243 lines
7.4 KiB
C#
243 lines
7.4 KiB
C#
#region Copyright & License Information
|
|
/*
|
|
* Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
|
|
* This file is part of OpenRA.
|
|
*
|
|
* OpenRA is free software: you can redistribute it and/or modify
|
|
* it 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.
|
|
*
|
|
* OpenRA is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with OpenRA. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#endregion
|
|
|
|
using System;
|
|
using System.Drawing;
|
|
using System.Drawing.Text;
|
|
using System.Reflection;
|
|
using System.Windows.Forms;
|
|
using OpenRa.FileFormats;
|
|
using OpenRa.FileFormats.Graphics;
|
|
using OpenRa.Support;
|
|
using System.IO;
|
|
using ISE;
|
|
using Tao.OpenGl;
|
|
|
|
namespace OpenRa.Graphics
|
|
{
|
|
internal class Renderer
|
|
{
|
|
internal static int SheetSize;
|
|
|
|
readonly IGraphicsDevice device;
|
|
|
|
public IShader SpriteShader { get; private set; } /* note: shared shader params */
|
|
public IShader LineShader { get; private set; }
|
|
public IShader RgbaSpriteShader { get; private set; }
|
|
public IShader WorldSpriteShader { get; private set; }
|
|
|
|
public ITexture PaletteTexture;
|
|
|
|
readonly Font fDebug, fTitle;
|
|
readonly FTFontGL testFont, boldFont;
|
|
|
|
Sheet textSheet;
|
|
SpriteRenderer rgbaRenderer;
|
|
Sprite textSprite;
|
|
|
|
const int RenderedSize = 48;
|
|
|
|
public Size Resolution { get { return device.WindowSize; } }
|
|
|
|
public Renderer(Size resolution, bool windowed)
|
|
{
|
|
device = CreateDevice( Assembly.LoadFile( Path.GetFullPath( "OpenRa.Gl.dll" ) ), resolution.Width, resolution.Height, windowed, false );
|
|
|
|
SpriteShader = device.CreateShader(FileSystem.Open("world-shp.fx"));
|
|
LineShader = device.CreateShader(FileSystem.Open("line.fx"));
|
|
RgbaSpriteShader = device.CreateShader(FileSystem.Open("chrome-rgba.fx"));
|
|
WorldSpriteShader = device.CreateShader(FileSystem.Open("chrome-shp.fx"));
|
|
|
|
fDebug = new Font("Tahoma", 10.0f, FontStyle.Regular);
|
|
fTitle = new Font("Tahoma", 10, FontStyle.Bold);
|
|
|
|
int Errors;
|
|
testFont = new FTFontGL("FreeSans.ttf", out Errors);
|
|
|
|
if (Errors > 0)
|
|
throw new InvalidOperationException("Error(s) loading font");
|
|
|
|
testFont.ftRenderToTexture(RenderedSize, 192);
|
|
testFont.FT_ALIGN = FTFontAlign.FT_ALIGN_LEFT;
|
|
|
|
boldFont = new FTFontGL("FreeSansBold.ttf", out Errors);
|
|
if (Errors > 0)
|
|
throw new InvalidOperationException("Error(s) loading font");
|
|
|
|
boldFont.ftRenderToTexture(RenderedSize, 192);
|
|
boldFont.FT_ALIGN = FTFontAlign.FT_ALIGN_LEFT;
|
|
|
|
|
|
textSheet = new Sheet(this, new Size(256, 256));
|
|
rgbaRenderer = new SpriteRenderer(this, true, RgbaSpriteShader);
|
|
textSprite = new Sprite(textSheet, new Rectangle(0, 0, 256, 256), TextureChannel.Alpha);
|
|
}
|
|
|
|
IGraphicsDevice CreateDevice( Assembly rendererDll, int width, int height, bool fullscreen, bool vsync )
|
|
{
|
|
foreach( RendererAttribute r in rendererDll.GetCustomAttributes( typeof( RendererAttribute ), false ) )
|
|
{
|
|
return (IGraphicsDevice)r.Type.GetConstructor( new Type[] { typeof( int ), typeof( int ), typeof( bool ), typeof( bool ) } )
|
|
.Invoke( new object[] { width, height, fullscreen, vsync } );
|
|
}
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
/* Bitmap RenderTextToBitmap(string s, Font f, Color c)
|
|
{
|
|
Bitmap b = new Bitmap(256, 256);
|
|
testFont.ftBeginFont(0.9f,0.0f,0.0f,0.5f);
|
|
testFont.ftWrite("Test",b);
|
|
testFont.ftEndFont();
|
|
|
|
/*using (var g = System.Drawing.Graphics.FromImage(b))
|
|
{
|
|
