diff --git a/OpenRA.Game/Graphics/RgbaColorRenderer.cs b/OpenRA.Game/Graphics/RgbaColorRenderer.cs new file mode 100644 index 0000000000..0cfdfeb72d --- /dev/null +++ b/OpenRA.Game/Graphics/RgbaColorRenderer.cs @@ -0,0 +1,129 @@ +#region Copyright & License Information +/* + * Copyright 2007-2015 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. For more information, + * see COPYING. + */ +#endregion + +using System; +using System.Collections.Generic; +using System.Drawing; + +namespace OpenRA.Graphics +{ + public class RgbaColorRenderer : Renderer.IBatchRenderer + { + static readonly float2 Offset = new float2(0.5f, 0.5f); + + readonly Renderer renderer; + readonly IShader shader; + readonly Action renderAction; + + readonly Vertex[] vertices; + int nv = 0; + + public RgbaColorRenderer(Renderer renderer, IShader shader) + { + this.renderer = renderer; + this.shader = shader; + vertices = new Vertex[renderer.TempBufferSize]; + renderAction = () => renderer.DrawBatch(vertices, nv, PrimitiveType.QuadList); + } + + public void Flush() + { + if (nv > 0) + { + renderer.Device.SetBlendMode(BlendMode.Alpha); + shader.Render(renderAction); + renderer.Device.SetBlendMode(BlendMode.None); + + nv = 0; + } + } + + public void DrawLine(float2 start, float2 end, float width, Color color) + { + renderer.CurrentBatchRenderer = this; + + if (nv + 4 > renderer.TempBufferSize) + Flush(); + + var delta = (end - start) / (end - start).Length; + var corner = width / 2 * new float2(-delta.Y, delta.X); + + color = Util.PremultiplyAlpha(color); + var r = color.R / 255.0f; + var g = color.G / 255.0f; + var b = color.B / 255.0f; + var a = color.A / 255.0f; + + vertices[nv++] = new Vertex(start - corner + Offset, r, g, b, a); + vertices[nv++] = new Vertex(start + corner + Offset, r, g, b, a); + vertices[nv++] = new Vertex(end + corner + Offset, r, g, b, a); + vertices[nv++] = new Vertex(end - corner + Offset, r, g, b, a); + } + + public void FillRect(float2 tl, float2 br, Color color) + { + renderer.CurrentBatchRenderer = this; + + if (nv + 4 > renderer.TempBufferSize) + Flush(); + + color = Util.PremultiplyAlpha(color); + var r = color.R / 255.0f; + var g = color.G / 255.0f; + var b = color.B / 255.0f; + var a = color.A / 255.0f; + + vertices[nv++] = new Vertex(new float2(tl.X, tl.Y) + Offset, r, g, b, a); + vertices[nv++] = new Vertex(new float2(br.X, tl.Y) + Offset, r, g, b, a); + vertices[nv++] = new Vertex(new float2(br.X, br.Y) + Offset, r, g, b, a); + vertices[nv++] = new Vertex(new float2(tl.X, br.Y) + Offset, r, g, b, a); + } + + public void FillRect(float2 a, float2 b, float2 c, float2 d, Color color) + { + renderer.CurrentBatchRenderer = this; + + if (nv + 4 > renderer.TempBufferSize) + Flush(); + + color = Util.PremultiplyAlpha(color); + var cr = color.R / 255.0f; + var cg = color.G / 255.0f; + var cb = color.B / 255.0f; + var ca = color.A / 255.0f; + + vertices[nv++] = new Vertex(a + Offset, cr, cg, cb, ca); + vertices[nv++] = new Vertex(b + Offset, cr, cg, cb, ca); + vertices[nv++] = new Vertex(c + Offset, cr, cg, cb, ca); + vertices[nv++] = new Vertex(d + Offset, cr, cg, cb, ca); + } + + public void FillEllipse(RectangleF r, Color color, int vertices = 32) + { + // TODO: Create an ellipse polygon instead + var a = (r.Right - r.Left) / 2; + var b = (r.Bottom - r.Top) / 2; + var xc = (r.Right + r.Left) / 2; + var yc = (r.Bottom + r.Top) / 2; + for (var y = r.Top; y <= r.Bottom; y++) + { + var