private void ReadTileIds(XElement xml)
{
TileIds.Clear();
if (ParentData.Encoding == DataEncoding.Xml)
{
ReadTileIds_Xml(xml);
}
else if (ParentData.Encoding == DataEncoding.Csv)
{
ReadTiledIds_Csv(xml.Value);
}
else if (ParentData.Encoding == DataEncoding.Base64)
{
ReadTileIds_Base64(xml.Value);
}
else
{
TmxException.ThrowFormat("Unsupported encoding for chunk data in layer '{0}'", ParentData.ParentLayer);
}
for (int i = 0; i < TileIds.Count; i++)
{
uint tileId = TileIds[i];
tileId = TmxMath.GetTileIdWithoutFlags(tileId);
if (!ParentData.ParentLayer.ParentMap.Tiles.ContainsKey(tileId))
{
TileIds[i] = 0u;
}
}
}
protected override void InternalFromXml(System.Xml.Linq.XElement xml, TmxMap tmxMap)
{
// Get the tile
uint gid = TmxHelper.GetAttributeAsUInt(xml, "gid");
this.FlippedHorizontal = TmxMath.IsTileFlippedHorizontally(gid);
this.FlippedVertical = TmxMath.IsTileFlippedVertically(gid);
uint rawTileId = TmxMath.GetTileIdWithoutFlags(gid);
this.Tile = tmxMap.Tiles[rawTileId];
// The tile needs to have a mesh on it.
// Note: The tile may already be referenced by another TmxObjectTile instance, and as such will have its mesh data already made
if (this.Tile.Meshes.Count() == 0)
{
this.Tile.Meshes = TmxMesh.FromTmxTile(this.Tile, tmxMap);
}
// Check properties for layer placement
if (this.Properties.PropertyMap.ContainsKey("unity:sortingLayerName"))
{
this.SortingLayerName = this.Properties.GetPropertyValueAsString("unity:sortingLayerName");
}
if (this.Properties.PropertyMap.ContainsKey("unity:sortingOrder"))
{
this.SortingOrder = this.Properties.GetPropertyValueAsInt("unity:sortingOrder");
}
}
private void BuildCollisionLayers_ByObjectType()
{
for (int i = 0; i < Data.Chunks.Count; i++)
{
TmxChunk tmxChunk = Data.Chunks[i];
for (int j = 0; j < tmxChunk.TileIds.Count; j++)
{
uint num = tmxChunk.TileIds[j];
if (num != 0)
{
uint tileIdWithoutFlags = TmxMath.GetTileIdWithoutFlags(num);
foreach (TmxObject @object in base.ParentMap.Tiles[tileIdWithoutFlags].ObjectGroup.Objects)
{
if (@object is TmxHasPoints)
{
TmxLayer tmxLayer = CollisionLayers.Find((TmxLayer l) => string.Compare(l.Name, @object.Type, true) == 0);
if (tmxLayer == null)
{
tmxLayer = new TmxLayer(null, base.ParentMap);
CollisionLayers.Add(tmxLayer);
tmxLayer.Name = @object.Type;
tmxLayer.Offset = base.Offset;
tmxLayer.Width = Width;
tmxLayer.Height = Height;
tmxLayer.Ignore = base.Ignore;
tmxLayer.Properties = base.Properties;
tmxLayer.Data = Data.MakeEmptyCopy(tmxLayer);
}
tmxLayer.Data.Chunks[i].TileIds[j] = num;
}
}
}
}
}
}
public static TmxObject FromXml(XElement xml, TmxObjectGroup tmxObjectGroup, TmxMap tmxMap)
{
Logger.WriteVerbose("Parsing object ...");
uint attributeAsUInt = TmxHelper.GetAttributeAsUInt(xml, "tid", 0u);
if (attributeAsUInt != 0 && tmxMap.Templates.TryGetValue(attributeAsUInt, out TgxTemplate value))
{
xml = value.Templatize(xml);
tmxMap = value.TemplateGroupMap;
}
TmxObject tmxObject = null;
if (xml.Element("ellipse") != null)
{
tmxObject = new TmxObjectEllipse();
}
else if (xml.Element("polygon") != null)
{
tmxObject = new TmxObjectPolygon();
}
else if (xml.Element("polyline") != null)
{
tmxObject = new TmxObjectPolyline();
}
else if (xml.Attribute("gid") != null)
{
uint attributeAsUInt2 = TmxHelper.GetAttributeAsUInt(xml, "gid");
attributeAsUInt2 = TmxMath.GetTileIdWithoutFlags(attributeAsUInt2);
if (tmxMap.Tiles.ContainsKey(attributeAsUInt2))
{
tmxObject = new TmxObjectTile();
}
else
{
Logger.WriteWarning("Tile Id {0} not found in tilesets. Using a rectangle instead.\n{1}", attributeAsUInt2, xml.ToString());
tmxObject = new TmxObjectRectangle();
}
}
else
{
tmxObject = new TmxObjectRectangle();
}
tmxObject.Id = TmxHelper.GetAttributeAsInt(xml, "id", 0);
tmxObject.Name = TmxHelper.GetAttributeAsString(xml, "name", "");
tmxObject.Type = TmxHelper.GetAttributeAsString(xml, "type", "");
tmxObject.Visible = (TmxHelper.GetAttributeAsInt(xml, "visible", 1) == 1);
tmxObject.ParentObjectGroup = tmxObjectGroup;
float attributeAsFloat = TmxHelper.GetAttributeAsFloat(xml, "x");
float attributeAsFloat2 = TmxHelper.GetAttributeAsFloat(xml, "y");
float attributeAsFloat3 = TmxHelper.GetAttributeAsFloat(xml, "width", 0f);
float attributeAsFloat4 = TmxHelper.GetAttributeAsFloat(xml, "height", 0f);
float attributeAsFloat5 = TmxHelper.GetAttributeAsFloat(xml, "rotation", 0f);
tmxObject.Position = new PointF(attributeAsFloat, attributeAsFloat2);
tmxObject.Size = new SizeF(attributeAsFloat3, attributeAsFloat4);
tmxObject.Rotation = attributeAsFloat5;
tmxObject.Properties = TmxProperties.FromXml(xml);
tmxObject.InternalFromXml(xml, tmxMap);
return(tmxObject);
}
public TmxTile GetTileFromTileId(uint tileId)
{
if (tileId == 0)
{
return(null);
}
tileId = TmxMath.GetTileIdWithoutFlags(tileId);
return(Tiles[tileId]);
}
private StringWriter BuildWavefrontStringForLayerMesh(TmxLayer layer, TmxMesh mesh, IEnumerable <int> horizontalRange, IEnumerable <int> verticalRange)
{
Logger.WriteVerbose("Building mesh obj file for '{0}'", mesh.UniqueMeshName);
GenericListDatabase <Vertex3> vertexDatabase = new GenericListDatabase <Vertex3>();
HashIndexOf <PointF> uvDatabase = new HashIndexOf <PointF>();
StringBuilder faces = new StringBuilder();
foreach (int y in verticalRange)
{
foreach (int x in horizontalRange)
{
int tileIndex = layer.GetTileIndex(x, y);
uint tileId = mesh.GetTileIdAt(tileIndex);
// Skip blank tiles
if (tileId == 0)
{
continue;
}
TmxTile tile = this.tmxMap.Tiles[TmxMath.GetTileIdWithoutFlags(tileId)];
// What are the vertex and texture coorindates of this face on the mesh?
