGameCamera2DBehaviour>();
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buttonInputs = Universe.FindRequiredBehaviour<IButtonInputs<Keys>>();
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buttonInputs.RegisterOnPress(Keys.F, SwitchToFullScreen);
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buttonInputs.RegisterOnPress(Keys.R, ResetCamera);
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}
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public void Update()
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{
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if (buttonInputs.IsPressed(Keys.U))
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cameraBehaviour.Zoom += Universe.Time.DeltaTime * 5f;
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if (buttonInputs.IsPressed(Keys.J))
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cameraBehaviour.Zoom -= Universe.Time.DeltaTime * 5f;
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if (buttonInputs.IsPressed(Keys.NumPad8)) cameraBehaviour.Transform.LocalPosition += Vector2D.Up * Universe.Time.DeltaTime * 500f;
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if (buttonInputs.IsPressed(Keys.NumPad2)) cameraBehaviour.Transform.LocalPosition -= Vector2D.Up * Universe.Time.DeltaTime * 500f;
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if (buttonInputs.IsPressed(Keys.NumPad6)) cameraBehaviour.Transform.LocalPosition += Vector2D.Right * Universe.Time.DeltaTime * 500f;
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if (buttonInputs.IsPressed(Keys.NumPad4)) cameraBehaviour.Transform.LocalPosition -= Vector2D.Right * Universe.Time.DeltaTime * 500f;
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if (buttonInputs.IsPressed(Keys.Q))
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cameraBehaviour.Transform.Rotation += Universe.Time.DeltaTime * 45f;
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if (buttonInputs.IsPressed(Keys.E))
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cameraBehaviour.Transform.Rotation -= Universe.Time.DeltaTime * 45f;
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}
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private void SwitchToFullScreen(IButtonInputs<Keys> sender, IButtonInputs<Keys>.ButtonCallbackArguments args)
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{
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if (cameraBehaviour.Graphics.IsFullScreen)
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return;
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cameraBehaviour.Graphics.PreferMultiSampling = false;
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cameraBehaviour.Graphics.PreferredBackBufferWidth = cameraBehaviour.Graphics.GraphicsDevice.Adapter.CurrentDisplayMode.Width;
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cameraBehaviour.Graphics.PreferredBackBufferHeight = cameraBehaviour.Graphics.GraphicsDevice.Adapter.CurrentDisplayMode.Height;
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cameraBehaviour.Graphics.IsFullScreen = true;
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cameraBehaviour.Graphics.ApplyChanges();
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float previousScreenSize = Math.Sqrt(Math.Sqr(cameraBehaviour.Viewport.Width) + Math.Sqr(cameraBehaviour.Viewport.Height));
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float currentScreenSize = Math.Sqrt(Math.Sqr(cameraBehaviour.Graphics.GraphicsDevice.Viewport.Width) + Math.Sqr(cameraBehaviour.Graphics.GraphicsDevice.Viewport.Height));
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defaultZoomLevel /= previousScreenSize / currentScreenSize;
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cameraBehaviour.Zoom /= previousScreenSize / currentScreenSize;
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cameraBehaviour.Viewport = cameraBehaviour.Graphics.GraphicsDevice.Viewport;
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}
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private void ResetCamera(IButtonInputs<Keys> sender, IButtonInputs<Keys>.ButtonCallbackArguments args)
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{
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cameraBehaviour.Zoom = defaultZoomLevel;
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cameraBehaviour.Transform.LocalPosition = Vector2D.Zero;
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cameraBehaviour.Transform.LocalRotation = 0f;
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}
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}
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