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using System;
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using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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using Microsoft.Xna.Framework.Input;
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using Encompass;
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using isometricparkfna.Messages;
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using isometricparkfna.Components;
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namespace isometricparkfna.Engines {
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[Sends( typeof(ZoomCameraMessage),
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typeof(MoveCameraMessage),
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typeof(JumpCameraMessage),
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typeof(ToggleWindowTypeMessage),
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typeof(ToggleWindowMessage), //???
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typeof(ToggleVisibilityMessage),
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typeof(TogglePauseMessage),
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typeof(GameRateMessage),
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typeof(GameStateMessage),
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typeof(QuitGameMessage),
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typeof(SpawnSelection),
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typeof(AdjustSelection))]
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[Reads(typeof(WindowTypeComponent),
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typeof(GameStateComponent),
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typeof(VisibilityComponent))]
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public class InputEngine : Engine
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{
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private KeyboardState keyboardPrev;
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private MouseState mousePrev;
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private GraphicsDevice graphicsDevice;
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private GraphicsDeviceManager gdm;
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private Camera camera;
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//Area to ignore:
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private int menuBarHeight;
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public InputEngine(int menuBarHeight, Camera camera,
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GraphicsDeviceManager gdm) {
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//initialize to blank for now
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this.keyboardPrev = new KeyboardState();
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this.menuBarHeight = menuBarHeight;
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this.camera = camera;
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this.gdm = gdm;
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this.graphicsDevice = gdm.GraphicsDevice;
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}
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public override void Update(double dt) {
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var keyboardCur = Keyboard.GetState();
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var mouseCur = Mouse.GetState();
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var original_point = Vector2.Transform(new Vector2(mouseCur.X, mouseCur.Y),
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Matrix.Invert(this.camera.get_transformation(this.graphicsDevice)));
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bool isPlaying = false;
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var viewWidth = gdm.PreferredBackBufferWidth;
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var viewHeight = gdm.PreferredBackBufferHeight;
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foreach (var entity in ReadEntities<GameStateComponent>())
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{
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var state = GetComponent<GameStateComponent>(entity).isPlaying;
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isPlaying = state;
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}
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if (isPlaying)
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{
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#region camera_movement_keys
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if (keyboardCur.IsKeyDown(Keys.Down))
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{
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SendMessage(new MoveCameraMessage { Movement = new Vector2(0, 2)});
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}
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if (keyboardCur.IsKeyDown(Keys.Up))
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{
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SendMessage(new MoveCameraMessage { Movement = new Vector2(0, -2)});
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}
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if (keyboardCur.IsKeyDown(Keys.Left))
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{
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SendMessage(new MoveCameraMessage { Movement = new Vector2(-2, 0)});
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}
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if (keyboardCur.IsKeyDown(Keys.Right))
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{
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SendMessage(new MoveCameraMessage {Movement = new Vector2(2, 0)});
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}
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if (keyboardCur.IsKeyDown(Keys.Subtract) && keyboardPrev.IsKeyUp(Keys.Subtract))
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{
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SendMessage(new ZoomCameraMessage {ZoomIn = false});
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}
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else if (keyboardCur.IsKeyDown(Keys.Add) && keyboardPrev.IsKeyUp(Keys.Add))
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{
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SendMessage(new ZoomCameraMessage {ZoomIn = true});
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}
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if (keyboardCur.IsKeyDown(Keys.C) && keyboardPrev.IsKeyUp(Keys.C))
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{
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SendMessage(new JumpCameraMessage {Movement = Vector2.Zero });
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}
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#endregion camera_movement_keys
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#region gamerate_keys
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if (keyboardCur.IsKeyDown(Keys.P) && keyboardPrev.IsKeyUp(Keys.P) )
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{
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SendMessage(new TogglePauseMessage());
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}
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if (keyboardCur.IsKeyDown(Keys.D0) && keyboardPrev.IsKeyUp(Keys.D0) )
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{
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SendMessage(new TogglePauseMessage());
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}
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if (keyboardCur.IsKeyDown(Keys.D1) && keyboardPrev.IsKeyUp(Keys.D1) )
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{
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SendMessage(new GameRateMessage {
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paused = false,
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rate = 0
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});
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}
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if (keyboardCur.IsKeyDown(Keys.D2) && keyboardPrev.IsKeyUp(Keys.D2) )
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{
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SendMessage(new GameRateMessage {
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paused = false,
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rate = 1
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});
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}
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if (keyboardCur.IsKeyDown(Keys.D3) && keyboardPrev.IsKeyUp(Keys.D3) )
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{
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SendMessage(new GameRateMessage {
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paused = false,
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rate = 2
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});
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}
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if (keyboardCur.IsKeyDown(Keys.D4) && keyboardPrev.IsKeyUp(Keys.D4) )
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{
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SendMessage(new GameRateMessage {
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paused = false,
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rate = 3
