protected override void StartAttribute(AnimAttribute attr)
{
if (attr.Name == "typeText")
{
charactersWritten = 0;
lastTextUpdate = 0;
}
else if (attr.Name == "eraseText")
{
charactersWritten = Definition.Value.Length;
lastTextUpdate = 0;
}
else if (attr.Name == "init")
{
if (attr.Properties.ContainsKey("text"))
{
TextString = attr.Properties["text"];
}
base.StartAttribute(attr);
}
else
{
base.StartAttribute(attr);
}
}
/// <summary>
/// Initialize the specified attribute
/// </summary>
/// <param name="attr"></param>
protected virtual void StartAttribute(AnimAttribute attr)
{
if (attr.Name == "init")
{
if (attr.Properties.ContainsKey("alpha"))
{
Alpha = float.Parse(attr.Properties["alpha"], System.Globalization.CultureInfo.InvariantCulture);
}
}
}
protected override bool UpdateAttribute(AnimAttribute attr)
{
bool needToUpdate = false;
if (attr.Name == "typeText")
{
int delay = int.Parse(attr.Properties["delay"]);
bool reverse = bool.Parse(attr.Properties["reverse"]);
if (totalCurrentMs >= lastTextUpdate + delay)
{
if (charactersWritten <= Definition.Value.Length)
{
if (!reverse)
{
TextString = Definition.Value.Substring(0, charactersWritten);
}
else
{
StringBuilder str = new StringBuilder();
for (int i = 0; i < Definition.Value.Length - (charactersWritten); i++)
{
str.Append(@"^" + Definition.Value[i]);
}
str.Append(Definition.Value.Substring(Definition.Value.Length - (charactersWritten)));
TextString = str.ToString();
}
charactersWritten++;
needToUpdate = true;
}
else
{
attr.Finished = true;
}
lastTextUpdate = totalCurrentMs;
}
}
else if (attr.Name == "eraseText")
{
int delay = int.Parse(attr.Properties["delay"]);
bool reverse = bool.Parse(attr.Properties["reverse"]);
if (totalCurrentMs >= lastTextUpdate + delay)
{
if (charactersWritten >= 0)
{
if (!reverse)
{
TextString = Definition.Value.Substring(0, charactersWritten);
}
else
{
StringBuilder str = new StringBuilder();
for (int i = 0; i < Definition.Value.Length - (charactersWritten); i++)
{
str.Append(@"^" + Definition.Value[i]);
}
str.Append(Definition.Value.Substring(Definition.Value.Length - (charactersWritten)));
TextString = str.ToString();
// fill first characters
//TextString = //GetCharString(' ', Definition.Value.Length - (charactersWritten - 1)) + Definition.Value.Substring(Definition.Value.Length - (charactersWritten - 1));
}
charactersWritten--;
needToUpdate = true;
}
else
{
attr.Finished = true;
}
lastTextUpdate = totalCurrentMs;
}
}
else
{
needToUpdate = base.UpdateAttribute(attr);
}
return(needToUpdate);
}
protected virtual bool UpdateAttribute(AnimAttribute attr)
{
bool needToUpdate = false;
if (attr.Name == "moveTo")
{
int moveX = int.Parse(attr.Properties["x"]);
int moveY = int.Parse(attr.Properties["y"]);
// take duration, if not specified take total time
int duration;
if (attr.Properties.ContainsKey("duration"))
{
duration = int.Parse(attr.Properties["duration"]);
}
else
{
duration = TotalTime;
}
float perc = (float)((float)(totalCurrentMs - StartMs) / (float)duration);
if (perc >= 0 && perc <= 1)
{
int oldx = x;
int oldy = y;
x = origx + (int)((moveX - origx) * perc);
y = origy + (int)((moveY - origy) * perc);
if (oldx != x || oldy != y) // only update if necessary
{
needToUpdate = true;
}
}
else
{
attr.Finished = true;
}
}
else if (attr.Name == "fade")
{
float start = float.Parse(attr.Properties["start"], System.Globalization.CultureInfo.InvariantCulture);
float end = float.Parse(attr.Properties["end"], System.Globalization.CultureInfo.InvariantCulture);
int duration;
if (attr.Properties.ContainsKey("duration"))
{
duration = int.Parse(attr.Properties["duration"]);
}
else
{
// totaltime is animation length!
duration = TotalTime;
}
float perc = (float)((float)(totalCurrentMs - StartMs - attr.StartMs) / (float)duration);
if (perc >= 0 && perc < 1)
{
alpha = start + ((end - start) * perc);
needToUpdate = true;
}
else
{
attr.Finished = true;
}
}
return(needToUpdate);
}
