mirror of
https://github.com/ClassiCube/ClassiCube.git
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307 lines
9.6 KiB
C#
307 lines
9.6 KiB
C#
// ClassicalSharp copyright 2014-2016 UnknownShadow200 | Licensed under MIT
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using System;
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using ClassicalSharp.Entities;
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using ClassicalSharp.Gui.Screens;
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using ClassicalSharp.Hotkeys;
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using OpenTK;
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using OpenTK.Input;
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namespace ClassicalSharp {
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public sealed class InputHandler {
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#if !ANDROID
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public HotkeyList Hotkeys;
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#endif
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Game game;
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bool[] buttonsDown = new bool[3];
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PickingHandler picking;
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public InputHandler( Game game ) {
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this.game = game;
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RegisterInputHandlers();
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Keys = new KeyMap();
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picking = new PickingHandler( game, this );
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#if !ANDROID
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Hotkeys = new HotkeyList();
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Hotkeys.LoadSavedHotkeys();
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#endif
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}
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void RegisterInputHandlers() {
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game.Keyboard.KeyDown += KeyDownHandler;
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game.Keyboard.KeyUp += KeyUpHandler;
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game.window.KeyPress += KeyPressHandler;
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game.Mouse.WheelChanged += MouseWheelChanged;
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game.Mouse.Move += MouseMove;
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game.Mouse.ButtonDown += MouseButtonDown;
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game.Mouse.ButtonUp += MouseButtonUp;
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}
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public KeyMap Keys;
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public bool IsKeyDown( Key key ) {
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return game.Keyboard[key];
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}
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/// <summary> Returns whether the key associated with the given key binding is currently held down. </summary>
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public bool IsKeyDown( KeyBind binding ) {
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Key key = Keys[binding];
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return game.Keyboard[key];
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}
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public bool IsMousePressed( MouseButton button ) {
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bool down = game.Mouse[button];
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if( down ) return true;
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// Key --> mouse mappings
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if( button == MouseButton.Left && IsKeyDown( KeyBind.MouseLeft ) ) return true;
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if( button == MouseButton.Middle && IsKeyDown( KeyBind.MouseMiddle ) ) return true;
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if( button == MouseButton.Right && IsKeyDown( KeyBind.MouseRight ) ) return true;
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return false;
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}
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public void PickBlocks( bool cooldown, bool left, bool middle, bool right ) {
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picking.PickBlocks( cooldown, left, middle, right );
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}
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internal void ButtonStateChanged( MouseButton button, bool pressed, byte targetId ) {
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if( buttonsDown[(int)button] ) {
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game.Server.SendPlayerClick( button, false, targetId, game.SelectedPos );
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buttonsDown[(int)button] = false;
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}
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if( pressed ) {
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game.Server.SendPlayerClick( button, true, targetId, game.SelectedPos );
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buttonsDown[(int)button] = true;
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}
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}
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internal void ScreenChanged( Screen oldScreen, Screen newScreen ) {
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if( oldScreen != null && oldScreen.HandlesAllInput )
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picking.lastClick = DateTime.UtcNow;
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if( game.Server.UsingPlayerClick ) {
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byte targetId = game.Entities.GetClosetPlayer( game.LocalPlayer );
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ButtonStateChanged( MouseButton.Left, false, targetId );
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ButtonStateChanged( MouseButton.Right, false, targetId );
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ButtonStateChanged( MouseButton.Middle, false, targetId );
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}
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}
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#region Event handlers
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void MouseButtonUp( object sender, MouseButtonEventArgs e ) {
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if( !game.Gui.ActiveScreen.HandlesMouseUp( e.X, e.Y, e.Button ) ) {
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if( game.Server.UsingPlayerClick && e.Button <= MouseButton.Middle ) {
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byte targetId = game.Entities.GetClosetPlayer( game.LocalPlayer );
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ButtonStateChanged( e.Button, false, targetId );
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}
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}
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}
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void MouseButtonDown( object sender, MouseButtonEventArgs e ) {
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if( !game.Gui.ActiveScreen.HandlesMouseClick( e.X, e.Y, e.Button ) ) {
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bool left = e.Button == MouseButton.Left;
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bool middle = e.Button == MouseButton.Middle;
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bool right = e.Button == MouseButton.Right;
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PickBlocks( false, left, middle, right );
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} else {
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picking.lastClick = DateTime.UtcNow;
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}
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}
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void MouseMove( object sender, MouseMoveEventArgs e ) {
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if( !game.Gui.ActiveScreen.HandlesMouseMove( e.X, e.Y ) ) {
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}
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}
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float deltaAcc = 0;
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void MouseWheelChanged( object sender, MouseWheelEventArgs e ) {
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if( game.Gui.ActiveScreen.HandlesMouseScroll( e.Delta ) ) return;
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Inventory inv = game.Inventory;
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bool hotbar = IsKeyDown( Key.AltLeft ) || IsKeyDown( Key.AltRight );
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if( (!hotbar && game.Camera.DoZoom( e.DeltaPrecise )) || DoFovZoom( e.DeltaPrecise )
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|| !inv.CanChangeHeldBlock )
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return;
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ScrollHotbar( e.DeltaPrecise );
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}
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void ScrollHotbar( float deltaPrecise ) {
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// Some mice may use deltas of say (0.2, 0.2, 0.2, 0.2, 0.2)
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// We must use rounding at final step, not at every intermediate step.
