Files
OpenRA/OpenRA.Mods.Common/Widgets/WidgetUtils.cs
2019-12-28 19:15:36 +01:00

296 lines
8.6 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2019 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.Linq;
using OpenRA.Graphics;
using OpenRA.Primitives;
namespace OpenRA.Mods.Common.Widgets
{
public static class WidgetUtils
{
public static Sprite GetChromeImage(World world, string name)
{
return ChromeProvider.GetImage("chrome-" + world.LocalPlayer.Faction.InternalName, name);
}
public static void DrawRGBA(Sprite s, float2 pos)
{
Game.Renderer.RgbaSpriteRenderer.DrawSprite(s, pos);
}
public static void DrawSHPCentered(Sprite s, float2 pos, PaletteReference p)
{
Game.Renderer.SpriteRenderer.DrawSprite(s, pos - 0.5f * s.Size, p);
}
public static void DrawSHPCentered(Sprite s, float2 pos, PaletteReference p, float scale)
{
Game.Renderer.SpriteRenderer.DrawSprite(s, pos - 0.5f * scale * s.Size, p, scale * s.Size);
}
public static void DrawPanel(string collection, Rectangle bounds)
{
var sprites = ChromeProvider.GetPanelImages(collection);
if (sprites != null)
DrawPanel(bounds, sprites);
}
public static void FillRectWithSprite(Rectangle r, Sprite s)
{
for (var x = r.Left; x < r.Right; x += (int)s.Size.X)
for (var y = r.Top; y < r.Bottom; y += (int)s.Size.Y)
{
var ss = s;
var left = new int2(r.Right - x, r.Bottom - y);
if (left.X < (int)s.Size.X || left.Y < (int)s.Size.Y)
{
var rr = new Rectangle(s.Bounds.Left,
s.Bounds.Top,
Math.Min(left.X, (int)s.Size.X),
Math.Min(left.Y, (int)s.Size.Y));
ss = new Sprite(s.Sheet, rr, s.Channel);
}
DrawRGBA(ss, new float2(x, y));
}
}
public static void FillRectWithColor(Rectangle r, Color c)
{
// Offset to the edges of the pixels
var tl = new float2(r.Left - 0.5f, r.Top - 0.5f);
var br = new float2(r.Right - 0.5f, r.Bottom - 0.5f);
Game.Renderer.RgbaColorRenderer.FillRect(tl, br, c);
}
public static void FillRectWithColor(Rectangle r, Color topLeftColor, Color topRightColor, Color bottomRightColor, Color bottomLeftColor)
{
var tl = new float2(r.Left - 0.5f, r.Top - 0.5f);
var br = new float2(r.Right - 0.5f, r.Bottom - 0.5f);
var tr = new float3(br.X, tl.Y, 0);
var bl = new float3(tl.X, br.Y, 0);
Game.Renderer.RgbaColorRenderer.FillRect(tl, tr, br, bl, topLeftColor, topRightColor, bottomRightColor, bottomLeftColor);
}
public static void FillEllipseWithColor(Rectangle r, Color c)
{
var tl = new float2(r.Left, r.Top);
var br = new float2(r.Right, r.Bottom);
Game.Renderer.RgbaColorRenderer.FillEllipse(tl, br, c);
}
public static Rectangle InflateBy(this Rectangle rect, int l, int t, int r, int b)
{
return Rectangle.FromLTRB(rect.Left - l, rect.Top - t,
rect.Right + r, rect.Bottom + b);
}
/// <summary>
/// Fill a rectangle with sprites defining a panel layout.
/// Draw order is center, borders, corners to allow mods to define fancy border and corner overlays.