var position = this.tmxMap.GetMapPositionAt(x, y, tile);
var vertices = CalculateFaceVertices(position, tile.TileSize);
// If we're using depth shaders then we'll need to set a depth value of this face
float depth_z = 0.0f;
if (Tiled2Unity.Settings.DepthBufferEnabled)
{
depth_z = CalculateFaceDepth(position.Y + tmxMap.TileHeight, tmxMap.MapSizeInPixels.Height);
}
FaceVertices faceVertices = new FaceVertices {
Vertices = vertices, Depth_z = depth_z
};
// Is the tile being flipped or rotated (needed for texture cooridinates)
bool flipDiagonal = TmxMath.IsTileFlippedDiagonally(tileId);
bool flipHorizontal = TmxMath.IsTileFlippedHorizontally(tileId);
bool flipVertical = TmxMath.IsTileFlippedVertically(tileId);
var uvs = CalculateFaceTextureCoordinates(tile, flipDiagonal, flipHorizontal, flipVertical);
// Adds vertices and uvs to the database as we build the face strings
string v0 = String.Format("{0}/{1}/1", vertexDatabase.AddToDatabase(faceVertices.V0) + 1, uvDatabase.Add(uvs[0]) + 1);
string v1 = String.Format("{0}/{1}/1", vertexDatabase.AddToDatabase(faceVertices.V1) + 1, uvDatabase.Add(uvs[1]) + 1);
string v2 = String.Format("{0}/{1}/1", vertexDatabase.AddToDatabase(faceVertices.V2) + 1, uvDatabase.Add(uvs[2]) + 1);
string v3 = String.Format("{0}/{1}/1", vertexDatabase.AddToDatabase(faceVertices.V3) + 1, uvDatabase.Add(uvs[3]) + 1);
faces.AppendFormat("f {0} {1} {2} {3}\n", v0, v1, v2, v3);
}
}
// We have all the data we need to build the wavefront file format
return(CreateWavefrontWriter(mesh, vertexDatabase, uvDatabase, faces));
}
private void BuildCollisionLayers_ByObjectType()
{
// Find all tiles with collisions on them and put them into a "Collision Layer" of the same type
for (int t = 0; t < this.TileIds.Length; ++t)
{
uint rawTileId = this.TileIds[t];
if (rawTileId == 0)
{
continue;
}
uint tileId = TmxMath.GetTileIdWithoutFlags(rawTileId);
TmxTile tmxTile = this.TmxMap.Tiles[tileId];
foreach (TmxObject colliderObject in tmxTile.ObjectGroup.Objects)
{
if ((colliderObject is TmxHasPoints) == false)
{
continue;
}
// We have a collider object on the tile
// Add the tile to the Collision Layer of the matching type
// Or, create a new Collision Layer of this type to add this tile to
TmxLayer collisionLayer = this.CollisionLayers.Find(l => String.Compare(l.Name, colliderObject.Type, true) == 0);
if (collisionLayer == null)
{
// Create a new Collision Layer
collisionLayer = new TmxLayer(null, this.TmxMap);
this.CollisionLayers.Add(collisionLayer);
// The new Collision Layer has the name of the collider object and empty tiles (they will be filled with tiles that have matching collider objects)
collisionLayer.Name = colliderObject.Type;
collisionLayer.TileIds = new uint[this.TileIds.Length];
// Copy over some stuff from parent layer that we need for creating collisions
collisionLayer.Offset = this.Offset;
collisionLayer.Width = this.Width;
collisionLayer.Height = this.Height;
collisionLayer.Ignore = this.Ignore;
collisionLayer.Properties = this.Properties;
}
// Add the tile to this collision layer
collisionLayer.TileIds[t] = rawTileId;
}
}
}
protected override void InternalFromXml(System.Xml.Linq.XElement xml, TmxMap tmxMap)
{
// Get the tile
uint gid = TmxHelper.GetAttributeAsUInt(xml, "gid");
this.FlippedHorizontal = TmxMath.IsTileFlippedHorizontally(gid);
this.FlippedVertical = TmxMath.IsTileFlippedVertically(gid);
uint rawTileId = TmxMath.GetTileIdWithoutFlags(gid);
this.Tile = tmxMap.Tiles[rawTileId];
// The tile needs to have a mesh on it.
// Note: The tile may already be referenced by another TmxObjectTile instance, and as such will have its mesh data already made
if (this.Tile.Meshes.Count() == 0)
{
this.Tile.Meshes = TmxMesh.FromTmxTile(this.Tile, tmxMap);
}
}
protected override void InternalFromXml(XElement xml, TmxMap tmxMap)
{
uint attributeAsUInt = TmxHelper.GetAttributeAsUInt(xml, "gid");
FlippedHorizontal = TmxMath.IsTileFlippedHorizontally(attributeAsUInt);
FlippedVertical = TmxMath.IsTileFlippedVertically(attributeAsUInt);
uint tileIdWithoutFlags = TmxMath.GetTileIdWithoutFlags(attributeAsUInt);
Tile = tmxMap.Tiles[tileIdWithoutFlags];
if (Tile.Meshes.Count() == 0)
{
Tile.Meshes = TmxMesh.FromTmxTile(Tile, tmxMap);
}
ExplicitSortingLayerName = base.Properties.GetPropertyValueAsString("unity:sortingLayerName", "");
if (base.Properties.PropertyMap.ContainsKey("unity:sortingOrder"))
{
ExplicitSortingOrder = base.Properties.GetPropertyValueAsInt("unity:sortingOrder");
}
}
// 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);
}
// Creates the text for a Wavefront OBJ file for the TmxMap
private StringWriter BuildObjString()
{
IGenericDatabase <Vertex3> vertexDatabase = new HashIndexOf <Vertex3>();
HashIndexOf <PointF> uvDatabase = new HashIndexOf <PointF>();
// Are we allowing vertices to be written too (advanced option)
if (Tiled2Unity.Settings.WriteableVertices)
{
// Replace vertex database with class that ensure each vertex (even ones with similar values) are unique
Logger.WriteLine("Using writeable-vertices. This will increase the size of the mesh but will allow you mutate vertices through scripting. This is an advanced feature.");
vertexDatabase = new GenericListDatabase <Vertex3>();
}
float mapLogicalHeight = this.tmxMap.MapSizeInPixels().Height;
// Go through every face of every mesh of every visible layer and collect vertex and texture coordinate indices as you go
int groupCount = 0;
StringBuilder faceBuilder = new StringBuilder();
foreach (var layer in this.tmxMap.Layers)
{
if (layer.Visible != true)
{
continue;
}
if (layer.Ignore == TmxLayer.IgnoreSettings.Visual)
{
continue;
}
// We're going to use this layer
++groupCount;
// Enumerate over the tiles in the direction given by the draw order of the map
var verticalRange = (this.tmxMap.DrawOrderVertical == 1) ? Enumerable.Range(0, layer.Height) : Enumerable.Range(0, layer.Height).Reverse();
var horizontalRange = (this.tmxMap.DrawOrderHorizontal == 1) ? Enumerable.Range(0, layer.Width) : Enumerable.Range(0, layer.Width).Reverse();
foreach (TmxMesh mesh in layer.Meshes)
{
Logger.WriteLine("Writing '{0}' mesh group", mesh.UniqueMeshName);
faceBuilder.AppendFormat("\ng {0}\n", mesh.UniqueMeshName);
foreach (int y in verticalRange)
{
foreach (int x in horizontalRange)
{
int tileIndex = layer.GetTileIndex(x, y);
uint tileId = mesh.GetTileIdAt(tileIndex);
// Skip blank tiles
if (tileId == 0)
{
continue;
}
TmxTile tile = this.tmxMap.Tiles[TmxMath.GetTileIdWithoutFlags(tileId)];
// What are the vertex and texture coorindates of this face on the mesh?
var position = this.tmxMap.GetMapPositionAt(x, y);
var vertices = CalculateFaceVertices(position, tile.TileSize, this.tmxMap.TileHeight, tile.Offset);
// If we're using depth shaders then we'll need to set a depth value of this face
float depth_z = 0.0f;
if (Tiled2Unity.Settings.DepthBufferEnabled)
{
depth_z = CalculateFaceDepth(position.Y, mapLogicalHeight);
}
FaceVertices faceVertices = new FaceVertices {
Vertices = vertices, Depth_z = depth_z
};
// Is the tile being flipped or rotated (needed for texture cooridinates)
bool flipDiagonal = TmxMath.IsTileFlippedDiagonally(tileId);
bool flipHorizontal = TmxMath.IsTileFlippedHorizontally(tileId);
bool flipVertical = TmxMath.IsTileFlippedVertically(tileId);
var uvs = CalculateFaceTextureCoordinates(tile, flipDiagonal, flipHorizontal, flipVertical);
// Adds vertices and uvs to the database as we build the face strings
string v0 = String.Format("{0}/{1}/1", vertexDatabase.AddToDatabase(faceVertices.V0) + 1, uvDatabase.Add(uvs[0]) + 1);
string v1 = String.Format("{0}/{1}/1", vertexDatabase.AddToDatabase(faceVertices.V1) + 1, uvDatabase.Add(uvs[1]) + 1);
string v2 = String.Format("{0}/{1}/1", vertexDatabase.AddToDatabase(faceVertices.V2) + 1, uvDatabase.Add(uvs[2]) + 1);
string v3 = String.Format("{0}/{1}/1", vertexDatabase.AddToDatabase(faceVertices.V3) + 1, uvDatabase.Add(uvs[3]) + 1);
faceBuilder.AppendFormat("f {0} {1} {2} {3}\n", v0, v1, v2, v3);
}
}
}
}
// Now go through any tile objects we may have and write them out as face groups as well
foreach (var tmxMesh in this.tmxMap.GetUniqueListOfVisibleObjectTileMeshes())
{
// We're going to use this tile object
groupCount++;
Logger.WriteLine("Writing '{0}' tile group", tmxMesh.UniqueMeshName);
faceBuilder.AppendFormat("\ng {0}\n", tmxMesh.UniqueMeshName);
// Get the single tile associated with this mesh
TmxTile tmxTile = this.tmxMap.Tiles[tmxMesh.TileIds[0]];
var vertices = CalculateFaceVertices_TileObject(tmxTile.TileSize, tmxTile.Offset);
var uvs = CalculateFaceTextureCoordinates(tmxTile, false, false, false);
// TileObjects have zero depth on their vertices. Their GameObject parent will set depth.
