/// <summary>
/// Public Interface, for loading all the entities.
/// </summary>
/// <returns></returns>
public IEnumerable <EntityData> LoadEntities()
{
if (!_fileOpened)
{
DefaultLogger.WriteExceptionThenQuit(MessageType.FileIOError,
new InvalidOperationException("EntityParser cannot load entities before file has been opened."));
}
// otherwise file is open
return(ParseEntities(_xmlDoc.Descendants("Entity")));
}
public void RemoveEntity(IEntity entity)
{
if (!_context.Entities.Contains(entity))
{
DefaultLogger.WriteExceptionThenQuit(
MessageType.RuntimeException,
new InvalidOperationException(
string.Format("Attempting to remove entity {0} which is not in the entity repository.",
entity.ToString()))
);
}
// safe to remove entity
_context.Entities.Remove(entity);
}
public void InsertEntity(IEntity entity)
{
if (_context.Entities.Contains(entity))
{
DefaultLogger.WriteExceptionThenQuit(
MessageType.RuntimeException,
new InvalidOperationException(
string.Format("Attempting to add already existing entity {0} to entity repository",
entity.ToString()))
);
}
// safe to add entity
_context.Entities.Add(entity);
}
public void RemoveComponent(Component component)
{
if (!ContainsComponent(component))
{
DefaultLogger.WriteExceptionThenQuit(
MessageType.RuntimeException,
new InvalidOperationException(
string.Format("Attempting to remove non-existing component {0} to entity {1}.",
component.ToString(), this.ToString()))
);
}
// safe to remove component
_components.Remove(component);
//ResolveComponentDependencies();
}
//private void ResolveComponentDependencies()
//{
// var r = Components.Where(c => c.GetType() == typeof(RenderableComponent));
// var p = Components.Where(c => c.GetType() == typeof(PlayerComponent));
// // if the entity has both renderable component and a player component
// if (r.Any() && p.Any())
// {
// (p.FirstOrDefault() as PlayerComponent).Player.Sprite = (r.FirstOrDefault() as RenderableComponent).Sprite;
// }
// // otherwise we need to check if we need to remove any dependences (ie when removing a component dynamically)
// else
// {
// // if there is a player, and no renderable component
// // NOTE: the !r.any() is unnecessary for now, but leaving it in for when we expand this system.
// if (p.Any() && !r.Any())
// {
// (r.FirstOrDefault() as RenderableComponent).Sprite = null;
// }
// }
//}
#endregion
#region IEntity Members
public void AddComponent(Component component)
{
if (ContainsComponent(component))
{
DefaultLogger.WriteExceptionThenQuit(
MessageType.RuntimeException,
new InvalidOperationException(
string.Format("Attempting to add already existing component {0} to entity {1}",
component.ToString(), this.ToString()))
);
}
// safe to attach component to entity
_components.Add(component);
//ResolveComponentDependencies();
}
/// <summary>
/// The main entry point for the application.
/// </summary>
static void Main(string[] args)
{
using (Instance instance = new Instance())
{
try
{
instance.Run();
}
catch (Exception e)
{
if (EntityIoLogger.FatalExceptionCaught)
{
DefaultLogger.WriteExceptionThenQuit(MessageType.UncaughtRuntimeException, e, "Caught in main program.cs");
DefaultLogger.Close();
instance.Exit();
}
}
}
}
public Texture2D GetTextureByFilename(string filename)
{
if (ContainsTextureWithFilename(filename))
{
return(_textures[filename]);
}
try
{
// texture is not already present, ok to add
Texture2D texture = _contentManager.Load <Texture2D>("./images/" + filename);
DefaultLogger.WriteLine(MessageType.Information, string.Format("Texture {0} loaded into texture repository. Texture width: {1}, height {2}.",
texture.Name, texture.Width, texture.Height));
_textures.Add(filename, texture);
return(texture);
}
catch (ContentLoadException cle)
{
DefaultLogger.WriteExceptionThenQuit(MessageType.RuntimeException, cle);
return(default(Texture2D));
}
}