public LayoutRenderer(TrackerLayoutFile trackerDefinition, string layoutName)
{
this.trackerDefinition = trackerDefinition;
this.layoutName = layoutName;
this.layout = trackerDefinition.layouts[layoutName];
backgrounds = new Bitmap[layout.backgrounds.Length];
for (var i = 0; i < layout.backgrounds.Length; i++)
{
var bgPath = layout.backgrounds[i];
backgrounds[i] = trackerDefinition.Meta.GetImage(bgPath);
}
if (backgrounds.Length == 0)
{
throw new TrackerFileException("Layout " + layoutName + " has no background.");
}
width = backgrounds[0].Width;
height = backgrounds[0].Height;
foreach (var placement in layout.maps)
{
maps.Add(new MapRenderer(this, placement));
}
renderer = new Renderer(width, height);
RenderInitial();
trackerDefinition.Meta.State.AddListener(this);
}
private void InitializeTracker()
{
bool isEmpty = _layout == null;
bool willBeEmpty = false;
if (_layoutFile == null || _layoutName == null)
{
willBeEmpty = true;
}
else
{
TrackerLayout l;
if (!_layoutFile.layouts.TryGetValue(_layoutName, out l))
{
willBeEmpty = true;
}
}
if (!isEmpty && willBeEmpty)
{
UninitializeTracker();
}
else if (!willBeEmpty)
{
// ACTUALLY INITIALIZE
FreeLayoutResources();
_layout = _layoutFile.layouts[_layoutName];
if (cachedViews.ContainsKey(_layoutName))
{
_renderer = cachedViews[_layoutName];
_renderer.Update(); // Todo: determine if cached views should update in realtime, or if not, they should at least to allow redundant invalidations
}
else
{
_renderer = new LayoutRenderer(_layoutFile, _layoutName);
if (CacheViews && !cachedViews.ContainsKey(_layoutName))
{
cachedViews.Add(_layoutName, _renderer);
}
}
foreach (var placement in _layout.maps)
{
var mmap = _layoutFile.GetEffectiveMetrics(placement);
Rectangle bounds = new Rectangle(
mmap.x,
mmap.y,
mmap.cellWidth * mmap.gridWidth,
mmap.cellHeight * mmap.gridHeight
);
mapBounds.Add(Tuple.Create(mmap, bounds));
}
SetupPicker();
Invalidate(new Rectangle(0, 0, _renderer.Width, _renderer.Height));
}
}
private void ApplyLayoutExternalMetrics(TrackerLayout layout)
{
var backcolor = layout.GetBackcolor();
if (backcolor != null)
{
//this.BackColor =
}
}
private void FreeLayoutResources()
{
// Todo: clear any layout-specific values and free any resources
if (_renderer != null && (_unloadingLayoutName != null && !cachedViews.ContainsKey(_unloadingLayoutName)))
{
_renderer.Dispose();
}
_renderer = null;
_layout = null;
mapBounds.Clear();
}