FaceVertices faceVertices = new FaceVertices {
Vertices = vertices, Depth_z = 0.0f
};
// Adds vertices and uvs to the database as we build the face strings
string v0 = String.Format("{0}/{1}/1", vertexDatabase.AddToDatabase(faceVertices.V0) + 1, uvDatabase.Add(uvs[0]) + 1);
string v1 = String.Format("{0}/{1}/1", vertexDatabase.AddToDatabase(faceVertices.V1) + 1, uvDatabase.Add(uvs[1]) + 1);
string v2 = String.Format("{0}/{1}/1", vertexDatabase.AddToDatabase(faceVertices.V2) + 1, uvDatabase.Add(uvs[2]) + 1);
string v3 = String.Format("{0}/{1}/1", vertexDatabase.AddToDatabase(faceVertices.V3) + 1, uvDatabase.Add(uvs[3]) + 1);
faceBuilder.AppendFormat("f {0} {1} {2} {3}\n", v0, v1, v2, v3);
}
// All of our faces have been built and vertex and uv databases have been filled.
// Start building out the obj file
StringWriter objWriter = new StringWriter();
objWriter.WriteLine("# Wavefront OBJ file automatically generated by Tiled2Unity");
objWriter.WriteLine();
Logger.WriteLine("Writing face vertices");
objWriter.WriteLine("# Vertices (Count = {0})", vertexDatabase.List.Count());
foreach (var v in vertexDatabase.List)
{
objWriter.WriteLine("v {0} {1} {2}", v.X, v.Y, v.Z);
}
objWriter.WriteLine();
Logger.WriteLine("Writing face uv coordinates");
objWriter.WriteLine("# Texture cooridinates (Count = {0})", uvDatabase.List.Count());
foreach (var uv in uvDatabase.List)
{
objWriter.WriteLine("vt {0} {1}", uv.X, uv.Y);
}
objWriter.WriteLine();
// Write the one indexed normal
objWriter.WriteLine("# Normal");
objWriter.WriteLine("vn 0 0 -1");
objWriter.WriteLine();
// Now we can copy over the string used to build the databases
objWriter.WriteLine("# Groups (Count = {0})", groupCount);
objWriter.WriteLine(faceBuilder.ToString());
return(objWriter);
}
public uint GetTileIdAt(int x, int y)
{
return(TmxMath.GetTileIdWithoutFlags(GetRawTileIdAt(x, y)));
}
public static TmxLayer FromXml(XElement elem, TmxLayerNode parent, TmxMap tmxMap)
{
TmxLayer tmxLayer = new TmxLayer(parent, tmxMap);
tmxLayer.FromXmlInternal(elem);
// We can build a layer from a "tile layer" (default) or an "image layer"
if (elem.Name == "layer")
{
tmxLayer.Width = TmxHelper.GetAttributeAsInt(elem, "width");
tmxLayer.Height = TmxHelper.GetAttributeAsInt(elem, "height");
tmxLayer.ParseData(elem.Element("data"));
}
else if (elem.Name == "imagelayer")
{
XElement xmlImage = elem.Element("image");
if (xmlImage == null)
{
Logger.WriteWarning("Image Layer '{0}' is being ignored since it has no image.", tmxLayer.Name);
tmxLayer.Ignore = IgnoreSettings.True;
return(tmxLayer);
}
// An image layer is sort of like an tile layer but with just one tile
tmxLayer.Width = 1;
tmxLayer.Height = 1;
// Find the "tile" that matches our image
string imagePath = TmxHelper.GetAttributeAsFullPath(elem.Element("image"), "source");
TmxTile tile = tmxMap.Tiles.First(t => t.Value.TmxImage.AbsolutePath == imagePath).Value;
tmxLayer.TileIds = new uint[1] {
tile.GlobalId
};
// The image layer needs to be tranlated in an interesting way when expressed as a tile layer
PointF translated = tmxLayer.Offset;
// Make up for height of a regular tile in the map
translated.Y -= (float)tmxMap.TileHeight;
// Make up for the height of this image
translated.Y += (float)tile.TmxImage.Size.Height;
// Correct for any orientation effects on the map (like isometric)
// (We essentially undo the translation via orientation here)
PointF orientation = TmxMath.TileCornerInScreenCoordinates(tmxMap, 0, 0);
translated.X -= orientation.X;
translated.Y -= orientation.Y;
// Translate by the x and y coordiantes
translated.X += TmxHelper.GetAttributeAsFloat(elem, "x", 0);
translated.Y += TmxHelper.GetAttributeAsFloat(elem, "y", 0);
tmxLayer.Offset = translated;
}
// Sometimes TMX files have "dead" tiles in them (tiles that were removed but are still referenced)
// Remove these tiles from the layer by replacing them with zero
for (int t = 0; t < tmxLayer.TileIds.Length; ++t)
{
uint tileId = tmxLayer.TileIds[t];
tileId = TmxMath.GetTileIdWithoutFlags(tileId);
if (!tmxMap.Tiles.ContainsKey(tileId))
{
tmxLayer.TileIds[t] = 0;
}
}
// Each layer will be broken down into "meshes" which are collections of tiles matching the same texture or animation
tmxLayer.Meshes = TmxMesh.ListFromTmxLayer(tmxLayer);
// Each layer may contain different collision types which are themselves put into "Collison Layers" to be processed later
tmxLayer.BuildCollisionLayers();
return(tmxLayer);
}
// Creates the text for a Wavefront OBJ file for the TmxMap
private StringWriter BuildObjString()
{
HashIndexOf <PointF> vertexDatabase = new HashIndexOf <PointF>();
HashIndexOf <PointF> uvDatabase = new HashIndexOf <PointF>();
// Go through every face of every mesh of every visible layer and collect vertex and texture coordinate indices as you go
int groupCount = 0;
StringBuilder faceBuilder = new StringBuilder();
foreach (var layer in this.tmxMap.Layers)
{
if (layer.Visible != true)
{
continue;
}
if (layer.Ignore == TmxLayer.IgnoreSettings.Visual)
{
continue;
}
// We're going to use this layer
++groupCount;
// Enumerate over the tiles in the direction given by the draw order of the map
var verticalRange = (this.tmxMap.DrawOrderVertical == 1) ? Enumerable.Range(0, layer.Height) : Enumerable.Range(0, layer.Height).Reverse();
var horizontalRange = (this.tmxMap.DrawOrderHorizontal == 1) ? Enumerable.Range(0, layer.Width) : Enumerable.Range(0, layer.Width).Reverse();
foreach (TmxMesh mesh in layer.Meshes)
{
Program.WriteLine("Writing '{0}' mesh group", mesh.UniqueMeshName);
faceBuilder.AppendFormat("\ng {0}\n", mesh.UniqueMeshName);
foreach (int y in verticalRange)
{
foreach (int x in horizontalRange)
{
int tileIndex = layer.GetTileIndex(x, y);
uint tileId = mesh.GetTileIdAt(tileIndex);
// Skip blank tiles
if (tileId == 0)
{
continue;
}
TmxTile tile = this.tmxMap.Tiles[TmxMath.GetTileIdWithoutFlags(tileId)];
// What are the vertex and texture coorindates of this face on the mesh?
var position = this.tmxMap.GetMapPositionAt(x, y);
var vertices = CalculateFaceVertices(position, tile.TileSize, this.tmxMap.TileHeight, tile.Offset);
// Is the tile being flipped or rotated (needed for texture cooridinates)
bool flipDiagonal = TmxMath.IsTileFlippedDiagonally(tileId);
bool flipHorizontal = TmxMath.IsTileFlippedHorizontally(tileId);
bool flipVertical = TmxMath.IsTileFlippedVertically(tileId);
var uvs = CalculateFaceTextureCoordinates(tile, flipDiagonal, flipHorizontal, flipVertical);
// Adds vertices and uvs to the database as we build the face strings
string v0 = String.Format("{0}/{1}/1", vertexDatabase.Add(vertices[0]) + 1, uvDatabase.Add(uvs[0]) + 1);
string v1 = String.Format("{0}/{1}/1", vertexDatabase.Add(vertices[1]) + 1, uvDatabase.Add(uvs[1]) + 1);
string v2 = String.Format("{0}/{1}/1", vertexDatabase.Add(vertices[2]) + 1, uvDatabase.Add(uvs[2]) + 1);
string v3 = String.Format("{0}/{1}/1", vertexDatabase.Add(vertices[3]) + 1, uvDatabase.Add(uvs[3]) + 1);
faceBuilder.AppendFormat("f {0} {1} {2} {3}\n", v0, v1, v2, v3);
}
}
}
}
// Now go through any tile objects we may have and write them out as face groups as well
foreach (var tmxMesh in this.tmxMap.GetUniqueListOfVisibleObjectTileMeshes())
{
// We're going to use this tile object
groupCount++;
Program.WriteLine("Writing '{0}' tile group", tmxMesh.UniqueMeshName);
faceBuilder.AppendFormat("\ng {0}\n", tmxMesh.UniqueMeshName);
// Get the single tile associated with this mesh
TmxTile tmxTile = this.tmxMap.Tiles[tmxMesh.TileIds[0]];
var vertices = CalculateFaceVertices_TileObject(tmxTile.TileSize, tmxTile.Offset);
var uvs = CalculateFaceTextureCoordinates(tmxTile, false, false, false);
// Adds vertices and uvs to the database as we build the face strings
string v0 = String.Format("{0}/{1}/1", vertexDatabase.Add(vertices[0]) + 1, uvDatabase.Add(uvs[0]) + 1);
string v1 = String.Format("{0}/{1}/1", vertexDatabase.Add(vertices[1]) + 1, uvDatabase.Add(uvs[1]) + 1);
string v2 = String.Format("{0}/{1}/1", vertexDatabase.Add(vertices[2]) + 1, uvDatabase.Add(uvs[2]) + 1);
string v3 = String.Format("{0}/{1}/1", vertexDatabase.Add(vertices[3]) + 1, uvDatabase.Add(uvs[3]) + 1);
faceBuilder.AppendFormat("f {0} {1} {2} {3}\n", v0, v1, v2, v3);
}
// All of our faces have been built and vertex and uv databases have been filled.
