protected override void InternalFromXml(System.Xml.Linq.XElement xml, TmxMap tmxMap)
{
// Get the tile
uint gid = TmxHelper.GetAttributeAsUInt(xml, "gid");
this.Tile = tmxMap.Tiles[gid];
// Our size is given by the tile
this.Size = this.Tile.TileSize;
}
public Point GetMapPositionAt(int x, int y, TmxTile tile)
{
Point point = GetMapPositionAt(x, y);
// The tile may have different dimensions than the cells of the map so correct for that
// In this case, the y-position needs to be adjusted
point.Y = (point.Y + this.TileHeight) - tile.TileSize.Height;
return point;
}
private PointF[] CalculateFaceTextureCoordinates(TmxTile tmxTile, bool flipDiagonal, bool flipHorizontal, bool flipVertical)
{
Point imageLocation = tmxTile.LocationOnSource;
Size tileSize = tmxTile.TileSize;
Size imageSize = tmxTile.TmxImage.Size;
PointF[] points = new PointF[4];
points[0] = imageLocation;
points[1] = PointF.Add(imageLocation, new Size(tileSize.Width, 0));
points[2] = PointF.Add(imageLocation, tileSize);
points[3] = PointF.Add(imageLocation, new Size(0, tileSize.Height));
PointF center = new PointF(tileSize.Width * 0.5f, tileSize.Height * 0.5f);
center.X += imageLocation.X;
center.Y += imageLocation.Y;
TmxMath.TransformPoints_DiagFirst(points, center, flipDiagonal, flipHorizontal, flipVertical);
//TmxMath.TransformPoints(points, center, flipDiagonal, flipHorizontal, flipVertical);
PointF[] coordinates = new PointF[4];
coordinates[3] = PointToTextureCoordinate(points[0], imageSize);
coordinates[2] = PointToTextureCoordinate(points[1], imageSize);
coordinates[1] = PointToTextureCoordinate(points[2], imageSize);
coordinates[0] = PointToTextureCoordinate(points[3], imageSize);
// Apply a small bias to the "inner" edges of the texels
// This keeps us from seeing seams
//const float bias = 1.0f / 8192.0f;
//const float bias = 1.0f / 4096.0f;
//const float bias = 1.0f / 2048.0f;
if (Tiled2Unity.Settings.TexelBias > 0)
{
float bias = 1.0f / Tiled2Unity.Settings.TexelBias;
PointF[] multiply = new PointF[4];
multiply[0] = new PointF(1, 1);
multiply[1] = new PointF(-1, 1);
multiply[2] = new PointF(-1, -1);
multiply[3] = new PointF(1, -1);
// This nudge has to be transformed too
TmxMath.TransformPoints_DiagFirst(multiply, Point.Empty, flipDiagonal, flipHorizontal, flipVertical);
coordinates[0] = TmxMath.AddPoints(coordinates[0], TmxMath.ScalePoints(multiply[0], bias));
coordinates[1] = TmxMath.AddPoints(coordinates[1], TmxMath.ScalePoints(multiply[1], bias));
coordinates[2] = TmxMath.AddPoints(coordinates[2], TmxMath.ScalePoints(multiply[2], bias));
coordinates[3] = TmxMath.AddPoints(coordinates[3], TmxMath.ScalePoints(multiply[3], bias));
}
return coordinates;
}
private void ParseTilesetFromImageLayer(XElement elemImageLayer)
{
string tilesetName = TmxHelper.GetAttributeAsString(elemImageLayer, "name");
XElement xmlImage = elemImageLayer.Element("image");
if (xmlImage == null)
{
Logger.WriteWarning("Image Layer '{0}' has no image assigned.", tilesetName);
return;
}
TmxImage tmxImage = TmxImage.FromXml(xmlImage);
// The "firstId" is is always one more than all the tiles that we've already parsed (which may be zero)
uint firstId = 1;
if (this.Tiles.Count > 0)
{
firstId = this.Tiles.Max(t => t.Key) + 1;
}
uint localId = 1;
uint globalId = firstId + localId;
TmxTile tile = new TmxTile(globalId, localId, tilesetName, tmxImage);
tile.SetTileSize(tmxImage.Size.Width, tmxImage.Size.Height);
tile.SetLocationOnSource(0, 0);
this.Tiles[tile.GlobalId] = tile;
}
// This method is called eventually for external tilesets too
// Only the gid attribute has been consumed at this point for the tileset
private void ParseInternalTileset(XElement elemTileset, uint firstId)
{
string tilesetName = TmxHelper.GetAttributeAsString(elemTileset, "name");