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Inventory inv = game.Inventory;
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deltaAcc += deltaPrecise;
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int delta = (int)deltaAcc;
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deltaAcc -= delta;
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int diff = -delta % inv.Hotbar.Length;
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int newIndex = inv.HeldBlockIndex + diff;
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if( newIndex < 0 ) newIndex += inv.Hotbar.Length;
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if( newIndex >= inv.Hotbar.Length ) newIndex -= inv.Hotbar.Length;
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inv.HeldBlockIndex = newIndex;
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}
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void KeyPressHandler( object sender, KeyPressEventArgs e ) {
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char key = e.KeyChar;
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if( !game.Gui.ActiveScreen.HandlesKeyPress( key ) ) {
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}
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}
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void KeyUpHandler( object sender, KeyboardKeyEventArgs e ) {
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Key key = e.Key;
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if( SimulateMouse( key, false ) ) return;
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if( !game.Gui.ActiveScreen.HandlesKeyUp( key ) ) {
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if( key == Keys[KeyBind.ZoomScrolling] )
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SetFOV( game.DefaultFov, false );
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}
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}
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static int[] viewDistances = { 16, 32, 64, 128, 256, 512, 1024, 2048, 4096 };
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Key lastKey;
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void KeyDownHandler( object sender, KeyboardKeyEventArgs e ) {
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Key key = e.Key;
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if( SimulateMouse( key, true ) ) return;
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if( IsShutdown( key ) ) {
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game.Exit();
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} else if( key == Keys[KeyBind.Screenshot] ) {
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game.screenshotRequested = true;
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} else if( !game.Gui.ActiveScreen.HandlesKeyDown( key ) ) {
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if( !HandleBuiltinKey( key ) && !game.LocalPlayer.input.Handles( key ) )
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HandleHotkey( key );
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}
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lastKey = key;
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}
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bool IsShutdown( Key key ) {
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if( key == Key.F4 && (lastKey == Key.AltLeft || lastKey == Key.AltRight) )
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return true;
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// On OSX, Cmd+Q should also terminate the process.
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if( !OpenTK.Configuration.RunningOnMacOS ) return false;
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return key == Key.Q && (lastKey == Key.WinLeft || lastKey == Key.WinRight);
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}
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void HandleHotkey( Key key ) {
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string text;
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bool more;
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if( !Hotkeys.IsHotkey( key, game.Keyboard, out text, out more ) ) return;
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if( !more ) {
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game.Server.SendChat( text, false );
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} else if( game.Gui.activeScreen == null ) {
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game.Gui.hudScreen.OpenTextInputBar( text );
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}
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}
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MouseButtonEventArgs simArgs = new MouseButtonEventArgs();
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bool SimulateMouse( Key key, bool pressed ) {
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Key left = Keys[KeyBind.MouseLeft], middle = Keys[KeyBind.MouseMiddle],
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right = Keys[KeyBind.MouseRight];
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if( !(key == left || key == middle || key == right ) )
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return false;
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simArgs.Button = key == left ? MouseButton.Left :
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key == middle ? MouseButton.Middle : MouseButton.Right;
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simArgs.X = game.Mouse.X;
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simArgs.Y = game.Mouse.Y;
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simArgs.IsPressed = pressed;
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if( pressed ) MouseButtonDown( null, simArgs );
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else MouseButtonUp( null, simArgs );
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return true;
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}
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bool HandleBuiltinKey( Key key ) {
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if( key == Keys[KeyBind.HideGui] ) {
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game.HideGui = !game.HideGui;
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} else if( key == Keys[KeyBind.HideFps] ) {
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game.ShowFPS = !game.ShowFPS;
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} else if( key == Keys[KeyBind.Fullscreen] ) {
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WindowState state = game.window.WindowState;
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if( state != WindowState.Minimized ) {
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game.window.WindowState = state == WindowState.Fullscreen ?
