public void CombineAndBreak(DirH horiz, DirV vert, Dir8 dir)
{
Assert.That(DirExt.Combine(horiz, vert), Is.EqualTo(dir));
dir.Separate(out DirH resH, out DirV resV);
Assert.AreEqual(resH, horiz);
Assert.AreEqual(resV, vert);
}
public ScanLineTile(IntRange x, int y, DirV dir, bool goLeft, bool goRight)
{
this.X = x;
this.Y = y;
this.Dir = dir;
this.GoLeft = goLeft;
this.GoRight = goRight;
}
public MenuText(string text, Loc loc, DirV alignV, DirH alignH, Color color)
{
Text = text;
Loc = loc;
AlignV = alignV;
AlignH = alignH;
Color = color;
}
public static Dir8 Combine(DirH horiz, DirV vert)
{
switch (vert)
{
case DirV.Down:
switch (horiz)
{
case DirH.Right:
return(Dir8.DownRight);
case DirH.Left:
return(Dir8.DownLeft);
case DirH.None:
return(Dir8.Down);
default:
throw new ArgumentOutOfRangeException(nameof(horiz), horiz, "Invalid enum value.");
}
case DirV.Up:
switch (horiz)
{
case DirH.Right:
return(Dir8.UpRight);
case DirH.Left:
return(Dir8.UpLeft);
case DirH.None:
return(Dir8.Up);
default:
throw new ArgumentOutOfRangeException(nameof(horiz), horiz, "Invalid enum value.");
}
case DirV.None:
switch (horiz)
{
case DirH.Right:
return(Dir8.Right);
case DirH.Left:
return(Dir8.Left);
case DirH.None:
return(Dir8.None);
default:
throw new ArgumentOutOfRangeException(nameof(horiz), horiz, "Invalid enum value.");
}
default:
throw new ArgumentOutOfRangeException(nameof(vert), vert, "Invalid enum value.");
}
}
public void ToDir8(DirV dir, Dir8 expected, bool exception = false)
{
if (exception)
{
Assert.Throws <ArgumentOutOfRangeException>(() => { dir.ToDir8(); });
}
else
{
Assert.That(dir.ToDir8(), Is.EqualTo(expected));
}
}
public void Reverse(DirV dir, DirV expected, bool exception = false)
{
if (exception)
{
Assert.Throws <ArgumentOutOfRangeException>(() => { dir.Reverse(); });
}
else
{
Assert.That(dir.Reverse(), Is.EqualTo(expected));
Assert.That(expected.Reverse(), Is.EqualTo(dir));
}
}
public static bool Validate(this DirV dir)
{
switch (dir)
{
case DirV.None:
case DirV.Down:
case DirV.Up:
return(true);
default:
return(false);
}
}
public static Dir8 ToDir8(this DirV dir)
{
switch (dir)
{
case DirV.None: return(Dir8.None);
case DirV.Down: return(Dir8.Down);
case DirV.Up: return(Dir8.Up);
default:
throw new ArgumentOutOfRangeException(nameof(dir), dir, "Invalid enum value.");
}
}
public static Loc GetLoc(this DirV dir)
{
switch (dir)
{
case DirV.None:
return(Loc.Zero);
case DirV.Down:
return(Loc.UnitY);
case DirV.Up:
return(-Loc.UnitY);
default:
throw new ArgumentOutOfRangeException(nameof(dir), dir, "Invalid enum value.");
}
}
public static void Separate(this Dir8 dir, out DirH horiz, out DirV vert)
{
if (!dir.Validate())
{
throw new ArgumentOutOfRangeException(nameof(dir), dir, "Invalid enum value.");
}
switch (dir)
{
case Dir8.Down:
case Dir8.DownLeft:
case Dir8.DownRight:
vert = DirV.Down;
break;
case Dir8.Up:
case Dir8.UpLeft:
case Dir8.UpRight:
vert = DirV.Up;
break;
default:
vert = DirV.None;
break;
}
switch (dir)
{
case Dir8.Left:
case Dir8.UpLeft:
case Dir8.DownLeft:
horiz = DirH.Left;
break;
case Dir8.Right:
case Dir8.UpRight:
case Dir8.DownRight:
horiz = DirH.Right;
break;
default:
horiz = DirH.None;
break;
}
}
private static void ScanFill(
Rect rect,
LocTest checkBlock,
LocTest checkDiagBlock,
LocAction fillOp,
int min,
int max,
int range_min,
int range_max,
int y,
bool isNext,
DirV dir,
Stack <ScanLineTile> stack)
{
if (checkBlock == null)
{
throw new ArgumentNullException(nameof(checkBlock));
}
if (fillOp == null)
{
throw new ArgumentNullException(nameof(fillOp));
}
// move y down or up
