//A very simple "object pool" for the possible 3 matrices a label renderer can create,
//to avoid allocating the matrices object on each tick.
//Each possible matrix creation has a cell reserved for it.
private GLMatrices acquireMatrix(int index)
{
GLMatrices matrices = _matricesPool[index];
if (matrices == null)
{
matrices = new GLMatrices();
_matricesPool[index] = matrices;
}
return(matrices);
}
private void updateBoundingBoxes(IObject obj, IDrawableInfo drawable, IViewport viewport)
{
AutoFit autoFit = getAutoFit();
float height = obj.Height;
float width = obj.Width;
if (autoFit == AutoFit.LabelShouldFitText)
{
updateText(GLText.EmptySize, null);
CustomImageSize = new SizeF(_glText.Width, _glText.Height);
}
else
{
CustomImageSize = BaseSize;
}
var resolutionFactor = string.IsNullOrEmpty(Text) ? AGSModelMatrixComponent.NoScaling : new PointF(GLText.TextResolutionFactorX, GLText.TextResolutionFactorY);
CustomImageResolutionFactor = resolutionFactor;
var noFactor = AGSModelMatrixComponent.NoScaling;
bool resolutionMatches = resolutionFactor.Equals(noFactor);
var viewportMatrix = drawable.IgnoreViewport ? Matrix4.Identity : _viewport.GetViewport(drawable.RenderLayer.Z).GetMatrix(viewport, drawable.RenderLayer.ParallaxSpeed);
var modelMatrices = obj.GetModelMatrices();
IGLMatrices textRenderMatrices = new GLMatrices {
ModelMatrix = modelMatrices.InObjResolutionMatrix, ViewportMatrix = viewportMatrix
}; //_textRenderMatrixBuilder.Build(_labelMatrixRenderTarget, sprite, parent, matrix, areaScaling, resolutionFactor);
IGLMatrices labelRenderMatrices = new GLMatrices {
ModelMatrix = modelMatrices.InVirtualResolutionMatrix, ViewportMatrix = viewportMatrix
}; // _labelRenderMatrixBuilder.Build(_labelMatrixRenderTarget, sprite, parent, matrix, areaScaling, noFactor);
IGLMatrices textHitTestMatrices = resolutionMatches ? textRenderMatrices : labelRenderMatrices;
IGLMatrices labelHitTestMatrices = labelRenderMatrices;
updateBoundingBoxes(autoFit, textHitTestMatrices, labelHitTestMatrices, noFactor, resolutionMatches, true);
if (!resolutionMatches)
{
updateBoundingBoxes(autoFit, textRenderMatrices, labelRenderMatrices, resolutionFactor, true, false);
}
}