/// <summary>
/// Initializes a new instance of the <see cref="TilesetTile" /> class.
/// </summary>>
/// <param name="tmxTilesetTile">The TMX parsed tileset tile.</param>
/// <param name="tileset">The associated tileset</param>
public TilesetTile(TmxTilesetTile tmxTilesetTile, Tileset tileset)
{
this.Tileset = tileset;
this.ID = tmxTilesetTile.Id;
this.Probability = tmxTilesetTile.Probability;
this.Properties = new Dictionary<string, string>(tmxTilesetTile.Properties);
this.TerrainEdges = new List<TilesetTerrain>();
if (tmxTilesetTile.BottomRight != null)
{
this.BottomRight = this.Tileset.Terrains[tmxTilesetTile.BottomRight.Name];
this.TerrainEdges.Add(this.BottomRight);
}
if (tmxTilesetTile.BottomLeft != null)
{
this.BottomLeft = this.Tileset.Terrains[tmxTilesetTile.BottomLeft.Name];
this.TerrainEdges.Add(this.BottomLeft);
}
if (tmxTilesetTile.TopRight != null)
{
this.TopRight = this.Tileset.Terrains[tmxTilesetTile.TopRight.Name];
this.TerrainEdges.Add(this.TopRight);
}
if (tmxTilesetTile.TopLeft != null)
{
this.TopLeft = this.Tileset.Terrains[tmxTilesetTile.TopLeft.Name];
this.TerrainEdges.Add(this.TopLeft);
}
}
/// <summary>
/// Gets the tile rectangle by tile identifier.
/// </summary>
/// <param name="tileset">The tileset.</param>
/// <param name="tileId">The tile identifier.</param>
/// <returns>Tile rectangle</returns>
public static Rectangle GetRectangleTileByID(Tileset tileset, int tileId)
{
int rectangleX = (tileId % tileset.XTilesCount);
int rectangleY = ((tileId - rectangleX) / tileset.XTilesCount);
int x = tileset.Margin + (tileset.TileWidth + tileset.Spacing) * rectangleX;
int y = tileset.Margin + (tileset.TileHeight + tileset.Spacing) * rectangleY;
return new Rectangle(x, y, tileset.TileWidth, tileset.TileHeight);
}
/// <summary>
/// Initializes a new instance of the <see cref="LayerTile" /> class.
/// </summary>>
/// <param name="tmxTile">The TMX parsed tile.</param>
/// <param name="tileset">Th</param>
public LayerTile(TmxLayerTile tmxTile, Tileset tileset)
{
this.X = tmxTile.X;
this.Y = tmxTile.Y;
this.HorizontalFlip = tmxTile.HorizontalFlip;
this.VerticalFlip = tmxTile.VerticalFlip;
this.DiagonalFlip = tmxTile.DiagonalFlip;
if (tileset != null)
{
this.Tileset = tileset;
this.Id = tmxTile.Gid - this.Tileset.FirstGid;
this.TilesetTile = this.Tileset.TilesTable[this.Id];
}
}
/// <summary>
/// Fill VertexBuffer with a tile
/// </summary>
/// <param name="tileset">The tileset.</param>
/// <param name="tile">The tile information.</param>
/// <param name="tileIndex">Current tileId</param>
private void FillTile(Tileset tileset, LayerTile tile, int tileIndex)
{
int textureWidth = tileset.Image.Width;
int textureHeight = tileset.Image.Height;
var rect = TiledMapUtils.GetRectangleTileByID(tileset, tile.Id);
RectangleF tileRectangle = new RectangleF(
rect.X / (float)textureWidth,
rect.Y / (float)textureHeight,
rect.Width / (float)textureWidth,
rect.Height / (float)textureHeight);
int vertexId = tileIndex * verticesPerTile;
Vector2 position;
this.tiledMap.GetTilePosition(tile.X, tile.Y, tileset, out position);
tile.LocalPosition = position;
var textCoord0 = new Vector2(tileRectangle.X, tileRectangle.Y);