int new_y = y + dir.GetLoc().Y;
// for diagonal checking: check slightly further
int sub = (range_min > rect.Start.X) ? 1 : 0;
int add = (range_max < rect.Start.X + rect.Size.X - 1) ? 1 : 0;
int line_start = -1;
int x = range_min - sub;
for (; x <= range_max + add; x++)
{
bool unblocked = !checkBlock(new Loc(x, new_y));
// check diagonal if applicable
if (x < range_min)
{
unblocked &= !IsDirBlocked(new Loc(range_min, y), DirExt.Combine(DirH.Left, dir), checkBlock, checkDiagBlock);
}
else if (x > range_max)
{
unblocked &= !IsDirBlocked(new Loc(range_max, y), DirExt.Combine(DirH.Right, dir), checkBlock, checkDiagBlock);
}
// skip testing, if testing previous line within previous range
bool empty = (isNext || (x <min || x> max)) && unblocked;
if (line_start == -1 && empty)
{
line_start = x;
}
else if (line_start > -1 && !empty)
{
stack.Push(new ScanLineTile(new IntRange(line_start, x - 1), new_y, dir, line_start <= range_min, x > range_max));
line_start = -1;
}
if (line_start > -1)
{
fillOp(new Loc(x, new_y));
}
if (!isNext && x == min)
{
x = max;
}
}
if (line_start > -1)
{
stack.Push(new ScanLineTile(new IntRange(line_start, x - 1), new_y, dir, line_start <= range_min, true));
}
}
public void CombineEx(DirH horiz, DirV vert)
{
Assert.Throws <ArgumentOutOfRangeException>(() => { DirExt.Combine(horiz, vert); });
}
public void DrawText(SpriteBatch spriteBatch, int x, int y, string text, Rectangle?area, DirV vOrigin, DirH hOrigin, Color color)
{
if (String.IsNullOrWhiteSpace(text))
{
return;
}
int lineSpace = CharHeight + LineSpace;
//Draw positions
int dX = x;
int dY = y;
//If the text needs to be aligned
if (area == null)
{
area = new Rectangle(x, y, 0, 0);
}
//Set origin (vertical)
switch (vOrigin)
{
case DirV.Up:
dY = area.Value.Top;
break;
case DirV.Down:
dY = area.Value.Bottom - StringHeight(text, LineSpace);
break;
default:
dY = (area.Value.Top + area.Value.Bottom - StringHeight(text, LineSpace)) / 2;
break;
}
//Set origin (horizontal)
switch (hOrigin)
{
case DirH.Left:
dX = area.Value.Left;
break;
case DirH.Right:
dX = area.Value.Right - SubstringWidth(text);
break;
default:
dX = (area.Value.Left + area.Value.Right - SubstringWidth(text)) / 2;
break;
}
int startDX = dX;
//Go through string
for (int ii = 0; ii < text.Length; ii++)
{
//Space
if (text[ii] == ' ' || text[ii] == ' ')
{
dX += SpaceWidth;
}
else if (text[ii] == '\u2060' || text[ii] == '\u202F')
{
dX++;
}
//Newline
else if (text[ii] == '\n')
{
//Handle horizontal alignment
int targetX = x;
switch (hOrigin)
{
case DirH.Left:
targetX = area.Value.Left;
break;
case DirH.Right:
targetX = area.Value.Right - SubstringWidth(text[ii + 1].ToString());
break;
default:
targetX = (area.Value.Left + area.Value.Right - SubstringWidth(text.Substring(ii + 1).ToString())) / 2;
break;
}
dY += lineSpace;
dX = targetX;
}
//Character
else
{
int texture_char = charMap[0];//default null
if (dX > startDX)
{
dX += CharSpace;
}
//Get corresponding texture
if (charMap.ContainsKey(text[ii]))
{
texture_char = charMap[text[ii]];
}
Rectangle char_rect = spriteRects[texture_char];
DrawSprite(spriteBatch, new Vector2(dX, dY), texture_char, color);
//Move over
dX += char_rect.Width;
}
}
}
public void DrawText(SpriteBatch spriteBatch, int x, int y, string text, Rectangle?area, DirV vOrigin, DirH hOrigin)
{
DrawText(spriteBatch, x, y, text, area, vOrigin, hOrigin, Color.White);
}
public void DrawText(SpriteBatch spriteBatch, int x, int y, string text, Rectangle?area, DirV vOrigin, DirH hOrigin, Color color)
{
DrawText(spriteBatch, x, y, text, area, vOrigin, hOrigin, color, 0, text.Length);
}
