/// <summary>Connects a filter to the camera's output.
/// Fires an imagechange event too as this updates Texture to the filtered version.</summary>
private void ConnectFilter()
{
if (Filter_ != null)
{
if (FilterDrawInfo == null)
{
FilterDrawInfo = new Loonim.DrawInfo();
}
// Update draw info:
FilterDrawInfo.SetSize(pixelWidth, pixelHeight);
// Update source:
Filter_.Set("source0", SourceCamera.targetTexture);
// Reallocate the filter:
Filter_.PreAllocate(FilterDrawInfo);
// Grab the main output (always a RT):
Texture = Filter_.Texture as RenderTexture;
if (Texture == null)
{
// This isn't a valid filter!
// It either had no nodes or e.g. e.g. a solid colour.
Debug.Log("Invalid filter was set to a FlatWorldUI - removed it.");
Filter_ = null;
}
}
if (Filter_ == null)
{
// Clear draw info:
FilterDrawInfo = null;
// Revert to the camera's output:
Texture = SourceCamera.targetTexture;
}
// Fire an imagechange event into the window:
Dom.Event e = new Dom.Event("imagechange");
e.SetTrusted(false);
document.window.dispatchEvent(e);
}
/// <summary>Sets a filter to apply. This is what rasterising elements is all for!</summary>
public void SetFilter(Loonim.SurfaceTexture tex)
{
Filter = tex;
if (tex == null)
{
if (FilterDrawInfo != null)
{
// Tidy it up:
tex.Clear();
FilterDrawInfo = null;
}
if (Renderer != null)
{
// Update it now:
Output = Renderer.Texture;
if (Material != null)
{
// Hook up the output:
Material.SetTexture("_MainTex", Output);
}
}
}
else
{
// Create the draw info (for GPU mode):
FilterDrawInfo = new Loonim.DrawInfo();
if (Renderer != null)
{
// Update it now:
Filter.Set("source0", Renderer.Texture);
// Note that the next draw will update Output for us.
}
}
}
/// <summary>Updates the FlatWorldUI so it builds the mesh for this element.</summary>
private void UpdateRenderer(LayoutBox box, float width, float height)
{
// - Set w/h to width and height:
int w = (int)width;
int h = (int)height;
if (Renderer.SetDimensions(w, h))
{
// Output texture changed.
if (Filter == null)
{
// Update output:
Output = Renderer.Texture;
if (Material != null)
{
// Hook up the output:
Material.SetTexture("_MainTex", Output);
}
}
else
{
Filter.Set("source0", Renderer.Texture);
// Output will be updated shortly.
// Always mark as changed:
Filter.Changed = true;
}
}
// Redraw:
if (Filter != null)
{
if (FilterDrawInfo != null)
{
FilterDrawInfo.SetSize(w, h);
}
// Draw now:
Output = Filter.Draw(FilterDrawInfo);
if (Material != null)
{
// Hook up the output:
Material.SetTexture("_MainTex", Output);
}
}
// Temporarily set the positioning of box such that it's at the origin:
float _x = box.X;
float _y = box.Y;
float _pX = box.ParentOffsetLeft;
float _pY = box.ParentOffsetTop;
int _pos = box.PositionMode;
// Clear:
box.X = -box.Border.Left;
box.Y = -box.Border.Top;
box.ParentOffsetTop = box.X;
box.ParentOffsetLeft = box.Y;
box.PositionMode = PositionMode.Fixed;
// Put the RenderData in the render only queue of *Renderer* and ask it to layout now:
RenderableData _next = RenderData.Next;
UpdateMode _mode = RenderData.NextUpdateMode;
// Clear:
RenderData.Next = null;
RenderData.NextUpdateMode = UpdateMode.Render;
// Queue:
Renderer.Renderer.StylesToUpdate = RenderData;
// Draw now!
Renderer.Renderer.Update();
// Restore (box):
box.X = _x;
box.Y = _y;
box.ParentOffsetTop = _pX;
box.ParentOffsetLeft = _pY;
box.PositionMode = _pos;
// Restore (queue):
RenderData.Next = _next;
RenderData.NextUpdateMode = _mode;
}
