Files
OpenRA/OpenRA.Mods.Common/Widgets/ViewportControllerWidget.cs
reaperrr d949e17b88 Perform FogObscures as late as possible
FogObscures is more expensive than simpler boolean, player or HasTraitInfo checks, so in these places it makes sense to perform the other checks first.
2017-08-07 09:42:12 +02:00

491 lines
14 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2017 The OpenRA Developers (see AUTHORS)
* This file is part of OpenRA, which is free software. It is made
* available to you under the terms of the GNU General Public License
* as published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version. For more
* information, see COPYING.
*/
#endregion
using System;
using System.Collections.Generic;
using System.Linq;
using OpenRA.Graphics;
using OpenRA.Mods.Common.Traits;
using OpenRA.Traits;
using OpenRA.Widgets;
namespace OpenRA.Mods.Common.Widgets
{
public enum WorldTooltipType { None, Unexplored, Actor, FrozenActor, Resource }
public class ViewportControllerWidget : Widget
{
readonly ResourceLayer resourceLayer;
public readonly string TooltipTemplate = "WORLD_TOOLTIP";
public readonly string TooltipContainer;
Lazy<TooltipContainerWidget> tooltipContainer;
public WorldTooltipType TooltipType { get; private set; }
public ITooltip ActorTooltip { get; private set; }
public IProvideTooltipInfo[] ActorTooltipExtra { get; private set; }
public FrozenActor FrozenActorTooltip { get; private set; }
public ResourceType ResourceTooltip { get; private set; }
public int EdgeScrollThreshold = 5;
int2? joystickScrollStart, joystickScrollEnd;
int2? standardScrollStart;
bool isStandardScrolling;
static readonly Dictionary<ScrollDirection, string> ScrollCursors = new Dictionary<ScrollDirection, string>
{
{ ScrollDirection.Up | ScrollDirection.Left, "scroll-tl" },
{ ScrollDirection.Up | ScrollDirection.Right, "scroll-tr" },
{ ScrollDirection.Down | ScrollDirection.Left, "scroll-bl" },
{ ScrollDirection.Down | ScrollDirection.Right, "scroll-br" },
{ ScrollDirection.Up, "scroll-t" },
{ ScrollDirection.Down, "scroll-b" },
{ ScrollDirection.Left, "scroll-l" },
{ ScrollDirection.Right, "scroll-r" },
};
static readonly Dictionary<ScrollDirection, string> JoystickCursors = new Dictionary<ScrollDirection, string>
{
{ ScrollDirection.Up | ScrollDirection.Left, "joystick-tl-blocked" },
{ ScrollDirection.Up | ScrollDirection.Right, "joystick-tr-blocked" },
{ ScrollDirection.Down | ScrollDirection.Left, "joystick-bl-blocked" },
{ ScrollDirection.Down | ScrollDirection.Right, "joystick-br-blocked" },
{ ScrollDirection.Up, "joystick-t-blocked" },
{ ScrollDirection.Down, "joystick-b-blocked" },
{ ScrollDirection.Left, "joystick-l-blocked" },
{ ScrollDirection.Right, "joystick-r-blocked" },
};
static readonly Dictionary<ScrollDirection, float2> ScrollOffsets = new Dictionary<ScrollDirection, float2>
{
{ ScrollDirection.Up, new float2(0, -1) },
{ ScrollDirection.Down, new float2(0, 1) },
{ ScrollDirection.Left, new float2(-1, 0) },
{ ScrollDirection.Right, new float2(1, 0) },
};
ScrollDirection keyboardDirections;
ScrollDirection edgeDirections;
World world;
WorldRenderer worldRenderer;
WPos?[] viewPortBookmarkSlots = new WPos?[4];
void SaveBookmark(int index, WPos position)
{
viewPortBookmarkSlots[index] = position;
}
