Files
OpenRA/OpenRA.Mods.Cnc/Widgets/PowerBarWidget.cs

88 lines
2.6 KiB
C#
Executable File

#region Copyright & License Information
/*
* Copyright 2007-2011 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. For more information,
* see COPYING.
*/
#endregion
using System;
using System.Drawing;
using OpenRA.FileFormats;
using OpenRA.Graphics;
using OpenRA.Mods.RA.Buildings;
using OpenRA.Widgets;
namespace OpenRA.Mods.Cnc.Widgets
{
public class PowerBarWidget : Widget
{
public readonly string TooltipTemplate = "SIMPLE_TOOLTIP";
public readonly string TooltipContainer;
Lazy<TooltipContainerWidget> tooltipContainer;
float? lastProvidedFrac;
float? lastDrainedFrac;
readonly PowerManager pm;
[ObjectCreator.UseCtor]
public PowerBarWidget(World world)
{
pm = world.LocalPlayer.PlayerActor.Trait<PowerManager>();
tooltipContainer = Lazy.New(() =>
Ui.Root.Get<TooltipContainerWidget>(TooltipContainer));
}
public override void MouseEntered()
{
if (TooltipContainer == null) return;
Func<string> getText = () => "Power Usage: {0}/{1}".F(pm.PowerDrained, pm.PowerProvided);
tooltipContainer.Value.SetTooltip(TooltipTemplate, new WidgetArgs() {{ "getText", getText }});
}
public override void MouseExited()
{
if (TooltipContainer == null) return;
tooltipContainer.Value.RemoveTooltip();
}
public override void Draw()
{
float powerScaleBy = 100;
var maxPower = Math.Max(pm.PowerProvided, pm.PowerDrained);
while (maxPower >= powerScaleBy) powerScaleBy *= 2;
var animRate = .3f;
// Current power supply
var providedFrac = pm.PowerProvided / powerScaleBy;
lastProvidedFrac = providedFrac = float2.Lerp(lastProvidedFrac.GetValueOrDefault(providedFrac), providedFrac, animRate);
var color = GetBarColor();
var b = RenderBounds;
var rect = new RectangleF(b.X, float2.Lerp(b.Bottom, b.Top, providedFrac),
(float)b.Width, providedFrac*b.Height);
Game.Renderer.LineRenderer.FillRect(rect, color);
var indicator = ChromeProvider.GetImage("sidebar-bits", "left-indicator");
var drainedFrac = pm.PowerDrained / powerScaleBy;
lastDrainedFrac = drainedFrac = float2.Lerp(lastDrainedFrac.GetValueOrDefault(drainedFrac), drainedFrac, animRate);
float2 pos = new float2(b.X + b.Width - indicator.size.X,
float2.Lerp(b.Bottom, b.Top, drainedFrac));
Game.Renderer.RgbaSpriteRenderer.DrawSprite(indicator, pos);
}
Color GetBarColor()
{
if (pm.PowerState == PowerState.Critical) return Color.Red;
if (pm.PowerState == PowerState.Low) return Color.Orange;
return Color.LimeGreen;
}
}
}