108 lines
3.2 KiB
C#
108 lines
3.2 KiB
C#
#region Copyright & License Information
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/*
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* Copyright (c) The OpenRA Developers and Contributors
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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, either version 3 of
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* the License, or (at your option) any later version. For more
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* information, see COPYING.
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*/
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#endregion
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using System;
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using OpenRA.Graphics;
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using OpenRA.Primitives;
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using OpenRA.Widgets;
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namespace OpenRA.Mods.Common.Widgets
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{
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public enum ResourceBarOrientation { Vertical, Horizontal }
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public class ResourceBarWidget : Widget
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{
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public readonly string TooltipTemplate;
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public readonly string TooltipContainer;
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readonly Lazy<TooltipContainerWidget> tooltipContainer;
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public CachedTransform<(float, float), string> TooltipTextCached;
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public ResourceBarOrientation Orientation = ResourceBarOrientation.Vertical;
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public string IndicatorCollection = "sidebar-bits";
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public string IndicatorImage = "indicator";
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public Func<float> GetProvided = () => 0;
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public Func<float> GetUsed = () => 0;
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public Func<Color> GetBarColor = () => Color.White;
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readonly EWMA providedLerp = new EWMA(0.3f);
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readonly EWMA usedLerp = new EWMA(0.3f);
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readonly World world;
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Sprite indicator;
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[ObjectCreator.UseCtor]
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public ResourceBarWidget(World world)
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{
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this.world = world;
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tooltipContainer = Exts.Lazy(() =>
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Ui.Root.Get<TooltipContainerWidget>(TooltipContainer));
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}
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public override void Initialize(WidgetArgs args)
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{
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base.Initialize(args);
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indicator = ChromeProvider.GetImage(IndicatorCollection, IndicatorImage);
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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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Func<string> getText = () => TooltipTextCached.Update((GetUsed(), GetProvided()));
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tooltipContainer.Value.SetTooltip(TooltipTemplate, new WidgetArgs() { { "getText", getText }, { "world", world } });
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}
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public override void MouseExited()
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{
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if (TooltipContainer == null)
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return;
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tooltipContainer.Value.RemoveTooltip();
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}
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public override void Draw()
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{
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var scaleBy = 100.0f;
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var provided = GetProvided();
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var used = GetUsed();
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var max = Math.Max(provided, used);
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while (max >= scaleBy)
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scaleBy *= 2;
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var providedFrac = providedLerp.Update(provided / scaleBy);
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var usedFrac = usedLerp.Update(used / scaleBy);
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var b = RenderBounds;
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var color = GetBarColor();
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if (Orientation == ResourceBarOrientation.Vertical)
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{
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var tl = new float2(b.X, (int)float2.Lerp(b.Bottom, b.Top, providedFrac));
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var br = tl + new float2(b.Width, (int)(providedFrac * b.Height));
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Game.Renderer.RgbaColorRenderer.FillRect(tl, br, color);
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var x = (b.Left + b.Right - indicator.Size.X) / 2;
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var y = float2.Lerp(b.Bottom, b.Top, usedFrac) - indicator.Size.Y / 2;
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WidgetUtils.DrawSprite(indicator, new float2(x, y));
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}
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else
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{
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var tl = new float2(b.X, b.Y);
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var br = tl + new float2((int)(providedFrac * b.Width), b.Height);
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Game.Renderer.RgbaColorRenderer.FillRect(tl, br, color);
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var x = float2.Lerp(b.Left, b.Right, usedFrac) - indicator.Size.X / 2;
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var y = (b.Bottom + b.Top - indicator.Size.Y) / 2;
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WidgetUtils.DrawSprite(indicator, new float2(x, y));
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}
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}
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}
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}
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