/// <summary>
/// Sets the character name to display on the Say Dialog.
/// Supports variable substitution e.g. John {$surname}
/// </summary>
public virtual void SetCharacterName(string name, Color color)
{
if (nameText != null)
{
var subbedName = stringSubstituter.SubstituteStrings(name);
nameText.text = subbedName;
nameText.color = color;
}
}
/// <summary>
/// Sets the character name to display on the Say Dialog.
/// Supports variable substitution e.g. John {$surname}
/// </summary>
public virtual void SetCharacterName(string name, Color color)
{
if (NameText != null)
{
var subbedName = stringSubstituter.SubstituteStrings(name);
NameText = subbedName;
nameTextAdapter.SetTextColor(color);
}
}
public virtual string SubstituteVariables(string input)
{
if (stringSubstituer == null)
{
stringSubstituer = new StringSubstituter();
stringSubstituer.CacheSubstitutionHandlers();
}
// Use the string builder from StringSubstituter for efficiency.
StringBuilder sb = stringSubstituer._StringBuilder;
sb.Length = 0;
sb.Append(input);
// Instantiate the regular expression object.
Regex r = new Regex("{\\$.*?}");
bool changed = false;
// Match the regular expression pattern against a text string.
var results = r.Matches(input);
foreach (Match match in results)
{
string key = match.Value.Substring(2, match.Value.Length - 3);
// Look for any matching private variables in this Flowchart first
foreach (Variable variable in variables)
{
if (variable == null)
{
continue;
}
if (variable.Scope == VariableScope.Private &&
variable.Key == key)
{
string value = variable.ToString();
sb.Replace(match.Value, value);
changed = true;
}
}
}
// Now do all other substitutions in the scene
changed |= stringSubstituer.SubstituteStrings(sb);
if (changed)
{
return(sb.ToString());
}
else
{
return(input);
}
}
/// <summary>
/// Performs string substitution on the input string, replacing tokens of the form {$VarName} with
/// matching variables, localised strings, etc. in the scene.
/// </summary>
public virtual string Substitute(string input)
{
return(stringSubstituter.SubstituteStrings(input));
}
/// <summary>
/// Substitute variables in the input text with the format {$VarName}
/// This will first match with private variables in this Flowchart, and then
/// with public variables in all Flowcharts in the scene (and any component
/// in the scene that implements StringSubstituter.ISubstitutionHandler).
/// </summary>
// 进行变量替换
// 先使用本Flowcharts上的私有变量
// 然后使用ISubstitutionHandler，可以找到全局的Flowchart
public virtual string SubstituteVariables(string input)
{
// 创建StringSubstituter实例
if (stringSubstituer == null)
{
stringSubstituer = new StringSubstituter();
}
// Use the string builder from StringSubstituter for efficiency.
StringBuilder sb = stringSubstituer._StringBuilder;
sb.Length = 0;
sb.Append(input);
// 变量格式匹配
// {$变量名}
// Instantiate the regular expression object.
Regex r = new Regex(SubstituteVariableRegexString);
bool changed = false;
// 匹配到句子中
// 所有变量
// Match the regular expression pattern against a text string.
var results = r.Matches(input);
for (int i = 0; i < results.Count; i++)
{
Match match = results[i];
// 提取到变量名
string key = match.Value.Substring(2, match.Value.Length - 3);
// 匹配私有变量
// Look for any matching private variables in this Flowchart first
for (int j = 0; j < variables.Count; j++)
{
var variable = variables[j];
if (variable == null)
{
continue;
}
if (variable.Scope == VariableScope.Private && variable.Key == key)
{
string value = variable.ToString();
sb.Replace(match.Value, value);
changed = true;
}
}
}
// 使用ISubstitutionHandler
// 进行变量替换
// （这里会调用到，全局的Flowchart）
// Now do all other substitutions in the scene
changed |= stringSubstituer.SubstituteStrings(sb);
if (changed)
{
return(sb.ToString());
}
else
{
return(input);
}
}