public List <IEntity> PopulateScene(TiledMap map)
{
if (map == null)
{
throw new ArgumentNullException(nameof(map));
}
bool playerFound = false;
foreach (var objGroup in map.ObjectGroups)
{
foreach (var obj in objGroup.Objects)
{
if ("player".Equals(obj.Type, StringComparison.OrdinalIgnoreCase))
{
if (!playerFound)
{
allocatedEntities.Add(new Player(
physicsWorld, obj, map.GetTileRegion((int)obj.Gid)));
playerFound = true;
}
else
{
throw new InvalidSceneDataException(
"Cannot have more than one player.", nameof(map));
}
}
else if ("coin".Equals(obj.Type, StringComparison.OrdinalIgnoreCase))
{
allocatedEntities.Add(new Coin(
physicsWorld, obj, map.GetTileRegion((int)obj.Gid)));
}
else if (obj.ObjectType == TiledObjectType.Tile)
{
allocatedEntities.Add(new DrawableEntity(
physicsWorld, obj, map.GetTileRegion((int)obj.Gid)));
}
else if (obj.ObjectType == TiledObjectType.Rectangle)
{
CreateRectangle(obj);
}
else
{
Console.WriteLine("[{0}] Discarding unsupported object of type {1}.",
GetType().Name, obj.ObjectType);
}
}
}
if (!playerFound)
{
throw new InvalidSceneDataException("Must specify player object.", nameof(map));
}
return(allocatedEntities);
}
public void CheckForCollision(TiledMap map)
{
// Collision with bottom of map
if (this.BoundingRect.Bottom > map.HeightInPixels)
{
this.position.Y = map.HeightInPixels - texture.Height;
this.velocity.Y = 0;
onGround = true;
}
// Collision with top of map
if (this.BoundingRect.Top < 0)
{
this.position.Y = 0;
this.velocity.Y = 0;
}
// Collision with top of map
if (this.BoundingRect.Left < 0)
{
this.position.X = 0;
this.velocity.X = 0;
}
// Collision with top of map
if (this.BoundingRect.Right > map.WidthInPixels)
{
this.position.X = map.WidthInPixels - texture.Width;
this.velocity.X = 0;
}
// Check for collision using collision layer
TiledTileLayer layer = (TiledTileLayer)map.GetLayer("Collision");
foreach (var tile in layer.Tiles)
{
if (
((tile.X * 32) > this.BoundingRect.Right) ||
((tile.Y * 32) > this.BoundingRect.Bottom) ||
(((tile.X * 32) + 32) < this.BoundingRect.Left) ||
(((tile.Y * 32) + 32) < this.BoundingRect.Top)
)
{
continue;
}
var region = map.GetTileRegion(tile.Id);
if (region != null && region.Texture.Name == "Tilesets/collision" &&
(region.X + region.Y == 35))
{
this.position.Y = (tile.Y * 32) - this.BoundingRect.Height;
this.velocity.Y = 0;
onGround = true;
}
}
}