Add (Polygon|Circle|Line)AnnotationRenderable.

OpenRA.Mods.Common/Graphics/CircleAnnotationRenderable.cs

@@ -0,0 +1,75 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2019 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 OpenRA.Graphics;
+using OpenRA.Primitives;
+
+namespace OpenRA.Mods.Common.Graphics
+{
+	public struct CircleAnnotationRenderable : IRenderable, IFinalizedRenderable
+	{
+		const int CircleSegments = 32;
+		static readonly WVec[] FacingOffsets = Exts.MakeArray(CircleSegments, i => new WVec(1024, 0, 0).Rotate(WRot.FromFacing(i * 256 / CircleSegments)));
+
+		readonly WPos centerPosition;
+		readonly WDist radius;
+		readonly int width;
+		readonly Color color;
+		readonly bool filled;
+
+		public CircleAnnotationRenderable(WPos centerPosition, WDist radius, int width, Color color, bool filled = false)
+		{
+			this.centerPosition = centerPosition;
+			this.radius = radius;
+			this.width = width;
+			this.color = color;
+			this.filled = filled;
+		}
+
+		public WPos Pos { get { return centerPosition; } }
+		public PaletteReference Palette { get { return null; } }
+		public int ZOffset { get { return 0; } }
+		public bool IsDecoration { get { return true; } }
+
+		public IRenderable WithPalette(PaletteReference newPalette) { return new CircleAnnotationRenderable(centerPosition, radius, width, color, filled); }
+		public IRenderable WithZOffset(int newOffset) { return new CircleAnnotationRenderable(centerPosition, radius, width, color, filled); }
+		public IRenderable OffsetBy(WVec vec) { return new CircleAnnotationRenderable(centerPosition + vec, radius, width, color, filled); }
+		public IRenderable AsDecoration() { return this; }
+
+		public IFinalizedRenderable PrepareRender(WorldRenderer wr) { return this; }
+		public void Render(WorldRenderer wr)
+		{
+			var wcr = Game.Renderer.WorldRgbaColorRenderer;
+			if (filled)
+			{
+				var offset = new WVec(radius.Length, radius.Length, 0);
+				var tl = wr.Screen3DPosition(centerPosition - offset);
+				var br = wr.Screen3DPosition(centerPosition + offset);
+
+				wcr.FillEllipse(tl, br, color);
+			}
+			else
+			{
+				var r = radius.Length;
+				var a = wr.Screen3DPosition(centerPosition + r * FacingOffsets[CircleSegments - 1] / 1024);
+				for (var i = 0; i < CircleSegments; i++)
+				{
+					var b = wr.Screen3DPosition(centerPosition + r * FacingOffsets[i] / 1024);
+					wcr.DrawLine(a, b, width / wr.Viewport.Zoom, color);
+					a = b;
+				}
+			}
+		}
+
+		public void RenderDebugGeometry(WorldRenderer wr) { }
+		public Rectangle ScreenBounds(WorldRenderer wr) { return Rectangle.Empty; }
+	}
+}

OpenRA.Mods.Common/Graphics/LineAnnotationRenderable.cs

@@ -0,0 +1,61 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2019 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 OpenRA.Graphics;
+using OpenRA.Primitives;
+
+namespace OpenRA.Mods.Common.Graphics
+{
+	public struct LineAnnotationRenderable : IRenderable, IFinalizedRenderable
+	{
+		readonly WPos start;
+		readonly WPos end;
+		readonly float width;
+		readonly Color startColor;
+		readonly Color endColor;
+
+		public LineAnnotationRenderable(WPos start, WPos end, float width, Color color)
+		{
+			this.start = start;
+			this.end = end;
+			this.width = width;
+			startColor = endColor = color;
+		}
+
+		public LineAnnotationRenderable(WPos start, WPos end, float width, Color startColor, Color endColor)
+		{
+			this.start = start;
+			this.end = end;
+			this.width = width;
+			this.startColor = startColor;
+			this.endColor = endColor;
+		}
+
+		public WPos Pos { get { return start; } }
+		public PaletteReference Palette { get { return null; } }
+		public int ZOffset { get { return 0; } }
+		public bool IsDecoration { get { return true; } }
+
+		public IRenderable WithPalette(PaletteReference newPalette) { return new LineAnnotationRenderable(start, end, width, startColor, endColor); }
+		public IRenderable WithZOffset(int newOffset) { return new LineAnnotationRenderable(start, end, width, startColor, endColor); }
+		public IRenderable OffsetBy(WVec vec) { return new LineAnnotationRenderable(start + vec, end + vec, width, startColor, endColor); }
+		public IRenderable AsDecoration() { return this; }
+
+		public IFinalizedRenderable PrepareRender(WorldRenderer wr) { return this; }
+		public void Render(WorldRenderer wr)
+		{
+			Game.Renderer.WorldRgbaColorRenderer.DrawLine(wr.Screen3DPosition(start), wr.Screen3DPosition(end), width / wr.Viewport.Zoom, startColor, endColor);
+		}
+
+		public void RenderDebugGeometry(WorldRenderer wr) { }
+		public Rectangle ScreenBounds(WorldRenderer wr) { return Rectangle.Empty; }
+	}
+}

OpenRA.Mods.Common/Graphics/PolygonAnnotationRenderable.cs

@@ -0,0 +1,53 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2019 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 PolygonAnnotationRenderable : IRenderable, IFinalizedRenderable
+	{
+		readonly WPos[] vertices;
+		readonly WPos effectivePos;
+		readonly int width;
+		readonly Color color;
+
+		public PolygonAnnotationRenderable(WPos[] vertices, WPos effectivePos, int width, Color color)
+		{
+			this.vertices = vertices;
+			this.effectivePos = effectivePos;
+			this.width = width;
+			this.color = color;
+		}
+
+		public WPos Pos { get { return effectivePos; } }
+		public PaletteReference Palette { get { return null; } }
+		public int ZOffset { get { return 0; } }
+		public bool IsDecoration { get { return true; } }
+
+		public IRenderable WithPalette(PaletteReference newPalette) { return new PolygonAnnotationRenderable(vertices, effectivePos, width, color); }
+		public IRenderable WithZOffset(int newOffset) { return new PolygonAnnotationRenderable(vertices, effectivePos, width, color); }
+		public IRenderable OffsetBy(WVec vec) { return new PolygonAnnotationRenderable(vertices.Select(v => v + vec).ToArray(), effectivePos + vec, width, color); }
+		public IRenderable AsDecoration() { return this; }
+
+		public IFinalizedRenderable PrepareRender(WorldRenderer wr) { return this; }
+		public void Render(WorldRenderer wr)
+		{
+			var verts = vertices.Select(wr.Screen3DPosition).ToArray();
+			Game.Renderer.WorldRgbaColorRenderer.DrawPolygon(verts, width / wr.Viewport.Zoom, color);
+		}
+
+		public void RenderDebugGeometry(WorldRenderer wr) { }
+		public Rectangle ScreenBounds(WorldRenderer wr) { return Rectangle.Empty; }
+	}
+}