void SaveCurrentPositionToBookmark(int index)
{
SaveBookmark(index, worldRenderer.Viewport.CenterPosition);
}
WPos? JumpToBookmark(int index)
{
return viewPortBookmarkSlots[index];
}
void JumpToSavedBookmark(int index)
{
var bookmark = JumpToBookmark(index);
if (bookmark != null)
worldRenderer.Viewport.Center((WPos)bookmark);
}
[ObjectCreator.UseCtor]
public ViewportControllerWidget(World world, WorldRenderer worldRenderer)
{
this.world = world;
this.worldRenderer = worldRenderer;
tooltipContainer = Exts.Lazy(() =>
Ui.Root.Get<TooltipContainerWidget>(TooltipContainer));
resourceLayer = world.WorldActor.TraitOrDefault<ResourceLayer>();
}
public override void MouseEntered()
{
if (TooltipContainer == null)
return;
tooltipContainer.Value.SetTooltip(TooltipTemplate,
new WidgetArgs() { { "world", world }, { "viewport", this } });
}
public override void MouseExited()
{
if (TooltipContainer == null)
return;
tooltipContainer.Value.RemoveTooltip();
}
long lastScrollTime = 0;
public override void Draw()
{
if (IsJoystickScrolling)
{
// Base the JoystickScrolling speed on the Scroll Speed slider
var rate = 0.01f * Game.Settings.Game.ViewportEdgeScrollStep;
var scroll = (joystickScrollEnd.Value - joystickScrollStart.Value).ToFloat2() * rate;
worldRenderer.Viewport.Scroll(scroll, false);
}
else if (!isStandardScrolling)
{
edgeDirections = ScrollDirection.None;
if (Game.Settings.Game.ViewportEdgeScroll && Game.HasInputFocus)
edgeDirections = CheckForDirections();
if (keyboardDirections != ScrollDirection.None || edgeDirections != ScrollDirection.None)
{
var scroll = float2.Zero;
foreach (var kv in ScrollOffsets)
if (keyboardDirections.Includes(kv.Key) || edgeDirections.Includes(kv.Key))
scroll += kv.Value;
// Scroll rate is defined for a 40ms interval
var deltaScale = Math.Min(Game.RunTime - lastScrollTime, 25f);
var length = Math.Max(1, scroll.Length);
scroll *= (deltaScale / (25 * length)) * Game.Settings.Game.ViewportEdgeScrollStep;
worldRenderer.Viewport.Scroll(scroll, false);
lastScrollTime = Game.RunTime;
}
}
UpdateMouseover();
base.Draw();
}
public void UpdateMouseover()
{
TooltipType = WorldTooltipType.None;
ActorTooltipExtra = null;
var cell = worldRenderer.Viewport.ViewToWorld(Viewport.LastMousePos);
if (!world.Map.Contains(cell))
return;
if (world.ShroudObscures(cell))
{
TooltipType = WorldTooltipType.Unexplored;
return;
}
var worldPixel = worldRenderer.Viewport.ViewToWorldPx(Viewport.LastMousePos);
var underCursor = world.ScreenMap.ActorsAt(worldPixel)
.Where(a => a.Info.HasTraitInfo<ITooltipInfo>() && !world.FogObscures(a))
.WithHighestSelectionPriority(worldPixel);
if (underCursor != null)
{
ActorTooltip = underCursor.TraitsImplementing<ITooltip>().FirstOrDefault(Exts.IsTraitEnabled);
if (ActorTooltip != null)
{
ActorTooltipExtra = underCursor.TraitsImplementing<IProvideTooltipInfo>().ToArray();
TooltipType = WorldTooltipType.Actor;
}
return;
}
var frozen = world.ScreenMap.FrozenActorsAt(world.RenderPlayer, worldPixel)
.Where(a => a.TooltipInfo != null && a.IsValid)
.WithHighestSelectionPriority(worldPixel);
if (frozen != null)
{
var actor = frozen.Actor;
if (actor != null && actor.TraitsImplementing<IVisibilityModifier>().All(t => t.IsVisible(actor, world.RenderPlayer)))
{
FrozenActorTooltip = frozen;
if (frozen.Actor != null)
