85 lines
2.0 KiB
C#
85 lines
2.0 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2018 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 OpenRA.Graphics;
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using OpenRA.Widgets;
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namespace OpenRA.Mods.Common.Widgets
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{
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public class SpriteWidget : Widget
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{
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public Func<float> GetScale = () => 1f;
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public string Palette = "chrome";
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public Func<string> GetPalette;
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public Func<Sprite> GetSprite;
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protected readonly WorldRenderer WorldRenderer;
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[ObjectCreator.UseCtor]
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public SpriteWidget(WorldRenderer worldRenderer)
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{
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GetPalette = () => Palette;
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WorldRenderer = worldRenderer;
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}
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protected SpriteWidget(SpriteWidget other)
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: base(other)
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{
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Palette = other.Palette;
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GetPalette = other.GetPalette;
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GetSprite = other.GetSprite;
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WorldRenderer = other.WorldRenderer;
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}
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public override Widget Clone() { return new SpriteWidget(this); }
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Sprite cachedSprite = null;
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string cachedPalette = null;
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float cachedScale;
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PaletteReference pr;
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float2 offset = float2.Zero;
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public override void Draw()
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{
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var sprite = GetSprite();
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var palette = GetPalette();
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var scale = GetScale();
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if (sprite == null || palette == null)
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return;
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if (sprite != cachedSprite)
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{
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offset = 0.5f * (new float2(RenderBounds.Size) - sprite.Size.XY);
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cachedSprite = sprite;
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}
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if (palette != cachedPalette)
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{
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pr = WorldRenderer.Palette(palette);
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cachedPalette = palette;
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}
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if (scale != cachedScale)
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{
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offset *= scale;
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cachedScale = scale;
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}
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var size = new float2(sprite.Size.X * scale, sprite.Size.Y * scale);
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Game.Renderer.SpriteRenderer.DrawSprite(sprite, RenderOrigin + offset, pr, size);
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}
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}
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}
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