public static bool LoadFile(string filename, EntityManager entityManager)
{
bool success = false;
try
{
XmlDocument file = new XmlDocument();
file.Load(filename);
XmlNode topNode = file.FirstChild;
for (int i = 0; i < topNode.ChildNodes.Count; i += 1)
{
XmlNode child = topNode.ChildNodes[i];
if (child.Name == "Shared")
{
LoadShared(topNode.Name, child, entityManager);
}
else if (child.Name == "Entity")
{
Entity entity = LoadEntity(child);
entityManager.AddEntityToDictionary(topNode.Name, entity);
}
}
}
catch (Exception e)
{
//load failed
Debug.WriteLine(e);
}
return(success);
}
private void CreateWall()
{
Vector3 position = camera.Position;
Vector3 direction = camera.Direction.Normalized() * 1;
position += direction;
Debug.WriteLine("Position: " + position);
position.X = (float)Math.Floor(position.X + 0.4f);
position.Y = 1f;
position.Z = (float)Math.Ceiling(position.Z - 0.4f);
Entity newWall = new Entity("Wall_");
newWall.AddComponent(new ComponentTransform(position, new Vector3(1, 1, 1), new Vector3(0, 0, 0)));
newWall.AddComponent(new ComponentGeometry("Geometry/CubeGeometry.txt"));
newWall.AddComponent(new ComponentTexture("Textures/wall.png"));
newWall.AddComponent(new ComponentCollisionBox(new Vector3(-0.5f, -0.5f, -0.5f), new Vector3(0.5f, 0.5f, 0.5f), true));
entityManager.AddEntityToDictionary(name, newWall);
}
static void LoadShared(string name, XmlNode node, EntityManager entityManager)
{
XmlNode sharedComponentsNode = node.FirstChild;
List <IComponent> sharedComponents = new List <IComponent>();
//load shared components for use
for (int j = 0; j < sharedComponentsNode.ChildNodes.Count; j += 1)
{
XmlNode sharedComponentNode = sharedComponentsNode.ChildNodes[j];
IComponent newComponent = LoadComponent(sharedComponentNode);
if (newComponent != null)
{
sharedComponents.Add(newComponent);
}
}
//create the new entities
for (int i = 1; i < node.ChildNodes.Count; i += 1) //for all the entities
{
XmlNode entityNode = node.ChildNodes[i];
string id = entityNode.FirstChild.InnerText;
Entity newEntity = new Entity(id);
//add all of the shared components to the entity BUG: not a new instance of the object, same object reference added to all
for (int j = 0; j < sharedComponents.Count; j += 1)
{
newEntity.AddComponent(sharedComponents[j].Copy());
}
//load the unique components and add them to the entity
XmlNode componentsNode = entityNode.FirstChild.NextSibling;
for (int j = 0; j < componentsNode.ChildNodes.Count; j += 1)
{
//pointing wrong place
XmlNode componentNode = componentsNode.ChildNodes[j];
IComponent newComponent = LoadComponent(componentNode);
newEntity.AddComponent(newComponent);
}
entityManager.AddEntityToDictionary(name, newEntity);
}
}