private void FixTileColliderObjects(TmxMap tmxMap)
{
// Objects inside of tiles are colliders that will be merged with the colliders on neighboring tiles.
// In order to promote this merging we have to perform the following clean up operations ...
// - All rectangles objects are made into polygon objects
// - All polygon objects will have their rotations burned into the polygon points (and Rotation set to zero)
// - All cooridinates will be "sanitized" to make up for floating point errors due to rotation and poor placement of colliders
// (The sanitation will round all numbers to the nearest 1/256th)
// Replace rectangles with polygons
for (int i = 0; i < this.ObjectGroup.Objects.Count; i++)
{
TmxObject tmxObject = this.ObjectGroup.Objects[i];
if (tmxObject is TmxObjectRectangle)
{
TmxObjectPolygon tmxObjectPolygon = TmxObjectPolygon.FromRectangle(tmxMap, tmxObject as TmxObjectRectangle);
this.ObjectGroup.Objects[i] = tmxObjectPolygon;
}
}
// Burn rotation into all polygon points, sanitizing the point locations as we go
foreach (TmxObject tmxObject in this.ObjectGroup.Objects)
{
TmxHasPoints tmxHasPoints = tmxObject as TmxHasPoints;
if (tmxHasPoints != null)
{
var pointfs = tmxHasPoints.Points.ToArray();
// Rotate our points by the rotation and position in the object
TmxMath.RotatePoints(pointfs, tmxObject);
// Sanitize our points to make up for floating point precision errors
pointfs = pointfs.Select(TmxMath.Sanitize).ToArray();
// Set the points back into the object
tmxHasPoints.Points = pointfs.ToList();
// Zero out our rotation
tmxObject.BakeRotation();
}
}
}
private void FixTileColliderObjects(TmxMap tmxMap)
{
for (int i = 0; i < ObjectGroup.Objects.Count; i++)
{
TmxObject tmxObject = ObjectGroup.Objects[i];
if (tmxObject is TmxObjectRectangle)
{
TmxObjectPolygon value = TmxObjectPolygon.FromRectangle(tmxMap, tmxObject as TmxObjectRectangle);
ObjectGroup.Objects[i] = value;
}
}
foreach (TmxObject @object in ObjectGroup.Objects)
{
TmxHasPoints tmxHasPoints = @object as TmxHasPoints;
if (tmxHasPoints != null)
{
PointF[] array = tmxHasPoints.Points.ToArray();
TmxMath.RotatePoints(array, @object);
array = array.Select(TmxMath.Sanitize).ToArray();
tmxHasPoints.Points = array.ToList();
@object.BakeRotation();
}
}
}
private List <XElement> CreateObjectElementList(TmxObjectGroup objectGroup)
{
List <XElement> elements = new List <XElement>();
foreach (TmxObject tmxObject in objectGroup.Objects)
{
// All the objects/colliders in our object group need to be separate game objects because they can have unique tags/layers
XElement xmlObject = new XElement("GameObject", new XAttribute("name", tmxObject.GetNonEmptyName()));
// Transform object locaction into map space (needed for isometric and hex modes)
PointF xfPosition = TmxMath.ObjectPointFToMapSpace(this.tmxMap, tmxObject.Position);
PointF pos = PointFToUnityVector(xfPosition);
xmlObject.SetAttributeValue("x", pos.X);
xmlObject.SetAttributeValue("y", pos.Y);
xmlObject.SetAttributeValue("rotation", tmxObject.Rotation);
AssignUnityProperties(tmxObject, xmlObject, PrefabContext.Object);
AssignTiledProperties(tmxObject, xmlObject);
// If we're not using a unity:layer override and there is an Object Type to go with this object then use it
if (String.IsNullOrEmpty(objectGroup.UnityLayerOverrideName))
{
xmlObject.SetAttributeValue("layer", tmxObject.Type);
}
XElement objElement = null;
if (tmxObject.GetType() == typeof(TmxObjectRectangle))
{
