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refactor: Camera Controller

This commit is contained in:
Syntriax 2024-01-30 12:23:45 +03:00
parent 958a75552f
commit a9c7b8b660
3 changed files with 71 additions and 64 deletions
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55
Game/Behaviours/CameraController.cs Normal file
View File

@ -0,0 +1,55 @@
using Microsoft.Xna.Framework.Input;
using Syntriax.Engine.Core;
using Syntriax.Engine.Input;
namespace Pong.Behaviours;
public class CameraController : BehaviourOverride
{
private MonoGameCameraBehaviour cameraBehaviour = null!;
private IButtonInputs<Keys> buttonInputs = null!;
protected override void OnFirstActiveFrame()
{
if (BehaviourController.TryGetBehaviour(out MonoGameCameraBehaviour? foundCameraBehaviour))
cameraBehaviour = foundCameraBehaviour;
cameraBehaviour ??= BehaviourController.AddBehaviour<MonoGameCameraBehaviour>();
if (BehaviourController.TryGetBehaviour(out IButtonInputs<Keys>? foundButtonInputs))
buttonInputs = foundButtonInputs;
buttonInputs ??= BehaviourController.AddBehaviour<KeyboardInputsBehaviour>();
buttonInputs.RegisterOnPress(Keys.F, SwitchToFullScreen);
}
protected override void OnUpdate()
{
if (buttonInputs.IsPressed(Keys.U))
cameraBehaviour.Zoom += Time.Elapsed.Nanoseconds * 0.00025f;
if (buttonInputs.IsPressed(Keys.J))
cameraBehaviour.Zoom -= Time.Elapsed.Nanoseconds * 0.00025f;
if (buttonInputs.IsPressed(Keys.Q))
cameraBehaviour.BehaviourController.GameObject.Transform.Rotation += Time.Elapsed.Nanoseconds * 0.000025f;
if (buttonInputs.IsPressed(Keys.E))
cameraBehaviour.BehaviourController.GameObject.Transform.Rotation -= Time.Elapsed.Nanoseconds * 0.000025f;
}
private void SwitchToFullScreen(IButtonInputs<Keys> inputs, Keys keys)
{
if (Game1.graphics.IsFullScreen)
return;
Game1.graphics.PreferMultiSampling = false;
Game1.graphics.PreferredBackBufferWidth = Game1.graphics.GraphicsDevice.Adapter.CurrentDisplayMode.Width;
Game1.graphics.PreferredBackBufferHeight = Game1.graphics.GraphicsDevice.Adapter.CurrentDisplayMode.Height;
Game1.graphics.IsFullScreen = true;
Game1.graphics.ApplyChanges();
float previousScreenSize = Math.Sqrt(Math.Pow(cameraBehaviour.Viewport.Width, 2f) + Math.Pow(cameraBehaviour.Viewport.Height, 2f));
float currentScreenSize = Math.Sqrt(Math.Pow(Game1.graphics.GraphicsDevice.Viewport.Width, 2f) + Math.Pow(Game1.graphics.GraphicsDevice.Viewport.Height, 2f));
cameraBehaviour.Zoom /= previousScreenSize / currentScreenSize;
cameraBehaviour.Viewport = Game1.graphics.GraphicsDevice.Viewport;
}
}

20
Game/Behaviours/MonoGameCameraBehaviour.cs
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@ -1,17 +1,12 @@
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using Syntriax.Engine.Core;
using Syntriax.Engine.Core.Abstract;
namespace Pong.Behaviours;
public class MonoGameCameraBehaviour : BehaviourOverride
{
public System.Action<MonoGameCameraBehaviour>? OnPositionChanged { get; set; } = null;
public System.Action<MonoGameCameraBehaviour>? OnMatrixTransformChanged { get; set; } = null;
public System.Action<MonoGameCameraBehaviour>? OnViewportChanged { get; set; } = null;
public System.Action<MonoGameCameraBehaviour>? OnRotationChanged { get; set; } = null;
public System.Action<MonoGameCameraBehaviour>? OnZoomChanged { get; set; } = null;
private Matrix _matrixTransform = Matrix.Identity;
@ -81,19 +76,4 @@ public class MonoGameCameraBehaviour : BehaviourOverride
Matrix.CreateScale(Zoom) *
Matrix.CreateTranslation(new Vector3(_viewport.Width * .5f, _viewport.Height * .5f, 0f));
}
protected override void OnInitialize()
{
Transform.OnRotationChanged += OnTransformRotationChanged;
Transform.OnPositionChanged += OnTransformPositionChanged;
}
protected override void OnFinalize()
{
Transform.OnRotationChanged -= OnTransformRotationChanged;
Transform.OnPositionChanged -= OnTransformPositionChanged;
}
private void OnTransformRotationChanged(ITransform _) => OnRotationChanged?.Invoke(this);
private void OnTransformPositionChanged(ITransform _) => OnPositionChanged?.Invoke(this);
}

