public static Vector2 DrawParsedString(this SpriteBatch spriteBatch, SpriteFont font, StringPart text, Vector2 position, Color colour, float rotation, Vector2 origin, Vector2 scale, int wrapWidth, Justification justification)
{
if (wrapWidth <= 0)
throw new ArgumentOutOfRangeException("wrapWidth", "wrapWidth must be greater than 0.");
return DrawParsedString(spriteBatch, font, text, position, colour, rotation, origin, scale, wrapWidth, justification, true);
}
public static Color Parse(StringPart text)
{
Color value;
if (TryParse(text, out value))
return value;
else
throw new FormatException(text + " could not be parsed into a colour.");
}
private static bool TryUppercase(StringPart text, out Color value)
{
var name = text.ToString().ToUpper();
if (Colours.TryGetValue(name, out value))
{
Colours.Add(text, value);
return(true);
}
return(false);
}
private static bool TryUppercase(StringPart text, out Color value)
{
var name = text.ToString().ToUpper();
if (Colours.TryGetValue(name, out value))
{
Colours.Add(text, value);
return true;
}
return false;
}
public static Color Parse(StringPart text)
{
Color value;
if (TryParse(text, out value))
{
return(value);
}
else
{
throw new FormatException(text + " could not be parsed into a colour.");
}
}
private static bool TryComponents(StringPart text, out Color value)
{
var name = text.ToString().ToUpper();
var parts = name.Split(new char[] { ' ', ',', ';', ':' });
if (ReadColourComponents(parts, out value))
{
Colours.Add(text, value);
return true;
}
return false;
}
public static bool TryParse(StringPart text, out Color value)
{
if (Colours.TryGetValue(text, out value))
return true;
if (TryUppercase(text, out value))
return true;
if (TryComponents(text, out value))
return true;
return false;
}
private static bool TryComponents(StringPart text, out Color value)
{
var name = text.ToString().ToUpper();
var parts = name.Split(new char[] { ' ', ',', ';', ':' });
if (ReadColourComponents(parts, out value))
{
Colours.Add(text, value);
return(true);
}
return(false);
}
public bool StartsWith(StringPart s)
{
if (Length < s.Length)
return false;
for (int i = 0; i < s.Length; i++)
{
if (this[i] != s[i])
return false;
}
return true;
}
public bool TryParse(StringPart name, out T item)
{
if (items.TryGetValue(name, out item))
{
return(true);
}
if (TryLoad(name, out item))
{
return(true);
}
return(false);
}
private bool TryLoad(StringPart name, out T item)
{
try
{
item = content.Load <T>(name.ToString());
items.Add(name, item);
return(true);
}
catch
{
item = default(T);
return(false);
}
}
public static void AppendPart(this StringBuilder sb, StringPart part)
{
if (part.String != null)
{
sb.Append(part.String, part.Start, part.Length);
}
else if (part.StringBuilder != null)
{
sb.EnsureCapacity(sb.Length + part.Length);
for (int i = 0; i < part.Length; i++)
{
sb.Append(part[i]);
}
}
}
public bool StartsWith(StringPart s)
{
if (this.Length < s.Length)
{
return(false);
}
for (int i = 0; i < s.Length; i++)
{
if (this[i] != s[i])
{
return(false);
}
}
return(true);
}
public static bool TryParse(StringPart text, out Color value)
{
if (Colours.TryGetValue(text, out value))
{
return(true);
}
if (TryUppercase(text, out value))
{
return(true);
}
if (TryComponents(text, out value))
{
return(true);
}
return(false);
}
private static TagType ParseTag(StringPart text, ref Vector2 position, ref int lineSpacing, ref int lineIndex)
{
var type = TagType.None;
if (text.Equals("\n"))
{
NewLine(ref position, ref lineSpacing, ref lineIndex);
type = TagType.NewLine;
}
else if (text.StartsWith("f:") && fonts != null)
{
var fontName = text.Substring(2);
SpriteFont font;
if (fonts.TryParse(fontName, out font))
{
PushFont(font);
type = TagType.FontStart;
}
}
else if (text.Equals("/f"))
{
PopFont();
type = TagType.FontEnd;
}
else if (text.StartsWith("c:"))
{
var colourName = text.Substring(2);
