public MeshPart QuadPart(Vector2 bottomLeft, Vector2 topLeft, Vector2 bottomRight, Vector2 topRight)
{
var result = new MeshPart
{
VertexOffset = VertexCount,
VertexCount = 4,
Mesh = this
};
var baseIndex = VertexCount;
GrowVerticies(4);
Verticies[baseIndex + 0] = new Vertex {
Position = new Vector3(topLeft, 0.0f), TextureCoordinate = new Vector2(0.0f, 0.0f), Color = Vector4.One
};
Verticies[baseIndex + 1] = new Vertex {
Position = new Vector3(topRight, 0.0f), TextureCoordinate = new Vector2(1.0f, 0.0f), Color = Vector4.One
};
Verticies[baseIndex + 2] = new Vertex {
Position = new Vector3(bottomRight, 0.0f), TextureCoordinate = new Vector2(1.0f, 1.0f), Color = Vector4.One
};
Verticies[baseIndex + 3] = new Vertex {
Position = new Vector3(bottomLeft, 0.0f), TextureCoordinate = new Vector2(0.0f, 1.0f), Color = Vector4.One
};
AddIndicies(baseIndex, 0, 1, 2, 3, 0, 2);
return(result);
}
/// <summary>
/// Create a mesh for a scale9 background. This assumed the tilesheet is 3*3 and positions the
/// corners without scalling, scales the edges on one axis only, and fills the middle with the
/// center tile.
/// </summary>
/// <param name="Rect"></param>
/// <param name="Tiles"></param>
/// <param name="Corners"></param>
/// <returns></returns>
public MeshPart Scale9Part(
Rectangle Rect,
ITileSheet Tiles,
Scale9Corners Corners = Scale9Corners.All)
{
var rects = new Rectangle[9];
var margin = new Margin(0, 0, 0, 0);
if (Corners.HasFlag(Scale9Corners.Left))
{
margin.Left = Tiles.TileWidth;
}
if (Corners.HasFlag(Scale9Corners.Right))
{
margin.Right = Tiles.TileWidth;
}
if (Corners.HasFlag(Scale9Corners.Top))
{
margin.Top = Tiles.TileHeight;
}
if (Corners.HasFlag(Scale9Corners.Bottom))
{
margin.Bottom = Tiles.TileHeight;
}
rects[0] = new Rectangle(Rect.Left, Rect.Top, margin.Left, margin.Top);
rects[1] = new Rectangle(Rect.Left + margin.Left, Rect.Top, Rect.Width - margin.Left - margin.Right, margin.Top);
rects[2] = new Rectangle(Rect.Right - margin.Right, Rect.Top, margin.Right, margin.Top);
rects[3] = new Rectangle(Rect.Left, Rect.Top + margin.Top, margin.Left, Rect.Height - margin.Top - margin.Bottom);
rects[4] = new Rectangle(Rect.Left + margin.Left, Rect.Top + margin.Top, Rect.Width - margin.Left - margin.Right, Rect.Height - margin.Top - margin.Bottom);
rects[5] = new Rectangle(Rect.Right - margin.Right, Rect.Top + margin.Top, margin.Right, Rect.Height - margin.Top - margin.Bottom);
rects[6] = new Rectangle(Rect.Left, Rect.Bottom - margin.Bottom, margin.Left, margin.Bottom);
rects[7] = new Rectangle(Rect.Left + margin.Left, Rect.Bottom - margin.Bottom, Rect.Width - margin.Left - margin.Right, margin.Bottom);
rects[8] = new Rectangle(Rect.Right - margin.Right, Rect.Bottom - margin.Bottom, margin.Right, margin.Bottom);
var result = new MeshPart {
VertexOffset = this.VertexCount, Mesh = this
};
for (var i = 0; i < 9; ++i)
{
if (rects[i].Width != 0 && rects[i].Height != 0)
{
if (Tiles.RepeatWhenUsedAsBorder)
{
TiledSpritePart(rects[i], Tiles, i);
}
else
{
FittedSpritePart(rects[i], Tiles, i);
}
}
}
result.VertexCount = this.VertexCount - result.VertexOffset;
return(result);
}
public MeshPart StringPart(
String String,
ITileSheet FontSheet,
Vector2 GlyphScale,
out Rectangle Bounds)
{
var pos = Vector2.Zero;
var maxX = 0.0f;
var r = new MeshPart
{
Mesh = this,
VertexOffset = this.VertexCount
};
foreach (var c in String)
{
if (c == '\n')
{
if (pos.X > maxX)
{
maxX = pos.X;
}
pos.X = 0;
pos.Y += FontSheet.TileHeight * GlyphScale.Y;
}
else if (c < 32)
{
continue;
}
else
{
var x = c;
if (!FontSheet.HasGlyph(c - ' '))
{
x = '*';
}
var glyphSize = FontSheet.GlyphSize(x - ' ');
QuadPart()
.Texture(FontSheet.TileMatrix(x - ' '))
.Scale(glyphSize.X * GlyphScale.X, glyphSize.Y * GlyphScale.Y)
.Translate(pos.X, pos.Y);
pos.X += glyphSize.X * GlyphScale.X;
}
}
Bounds = new Rectangle(0, 0, (int)global::System.Math.Max(maxX, pos.X), (int)(pos.Y + ((FontSheet.TileHeight * GlyphScale.Y))));
r.VertexCount = this.VertexCount - r.VertexOffset;
return(r);
}
// Tiles a sprite across a rect. Expensive!
