internal virtual bool RemoveChild(Cv_SceneNode node)
{
Cv_SceneNode toErase = null;
foreach (var c in Children)
{
if (c == node)
{
toErase = c;
break;
}
}
if (toErase != null)
{
Children.Remove(toErase);
return(true);
}
var removed = false;
foreach (var c in Children)
{
if (c.RemoveChild(node))
{
removed = true;
break;
}
}
return(removed);
}
internal virtual bool RemoveChild(Cv_EntityID entityId)
{
Cv_SceneNode toErase = null;
foreach (var c in Children)
{
if (c.Properties.EntityID != Cv_EntityID.INVALID_ENTITY && c.Properties.EntityID == entityId)
{
toErase = c;
break;
}
}
if (toErase != null)
{
Children.Remove(toErase);
return(true);
}
var removed = false;
foreach (var c in Children)
{
if (c.RemoveChild(entityId))
{
removed = true;
break;
}
}
return(removed);
}
internal virtual bool AddChild(Cv_SceneNode child)
{
if (child != null)
{
Children.Add(child);
child.Parent = this;
return(true);
}
return(false);
}
private void SetNodeTransform(Cv_SceneNode node)
{
if (node.Properties.EntityID == Cv_EntityID.INVALID_ENTITY)
{
return;
}
var entity = Caravel.Logic.GetEntity(node.Properties.EntityID);
var transformComponent = entity.GetComponent <Cv_TransformComponent>();
if (transformComponent != null)
{
node.Position = transformComponent.Position;
node.Scale = transformComponent.Scale;
node.Origin = transformComponent.Origin;
node.Rotation = transformComponent.Rotation;
}
}
public Cv_SceneElement(CaravelApp app)
{
Caravel = app;
EditorSelectedEntity = Cv_EntityID.INVALID_ENTITY;
m_EntitiesMap = new Dictionary <Cv_EntityID, List <Cv_SceneNode> >();
m_HolderNodes = new Dictionary <Cv_EntityID, Cv_HolderNode>();
m_TransformStack = new List <Cv_Transform>();
m_Root = new Cv_HolderNode(Cv_EntityID.INVALID_ENTITY);
m_Listeners += Cv_EventManager.Instance.AddListener <Cv_Event_NewRenderComponent>(OnNewRenderComponent);
m_Listeners += Cv_EventManager.Instance.AddListener <Cv_Event_NewCameraComponent>(OnNewCameraComponent);
m_Listeners += Cv_EventManager.Instance.AddListener <Cv_Event_NewClickableComponent>(OnNewClickableComponent);
m_Listeners += Cv_EventManager.Instance.AddListener <Cv_Event_DestroyEntity>(OnDestroyEntity);
m_Listeners += Cv_EventManager.Instance.AddListener <Cv_Event_DestroyCameraComponent>(OnDestroyCameraComponent);
m_Listeners += Cv_EventManager.Instance.AddListener <Cv_Event_DestroyClickableComponent>(OnDestroyClickableComponent);
m_Listeners += Cv_EventManager.Instance.AddListener <Cv_Event_DestroyRenderComponent>(OnDestroyRenderComponent);
m_Listeners += Cv_EventManager.Instance.AddListener <Cv_Event_TransformEntity>(OnMoveEntity);
m_Listeners += Cv_EventManager.Instance.AddListener <Cv_Event_ModifiedRenderComponent>(OnModifiedRenderComponent);
}
public bool AddNode(Cv_EntityID entityID, Cv_SceneNode node)
{
if (node == null)
{
Cv_Debug.Error("Trying to add nonexistant node to scene.");
return(false);
}
if (entityID != Cv_EntityID.INVALID_ENTITY)
{
Cv_HolderNode holderNode = null;
if (m_HolderNodes.TryGetValue(entityID, out holderNode))
{
if (holderNode.Parent.Properties.EntityID != Cv_EntityID.INVALID_ENTITY) //holderNode is not direct child of root
{
Cv_Debug.Error("Cannot have two nodes belonging to the same entity with different parents.");
