public void Update(float deltaTime, TerrainEditorTool selectedTool, TerrainRaycastResult rayIntersection)
{
terrainPhys.Terrain = terrain;
if (terrain != null)
{
if (operationBatch.Count > 0)
{
ApplyOperationBatch();
screen.UI.SetMidStatus("");
}
else if (undoBatch != null)
{
redoStack.Push(undoBatch.GenerateUndo());
undoBatch.Apply();
undoBatch = null;
screen.UI.SetMidStatus("");
}
else if (redoBatch != null)
{
undoStack.Push(redoBatch.GenerateUndo());
redoBatch.Apply();
redoBatch = null;
screen.UI.SetMidStatus("");
}
// Update selected tool
if (selectedTool != null)
{
// Process global intersection handling
if (rayIntersection.Intersects && !GUISystem.HandledMouseInput)
{
if (Input.GetMouseButton(MouseButton.Middle))
{
// Pick color
BlockColor = rayIntersection.Block.Value.GetColor();
}
else if (Input.GetMouseButtonDown(MouseButton.Left))
{
// Begin select
if (selectedTool.AllowUserSelecting())
{
SelectionBox.SetPrimary(selectedTool.GetRayIntersectionIndex(rayIntersection));
IsSelecting = true;
}
}
else if (Input.GetMouseButtonUp(MouseButton.Left))
{
IsSelecting = false;
}
else if (IsSelecting)
{
// Update selection box
bool ctrl = Input.IsControlHeld;
bool alt = Input.IsAltHeld;
if (ctrl && alt)
{
SelectionBox.SetSecondary(selectedTool.GetRayIntersectionIndex(rayIntersection));
}
else if (ctrl)
{
IndexPosition sp = selectedTool.GetRayIntersectionIndex(rayIntersection);
IndexPosition delta = new IndexPosition(
Math.Abs(sp.X - SelectionBox.Primary.X),
Math.Abs(sp.Y - SelectionBox.Primary.Y),
Math.Abs(sp.Z - SelectionBox.Primary.Z));
IndexPosition fSp;
if (delta.X >= delta.Y && delta.X >= delta.Z)
{
// X normal
fSp = new IndexPosition(sp.X, SelectionBox.Primary.Y, SelectionBox.Primary.Z);
}
else if (delta.Y >= delta.X && delta.Y >= delta.Z)
{
// Y normal
fSp = new IndexPosition(SelectionBox.Primary.X, sp.Y, SelectionBox.Primary.Z);
}
else
{
// Z normal
fSp = new IndexPosition(SelectionBox.Primary.X, SelectionBox.Primary.Y, sp.Z);
}
SelectionBox.SetSecondary(fSp);
}
else
{
SelectionBox.SetSecondary(SelectionBox.Primary);
}
}
}
}
// Preform undo/redo
if (Input.IsControlHeld)
{
if (Input.GetKeyDown(Key.Z))
{
if (undoStack.Count > 0)
{
undoBatch = undoStack.Pop();
}
}
else if (Input.GetKeyDown(Key.Y))
{
if (redoStack.Count > 0)
{
redoBatch = redoStack.Pop();
}
}
}
// Show 'apply dialog' before application freezes from operation
if (operationBatch.Count > 0 || undoBatch != null || redoBatch != null)
{
screen.UI.SetMidStatus("Applying Operation...");
}
}
}