// Start building out the obj file
StringWriter objWriter = new StringWriter();
objWriter.WriteLine("# Wavefront OBJ file automatically generated by Tiled2Unity");
objWriter.WriteLine();
Program.WriteLine("Writing face vertices");
objWriter.WriteLine("# Vertices (Count = {0})", vertexDatabase.List.Count());
foreach (var v in vertexDatabase.List)
{
objWriter.WriteLine("v {0} {1} 0", v.X, v.Y);
}
objWriter.WriteLine();
Program.WriteLine("Writing face uv coordinates");
objWriter.WriteLine("# Texture cooridinates (Count = {0})", uvDatabase.List.Count());
foreach (var uv in uvDatabase.List)
{
objWriter.WriteLine("vt {0} {1}", uv.X, uv.Y);
}
objWriter.WriteLine();
// Write the one indexed normal
objWriter.WriteLine("# Normal");
objWriter.WriteLine("vn 0 0 -1");
objWriter.WriteLine();
// Now we can copy over the string used to build the databases
objWriter.WriteLine("# Groups (Count = {0})", groupCount);
objWriter.WriteLine(faceBuilder.ToString());
return(objWriter);
}
public static ClipperLib.PolyTree ExecuteClipper(TmxMap tmxMap, TmxLayer tmxLayer, TransformPointFunc xfFunc, ProgressFunc progFunc)
{
// The "fullClipper" combines the clipper results from the smaller pieces
ClipperLib.Clipper fullClipper = new ClipperLib.Clipper();
// From the perspective of Clipper lines are polygons too
// Closed paths == polygons
// Open paths == lines
var polygonGroups = from y in Enumerable.Range(0, tmxLayer.Height)
from x in Enumerable.Range(0, tmxLayer.Width)
let rawTileId = tmxLayer.GetRawTileIdAt(x, y)
let tileId = TmxMath.GetTileIdWithoutFlags(rawTileId)
where tileId != 0
let tile = tmxMap.Tiles[tileId]
from polygon in tile.ObjectGroup.Objects
where (polygon as TmxHasPoints) != null
let groupX = x / LayerClipper.GroupBySize
let groupY = y / LayerClipper.GroupBySize
group new
{
PositionOnMap = tmxMap.GetMapPositionAt(x, y, tile),
HasPointsInterface = polygon as TmxHasPoints,
TmxObjectInterface = polygon,
IsFlippedDiagnoally = TmxMath.IsTileFlippedDiagonally(rawTileId),
IsFlippedHorizontally = TmxMath.IsTileFlippedHorizontally(rawTileId),
IsFlippedVertically = TmxMath.IsTileFlippedVertically(rawTileId),
TileCenter = new PointF(tile.TileSize.Width * 0.5f, tile.TileSize.Height * 0.5f),
}
by Tuple.Create(groupX, groupY);
int groupIndex = 0;
int groupCount = polygonGroups.Count();
foreach (var polyGroup in polygonGroups)
{
if (groupIndex % 5 == 0)
{
progFunc(String.Format("Clipping '{0}' polygons: {1}%", tmxLayer.Name, (groupIndex / (float)groupCount) * 100));
}
groupIndex++;
// The "groupClipper" clips the polygons in a smaller part of the world
ClipperLib.Clipper groupClipper = new ClipperLib.Clipper();
// Add all our polygons to the Clipper library so it can reduce all the polygons to a (hopefully small) number of paths
foreach (var poly in polyGroup)
{
// Create a clipper library polygon out of each and add it to our collection
ClipperPolygon clipperPolygon = new ClipperPolygon();
// Our points may be transformed due to tile flipping/rotation
// Before we transform them we put all the points into local space relative to the tile
SizeF offset = new SizeF(poly.TmxObjectInterface.Position);
PointF[] transformedPoints = poly.HasPointsInterface.Points.Select(pt => PointF.Add(pt, offset)).ToArray();
// Now transform the points relative to the tile
TmxMath.TransformPoints(transformedPoints, poly.TileCenter, poly.IsFlippedDiagnoally, poly.IsFlippedHorizontally, poly.IsFlippedVertically);
foreach (var pt in transformedPoints)
{
float x = poly.PositionOnMap.X + pt.X;
float y = poly.PositionOnMap.Y + pt.Y;
ClipperLib.IntPoint point = xfFunc(x, y);
clipperPolygon.Add(point);
}
// Because of Unity's cooridnate system, the winding order of the polygons must be reversed
clipperPolygon.Reverse();
// Add the "subject"
groupClipper.AddPath(clipperPolygon, ClipperLib.PolyType.ptSubject, poly.HasPointsInterface.ArePointsClosed());
}
// Get a solution for this group
ClipperLib.PolyTree solution = new ClipperLib.PolyTree();
groupClipper.Execute(ClipperLib.ClipType.ctUnion, solution, LayerClipper.SubjectFillRule, LayerClipper.ClipFillRule);
// Combine the solutions into the full clipper
fullClipper.AddPaths(ClipperLib.Clipper.ClosedPathsFromPolyTree(solution), ClipperLib.PolyType.ptSubject, true);
fullClipper.AddPaths(ClipperLib.Clipper.OpenPathsFromPolyTree(solution), ClipperLib.PolyType.ptSubject, false);
}
progFunc(String.Format("Clipping '{0}' polygons: 100%", tmxLayer.Name));
ClipperLib.PolyTree fullSolution = new ClipperLib.PolyTree();
fullClipper.Execute(ClipperLib.ClipType.ctUnion, fullSolution, LayerClipper.SubjectFillRule, LayerClipper.ClipFillRule);
return(fullSolution);
}
public static ClipperLib.PolyTree ExecuteClipper(TmxMap tmxMap, TmxLayer tmxLayer, TransformPointFunc xfFunc, ProgressFunc progFunc)
{
// The "fullClipper" combines the clipper results from the smaller pieces
ClipperLib.Clipper fullClipper = new ClipperLib.Clipper();
// Limit to polygon "type" that matches the collision layer name (unless we are overriding the whole layer to a specific Unity Layer Name)
bool usingUnityLayerOverride = !String.IsNullOrEmpty(tmxLayer.UnityLayerOverrideName);
// From the perspective of Clipper lines are polygons too
// Closed paths == polygons
// Open paths == lines
Dictionary <TupleInt2, List <PolygonGroup> > polygonGroups = new Dictionary <TupleInt2, List <PolygonGroup> >();
foreach (int y in Enumerable.Range(0, tmxLayer.Height))
{
foreach (int x in Enumerable.Range(0, tmxLayer.Width))
{
uint rawTileId = tmxLayer.GetRawTileIdAt(x, y);
if (rawTileId == 0)
{
continue;
}
uint tileId = TmxMath.GetTileIdWithoutFlags(rawTileId);
TmxTile tile = tmxMap.Tiles[tileId];
foreach (TmxObject polygon in tile.ObjectGroup.Objects)
{
if (typeof(TmxHasPoints).IsAssignableFrom(polygon.GetType()) &&
(usingUnityLayerOverride || String.Compare(polygon.Type, tmxLayer.Name, true) == 0))
{
int groupX = x / LayerClipper.GroupBySize;
int groupY = y / LayerClipper.GroupBySize;
PolygonGroup poly = new PolygonGroup();
poly.PositionOnMap = tmxMap.GetMapPositionAt(x, y, tile);
poly.HasPointsInterface = polygon as TmxHasPoints;
poly.TmxObjectInterface = polygon;
poly.IsFlippedDiagnoally = TmxMath.IsTileFlippedDiagonally(rawTileId);
poly.IsFlippedHorizontally = TmxMath.IsTileFlippedHorizontally(rawTileId);
poly.IsFlippedVertically = TmxMath.IsTileFlippedVertically(rawTileId);
poly.TileCenter = new PointF(tile.TileSize.Width * 0.5f, tile.TileSize.Height * 0.5f);
TupleInt2 key = new TupleInt2(groupX, groupY);
if (!polygonGroups.ContainsKey(key))
{
polygonGroups[key] = new List <PolygonGroup>();
}
polygonGroups[key].Add(poly);
}
}
}
}
// Tuple not supported in Mono 2.0 so doing this the old fashioned way, sorry
//var polygonGroups = from y in Enumerable.Range(0, tmxLayer.Height)
// from x in Enumerable.Range(0, tmxLayer.Width)
// let rawTileId = tmxLayer.GetRawTileIdAt(x, y)
// where rawTileId != 0
// let tileId = TmxMath.GetTileIdWithoutFlags(rawTileId)
// let tile = tmxMap.Tiles[tileId]
// from polygon in tile.ObjectGroup.Objects
// where (polygon as TmxHasPoints) != null
// where usingUnityLayerOverride || String.Compare(polygon.Type, tmxLayer.Name, true) == 0
// let groupX = x / LayerClipper.GroupBySize
// let groupY = y / LayerClipper.GroupBySize
// group new
// {
// PositionOnMap = tmxMap.GetMapPositionAt(x, y, tile),
// HasPointsInterface = polygon as TmxHasPoints,
// TmxObjectInterface = polygon,