Color colour;
if (ColourParser.TryParse(colourName, out colour))
{
PushColour(colour);
type = TagType.ColourStart;
}
}
else if (text.Equals("/c"))
{
PopColour();
type = TagType.ColourEnd;
}
return(type);
}
private static void RecordFontChanges(StringBuilder input)
{
fontChanges.Clear();
int tagStart = 0;
int tagEnd = 0;
while ((tagStart = IndexOf(input, "[", tagEnd)) != -1 &&
(tagEnd = IndexOf(input, "]", tagStart)) != -1)
{
var tag = new StringPart(input, tagStart + 1, tagEnd - tagStart - 1);
var fontChanged = false;
if (tag.StartsWith("f:") && fonts != null)
{
var fontName = tag.Substring(2);
SpriteFont font;
if (fonts.TryParse(fontName, out font))
{
PushFont(font);
fontChanged = true;
}
}
else if (tag.Equals("/f"))
{
PopFont();
fontChanged = true;
}
if (fontChanged)
{
fontChanges.Add(new FontChange()
{
Font = CurrentFont(), Index = tagStart
});
}
}
}
public bool Equals(StringPart other)
{
if (this.Length != other.Length)
return false;
if (this.String == other.String && this.StringBuilder == other.StringBuilder)
{
return this.Start == other.Start;
}
else
{
if ((this.String == null && this.StringBuilder == null) ||
(other.String == null && other.StringBuilder == null))
return false;
for (int i = 0; i < this.Length; i++)
{
if (other[i] != this[i])
return false;
}
return true;
}
}
public static Vector2 MeasureParsedString(this SpriteFont font, StringPart text, int wrapWidth)
{
// bit of a hack..
return font.MeasureParsedString(text, Vector2.One, wrapWidth);
}
private static Vector2 DrawParsedString(this SpriteBatch spriteBatch, SpriteFont font, StringPart text, Vector2 position, Color colour, float rotation, Vector2 origin, Vector2 scale, int wrapWidth, Justification justification, bool drawingEnabled)
{
input.Clear();
input.AppendPart(text);
defaultFont = font;
defaultColour = colour;
lineWidths.Clear();
if (wrapWidth > 0)
Wrap(input, scale, wrapWidth);
input.Replace("\n", "[\n]");
colourHistory.Clear();
fontHistory.Clear();
var currentPositionOffset = Vector2.Zero;
var lineSpacing = CurrentFont().LineSpacing;
var width = 0f;
int lineIndex = 0;
Vector2 justificationOffset = new Vector2(Justify(lineWidths.Count > 0 ? lineWidths[0] : 0, wrapWidth, justification), 0);
int i = 0;
int tagStart = 0;
int tagEnd = 0;
Vector2 size = Vector2.Zero;
while (i < input.Length
&& (tagStart = IndexOf(input, "[", i)) != -1
&& (tagEnd = IndexOf(input, "]", tagStart)) != -1)
{
if (tagStart > i)
{
SetBuffer(new StringPart(input, i, tagStart - i));
if (drawingEnabled)
DrawBuffer(spriteBatch, ref position, rotation, ref origin, ref scale, currentPositionOffset + justificationOffset);
size = CurrentFont().MeasureString(buffer);
currentPositionOffset.X += size.X;
lineSpacing = Math.Max(lineSpacing, (int)size.Y);
width = Math.Max(width, currentPositionOffset.X);
}
i = tagStart;
if (ParseTag(new StringPart(input, tagStart + 1, tagEnd - tagStart - 1), ref currentPositionOffset, ref lineSpacing, ref lineIndex) != TagType.None)
{
i = tagEnd;
if (lineWidths.Count > lineIndex)
justificationOffset.X = Justify(lineWidths[lineIndex], wrapWidth, justification);
}
else
{
SetBuffer(new StringPart(input, i, 1));
if (drawingEnabled)
DrawBuffer(spriteBatch, ref position, rotation, ref origin, ref scale, currentPositionOffset + justificationOffset);
size = CurrentFont().MeasureString(buffer);
currentPositionOffset.X += size.X;
lineSpacing = Math.Max(lineSpacing, (int)size.Y);
width = Math.Max(width, currentPositionOffset.X);
}
i++;
}
if (i != input.Length)
{
SetBuffer(new StringPart(input, i, input.Length - i));
if (drawingEnabled)
DrawBuffer(spriteBatch, ref position, rotation, ref origin, ref scale, currentPositionOffset + justificationOffset);
size = CurrentFont().MeasureString(buffer);
currentPositionOffset.X += size.X;
lineSpacing = Math.Max(lineSpacing, (int)size.Y);
width = Math.Max(width, currentPositionOffset.X);
