public void Add(IAction action)
{
if(action.GetType() == typeof(SelectionAction) && firstSelectionAction == null)
firstSelectionAction = (SelectionAction)action;
else if (action.GetType() == typeof(BiomeAction) && firstBiomeAction == null)
firstBiomeAction = (BiomeAction)action;
else if (action.GetType() == typeof(PopulateAction) && firstPopulateAction == null)
firstPopulateAction = (PopulateAction)action;
//ensure the first action of each type isn't lost when the redo stack is emptied
if(firstSelectionAction != null && action != firstSelectionAction && redoStack.Contains(firstSelectionAction))
{
redoStack.Remove(firstSelectionAction);
undoStack.AddLast(firstSelectionAction);
}
if (firstBiomeAction != null && action != firstBiomeAction && redoStack.Contains(firstBiomeAction))
{
redoStack.Remove(firstBiomeAction);
undoStack.AddLast(firstBiomeAction);
}
if (firstPopulateAction != null && action != firstPopulateAction && redoStack.Contains(firstPopulateAction))
{
redoStack.Remove(firstPopulateAction);
undoStack.AddLast(firstPopulateAction);
}
action.PreviousAction = GetPreviousAction(undoStack.Last, action.GetType());
undoStack.AddLast(action);
foreach (IAction a in redoStack)
a.Dispose();
redoStack.Clear();
}
private void ApplySelectionState(SelectionAction action, Bitmap selection)
{
using (Graphics g = Graphics.FromImage(selection))
{
g.CompositingMode = CompositingMode.SourceCopy;
g.DrawImage(action.Image, 0, 0);
}
}
public void FilterOutType(Type type)
{
LinkedList <IAction> newUndo = new LinkedList <IAction>();
foreach (IAction action in undoStack)
{
if (type.Equals(action.GetType()))
{
action.Dispose();
}
else
{
newUndo.AddLast(action);
}
}
undoStack = newUndo;
LinkedList <IAction> newRedo = new LinkedList <IAction>();
foreach (IAction action in redoStack)
{
if (type.Equals(action.GetType()))
{
action.Dispose();
}
else
{
newRedo.AddLast(action);
}
}
if (firstBiomeAction != null && type == typeof(BiomeAction))
{
firstBiomeAction = null;
}
if (firstPopulateAction != null && type == typeof(PopulateAction))
{
firstPopulateAction = null;
}
if (firstSelectionAction != null && type == typeof(SelectionAction))
{
firstSelectionAction = null;
}
redoStack = newRedo;
}
public void Add(IAction action)
{
if (action.GetType() == typeof(SelectionAction) && firstSelectionAction == null)
{
firstSelectionAction = (SelectionAction)action;
}
else if (action.GetType() == typeof(BiomeAction) && firstBiomeAction == null)
{
firstBiomeAction = (BiomeAction)action;
}
else if (action.GetType() == typeof(PopulateAction) && firstPopulateAction == null)
{
firstPopulateAction = (PopulateAction)action;
}
//ensure the first action of each type isn't lost when the redo stack is emptied
if (firstSelectionAction != null && action != firstSelectionAction && redoStack.Contains(firstSelectionAction))
{
redoStack.Remove(firstSelectionAction);
undoStack.AddLast(firstSelectionAction);
}
if (firstBiomeAction != null && action != firstBiomeAction && redoStack.Contains(firstBiomeAction))
{
redoStack.Remove(firstBiomeAction);
undoStack.AddLast(firstBiomeAction);
}
if (firstPopulateAction != null && action != firstPopulateAction && redoStack.Contains(firstPopulateAction))
{
redoStack.Remove(firstPopulateAction);
undoStack.AddLast(firstPopulateAction);
}
action.PreviousAction = GetPreviousAction(undoStack.Last, action.GetType());
undoStack.AddLast(action);
foreach (IAction a in redoStack)
{
a.Dispose();
}
redoStack.Clear();
}
public void FilterOutType(Type type)
{
LinkedList<IAction> newUndo = new LinkedList<IAction>();
foreach (IAction action in undoStack)
{
if (type.Equals(action.GetType()))
action.Dispose();
else
newUndo.AddLast(action);
}
undoStack = newUndo;
LinkedList<IAction> newRedo = new LinkedList<IAction>();
foreach (IAction action in redoStack)
{
if (type.Equals(action.GetType()))
action.Dispose();
else
newRedo.AddLast(action);
}
if (firstBiomeAction != null && type == typeof(BiomeAction))
firstBiomeAction = null;
if (firstPopulateAction != null && type == typeof(PopulateAction))
firstPopulateAction = null;
if (firstSelectionAction != null && type == typeof(SelectionAction))
firstSelectionAction = null;
redoStack = newRedo;
}
private void ApplySelectionState(SelectionAction action, Bitmap selection)
{
using (Graphics g = Graphics.FromImage(selection))
{
g.CompositingMode = CompositingMode.SourceCopy;
g.DrawImage(action.Image, 0, 0);
}
}
