/// <summary>
/// Draw the voxel editor and interface
/// </summary>
public override void Draw(TimeSpan frameStepTime)
{
game.GraphicsDevice.Clear(new Color(64, 64, 64));
gridRenderer.Draw(spriteBatch.GraphicsDevice, editorCamera);
base.Draw(frameStepTime);
}
private void Render()
{
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadIdentity();
Matrix4 modelview = Matrix4.LookAt(0, 0, _realCamera.Z, 0, 0, 0, 0, 1, 0);
GL.LoadMatrix(ref modelview);
GL.Rotate(_realCamera.Yaw, Vector3.UnitX);
GL.Rotate(_realCamera.Roll, Vector3.UnitY);
GL.Rotate(_realCamera.Pan, Vector3.UnitZ);
//Draw things
GL.Color3(Color);
GL.PointSize(PointSize);
GL.Disable(EnableCap.Lighting);
_pointCloudRenderer.Draw();
_gridRenderer.Draw();
GL.Enable(EnableCap.Lighting);
_objectRenderer.Draw();
SwapBuffers();
}
protected override void OnDraw(SpriteBatch batch)
{
GraphicsDevice.Clear(AppColors.WindowBackground);
batch.Begin(SpriteSortMode.FrontToBack);
// grid
GridRenderer.Draw(batch, new Vector2(AppConstants.GridX, AppConstants.GridY));
batch.End();
batch.Begin();
var y = AppConstants.GridY + 10;
// time
batch.DrawBitmapFont(AppContents.DefaultFont, new Vector2(AppConstants.GridRight, y), "Time:", AppColors.Descriptions);
batch.DrawBitmapFont(AppContents.DefaultFont, new Vector2(AppConstants.WindowWidth - AppConstants.ScreenPadding - 140, y), TimeSpan.FromSeconds(Session.Time).ToString(@"hh\:mm\:ss"), AppColors.Texts);
y += AppContents.DefaultFont.Data.LineHeight + 15;
// score
batch.DrawBitmapFont(AppContents.DefaultFont, new Vector2(AppConstants.GridRight, y), $"Score:", AppColors.Descriptions);
batch.DrawBitmapFont(AppContents.DefaultFont, new Vector2(AppConstants.WindowWidth - AppConstants.ScreenPadding - 140, y), Session.Score.ToString("n0"), AppColors.Texts);
y += AppContents.DefaultFont.Data.LineHeight + 15;
batch.DrawBitmapFont(AppContents.DefaultFont, new Vector2(AppConstants.GridRight, y), $"Atoms:", AppColors.Descriptions);
batch.DrawBitmapFont(AppContents.DefaultFont, new Vector2(AppConstants.WindowWidth - AppConstants.ScreenPadding - 140, y), Session.Atoms.ToString("n0"), AppColors.Texts);
y += AppContents.DefaultFont.Data.LineHeight + 5;
batch.DrawBitmapFont(AppContents.DefaultFont, new Vector2(AppConstants.GridRight, y), $"Molecules:", AppColors.Descriptions);
batch.DrawBitmapFont(AppContents.DefaultFont, new Vector2(AppConstants.WindowWidth - AppConstants.ScreenPadding - 140, y), Session.Molecules.ToString("n0"), AppColors.Texts);
y += AppContents.DefaultFont.Data.LineHeight + 5;
// current/next atom
y = AppConstants.WindowHeight - AppConstants.ScreenPadding - AppConstants.PreviewBoxHeight - AppContents.DefaultFont.Data.LineHeight - 8;
batch.DrawBitmapFont(AppContents.DefaultFont, new Vector2(AppConstants.GridRight, y), "Current", AppColors.Descriptions);
batch.DrawBitmapFont(AppContents.DefaultFont, new Vector2(AppConstants.GridRight + AppConstants.PreviewBoxWidth + AppConstants.PreviewBoxPadding, y), "Next", AppColors.Descriptions);
y += AppContents.DefaultFont.Data.LineHeight + 8;
batch.DrawRect(new Rectangle(AppConstants.GridRight, y, AppConstants.PreviewBoxWidth, AppConstants.PreviewBoxHeight), 1, AppColors.PreviewBorder);
batch.DrawRect(new Rectangle(AppConstants.GridRight + AppConstants.PreviewBoxWidth + AppConstants.PreviewBoxPadding, y, AppConstants.PreviewBoxWidth, AppConstants.PreviewBoxHeight), 1, AppColors.PreviewBorder);
if (Session.CurrentAtom != null)
{
Session.CurrentAtom.Draw(batch,
pos: new Vector2(
AppConstants.GridRight + AppConstants.PreviewBoxWidth / 2,
y + AppConstants.PreviewBoxHeight / 2), layerDepth: LayerDepth.Default);
}
if (Session.NextAtom != null)
{
Session.NextAtom.Draw(batch,
pos: new Vector2(
AppConstants.GridRight + AppConstants.PreviewBoxWidth + AppConstants.PreviewBoxPadding + AppConstants.PreviewBoxWidth / 2,
y + AppConstants.PreviewBoxHeight / 2),
layerDepth: LayerDepth.Default);
}
// atom grid preview
if (Session.CurrentAtom != null && IsMouseOverGrid() && IsOnTop)
{
var gridPos = GetMouseGridPos();
if (Grid.IsValidPos(gridPos.X, gridPos.Y) && !Grid.HasAtom(gridPos.X, gridPos.Y))
{
if (Grid.CanSet(gridPos.X, gridPos.Y, Session.CurrentAtom))
{
Session.CurrentAtom.Draw(batch, new Vector2(
AppConstants.GridX + gridPos.X * Grid.TileSize + Grid.TileSize / 2,
