/// <summary>
/// Draw the contents of a given tab. If the tab contains a scene,
/// this scene is drawn. If the tab is in loading or failed state,
/// the corresponding info screen will be drawn.
/// </summary>
/// <param name="activeTab">Tab containing the scene to be drawn</param>
public void Draw(Tab activeTab)
{
GL.DepthMask(true);
GL.ClearColor(BackgroundColor);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
var ui = Window.UiState.ActiveTab;
// draw viewport 3D contents
if (ui.ActiveScene != null)
{
var index = Tab.ViewIndex.Index0;
foreach (var viewport in ui.ActiveViews)
{
// always draw the active viewport last
if (viewport == null || ui.ActiveViewIndex == index)
{
++index;
continue;
}
var view = viewport.Bounds;
var cam = viewport.ActiveCameraControllerForView();
DrawViewport(cam, activeTab, view.X, view.Y, view.Z, view.W, ui.ActiveViewIndex == index);
++index;
}
var activeVp = ui.ActiveViews[(int)ui.ActiveViewIndex];
Debug.Assert(activeVp != null);
var activeVpBounds = activeVp.Bounds;
DrawViewport(activeVp.ActiveCameraControllerForView(),
activeTab,
activeVpBounds.X,
activeVpBounds.Y,
activeVpBounds.Z,
activeVpBounds.W, true);
if (ui.ActiveViewMode != Tab.ViewMode.Single)
{
SetFullViewport();
}
if (Window.UiState.ShowFps)
{
DrawFps();
}
if (!_window.IsDraggingViewportSeparator)
{
if (!_hudHidden)
{
DrawHud();
}
}
else
{
_textOverlay.WantRedrawNextFrame = true;
_hudHidden = true;
}
}
else
{
SetFullViewport();
if (activeTab.State == Tab.TabState.Failed)
{
DrawFailureSplash(activeTab.ErrorMessage);
}
else if (activeTab.State == Tab.TabState.Loading)
{
DrawLoadingSplash();
}
else
{
Debug.Assert(activeTab.State == Tab.TabState.Empty);
DrawNoSceneSplash();
}
}
_textOverlay.Draw();
// draw viewport finishing (i.e. contours)
if (ui.ActiveScene != null && ui.ActiveViewMode != Tab.ViewMode.Single)
{
var index = Tab.ViewIndex.Index0;
foreach (var viewport in ui.ActiveViews)
{
// always draw the active viewport last
if (viewport == null || ui.ActiveViewIndex == index)
{
++index;
continue;
}
var view = viewport.Bounds;
DrawViewportPost(view.X, view.Y, view.Z, view.W, false);
++index;
}
var activeVp = ui.ActiveViews[(int)ui.ActiveViewIndex];
Debug.Assert(activeVp != null);
var activeVpBounds = activeVp.Bounds;
DrawViewportPost(activeVpBounds.X, activeVpBounds.Y, activeVpBounds.Z, activeVpBounds.W, true);
}
// handle other Gl jobs such as drawing preview images - components
// use this event to register their jobs.
OnGlExtraDrawJob();
}
public UiState(Tab defaultTab)
{
DefaultFont10 = new Font("Segoe UI", 8);
DefaultFont12 = new Font("Segoe UI", 12);
DefaultFont16 = new Font("Segoe UI", 18);
Tabs = new List<Tab> { defaultTab };
ActiveTab = defaultTab;
}
public void OnMouseClick(MouseEventArgs mouseEventArgs, Vector4 viewport, Tab.ViewIndex viewIndex)
{
// a bit hacky - the click is processed by the render routine. But this is by
// far the simplest way to get this done without duplicating code.
if (_mousePos.X > _hoverRegion.Left && _mousePos.X <= _hoverRegion.Right &&
_mousePos.Y > _hoverRegion.Top && _mousePos.Y <= _hoverRegion.Bottom)
{
_mouseClickPos = mouseEventArgs.Location;
_processHudClick = true;
_hudDirty = true;
}
}
/// <summary>
/// Draw a scene to a viewport using an ICameraController to specify the camera.
/// </summary>
/// <param name="view">Active cam controller for this viewport</param>
/// <param name="activeTab">Scene to be drawn</param>
/// <param name="xs">X-axis starting point of the viewport in range [0,1]</param>
/// <param name="ys">Y-axis starting point of the viewport in range [0,1]</param>
/// <param name="xe">X-axis end point of the viewport in range [0,1]</param>
/// <param name="ye">X-axis end point of the viewport in range [0,1]</param>
/// <param name="active"></param>
private void DrawViewport(ICameraController view, Tab activeTab, double xs, double ys, double xe,
double ye, bool active = false)
{
// update viewport
var w = (double) RenderResolution.Width;
var h = (double) RenderResolution.Height;
var vw = (int) ((xe - xs)*w);
var vh = (int) ((ye - ys)*h);
GL.Viewport((int) (xs*w), (int) (ys*h), (int) ((xe - xs)*w), (int) ((ye - ys)*h));
DrawViewportColorsPre(active);
var aspectRatio = (float)vw/vh;
// set a proper perspective matrix for rendering
Matrix4 perspective = Matrix4.CreatePerspectiveFieldOfView(MathHelper.PiOver4, aspectRatio, 0.001f, 100.0f);
GL.MatrixMode(MatrixMode.Projection);
GL.LoadMatrix(ref perspective);
if (activeTab.ActiveScene != null)
{
DrawScene(activeTab.ActiveScene, view);
}
}
public TabPage TabPageForTab(Tab tab)
{
return((TabPage)tab.Id);
}
public void RemoveTab(Tab tab)
{
RemoveTab(tab.Id);
}
public TabPage TabPageForTab(Tab tab)
{
return (TabPage) tab.Id;
}
public void RemoveTab(Tab tab)
{
RemoveTab(tab.Id);
}
/// <summary>
/// Opens a particular 3D model and assigns it to a particular tab.
