public void DrawTextured(object context, Coordinate cameraLocation, ShaderProgram program)
{
// Todo abstract this out a bit, repeated code all over the place
_array.Bind(context, 0);
foreach (var subset in _array.TextureSubsets)
{
var tex = subset.Instance;
if (tex != null) tex.Bind();
else TextureHelper.Unbind();
program.Set("isTextured", tex != null);
_array.Array.DrawElements(0, subset.Start, subset.Count);
}
_array.Bind(context, 1);
foreach (var subset in _array.TransparentSubsets.OrderByDescending(x => (cameraLocation - x.Instance.Origin).LengthSquared()))
{
var tf = subset.Instance;
if (tf.Texture != null) tf.Texture.Bind();
else TextureHelper.Unbind();
program.Set("isTextured", tf.Texture != null);
_array.Array.DrawElements(0, subset.Start, subset.Count);
}
_array.Unbind();
GL.Disable(EnableCap.CullFace);
_decalArray.Bind(context, 0);
foreach (var subset in _decalArray.TextureSubsets)
{
var tex = subset.Instance;
if (tex != null) tex.Bind();
else TextureHelper.Unbind();
program.Set("isTextured", tex != null);
_decalArray.Array.DrawElements(0, subset.Start, subset.Count);
}
_decalArray.Unbind();
GL.Enable(EnableCap.CullFace);
}
public MapObject3DShader()
{
Shader = new ShaderProgram(GetShader(ShaderType.VertexShader), GetShader(ShaderType.FragmentShader));
Shader.Bind();
Perspective = Camera = ModelView = SelectionTransform = Matrix4.Identity;
IsTextured = true;
IsLit = true;
Show3DGrid = false;
GridSpacing = 64;
SelectionColourMultiplier = new Vector4(1, 0.5f, 0.5f, 1);
Transformation = Matrix4.Identity;
GL.ActiveTexture(TextureUnit.Texture0);
Shader.Set("currentTexture", 0);
Shader.Unbind();
}