AppConstants.GridY + gridPos.Y * Grid.TileSize + Grid.TileSize / 2),
LayerDepth.Default,
AppColors.AtomValidPos);
}
else
{
Session.CurrentAtom.Draw(batch, new Vector2(
AppConstants.GridX + gridPos.X * Grid.TileSize + Grid.TileSize / 2,
AppConstants.GridY + gridPos.Y * Grid.TileSize + Grid.TileSize / 2),
LayerDepth.Default,
AppColors.AtomInvalidPos);
}
}
}
batch.End();
}
void OnGUI () {
if (_gridRenderer == null) _gridRenderer = new GridRenderer();
Event currentEvent = Event.current;
Rect scrollViewRect = new Rect(0, 0, position.width - SidebarWidth, position.height);
Rect sidebarRect = new Rect(position.width - SidebarWidth, 0, SidebarWidth, position.height);
OperatorInspector.DrawInspector(sidebarRect);
ScrollPoint = GUI.BeginScrollView(scrollViewRect, ScrollPoint, Canvas);
bool needsRepaint = false;
// Mouse wheel event to control zoom
if (currentEvent.type == EventType.ScrollWheel) {
float previousZoom = Zoom;
Vector2 pivotPoint = currentEvent.mousePosition / Zoom;
float wheelDelta = Event.current.delta.y > 0 ? -0.1f : 0.1f;
// Apply the delta to the zoom level and clamp to min and max
Zoom = (Zoom + wheelDelta).Clamp(MinZoom, MaxZoom);
Zoom = (float) System.Math.Round(Zoom, 2);
if (previousZoom != Zoom) {
// Keep the viewport anchored to the position of the mouse cursor
float zoomDelta = Zoom - previousZoom;
ScrollPoint += pivotPoint * zoomDelta;
// Repaint if there was a zoom change (after clamping)
needsRepaint = true;
}
currentEvent.Use();
}
Canvas = new Rect(0f, 0f, CanvasWidth * Zoom, CanvasHeight * Zoom);
_gridRenderer.Draw(ScrollPoint, Zoom, Canvas);
if (Template != null) {
// Draw the connections
Template.DrawConnections();
// Draw the nodes
string[] guids = new string[Template.Operators.Count];
Template.Operators.Keys.CopyTo(guids, 0);
for (int i = 0; i < guids.Length; i++) {
Node node = GetNode(guids[i]); // kvp.Key = GUID
needsRepaint = needsRepaint || node.EventsNeedRepaint(Zoom, this);
node.Draw(Zoom);
}
// Handle left mouse button events
if (currentEvent.button == 0) {
// MouseDown
if (currentEvent.type == EventType.MouseDown && CurrentEvent.Type == GEType.None) {
CurrentEvent = new GraphEvent(GEType.Unresolved, GEContext.Grid, null, IOOutlet.None, currentEvent.mousePosition);
}
// MouseDrag
if (currentEvent.type == EventType.MouseDrag && CurrentEvent.IsType(GEType.Unresolved, GEType.Drag) && CurrentEvent.Context == GEContext.Grid) {
if (currentEvent.delta.magnitude > 0) {
CurrentEvent = new GraphEvent(GEType.Drag, GEContext.Grid, null, IOOutlet.None);
ScrollPoint.x += - currentEvent.delta.x;
ScrollPoint.y += - currentEvent.delta.y;
needsRepaint = true;
}
}
// MouseUp
if (currentEvent.type == EventType.MouseUp) {
if (CurrentEvent.Type == GEType.Unresolved && CurrentEvent.Context == GEContext.Grid) {
Selection.Clear();
needsRepaint = true;
}
needsRepaint = needsRepaint || CurrentEvent.IsConnecting();
CurrentEvent.Empty();
}
} // Left mouse down/drag/up
// Right mouse button
if (currentEvent.type == EventType.ContextClick) {
var menu = new GenericMenu();
var opTypes = Operator.GetAvailableOperators();
foreach (var opType in opTypes) {
string menuLabel = opType.Name;
var meta = System.Attribute.GetCustomAttribute(opType, typeof(OperatorMetadataAttribute)) as OperatorMetadataAttribute;
if (meta != null) {
menuLabel = meta.Category + "/" + (meta.Title != null ? meta.Title : opType.Name);
}
var payload = new MenuActionPayload() {OperatorType=opType, Position=currentEvent.mousePosition / Zoom};
menu.AddItem(new GUIContent(menuLabel), false, MenuAction, payload);
}
menu.ShowAsContext();
}
if (currentEvent.isKey && currentEvent.keyCode == KeyCode.Delete) {
foreach (var node in Selection.Nodes) {
Template.RemoveOperator(node.Operator);
}
Selection.Clear();
needsRepaint = true;
}
}
if (needsRepaint) {
Repaint();
}
GUI.EndScrollView();
// Current Zoom level
float zoomLabelWidth = 150f;
float zoomLabelHeight = 20f;
Rect zoomLabelRect = new Rect(position.width - SidebarWidth - zoomLabelWidth - 20f, position.height - zoomLabelHeight - 20f, zoomLabelWidth, zoomLabelHeight);
if (LabelStyle == null) {
LabelStyle = new GUIStyle();
LabelStyle.normal.textColor = Color.white;
LabelStyle.alignment = TextAnchor.LowerRight;
}
GUI.Label(zoomLabelRect, string.Format("Zoom: {0}%", Zoom * 100f), LabelStyle);
} // OnGUI