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Optimised string allocations when writing text with Writer.cs

master
Christopher 9 years ago
parent
54d80c5039
commit
87f995dd3e
1 changed files with 66 additions and 46 deletions
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  1. 106
      Assets/Fungus/UI/Scripts/Writer.cs

106
Assets/Fungus/UI/Scripts/Writer.cs
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@ -4,6 +4,7 @@ using System.Collections;
using System.Collections.Generic;
using System;
using System.Reflection;
using System.Text;
namespace Fungus
{
@ -89,6 +90,15 @@ namespace Fungus
protected List<IWriterListener> writerListeners = new List<IWriterListener>();
protected StringBuilder openString = new StringBuilder(256);
protected StringBuilder closeString = new StringBuilder(256);
protected StringBuilder leftString = new StringBuilder(1024);
protected StringBuilder rightString = new StringBuilder(1024);
protected StringBuilder outputString = new StringBuilder(1024);
protected string hiddenColorOpen = "";
protected string hiddenColorClose = "";
public string text
{
get
@ -173,6 +183,11 @@ namespace Fungus
protected virtual void Start()
{
// Cache the hidden color string
Color32 c = hiddenTextColor;
hiddenColorOpen = String.Format("<color=#{0:X2}{1:X2}{2:X2}{3:X2}>", c.r, c.g, c.b, c.a);
hiddenColorClose = "</color>";
if (forceRichText)
{
if (textUI != null)
@ -211,58 +226,58 @@ namespace Fungus
return false;
}
protected virtual string OpenMarkup()
protected virtual void UpdateOpenMarkup()
{
string tagText = "";
openString.Length = 0;
if (SupportsRichText())
{
if (sizeActive)
{
tagText += "<size=" + sizeValue + ">";
openString.Append("<size=");
openString.Append(sizeValue);
openString.Append(">");
}
if (colorActive)
{
tagText += "<color=" + colorText + ">";
openString.Append("<color=");
openString.Append(colorText);
openString.Append(">");
}
if (boldActive)
{
tagText += "<b>";
openString.Append("<b>");
}
if (italicActive)
{
tagText += "<i>";
openString.Append("<i>");
}
}
return tagText;
}
protected virtual string CloseMarkup()
protected virtual void UpdateCloseMarkup()
{
string closeText = "";
closeString.Length = 0;
if (SupportsRichText())
{
if (italicActive)
{
closeText += "</i>";
closeString.Append("</i>");
}
if (boldActive)
{
closeText += "</b>";
closeString.Append("</b>");
}
if (colorActive)
{
closeText += "</color>";
closeString.Append("</color>");
}
if (sizeActive)
{
closeText += "</size>";
closeString.Append("</size>");
}
}
return closeText;
}
public virtual void SetTextColor(Color textColor)
@ -474,6 +489,7 @@ namespace Fungus
exitFlag = true;
break;
case TextTagParser.TokenType.Message:
if (CheckParamCount(token.paramList, 1))
{
@ -613,12 +629,12 @@ namespace Fungus
}
string startText = text;
string openText = OpenMarkup();
string closeText = CloseMarkup();
UpdateOpenMarkup();
UpdateCloseMarkup();
float timeAccumulator = Time.deltaTime;
for (int i = 0; i < param.Length; ++i)
for (int i = 0; i <= param.Length; ++i)
{
// Exit immediately if the exit flag has been set
if (exitFlag)
@ -626,11 +642,9 @@ namespace Fungus
break;
}
string left = "";
string right = "";
PartitionString(writeWholeWords, param, i, out left, out right);
text = ConcatenateString(startText, openText, closeText, left, right);
PartitionString(writeWholeWords, param, i);
ConcatenateString(startText);
text = outputString.ToString();
NotifyGlyph();
@ -641,9 +655,9 @@ namespace Fungus
}
// Punctuation pause
if (left.Length > 0 &&
right.Length > 0 &&
IsPunctuation(left.Substring(left.Length - 1)[0]))
if (leftString.Length > 0 &&
rightString.Length > 0 &&
IsPunctuation(leftString.ToString(leftString.Length - 1, 1)[0]))
{
yield return StartCoroutine(DoWait(currentPunctuationPause));
}
@ -663,10 +677,13 @@ namespace Fungus
}
}
protected void PartitionString(bool wholeWords, string inputString, int i, out string left, out string right)
protected void PartitionString(bool wholeWords, string inputString, int i)
{
left = "";
right = "";
leftString.Length = 0;
leftString.Append(inputString);
rightString.Length = 0;
rightString.Append(inputString);
if (wholeWords)
{
@ -676,34 +693,37 @@ namespace Fungus
if (Char.IsWhiteSpace(inputString[j]) ||
j == inputString.Length - 1)
{
left = inputString.Substring(0, j + 1);
right = inputString.Substring(j + 1, inputString.Length - j - 1);
leftString.Remove(j, inputString.Length - j);
rightString.Remove(0, j);
break;
}
}
}
else
{
left = inputString.Substring(0, i + 1);
right = inputString.Substring(i + 1);
leftString.Remove(i, inputString.Length - i);
rightString.Remove(0, i);
}
}
protected string ConcatenateString(string startText, string openText, string closeText, string leftText, string rightText)
protected void ConcatenateString(string startText)
{
string tempText = startText + openText + leftText + closeText;
outputString.Length = 0;
Color32 c = hiddenTextColor;
string hiddenColor = String.Format("#{0:X2}{1:X2}{2:X2}{3:X2}", c.r, c.g, c.b, c.a);
// string tempText = startText + openText + leftText + closeText;
outputString.Append(startText);
outputString.Append(openString);
outputString.Append(leftString);
outputString.Append(closeString);
// Make right hand side text hidden
if (SupportsRichText() &&
rightText.Length > 0)
rightString.Length > 0)
{
tempText += "<color=" + hiddenColor + ">" + rightText + "</color>";
outputString.Append(hiddenColorOpen);
outputString.Append(rightString);
outputString.Append(hiddenColorClose);
}
return tempText;
}
public virtual string GetTagHelp()
@ -791,7 +811,7 @@ namespace Fungus
if (go != null)
{
iTween.ShakePosition(go, axis, time);
iTween.ShakePosition(go, axis, time);
}
}

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