public MeshPart TiledSpritePart(Rectangle Rect, ITileSheet Tiles, int Tile)
{
var pos = new Point(Rect.X, Rect.Y);
var r = new MeshPart {
VertexOffset = this.VertexCount, Mesh = this
};
while (pos.X < Rect.Right)
{
while (pos.Y < Rect.Bottom)
{
var quad = QuadPart();
var size = new Point(Tiles.TileWidth, Tiles.TileHeight);
// Adjust texture coordinates if needed.
if (pos.Y + Tiles.TileHeight > Rect.Bottom)
{
size.Y = Rect.Bottom - pos.Y;
var ratio = (float)(size.Y) / (float)Tiles.TileHeight;
quad.MorphEx(v => { v.TextureCoordinate.Y *= ratio; return(v); });
}
if (pos.X + Tiles.TileWidth > Rect.Right)
{
size.X = Rect.Right - pos.X;
var ratio = (float)(size.X) / (float)Tiles.TileWidth;
quad.MorphEx(v => { v.TextureCoordinate.X *= ratio; return(v); });
}
quad.Scale(size.X, size.Y)
.Translate(pos.X, pos.Y)
.Texture(Tiles.TileMatrix(Tile));
pos.Y += Tiles.TileHeight;
}
pos.Y = Rect.Y;
pos.X += Tiles.TileWidth;
}
r.VertexCount = this.VertexCount - r.VertexOffset;
return(r);
}
public MeshPart CreateTabPanelBackgroundPart(Rectangle Rect, ITileSheet Tiles, int TabX, int TabWidth)
{
var r = new MeshPart {
Mesh = this, VertexOffset = this.VertexCount
};
//Top-left corner
if (TabX == Rect.X)
{
//Vertical edge segment
QuadPart()
.Texture(Tiles.TileMatrix(3))
.Scale(Tiles.TileWidth, Tiles.TileHeight)
.Translate(Rect.X, Rect.Y);
}
else
{
//Corner
QuadPart()
.TileScaleAndTexture(Tiles, 0)
.Translate(Rect.X, Rect.Y);
//Top edge
QuadPart()
.Texture(Tiles.TileMatrix(1))
.Scale(TabX - Rect.X - Tiles.TileWidth, Tiles.TileHeight)
.Translate(Rect.X + Tiles.TileWidth, Rect.Y);
//Interior corner
QuadPart()
.Texture(Tiles.TileMatrix(9))
.Scale(Tiles.TileWidth, Tiles.TileHeight)
.Translate(TabX, Rect.Y);
}
//Top-right corner
if (Rect.X + Rect.Width == TabX + TabWidth)
{
//Vertical edge segment
QuadPart()
.Texture(Tiles.TileMatrix(5))
.Scale(Tiles.TileWidth, Tiles.TileHeight)
.Translate(Rect.Right - Tiles.TileWidth, Rect.Y);
}
else
{
//Corner
QuadPart()
.TileScaleAndTexture(Tiles, 2)
.Translate(Rect.Right - Tiles.TileWidth, Rect.Y);
//Top edge
QuadPart()
.Texture(Tiles.TileMatrix(1))
.Scale(Rect.Right - TabX - TabWidth - Tiles.TileWidth, Tiles.TileHeight)
.Translate(TabX + TabWidth, Rect.Y);
//Interior corner
QuadPart()
.Texture(Tiles.TileMatrix(10))
.Scale(Tiles.TileWidth, Tiles.TileHeight)
.Translate(TabX + TabWidth - Tiles.TileWidth, Rect.Y);
}
//Top edge - bottom of tab
QuadPart()
.Texture(Tiles.TileMatrix(4))
.Scale(TabWidth - (2 * Tiles.TileWidth), Tiles.TileHeight)
.Translate(TabX + Tiles.TileWidth, Rect.Y);
//Bottom-left corner
QuadPart()
.TileScaleAndTexture(Tiles, 6)
.Translate(Rect.X, Rect.Bottom - Tiles.TileHeight);
//Bottom-right corner
QuadPart()
.TileScaleAndTexture(Tiles, 8)
.Translate(Rect.Right - Tiles.TileWidth, Rect.Bottom - Tiles.TileHeight);
//Bottom edge
QuadPart()
.Texture(Tiles.TileMatrix(7))
.Scale(Rect.Width - (2 * Tiles.TileWidth), Tiles.TileHeight)
.Translate(Rect.X + Tiles.TileWidth, Rect.Bottom - Tiles.TileHeight);
//Left edge
QuadPart()
.Texture(Tiles.TileMatrix(3))
.Scale(Tiles.TileWidth, Rect.Height - (2 * Tiles.TileHeight))
.Translate(Rect.X, Rect.Y + Tiles.TileHeight);
//Right edge
QuadPart()
.Texture(Tiles.TileMatrix(5))
.Scale(Tiles.TileWidth, Rect.Height - (2 * Tiles.TileHeight))
.Translate(Rect.Right - Tiles.TileWidth, Rect.Y + Tiles.TileHeight);
//Center
QuadPart()
.Texture(Tiles.TileMatrix(4))
.Scale(Rect.Width - (2 * Tiles.TileWidth), Rect.Height - (2 * Tiles.TileHeight))
.Translate(Rect.X + Tiles.TileWidth, Rect.Y + Tiles.TileHeight);
r.VertexCount = this.VertexCount - r.VertexOffset;
return(r);
}