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WindowState.Normal : WindowState.Fullscreen;
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}
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} else if( key == Keys[KeyBind.AxisLines] ) {
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ToggleAxisLines();
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} else if( key == Keys[KeyBind.ThirdPerson] ) {
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game.CycleCamera();
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} else if( key == Keys[KeyBind.ToggleFog] ) {
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if( game.IsKeyDown( Key.ShiftLeft ) || game.IsKeyDown( Key.ShiftRight ) ) {
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CycleDistanceBackwards();
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} else {
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CycleDistanceForwards();
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}
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} else if( key == Keys[KeyBind.PauseOrExit] && !game.World.IsNotLoaded ) {
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game.Gui.SetNewScreen( new PauseScreen( game ) );
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} else if( key == Keys[KeyBind.Inventory] ) {
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game.Gui.SetNewScreen( new InventoryScreen( game ) );
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} else if( key == Key.F9 ) {
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game.ShowClock = !game.ShowClock;
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} else {
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return false;
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}
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return true;
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}
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void ToggleAxisLines() {
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game.ShowAxisLines = !game.ShowAxisLines;
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Key key = Keys[KeyBind.AxisLines];
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if( game.ShowAxisLines ) {
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game.Chat.Add( " &eAxis lines (&4X&e, &2Y&e, &1Z&e) now show. Press &a" + key + " &eto disable." );
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} else {
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game.Chat.Add( " &eAxis lines no longer show. Press &a" + key + " &eto re-enable." );
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}
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}
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void CycleDistanceForwards() {
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for( int i = 0; i < viewDistances.Length; i++ ) {
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int dist = viewDistances[i];
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if( dist > game.UserViewDistance ) {
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game.SetViewDistance( dist, true ); return;
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}
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}
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game.SetViewDistance( viewDistances[0], true );
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}
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void CycleDistanceBackwards() {
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for( int i = viewDistances.Length - 1; i >= 0; i-- ) {
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int dist = viewDistances[i];
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if( dist < game.UserViewDistance ) {
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game.SetViewDistance( dist, true ); return;
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}
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}
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game.SetViewDistance( viewDistances[viewDistances.Length - 1], true );
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}
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float fovIndex = -1;
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bool DoFovZoom( float deltaPrecise ) {
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if( !game.IsKeyDown( KeyBind.ZoomScrolling ) ) return false;
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LocalPlayer p = game.LocalPlayer;
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if( !p.Hacks.Enabled || !p.Hacks.CanAnyHacks || !p.Hacks.CanUseThirdPersonCamera )
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return false;
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if( fovIndex == -1 ) fovIndex = game.ZoomFov;
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fovIndex -= deltaPrecise * 5;
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Utils.Clamp( ref fovIndex, 1, game.DefaultFov );
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return SetFOV( (int)fovIndex, true );
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}
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public bool SetFOV( int fov, bool setZoom ) {
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LocalPlayer p = game.LocalPlayer;
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if( game.Fov == fov ) return true;
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if( !p.Hacks.Enabled || !p.Hacks.CanAnyHacks || !p.Hacks.CanUseThirdPersonCamera )
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return false;
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game.Fov = fov;
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if( setZoom ) game.ZoomFov = fov;
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game.UpdateProjection();
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return true;
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}
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#endregion
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}
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} |