if (this.tmxMap.Orientation == TmxMap.MapOrientation.Isometric)
{
TmxObjectPolygon tmxIsometricRectangle = TmxObjectPolygon.FromRectangle(this.tmxMap, tmxObject as TmxObjectRectangle);
objElement = CreatePolygonColliderElement(tmxIsometricRectangle);
}
else
{
objElement = CreateBoxColliderElement(tmxObject as TmxObjectRectangle);
}
}
else if (tmxObject.GetType() == typeof(TmxObjectEllipse))
{
objElement = CreateCircleColliderElement(tmxObject as TmxObjectEllipse, objectGroup.Name);
}
else if (tmxObject.GetType() == typeof(TmxObjectPolygon))
{
objElement = CreatePolygonColliderElement(tmxObject as TmxObjectPolygon);
}
else if (tmxObject.GetType() == typeof(TmxObjectPolyline))
{
objElement = CreateEdgeColliderElement(tmxObject as TmxObjectPolyline);
}
else if (tmxObject.GetType() == typeof(TmxObjectTile))
{
TmxObjectTile tmxObjectTile = tmxObject as TmxObjectTile;
// Apply z-cooridnate for use with the depth buffer
// (Again, this is complicated by the fact that object tiles position is WRT the bottom edge of a tile)
if (Tiled2Unity.Settings.DepthBufferEnabled)
{
float mapLogicalHeight = this.tmxMap.MapSizeInPixels().Height;
float tileLogicalHeight = this.tmxMap.TileHeight;
float logicalPos_y = (-pos.Y / Tiled2Unity.Settings.Scale) - tileLogicalHeight;
float depth_z = CalculateFaceDepth(logicalPos_y, mapLogicalHeight);
xmlObject.SetAttributeValue("z", depth_z);
}
AddTileObjectElements(tmxObject as TmxObjectTile, xmlObject);
}
else
{
Logger.WriteLine("Object '{0}' has been added for use with custom importers", tmxObject);
}
if (objElement != null)
{
xmlObject.Add(objElement);
}
elements.Add(xmlObject);
}
return(elements);
}
private List <XElement> CreateObjectElementList(TmxObjectGroup objectGroup)
{
List <XElement> elements = new List <XElement>();
foreach (TmxObject tmxObject in objectGroup.Objects)
{
// All the objects/colliders in our object group need to be separate game objects because they can have unique tags/layers
XElement xmlObject = new XElement("GameObject", new XAttribute("name", tmxObject.GetNonEmptyName()));
// Transform object locaction into map space (needed for isometric and hex modes)
PointF xfPosition = TmxMath.ObjectPointFToMapSpace(this.tmxMap, tmxObject.Position);
PointF pos = PointFToUnityVector(xfPosition);
xmlObject.SetAttributeValue("x", pos.X);
xmlObject.SetAttributeValue("y", pos.Y);
xmlObject.SetAttributeValue("rotation", tmxObject.Rotation);
AssignUnityProperties(tmxObject, xmlObject, PrefabContext.Object);
AssignTiledProperties(tmxObject, xmlObject);
// If we're not using a unity:layer override and there is an Object Type to go with this object then use it
if (String.IsNullOrEmpty(objectGroup.UnityLayerOverrideName))
{
// why would we /ever/ do this, christ
//xmlObject.SetAttributeValue("layer", tmxObject.Type);
}
XElement objElement = null;
XElement objComponent = new XElement("TmxObjectComponent",
new XAttribute("tmx-object-id", tmxObject.Id),
new XAttribute("tmx-object-name", tmxObject.Name),
new XAttribute("tmx-object-type", tmxObject.Type),
new XAttribute("tmx-object-x", tmxObject.Position.X),
new XAttribute("tmx-object-y", tmxObject.Position.Y),
new XAttribute("tmx-object-width", tmxObject.Size.Width),
new XAttribute("tmx-object-height", tmxObject.Size.Height),
new XAttribute("tmx-object-rotation", tmxObject.Rotation));
// Do not create colliders if the are being ignored. (Still want to creat the game object though)
bool ignoringCollisions = (objectGroup.Ignore == TmxLayerNode.IgnoreSettings.Collision);
