public TextureForm( string filePath )
{
InitializeComponent( );
m_RenderState = Graphics.Factory.CreateRenderState( );
m_RenderState.Enable2dTextures = true;
m_RenderState.Enable2dTextureUnit( 0, true );
m_RenderState.Colour = Color.Red;
m_FilePath = filePath;
}
/// <summary>
/// Renders the grid as a texture
/// </summary>
private void RenderTexture( )
{
if ( m_TextureState == null )
{
m_TextureState = Graphics.Factory.CreateRenderState( );
m_TextureState.Lighting = false;
m_TextureState.Enable2dTextures = true;
m_TextureState.Enable2dTextureUnit(0, true );
ITexture2d texture = Graphics.Factory.CreateTexture2d( );
texture.Load( GridSquareBitmap, true, TextureUsage.Normal );
m_Sampler = Graphics.Factory.CreateTexture2dSampler( );
m_Sampler.Texture = texture;
m_Sampler.Mode = TextureMode.Replace;
m_Sampler.MinFilter = TextureFilter.NearestTexelLinearMipMap;
m_Sampler.MagFilter = TextureFilter.NearestTexelLinearMipMap;
m_Sampler.WrapS = TextureWrap.Repeat;
m_Sampler.WrapT = TextureWrap.Repeat;
}
// For the moment, let's just render a giant quad with a texture :(
// TODO: AP: Render a grid of quads centered on the camera position projected onto the ground plane
Graphics.Renderer.PushRenderState( m_TextureState );
m_Sampler.Begin( );
Gl.glBegin( Gl.GL_QUADS );
Gl.glTexCoord2f( MinU, MinV );
Gl.glVertex3f( MinX, Y, MinZ );
Gl.glTexCoord2f( MaxU, MinV );
Gl.glVertex3f( MaxX, Y, MinZ );
Gl.glTexCoord2f( MaxU, MaxV );
Gl.glVertex3f( MaxX, Y, MaxZ );
Gl.glTexCoord2f( MinU, MaxV );
Gl.glVertex3f( MinX, Y, MaxZ );
Gl.glEnd( );
m_Sampler.End( );
Graphics.Renderer.PopRenderState( );
}