dx = a * (float)Math.Sqrt(1 - (y - yc) * (y - yc) / b / b); + DrawLine(new float2(xc - dx, y), new float2(xc + dx, y), 1, color); + } + } + + public void SetViewportParams(Size screen, float zoom, int2 scroll) + { + shader.SetVec("Scroll", scroll.X, scroll.Y); + shader.SetVec("r1", zoom * 2f / screen.Width, -zoom * 2f / screen.Height); + shader.SetVec("r2", -1, 1); + } + } +} diff --git a/OpenRA.Game/OpenRA.Game.csproj b/OpenRA.Game/OpenRA.Game.csproj index 830dbf0b39..23dd37ba76 100644 --- a/OpenRA.Game/OpenRA.Game.csproj +++ b/OpenRA.Game/OpenRA.Game.csproj @@ -252,6 +252,7 @@ + diff --git a/OpenRA.Game/Renderer.cs b/OpenRA.Game/Renderer.cs index 6e01b39813..c3952a9769 100644 --- a/OpenRA.Game/Renderer.cs +++ b/OpenRA.Game/Renderer.cs @@ -24,8 +24,10 @@ namespace OpenRA public SpriteRenderer WorldRgbaSpriteRenderer { get; private set; } public QuadRenderer WorldQuadRenderer { get; private set; } public LineRenderer WorldLineRenderer { get; private set; } + public RgbaColorRenderer WorldRgbaColorRenderer { get; private set; } public VoxelRenderer WorldVoxelRenderer { get; private set; } public LineRenderer LineRenderer { get; private set; } + public RgbaColorRenderer RgbaColorRenderer { get; private set; } public SpriteRenderer RgbaSpriteRenderer { get; private set; } public SpriteRenderer SpriteRenderer { get; private set; } public IReadOnlyDictionary Fonts; @@ -62,10 +64,12 @@ namespace OpenRA WorldSpriteRenderer = new SpriteRenderer(this, Device.CreateShader("shp")); WorldRgbaSpriteRenderer = new SpriteRenderer(this, Device.CreateShader("rgba")); - WorldLineRenderer = new LineRenderer(this, Device.CreateShader("line")); + WorldLineRenderer = new LineRenderer(this, Device.CreateShader("color")); + WorldRgbaColorRenderer = new RgbaColorRenderer(this, Device.CreateShader("color")); WorldVoxelRenderer = new VoxelRenderer(this, Device.CreateShader("vxl")); - LineRenderer = new LineRenderer(this, Device.CreateShader("line")); - WorldQuadRenderer = new QuadRenderer(this, Device.CreateShader("line")); + LineRenderer = new LineRenderer(this, Device.CreateShader("color")); + RgbaColorRenderer = new RgbaColorRenderer(this, Device.CreateShader("color")); + WorldQuadRenderer = new QuadRenderer(this, Device.CreateShader("color")); RgbaSpriteRenderer = new SpriteRenderer(this, Device.CreateShader("rgba")); SpriteRenderer = new SpriteRenderer(this, Device.CreateShader("shp")); @@ -118,6 +122,7 @@ namespace OpenRA RgbaSpriteRenderer.SetViewportParams(Resolution, 1f, int2.Zero); SpriteRenderer.SetViewportParams(Resolution, 1f, int2.Zero); LineRenderer.SetViewportParams(Resolution, 1f, int2.Zero); + RgbaColorRenderer.SetViewportParams(Resolution, 1f, int2.Zero); } // If zoom evaluates as different due to floating point weirdness that's OK, setting the parameters again is harmless. @@ -129,6 +134,7 @@ namespace OpenRA WorldSpriteRenderer.SetViewportParams(Resolution, zoom, scroll); WorldVoxelRenderer.SetViewportParams(Resolution, zoom, scroll); WorldLineRenderer.SetViewportParams(Resolution, zoom, scroll); + WorldRgbaColorRenderer.SetViewportParams(Resolution, zoom, scroll); WorldQuadRenderer.SetViewportParams(Resolution, zoom, scroll); } } diff --git a/glsl/line.frag b/glsl/color.frag similarity index 100% rename from glsl/line.frag rename to glsl/color.frag diff --git a/glsl/line.vert b/glsl/color.vert similarity index 100% rename from glsl/line.vert rename to glsl/color.vert