Improve edge-scroll behavior
This commit is contained in:
Paul Chote
219
OpenRA.Mods.Cnc/Widgets/CncWorldInteractionControllerWidget.cs
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219
OpenRA.Mods.Cnc/Widgets/CncWorldInteractionControllerWidget.cs
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#region Copyright & License Information
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/*
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* Copyright 2007-2011 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see COPYING.
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*/
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#endregion
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using System;
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using System.Linq;
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using OpenRA.FileFormats;
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using OpenRA.Graphics;
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using OpenRA.Traits;
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using OpenRA.Widgets;
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namespace OpenRA.Mods.Cnc.Widgets
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{
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public class CncWorldInteractionControllerWidget : WorldInteractionControllerWidget
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{
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public readonly string TooltipTemplate = "WORLD_TOOLTIP";
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public readonly string TooltipContainer;
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Lazy<TooltipContainerWidget> tooltipContainer;
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public enum WorldTooltipType { None, Unexplored, Actor }
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public WorldTooltipType TooltipType { get; private set; }
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public IToolTip ActorTooltip { get; private set; }
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public int EdgeScrollThreshold = 15;
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ScrollDirection Keyboard;
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ScrollDirection Edge;
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[ObjectCreator.UseCtor]
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public CncWorldInteractionControllerWidget([ObjectCreator.Param] World world,
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[ObjectCreator.Param] WorldRenderer worldRenderer)
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: base(world, worldRenderer)
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{
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tooltipContainer = new Lazy<TooltipContainerWidget>(() =>
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Widget.RootWidget.GetWidget<TooltipContainerWidget>(TooltipContainer));
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}
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public override void MouseEntered()
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{
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if (TooltipContainer == null)
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return;
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tooltipContainer.Value.SetTooltip(
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Widget.LoadWidget(TooltipTemplate, null, new WidgetArgs() {{ "world", world }, { "wic", this }}));
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}
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public override void MouseExited()
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{
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if (TooltipContainer == null) return;
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tooltipContainer.Value.RemoveTooltip();
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}
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public void UpdateMouseover()
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{
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TooltipType = WorldTooltipType.None;
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var cell = Game.viewport.ViewToWorld(Viewport.LastMousePos).ToInt2();
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if (!world.Map.IsInMap(cell))
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return;
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if (world.LocalPlayer != null && !world.LocalPlayer.Shroud.IsExplored(cell))
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{
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TooltipType = WorldTooltipType.Unexplored;
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return;
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}
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var actor = world.FindUnitsAtMouse(Viewport.LastMousePos).FirstOrDefault();
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if (actor == null)
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return;
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ActorTooltip = actor.TraitsImplementing<IToolTip>().FirstOrDefault();
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if (ActorTooltip != null)
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TooltipType = WorldTooltipType.Actor;
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}
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public override bool HandleMouseInput(MouseInput mi)
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{
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if (mi.Event == MouseInputEvent.Move)
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UpdateMouseover();
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var scrolltype = Game.Settings.Game.MouseScroll;
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if (scrolltype != OpenRA.GameRules.MouseScrollType.Disabled && mi.Event == MouseInputEvent.Move &&
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(mi.Button == MouseButton.Middle || mi.Button == (MouseButton.Left | MouseButton.Right)))
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{
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var d = scrolltype == OpenRA.GameRules.MouseScrollType.Inverted ? -1 : 1;
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Game.viewport.Scroll((Viewport.LastMousePos - mi.Location) * d);
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}
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return base.HandleMouseInput(mi);
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}
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public override string GetCursor(int2 pos)
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{
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if (!Game.Settings.Game.ViewportEdgeScroll || Widget.MouseOverWidget != this)
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return base.GetCursor(pos);
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if (Edge.Includes(ScrollDirection.Up) && Edge.Includes(ScrollDirection.Left)){
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ScrollDirection BlockedDirections = Game.viewport.GetBlockedDirections();
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if(BlockedDirections.Includes(ScrollDirection.Up) && BlockedDirections.Includes(ScrollDirection.Left))
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return "scroll-tl-blocked";
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else
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return "scroll-tl";
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}
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if (Edge.Includes(ScrollDirection.Up) && Edge.Includes(ScrollDirection.Right)){
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ScrollDirection BlockedDirections = Game.viewport.GetBlockedDirections();
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if (BlockedDirections.Includes(ScrollDirection.Up) && BlockedDirections.Includes(ScrollDirection.Right))
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return "scroll-tr-blocked";
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else
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return "scroll-tr";
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}