ActorTooltipExtra = frozen.Actor.TraitsImplementing<IProvideTooltipInfo>().ToArray();
TooltipType = WorldTooltipType.FrozenActor;
return;
}
}
if (resourceLayer != null)
{
var resource = resourceLayer.GetRenderedResource(cell);
if (resource != null)
{
TooltipType = WorldTooltipType.Resource;
ResourceTooltip = resource;
}
}
}
public override string GetCursor(int2 pos)
{
if (!(IsJoystickScrolling || isStandardScrolling) &&
(!Game.Settings.Game.ViewportEdgeScroll || Ui.MouseOverWidget != this))
return null;
var blockedDirections = worldRenderer.Viewport.GetBlockedDirections();
if (IsJoystickScrolling || isStandardScrolling)
{
foreach (var dir in JoystickCursors)
if (blockedDirections.Includes(dir.Key))
return dir.Value;
return "joystick-all";
}
foreach (var dir in ScrollCursors)
if (edgeDirections.Includes(dir.Key))
return dir.Value + (blockedDirections.Includes(dir.Key) ? "-blocked" : "");
return null;
}
bool IsJoystickScrolling
{
get
{
return joystickScrollStart.HasValue && joystickScrollEnd.HasValue &&
(joystickScrollStart.Value - joystickScrollEnd.Value).Length > Game.Settings.Game.MouseScrollDeadzone;
}
}
bool IsZoomAllowed(float zoom)
{
return world.IsGameOver || zoom >= 1.0f || world.IsReplay || world.LocalPlayer == null || world.LocalPlayer.Spectating;
}
void Zoom(int direction)
{
var zoomSteps = worldRenderer.Viewport.AvailableZoomSteps;
var currentZoom = worldRenderer.Viewport.Zoom;
var nextIndex = zoomSteps.IndexOf(currentZoom);
if (direction < 0)
nextIndex++;
else
nextIndex--;
if (nextIndex < 0 || nextIndex >= zoomSteps.Count())
return;
var zoom = zoomSteps.ElementAt(nextIndex);
if (!IsZoomAllowed(zoom))
return;
worldRenderer.Viewport.Zoom = zoom;
}
public override bool HandleMouseInput(MouseInput mi)
{
if (mi.Event == MouseInputEvent.Scroll &&
Game.Settings.Game.AllowZoom && mi.Modifiers.HasModifier(Game.Settings.Game.ZoomModifier))
{
Zoom(mi.ScrollDelta);
return true;
}
var scrollType = MouseScrollType.Disabled;
if (mi.Button.HasFlag(MouseButton.Middle) || mi.Button.HasFlag(MouseButton.Left | MouseButton.Right))
scrollType = Game.Settings.Game.MiddleMouseScroll;
else if (mi.Button.HasFlag(MouseButton.Right))
scrollType = Game.Settings.Game.RightMouseScroll;
if (scrollType == MouseScrollType.Disabled)
return IsJoystickScrolling || isStandardScrolling;
if (scrollType == MouseScrollType.Standard || scrollType == MouseScrollType.Inverted)
{
if (mi.Event == MouseInputEvent.Down && !isStandardScrolling)
standardScrollStart = mi.Location;
else if (mi.Event == MouseInputEvent.Move && (isStandardScrolling ||
(standardScrollStart.HasValue && ((standardScrollStart.Value - mi.Location).Length > Game.Settings.Game.MouseScrollDeadzone))))
{
isStandardScrolling = true;
var d = scrollType == MouseScrollType.Inverted ? -1 : 1;
worldRenderer.Viewport.Scroll((Viewport.LastMousePos - mi.Location) * d, false);
return true;
}
else if (mi.Event == MouseInputEvent.Up)
{
var wasStandardScrolling = isStandardScrolling;
isStandardScrolling = false;
standardScrollStart = null;
if (wasStandardScrolling)
return true;
}
}
// Tiberian Sun style click-and-drag scrolling
if (scrollType == MouseScrollType.Joystick)
{
if (mi.Event == MouseInputEvent.Down)
{
if (!TakeMouseFocus(mi))
return false;
joystickScrollStart = mi.Location;
