101 lines
2.7 KiB
C#
101 lines
2.7 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2016 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, 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 System.Collections.Generic;
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using System.Linq;
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using OpenRA.Primitives;
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namespace OpenRA.Graphics
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{
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public interface ICursor : IDisposable
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{
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void Render(Renderer renderer);
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void SetCursor(string cursor);
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void Tick();
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}
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public sealed class SoftwareCursor : ICursor
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{
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readonly HardwarePalette palette = new HardwarePalette();
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readonly Cache<string, PaletteReference> paletteReferences;
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readonly Dictionary<string, Sprite[]> sprites = new Dictionary<string, Sprite[]>();
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readonly CursorProvider cursorProvider;
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readonly SheetBuilder sheetBuilder;
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public SoftwareCursor(CursorProvider cursorProvider)
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{
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this.cursorProvider = cursorProvider;
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paletteReferences = new Cache<string, PaletteReference>(CreatePaletteReference);
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foreach (var p in cursorProvider.Palettes)
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palette.AddPalette(p.Key, p.Value, false);
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palette.Initialize();
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sheetBuilder = new SheetBuilder(SheetType.Indexed);
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foreach (var kv in cursorProvider.Cursors)
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{
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var s = kv.Value.Frames.Select(a => sheetBuilder.Add(a)).ToArray();
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sprites.Add(kv.Key, s);
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}
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sheetBuilder.Current.ReleaseBuffer();
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Game.Renderer.Device.SetHardwareCursor(null);
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}
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PaletteReference CreatePaletteReference(string name)
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{
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var pal = palette.GetPalette(name);
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return new PaletteReference(name, palette.GetPaletteIndex(name), pal, palette);
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}
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string cursorName;
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public void SetCursor(string cursor)
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{
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cursorName = cursor;
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}
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float cursorFrame;
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public void Tick()
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{
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cursorFrame += 0.5f;
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}
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public void Render(Renderer renderer)
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{
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if (cursorName == null)
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return;
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var cursorSequence = cursorProvider.GetCursorSequence(cursorName);
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var cursorSprite = sprites[cursorName][((int)cursorFrame % cursorSequence.Length)];
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var cursorSize = CursorProvider.CursorViewportZoomed ? 2.0f * cursorSprite.Size : cursorSprite.Size;
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var cursorOffset = CursorProvider.CursorViewportZoomed ?
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(2 * cursorSequence.Hotspot) + cursorSprite.Size.XY.ToInt2() :
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cursorSequence.Hotspot + (0.5f * cursorSprite.Size.XY).ToInt2();
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renderer.SetPalette(palette);
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renderer.SpriteRenderer.DrawSprite(cursorSprite,
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Viewport.LastMousePos - cursorOffset,
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paletteReferences[cursorSequence.Palette],
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cursorSize);
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}
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public void Dispose()
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{
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palette.Dispose();
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sheetBuilder.Dispose();
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}
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}
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}
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