/// May be called on a non-GUI-thread.
/// </summary>
private void OpenFile(Tab tab, bool setActive)
{
try
{
tab.ActiveScene = new Scene(tab.File);
CoreSettings.CoreSettings.Default.CountFilesOpened++;
}
catch(Exception ex)
{
tab.SetFailed(ex.Message);
}
var updateTitle = new MethodInvoker(() =>
{
var t = (TabPage)tab.Id;
if (!t.Text.EndsWith(LoadingTitlePostfix))
{
return;
}
t.Text = t.Text.Substring(0,t.Text.Length - LoadingTitlePostfix.Length);
if (tab.State == Tab.TabState.Failed)
{
t.Text = t.Text + FailedTitlePostfix;
}
});
// Must use BeginInvoke() here to make sure it gets executed
// on the thread hosting the GUI message pump. An exception
// are potential calls coming from our own c'tor: at this
// time the window handle is not ready yet and BeginInvoke()
// is thus not available.
if (!_initialized)
{
if (setActive)
{
SelectTab((TabPage) tab.Id);
}
PopulateInspector(tab);
updateTitle();
}
else
{
if (setActive)
{
BeginInvoke(_delegateSelectTab, new[] {tab.Id});
}
BeginInvoke(_delegatePopulateInspector, new object[] { tab });
BeginInvoke(updateTitle);
}
}
/// <summary>
/// Populate the inspector view for a given tab. This can be called
/// as soon as the scene to be displayed is loaded, i.e. tab.ActiveScene is non-null.
/// </summary>
/// <param name="tab"></param>
public void PopulateInspector(Tab tab)
{
var ui = UiForTab(tab);
Debug.Assert(ui != null);
var inspector = ui.GetInspector();
inspector.SetSceneSource(tab.ActiveScene);
}
/// <summary>
/// Open a new tab given a scene file to load. If the specified scene is
/// already open in a tab, the existing
/// tab is selected in the UI (if requested) and no tab is added.
/// </summary>
/// <param name="file">Source file</param>
/// <param name="async">Specifies whether the data is loaded asynchr.</param>
/// <param name="setActive">Specifies whether the newly added tab will
/// be selected when the loading process is complete.</param>
public void AddTab(string file, bool async = true, bool setActive = true)
{
AddRecentItem(file);
// check whether the scene is already loaded
for (int j = 0; j < tabControl1.TabPages.Count; ++j)
{
var tab = UiState.TabForId(tabControl1.TabPages[j]);
Debug.Assert(tab != null);
if(tab.File == file)
{
// if so, activate its tab and return
if(setActive)
{
SelectTab(tabControl1.TabPages[j]);
}
return;
}
}
var key = GenerateTabKey();
tabControl1.TabPages.Add(key, GenerateTabCaption(file) + LoadingTitlePostfix);
var ui = tabControl1.TabPages[key];
ui.ToolTipText = file;
tabControl1.ShowToolTips = true;
PopulateUITab(ui);
var t = new Tab(ui, file);
UiState.AddTab(t);
if (TabChanged != null)
{
TabChanged(t, true);
}
if (async)
{
var th = new Thread(() => OpenFile(t, setActive));
th.Start();
}
else
{
OpenFile(t, setActive);
}
if (_emptyTab != null)
{
CloseTab(_emptyTab);
}
}
private void SetViewportDragCursor(Tab.ViewSeparator sep)
{
switch (sep)
{
case Tab.ViewSeparator.Horizontal:
Cursor = Cursors.HSplit;
break;
case Tab.ViewSeparator.Vertical:
Cursor = Cursors.VSplit;
break;
case Tab.ViewSeparator.Both:
Cursor = Cursors.SizeAll;
break;
default:
throw new ArgumentOutOfRangeException();
}
}
public TabUiSkeleton UiForTab(Tab tab)
{
return ((TabUiSkeleton) ((TabPage) tab.Id).Controls[0]);
}
/// <summary>
/// Set a particular tab as selected. This sets the "ActiveTab"
/// property to the tab object. This does *not* update the UI.
