/// <summary>
/// Initializes a new instance of the <see cref="StaggeredNeighbours"/> class.
/// </summary>
/// <param name="tileMapLayer">The tile map layer.</param>
/// <param name="center">The center.</param>
/// <param name="staggerAxis">The stagger axis.</param>
/// <param name="staggerIndex">Index of the stagger.</param>
public StaggeredNeighbours(TiledMapLayer tileMapLayer, LayerTile center, TiledMapStaggerAxisType staggerAxis, TiledMapStaggerIndexType staggerIndex)
: base(tileMapLayer, center)
{
this.staggerAxis = staggerAxis;
this.staggerIndex = staggerIndex;
}
/// <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++;
}
private void UpdateTile(LayerTile layerTile, Entity tileEntity)
{
tileEntity.IsVisible = layerTile != null;
if (layerTile != null)
{
tileEntity.FindComponent<Transform2D>().LocalPosition = layerTile.LocalPosition;
}
}
/// <summary>
/// Initializes this component
/// </summary>
protected override void Initialize()
{
base.Initialize();
this.tiledMap = this.Owner.Parent.FindComponent<TiledMap>();
this.tileTable = new LayerTile[this.tiledMap.Width, this.tiledMap.Height];
for (int i = 0; i < this.tmxLayer.Tiles.Count; i++)
{
var tmxTile = this.tmxLayer.Tiles[i];
Tileset selectedTileset = null;
if (tmxTile.Gid > 0)
{
foreach (var tileset in this.tiledMap.Tilesets)
{
if (tmxTile.Gid <= tileset.LastGid)
{
selectedTileset = tileset;
break;
}
}
}
LayerTile tile = new LayerTile(tmxTile, selectedTileset);
this.tiles.Add(tile);
int x = i % this.tiledMap.Width;
int y = i / this.tiledMap.Width;
this.tileTable[x, y] = tile;
}
}
/// <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
}
/// <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>
/// Gets a <see cref="NeighboursCollection"/> that contains the neighbour of the spefied tile.
/// </summary>
/// <param name="tile">The tile.</param>
/// <returns></returns>
/// <exception cref="System.ArgumentNullException">The tile argument can not be null</exception>
public NeighboursCollection GetNeighboursFromTile(LayerTile tile)
{
if (tile == null)
{
throw new ArgumentNullException("The tile argument can not be null");
}
if (!this.isLayerLoaded)
{
return null;
}
switch (tiledMap.Orientation)
{
case TiledMapOrientationType.Orthogonal:
return new OrthogonalNeighbours(this, tile);
case TiledMapOrientationType.Isometric:
return new IsometricNeighbours(this, tile);
case TiledMapOrientationType.Staggered:
return new StaggeredNeighbours(this, tile, tiledMap.StaggerAxis, tiledMap.StaggerIndex);
case TiledMapOrientationType.Hexagonal:
return new HexagonalNeighbours(this, tile, tiledMap.StaggerAxis, tiledMap.StaggerIndex);
default:
return null;
}
}
/// <summary>
/// Refresh layer meshes.
/// </summary>
private void RefreshMeshes()
{
this.meshes.Clear();
// If the tiles count is changed, clear the previous buffers an init a new ones
int newNTiles = this.tiledMapLayer.Tiles.Count();
if (newNTiles != this.nTiles)
{
this.RemoveBuffers();
this.nTiles = newNTiles;
// Vertices
this.vertices = new VertexPositionColorTexture[this.nTiles * verticesPerTile];
this.vertexBuffer = new DynamicVertexBuffer(VertexPositionColorTexture.VertexFormat);
// Indices
ushort[] indices = new ushort[this.nTiles * indicesPerTile];
for (int i = 0; i < this.nTiles; i++)
{
indices[i * 6] = (ushort)(i * 4);
indices[(i * 6) + 1] = (ushort)((i * 4) + 1);
indices[(i * 6) + 2] = (ushort)((i * 4) + 2);
indices[(i * 6) + 3] = (ushort)((i * 4) + 2);
indices[(i * 6) + 4] = (ushort)((i * 4) + 3);
indices[(i * 6) + 5] = (ushort)(i * 4);
}
this.indexBuffer = new IndexBuffer(indices);
}
int tileIndex = 0;
int startIndex = 0;
int currentIndexCount = 0;
Tileset currentTileset = null;
for (int i = 0; i < this.tiledMap.Height; i++)
{
for (int j = 0; j < this.tiledMap.Width; j++)
{
int x, y;
this.GetCellRenderOrderByIndex(j, i, out x, out y);
LayerTile tile = this.tiledMapLayer.GetLayerTileByMapCoordinates(x, y);