// IsFlippedDiagnoally = TmxMath.IsTileFlippedDiagonally(rawTileId),
// IsFlippedHorizontally = TmxMath.IsTileFlippedHorizontally(rawTileId),
// IsFlippedVertically = TmxMath.IsTileFlippedVertically(rawTileId),
// TileCenter = new PointF(tile.TileSize.Width * 0.5f, tile.TileSize.Height * 0.5f),
// }
// by Tuple.Create(groupX, groupY);
int groupIndex = 0;
int groupCount = polygonGroups.Count();
foreach (TupleInt2 key in polygonGroups.Keys)
{
if (groupIndex % 5 == 0)
{
progFunc(String.Format("Clipping '{0}' polygons: {1}%", tmxLayer.Name, (groupIndex / (float)groupCount) * 100));
}
groupIndex++;
// The "groupClipper" clips the polygons in a smaller part of the world
ClipperLib.Clipper groupClipper = new ClipperLib.Clipper();
// Add all our polygons to the Clipper library so it can reduce all the polygons to a (hopefully small) number of paths
foreach (PolygonGroup poly in polygonGroups[key])
{
// Create a clipper library polygon out of each and add it to our collection
ClipperPolygon clipperPolygon = new ClipperPolygon();
// Our points may be transformed due to tile flipping/rotation
// Before we transform them we put all the points into local space relative to the tile
SizeF offset = new SizeF(poly.TmxObjectInterface.Position);
PointF[] transformedPoints = poly.HasPointsInterface.Points.Select(pt => PointF.Add(pt, offset)).ToArray();
// Now transform the points relative to the tile
TmxMath.TransformPoints(transformedPoints, poly.TileCenter, poly.IsFlippedDiagnoally, poly.IsFlippedHorizontally, poly.IsFlippedVertically);
foreach (var pt in transformedPoints)
{
float x = poly.PositionOnMap.X + pt.X;
float y = poly.PositionOnMap.Y + pt.Y;
ClipperLib.IntPoint point = xfFunc(x, y);
clipperPolygon.Add(point);
}
// Because of Unity's cooridnate system, the winding order of the polygons must be reversed
clipperPolygon.Reverse();
// Add the "subject"
groupClipper.AddPath(clipperPolygon, ClipperLib.PolyType.ptSubject, poly.HasPointsInterface.ArePointsClosed());
}
// Get a solution for this group
ClipperLib.PolyTree solution = new ClipperLib.PolyTree();
groupClipper.Execute(ClipperLib.ClipType.ctUnion, solution, LayerClipper.SubjectFillRule, LayerClipper.ClipFillRule);
// Combine the solutions into the full clipper
fullClipper.AddPaths(ClipperLib.Clipper.ClosedPathsFromPolyTree(solution), ClipperLib.PolyType.ptSubject, true);
fullClipper.AddPaths(ClipperLib.Clipper.OpenPathsFromPolyTree(solution), ClipperLib.PolyType.ptSubject, false);
}
progFunc(String.Format("Clipping '{0}' polygons: 100%", tmxLayer.Name));
ClipperLib.PolyTree fullSolution = new ClipperLib.PolyTree();
fullClipper.Execute(ClipperLib.ClipType.ctUnion, fullSolution, LayerClipper.SubjectFillRule, LayerClipper.ClipFillRule);
return(fullSolution);
}
public static TmxObject FromXml(XElement xml, TmxObjectGroup tmxObjectGroup, TmxMap tmxMap)
{
Logger.WriteLine("Parsing object ...");
// What kind of TmxObject are we creating?
TmxObject tmxObject = null;
if (xml.Element("ellipse") != null)
{
tmxObject = new TmxObjectEllipse();
}
else if (xml.Element("polygon") != null)
{
tmxObject = new TmxObjectPolygon();
}
else if (xml.Element("polyline") != null)
{
tmxObject = new TmxObjectPolyline();
}
else if (xml.Attribute("gid") != null)
{
uint gid = TmxHelper.GetAttributeAsUInt(xml, "gid");
gid = TmxMath.GetTileIdWithoutFlags(gid);
if (tmxMap.Tiles.ContainsKey(gid))
{
tmxObject = new TmxObjectTile();
}
else
{
// For some reason, the tile is not in any of our tilesets
// Warn the user and use a rectangle
Logger.WriteWarning("Tile Id {0} not found in tilesets. Using a rectangle instead.\n{1}", gid, xml.ToString());
tmxObject = new TmxObjectRectangle();
}
}
else
{
// Just a rectangle
tmxObject = new TmxObjectRectangle();
}
// Data found on every object type
tmxObject.Name = TmxHelper.GetAttributeAsString(xml, "name", "");
tmxObject.Type = TmxHelper.GetAttributeAsString(xml, "type", "");
tmxObject.Visible = TmxHelper.GetAttributeAsInt(xml, "visible", 1) == 1;
tmxObject.ParentObjectGroup = tmxObjectGroup;
float x = TmxHelper.GetAttributeAsFloat(xml, "x");
float y = TmxHelper.GetAttributeAsFloat(xml, "y");
float w = TmxHelper.GetAttributeAsFloat(xml, "width", 0);
float h = TmxHelper.GetAttributeAsFloat(xml, "height", 0);
float r = TmxHelper.GetAttributeAsFloat(xml, "rotation", 0);
tmxObject.Position = new System.Drawing.PointF(x, y);
tmxObject.Size = new System.Drawing.SizeF(w, h);
tmxObject.Rotation = r;
tmxObject.Properties = TmxProperties.FromXml(xml);
tmxObject.InternalFromXml(xml, tmxMap);
return(tmxObject);
}
private List <XElement> CreateMeshElementsForLayer(TmxLayer layer)
{
// Mesh elements look like this:
// <GameObject copy="LayerName+TilesetName" />
// (The importer in Unity will look a submesh of that name and copy it to our prefab)
// (This is complicated by potential tile animations now)
var meshes = from rawTileId in layer.TileIds
where rawTileId != 0
let tileId = TmxMath.GetTileIdWithoutFlags(rawTileId)
let tile = this.tmxMap.Tiles[tileId]
let name = TiledMapExpoterUtils.UnityFriendlyMeshName(tmxMap, layer.UniqueName, Path.GetFileNameWithoutExtension(tile.TmxImage.Path))
group tile.Animation by name into meshGroup
select meshGroup;
List <XElement> xmlMeshes = new List <XElement>();
foreach (var m in meshes)
{
XElement xmlMesh = new XElement("GameObject", new XAttribute("copy", m.Key));
// Do we have any animations?
var animations = m.Distinct();
foreach (var anim in animations)
{
if (anim != null)
{
XElement xmlAnim = new XElement("TileAnimator");
foreach (var frame in anim.Frames)
{
xmlAnim.Add(new XElement("Frame", new XAttribute("vertex_z", frame.UniqueFrameId * Program.Vertex_ZScale), new XAttribute("duration", frame.DurationMs)));
}
xmlMesh.Add(xmlAnim);
}
}
xmlMeshes.Add(xmlMesh);
}
return(xmlMeshes);
}
private List <XElement> CreateImportFilesElements(string exportToUnityProjectPath)
{
List <XElement> elements = new List <XElement>();
// Add the mesh file as raw text
{
StringWriter objBuilder = BuildObjString();
XElement mesh =
new XElement("ImportMesh",
new XAttribute("filename", this.tmxMap.Name + ".obj"),
StringToBase64String(objBuilder.ToString()));
elements.Add(mesh);
}
{
// Add all image files as compressed base64 strings
var layerImages = from layer in this.tmxMap.Layers
where layer.Visible == true
from rawTileId in layer.TileIds
where rawTileId != 0
let tileId = TmxMath.GetTileIdWithoutFlags(rawTileId)
let tile = this.tmxMap.Tiles[tileId]
select tile.TmxImage;
// Tile Objects may have images not yet references by a layer
var objectImages = from objectGroup in this.tmxMap.ObjectGroups
where objectGroup.Visible == true
from tmxObject in objectGroup.Objects
where tmxObject.Visible == true
where tmxObject is TmxObjectTile
let tmxTileObject = tmxObject as TmxObjectTile
from mesh in tmxTileObject.Tile.Meshes
select mesh.TmxImage;
// Combine image paths from tile layers and object layers
List <TmxImage> images = new List <TmxImage>();
images.AddRange(layerImages);
images.AddRange(objectImages);
// Get rid of duplicate images
TmxImageComparer imageComparer = new TmxImageComparer();
images = images.Distinct(imageComparer).ToList();
// Do not import files if they are already in the project (in the /Assets/ directory of where we're exporting too)
string unityAssetsDir = Path.Combine(exportToUnityProjectPath, "Assets");
foreach (TmxImage image in images)
{
// If the copy from location comes from within the project we want to copy to, then don't do it.
