private static int EmitDialoguePage(string dialogue, int start, int linesPerPage, Font font, float maxWidth, List <string> o_results)
{
// Count the number of lines needed to emit the dialogue
int endPos = start;
int lines = 0;
while (endPos < dialogue.Length)
{
endPos += font.WordWrap(dialogue, endPos, true, maxWidth);
endPos += Font.AdvanceWhitespace(dialogue, endPos);
if ((++lines) == linesPerPage)
{
break;
}
}
if (endPos < dialogue.Length)
{
// Clip to the end of the previous sentence
int sentenceStart = start;
while (sentenceStart < endPos)
{
int sentenceEnd = sentenceStart + Font.AdvanceSentence(dialogue, sentenceStart);
if (sentenceEnd > endPos)
{
break;
}
else
{
sentenceStart = sentenceEnd + Font.AdvanceWhitespace(dialogue, sentenceEnd);
}
}
if (sentenceStart > start)
{
endPos = sentenceStart;
}
}
// Emit the lines
int pos = start;
int line = 0;
while (pos < endPos && line < linesPerPage)
{
int lineLen = font.WordWrap(dialogue, pos, (endPos - pos), true, maxWidth);
o_results.Add(dialogue.Substring(pos, lineLen));
pos += lineLen;
pos += Font.AdvanceWhitespace(dialogue, pos);
++line;
}
while (line < linesPerPage)
{
o_results.Add("");
++line;
}
return(endPos - start);
}