}
return new Vector2(width, currentPositionOffset.Y + lineSpacing) * scale;
}
private static TagType ParseTag(StringPart text, ref Vector2 position, ref int lineSpacing, ref int lineIndex)
{
var type = TagType.None;
if (text.Equals("\n"))
{
NewLine(ref position, ref lineSpacing, ref lineIndex);
type = TagType.NewLine;
}
else if (text.StartsWith("f:") && fonts != null)
{
var fontName = text.Substring(2);
SpriteFont font;
if (fonts.TryParse(fontName, out font))
{
PushFont(font);
type = TagType.FontStart;
}
}
else if (text.Equals("/f"))
{
PopFont();
type = TagType.FontEnd;
}
else if (text.StartsWith("c:"))
{
var colourName = text.Substring(2);
Color colour;
if (ColourParser.TryParse(colourName, out colour))
{
PushColour(colour);
type = TagType.ColourStart;
}
}
else if (text.Equals("/c"))
{
PopColour();
type = TagType.ColourEnd;
}
return type;
}
private static Vector2 DrawParsedString(this SpriteBatch spriteBatch, SpriteFont font, StringPart text, Vector2 position, Color colour, float rotation, Vector2 origin, Vector2 scale, int wrapWidth, Justification justification, bool drawingEnabled)
{
input.Clear();
input.AppendPart(text);
defaultFont = font;
defaultColour = colour;
lineWidths.Clear();
if (wrapWidth > 0)
{
Wrap(input, scale, wrapWidth);
}
input.Replace("\n", "[\n]");
colourHistory.Clear();
fontHistory.Clear();
var currentPositionOffset = Vector2.Zero;
var lineSpacing = CurrentFont().LineSpacing;
var width = 0f;
int lineIndex = 0;
Vector2 justificationOffset = new Vector2(Justify(lineWidths.Count > 0 ? lineWidths[0] : 0, wrapWidth, justification), 0);
int i = 0;
int tagStart = 0;
int tagEnd = 0;
Vector2 size = Vector2.Zero;
while (i < input.Length &&
(tagStart = IndexOf(input, "[", i)) != -1 &&
(tagEnd = IndexOf(input, "]", tagStart)) != -1)
{
if (tagStart > i)
{
SetBuffer(new StringPart(input, i, tagStart - i));
if (drawingEnabled)
{
DrawBuffer(spriteBatch, ref position, rotation, ref origin, ref scale, currentPositionOffset + justificationOffset);
}
size = CurrentFont().MeasureString(buffer);
currentPositionOffset.X += size.X;
lineSpacing = Math.Max(lineSpacing, (int)size.Y);
width = Math.Max(width, currentPositionOffset.X);
}
i = tagStart;
if (ParseTag(new StringPart(input, tagStart + 1, tagEnd - tagStart - 1), ref currentPositionOffset, ref lineSpacing, ref lineIndex) != TagType.None)
{
i = tagEnd;
if (lineWidths.Count > lineIndex)
{
justificationOffset.X = Justify(lineWidths[lineIndex], wrapWidth, justification);
}
}
else
{
SetBuffer(new StringPart(input, i, 1));
if (drawingEnabled)
{
DrawBuffer(spriteBatch, ref position, rotation, ref origin, ref scale, currentPositionOffset + justificationOffset);
}
size = CurrentFont().MeasureString(buffer);
currentPositionOffset.X += size.X;
lineSpacing = Math.Max(lineSpacing, (int)size.Y);
width = Math.Max(width, currentPositionOffset.X);
}
i++;
}
if (i != input.Length)
{
SetBuffer(new StringPart(input, i, input.Length - i));
if (drawingEnabled)
{
DrawBuffer(spriteBatch, ref position, rotation, ref origin, ref scale, currentPositionOffset + justificationOffset);
}
size = CurrentFont().MeasureString(buffer);
currentPositionOffset.X += size.X;
lineSpacing = Math.Max(lineSpacing, (int)size.Y);
width = Math.Max(width, currentPositionOffset.X);
}
return(new Vector2(width, currentPositionOffset.Y + lineSpacing) * scale);
}
private static void SetBuffer(StringPart text)
{
buffer.Clear();
buffer.AppendPart(text);
}
public static void AppendPart(this StringBuilder sb, StringPart part)
{
if (part.String != null)
sb.Append(part.String, part.Start, part.Length);
else if (part.StringBuilder != null)
{
sb.EnsureCapacity(sb.Length + part.Length);
for (int i = 0; i < part.Length; i++)
sb.Append(part[i]);
}
}
public static Vector2 MeasureParsedString(this SpriteFont font, StringPart text, Vector2 scale, int wrapWidth)
{
// bit of a hack..
