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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,159 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
|
|
||
| /// <summary> | ||
| /// Represents an abstract scene node in the game. | ||
| /// </summary> | ||
| public abstract class SceneNode : GameEntity | ||
| { | ||
| // Parent Info | ||
| [CloneIgnore] | ||
| public string ParentInstanceID { get; set; } | ||
|
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||
| [CloneIgnore] | ||
| public string LastParentInstanceID { get; set; } | ||
|
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| [CloneIgnore] | ||
| protected SceneNode ParentNode; | ||
|
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| [CloneIgnore] | ||
| protected SceneNode LastParentNode; | ||
|
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| /// <summary> | ||
| /// Default constructor. | ||
| /// </summary> | ||
| public SceneNode() { } | ||
|
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| /// <summary> | ||
| /// Sets the parent scene node of the current scene node. | ||
| /// </summary> | ||
| /// <param name="newParent">The parent scene node.</param> | ||
| public void SetParent(SceneNode newParent) | ||
| { | ||
| if (ParentNode == newParent) | ||
| return; | ||
|
|
||
| SceneNode oldParent = ParentNode; | ||
|
|
||
| // Remove from old parent. | ||
| if (oldParent != null) | ||
| { | ||
| oldParent.RemoveChild(this); | ||
| } | ||
|
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| // Update parent references. | ||
| LastParentNode = oldParent; | ||
| ParentNode = newParent; | ||
| LastParentInstanceID = ParentInstanceID; | ||
| ParentInstanceID = newParent?.InstanceID; | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Gets the parent scene node of the current scene node. | ||
| /// </summary> | ||
| /// <returns>The parent scene node.</returns> | ||
| public SceneNode GetParent() | ||
| { | ||
| return ParentNode; | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Returns the last parent scene node of the current scene node. | ||
| /// </summary> | ||
| /// <returns>The last parent scene node.</returns> | ||
| public SceneNode GetLastParent() | ||
| { | ||
| return LastParentNode; | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Returns the closest parent scene node of the specified type. | ||
| /// </summary> | ||
| /// <typeparam name="T">The type of the parent scene node.</typeparam> | ||
| /// <returns>The closest parent scene node of the specified type.</returns> | ||
| public T GetParentOfType<T>() | ||
| where T : SceneNode | ||
| { | ||
| // Check if the current scene node is the specified type. | ||
| if (this is T) | ||
| { | ||
| return (T)this; | ||
| } | ||
|
|
||
| // Check the parent scene nodes. | ||
| SceneNode parent = ParentNode; | ||
| HashSet<SceneNode> visitedNodes = new HashSet<SceneNode>(); | ||
|
|
||
| while (parent != null) | ||
| { | ||
| if (!visitedNodes.Add(parent)) | ||
| { | ||
| // We've encountered this node before, which indicates a cycle. | ||
| throw new InvalidOperationException("Cycle detected in scene graph."); | ||
| } | ||
|
|
||
| if (parent is T matchingParent) | ||
| { | ||
| return matchingParent; | ||
| } | ||
| parent = parent.GetParent(); | ||
| } | ||
|
|
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| // No parent of the specified type was found. | ||
| return null; | ||
| } | ||
|
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| /// <summary> | ||
| /// Returns all children of the current scene node that match the specified game owner id and type. | ||
| /// </summary> | ||
| /// <typeparam name="T">The type of the children to retrieve.</typeparam> | ||
| /// <param name="ownerInstanceId">The game owner id to match.</param> | ||
| /// <returns>An enumerable collection of children that match the specified game owner id and type.</returns> | ||
| public IEnumerable<T> GetChildrenByOwnerInstanceID<T>(string ownerInstanceId) | ||
| where T : SceneNode | ||
| { | ||
| List<T> matchingChildren = new List<T>(); | ||
|
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| Traverse(node => | ||
| { | ||
| if (node is T && node.OwnerInstanceID == ownerInstanceId) | ||
| { | ||
| matchingChildren.Add((T)node); | ||
| } | ||
| }); | ||
|
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| return matchingChildren; | ||
| } | ||
|
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| /// <summary> | ||
| /// Adds a child scene node to the current scene node. | ||
| /// </summary> | ||
| /// <param name="child">The child scene node to add.</param> | ||
| public abstract void AddChild(SceneNode child); | ||
|
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| /// <summary> | ||
| /// Removes a child scene node from the current scene node. | ||
| /// </summary> | ||
| /// <param name="child">The child scene node to remove.</param> | ||
| public abstract void RemoveChild(SceneNode child); | ||
|
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| /// <summary> | ||
| /// Gets an enumerable collection of child scene nodes. | ||
| /// </summary> | ||
| /// <returns>An enumerable collection of scene nodes.</returns> | ||
| public abstract IEnumerable<SceneNode> GetChildren(); | ||
|
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| /// <summary> | ||
| /// Traverses the scene node and its children, applying the specified action to each node. | ||
| /// </summary> | ||
| /// <param name="action">The action to apply to each scene node.</param> | ||
| public void Traverse(Action<SceneNode> action) | ||
| { | ||
| action(this); | ||
|
|
||
| foreach (var child in GetChildren()) | ||
| { | ||
| child.Traverse(action); | ||
| } | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,159 +1,34 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
|
|
||
| /// <summary> | ||
| /// Represents an abstract scene node in the game. | ||
| /// </summary> | ||
| public abstract class SceneNode : GameEntity | ||
| [PersistableObject] | ||
| public class Technology | ||
| { | ||
| // Parent Info | ||
| [CloneIgnore] | ||
| public string ParentInstanceID { get; set; } | ||
|
|
||
| [CloneIgnore] | ||
| public string LastParentInstanceID { get; set; } | ||
|
|
||
| [CloneIgnore] | ||
| protected SceneNode ParentNode; | ||
|
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||
| [CloneIgnore] | ||
| protected SceneNode LastParentNode; | ||
| [PersistableInclude(typeof(Building))] | ||
| [PersistableInclude(typeof(CapitalShip))] | ||
| [PersistableInclude(typeof(SpecialForces))] | ||
| [PersistableInclude(typeof(Starfighter))] | ||
| public SceneNode Node { get; set; } | ||
|
|
||
| /// <summary> | ||
| /// Default constructor. | ||
| /// </summary> | ||
| public SceneNode() { } | ||
|
|
||
| /// <summary> | ||
| /// Sets the parent scene node of the current scene node. | ||
| /// </summary> | ||
| /// <param name="newParent">The parent scene node.</param> | ||
| public void SetParent(SceneNode newParent) | ||
| { | ||
| if (ParentNode == newParent) | ||
| return; | ||
|
|
||
| SceneNode oldParent = ParentNode; | ||
|
|
||
| // Remove from old parent. | ||
| if (oldParent != null) | ||
| { | ||
| oldParent.RemoveChild(this); | ||
| } | ||
|
|
||
| // Update parent references. | ||
| LastParentNode = oldParent; | ||
| ParentNode = newParent; | ||
| LastParentInstanceID = ParentInstanceID; | ||
| ParentInstanceID = newParent?.InstanceID; | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Gets the parent scene node of the current scene node. | ||
| /// </summary> | ||
| /// <returns>The parent scene node.</returns> | ||
| public SceneNode GetParent() | ||
| { | ||
| return ParentNode; | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Returns the last parent scene node of the current scene node. | ||
| /// </summary> | ||
| /// <returns>The last parent scene node.</returns> | ||
| public SceneNode GetLastParent() | ||
| { | ||
| return LastParentNode; | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Returns the closest parent scene node of the specified type. | ||
| /// </summary> | ||
| /// <typeparam name="T">The type of the parent scene node.</typeparam> | ||
| /// <returns>The closest parent scene node of the specified type.</returns> | ||
| public T GetParentOfType<T>() | ||
| where T : SceneNode | ||
| { | ||
| // Check if the current scene node is the specified type. | ||
| if (this is T) | ||
| { | ||
| return (T)this; | ||
| } | ||
|
|
||
| // Check the parent scene nodes. | ||
| SceneNode parent = ParentNode; | ||
| HashSet<SceneNode> visitedNodes = new HashSet<SceneNode>(); | ||
|
|
||
| while (parent != null) | ||
| { | ||
| if (!visitedNodes.Add(parent)) | ||
| { | ||
| // We've encountered this node before, which indicates a cycle. | ||
| throw new InvalidOperationException("Cycle detected in scene graph."); | ||
| } | ||
|
|
||
| if (parent is T matchingParent) | ||
| { | ||
| return matchingParent; | ||
| } | ||
| parent = parent.GetParent(); | ||
| } | ||
|
|
||
| // No parent of the specified type was found. | ||
| return null; | ||
| } | ||
| public Technology() { } | ||
|
|
||
| /// <summary> | ||
| /// Returns all children of the current scene node that match the specified game owner id and type. | ||
| /// Initializes the reference node with a scene node, which is the object to be referenced. | ||
| /// </summary> | ||
| /// <typeparam name="T">The type of the children to retrieve.</typeparam> | ||
| /// <param name="ownerInstanceId">The game owner id to match.</param> | ||
| /// <returns>An enumerable collection of children that match the specified game owner id and type.</returns> | ||
| public IEnumerable<T> GetChildrenByOwnerInstanceID<T>(string ownerInstanceId) | ||
| where T : SceneNode | ||
| /// <param name="node">The scene node to reference.</param> | ||
| public Technology(SceneNode node) | ||
| { | ||
| List<T> matchingChildren = new List<T>(); | ||
|
|
||
| Traverse(node => | ||
| { | ||
| if (node is T && node.OwnerInstanceID == ownerInstanceId) | ||
| { | ||
| matchingChildren.Add((T)node); | ||
| } | ||
| }); | ||
|
|
||
| return matchingChildren; | ||
| Node = node; | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Adds a child scene node to the current scene node. | ||
| /// Gets the referenced scene node. | ||
| /// </summary> | ||
| /// <param name="child">The child scene node to add.</param> | ||
| public abstract void AddChild(SceneNode child); | ||
|
|
||
| /// <summary> | ||
| /// Removes a child scene node from the current scene node. | ||
| /// </summary> | ||
| /// <param name="child">The child scene node to remove.</param> | ||
| public abstract void RemoveChild(SceneNode child); | ||
|
|
||
| /// <summary> | ||
| /// Gets an enumerable collection of child scene nodes. | ||
| /// </summary> | ||
| /// <returns>An enumerable collection of scene nodes.</returns> | ||
| public abstract IEnumerable<SceneNode> GetChildren(); | ||
|
|
||
| /// <summary> | ||
| /// Traverses the scene node and its children, applying the specified action to each node. | ||
| /// </summary> | ||
| /// <param name="action">The action to apply to each scene node.</param> | ||
| public void Traverse(Action<SceneNode> action) | ||
| /// <returns></returns> | ||
| public SceneNode GetReference() | ||
| { | ||
| action(this); | ||
|
|
||
| foreach (var child in GetChildren()) | ||
| { | ||
| child.Traverse(action); | ||
| } | ||
| return Node; | ||
| } | ||
| } |