private void DrawTooltip()
{
if (!string.IsNullOrWhiteSpace(Tooltip))
{
SpriteReference ui_tooltip = SpriteLoader.Instance.AddSprite("content/ui_box");
TextParameters tooltipParameters = new TextParameters().SetColor(Color.White, Color.Black);
int tooltipWidth = FontUtil.GetStringWidth(Tooltip, tooltipParameters);
int screenWidth = Viewport.Width - 8 - InputState.MouseX + 4;
bool invert = false;
if (tooltipWidth > screenWidth)
{
screenWidth = Viewport.Width - screenWidth;
invert = true;
}
tooltipParameters = new TextParameters().SetColor(Color.White, Color.Black).SetConstraints(screenWidth, int.MaxValue);
tooltipWidth = FontUtil.GetStringWidth(Tooltip, tooltipParameters);
int tooltipHeight = FontUtil.GetStringHeight(Tooltip, tooltipParameters);
int tooltipX = InputState.MouseX + 4;
int tooltipY = Math.Max(0, InputState.MouseY - 4 - tooltipHeight);
if (invert)
{
tooltipX -= tooltipWidth;
}
DrawUI(ui_tooltip, new Rectangle(tooltipX, tooltipY, tooltipWidth, tooltipHeight), Color.White);
DrawText(Tooltip, new Vector2(tooltipX, tooltipY), Alignment.Left, tooltipParameters);
}
}
public static int GetStringHeight(string str, TextParameters parameters)
{
if (str != CachedString)
{
SetupString(str, Vector2.Zero, Alignment.Center, parameters, null);
}
return(CachedHeight);
}
public void DrawText(string str, Vector2 drawpos, Alignment alignment, TextParameters parameters)
{
Game.DrawText(str, drawpos, alignment, parameters);
}
public static void SetupString(string str, Vector2 drawpos, Alignment alignment, TextParameters parameters, Game game)
{
bool cache = false;
if (str != CachedString || parameters.NoCache)
{
cache = true;
}
if (cache)
{
CachedString = str;
CachedParameters = parameters;
CachedWidth = 0;
CachedHeight = 0;
}
parameters = CachedParameters.Copy();
int getWidth(object token)
{
if (token is FormatToken format)
{
if (format == FormatToken.Space)
{
return(4);
}
return(0);
}
if (token is string s)
{
return(GetWordLength(s, parameters));
}
if (token is FormatCode code)
{
return(code.Width);
}
return(0);
}
int width = 0;
int maxwidth = parameters.MaxWidth ?? int.MaxValue;
int y = 0;
int offset;
if (cache)
{
CachedTokens = Tokenize(str);
}
var tokens = new Stack <object>(CachedTokens.Reverse <object>());
List <object> line = new List <object>();
if (cache)
{
CachedHeight = CharHeight;
}
TextParameters lineParameters = parameters.Copy();
int index = 0;
while (tokens.Count > 0)
{
var token = tokens.Pop();
int tokenWidth = getWidth(token);
if (tokenWidth > maxwidth)
{
if (token is string s && s.Length > 1 && maxwidth - width > 0)
{
var split = SplitWord(ref s, parameters.Copy(), maxwidth - width);
tokens.Push(s);
token = split;
tokenWidth = getWidth(token);
}
else
{
break;
}
}
bool isNewLine = false;
if (token is FormatCode code)
{
parameters.Format(code);
}
else if (token is FormatToken format)
{
parameters.Format(format);
if (format == FormatToken.Newline)
{
isNewLine = true;
}
}
if (width + tokenWidth > maxwidth || isNewLine)
{
offset = (parameters.MaxWidth ?? 0) - width;
switch (alignment)
{
case (Alignment.Left):
offset = 0;
break;
case (Alignment.Center):
offset /= 2;
break;
}
if (game != null)
{
DrawLine(line, ref index, lineParameters, drawpos + new Vector2(offset, y), game);
}
line.Clear();
//Newline
y += parameters.LineSeperator;
if (cache)
{
CachedWidth = Math.Max(CachedWidth, width);
CachedHeight += parameters.LineSeperator;
}
width = 0;
if (!isNewLine)
{
tokens.Push(token);
}
continue;
}
width += tokenWidth;
line.Add(token);
}
public int GetStringHeight(string str, TextParameters parameters)
{
return(FontUtil.GetStringHeight(str, parameters));
}
