public void AddChild(MenuItem menuItem)
{
menuItem.level = level + 1;
menuItem.parent = this;
menuItem.position = position;
menuItem.menuFont = menuFont;
menuItem.markedMenuTexture = markedMenuTexture;
menuItem.menuTexture = menuTexture;
menuItem.position.Y = position.Y + ((children.Count+1) * (menuTexture.Height*1.5f));
menuItem.position.X = position.X;
children.Add(menuItem);
if (children.Count == 1)
{
menuItem.currentlyMarked = true;
}
}
public void HandleInput(InputState inputState)
{
if (!showingDescription)
{
if (currentlySelected && childSelected == null && children.Count >= 0)
{
if (inputState.IsKeyNewPressed(Keys.Up) && index > 0)
{
children[index].currentlyMarked = false;
index--;
children[index].currentlyMarked = true;
childMarked = children[index];
if (scrollable && !firstIndexSeen && index == 1)
{
scrollIndex--;
}
}
else if (inputState.IsKeyNewPressed(Keys.Down) && index + 1 < children.Count)
{
children[index].currentlyMarked = false;
index++;
children[index].currentlyMarked = true;
childMarked = children[index];
if (scrollable && !lastIndexSeen && lastDrawnIndex == index)
{
scrollIndex++;
}
}
else if (inputState.IsKeyNewPressed(Keys.Z))
{
if (level > 0)
{
currentlySelected = false;
currentlyMarked = true;
if (children.Count() > 0)
{
childMarked.currentlyMarked = false;
childSelected = null;
}
if (parent != null)
{
parent.childSelected = null;
parent.childMarked = parent.children[parent.index];
}
}
}
else if (inputState.IsKeyNewPressed(Keys.X) && children.Count() > 0 && !children[index].locked)
{
currentlySelected = true;
currentlyMarked = false;
children[index].currentlySelected = true;
childSelected = children[index];
if (parent != null)
{
parent.childMarked = null;
}
childMarked.currentlyMarked = false;
childMarked = null;
currentLevel++;
}
else if (inputState.IsKeyNewPressed(Keys.H) && childMarked != null)
{
showingDescription = true;
}
}
else if (childSelected != null)
{
childSelected.HandleInput(inputState);
}
}
else
{
showingDescription = false;
}
}
public void Reset()
{
index = 0;
childSelected = null;
childMarked = null;
currentlySelected = false;
currentlyMarked = false;
foreach (MenuItem child in children)
{
child.Reset();
}
if (level == 0)
{
currentlySelected = true;
if (children.Count() > 0)
{
children[0].currentlyMarked = true;
}
}
}
public void DrawChildren(SpriteBatch spriteBatch)
{
if (scrollIndex == 0)
{
firstIndexSeen = true;
}
else if (scrollIndex >0)
{
firstIndexSeen = false;
}
for (int i = scrollIndex; i < children.Count; i++)
{
if (!scrollable)
{
if (i == 0 && childMarked == null)
{
children[0].currentlyMarked = true;
childMarked = children[0];
}
if (children[i].currentlyMarked)
{
spriteBatch.Draw(markedMenuTexture, children[i].position, Color.White);
}
else if (children[i].currentlySelected)
{
spriteBatch.Draw(menuTexture, children[i].position, Color.White);
}
spriteBatch.DrawString(menuFont, children[i].text, children[i].position, Color.White);
}
else
{
lastDrawnIndex = i - 1;
lastIndexSeen = false;
break;
}
lastIndexSeen = true;
if (scrollIndex > 0)
{
firstIndexSeen = false;
}
}
if (childSelected != null)
{
childSelected.DrawChildren(spriteBatch);
}
}
