Exemplo n.º 1
0
        protected override void Render3D(Viewport3D vp)
        {
            base.Render3D(vp);

            if (_currentTool != null)
            {
                _currentTool.Render3D(vp);
            }

            TextureHelper.Unbind();

            if (_currentTool == null || _currentTool.DrawVertices())
            {
                // Get us into 2D rendering
                Matrix.Set(MatrixMode.Projection);
                Matrix.Identity();
                Graphics.Helpers.Viewport.Orthographic(0, 0, vp.Width, vp.Height);
                Matrix.Set(MatrixMode.Modelview);
                Matrix.Identity();

                var half = new Coordinate(vp.Width, vp.Height, 0) / 2;
                // Render out the point handles
                GL.Begin(PrimitiveType.Quads);
                foreach (var point in Points)
                {
                    if (point.IsMidPoint && _showPoints == ShowPoints.Vertices)
                    {
                        continue;
                    }
                    if (!point.IsMidPoint && _showPoints == ShowPoints.Midpoints)
                    {
                        continue;
                    }

                    var c = vp.WorldToScreen(point.Coordinate);
                    if (c == null || c.Z > 1)
                    {
                        continue;
                    }
                    c -= half;

                    GL.Color3(Color.Black);
                    GL.Vertex2(c.DX - 4, c.DY - 4);
                    GL.Vertex2(c.DX - 4, c.DY + 4);
                    GL.Vertex2(c.DX + 4, c.DY + 4);
                    GL.Vertex2(c.DX + 4, c.DY - 4);

                    GL.Color3(point.GetColour());
                    GL.Vertex2(c.DX - 3, c.DY - 3);
                    GL.Vertex2(c.DX - 3, c.DY + 3);
                    GL.Vertex2(c.DX + 3, c.DY + 3);
                    GL.Vertex2(c.DX + 3, c.DY - 3);
                }
                GL.End();

                // Get back into 3D rendering
                Matrix.Set(MatrixMode.Projection);
                Matrix.Identity();
                Graphics.Helpers.Viewport.Perspective(0, 0, vp.Width, vp.Height, View.CameraFOV);
                Matrix.Set(MatrixMode.Modelview);
                Matrix.Identity();
                vp.Camera.Position();
            }

            var  type      = vp.Type;
            bool shaded    = type == Viewport3D.ViewType.Shaded || type == Viewport3D.ViewType.Textured,
                 textured  = type == Viewport3D.ViewType.Textured,
                 wireframe = type == Viewport3D.ViewType.Wireframe;

            // Render out the solid previews
            GL.Color3(Color.White);
            var faces = _copies.Keys.SelectMany(x => x.Faces).ToList();

            if (!wireframe)
            {
                if (shaded)
                {
                    MapObjectRenderer.EnableLighting();
                }
                GL.Enable(EnableCap.Texture2D);
                MapObjectRenderer.DrawFilled(faces.Where(x => !x.IsSelected), Color.FromArgb(255, 64, 192, 64), textured);
                MapObjectRenderer.DrawFilled(faces.Where(x => x.IsSelected), Color.FromArgb(255, 255, 128, 128), textured);
                GL.Disable(EnableCap.Texture2D);
                MapObjectRenderer.DisableLighting();

                GL.Color3(Color.Pink);
                MapObjectRenderer.DrawWireframe(faces, true, false);
            }
            else
            {
                GL.Color4(Color.FromArgb(255, 64, 192, 64));
                MapObjectRenderer.DrawWireframe(faces.Where(x => !x.IsSelected), true, false);
                GL.Color4(Color.FromArgb(255, 255, 128, 128));
                MapObjectRenderer.DrawWireframe(faces.Where(x => x.IsSelected), true, false);
            }
        }