/// </summary>
/// <param name="id">Unique id of the tab to be selected</param>
public void SelectTab(object id)
{
foreach (var ts in Tabs.Where(ts => ts.Id == id))
{
ActiveTab = ts;
return;
}
Debug.Assert(false, "tab with id not found: " + id.ToString());
}
public TabUiSkeleton UiForTab(Tab tab)
{
return ((TabUiSkeleton) TabPageForTab(tab).Controls[0]);
}
public void SelectTab(Tab tab)
{
SelectTab(tab.Id);
}
/// <summary>
/// Draw the contents of a given tab. If the tab contains a scene,
/// this scene is drawn. If the tab is in loading or failed state,
/// the corresponding info screen will be drawn.
/// </summary>
/// <param name="activeTab">Tab containing the scene to be drawn</param>
public void Draw(Tab activeTab)
{
GL.DepthMask(true);
GL.ClearColor(BackgroundColor);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
var ui = Window.UiState.ActiveTab;
// draw viewport 3D contents
if (ui.ActiveScene != null)
{
var index = Tab.ViewIndex.Index0;
foreach (var viewport in ui.ActiveViews)
{
// always draw the active viewport last
if (viewport == null || ui.ActiveViewIndex == index)
{
++index;
continue;
}
var view = viewport.Bounds;
var cam = viewport.ActiveCameraControllerForView();
DrawViewport(cam, activeTab, view.X, view.Y, view.Z, view.W, ui.ActiveViewIndex == index);
++index;
}
var activeVp = ui.ActiveViews[(int)ui.ActiveViewIndex];
Debug.Assert(activeVp != null);
var activeVpBounds = activeVp.Bounds;
DrawViewport(activeVp.ActiveCameraControllerForView(),
activeTab,
activeVpBounds.X,
activeVpBounds.Y,
activeVpBounds.Z,
activeVpBounds.W, true);
if (ui.ActiveViewMode != Tab.ViewMode.Single)
{
SetFullViewport();
}
if (Window.UiState.ShowFps)
{
DrawFps();
}
if (!_window.IsDraggingViewportSeparator)
{
if (!_hudHidden)
{
DrawHud();
}
}
else
{
_textOverlay.WantRedrawNextFrame = true;
_hudHidden = true;
}
}
else
{
SetFullViewport();
if (activeTab.State == Tab.TabState.Failed)
{
DrawFailureSplash(activeTab.ErrorMessage);
}
else if (activeTab.State == Tab.TabState.Loading)
{
DrawLoadingSplash();
}
else
{
Debug.Assert(activeTab.State == Tab.TabState.Empty);
DrawNoSceneSplash();
}
}
_textOverlay.Draw();
// draw viewport finishing (i.e. contours)
if (ui.ActiveScene != null && ui.ActiveViewMode != Tab.ViewMode.Single)
{
var index = Tab.ViewIndex.Index0;
foreach (var viewport in ui.ActiveViews)
{
// always draw the active viewport last
if (viewport == null || ui.ActiveViewIndex == index)
{
++index;
continue;
}
var view = viewport.Bounds;
DrawViewportPost(view.X, view.Y, view.Z, view.W, false);
++index;
}
var activeVp = ui.ActiveViews[(int) ui.ActiveViewIndex];
Debug.Assert(activeVp != null);
var activeVpBounds = activeVp.Bounds;
DrawViewportPost(activeVpBounds.X, activeVpBounds.Y,activeVpBounds.Z, activeVpBounds.W, true);
}
// handle other Gl jobs such as drawing preview images - components
// use this event to register their jobs.
OnGlExtraDrawJob();
}
/// <summary>
/// Add a tab with a given ID. The selected tab is not changed by this
/// operation.
/// </summary>
/// <param name="id">Tag object. The ID member of this tab must be
/// unique for all tabs (during the entire lifetime of the tab).</param>
public void AddTab(Tab tab)
{
#if DEBUG
Debug.Assert(!Tabs.Contains(tab), "tab exists already:" + tab.Id.ToString());
foreach (Tab ts in Tabs)
{
Debug.Assert(ts.Id != tab.Id, "tab id exists already: " + tab.Id.ToString());
}
#endif
Tabs.Add(tab);
}
public void OnMouseMove(MouseEventArgs mouseEventArgs, Vector4 viewport, Tab.ViewIndex viewIndex)
{
_mousePos = mouseEventArgs.Location;
if (_mousePos.X > _hoverRegion.Left && _mousePos.X <= _hoverRegion.Right &&
_mousePos.Y > _hoverRegion.Top && _mousePos.Y <= _hoverRegion.Bottom)
{
_hudDirty = true;
}
if (viewport == _hoverViewport)
{
return;
}
_hudDirty = true;
_hoverViewport = viewport;
_hoverViewIndex = viewIndex;
_hoverFadeInTime = HudHoverTime;
_hudHidden = false;
}
public TabUiSkeleton UiForTab(Tab tab)
{
return((TabUiSkeleton)TabPageForTab(tab).Controls[0]);
}
public void SelectTab(Tab tab)
{
SelectTab(tab.Id);
}