// This allows us to have tileset images that are alreday in use by the Unity project
string saveToAssetsDir = unityAssetsDir.ToLower();
string copyFromDir = image.AbsolutePath.ToLower();
if (copyFromDir.StartsWith(saveToAssetsDir))
{
XElement xmlInternalTexture = new XElement("InternalTexture");
// The path to the texture will be WRT to the Unity project root
string assetPath = image.AbsolutePath.Remove(0, exportToUnityProjectPath.Length);
assetPath = assetPath.TrimStart('\\');
assetPath = assetPath.TrimStart('/');
Program.WriteLine("InternalTexture : {0}", assetPath);
// Path to texture in the asset directory
xmlInternalTexture.SetAttributeValue("assetPath", assetPath);
// Transparent color key?
if (!String.IsNullOrEmpty(image.TransparentColor))
{
xmlInternalTexture.SetAttributeValue("alphaColorKey", image.TransparentColor);
}
// Are we using depth shaders on our materials?
if (Program.DepthBufferEnabled)
{
xmlInternalTexture.SetAttributeValue("usesDepthShaders", true);
}
elements.Add(xmlInternalTexture);
}
else
{
XElement xmlImportTexture = new XElement("ImportTexture");
// Note that compression is not available in Unity. Go with Base64 string. Blerg.
Program.WriteLine("ImportTexture : will import '{0}' to {1}", image.AbsolutePath, Path.Combine(unityAssetsDir, "Tiled2Unity\\Textures\\"));
// Is there a color key for transparency?
if (!String.IsNullOrEmpty(image.TransparentColor))
{
xmlImportTexture.SetAttributeValue("alphaColorKey", image.TransparentColor);
}
// Are we using depth shaders on our materials?
if (Program.DepthBufferEnabled)
{
xmlImportTexture.SetAttributeValue("usesDepthShaders", true);
}
// Bake the image file into the xml
xmlImportTexture.Add(new XAttribute("filename", Path.GetFileName(image.AbsolutePath)), FileToBase64String(image.AbsolutePath));
elements.Add(xmlImportTexture);
}
}
}
return(elements);
}
private List <XElement> CreateImportFilesElements(string exportToUnityProjectPath)
{
List <XElement> elements = new List <XElement>();
// Add the mesh file as raw text
{
StringWriter objBuilder = BuildObjString();
XElement mesh =
new XElement("ImportMesh",
new XAttribute("filename", this.tmxMap.Name + ".obj"),
StringToBase64String(objBuilder.ToString()));
elements.Add(mesh);
}
{
// Add all image files as compressed base64 strings
var layerImages = from layer in this.tmxMap.Layers
where layer.Visible == true
from rawTileId in layer.TileIds
where rawTileId != 0
let tileId = TmxMath.GetTileIdWithoutFlags(rawTileId)
let tile = this.tmxMap.Tiles[tileId]
select tile.TmxImage;
// Find the images from the frames as well
var frameImages = from layer in this.tmxMap.Layers
where layer.Visible == true
from rawTileId in layer.TileIds
where rawTileId != 0
let tileId = TmxMath.GetTileIdWithoutFlags(rawTileId)
let tile = this.tmxMap.Tiles[tileId]
from rawFrame in tile.Animation.Frames
let frameId = TmxMath.GetTileIdWithoutFlags(rawFrame.GlobalTileId)
let frame = this.tmxMap.Tiles[frameId]
select frame.TmxImage;
// Tile Objects may have images not yet references by a layer
var objectImages = from objectGroup in this.tmxMap.ObjectGroups
where objectGroup.Visible == true
from tmxObject in objectGroup.Objects
where tmxObject.Visible == true
where tmxObject is TmxObjectTile
let tmxTileObject = tmxObject as TmxObjectTile
from mesh in tmxTileObject.Tile.Meshes
select mesh.TmxImage;
// Combine image paths from tile layers and object layers
List <TmxImage> images = new List <TmxImage>();
images.AddRange(layerImages);
images.AddRange(frameImages);
images.AddRange(objectImages);
// Get rid of duplicate images
TmxImageComparer imageComparer = new TmxImageComparer();
images = images.Distinct(imageComparer).ToList();
foreach (TmxImage image in images)
{
// The source texture is internal if it has a sibling *.meta file
// We don't want to copy internal textures into Unity because they are already there.
bool isInternal = File.Exists(image.AbsolutePath + ".meta");
if (isInternal)
{
// The texture is already in the Unity project so don't import
XElement xmlInternalTexture = new XElement("InternalTexture");
// The path to the texture will be WRT to the Unity project root
string assetsFolder = GetUnityAssetsPath(image.AbsolutePath);
string assetPath = image.AbsolutePath.Remove(0, assetsFolder.Length);
assetPath = "Assets" + assetPath;
assetPath = assetPath.Replace("\\", "/");
Logger.WriteLine("InternalTexture : {0}", assetPath);
// Path to texture in the asset directory
xmlInternalTexture.SetAttributeValue("assetPath", assetPath);
// Transparent color key?
if (!String.IsNullOrEmpty(image.TransparentColor))
{
xmlInternalTexture.SetAttributeValue("alphaColorKey", image.TransparentColor);
}
// Are we using depth shaders on our materials?
if (Tiled2Unity.Settings.DepthBufferEnabled)
{
xmlInternalTexture.SetAttributeValue("usesDepthShaders", true);
}
// Will the material be loaded as a resource?
if (this.tmxMap.IsResource)
{
xmlInternalTexture.SetAttributeValue("isResource", true);
}
elements.Add(xmlInternalTexture);
}
else
{
// The texture needs to be imported into the Unity project (under Tiled2Unity's care)
XElement xmlImportTexture = new XElement("ImportTexture");
// Note that compression is not available in Unity. Go with Base64 string. Blerg.
Logger.WriteLine("ImportTexture : will import '{0}' to {1}", image.AbsolutePath, Path.Combine(exportToUnityProjectPath, "Textures"));
// Is there a color key for transparency?
if (!String.IsNullOrEmpty(image.TransparentColor))
{
xmlImportTexture.SetAttributeValue("alphaColorKey", image.TransparentColor);
}
// Are we using depth shaders on our materials?
if (Tiled2Unity.Settings.DepthBufferEnabled)
{
xmlImportTexture.SetAttributeValue("usesDepthShaders", true);
}
// Will the material be loaded as a resource?
