public NavigationService(TilemapNavData navData)
{
NavRegionGenerationFunctions.InitialiseNavRegionsFromData(navData);
_navigationTable = navData.NavigationTable;
_navigationTable.Initialise();
}
public void InitialiseNavRegionsFromData_LoadsExpectedNeighbourRefsForRawData()
{
var nodes = new List <NavNode> {
new NavNode {
Neighbours = new[] { 1, 2 }
}, new NavNode {
Neighbours = new[] { 0, 2 }
}, new NavNode {
Neighbours = new[] { 0, 1 }
}
};
var nodeListingNeighbours = new List <NavNode> {
new NavNode {
Neighbours = new[] { 0, 2 }
}
};
var regions = new List <NavRegion> {
new NavRegion(nodeListingNeighbours.ToArray())
};
var data = ScriptableObject.CreateInstance <TilemapNavData>();
data.NodeData = nodes;
data.NavigationTable = new NavTable(regions);
NavRegionGenerationFunctions.InitialiseNavRegionsFromData(data);
foreach (var node in nodes)
{
Assert.AreEqual(2, node.NeighbourRefs.Length);
}
}
public void GenerateNavRegionsFromNodes_CreatesExpectedNumberOfRegionsForClashingPoints()
{
const int neighbourCount = 4;
const int singleNodes = 30;
const int expectedRegionCount = 5;
var nodesToAllocate = new List <NavNode>();
var neighbourNodes = new List <NavNode>(neighbourCount);
NavNode priorNode = null;
for (int j = 0; j < expectedRegionCount; j++)
{
for (int i = 0; i < singleNodes; i++)
{
var newNode = new NavNode();
for (int k = 0; k < neighbourCount - 1; k++)
{
var newNeighbour = new NavNode();
neighbourNodes.Add(newNeighbour);
}
if (priorNode != null)
{
var updatedPriorNeighbours = priorNode.NeighbourRefs.ToList();
updatedPriorNeighbours.Add(newNode);
priorNode.NeighbourRefs = updatedPriorNeighbours.ToArray();
neighbourNodes.Add(priorNode);
}
newNode.NeighbourRefs = neighbourNodes.ToArray();
nodesToAllocate.Add(newNode);
foreach (var neighbourNode in neighbourNodes)
{
nodesToAllocate.Add(neighbourNode);
}
neighbourNodes.Clear();
priorNode = newNode;
}
}
Assert.AreEqual(1, NavRegionGenerationFunctions.GenerateNavRegionsFromNodes(nodesToAllocate, singleNodes * neighbourCount).Count);
}
public void GenerateNavRegionsFromNodes_DoesNotConsiderDuplicates()
{
const int singleNodes = 30;
const int expectedRegionCount = 5;
var nodesToAllocate = new List <NavNode>();
var newNode = new NavNode();
for (int j = 0; j < expectedRegionCount; j++)
{
for (int i = 0; i < singleNodes; i++)
{
nodesToAllocate.Add(newNode);
}
}
Assert.AreEqual(1, NavRegionGenerationFunctions.GenerateNavRegionsFromNodes(nodesToAllocate, singleNodes).Count);
}
private void OnGUI()
{
GUILayout.Label("Nav Settings", EditorStyles.boldLabel);
filePath = EditorGUILayout.TextField("File Path", filePath);
fileName = EditorGUILayout.TextField("File Name", fileName);
tilesPerRegion = EditorGUILayout.IntField("Tiles Per Region", tilesPerRegion);
GUILayout.Label("Operations", EditorStyles.boldLabel);
if (GUILayout.Button("Build Tilemap Nav"))
{
var returnedNodes = NavGenerationFunctions.GenerateNavDataForCurrentScene();
var returnedRegions = NavRegionGenerationFunctions.GenerateNavRegionsFromNodes(returnedNodes, tilesPerRegion);
var navData = CreateInstance <TilemapNavData>();
navData.NodeData = returnedNodes;
navData.NavigationTable = new NavTable(returnedRegions);
AssetDatabase.CreateAsset(navData, filePath + fileName + ".asset");
}
}
public void GenerateNavRegionsFromNodes_DoesNotCreateRegionsAcrossUnconnectedComponents()
{
const int neighbourCount = 4;
const int singleNodes = 30;
const int expectedRegionCount = 5;
var nodesToAllocate = new List <NavNode>();
var neighbourNodes = new List <NavNode>(neighbourCount);
for (int j = 0; j < expectedRegionCount; j++)
{
for (int i = 0; i < singleNodes; i++)
{
var newNode = new NavNode();
for (int k = 0; k < neighbourCount - 1; k++)
{
var newNeighbour = new NavNode();
neighbourNodes.Add(newNeighbour);
}
newNode.NeighbourRefs = neighbourNodes.ToArray();
nodesToAllocate.Add(newNode);
foreach (var neighbourNode in neighbourNodes)
{
nodesToAllocate.Add(neighbourNode);
}
neighbourNodes.Clear();
}
}
Assert.AreEqual(expectedRegionCount * singleNodes, NavRegionGenerationFunctions.GenerateNavRegionsFromNodes(nodesToAllocate, singleNodes * neighbourCount).Count);
}