}
if (mi.Event == MouseInputEvent.Up)
{
var wasJoystickScrolling = IsJoystickScrolling;
joystickScrollStart = joystickScrollEnd = null;
YieldMouseFocus(mi);
if (wasJoystickScrolling)
return true;
}
if (mi.Event == MouseInputEvent.Move)
{
if (!joystickScrollStart.HasValue)
joystickScrollStart = mi.Location;
joystickScrollEnd = mi.Location;
}
}
return IsJoystickScrolling || isStandardScrolling;
}
public override bool YieldMouseFocus(MouseInput mi)
{
joystickScrollStart = joystickScrollEnd = null;
return base.YieldMouseFocus(mi);
}
public override bool YieldKeyboardFocus()
{
keyboardDirections = ScrollDirection.None;
return base.YieldKeyboardFocus();
}
public override bool HandleKeyPress(KeyInput e)
{
var key = Hotkey.FromKeyInput(e);
var ks = Game.Settings.Keys;
Func<Hotkey, ScrollDirection, bool> handleMapScrollKey = (hotkey, scrollDirection) =>
{
var isHotkey = false;
if (key.Key == hotkey.Key)
{
isHotkey = key == hotkey;
keyboardDirections = keyboardDirections.Set(scrollDirection, e.Event == KeyInputEvent.Down && (isHotkey || hotkey.Modifiers == Modifiers.None));
}
return isHotkey;
};
if (handleMapScrollKey(ks.MapScrollUp, ScrollDirection.Up) || handleMapScrollKey(ks.MapScrollDown, ScrollDirection.Down)
|| handleMapScrollKey(ks.MapScrollLeft, ScrollDirection.Left) || handleMapScrollKey(ks.MapScrollRight, ScrollDirection.Right))
return true;
if (e.Event != KeyInputEvent.Down)
return false;
if (key == ks.MapPushTop)
{
worldRenderer.Viewport.Center(new WPos(worldRenderer.Viewport.CenterPosition.X, 0, 0));
return true;
}
if (key == ks.MapPushBottom)
{
worldRenderer.Viewport.Center(new WPos(worldRenderer.Viewport.CenterPosition.X, worldRenderer.World.Map.ProjectedBottomRight.Y, 0));
return true;
}
if (key == ks.MapPushLeftEdge)
{
worldRenderer.Viewport.Center(new WPos(0, worldRenderer.Viewport.CenterPosition.Y, 0));
return true;
}
if (key == ks.MapPushRightEdge)
{
worldRenderer.Viewport.Center(new WPos(worldRenderer.World.Map.ProjectedBottomRight.X, worldRenderer.Viewport.CenterPosition.Y, 0));
return true;
}
if (key == ks.ViewPortBookmarkSaveSlot1)
{
SaveCurrentPositionToBookmark(0);
return true;
}
if (key == ks.ViewPortBookmarkSaveSlot2)
{
SaveCurrentPositionToBookmark(1);
return true;
}
if (key == ks.ViewPortBookmarkSaveSlot3)
{
SaveCurrentPositionToBookmark(2);
return true;
}
if (key == ks.ViewPortBookmarkSaveSlot4)
{
SaveCurrentPositionToBookmark(3);
return true;
}
if (key == ks.ViewPortBookmarkUseSlot1)
{
JumpToSavedBookmark(0);
return true;
}
if (key == ks.ViewPortBookmarkUseSlot2)
{
JumpToSavedBookmark(1);
return true;
}
if (key == ks.ViewPortBookmarkUseSlot3)
{
JumpToSavedBookmark(2);
return true;
}
if (key == ks.ViewPortBookmarkUseSlot4)
{
JumpToSavedBookmark(3);
return true;
}
return false;
}
ScrollDirection CheckForDirections()
{
var directions = ScrollDirection.None;
if (Viewport.LastMousePos.X < EdgeScrollThreshold)
directions |= ScrollDirection.Left;
if (Viewport.LastMousePos.Y < EdgeScrollThreshold)
directions |= ScrollDirection.Up;
if (Viewport.LastMousePos.X >= Game.Renderer.Resolution.Width - EdgeScrollThreshold)
directions |= ScrollDirection.Right;
if (Viewport.LastMousePos.Y >= Game.Renderer.Resolution.Height - EdgeScrollThreshold)
directions |= ScrollDirection.Down;
return directions;
}
}
}