if (this.tmxMap.IsResource)
{
xmlImportTexture.SetAttributeValue("isResource", true);
}
// Bake the image file into the xml
xmlImportTexture.Add(new XAttribute("filename", Path.GetFileName(image.AbsolutePath)), FileToBase64String(image.AbsolutePath));
elements.Add(xmlImportTexture);
}
}
}
return(elements);
}
public static List <TmxMesh> FromTmxTile(TmxTile tmxTile, TmxMap tmxMap)
{
List <TmxMesh> list = new List <TmxMesh>();
int num = 0;
foreach (TmxFrame frame in tmxTile.Animation.Frames)
{
uint globalTileId = frame.GlobalTileId;
TmxTile tmxTile2 = tmxMap.Tiles[globalTileId];
TmxMesh tmxMesh = new TmxMesh();
tmxMesh.TileIds = new uint[1];
tmxMesh.TileIds[0] = globalTileId;
tmxMesh.UniqueMeshName = string.Format("{0}_mesh_tile_{1}", tmxMap.Name, TmxMath.GetTileIdWithoutFlags(globalTileId).ToString("D4"));
tmxMesh.TmxImage = tmxTile2.TmxImage;
tmxMesh.ObjectName = "tile_obj";
tmxMesh.StartTimeMs = num;
tmxMesh.DurationMs = frame.DurationMs;
tmxMesh.FullAnimationDurationMs = tmxTile.Animation.TotalTimeMs;
if (tmxMesh.DurationMs != 0)
{
TmxMesh tmxMesh2 = tmxMesh;
tmxMesh2.ObjectName += $"[{num}-{num + tmxMesh.DurationMs}][{tmxMesh.FullAnimationDurationMs}]";
}
num += frame.DurationMs;
list.Add(tmxMesh);
}
return(list);
}
public static PolyTree ExecuteClipper(TmxMap map, TmxChunk chunk, TransformPointFunc xfFunc)
{
////for(int i=0;i<chunk.Height;i++)
//// {
//// for(int j=0; j<chunk.Width;j++)
//// {
//// var raw = chunk.GetRawTileIdAt(j, i);
//// if(raw!=0)
//// {
//// var tid = TmxMath.GetTileIdWithoutFlags(raw);
//// var tile = map.Tiles[tid];
//// foreach(var p in tile.ObjectGroup.Objects)
//// {
//// if(p is TmxHasPoints)
//// {
//// p.ToEnumerable().Where((x) =>
//// {
//// if (!usingUnityLayerOverride)
//// {
//// return string.Compare(tuple.Item1.Type, chunk.ParentData.ParentLayer.Name, true) == 0;
//// }
//// return true;
//// });
//// }
//// }
//// }
//// }
//// }
// Clipper clipper = new Clipper(0);
// Tuple<TmxObject, TmxTile, uint> tuple = new Tuple<TmxObject, TmxTile, uint>(null, null, 0);
// bool usingUnityLayerOverride = !string.IsNullOrEmpty(chunk.ParentData.ParentLayer.UnityLayerOverrideName);
// foreach (var item2 in from h__TransparentIdentifier4 in (from y in Enumerable.Range(0, chunk.Height)
// from x in Enumerable.Range(0, chunk.Width)
// let rawTileId = chunk.GetRawTileIdAt(x, y)
// where rawTileId != 0
// let tileId = TmxMath.GetTileIdWithoutFlags(rawTileId)
// let tile = map.Tiles[tileId]
// from polygon in tile.ObjectGroup.Objects
// where polygon is TmxHasPoints
// select polygon.ToEnumerable().ToList().TrueForAll
// (h__TransparentIdentifier4 =>
// {
// UnityEngine.Debug.Log("liudaodelh");
// tuple = new Tuple<TmxObject, TmxTile, uint>(polygon, tile, rawTileId);
// if (!usingUnityLayerOverride)
// {
// return string.Compare(tuple.Item1.Type, chunk.ParentData.ParentLayer.Name, true) == 0;
// }
// return true;
// }))
// select new
// {
// PositionOnMap = map.GetMapPositionAt((int)tuple.Item1.Position.X + chunk.X, (int)tuple.Item1.Position.Y + chunk.Y, tuple.Item2),
// HasPointsInterface = (tuple.Item1 as TmxHasPoints),
// TmxObjectInterface = tuple.Item1,
// IsFlippedDiagnoally = TmxMath.IsTileFlippedDiagonally(tuple.Item3),
// IsFlippedHorizontally = TmxMath.IsTileFlippedHorizontally(tuple.Item3),
// IsFlippedVertically = TmxMath.IsTileFlippedVertically(tuple.Item3),
// TileCenter = new PointF((float)tuple.Item2.TileSize.Width * 0.5f, (float)tuple.Item2.TileSize.Height * 0.5f)
// })
// {
// List<IntPoint> list = new List<IntPoint>();
// SizeF offset = new SizeF(item2.TmxObjectInterface.Position);
// PointF[] array = item2.HasPointsInterface.Points.Select((PointF pt) => PointF.Add(pt, offset)).ToArray();
// TmxMath.TransformPoints(array, item2.TileCenter, item2.IsFlippedDiagnoally, item2.IsFlippedHorizontally, item2.IsFlippedVertically);
// PointF[] array2 = array;
// for (int i = 0; i < array2.Length; i++)
// {
// PointF pointF = array2[i];
// float x2 = (float)item2.PositionOnMap.X + pointF.X;
// float y2 = (float)item2.PositionOnMap.Y + pointF.Y;
// IntPoint item = xfFunc(x2, y2);
// list.Add(item);
// }
// list.Reverse();
// clipper.AddPath(list, PolyType.ptSubject, item2.HasPointsInterface.ArePointsClosed());
// }
// PolyTree polyTree = new PolyTree();
// clipper.Execute(ClipType.ctUnion, polyTree, SubjectFillRule, ClipFillRule);
// return polyTree;
ClipperLib.Clipper clipper = new ClipperLib.Clipper();
// Limit to polygon "type" that matches the collision layer name (unless we are overriding the whole layer to a specific Unity Layer Name)
bool usingUnityLayerOverride = !String.IsNullOrEmpty(chunk.ParentData.ParentLayer.UnityLayerOverrideName);
var polygons = from y in Enumerable.Range(0, chunk.Height)
from x in Enumerable.Range(0, chunk.Width)
let rawTileId = chunk.GetRawTileIdAt(x, y)
where rawTileId != 0
let tileId = TmxMath.GetTileIdWithoutFlags(rawTileId)
let tile = map.Tiles[tileId]
from polygon in tile.ObjectGroup.Objects
where (polygon as TmxHasPoints) != null
where usingUnityLayerOverride || String.Compare(polygon.Type, chunk.ParentData.ParentLayer.Name, true) == 0
select new
{
PositionOnMap = map.GetMapPositionAt(x + chunk.X, y + chunk.Y, tile),
HasPointsInterface = polygon as TmxHasPoints,
TmxObjectInterface = polygon,
IsFlippedDiagnoally = TmxMath.IsTileFlippedDiagonally(rawTileId),
IsFlippedHorizontally = TmxMath.IsTileFlippedHorizontally(rawTileId),
IsFlippedVertically = TmxMath.IsTileFlippedVertically(rawTileId),
TileCenter = new PointF(tile.TileSize.Width * 0.5f, tile.TileSize.Height * 0.5f),
};
// Add all our polygons to the Clipper library so it can reduce all the polygons to a (hopefully small) number of paths
foreach (var poly in polygons)
{
// Create a clipper library polygon out of each and add it to our collection
ClipperPolygon clipperPolygon = new ClipperPolygon();
// Our points may be transformed due to tile flipping/rotation
// Before we transform them we put all the points into local space relative to the tile
SizeF offset = new SizeF(poly.TmxObjectInterface.Position);
PointF[] transformedPoints = poly.HasPointsInterface.Points.Select(pt => PointF.Add(pt, offset)).ToArray();
// Now transform the points relative to the tile
TmxMath.TransformPoints(transformedPoints, poly.TileCenter, poly.IsFlippedDiagnoally, poly.IsFlippedHorizontally, poly.IsFlippedVertically);
foreach (var pt in transformedPoints)
{
float x = poly.PositionOnMap.X + pt.X;
float y = poly.PositionOnMap.Y + pt.Y;
ClipperLib.IntPoint point = xfFunc(x, y);
clipperPolygon.Add(point);
}
// Because of Unity's cooridnate system, the winding order of the polygons must be reversed
clipperPolygon.Reverse();
// Add the "subject"
clipper.AddPath(clipperPolygon, ClipperLib.PolyType.ptSubject, poly.HasPointsInterface.ArePointsClosed());
}
ClipperLib.PolyTree solution = new ClipperLib.PolyTree();
clipper.Execute(ClipperLib.ClipType.ctUnion, solution, LayerClipper.SubjectFillRule, LayerClipper.ClipFillRule);
return(solution);
}
private List <XElement> CreateImportFilesElements(string exportToUnityProjectPath)
{
List <XElement> elements = new List <XElement>();
// Add the mesh file as raw text
{
StringWriter objBuilder = BuildObjString();
XElement mesh =
new XElement("ImportMesh",
new XAttribute("filename", this.tmxMap.Name + ".obj"),
StringToBase64String(objBuilder.ToString()));
elements.Add(mesh);
}
{
// Add all image files as compressed base64 strings
var imagePaths = from layer in this.tmxMap.Layers
where layer.Visible == true
from rawTileId in layer.TileIds
where rawTileId != 0
let tileId = TmxMath.GetTileIdWithoutFlags(rawTileId)
let tile = this.tmxMap.Tiles[tileId]
select tile.TmxImage.Path;
imagePaths = imagePaths.Distinct();
// Do not import files if they are already in the project (in the /Assets/ directory of where we're exporting too)
string unityAssetsDir = Path.Combine(exportToUnityProjectPath, "Assets");
foreach (string path in imagePaths)
{
// If the copy from location comes from within the project we want to copy to, then don't do it.
// This allows us to have tileset images that are alreday in use by the Unity project
string saveToAssetsDir = unityAssetsDir.ToLower();
string copyFromDir = path.ToLower();
if (copyFromDir.StartsWith(saveToAssetsDir))
{
// The path to the texture will be WRT to the Unity project root
string assetPath = path.Remove(0, exportToUnityProjectPath.Length);
assetPath = assetPath.TrimStart('\\');
assetPath = assetPath.TrimStart('/');
Program.WriteLine("InternalTexture : {0}", assetPath);
XElement texture = new XElement("InternalTexture", new XAttribute("assetPath", assetPath));
elements.Add(texture);
}
else
{
// Note that compression is not available in Unity. Go with Base64 string. Blerg.