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});
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}
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#if DEBUG
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if (keyboardCur.IsKeyDown(Keys.D5) && keyboardPrev.IsKeyUp(Keys.D5) )
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{
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SendMessage(new GameRateMessage {
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paused = false,
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rate = 4
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});
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}
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#endif
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#endregion gamerate_keys
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#region misc_keys
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if (keyboardCur.IsKeyDown(Keys.B) && keyboardPrev.IsKeyUp(Keys.B))
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{
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SendMessage(new ToggleWindowTypeMessage {Window = Window.Budget});
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}
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if (keyboardCur.IsKeyDown(Keys.F) && keyboardPrev.IsKeyUp(Keys.F))
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{
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SendMessage(new ToggleWindowTypeMessage {Window = Window.Forest});
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}
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if (keyboardCur.IsKeyDown(Keys.N) && keyboardPrev.IsKeyUp(Keys.N))
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{
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SendMessage(new ToggleWindowTypeMessage {Window = Window.News});
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}
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if (keyboardCur.IsKeyDown(Keys.O) && keyboardPrev.IsKeyUp(Keys.O))
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{
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Logging.Trace("Contracts toggled.");
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SendMessage(new ToggleWindowTypeMessage {Window = Window.Contracts});
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}
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if (keyboardCur.IsKeyDown(Keys.G) && keyboardPrev.IsKeyUp(Keys.G))
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{
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SendMessage(new ToggleVisibilityMessage {Element = Element.Grid});
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}
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#if DEBUG
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if (keyboardCur.IsKeyDown(Keys.T) && keyboardPrev.IsKeyUp(Keys.T))
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{
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SendMessage(new ToggleVisibilityMessage {Element = Element.Trees});
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}
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#endif
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if (keyboardCur.IsKeyDown(Keys.Escape) && keyboardPrev.IsKeyUp(Keys.Escape))
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{
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SendMessage(new ToggleWindowTypeMessage {Window = Window.InGameMenu});
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SendMessage(new GameRateMessage { paused = true, rate = null });
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//People will probably expect escape to clear, even though its primary purpose
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//is to open the menu:
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SendMessage(new AdjustSelection {Type = AdjustmentType.Clear });
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}
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//Back => Backspace
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if (keyboardCur.IsKeyDown(Keys.Back) && keyboardPrev.IsKeyUp(Keys.Back)) {
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SendMessage(new AdjustSelection {Type = AdjustmentType.Clear });
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}
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}
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if (keyboardCur.IsKeyDown(Keys.OemBackslash) && keyboardPrev.IsKeyUp(Keys.OemBackslash))
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{
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SendMessage(new ToggleWindowTypeMessage {Window = Window.Debug});
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}
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#if DEBUG
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if (keyboardCur.IsKeyDown(Keys.Q) && keyboardPrev.IsKeyUp(Keys.Q))
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{
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Logging.Info("Quitting");
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SendMessage(new QuitGameMessage {});
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}
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#endif
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if ((keyboardCur.IsKeyDown(Keys.Q) && keyboardPrev.IsKeyUp(Keys.Q))
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&& (keyboardCur.IsKeyDown(Keys.LeftControl)
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|| keyboardCur.IsKeyDown(Keys.RightControl)))
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{
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Logging.Info("Quitting");
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SendMessage(new QuitGameMessage {});
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}
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#endregion misc_keys
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#region mouse_movement
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if (MathUtils.BetweenExclusive(mouseCur.Y, menuBarHeight, 50 + menuBarHeight))
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{
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SendMessage(new MoveCameraMessage {Movement = new Vector2(0, -4)});
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}
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else if (MathUtils.BetweenExclusive(mouseCur.Y, (viewHeight - 50 -menuBarHeight), viewHeight-menuBarHeight))
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{
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SendMessage(new MoveCameraMessage {Movement = new Vector2(0, 4)});
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}
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if (MathUtils.BetweenExclusive(mouseCur.X, 0, 50))
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{
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SendMessage(new MoveCameraMessage {Movement = new Vector2(-4, 0)});
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}
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else if (MathUtils.BetweenExclusive(mouseCur.X, (viewWidth - 50), viewWidth))
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{
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SendMessage(new MoveCameraMessage {Movement = new Vector2(4, 0)});
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}
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#endregion
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#region mouse_click
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if (mouseCur.RightButton == ButtonState.Pressed && mousePrev.RightButton == ButtonState.Released)
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{
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SendMessage(new JumpCameraMessage {Movement = original_point});
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}
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if (mouseCur.LeftButton == ButtonState.Pressed && mousePrev.LeftButton == ButtonState.Released
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// && keyboardCur.IsKeyDown(Keys.LeftShift)
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)
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{
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SendMessage(new SpawnSelection {Start = CellMap.calculateMousegrid(original_point)});
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}
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if ( mouseCur.LeftButton == ButtonState.Released && mousePrev.LeftButton == ButtonState.Pressed )
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{
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SendMessage(new AdjustSelection {Type = AdjustmentType.Complete });
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}
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if (mouseCur.LeftButton == ButtonState.Pressed && mousePrev.LeftButton == ButtonState.Pressed)
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{
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SendMessage(new AdjustSelection { End = CellMap.calculateMousegrid(original_point)});
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}
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#endregion
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this.keyboardPrev = keyboardCur;
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this.mousePrev = mouseCur;
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}
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}
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}
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