Files
OpenRA/OpenRA.Mods.RA/Widgets/PowerBinWidget.cs

86 lines
3.0 KiB
C#
Executable File

#region Copyright & License Information
/*
* Copyright 2007-2010 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 LICENSE.
*/
#endregion
using System;
using System.Drawing;
using OpenRA.Graphics;
using OpenRA.Traits;
using OpenRA.Widgets;
namespace OpenRA.Mods.RA.Widgets
{
public class PowerBinWidget : Widget
{
// Power bar
static float2 powerOrigin = new float2(42, 205); // Relative to radarOrigin
static Size powerSize = new Size(138, 5);
float? lastPowerProvidedPos;
float? lastPowerDrainedPos;
string powerCollection;
public override void DrawInner()
{
var world = Game.world;
if( world.LocalPlayer == null ) return;
powerCollection = "power-" + world.LocalPlayer.Country.Race;
var power = world.LocalPlayer.PlayerActor.Trait<PowerManager>();
// Nothing to draw
if (power.PowerProvided == 0
&& power.PowerDrained == 0)
return;
// Draw bar horizontally
var barStart = powerOrigin + RadarBinWidget.radarOrigin;
var barEnd = barStart + new float2(powerSize.Width, 0);
float powerScaleBy = 100;
var maxPower = Math.Max(power.PowerProvided, power.PowerDrained);
while (maxPower >= powerScaleBy) powerScaleBy *= 2;
// Current power supply
var powerLevelTemp = barStart.X + (barEnd.X - barStart.X) * (power.PowerProvided / powerScaleBy);
lastPowerProvidedPos = float2.Lerp(lastPowerProvidedPos.GetValueOrDefault(powerLevelTemp), powerLevelTemp, .3f);
float2 powerLevel = new float2(lastPowerProvidedPos.Value, barStart.Y);
var color = Color.LimeGreen;
if (power.PowerState == PowerState.Low)
color = Color.Orange;
if (power.PowerState == PowerState.Critical)
color = Color.Red;
var colorDark = Graphics.Util.Lerp(0.25f, color, Color.Black);
for (int i = 0; i < powerSize.Height; i++)
{
color = (i - 1 < powerSize.Height / 2) ? color : colorDark;
float2 leftOffset = new float2(0, i);
float2 rightOffset = new float2(0, i);
// Indent corners
if ((i == 0 || i == powerSize.Height - 1) && powerLevel.X - barStart.X > 1)
{
leftOffset.X += 1;
rightOffset.X -= 1;
}
Game.Renderer.LineRenderer.DrawLine(Game.viewport.Location + barStart + leftOffset, Game.viewport.Location + powerLevel + rightOffset, color, color);
}
// Power usage indicator
var indicator = ChromeProvider.GetImage( powerCollection, "power-indicator");
var powerDrainedTemp = barStart.X + (barEnd.X - barStart.X) * (power.PowerDrained / powerScaleBy);
lastPowerDrainedPos = float2.Lerp(lastPowerDrainedPos.GetValueOrDefault(powerDrainedTemp), powerDrainedTemp, .3f);
float2 powerDrainLevel = new float2(lastPowerDrainedPos.Value - indicator.size.X / 2, barStart.Y - 1);
Game.Renderer.RgbaSpriteRenderer.DrawSprite(indicator, powerDrainLevel);
}
}
}