Program.WriteLine("ImportTexture : will import '{0}' to {1}", path, Path.Combine(unityAssetsDir, "Tiled2Unity\\Textures\\"));
XElement texture =
new XElement("ImportTexture",
new XAttribute("filename", Path.GetFileName(path)),
FileToBase64String(path));
//FileToCompressedBase64String(path));
elements.Add(texture);
}
}
}
return(elements);
}
private StringWriter BuildObjString()
{
// Creates the text for a Wavefront OBJ file for the TmxMap
StringWriter objWriter = new StringWriter();
// Gather the information for every face
var faces = from layer in this.tmxMap.Layers
where layer.Visible == true
where layer.Properties.GetPropertyValueAsBoolean("unity:collisionOnly", false) == false
// Draw order forces us to visit tiles in a particular order
from y in (this.tmxMap.DrawOrderVertical == 1) ? Enumerable.Range(0, layer.Height) : Enumerable.Range(0, layer.Height).Reverse()
from x in (this.tmxMap.DrawOrderHorizontal == 1) ? Enumerable.Range(0, layer.Width) : Enumerable.Range(0, layer.Width).Reverse()
let rawTileId = layer.GetRawTileIdAt(x, y)
let tileId = TmxMath.GetTileIdWithoutFlags(rawTileId)
where tileId != 0
let fd = TmxMath.IsTileFlippedDiagonally(rawTileId)
let fh = TmxMath.IsTileFlippedHorizontally(rawTileId)
let fv = TmxMath.IsTileFlippedVertically(rawTileId)
let animTile = this.tmxMap.Tiles[tileId]
// Enumerate through all frames of a tile. (Tiles without animation are treated as a single frame)
from frame in TileFrame.EnumerateFramesFromTile(animTile, this.tmxMap)
select new
{
LayerName = layer.UniqueName,
Vertices = CalculateFaceVertices(this.tmxMap.GetMapPositionAt(x, y), frame.Tile.TileSize, this.tmxMap.TileHeight, frame.Position_z),
TextureCoordinates = CalculateFaceTextureCoordinates(frame.Tile, fd, fh, fv),
ImagePath = frame.Tile.TmxImage.Path,
ImageName = Path.GetFileNameWithoutExtension(frame.Tile.TmxImage.Path),
};
// We have all the information we need now to build our list of vertices, texture coords, and grouped faces
// (Faces are grouped by LayerName.TextureName combination because Wavefront Obj only supports one texture per face)
objWriter.WriteLine("# Wavefront OBJ file automatically generated by Tiled2Unity");
objWriter.WriteLine();
// We may have a ton of vertices so use a set right now
HashSet <Vector3D> vertexSet = new HashSet <Vector3D>();
Program.WriteLine("Building face vertices");
foreach (var face in faces)
{
// Index the vertices
foreach (var v in face.Vertices)
{
vertexSet.Add(v);
}
}
HashSet <PointF> textureCoordinateSet = new HashSet <PointF>();
Program.WriteLine("Building face texture coordinates");
foreach (var face in faces)
{
// Index the texture coordinates
foreach (var tc in face.TextureCoordinates)
{
textureCoordinateSet.Add(tc);
}
}
// Write the indexed vertices
Program.WriteLine("Writing indexed vertices");
IList <Vector3D> vertices = vertexSet.ToList();
objWriter.WriteLine("# Vertices (Count = {0})", vertices.Count);
foreach (var v in vertices)
{
objWriter.WriteLine("v {0} {1} {2}", v.X, v.Y, v.Z);
}
objWriter.WriteLine();
// Write the indexed texture coordinates
Program.WriteLine("Writing indexed texture coordinates");
IList <PointF> textureCoordinates = textureCoordinateSet.ToList();
objWriter.WriteLine("# Texture Coorindates (Count = {0})", textureCoordinates.Count);
foreach (var vt in textureCoordinates)
{
objWriter.WriteLine("vt {0} {1}", vt.X, vt.Y);
}
objWriter.WriteLine();
// Write the one indexed normal
objWriter.WriteLine("# Normal");
objWriter.WriteLine("vn 0 0 -1");
objWriter.WriteLine();
// Group faces by Layer+TileSet
var groups = from f in faces
group f by TiledMapExpoterUtils.UnityFriendlyMeshName(tmxMap, f.LayerName, f.ImageName);
// Write out the faces
objWriter.WriteLine("# Groups (Count = {0})", groups.Count());
// Need dictionaries with index as value.
var vertexDict = Enumerable.Range(0, vertices.Count()).ToDictionary(i => vertices[i], i => i);
var texCoordDict = Enumerable.Range(0, textureCoordinates.Count()).ToDictionary(i => textureCoordinates[i], i => i);
foreach (var g in groups)
{
Program.WriteLine("Writing '{0}' mesh group", g.Key);
objWriter.WriteLine("g {0}", g.Key);
foreach (var f in g)
{
objWriter.Write("f ");
for (int i = 0; i < 4; ++i)
{
int vertexIndex = vertexDict[f.Vertices[i]] + 1;
int textureCoordinateIndex = texCoordDict[f.TextureCoordinates[i]] + 1;
objWriter.Write(" {0}/{1}/1 ", vertexIndex, textureCoordinateIndex);
}
objWriter.WriteLine();
}
}
Program.WriteLine("Done writing Wavefront Obj data for '{0}'", tmxMap.Name);
return(objWriter);
}
public uint GetTileIdAt(int x, int y)
{
uint tileId = GetRawTileIdAt(x, y);
return(TmxMath.GetTileIdWithoutFlags(tileId));
}
public static TmxLayer FromXml(XElement elem, TmxMap tmxMap)
{
Program.WriteVerbose(elem.ToString());
TmxLayer tmxLayer = new TmxLayer(tmxMap);
// Order within Xml file is import for layer types
tmxLayer.XmlElementIndex = elem.NodesBeforeSelf().Count();
// Have to decorate layer names in order to force them into being unique
// Also, can't have whitespace in the name because Unity will add underscores
tmxLayer.Name = TmxHelper.GetAttributeAsString(elem, "name");
tmxLayer.Visible = TmxHelper.GetAttributeAsInt(elem, "visible", 1) == 1;
tmxLayer.Opacity = TmxHelper.GetAttributeAsFloat(elem, "opacity", 1);
PointF offset = new PointF(0, 0);
offset.X = TmxHelper.GetAttributeAsFloat(elem, "offsetx", 0);
offset.Y = TmxHelper.GetAttributeAsFloat(elem, "offsety", 0);
tmxLayer.Offset = offset;
// Set our properties
tmxLayer.Properties = TmxProperties.FromXml(elem);
// Set the "ignore" setting on this layer
tmxLayer.Ignore = tmxLayer.Properties.GetPropertyValueAsEnum <IgnoreSettings>("unity:ignore", IgnoreSettings.False);
// We can build a layer from a "tile layer" (default) or an "image layer"
if (elem.Name == "layer")
{
tmxLayer.Width = TmxHelper.GetAttributeAsInt(elem, "width");
tmxLayer.Height = TmxHelper.GetAttributeAsInt(elem, "height");
tmxLayer.ParseData(elem.Element("data"));
}
else if (elem.Name == "imagelayer")
{
XElement xmlImage = elem.Element("image");
if (xmlImage == null)
{
Program.WriteWarning("Image Layer '{0}' is being ignored since it has no image.", tmxLayer.Name);
tmxLayer.Ignore = IgnoreSettings.True;
return(tmxLayer);
}
// An image layer is sort of like an tile layer but with just one tile
tmxLayer.Width = 1;
tmxLayer.Height = 1;
// Find the "tile" that matches our image
string imagePath = TmxHelper.GetAttributeAsFullPath(elem.Element("image"), "source");
TmxTile tile = tmxMap.Tiles.First(t => t.Value.TmxImage.AbsolutePath == imagePath).Value;
tmxLayer.TileIds = new uint[1] {
tile.GlobalId
};
// The image layer needs to be tranlated in an interesting way when expressed as a tile layer
PointF translated = tmxLayer.Offset;
// Make up for height of a regular tile in the map
translated.Y -= (float)tmxMap.TileHeight;
// Make up for the height of this image
translated.Y += (float)tile.TmxImage.Size.Height;
// Correct for any orientation effects on the map (like isometric)
// (We essentially undo the translation via orientation here)
PointF orientation = TmxMath.TileCornerInScreenCoordinates(tmxMap, 0, 0);
translated.X -= orientation.X;
translated.Y -= orientation.Y;
// Translate by the x and y coordiantes
translated.X += TmxHelper.GetAttributeAsFloat(elem, "x", 0);
translated.Y += TmxHelper.GetAttributeAsFloat(elem, "y", 0);
tmxLayer.Offset = translated;
}
// Sometimes TMX files have "dead" tiles in them (tiles that were removed but are still referenced)
// Remove these tiles from the layer by replacing them with zero
for (int t = 0; t < tmxLayer.TileIds.Length; ++t)
{
uint tileId = tmxLayer.TileIds[t];
tileId = TmxMath.GetTileIdWithoutFlags(tileId);
if (!tmxMap.Tiles.ContainsKey(tileId))
{
tmxLayer.TileIds[t] = 0;
}
}
// Each layer will be broken down into "meshes" which are collections of tiles matching the same texture or animation
tmxLayer.Meshes = TmxMesh.ListFromTmxLayer(tmxLayer);
// Each layer may contain different collision types which are themselves put into "Collison Layers" to be processed later
tmxLayer.UnityLayerOverrideName = tmxLayer.Properties.GetPropertyValueAsString("unity:layer", "");
tmxLayer.BuildCollisionLayers();
return(tmxLayer);
}