if (tile == null || tile.Gid <= 0 || tile.Tileset == null || tile.Tileset.Image == null)
{
continue;
}
Tileset tileset = tile.Tileset;
if (currentTileset == null)
{
currentTileset = tileset;
}
else if (tileset != currentTileset)
{
this.NewMesh(startIndex, currentIndexCount, currentTileset.Image);
startIndex = tileIndex;
currentIndexCount = 0;
currentTileset = tileset;
}
this.FillTile(currentTileset, tile, tileIndex);
tileIndex++;
currentIndexCount++;
}
}
if (currentTileset != null)
{
this.vertexBuffer.SetData(this.vertices);
this.GraphicsDevice.BindVertexBuffer(this.vertexBuffer);
this.NewMesh(startIndex, currentIndexCount, currentTileset.Image);
}
}
public void MoveToTile(LayerTile tile)
{
this.MoveToTileCoords(tile.X, tile.Y);
}
protected override void Initialize()
{
base.Initialize();
// Generate the Adjacency Matrix based on the TiledMapLayer
this.groundTiledLayer = this.tiledMap.TileLayers["Ground"];
this.pathFinder.AdjacencyMatrix = this.GetAdjacencyMatrixFromTiledMapLayer(this.groundTiledLayer, this.weightsByTileId);
// TODO: NOT NECESSARY
this.pathFindingAlgorithm.AdjacencyMatrix = this.pathFinder.AdjacencyMatrix;
this.currentTile = this.groundTiledLayer.GetLayerTileByMapCoordinates(2, 3);
// Move to starting tile
this.SetTransformPosition(this.currentTile.LocalPosition);
}
protected override void Update(TimeSpan gameTime)
{
if (this.nextTile != null)
{
this.elapsed += gameTime;
var amount = Math.Min(1, this.elapsed.TotalSeconds / 0.5f);
this.SetTransformPosition(Vector2.Lerp(this.currentTile.LocalPosition, this.nextTile.LocalPosition, (float)amount));
if (amount >= 1)
{
this.currentTile = nextTile;
this.nextTile = null;
if (this.pathToFollow.Count == 0)
{
this.UpdateCurrentAnimation();
}
}
}
else if (this.pathToFollow.Count > 0)
{
this.nextTile = this.pathToFollow.First();
this.pathToFollow.Remove(this.nextTile);
this.elapsed = TimeSpan.Zero;
this.UpdateCurrentAnimation();
}
}
/// <summary>
/// Initializes a new instance of the <see cref="OrthogonalNeighbours"/> class.
/// </summary>
/// <param name="tileMapLayer">The tile map layer.</param>
/// <param name="center">The center.</param>
public OrthogonalNeighbours(TiledMapLayer tileMapLayer, LayerTile center)
: base(tileMapLayer, center)
{
}
/// <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>
/// Initializes a new instance of the <see cref="OrthogonalNeighbours"/> class.
/// </summary>
/// <param name="tileMapLayer">The tile map layer.</param>
/// <param name="center">The center.</param>
public OrthogonalNeighbours(TiledMapLayer tileMapLayer, LayerTile center)
: base(tileMapLayer, center)
{
}
/// <summary>
/// Initialize Layer
/// </summary>
private void LoadLayer()
{
this.tiles = new List<LayerTile>();
if(this.Owner.Parent == null)
{
return;
}
this.tiledMap = this.Owner.Parent.FindComponent<TiledMap>();
if (this.tiledMap != null && this.tiledMap.TmxMap != null)
{
this.tmxLayer = this.tiledMap.TmxMap.Layers.FirstOrDefault(l => l.Name == this.tmxLayerName);
if (this.tmxLayer != null)
{
this.tileTable = new LayerTile[this.tiledMap.Width, this.tiledMap.Height];
for (int i = 0; i < this.tmxLayer.Tiles.Count; i++)
{
var tmxTile = this.tmxLayer.Tiles[i];
Tileset selectedTileset = null;
if (tmxTile.Gid > 0)
{
foreach (var tileset in this.tiledMap.Tilesets)
{
if (tmxTile.Gid <= tileset.LastGid)
{
selectedTileset = tileset;
break;
}
}
}
LayerTile tile = new LayerTile(tmxTile, selectedTileset);
this.tiles.Add(tile);
Vector2 tileLocalPosition;
this.tiledMap.GetTilePosition(tile.X, tile.Y, selectedTileset, out tileLocalPosition);
tile.LocalPosition = tileLocalPosition;
int x = i % this.tiledMap.Width;
int y = i / this.tiledMap.Width;
this.tileTable[x, y] = tile;
}
this.isLayerLoaded = true;
this.NeedRefresh = true;
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="IsometricNeighbours"/> class.