Logger.WriteLine("Parse internal tileset '{0}' (gid = {1}) ...", tilesetName, firstId);
int tileWidth = TmxHelper.GetAttributeAsInt(elemTileset, "tilewidth");
int tileHeight = TmxHelper.GetAttributeAsInt(elemTileset, "tileheight");
int spacing = TmxHelper.GetAttributeAsInt(elemTileset, "spacing", 0);
int margin = TmxHelper.GetAttributeAsInt(elemTileset, "margin", 0);
PointF tileOffset = PointF.Empty;
XElement xmlTileOffset = elemTileset.Element("tileoffset");
if (xmlTileOffset != null)
{
tileOffset.X = TmxHelper.GetAttributeAsInt(xmlTileOffset, "x");
tileOffset.Y = TmxHelper.GetAttributeAsInt(xmlTileOffset, "y");
}
IList<TmxTile> tilesToAdd = new List<TmxTile>();
// Tilesets may have an image for all tiles within it, or it may have an image per tile
if (elemTileset.Element("image") != null)
{
TmxImage tmxImage = TmxImage.FromXml(elemTileset.Element("image"));
// Create all the tiles
// This is a bit complicated because of spacing and margin
// (Margin is ignored from Width and Height)
for (int end_y = margin + tileHeight; end_y <= tmxImage.Size.Height; end_y += spacing + tileHeight)
{
for (int end_x = margin + tileWidth; end_x <= tmxImage.Size.Width; end_x += spacing + tileWidth)
{
uint localId = (uint) tilesToAdd.Count();
uint globalId = firstId + localId;
TmxTile tile = new TmxTile(globalId, localId, tilesetName, tmxImage);
tile.Offset = tileOffset;
tile.SetTileSize(tileWidth, tileHeight);
tile.SetLocationOnSource(end_x - tileWidth, end_y - tileHeight);
tilesToAdd.Add(tile);
}
}
}
else
{
// Each tile will have it's own image
foreach (var t in elemTileset.Elements("tile"))
{
TmxImage tmxImage = TmxImage.FromXml(t.Element("image"));
uint localId = (uint)tilesToAdd.Count();
// Local Id can be overridden by the tile element
// This is because tiles can be removed from the tileset, so we won'd always have a zero-based index
localId = TmxHelper.GetAttributeAsUInt(t, "id", localId);
uint globalId = firstId + localId;
TmxTile tile = new TmxTile(globalId, localId, tilesetName, tmxImage);
tile.Offset = tileOffset;
tile.SetTileSize(tmxImage.Size.Width, tmxImage.Size.Height);
tile.SetLocationOnSource(0, 0);
tilesToAdd.Add(tile);
}
}
StringBuilder builder = new StringBuilder();
foreach (TmxTile tile in tilesToAdd)
{
builder.AppendFormat("{0}", tile.ToString());
if (tile != tilesToAdd.Last()) builder.Append("\n");
this.Tiles[tile.GlobalId] = tile;
}
Logger.WriteLine("Added {0} tiles", tilesToAdd.Count);
// Add any extra data to tiles
foreach (var elemTile in elemTileset.Elements("tile"))
{
int localTileId = TmxHelper.GetAttributeAsInt(elemTile, "id");
var tiles = from t in this.Tiles
where t.Value.GlobalId == localTileId + firstId
select t.Value;
// Note that some old tile data may be sticking around
if (tiles.Count() == 0)
{
Logger.WriteWarning("Tile '{0}' in tileset '{1}' does not exist but there is tile data for it.\n{2}", localTileId, tilesetName, elemTile.ToString());
}
else
{
tiles.First().ParseTileXml(elemTile, this, firstId);
}
}
}
private void ParseTilesetFromImageLayer(XElement elemImageLayer)
{
string tilesetName = TmxHelper.GetAttributeAsString(elemImageLayer, "name");
XElement xmlImage = elemImageLayer.Element("image");
if (xmlImage == null)
{
Program.WriteWarning("Image Layer '{0}' has no image assigned.", tilesetName);
return;
}
TmxImage tmxImage = TmxImage.FromXml(xmlImage);
uint firstId = this.Tiles.Max(t => t.Key) + 1;
uint localId = 1;
uint globalId = firstId + localId;
TmxTile tile = new TmxTile(globalId, localId, tilesetName, tmxImage);
tile.SetTileSize(tmxImage.Size.Width, tmxImage.Size.Height);
tile.SetLocationOnSource(0, 0);
this.Tiles[tile.GlobalId] = tile;
}
private bool CanAddFrame(TmxTile tile, int startMs, int durationMs)
{
if (IsMeshFull())
return false;
