79 lines
2.3 KiB
C#
79 lines
2.3 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2020 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.IO;
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using OpenRA.Graphics;
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using OpenRA.Mods.Common.Terrain;
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using OpenRA.Mods.Common.Traits;
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using OpenRA.Primitives;
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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 TerrainTemplatePreviewWidget : Widget
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{
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public Func<float> GetScale = () => 1f;
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readonly ITiledTerrainRenderer terrainRenderer;
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readonly WorldRenderer worldRenderer;
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TerrainTemplateInfo template;
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Rectangle bounds;
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public TerrainTemplateInfo Template
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{
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get => template;
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set
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{
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template = value;
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if (template == null)
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return;
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bounds = terrainRenderer.TemplateBounds(template);
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}
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}
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[ObjectCreator.UseCtor]
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public TerrainTemplatePreviewWidget(WorldRenderer worldRenderer, World world)
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{
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this.worldRenderer = worldRenderer;
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terrainRenderer = world.WorldActor.TraitOrDefault<ITiledTerrainRenderer>();
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if (terrainRenderer == null)
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throw new YamlException("TerrainTemplatePreviewWidget requires a tile-based terrain renderer.");
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}
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protected TerrainTemplatePreviewWidget(TerrainTemplatePreviewWidget other)
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: base(other)
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{
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worldRenderer = other.worldRenderer;
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terrainRenderer = other.terrainRenderer;
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Template = other.Template;
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GetScale = other.GetScale;
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}
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public override Widget Clone() { return new TerrainTemplatePreviewWidget(this); }
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public override void Draw()
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{
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if (template == null)
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return;
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var scale = GetScale();
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var sb = new Rectangle((int)(scale * bounds.X), (int)(scale * bounds.Y), (int)(scale * bounds.Width), (int)(scale * bounds.Height));
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var origin = RenderOrigin + new int2((RenderBounds.Size.Width - sb.Width) / 2 - sb.X, (RenderBounds.Size.Height - sb.Height) / 2 - sb.Y);
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foreach (var r in terrainRenderer.RenderUIPreview(worldRenderer, template, origin, scale))
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r.PrepareRender(worldRenderer).Render(worldRenderer);
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}
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}
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}
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