public static int loadFromFile(string url, int filter_far, int filter_near)
{
try
{
Texture tex = new Texture();
tex.bitmap = Texture.loadBMP(url);
if (tex.bitmap == null) { return -1; }
GL.GenTextures(1, out tex.ID);
tex.Bind();
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, filter_far);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, filter_near);
GL.GetTexParameter(TextureTarget.Texture2D, GetTextureParameter.TextureMagFilter, out tex.filterFar);
GL.GetTexParameter(TextureTarget.Texture2D, GetTextureParameter.TextureMinFilter, out tex.filterNear);
Rectangle rect = new Rectangle(0, 0, tex.bitmap.Width, tex.bitmap.Height);
System.Drawing.Imaging.BitmapData bitmapdata = tex.bitmap.LockBits(rect, System.Drawing.Imaging.ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, tex.bitmap.Width, tex.bitmap.Height, 0, PixelFormat.Rgba, PixelType.UnsignedByte, bitmapdata.Scan0);
tex.bitmap.Dispose();
return tex.ID;
}
catch(ArgumentException)
{
Debug.Trace("Class Texture: Error creating Bitmap: " + url);
return -1;
}
}
public void Render(ref Frustum frustum)
{
Frustum.InFrustumCheck nodeInFrustum = frustum.CubeInFrustum(mainNode.BoundingBox3D);
if (((nodeInFrustum != Frustum.InFrustumCheck.OUT) && (mainNode.HasChilds())))
{
bool checkFrustum = true;
// if all boundingbox corner where inside the frustum, there is no need to check the childs too
if (nodeInFrustum == Frustum.InFrustumCheck.IN)
{
checkFrustum = false;
}
Core.pushState();
//GL.Scale(terrainRef.scale);
//GL.Translate(terrainRef.position);
GL.Disable(EnableCap.Lighting);
GL.Color4(1.0, 1.0, 1.0, 0);
GL.EnableClientState(ArrayCap.VertexArray);
GL.EnableClientState(ArrayCap.TextureCoordArray);
if (terrainRef.TextureID != -1)
{
Texture.Bind(terrainRef.TextureID);
GL.Enable(EnableCap.Texture2D);
}
CheckNodeInsideFrustum(ref frustum, ref mainNode, checkFrustum);
if (terrainRef.TextureID != -1)
{
GL.Disable(EnableCap.Texture2D);
}
GL.DisableClientState(ArrayCap.TextureCoordArray);
GL.DisableClientState(ArrayCap.VertexArray);
Core.popState();
}
return;
}