return(DrawParsedString(null, font, text, Vector2.Zero, Color.White, 0, Vector2.Zero, Vector2.One, wrapWidth, Justification.Left, false));
}
private static void SetBuffer(StringPart text)
{
buffer.Clear();
buffer.AppendPart(text);
}
private static void RecordFontChanges(StringBuilder input)
{
fontChanges.Clear();
int tagStart = 0;
int tagEnd = 0;
while ((tagStart = IndexOf(input, "[", tagEnd)) != -1
&& (tagEnd = IndexOf(input, "]", tagStart)) != -1)
{
var tag = new StringPart(input, tagStart + 1, tagEnd - tagStart - 1);
var fontChanged = false;
if (tag.StartsWith("f:") && fonts != null)
{
var fontName = tag.Substring(2);
SpriteFont font;
if (fonts.TryParse(fontName, out font))
{
PushFont(font);
fontChanged = true;
}
}
else if (tag.Equals("/f"))
{
PopFont();
fontChanged = true;
}
if (fontChanged)
fontChanges.Add(new FontChange() { Font = CurrentFont(), Index = tagStart });
}
}
public static Vector2 MeasureParsedString(this SpriteFont font, StringPart text, Vector2 scale, int wrapWidth)
{
// bit of a hack..
return DrawParsedString(null, font, text, Vector2.Zero, Color.White, 0, Vector2.Zero, Vector2.One, wrapWidth, Justification.Left, false);
}
/// <summary>
/// Appends text onto the last line written.
/// </summary>
/// <param name="text">The text to append.</param>
public void Write(StringPart line)
{
if (moveNextDrawToNewLine || text.Count == 0)
{
text.Add(line);
moveNextDrawToNewLine = false;
}
else
{
var current = text[text.Count - 1];
text[text.Count - 1] = current.ToString() + line.ToString();
}
//if (line[line.Length - 1] == '\n')
// moveNextDrawToNewLine = true;
text.RemoveRange(0, Math.Max(0, text.Count - historyCapacity));
if (startIndex == text.Count - 1)
ScrollToNewest();
}
/// <summary>
/// Writes the line.
/// </summary>
/// <param name="line">The line.</param>
public void WriteLine(StringPart line)
{
//var t = text[text.Count - 1];
//text.RemoveAt(text.Count - 1);
//t.Batch.Clear();
//t.Batch.Write(line);
//t.Height = t.Batch.CalculateArea(Int2D.Zero, Justification, Area.Width).Height;
//text.Insert(0, t);
Write(line.ToString());
moveNextDrawToNewLine = true;
}
public static Vector2 DrawParsedString(this SpriteBatch spriteBatch, SpriteFont font, StringPart text, Vector2 position, Color colour)
{
return(DrawParsedString(spriteBatch, font, text, position, colour, 0, Vector2.Zero, Vector2.One, 0, Justification.Left));
}
public static Vector2 DrawParsedString(this SpriteBatch spriteBatch, SpriteFont font, StringPart text, Vector2 position, Color colour, float rotation, Vector2 origin, Vector2 scale, int wrapWidth, Justification justification)
{
if (wrapWidth <= 0)
{
throw new ArgumentOutOfRangeException("wrapWidth", "wrapWidth must be greater than 0.");
}
return(DrawParsedString(spriteBatch, font, text, position, colour, rotation, origin, scale, wrapWidth, justification, true));
}
public static Vector2 DrawParsedString(this SpriteBatch spriteBatch, SpriteFont font, StringPart text, Vector2 position, Color colour)
{
return DrawParsedString(spriteBatch, font, text, position, colour, 0, Vector2.Zero, Vector2.One, 0, Justification.Left);
}
