78 lines
2.0 KiB
C#
78 lines
2.0 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2010 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 LICENSE.
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*/
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#endregion
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using System.Drawing;
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using OpenRA.FileFormats.Graphics;
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namespace OpenRA.Graphics
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{
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public class LineRenderer : Renderer.IBatchRenderer
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{
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Renderer renderer;
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Vertex[] vertices = new Vertex[ Renderer.TempBufferSize ];
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ushort[] indices = new ushort[ Renderer.TempBufferSize ];
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int nv = 0, ni = 0;
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public LineRenderer( Renderer renderer )
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{
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this.renderer = renderer;
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}
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public void Flush()
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{
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if( ni > 0 )
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{
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renderer.LineShader.Render( () =>
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{
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var vb = renderer.GetTempVertexBuffer();
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var ib = renderer.GetTempIndexBuffer();
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vb.SetData( vertices, nv );
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ib.SetData( indices, ni );
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renderer.DrawBatch( vb, ib,
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nv, ni / 2, PrimitiveType.LineList );
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} );
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nv = 0; ni = 0;
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}
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}
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public void DrawLine( float2 start, float2 end, Color startColor, Color endColor )
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{
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Renderer.CurrentBatchRenderer = this;
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if( ni + 2 > Renderer.TempBufferSize )
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Flush();
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if( nv + 2 > Renderer.TempBufferSize )
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Flush();
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indices[ ni++ ] = (ushort)nv;
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vertices[ nv++ ] = new Vertex( start,
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new float2( startColor.R / 255.0f, startColor.G / 255.0f ),
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new float2( startColor.B / 255.0f, startColor.A / 255.0f ) );
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indices[ ni++ ] = (ushort)nv;
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vertices[ nv++ ] = new Vertex( end,
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new float2( endColor.R / 255.0f, endColor.G / 255.0f ),
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new float2( endColor.B / 255.0f, endColor.A / 255.0f ) );
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}
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public void FillRect( RectangleF r, Color color )
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{
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for (float y = r.Top; y < r.Bottom; y++)
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{
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DrawLine(new float2(r.Left, y), new float2(r.Right, y), color, color);
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}
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}
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}
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}
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