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if (Edge.Includes(ScrollDirection.Down) && Edge.Includes(ScrollDirection.Left)){
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ScrollDirection BlockedDirections = Game.viewport.GetBlockedDirections();
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if (BlockedDirections.Includes(ScrollDirection.Down) && BlockedDirections.Includes(ScrollDirection.Left))
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return "scroll-bl-blocked";
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else
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return "scroll-bl";
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}
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if (Edge.Includes(ScrollDirection.Down) && Edge.Includes(ScrollDirection.Right)){
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ScrollDirection BlockedDirections = Game.viewport.GetBlockedDirections();
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if (BlockedDirections.Includes(ScrollDirection.Down) && BlockedDirections.Includes(ScrollDirection.Right))
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return "scroll-br-blocked";
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else
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return "scroll-br";
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}
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if (Edge.Includes(ScrollDirection.Up))
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if (Game.viewport.GetBlockedDirections().Includes(ScrollDirection.Up))
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return "scroll-t-blocked";
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else
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return "scroll-t";
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if (Edge.Includes(ScrollDirection.Down))
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if (Game.viewport.GetBlockedDirections().Includes(ScrollDirection.Down))
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return "scroll-b-blocked";
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else
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return "scroll-b";
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if (Edge.Includes(ScrollDirection.Left))
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if (Game.viewport.GetBlockedDirections().Includes(ScrollDirection.Left))
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return "scroll-l-blocked";
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else
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return "scroll-l";
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if (Edge.Includes(ScrollDirection.Right))
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if (Game.viewport.GetBlockedDirections().Includes(ScrollDirection.Right))
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return "scroll-r-blocked";
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else
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return "scroll-r";
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return base.GetCursor(pos);
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}
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public override bool LoseFocus(MouseInput mi)
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{
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Keyboard = ScrollDirection.None;
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return base.LoseFocus(mi);
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}
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public override bool HandleKeyPress(KeyInput e)
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{
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switch (e.KeyName)
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{
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case "up": Keyboard = Keyboard.Set(ScrollDirection.Up, (e.Event == KeyInputEvent.Down)); return true;
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case "down": Keyboard = Keyboard.Set(ScrollDirection.Down, (e.Event == KeyInputEvent.Down)); return true;
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case "left": Keyboard = Keyboard.Set(ScrollDirection.Left, (e.Event == KeyInputEvent.Down)); return true;
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case "right": Keyboard = Keyboard.Set(ScrollDirection.Right, (e.Event == KeyInputEvent.Down)); return true;
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}
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return false;
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}
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float2 cachedLocation;
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public override void Tick()
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{
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if (Game.viewport.Location != cachedLocation)
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{
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UpdateMouseover();
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cachedLocation = Game.viewport.Location;
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}
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Edge = ScrollDirection.None;
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if (Game.Settings.Game.ViewportEdgeScroll && Game.HasInputFocus && Widget.MouseOverWidget == this)
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{
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// Check for edge-scroll
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if (Viewport.LastMousePos.X < EdgeScrollThreshold)
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Edge = Edge.Set(ScrollDirection.Left, true);
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if (Viewport.LastMousePos.Y < EdgeScrollThreshold)
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Edge = Edge.Set(ScrollDirection.Up, true);
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if (Viewport.LastMousePos.X >= Game.viewport.Width - EdgeScrollThreshold)
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Edge = Edge.Set(ScrollDirection.Right, true);
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if (Viewport.LastMousePos.Y >= Game.viewport.Height - EdgeScrollThreshold)
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Edge = Edge.Set(ScrollDirection.Down, true);
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}
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if(Keyboard != ScrollDirection.None || Edge != ScrollDirection.None)
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{
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var scroll = new float2(0, 0);
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// Modified to use the ViewportEdgeScrollStep setting - Gecko
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if (Keyboard.Includes(ScrollDirection.Up) || Edge.Includes(ScrollDirection.Up))
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scroll += new float2(0, -1);
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if (Keyboard.Includes(ScrollDirection.Right) || Edge.Includes(ScrollDirection.Right))
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scroll += new float2(1, 0);
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if (Keyboard.Includes(ScrollDirection.Down) || Edge.Includes(ScrollDirection.Down))
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scroll += new float2(0, 1);
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if (Keyboard.Includes(ScrollDirection.Left) || Edge.Includes(ScrollDirection.Left))
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scroll += new float2(-1, 0);
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float length = Math.Max(1, scroll.Length);
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scroll.X = (scroll.X / length) * Game.Settings.Game.ViewportEdgeScrollStep;
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scroll.Y = (scroll.Y / length) * Game.Settings.Game.ViewportEdgeScrollStep;
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Game.viewport.Scroll(scroll);
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}
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base.Tick();
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}
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}
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}
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