var textCoord1 = new Vector2(tileRectangle.X + tileRectangle.Width, tileRectangle.Y);
var textCoord2 = new Vector2(tileRectangle.X + tileRectangle.Width, tileRectangle.Y + tileRectangle.Height);
var textCoord3 = new Vector2(tileRectangle.X, tileRectangle.Y + tileRectangle.Height);
#region Flip calculation
if (tile.HorizontalFlip)
{
var texCoordAux = textCoord0;
textCoord0 = textCoord1;
textCoord1 = texCoordAux;
texCoordAux = textCoord2;
textCoord2 = textCoord3;
textCoord3 = texCoordAux;
}
if (tile.VerticalFlip)
{
var texCoordAux = textCoord0;
textCoord0 = textCoord3;
textCoord3 = texCoordAux;
texCoordAux = textCoord2;
textCoord2 = textCoord1;
textCoord1 = texCoordAux;
}
if (tile.DiagonalFlip)
{
var texCoordAux = textCoord0;
textCoord0 = textCoord2;
textCoord2 = texCoordAux;
}
#endregion
// Vertex 0
this.vertices[vertexId].Position = new Vector3(position.X, position.Y, 0);
this.vertices[vertexId].Color = Color.White;
this.vertices[vertexId].TexCoord = textCoord0;
vertexId++;
// Vertex 1
this.vertices[vertexId].Position = new Vector3(position.X + tileset.TileWidth, position.Y, 0);
this.vertices[vertexId].Color = Color.White;
this.vertices[vertexId].TexCoord = textCoord1;
vertexId++;
// Vertex 2
this.vertices[vertexId].Position = new Vector3(position.X + tileset.TileWidth, position.Y + tileset.TileHeight, 0);
this.vertices[vertexId].Color = Color.White;
this.vertices[vertexId].TexCoord = textCoord2;
vertexId++;
// Vertex 3
this.vertices[vertexId].Position = new Vector3(position.X, position.Y + tileset.TileHeight, 0);
this.vertices[vertexId].Color = Color.White;
this.vertices[vertexId].TexCoord = textCoord3;
vertexId++;
}
/// <summary>
/// Create tilesets associated to this map.
/// </summary>
private void CreateTilesets()
{
// Load tilesets
foreach (var tmxTileset in this.TmxMap.Tilesets)
{
var tileset = new Tileset(tmxTileset, this);
this.tilesets.Add(tileset);
}
}
/// <summary>
/// Obtains the tile position
/// </summary>
/// <param name="x">The X tile coord.</param>
/// <param name="y">The Y tile coord.</param>
/// <param name="tileset">The tileset.</param>
/// <param name="position">The tile position</param>
internal void GetTilePosition(int x, int y, Tileset tileset, out Vector2 position)
{
if (this.TmxMap == null)
{
position = Vector2.Zero;
return;
}
switch (this.Orientation)
{
case TiledMapOrientationType.Orthogonal:
position = new Vector2(
x * this.TileWidth,
y * this.TileHeight);
break;
case TiledMapOrientationType.Isometric:
position = new Vector2(
((x - y) * this.TileWidth * 0.5f) + (this.Height * this.TileWidth * 0.5f) - this.TileWidth * 0.5f,
(x + y) * this.TileHeight * 0.5f);
break;
case TiledMapOrientationType.Staggered:
case TiledMapOrientationType.Hexagonal:
int sideLengthX = 0;
int sideLengthY = 0;
float rowSize = 0;
float columSize = 0;
int staggerIndexSign = this.StaggerIndex == TiledMapStaggerIndexType.Odd ? 1 : -1;
var staggerAxisOffset = this.StaggerIndex == TiledMapStaggerIndexType.Even ? 0.5f : 0;
if (this.Orientation == TiledMapOrientationType.Hexagonal)
{
if (this.StaggerAxis == TiledMapStaggerAxisType.X)
{
sideLengthX = this.HexSideLength;
}
else
{
sideLengthY = this.HexSideLength;
}
}