if (this.TmxImage != tile.TmxImage)
return false;
if (this.StartTimeMs != startMs)
return false;
if (this.DurationMs != durationMs)
return false;
return true;
}
// Creates a TmxMesh from a tile (for tile objects)
public static List<TmxMesh> FromTmxTile(TmxTile tmxTile, TmxMap tmxMap)
{
List<TmxMesh> meshes = new List<TmxMesh>();
int timeMs = 0;
foreach (var frame in tmxTile.Animation.Frames)
{
uint frameTileId = frame.GlobalTileId;
TmxTile frameTile = tmxMap.Tiles[frameTileId];
TmxMesh mesh = new TmxMesh();
mesh.TileIds = new uint[1];
mesh.TileIds[0] = frameTileId;
mesh.UniqueMeshName = String.Format("mesh_tile_{0}", TmxMath.GetTileIdWithoutFlags(frameTileId).ToString("D4"));
mesh.TmxImage = frameTile.TmxImage;
mesh.ObjectName = "tile_obj";
// Keep track of the timing for this mesh (non-animating meshes will have a start time and duration of 0)
mesh.StartTimeMs = timeMs;
mesh.DurationMs = frame.DurationMs;
mesh.FullAnimationDurationMs = tmxTile.Animation.TotalTimeMs;
if (mesh.DurationMs != 0)
{
// Decorate the name a bit with some animation details for the frame
mesh.ObjectName += string.Format("[{0}-{1}]", timeMs, timeMs + mesh.DurationMs);
}
// Advance time
timeMs += frame.DurationMs;
// Add the animation frame to our list of meshes
meshes.Add(mesh);
}
return meshes;
}
public static IEnumerable<TileFrame> EnumerateFramesFromTile(TmxTile tile, TmxMap map)
{
if (tile.Animation == null)
{
// Treat the tile as a single-frame animation
yield return new TileFrame { Tile = tile, Position_z = 0 };
}
else
{
// Visit all the frames of the animated tile
float sign = 1.0f;
foreach (var f in tile.Animation.Frames)
{
// The frame Id is baked into the z value of the tile
// (Negative values frames are not shown, so we start off with only the first tile being positive/visible)
float z = (float)f.UniqueFrameId * sign;
yield return new TileFrame { Tile = map.Tiles[f.GlobalTileId], Position_z = z };
// Next frames start off invisible / negative
sign = -1.0f;
}
}
}
private PointF[] CalculateFaceTextureCoordinates(TmxTile tmxTile, bool flipDiagonal, bool flipHorizontal, bool flipVertical)
{
Point imageLocation = tmxTile.LocationOnSource;
Size tileSize = tmxTile.TileSize;
Size imageSize = tmxTile.TmxImage.Size;
PointF[] points = new PointF[4];
points[0] = imageLocation;
points[1] = PointF.Add(imageLocation, new Size(tileSize.Width, 0));
points[2] = PointF.Add(imageLocation, tileSize);
points[3] = PointF.Add(imageLocation, new Size(0, tileSize.Height));
PointF center = new PointF(tileSize.Width * 0.5f, tileSize.Height * 0.5f);
center.X += imageLocation.X;
center.Y += imageLocation.Y;
TmxMath.TransformPoints_DiagFirst(points, center, flipDiagonal, flipHorizontal, flipVertical);
//TmxMath.TransformPoints(points, center, flipDiagonal, flipHorizontal, flipVertical);
PointF[] coordinates = new PointF[4];
coordinates[3] = PointToTextureCoordinate(points[0], imageSize);
coordinates[2] = PointToTextureCoordinate(points[1], imageSize);
coordinates[1] = PointToTextureCoordinate(points[2], imageSize);
coordinates[0] = PointToTextureCoordinate(points[3], imageSize);
// Apply a small bias to the "inner" edges of the texels
// This keeps us from seeing seams
// (If seams continue along "outer" edges we can try applying the bias there as well)
// Note: On Oct 25, a user was having issues with outer edges, so I brought those in as well afterall (for version 0.9.5.4)
//const float bias = 1.0f / 8192.0f;
//const float bias = 1.0f / 4096.0f;
//const float bias = 1.0f / 2048.0f;
float bias = 1.0f / Program.TexelBias;
coordinates[0].X += bias;
coordinates[0].Y += bias;
coordinates[1].X -= bias;
coordinates[1].Y += bias;
coordinates[2].X -= bias;
coordinates[2].Y -= bias;
coordinates[3].X += bias;
coordinates[3].Y -= bias;
return coordinates;
}
