Implement isometric selection boxes for TS structures.

2020-03-21 16:00:52 +00:00
parent 88cdad4189
commit 9f3254dbd1
14 changed files with 686 additions and 106 deletions
--- a/OpenRA.Mods.Common/Graphics/IsometricSelectionBoxAnnotationRenderable.cs
+++ b/OpenRA.Mods.Common/Graphics/IsometricSelectionBoxAnnotationRenderable.cs
@@ -0,0 +1,83 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2020 The OpenRA Developers (see AUTHORS)
+ * 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.Linq;
+using OpenRA.Graphics;
+using OpenRA.Primitives;
+
+namespace OpenRA.Mods.Common.Graphics
+{
+	public struct IsometricSelectionBoxAnnotationRenderable : IRenderable, IFinalizedRenderable
+	{
+		static readonly float2 TLOffset = new float2(-12, -6);
+		static readonly float2 TROffset = new float2(12, -6);
+		static readonly float2 TOffset = new float2(0, -13);
+		static readonly float2[] Offsets =
+		{
+			-TROffset, -TLOffset, -TOffset,
+			TROffset, -TOffset, -TLOffset,
+			-TLOffset, TOffset, TROffset,
+			TLOffset, TROffset, TOffset,
+			-TROffset, TOffset, TLOffset,
+			TLOffset, -TOffset, -TROffset
+		};
+
+		readonly WPos pos;
+		readonly Polygon bounds;
+		readonly Color color;
+
+		public IsometricSelectionBoxAnnotationRenderable(Actor actor, Polygon bounds, Color color)
+		{
+			pos = actor.CenterPosition;
+			this.bounds = bounds;
+			this.color = color;
+		}
+
+		public IsometricSelectionBoxAnnotationRenderable(WPos pos, Polygon bounds, Color color)
+		{
+			this.pos = pos;
+			this.bounds = bounds;
+			this.color = color;
+		}
+
+		public WPos Pos { get { return pos; } }
+
+		public PaletteReference Palette { get { return null; } }
+		public int ZOffset { get { return 0; } }
+		public bool IsDecoration { get { return true; } }
+
+		public IRenderable WithPalette(PaletteReference newPalette) { return this; }
+		public IRenderable WithZOffset(int newOffset) { return this; }
+		public IRenderable OffsetBy(WVec vec) { return new IsometricSelectionBoxAnnotationRenderable(pos + vec, bounds, color); }
+		public IRenderable AsDecoration() { return this; }
+
+		public IFinalizedRenderable PrepareRender(WorldRenderer wr) { return this; }
+
+		public void Render(WorldRenderer wr)
+		{
+			var screen = bounds.Vertices.Select(v => wr.Viewport.WorldToViewPx(v).ToFloat2()).ToArray();
+
+			var tl = new float2(-12, -6);
+			var tr = new float2(12, -6);
+			var t = new float2(0, -13);
+
+			var cr = Game.Renderer.RgbaColorRenderer;
+			for (var i = 0; i < 6; i++)
+			{
+				cr.DrawLine(new float3[] { screen[i] + Offsets[3 * i], screen[i], screen[i] + Offsets[3 * i + 1] }, 1, color, true);
+				cr.DrawLine(new float3[] { screen[i], screen[i] + Offsets[3 * i + 2] }, 1, color, true);
+			}
+		}
+
+		public void RenderDebugGeometry(WorldRenderer wr) { }
+		public Rectangle ScreenBounds(WorldRenderer wr) { return Rectangle.Empty; }
+	}
+}