92 lines
3.1 KiB
C#
92 lines
3.1 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2011 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. For more information,
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* 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.Drawing;
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using OpenRA.FileFormats;
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using OpenRA.Graphics;
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namespace OpenRA.Widgets
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{
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public class MapPreviewWidget : Widget
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{
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public Func<Map> Map = () => null;
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public Func<Dictionary<int2, Color>> SpawnColors = () => new Dictionary<int2, Color>();
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Cache<Map,Bitmap> PreviewCache = new Cache<Map, Bitmap>(stub => Minimap.RenderMapPreview( new Map( stub.Path )));
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public MapPreviewWidget() : base() { }
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protected MapPreviewWidget(MapPreviewWidget other)
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: base(other)
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{
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lastMap = other.lastMap;
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Map = other.Map;
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SpawnColors = other.SpawnColors;
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}
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public override Widget Clone() { return new MapPreviewWidget(this); }
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public int2 ConvertToPreview(Map map, int2 point)
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{
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return new int2(MapRect.X + (int)(PreviewScale*(point.X - map.Bounds.Left)) , MapRect.Y + (int)(PreviewScale*(point.Y - map.Bounds.Top)));
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}
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Sheet mapChooserSheet;
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Sprite mapChooserSprite;
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Map lastMap;
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Rectangle MapRect;
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float PreviewScale = 0;
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public override void DrawInner()
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{
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var map = Map();
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if( map == null ) return;
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if (lastMap != map)
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{
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lastMap = map;
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// Update image data
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var preview = PreviewCache[map];
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if( mapChooserSheet == null || mapChooserSheet.Size.Width != preview.Width || mapChooserSheet.Size.Height != preview.Height )
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mapChooserSheet = new Sheet(new Size( preview.Width, preview.Height ) );
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mapChooserSheet.Texture.SetData( preview );
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mapChooserSprite = new Sprite( mapChooserSheet, new Rectangle( 0, 0, map.Bounds.Width, map.Bounds.Height ), TextureChannel.Alpha );
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// Update map rect
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PreviewScale = Math.Min(RenderBounds.Width * 1.0f / map.Bounds.Width, RenderBounds.Height * 1.0f / map.Bounds.Height);
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var size = Math.Max(map.Bounds.Width, map.Bounds.Height);
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var dw = (int)(PreviewScale * (size - map.Bounds.Width)) / 2;
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var dh = (int)(PreviewScale * (size - map.Bounds.Height)) / 2;
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MapRect = new Rectangle(RenderBounds.X + dw, RenderBounds.Y + dh, (int)(map.Bounds.Width * PreviewScale), (int)(map.Bounds.Height * PreviewScale));
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}
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Game.Renderer.RgbaSpriteRenderer.DrawSprite( mapChooserSprite,
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new float2(MapRect.Location),
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new float2( MapRect.Size ) );
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// Overlay spawnpoints
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var colors = SpawnColors();
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foreach (var p in map.SpawnPoints)
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{
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var owned = colors.ContainsKey(p);
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var pos = ConvertToPreview(map, p);
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var sprite = ChromeProvider.GetImage("spawnpoints", owned ? "owned" : "unowned");
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var offset = new int2(-sprite.bounds.Width/2, -sprite.bounds.Height/2);
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if (owned)
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WidgetUtils.FillRectWithColor(new Rectangle(pos.X + offset.X + 2, pos.Y + offset.Y + 2, 12, 12), colors[p]);
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Game.Renderer.RgbaSpriteRenderer.DrawSprite(sprite, pos + offset);
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}
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}
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}
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}
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