// This method is called eventually for external tilesets too
// Only the gid attribute has been consumed at this point for the tileset
private void ParseInternalTileset(XElement elemTileset, uint firstId)
{
string tilesetName = TmxHelper.GetAttributeAsString(elemTileset, "name");
Program.WriteLine("Parse internal tileset '{0}' (gid = {1}) ...", tilesetName, firstId);
Program.WriteVerbose(elemTileset.ToString());
int tileWidth = TmxHelper.GetAttributeAsInt(elemTileset, "tilewidth");
int tileHeight = TmxHelper.GetAttributeAsInt(elemTileset, "tileheight");
int spacing = TmxHelper.GetAttributeAsInt(elemTileset, "spacing", 0);
int margin = TmxHelper.GetAttributeAsInt(elemTileset, "margin", 0);
IList<TmxTile> tilesToAdd = new List<TmxTile>();
// Tilesets may have an image for all tiles within it, or it may have an image per tile
if (elemTileset.Element("image") != null)
{
TmxImage tmxImage = TmxImage.FromXml(elemTileset.Element("image"));
RegisterImagePath(tmxImage.Path);
// Create all the tiles
// This is a bit complicated because of spacing and margin
// (Margin is ignored from Width and Height)
for (int end_y = margin + tileHeight; end_y <= tmxImage.Size.Height; end_y += spacing + tileHeight)
{
for (int end_x = margin + tileWidth; end_x <= tmxImage.Size.Width; end_x += spacing + tileWidth)
{
uint localId = (uint) tilesToAdd.Count();
uint globalId = firstId + localId;
TmxTile tile = new TmxTile(globalId, localId, tilesetName, tmxImage);
tile.SetTileSize(tileWidth, tileHeight);
tile.SetLocationOnSource(end_x - tileWidth, end_y - tileHeight);
tilesToAdd.Add(tile);
}
}
}
else
{
// Each tile will have it's own image
foreach (var t in elemTileset.Elements("tile"))
{
TmxImage tmxImage = TmxImage.FromXml(t.Element("image"));
RegisterImagePath(tmxImage.Path);
uint localId = (uint)tilesToAdd.Count();
uint globalId = firstId + localId;
TmxTile tile = new TmxTile(globalId, localId, tilesetName, tmxImage);
tile.SetTileSize(tmxImage.Size.Width, tmxImage.Size.Height);
tile.SetLocationOnSource(0, 0);
tilesToAdd.Add(tile);
}
}
StringBuilder builder = new StringBuilder();
foreach (TmxTile tile in tilesToAdd)
{
builder.AppendFormat("{0}", tile.ToString());
if (tile != tilesToAdd.Last()) builder.Append("\n");
this.Tiles[tile.GlobalId] = tile;
}
Program.WriteLine("Added {0} tiles", tilesToAdd.Count);
Program.WriteVerbose(builder.ToString());
// Add any extra data to tiles
foreach (var elemTile in elemTileset.Elements("tile"))
{
int localTileId = TmxHelper.GetAttributeAsInt(elemTile, "id");
var tiles = from t in this.Tiles
where t.Value.GlobalId == localTileId + firstId
select t.Value;
tiles.First().ParseXml(elemTile, this, firstId);
}
}
// Splits a layer into TmxMesh instances
public static List <TmxMesh> ListFromTmxLayer(TmxLayer layer)
{
List <TmxMesh> meshes = new List <TmxMesh>();
for (int i = 0; i < layer.TileIds.Count(); ++i)
{
// Copy the tile unto the mesh that uses the same image
// (In other words, we are grouping tiles by images into a mesh)
uint tileId = layer.TileIds[i];
TmxTile tile = layer.TmxMap.GetTileFromTileId(tileId);
if (tile == null)
{
continue;
}
int timeMs = 0;
foreach (var frame in tile.Animation.Frames)
{
uint frameTileId = frame.GlobalTileId;
// Have to put any rotations/flipping from the source tile into this one
frameTileId |= (tileId & TmxMath.FLIPPED_HORIZONTALLY_FLAG);
frameTileId |= (tileId & TmxMath.FLIPPED_VERTICALLY_FLAG);
frameTileId |= (tileId & TmxMath.FLIPPED_DIAGONALLY_FLAG);
// Find a mesh to stick this tile into (if it exists)
TmxMesh mesh = meshes.Find(m => m.CanAddFrame(tile, timeMs, frame.DurationMs, tile.Animation.TotalTimeMs));
if (mesh == null)
{
var frameTile = layer.TmxMap.GetTileFromTileId(frameTileId);
// Create a new mesh and add it to our list
mesh = new TmxMesh();