if (!ignoringCollisions && tmxObject.GetType() == typeof(TmxObjectRectangle))
{
if (this.tmxMap.Orientation == TmxMap.MapOrientation.Isometric)
{
TmxObjectPolygon tmxIsometricRectangle = TmxObjectPolygon.FromRectangle(this.tmxMap, tmxObject as TmxObjectRectangle);
objElement = CreatePolygonColliderElement(tmxIsometricRectangle);
}
else
{
objElement = CreateBoxColliderElement(tmxObject as TmxObjectRectangle);
}
// Set object component type
objComponent.Name = "RectangleObjectComponent";
}
else if (!ignoringCollisions && tmxObject.GetType() == typeof(TmxObjectEllipse))
{
objElement = CreateCircleColliderElement(tmxObject as TmxObjectEllipse, objectGroup.Name);
// Set the component type
objComponent.Name = "CircleObjectComponent";
}
else if (!ignoringCollisions && tmxObject.GetType() == typeof(TmxObjectPolygon))
{
objElement = CreatePolygonColliderElement(tmxObject as TmxObjectPolygon);
// Set the component type
objComponent.Name = "PolygonObjectComponent";
}
else if (!ignoringCollisions && tmxObject.GetType() == typeof(TmxObjectPolyline))
{
objElement = CreateEdgeColliderElement(tmxObject as TmxObjectPolyline);
// Set the component type
objComponent.Name = "PolylineObjectComponent";
}
else if (tmxObject.GetType() == typeof(TmxObjectTile))
{
TmxObjectTile tmxObjectTile = tmxObject as TmxObjectTile;
// Apply z-cooridnate for use with the depth buffer
if (Tiled2Unity.Settings.DepthBufferEnabled)
{
float depth_z = CalculateFaceDepth(tmxObjectTile.Position.Y, tmxMap.MapSizeInPixels.Height);
xmlObject.SetAttributeValue("z", depth_z);
}
AddTileObjectElements(tmxObjectTile, xmlObject, objComponent);
}
else
{
Logger.WriteLine("Object '{0}' has been added for use with custom importers", tmxObject);
}
if (objElement != null)
{
xmlObject.Add(objComponent);
xmlObject.Add(objElement);
}
elements.Add(xmlObject);
}
return(elements);
}
private List <XElement> CreateObjectElementList(TmxObjectGroup objectGroup)
{
List <XElement> elements = new List <XElement>();
foreach (TmxObject tmxObject in objectGroup.Objects)
{
// All the objects/colliders in our object group need to be separate game objects because they can have unique tags/layers
XElement xmlObject = new XElement("GameObject", new XAttribute("name", tmxObject.GetNonEmptyName()));
// Transform object locaction into map space (needed for isometric and hex modes)
PointF xfPosition = TmxMath.ObjectPointFToMapSpace(this.tmxMap, tmxObject.Position);
PointF pos = PointFToUnityVector(xfPosition);
xmlObject.SetAttributeValue("x", pos.X);
xmlObject.SetAttributeValue("y", pos.Y);
xmlObject.SetAttributeValue("rotation", tmxObject.Rotation);
AssignUnityProperties(tmxObject, xmlObject, PrefabContext.Object);
AssignTiledProperties(tmxObject, xmlObject);
XElement objElement = null;
if (tmxObject.GetType() == typeof(TmxObjectRectangle))
{
if (this.tmxMap.Orientation == TmxMap.MapOrientation.Isometric)
{
TmxObjectPolygon tmxIsometricRectangle = TmxObjectPolygon.FromRectangle(this.tmxMap, tmxObject as TmxObjectRectangle);
objElement = CreatePolygonColliderElement(tmxIsometricRectangle);
}
else
{
objElement = CreateBoxColliderElement(tmxObject as TmxObjectRectangle);
}
}
else if (tmxObject.GetType() == typeof(TmxObjectEllipse))
{
objElement = CreateCircleColliderElement(tmxObject as TmxObjectEllipse, objectGroup.Name);
}
else if (tmxObject.GetType() == typeof(TmxObjectPolygon))
{
objElement = CreatePolygonColliderElement(tmxObject as TmxObjectPolygon);
}
else if (tmxObject.GetType() == typeof(TmxObjectPolyline))