if (this.StaggerAxis == TiledMapStaggerAxisType.X)
{
rowSize = (x / 2) + ((x % 2) * 0.5f);
columSize = staggerAxisOffset + y + ((x % 2) * 0.5f * staggerIndexSign);
}
else
{
rowSize = staggerAxisOffset + x + ((y % 2) * 0.5f * staggerIndexSign);
columSize = y * 0.5f;
}
position = new Vector2(
rowSize * (this.TileWidth + sideLengthX),
columSize * (this.TileHeight + sideLengthY));
break;
default:
position = Vector2.Zero;
break;
}
if (tileset != null)
{
position.X += tileset.XDrawingOffset;
position.Y += tileset.YDrawingOffset + this.TileHeight - tileset.TileHeight;
}
}
/// <summary>
/// Obtains the tile position
/// </summary>
/// <param name="tile">The tile</param>
/// <param name="tileset">The tileset</param>
/// <param name="position">The tile position</param>
private void GetTilePosition(LayerTile tile, Tileset tileset, out Vector2 position)
{
switch (this.tiledMap.Orientation)
{
case TiledMapOrientationType.Orthogonal:
position = new Vector2(
tile.X * this.tiledMap.TileWidth,
tile.Y * this.tiledMap.TileHeight);
break;
case TiledMapOrientationType.Isometric:
position = new Vector2(
((tile.X - tile.Y) * this.tiledMap.TileWidth * 0.5f) + (this.tiledMap.Height * this.tiledMap.TileWidth * 0.5f) - this.tiledMap.TileWidth * 0.5f,
((tile.X + tile.Y) * this.tiledMap.TileHeight * 0.5f));
break;
case TiledMapOrientationType.Staggered:
position = new Vector2(
(tile.X + ((tile.Y % 2) * 0.5f)) * this.tiledMap.TileWidth,
tile.Y * 0.5f * this.tiledMap.TileHeight
);
break;
default:
position = Vector2.Zero;
break;
}
position.Y = position.Y + this.tiledMap.TileHeight - tileset.TileHeight;
}
/// <summary>
/// Fill VertexBuffer with a tile
/// </summary>
/// <param name="tileset">The tileset.</param>
/// <param name="tile">The tile information.</param>
/// <param name="tileIndex">Current tileId</param>
private void FillTile(Tileset tileset, LayerTile tile, int tileIndex)
{
int textureWidth = tileset.Image.Width;
int textureHeight = tileset.Image.Height;
int tilesetTileWidth = tileset.TileWidth;
int tilesetTileHeight = tileset.TileHeight;
int spacing = tileset.Spacing;
int margin = tileset.Margin;
int tileGid = tile.Gid;
int sheetIndex = tileGid - tileset.FirstGid;
int rectangleX = (sheetIndex % tileset.XTilesCount);
int rectangleY = ((sheetIndex - rectangleX) / tileset.XTilesCount);
Rectangle rect = new Rectangle(
margin + (tilesetTileWidth + spacing) * rectangleX,
margin + (tilesetTileHeight + spacing) * rectangleY,
tilesetTileWidth,
tilesetTileHeight);
RectangleF tileRectangle = new RectangleF(
rect.X / (float)textureWidth,
rect.Y / (float)textureHeight,
rect.Width / (float)textureWidth,
rect.Height / (float)textureHeight);
int vertexId = tileIndex * verticesPerTile;
Vector2 position;
this.GetTilePosition(tile, tileset, out position);
#region Flip calculation - Original version
/*
float texCoordXStart, texCoordXEnd;
float texCoordYStart, texCoordYEnd;
if (tile.HorizontalFlip)
{
texCoordXStart = tileRectangle.X + tileRectangle.Width;
texCoordXEnd = tileRectangle.X;
texCoordYStart = tileRectangle.Y;
texCoordYEnd = tileRectangle.Y + tileRectangle.Height;
}
else if (tile.VerticalFlip)
{
texCoordXStart = tileRectangle.X;
texCoordXEnd = tileRectangle.X + tileRectangle.Width;