60
Game/Game1.cs
View File

@ -16,12 +16,12 @@ namespace Pong;
public class Game1 : Game
{
private GraphicsDeviceManager _graphics = null!;
private IPhysicsEngine2D engine = null!;
private SpriteBatch _spriteBatch = null!;
private ShapeBatch _shapeBatch = null!;
public static GraphicsDeviceManager graphics = null!;
public static IPhysicsEngine2D engine = null!;
public static SpriteBatch spriteBatch = null!;
public static ShapeBatch shapeBatch = null!;
public static GameManager gameManager = null!;
public static Sprite spriteBox = null!;
private MonoGameCameraBehaviour cameraBehaviour = null!;
private PongScoreboard pongScoreboard;
@ -32,7 +32,7 @@ public class Game1 : Game
IterationCount = 3
};
_graphics = new GraphicsDeviceManager(this)
graphics = new GraphicsDeviceManager(this)
{
PreferredBackBufferWidth = 1024,
PreferredBackBufferHeight = 576,
@ -55,17 +55,16 @@ public class Game1 : Game
protected override void LoadContent()
{
_spriteBatch = new SpriteBatch(GraphicsDevice);
_shapeBatch = new ShapeBatch(GraphicsDevice, Content);
spriteBatch = new SpriteBatch(GraphicsDevice);
shapeBatch = new ShapeBatch(GraphicsDevice, Content);
SpriteFont spriteFont = Content.Load<SpriteFont>("UbuntuMono");
// spriteBox = new Sprite() { Texture2D = Content.Load<Texture2D>("Sprites/Pixel") };
// Sprite spriteBall = new Sprite() { Texture2D = Content.Load<Texture2D>("Sprites/Circle") };
IGameObject gameObjectCamera = gameManager.InstantiateGameObject<GameObject>();
gameObjectCamera.Name = "Camera";
gameObjectCamera.Transform.Position = Vector2D.Zero;
gameObjectCamera.BehaviourController.AddBehaviour<CameraController>();
cameraBehaviour = gameObjectCamera.BehaviourController.AddBehaviour<MonoGameCameraBehaviour>();
cameraBehaviour.Viewport = GraphicsDevice.Viewport;
@ -193,33 +192,6 @@ public class Game1 : Game
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
Exit();
if (Keyboard.GetState().IsKeyDown(Keys.F))
{
if (_graphics.IsFullScreen)
return;
_graphics.PreferMultiSampling = false;
_graphics.PreferredBackBufferWidth = GraphicsDevice.Adapter.CurrentDisplayMode.Width;
_graphics.PreferredBackBufferHeight = GraphicsDevice.Adapter.CurrentDisplayMode.Height;
_graphics.IsFullScreen = true;
_graphics.ApplyChanges();
float previousScreenSize = MathF.Sqrt(MathF.Pow(cameraBehaviour.Viewport.Width, 2f) + MathF.Pow(cameraBehaviour.Viewport.Height, 2f));
float currentScreenSize = MathF.Sqrt(MathF.Pow(GraphicsDevice.Viewport.Width, 2f) + MathF.Pow(GraphicsDevice.Viewport.Height, 2f));
cameraBehaviour.Zoom /= previousScreenSize / currentScreenSize;
cameraBehaviour.Viewport = GraphicsDevice.Viewport;
}
if (Keyboard.GetState().IsKeyDown(Keys.U))
cameraBehaviour.Zoom += gameTime.ElapsedGameTime.Nanoseconds * 0.00025f;
if (Keyboard.GetState().IsKeyDown(Keys.J))
cameraBehaviour.Zoom -= gameTime.ElapsedGameTime.Nanoseconds * 0.00025f;
if (Keyboard.GetState().IsKeyDown(Keys.Q))
cameraBehaviour.BehaviourController.GameObject.Transform.Rotation += gameTime.ElapsedGameTime.Nanoseconds * 0.000025f;
if (Keyboard.GetState().IsKeyDown(Keys.E))
cameraBehaviour.BehaviourController.GameObject.Transform.Rotation -= gameTime.ElapsedGameTime.Nanoseconds * 0.000025f;
if (Keyboard.GetState().IsKeyDown(Keys.Space))
pongScoreboard.Reset();
@ -243,17 +215,17 @@ public class Game1 : Game
// TODO: Add your drawing code here
gameManager.PreDraw();
_spriteBatch.Begin(SpriteSortMode.Deferred, transformMatrix: cameraBehaviour.MatrixTransform);
spriteBatch.Begin(SpriteSortMode.Deferred, transformMatrix: cameraBehaviour.MatrixTransform);
foreach (IGameObject gameObject in gameManager)
foreach (var displayable in gameObject.BehaviourController.GetBehaviours<IDisplayable>())
displayable.Draw(_spriteBatch);
_spriteBatch.End();
displayable.Draw(spriteBatch);
spriteBatch.End();
_shapeBatch.Begin(cameraBehaviour.MatrixTransform);
shapeBatch.Begin(cameraBehaviour.MatrixTransform);
foreach (IGameObject gameObject in gameManager)
foreach (var displayableShape in gameObject.BehaviourController.GetBehaviours<IDisplayableShape>())
displayableShape.Draw(_shapeBatch);
_shapeBatch.End();
displayableShape.Draw(shapeBatch);
shapeBatch.End();
base.Draw(gameTime);
}