g.TextRenderingHint = TextRenderingHint.SingleBitPerPixelGridFit;
|
|
g.DrawString(s, f, new SolidBrush(c), 0, 0);
|
|
g.Flush();
|
|
}*/
|
|
// return b;
|
|
// }
|
|
|
|
int2 GetTextSize(string s, Font f)
|
|
{
|
|
return new int2(50,100);
|
|
/*Bitmap b = new Bitmap(1,1);
|
|
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(b);
|
|
return new int2(g.MeasureString(s, f).ToSize());*/
|
|
}
|
|
|
|
public IGraphicsDevice Device { get { return device; } }
|
|
|
|
public void BeginFrame(float2 r1, float2 r2, float2 scroll)
|
|
{
|
|
device.Begin();
|
|
device.Clear(Color.Black);
|
|
|
|
SetShaderParams( SpriteShader, r1, r2, scroll );
|
|
SetShaderParams( LineShader, r1, r2, scroll );
|
|
SetShaderParams( RgbaSpriteShader, r1, r2, scroll );
|
|
SetShaderParams( WorldSpriteShader, r1, r2, scroll );
|
|
}
|
|
|
|
private void SetShaderParams( IShader s, float2 r1, float2 r2, float2 scroll )
|
|
{
|
|
s.SetValue( "Palette", PaletteTexture );
|
|
s.SetValue( "Scroll", scroll.X, scroll.Y );
|
|
s.SetValue( "r1", r1.X, r1.Y );
|
|
s.SetValue( "r2", r2.X, r2.Y );
|
|
s.Commit();
|
|
}
|
|
|
|
public void EndFrame()
|
|
{
|
|
device.End();
|
|
device.Present();
|
|
}
|
|
|
|
public void DrawBatch<T>(IVertexBuffer<T> vertices, IIndexBuffer indices,
|
|
Range<int> vertexRange, Range<int> indexRange, ITexture texture, PrimitiveType type, IShader shader)
|
|
where T : struct
|
|
{
|
|
shader.SetValue("DiffuseTexture", texture);
|
|
shader.Commit();
|
|
|
|
vertices.Bind();
|
|
indices.Bind();
|
|
|
|
device.DrawIndexedPrimitives(type, vertexRange, indexRange);
|
|
|
|
PerfHistory.Increment("batches", 1);
|
|
}
|
|
|
|
public void DrawBatch<T>(IVertexBuffer<T> vertices, IIndexBuffer indices,
|
|
int vertexPool, int numPrimitives, ITexture texture, PrimitiveType type)
|
|
where T : struct
|
|
{
|
|
SpriteShader.SetValue("DiffuseTexture", texture);
|
|
SpriteShader.Commit();
|
|
|
|
vertices.Bind();
|
|
indices.Bind();
|
|
|
|
device.DrawIndexedPrimitives(type, vertexPool, numPrimitives);
|
|
|
|
PerfHistory.Increment("batches", 1);
|
|
}
|
|
|
|
static void CheckError()
|
|
{
|
|
var e = Gl.glGetError();
|
|
if (e != Gl.GL_NO_ERROR)
|
|
throw new InvalidOperationException("GL Error: " + Gl.glGetString(e));
|
|
}
|
|
|
|
const float emHeight = 14f; /* px */
|
|
|
|
void DrawTextInner(FTFontGL f, string text, int2 pos, Color c)
|
|
{
|
|
using (new PerfSample("text"))
|
|
{
|
|
pos.Y += (int)(emHeight * 2 / 3);
|
|
|
|
Gl.glMatrixMode(Gl.GL_MODELVIEW);
|
|
Gl.glPushMatrix();
|
|
Gl.glLoadIdentity();
|
|
|
|
Gl.glMatrixMode(Gl.GL_PROJECTION);
|
|
Gl.glPushMatrix();
|
|
Gl.glLoadIdentity();
|
|
|
|
Gl.glOrtho(0, Resolution.Width, 0, Resolution.Height, 0, 1);
|
|
|
|
Gl.glMatrixMode(Gl.GL_MODELVIEW);
|
|
Gl.glTranslatef(pos.X, Resolution.Height - pos.Y, 0);
|
|
Gl.glScalef(emHeight / RenderedSize, emHeight / RenderedSize, 1);
|
|
|
|
f.ftBeginFont(false);
|
|
Gl.glColor4f(c.R / 255f, c.G / 255f, c.B / 255f, c.A / 255f);
|
|
f.ftWrite(text);
|
|
f.ftEndFont();
|
|
|
|
Gl.glMatrixMode(Gl.GL_PROJECTION);
|
|
Gl.glPopMatrix();
|
|
|
|
Gl.glMatrixMode(Gl.GL_MODELVIEW);
|
|
Gl.glPopMatrix();
|
|
|
|
CheckError();
|
|
}
|
|
}
|
|
|
|
public void DrawText(string text, int2 pos, Color c) { DrawTextInner(testFont, text, pos, c); }
|
|
public void DrawText2(string text, int2 pos, Color c) { DrawTextInner(boldFont, text, pos, c); }
|
|
|
|
public int2 MeasureText(string text)
|
|
{
|
|
return new int2((int)(testFont.ftExtent(ref text) / 3), (int)emHeight);
|
|
}
|
|
|
|
public int2 MeasureText2(string text)
|
|
{
|
|
return new int2((int)(boldFont.ftExtent(ref text) / 3), (int)emHeight);
|
|
}
|
|
}
|
|
}
|