protected override void OnUpdate()
{
EntityManager em = EntityManager;
EntityCommandBuffer ecb = new EntityCommandBuffer(Allocator.Temp);
// Check Native font components
Entities.With(groupAddNativeFontPrivC).ForEach((Entity e, ref Text2DRenderer tr, ref Text2DStyleNativeFont nf) =>
{
if (CheckNativeFontComponents(em, ref tr, ref nf))
{
ecb.AddComponent(e, new Text2DPrivateNative());
ecb.AddComponent(e, new Text2DPrivateCacheHTML());
ecb.AddBuffer <TextPrivateString>(e);
ecb.AddBuffer <TextPrivateFontName>(e);
}
});
ecb.Playback(em);
ecb.Dispose();
Entities.ForEach((Entity e, ref Text2DRenderer tr, ref Text2DPrivateNative textP,
ref Text2DPrivateCacheHTML textHtmlP, ref Text2DStyleNativeFont nfStyle) =>
{
Text2DStyle textStyle = em.GetComponentData <Text2DStyle>(tr.style);
NativeFont nf = em.GetComponentData <NativeFont>(nfStyle.font);
Text2DPrivateCacheHTML temp = new Text2DPrivateCacheHTML();
temp.size = textStyle.size;
temp.color = textStyle.color;
temp.weight = nfStyle.weight;
temp.italic = nfStyle.italic;
temp.cacheIndex = textHtmlP.cacheIndex;
if (em.HasComponent <Text2DAutoFit>(e))
{
Text2DAutoFit autoFit = em.GetComponentData <Text2DAutoFit>(e);
temp.minSizeAutoFit = autoFit.minSize;
temp.maxSizeAutoFit = autoFit.maxSize;
}
if (em.HasComponent <RectTransformFinalSize>(e))
{
temp.rect = em.GetComponentData <RectTransformFinalSize>(e).size;
}
string newText = em.GetBufferAsString <TextString>(e);
string privText = em.GetBufferAsString <TextPrivateString>(e);
string strFontName = em.GetBufferAsString <TextPrivateFontName>(e);
if (!textHtmlP.Equals(temp) || newText != privText || TextService.GetFontFamilyName(nf.name) != strFontName)
{
// We will need to recreate the text texture in the renderer anyway
temp.cacheIndex = -1;
// Re-compute text size
float newSize = MeasureNativeFontText(em, e, ref textP, newText, TextService.GetFontFamilyName(nf.name), temp.rect);
textP.size = newSize;
em.SetBufferFromString <TextPrivateFontName>(e, TextService.GetFontFamilyName(nf.name));
//Update private text component
em.SetBufferFromString <TextPrivateString>(e, newText);
}
textHtmlP = temp;
});
ecb = new EntityCommandBuffer(Allocator.Temp);
// De-init private components
Entities.With(groupRemoveNativeFontPrivateC).ForEach((Entity e, ref Text2DPrivateNative tr, ref Text2DPrivateCacheHTML nc) =>
{
ecb.RemoveComponent <Text2DPrivateNative>(e);
ecb.RemoveComponent <Text2DPrivateCacheHTML>(e);
ecb.RemoveComponent <TextPrivateString>(e);
ecb.RemoveComponent <TextPrivateFontName>(e);
});
ecb.Playback(em);
ecb.Dispose();
}
private float MeasureNativeFontText(EntityManager em, Entity e, ref Text2DPrivateNative privNative, string text, string family, float2 rectTransformSize)
{
Text2DStyle style = em.GetComponentData <Text2DStyle>(e);
Text2DRenderer tr = em.GetComponentData <Text2DRenderer>(e);
Text2DStyleNativeFont styleNative = em.GetComponentData <Text2DStyleNativeFont>(e);
NativeFont nf = em.GetComponentData <NativeFont>(styleNative.font);
float newSize = style.size * nf.worldUnitsToPt;
float outWidth = 0.0f, outHeight = 0.0f;
js_measureText(text, family, newSize, styleNative.weight, styleNative.italic, out outWidth, out outHeight);
if (em.HasComponent <Text2DAutoFit>(e))
{
Text2DAutoFit autoFit = em.GetComponentData <Text2DAutoFit>(e);
float epsilon = 0.001f;
// Re-measure if the text is too long/short or too tall
if (math.abs(outWidth - rectTransformSize.x) >= epsilon || outHeight > rectTransformSize.y)
{
float ratio = 1.0f;
if (outWidth > 0.0f)
{
ratio = rectTransformSize.x / outWidth;
}
newSize = (newSize * ratio < autoFit.maxSize) ? newSize * ratio : autoFit.maxSize;
js_measureText(text, family, newSize, styleNative.weight, styleNative.italic, out outWidth, out outHeight);
if (outHeight > rectTransformSize.y)
{
if (outHeight > 0.0f)
{
ratio = rectTransformSize.y / outHeight;
}
newSize = (newSize * ratio < autoFit.maxSize) ? newSize * ratio : autoFit.maxSize;
js_measureText(text, family, newSize, styleNative.weight, styleNative.italic, out outWidth, out outHeight);
}
}
float minSize = autoFit.minSize;
if (newSize < minSize)
{
//TODO: Update when float.ToString will not throws an exception anymore
string l = "Text: " + text;
l += " is not renderable, the generated font size " + ((int)newSize).ToString();
l += " is smaller than the minimum allowed " + ((int)minSize).ToString();
Debug.Log(l);
}
}
//TODO: Update when float.ToString will not throws an exception anymore
string line = "Text with native font, measured with: " + ((int)outWidth).ToString();
line += " measured height: ";
line += ((int)outHeight).ToString();
Debug.Log(line);
//Adjust text bounds with pivot
privNative.bounds.x = -(rectTransformSize.x / 2) + (rectTransformSize.x * (tr.pivot.x));
privNative.bounds.y = -(rectTransformSize.y / 2) + (rectTransformSize.y * (tr.pivot.y));
privNative.bounds.width = outWidth;
privNative.bounds.height = outHeight;
return(newSize);
}