/// </summary>
/// <param name="tileMapLayer">The tile map layer.</param>
/// <param name="center">The center.</param>
public IsometricNeighbours(TiledMapLayer tileMapLayer, LayerTile center)
: base(tileMapLayer, center)
{
}
/// <summary>
/// Refresh layer meshes.
/// </summary>
private void RefreshMeshes()
{
this.meshes.Clear();
// If the tiles count is changed, clear the previous buffers an init a new ones
int newNTiles = this.tiledMapLayer.Tiles.Count();
if (newNTiles != this.nTiles)
{
this.RemoveBuffers();
this.nTiles = newNTiles;
var bufferCount = (int)Math.Ceiling((float)newNTiles / MaxTilesPerBuffer);
this.vertices = new VertexPositionColorTexture[bufferCount][];
this.vertexBuffer = new DynamicVertexBuffer[bufferCount];
this.indexBuffer = new IndexBuffer[bufferCount];
for (int j = 0; j < bufferCount; j++)
{
int nBufferTiles = Math.Min(MaxTilesPerBuffer, this.nTiles - (j * MaxTilesPerBuffer));
// Vertices
this.vertices[j] = new VertexPositionColorTexture[nBufferTiles * VerticesPerTile];
this.vertexBuffer[j] = new DynamicVertexBuffer(VertexPositionColorTexture.VertexFormat);
// Indices
ushort[] indices = new ushort[nBufferTiles * IndicesPerTile];
for (int i = 0; i < nBufferTiles; i++)
{
indices[i * 6] = (ushort)(i * 4);
indices[(i * 6) + 1] = (ushort)((i * 4) + 1);
indices[(i * 6) + 2] = (ushort)((i * 4) + 2);
indices[(i * 6) + 3] = (ushort)((i * 4) + 2);
indices[(i * 6) + 4] = (ushort)((i * 4) + 3);
indices[(i * 6) + 5] = (ushort)(i * 4);
}
this.indexBuffer[j] = new IndexBuffer(indices);
}
}
int tileIndex = 0;
int startIndex = 0;
int currentIndexCount = 0;
int bufferIndex = 0;
var boundingBox = new BoundingBox(new Vector3(float.MaxValue), new Vector3(float.MinValue));
Tileset currentTileset = null;
for (int i = 0; i < this.tiledMap.Height; i++)
{
for (int j = 0; j < this.tiledMap.Width; j++)
{
int x, y;
this.GetCellRenderOrderByIndex(j, i, out x, out y);
LayerTile tile = this.tiledMapLayer.GetLayerTileByMapCoordinates(x, y);
if (tile == null || tile.Id < 0 || tile.Tileset == null || tile.Tileset.Image == null)
{
continue;
}
Tileset tileset = tile.Tileset;
if (currentTileset == null)
{
currentTileset = tileset;
}
else if (tileset != currentTileset)
{
this.NewMesh(startIndex, currentIndexCount, bufferIndex, currentTileset.Image, ref boundingBox);
startIndex = tileIndex;
currentIndexCount = 0;
currentTileset = tileset;
boundingBox = new BoundingBox(new Vector3(float.MaxValue), new Vector3(float.MinValue));
}
this.FillTile(currentTileset, tile, bufferIndex, tileIndex, ref boundingBox);
tileIndex++;
currentIndexCount++;
if (tileIndex == MaxTilesPerBuffer)
{
this.vertexBuffer[bufferIndex].SetData(this.vertices[bufferIndex]);
this.GraphicsDevice.BindVertexBuffer(this.vertexBuffer[bufferIndex]);
this.NewMesh(startIndex, currentIndexCount, bufferIndex, currentTileset.Image, ref boundingBox);
tileIndex = 0;
startIndex = 0;
currentIndexCount = 0;
currentTileset = null;
boundingBox = new BoundingBox(new Vector3(float.MaxValue), new Vector3(float.MinValue));
bufferIndex++;
}
}
}
if (currentTileset != null)
{
this.vertexBuffer[bufferIndex].SetData(this.vertices[bufferIndex]);
this.GraphicsDevice.BindVertexBuffer(this.vertexBuffer[bufferIndex]);
this.NewMesh(startIndex, currentIndexCount, bufferIndex, currentTileset.Image, ref boundingBox);
}
this.transform2D.Rectangle = this.tiledMap.CalcRectangle();
}
/// <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);
float texCoordXStart, texCoordXEnd;
float texCoordYStart, texCoordYEnd;
#region Flip calculation
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;
}
#endregion
// 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++;
}
/// <summary>
/// Initializes a new instance of the <see cref="IsometricNeighbours"/> class.
/// </summary>
/// <param name="tileMapLayer">The tile map layer.</param>
/// <param name="center">The center.</param>
public IsometricNeighbours(TiledMapLayer tileMapLayer, LayerTile center)
: base(tileMapLayer, center)
{
}
