104 lines
3.3 KiB
C#
Executable File
104 lines
3.3 KiB
C#
Executable File
#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.Drawing;
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using OpenRA.Graphics;
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using OpenRA.Mods.RA.Buildings;
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using OpenRA.Widgets;
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namespace OpenRA.Mods.RA.Widgets
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{
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public class PowerBinWidget : Widget
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{
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// Power bar
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float2 powerOrigin = new float2(42, 205); // Relative to radarOrigin
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Size powerSize = new Size(138, 5);
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float? lastPowerProvidedPos;
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float? lastPowerDrainedPos;
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string powerCollection;
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readonly string RadarBin = "INGAME_RADAR_BIN";
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readonly PowerManager power;
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readonly World world;
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[ObjectCreator.UseCtor]
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public PowerBinWidget(World world)
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{
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this.world = world;
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if (world.LocalPlayer != null)
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power = world.LocalPlayer.PlayerActor.Trait<PowerManager>();
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}
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static Color GetPowerColor(PowerManager pm)
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{
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if (pm.PowerState == PowerState.Critical) return Color.Red;
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if (pm.PowerState == PowerState.Low) return Color.Orange;
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return Color.LimeGreen;
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}
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const float PowerBarLerpFactor = .2f;
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public override void Draw()
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{
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if( world.LocalPlayer == null ) return;
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var radarBin = Widget.RootWidget.GetWidget<RadarBinWidget>(RadarBin);
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powerCollection = "power-" + world.LocalPlayer.Country.Race;
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// Nothing to draw
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if (power.PowerProvided == 0 && power.PowerDrained == 0)
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return;
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// Draw bar horizontally
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var barStart = powerOrigin + radarBin.RadarOrigin;
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var barEnd = barStart + new float2(powerSize.Width, 0);
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float powerScaleBy = 100;
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var maxPower = Math.Max(power.PowerProvided, power.PowerDrained);
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while (maxPower >= powerScaleBy) powerScaleBy *= 2;
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// Current power supply
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var powerLevelTemp = barStart.X + (barEnd.X - barStart.X) * (power.PowerProvided / powerScaleBy);
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lastPowerProvidedPos = float2.Lerp(lastPowerProvidedPos.GetValueOrDefault(powerLevelTemp), powerLevelTemp, PowerBarLerpFactor);
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var powerLevel = new float2(lastPowerProvidedPos.Value, barStart.Y);
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var color = GetPowerColor(power);
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var colorDark = Graphics.Util.Lerp(0.25f, color, Color.Black);
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for (int i = 0; i < powerSize.Height; i++)
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{
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color = (i - 1 < powerSize.Height / 2) ? color : colorDark;
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var leftOffset = new float2(0, i);
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var rightOffset = new float2(0, i);
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// Indent corners
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if ((i == 0 || i == powerSize.Height - 1) && powerLevel.X - barStart.X > 1)
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{
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leftOffset.X += 1;
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rightOffset.X -= 1;
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}
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Game.Renderer.LineRenderer.DrawLine(barStart + leftOffset, powerLevel + rightOffset, color, color);
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}
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// Power usage indicator
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var indicator = ChromeProvider.GetImage( powerCollection, "power-indicator");
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var powerDrainedTemp = barStart.X + (barEnd.X - barStart.X) * (power.PowerDrained / powerScaleBy);
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lastPowerDrainedPos = float2.Lerp(lastPowerDrainedPos.GetValueOrDefault(powerDrainedTemp), powerDrainedTemp, PowerBarLerpFactor);
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var powerDrainLevel = new float2(lastPowerDrainedPos.Value - indicator.size.X / 2, barStart.Y - 1);
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Game.Renderer.RgbaSpriteRenderer.DrawSprite(indicator, powerDrainLevel);
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}
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}
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}
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