return(false);
}
m_EntitiesMap[entityID].Add(node);
}
if (holderNode == null)
{
var nodes = new List <Cv_SceneNode>();
nodes.Add(node);
m_EntitiesMap.Add(entityID, nodes);
holderNode = new Cv_HolderNode(entityID);
m_Root.AddChild(holderNode);
m_HolderNodes.Add(entityID, holderNode);
}
SetNodeTransform(holderNode);
return(holderNode.AddChild(node));
}
return(m_Root.AddChild(node));
}
private bool RemoveNode(Cv_SceneNode node)
{
if (m_Root.RemoveChild(node))
{
m_EntitiesMap[node.Properties.EntityID].Remove(node);
if (m_EntitiesMap[node.Properties.EntityID].Count <= 0)
{
m_EntitiesMap.Remove(node.Properties.EntityID);
if (m_HolderNodes.ContainsKey(node.Properties.EntityID))
{
var holderNode = m_HolderNodes[node.Properties.EntityID];
m_Root.RemoveChild(holderNode);
m_HolderNodes.Remove(node.Properties.EntityID);
}
}
return(true);
}
return(false);
}
public bool AddNodeAsChild(Cv_EntityID parentEntity, Cv_EntityID entityID, Cv_SceneNode node)
{
if (node == null)
{
Cv_Debug.Error("Trying to add nonexistant node to scene.");
return(false);
}
if (entityID != Cv_EntityID.INVALID_ENTITY)
{
Cv_HolderNode ancestorNode = null;
if (parentEntity == Cv_EntityID.INVALID_ENTITY)
{
return(AddNode(entityID, node));
}
else if (!m_HolderNodes.ContainsKey(parentEntity))
{
var currEntity = Caravel.Logic.GetEntity(parentEntity);
var entityStack = new Stack <Cv_Entity>();
if (currEntity == null)
{
return(false);
}
//Rebuild path to root
entityStack.Push(currEntity);
while (currEntity.Parent != Cv_EntityID.INVALID_ENTITY)
{
currEntity = Caravel.Logic.GetEntity(currEntity.Parent);
if (m_HolderNodes.ContainsKey(currEntity.ID))
{
ancestorNode = m_HolderNodes[currEntity.ID];
break;
}
entityStack.Push(currEntity);
}
//Add all the nodes starting with the closest to the root
while (entityStack.Count > 0)
{
currEntity = entityStack.Pop();
var newNodes = new List <Cv_SceneNode>();
m_EntitiesMap.Add(currEntity.ID, newNodes);
var hNode = new Cv_HolderNode(currEntity.ID);
m_HolderNodes.Add(currEntity.ID, hNode);
if (ancestorNode != null)
{
ancestorNode.AddChild(hNode);
}
else
{
m_Root.AddChild(hNode);
}
ancestorNode = hNode;
SetNodeTransform(hNode);
}
}
else
{
ancestorNode = m_HolderNodes[parentEntity];
}
if (ancestorNode == null)
{
Cv_Debug.Error("Error while trying to find a parent for the new node.");
return(false);
}
Cv_HolderNode holderNode = null;
List <Cv_SceneNode> nodes = null;
if (m_HolderNodes.TryGetValue(entityID, out holderNode))
{
if (holderNode.Parent.Properties.EntityID != parentEntity)
{
Cv_Debug.Error("Cannot have two nodes belonging to the same entity with different parents.");
return(false);
}
nodes = m_EntitiesMap[entityID];
}
else
{
holderNode = new Cv_HolderNode(entityID);
ancestorNode.AddChild(holderNode);
SetNodeTransform(holderNode);
nodes = new List <Cv_SceneNode>();
m_EntitiesMap.Add(entityID, nodes);
m_HolderNodes.Add(entityID, holderNode);
}
nodes.Add(node);
return(holderNode.AddChild(node));
}
else
{
if (parentEntity != Cv_EntityID.INVALID_ENTITY)
{
Cv_Debug.Error("Trying to attach a node without entity to a node with an entity.");
return(false);
}
return(m_Root.AddChild(node));
}
}
