89 lines
2.3 KiB
C#
89 lines
2.3 KiB
C#
#region Copyright & License Information
|
|
/*
|
|
* Copyright 2007-2011 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.Drawing;
|
|
using OpenRA.FileFormats.Graphics;
|
|
|
|
namespace OpenRA.Graphics
|
|
{
|
|
public class LineRenderer : Renderer.IBatchRenderer
|
|
{
|
|
public float LineWidth = 1f;
|
|
static float2 offset = new float2(0.5f,0.5f);
|
|
|
|
Renderer renderer;
|
|
IShader shader;
|
|
|
|
Vertex[] vertices = new Vertex[ Renderer.TempBufferSize ];
|
|
int nv = 0;
|
|
|
|
public LineRenderer( Renderer renderer, IShader shader )
|
|
{
|
|
this.renderer = renderer;
|
|
this.shader = shader;
|
|
}
|
|
|
|
public void Flush()
|
|
{
|
|
if( nv > 0 )
|
|
{
|
|
shader.Render( () =>
|
|
{
|
|
var vb = renderer.GetTempVertexBuffer();
|
|
vb.SetData( vertices, nv );
|
|
renderer.SetLineWidth(LineWidth * Game.viewport.Zoom);
|
|
renderer.DrawBatch( vb, 0, nv, PrimitiveType.LineList );
|
|
} );
|
|
|
|
nv = 0;
|
|
}
|
|
}
|
|
|
|
public void DrawRect( float2 tl, float2 br, Color c )
|
|
{
|
|
var tr = new float2( br.X, tl.Y );
|
|
var bl = new float2( tl.X, br.Y );
|
|
DrawLine( tl, tr, c, c );
|
|
DrawLine( tl, bl, c, c );
|
|
DrawLine( tr, br, c, c );
|
|
DrawLine( bl, br, c, c );
|
|
}
|
|
|
|
public void DrawLine( float2 start, float2 end, Color startColor, Color endColor )
|
|
{
|
|
Renderer.CurrentBatchRenderer = this;
|
|
|
|
if( nv + 2 > Renderer.TempBufferSize )
|
|
Flush();
|
|
|
|
vertices[ nv++ ] = new Vertex( start + offset,
|
|
new float2( startColor.R / 255.0f, startColor.G / 255.0f ),
|
|
new float2( startColor.B / 255.0f, startColor.A / 255.0f ) );
|
|
|
|
vertices[ nv++ ] = new Vertex( end + offset,
|
|
new float2( endColor.R / 255.0f, endColor.G / 255.0f ),
|
|
new float2( endColor.B / 255.0f, endColor.A / 255.0f ) );
|
|
}
|
|
|
|
public void FillRect( RectangleF r, Color color )
|
|
{
|
|
for (float y = r.Top; y < r.Bottom; y++)
|
|
DrawLine(new float2(r.Left, y), new float2(r.Right, y), color, color);
|
|
}
|
|
|
|
public void SetShaderParams(ITexture palette, Size screen, float zoom, float2 scroll)
|
|
{
|
|
shader.SetVec("Scroll", (int)scroll.X, (int)scroll.Y);
|
|
shader.SetVec("r1", zoom*2f/screen.Width, -zoom*2f/screen.Height);
|
|
shader.SetVec("r2", -1, 1);
|
|
}
|
|
}
|
|
}
|