mesh.TileIds = new uint[layer.TileIds.Count()];
mesh.UniqueMeshName = String.Format("mesh_{0}", layer.TmxMap.GetUniqueId().ToString("D4"));
mesh.TmxImage = frameTile.TmxImage;
// Keep track of the timing for this mesh (non-animating meshes will have a start time and duration of 0)
mesh.StartTimeMs = timeMs;
mesh.DurationMs = frame.DurationMs;
mesh.FullAnimationDurationMs = tile.Animation.TotalTimeMs;
mesh.ObjectName = Path.GetFileNameWithoutExtension(frameTile.TmxImage.AbsolutePath);
if (mesh.DurationMs != 0)
{
// Decorate the name a bit with some animation details for the frame
mesh.ObjectName += string.Format("[{0}-{1}][{2}]", timeMs, timeMs + mesh.DurationMs, mesh.FullAnimationDurationMs);
}
meshes.Add(mesh);
}
// This mesh contains this tile
mesh.AddTile(i, frameTileId);
// Advance time
timeMs += frame.DurationMs;
}
}
return(meshes);
}
// This method is called eventually for external tilesets too
// Only the gid attribute has been consumed at this point for the tileset
private void ParseInternalTileset(XElement elemTileset, uint firstId)
{
string tilesetName = TmxHelper.GetAttributeAsString(elemTileset, "name");
Program.WriteLine("Parse internal tileset '{0}' (gid = {1}) ...", tilesetName, firstId);
Program.WriteVerbose(elemTileset.ToString());
int tileWidth = TmxHelper.GetAttributeAsInt(elemTileset, "tilewidth");
int tileHeight = TmxHelper.GetAttributeAsInt(elemTileset, "tileheight");
int spacing = TmxHelper.GetAttributeAsInt(elemTileset, "spacing", 0);
int margin = TmxHelper.GetAttributeAsInt(elemTileset, "margin", 0);
PointF tileOffset = PointF.Empty;
XElement xmlTileOffset = elemTileset.Element("tileoffset");
if (xmlTileOffset != null)
{
tileOffset.X = TmxHelper.GetAttributeAsInt(xmlTileOffset, "x");
tileOffset.Y = TmxHelper.GetAttributeAsInt(xmlTileOffset, "y");
}
IList <TmxTile> tilesToAdd = new List <TmxTile>();
// Tilesets may have an image for all tiles within it, or it may have an image per tile
if (elemTileset.Element("image") != null)
{
TmxImage tmxImage = TmxImage.FromXml(elemTileset.Element("image"));
// Create all the tiles
// This is a bit complicated because of spacing and margin
// (Margin is ignored from Width and Height)
for (int end_y = margin + tileHeight; end_y <= tmxImage.Size.Height; end_y += spacing + tileHeight)
{
for (int end_x = margin + tileWidth; end_x <= tmxImage.Size.Width; end_x += spacing + tileWidth)
{
uint localId = (uint)tilesToAdd.Count();
uint globalId = firstId + localId;
TmxTile tile = new TmxTile(globalId, localId, tilesetName, tmxImage);
tile.Offset = tileOffset;
tile.SetTileSize(tileWidth, tileHeight);
tile.SetLocationOnSource(end_x - tileWidth, end_y - tileHeight);
tilesToAdd.Add(tile);
}
}
}
else
{
// Each tile will have it's own image
foreach (var t in elemTileset.Elements("tile"))
{
TmxImage tmxImage = TmxImage.FromXml(t.Element("image"));
uint localId = (uint)tilesToAdd.Count();
uint globalId = firstId + localId;
TmxTile tile = new TmxTile(globalId, localId, tilesetName, tmxImage);
tile.Offset = tileOffset;
tile.SetTileSize(tmxImage.Size.Width, tmxImage.Size.Height);
tile.SetLocationOnSource(0, 0);
tilesToAdd.Add(tile);
}
}
StringBuilder builder = new StringBuilder();
foreach (TmxTile tile in tilesToAdd)
{
builder.AppendFormat("{0}", tile.ToString());
if (tile != tilesToAdd.Last())
{
builder.Append("\n");
}
this.Tiles[tile.GlobalId] = tile;
}
Program.WriteLine("Added {0} tiles", tilesToAdd.Count);
Program.WriteVerbose(builder.ToString());
// Add any extra data to tiles
foreach (var elemTile in elemTileset.Elements("tile"))
{
int localTileId = TmxHelper.GetAttributeAsInt(elemTile, "id");
var tiles = from t in this.Tiles
where t.Value.GlobalId == localTileId + firstId
select t.Value;
tiles.First().ParseTileXml(elemTile, this, firstId);
}
}