/// </summary>
/// <param name="bounds">Rectangle to fill.</param>
/// <param name="sprites">Nine sprites defining the panel: TL, T, TR, L, C, R, BL, B, BR.</param>
public static void DrawPanel(Rectangle bounds, Sprite[] sprites)
{
if (sprites.Length != 9)
return;
var marginTop = sprites[1] == null ? 0 : (int)sprites[1].Size.Y;
var marginLeft = sprites[3] == null ? 0 : (int)sprites[3].Size.X;
var marginRight = sprites[5] == null ? 0 : (int)sprites[5].Size.X;
var marginBottom = sprites[7] == null ? 0 : (int)sprites[7].Size.Y;
var marginWidth = marginRight + marginLeft;
var marginHeight = marginBottom + marginTop;
// Center
if (sprites[4] != null)
FillRectWithSprite(new Rectangle(bounds.Left + marginLeft, bounds.Top + marginTop,
bounds.Width - marginWidth, bounds.Height - marginHeight), sprites[4]);
// Left edge
if (sprites[3] != null)
FillRectWithSprite(new Rectangle(bounds.Left, bounds.Top + marginTop,
marginLeft, bounds.Height - marginHeight), sprites[3]);
// Right edge
if (sprites[5] != null)
FillRectWithSprite(new Rectangle(bounds.Right - marginRight, bounds.Top + marginTop,
marginLeft, bounds.Height - marginHeight), sprites[5]);
// Top edge
if (sprites[1] != null)
FillRectWithSprite(new Rectangle(bounds.Left + marginLeft, bounds.Top,
bounds.Width - marginWidth, marginTop), sprites[1]);
// Bottom edge
if (sprites[7] != null)
FillRectWithSprite(new Rectangle(bounds.Left + marginLeft, bounds.Bottom - marginBottom,
bounds.Width - marginWidth, marginTop), sprites[7]);
// Top-left corner
if (sprites[0] != null)
DrawRGBA(sprites[0], new float2(bounds.Left, bounds.Top));
// Top-right corner
if (sprites[2] != null)
DrawRGBA(sprites[2], new float2(bounds.Right - sprites[2].Size.X, bounds.Top));
// Bottom-left corner
if (sprites[6] != null)
DrawRGBA(sprites[6], new float2(bounds.Left, bounds.Bottom - sprites[6].Size.Y));
// Bottom-right corner
if (sprites[8] != null)
DrawRGBA(sprites[8], new float2(bounds.Right - sprites[8].Size.X, bounds.Bottom - sprites[8].Size.Y));
}
public static string FormatTime(int ticks, int timestep)
{
return FormatTime(ticks, true, timestep);
}
public static string FormatTime(int ticks, bool leadingMinuteZero, int timestep)
{
var seconds = (int)Math.Ceiling(ticks * timestep / 1000f);
return FormatTimeSeconds(seconds, leadingMinuteZero);
}
public static string FormatTimeSeconds(int seconds)
{
return FormatTimeSeconds(seconds, true);
}
public static string FormatTimeSeconds(int seconds, bool leadingMinuteZero)
{
var minutes = seconds / 60;
if (minutes >= 60)
return "{0:D}:{1:D2}:{2:D2}".F(minutes / 60, minutes % 60, seconds % 60);
if (leadingMinuteZero)
return "{0:D2}:{1:D2}".F(minutes, seconds % 60);
return "{0:D}:{1:D2}".F(minutes, seconds % 60);
}
public static string WrapText(string text, int width, SpriteFont font)
{
var textSize = font.Measure(text);
if (textSize.X > width)
{
var lines = text.Split('\n').ToList();
for (var i = 0; i < lines.Count; i++)
{
var line = lines[i];
if (font.Measure(line).X <= width)
continue;
// Scan forwards until we find the last word that fits
// This guarantees a small bound on the amount of string we need to search before a linebreak
var start = 0;
while (true)
{
var spaceIndex = line.IndexOf(' ', start);
if (spaceIndex == -1)
break;
var fragmentWidth = font.Measure(line.Substring(0, spaceIndex)).X;
if (fragmentWidth > width)
break;
start = spaceIndex + 1;
}
if (start > 0)
{
lines[i] = line.Substring(0, start - 1);
lines.Insert(i + 1, line.Substring(start));
}
}
return string.Join("\n", lines);
}
return text;
}
public static string TruncateText(string text, int width, SpriteFont font)
{
var trimmedWidth = font.Measure(text).X;
if (trimmedWidth <= width)
return text;
var trimmed = text;
while (trimmedWidth > width && trimmed.Length > 3)
{
trimmed = text.Substring(0, trimmed.Length - 4) + "...";
trimmedWidth = font.Measure(trimmed).X;
}
return trimmed;
}
public static void TruncateLabelToTooltip(LabelWithTooltipWidget label, string text)
{
var truncatedText = TruncateText(text, label.Bounds.Width, Game.Renderer.Fonts[label.Font]);
label.GetText = () => truncatedText;
if (text != truncatedText)
label.GetTooltipText = () => text;
else
label.GetTooltipText = null;
}
public static void TruncateButtonToTooltip(ButtonWidget button, string text)
{
var truncatedText = TruncateText(text, button.Bounds.Width - button.LeftMargin - button.RightMargin, Game.Renderer.Fonts[button.Font]);
button.GetText = () => truncatedText;
if (text != truncatedText)
button.GetTooltipText = () => text;
else
button.GetTooltipText = null;
}
}
public class CachedTransform<T, U>
{
readonly Func<T, U> transform;
bool initialized;
T lastInput;
U lastOutput;
public CachedTransform(Func<T, U> transform)
{
this.transform = transform;
}
public U Update(T input)
{
if (initialized && ((input == null && lastInput == null) || (input != null && input.Equals(lastInput))))
return lastOutput;
lastInput = input;
lastOutput = transform(input);
initialized = true;
return lastOutput;
}
}
}