texCoordYStart = tileRectangle.Y + tileRectangle.Height;
texCoordYEnd = tileRectangle.Y;
}
else if (tile.DiagonalFlip)
{
texCoordXStart = tileRectangle.X + tileRectangle.Width;
texCoordXEnd = tileRectangle.X;
texCoordYStart = tileRectangle.Y + tileRectangle.Height;
texCoordYEnd = tileRectangle.Y;
}
else
{
texCoordXStart = tileRectangle.X;
texCoordXEnd = tileRectangle.X + tileRectangle.Width;
texCoordYStart = tileRectangle.Y;
texCoordYEnd = tileRectangle.Y + tileRectangle.Height;
}
// Vertex 0
this.vertices[vertexId].Position = new Vector3(position.X, position.Y, 0);
this.vertices[vertexId].Color = Color.White;
this.vertices[vertexId].TexCoord = new Vector2(texCoordXStart, texCoordYStart);
vertexId++;
// Vertex 1
this.vertices[vertexId].Position = new Vector3(position.X + tileset.TileWidth, position.Y, 0);
this.vertices[vertexId].Color = Color.White;
this.vertices[vertexId].TexCoord = new Vector2(texCoordXEnd, texCoordYStart);
vertexId++;
// Vertex 2
this.vertices[vertexId].Position = new Vector3(position.X + tileset.TileWidth, position.Y + tileset.TileHeight, 0);
this.vertices[vertexId].Color = Color.White;
this.vertices[vertexId].TexCoord = new Vector2(texCoordXEnd, texCoordYEnd);
vertexId++;
// Vertex 3
this.vertices[vertexId].Position = new Vector3(position.X, position.Y + tileset.TileHeight, 0);
this.vertices[vertexId].Color = Color.White;
this.vertices[vertexId].TexCoord = new Vector2(texCoordXStart, texCoordYEnd);
vertexId++;
*/
#endregion Flip calculation - Original version
#region Flip calculation - Fixed version
var topLeft = new Vector2(tileRectangle.X, tileRectangle.Y);
var topRight = new Vector2(tileRectangle.X + tileRectangle.Width, tileRectangle.Y);
var bottomRight = new Vector2(tileRectangle.X + tileRectangle.Width, tileRectangle.Y + tileRectangle.Height);
var bottomLeft = new Vector2(tileRectangle.X, tileRectangle.Y + tileRectangle.Height);
if (tile.DiagonalFlip)
{
var temp = topRight;
topRight = bottomLeft;
bottomLeft = temp;
}
if (tile.HorizontalFlip)
{
var temp = topLeft;
topLeft = topRight;
topRight = temp;
temp = bottomRight;
bottomRight = bottomLeft;
bottomLeft = temp;
}
if (tile.VerticalFlip)
{
var temp = topLeft;
topLeft = bottomLeft;
bottomLeft = temp;
temp = topRight;
topRight = bottomRight;
bottomRight = temp;
}
// Vertex 0
this.vertices[vertexId].Position = new Vector3(position.X, position.Y, 0);
this.vertices[vertexId].Color = Color.White;
this.vertices[vertexId].TexCoord = topLeft;
vertexId++;
// Vertex 1
this.vertices[vertexId].Position = new Vector3(position.X + tileset.TileWidth, position.Y, 0);
this.vertices[vertexId].Color = Color.White;
this.vertices[vertexId].TexCoord = topRight;
vertexId++;
// Vertex 2
this.vertices[vertexId].Position = new Vector3(position.X + tileset.TileWidth, position.Y + tileset.TileHeight, 0);
this.vertices[vertexId].Color = Color.White;
this.vertices[vertexId].TexCoord = bottomRight;
vertexId++;
// Vertex 3
this.vertices[vertexId].Position = new Vector3(position.X, position.Y + tileset.TileHeight, 0);
this.vertices[vertexId].Color = Color.White;
this.vertices[vertexId].TexCoord = bottomLeft;
vertexId++;
#endregion Flip calculation - Fixed version
}