{
objElement = CreateEdgeColliderElement(tmxObject as TmxObjectPolyline);
}
else if (tmxObject.GetType() == typeof(TmxObjectTile))
{
AddTileObjectElements(tmxObject as TmxObjectTile, xmlObject);
}
else
{
Program.WriteLine("Object '{0}' has been added for use with custom importers", tmxObject);
}
if (objElement != null)
{
xmlObject.Add(objElement);
}
elements.Add(xmlObject);
}
return(elements);
}
private void DrawObjectCollider(Graphics g, TmxObject tmxObject, Color color)
{
Color brushColor = Color.FromArgb(128, color);
using (Brush brush = new HatchBrush(HatchStyle.BackwardDiagonal, color, brushColor))
using (Pen pen = new Pen(color))
{
pen.Alignment = PenAlignment.Inset;
GraphicsState state = g.Save();
PointF xfPosition = TmxMath.ObjectPointFToMapSpace(this.tmxMap, tmxObject.Position);
g.TranslateTransform(xfPosition.X, xfPosition.Y);
g.RotateTransform(tmxObject.Rotation);
if (tmxObject.GetType() == typeof(TmxObjectPolygon))
{
DrawPolygon(g, pen, brush, tmxObject as TmxObjectPolygon);
}
else if (tmxObject.GetType() == typeof(TmxObjectRectangle))
{
if (this.tmxMap.Orientation == TmxMap.MapOrientation.Isometric)
{
TmxObjectPolygon tmxIsometricRectangle = TmxObjectPolygon.FromRectangle(this.tmxMap, tmxObject as TmxObjectRectangle);
DrawPolygon(g, pen, brush, tmxIsometricRectangle);
}
else
{
// Rectangles are polygons
DrawPolygon(g, pen, brush, tmxObject as TmxObjectPolygon);
}
}
else if (tmxObject.GetType() == typeof(TmxObjectEllipse))
{
DrawEllipse(g, pen, brush, tmxObject as TmxObjectEllipse);
}
else if (tmxObject.GetType() == typeof(TmxObjectPolyline))
{
DrawPolyline(g, pen, tmxObject as TmxObjectPolyline);
}
else if (tmxObject.GetType() == typeof(TmxObjectTile))
{
GraphicsState tileState = g.Save();
TmxObjectTile tmxObjectTile = tmxObject as TmxObjectTile;
// Apply scale
SizeF scale = tmxObjectTile.GetTileObjectScale();
g.ScaleTransform(scale.Width, scale.Height);
// Apply horizontal flip
if (tmxObjectTile.FlippedHorizontal)
{
g.TranslateTransform(tmxObjectTile.Tile.TileSize.Width, 0);
g.ScaleTransform(-1, 1);
}
// Apply vertical flip
if (tmxObjectTile.FlippedVertical)
{
g.TranslateTransform(0, -tmxObjectTile.Tile.TileSize.Height);
g.ScaleTransform(1, -1);
}
// (Note: Now we can draw the tile and collisions as normal as the transforms have been set up.)
// Draw the tile
Rectangle destination = new Rectangle(0, -tmxObjectTile.Tile.TileSize.Height, tmxObjectTile.Tile.TileSize.Width, tmxObjectTile.Tile.TileSize.Height);
Rectangle source = new Rectangle(tmxObjectTile.Tile.LocationOnSource, tmxObjectTile.Tile.TileSize);
g.DrawImage(tmxObjectTile.Tile.TmxImage.ImageBitmap, destination, source, GraphicsUnit.Pixel);
// Put a black border around the tile so it sticks out a bit as an object
g.DrawRectangle(Pens.Black, destination);
// Draw the collisions
// Make up for the fact that the bottom-left corner is the origin
g.TranslateTransform(0, -tmxObjectTile.Tile.TileSize.Height);
foreach (var obj in tmxObjectTile.Tile.ObjectGroup.Objects)
{
DrawObjectCollider(g, obj, Color.Gray);
}
g.Restore(tileState);
}
else
{
g.Restore(state);
RectangleF bounds = tmxObject.GetWorldBounds();
g.FillRectangle(Brushes.Red, bounds.X, bounds.Y, bounds.Width, bounds.Height);
g.DrawRectangle(Pens.White, bounds.X, bounds.Y, bounds.Width, bounds.Height);
string message = String.Format("Unhandled object: {0}", tmxObject.GetNonEmptyName());
DrawString(g, message, bounds.X, bounds.Y);
}
// Restore our state
g.Restore(state);
}
}
