aa121dcb2f
Use the covariant return type feature of C# 9 to allow method overrides to be more specific about their return type. By exposing this information, e.g. for Widget.Clone(), callers will have more information. This allows various casts to be removed as the information is now available within the type system.
79 lines
2.6 KiB
C#
79 lines
2.6 KiB
C#
#region Copyright & License Information
|
|
/*
|
|
* Copyright (c) The OpenRA Developers and Contributors
|
|
* 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 OpenRA.Graphics;
|
|
using OpenRA.Mods.Common.Terrain;
|
|
using OpenRA.Mods.Common.Traits;
|
|
using OpenRA.Widgets;
|
|
|
|
namespace OpenRA.Mods.Common.Widgets
|
|
{
|
|
public class TerrainTemplatePreviewWidget : Widget
|
|
{
|
|
public Func<float> GetScale = () => 1f;
|
|
|
|
readonly ITiledTerrainRenderer terrainRenderer;
|
|
readonly WorldRenderer worldRenderer;
|
|
readonly WorldViewportSizes viewportSizes;
|
|
|
|
TerrainTemplateInfo template;
|
|
|
|
public int2 PreviewOffset { get; private set; }
|
|
public int2 IdealPreviewSize { get; private set; }
|
|
|
|
[ObjectCreator.UseCtor]
|
|
public TerrainTemplatePreviewWidget(ModData modData, WorldRenderer worldRenderer, World world)
|
|
{
|
|
this.worldRenderer = worldRenderer;
|
|
viewportSizes = modData.Manifest.Get<WorldViewportSizes>();
|
|
|
|
terrainRenderer = world.WorldActor.TraitOrDefault<ITiledTerrainRenderer>();
|
|
if (terrainRenderer == null)
|
|
throw new YamlException("TerrainTemplatePreviewWidget requires a tile-based terrain renderer.");
|
|
}
|
|
|
|
protected TerrainTemplatePreviewWidget(TerrainTemplatePreviewWidget other)
|
|
: base(other)
|
|
{
|
|
worldRenderer = other.worldRenderer;
|
|
viewportSizes = other.viewportSizes;
|
|
terrainRenderer = other.terrainRenderer;
|
|
template = other.template;
|
|
GetScale = other.GetScale;
|
|
}
|
|
|
|
public override TerrainTemplatePreviewWidget Clone() { return new TerrainTemplatePreviewWidget(this); }
|
|
|
|
public void SetTemplate(TerrainTemplateInfo template)
|
|
{
|
|
this.template = template;
|
|
var b = terrainRenderer.TemplateBounds(template);
|
|
IdealPreviewSize = new int2((int)(b.Width * viewportSizes.DefaultScale), (int)(b.Height * viewportSizes.DefaultScale));
|
|
|
|
// Measured from the middle of the widget to the middle of the top-left cell of the template
|
|
PreviewOffset = -new int2((int)(b.Left * viewportSizes.DefaultScale), (int)(b.Top * viewportSizes.DefaultScale)) - IdealPreviewSize / 2;
|
|
}
|
|
|
|
public override void Draw()
|
|
{
|
|
if (template == null)
|
|
return;
|
|
|
|
var scale = GetScale() * viewportSizes.DefaultScale;
|
|
var origin = RenderOrigin + PreviewOffset + new int2(RenderBounds.Size.Width / 2, RenderBounds.Size.Height / 2);
|
|
|
|
foreach (var r in terrainRenderer.RenderUIPreview(worldRenderer, template, origin, scale))
|
|
r.PrepareRender(worldRenderer).Render(worldRenderer);
|
|
}
|
|
}
|
|
}
|