124 lines
3.6 KiB
C#
Executable File
124 lines
3.6 KiB
C#
Executable File
using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Linq;
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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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class MapPreviewWidget : Widget
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{
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Sheet mapChooserSheet;
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Sprite mapChooserSprite;
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bool mapPreviewDirty = true;
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MapStub lastMap;
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public Func<MapStub> Map = () => null;
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public Action<int> OnSpawnClick = spawn => {};
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public Func<Dictionary<int2, Color>> SpawnColors = () => new Dictionary<int2, Color>();
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public MapPreviewWidget() : base() { }
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static Cache<MapStub,Bitmap> PreviewCache = new Cache<MapStub, Bitmap>(stub => Minimap.RenderMapPreview(stub));
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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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OnSpawnClick = other.OnSpawnClick;
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SpawnColors = other.SpawnColors;
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}
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static Sprite UnownedSpawn = null;
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static Sprite OwnedSpawn = null;
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const int closeEnough = 50;
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public override bool HandleInput(MouseInput mi)
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{
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var map = Map();
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if (map == null)
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return false;
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if (mi.Event == MouseInputEvent.Down && mi.Button == MouseButton.Left)
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{
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var p = map.Waypoints
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.Select((sp, i) => Pair.New(map.ConvertToPreview(sp.Value, RenderBounds), i))
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.Where(a => (a.First - mi.Location).LengthSquared < closeEnough)
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.Select(a => a.Second + 1)
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.FirstOrDefault();
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OnSpawnClick(p);
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return true;
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}
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return false;
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}
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public override Widget Clone() { return new MapPreviewWidget(this); }
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public override void DrawInner( World world )
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{
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if (UnownedSpawn == null)
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UnownedSpawn = ChromeProvider.GetImage(Game.chrome.renderer, "spawnpoints", "unowned");
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if (OwnedSpawn == null)
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OwnedSpawn = ChromeProvider.GetImage(Game.chrome.renderer, "spawnpoints", "owned");
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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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mapPreviewDirty = true;
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lastMap = map;
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}
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var mapRect = map.PreviewBounds( RenderBounds );
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if( mapPreviewDirty )
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{
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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( Game.renderer, 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.Width, map.Height ), TextureChannel.Alpha );
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mapPreviewDirty = false;
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}
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Game.chrome.renderer.RgbaSpriteRenderer.DrawSprite( mapChooserSprite,
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new float2( mapRect.Location ),
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"chrome",
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new float2( mapRect.Size ) );
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DrawSpawnPoints( map, world );
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}
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void DrawSpawnPoints(MapStub map, World world)
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{
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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 pos = map.ConvertToPreview(p, RenderBounds);
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var sprite = UnownedSpawn;
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var offset = new int2(-UnownedSpawn.bounds.Width/2, -UnownedSpawn.bounds.Height/2);
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if (colors.ContainsKey(p))
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{
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sprite = OwnedSpawn;
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offset = new int2(-OwnedSpawn.bounds.Width/2, -OwnedSpawn.bounds.Height/2);
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Game.chrome.lineRenderer.FillRect(new RectangleF(
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Game.viewport.Location.X + pos.X + offset.X + 2,
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Game.viewport.Location.Y + pos.Y + offset.Y + 2,
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12, 12), colors[p]);
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}
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Game.chrome.renderer.RgbaSpriteRenderer.DrawSprite(sprite, pos + offset, "chrome");
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}
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Game.chrome.lineRenderer.Flush();
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Game.chrome.renderer.RgbaSpriteRenderer.Flush();
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}
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}
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}
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