/** Updates the meshes used in OnDrawGizmos to visualize the navmesh */
void UpdateDebugMeshes () {
var graph = target as RecastGraph;
var tiles = graph.GetTiles();
if (tiles == null || tiles.Length != gizmoMeshes.Count) {
// Destroy all previous meshes
UnloadGizmoMeshes();
}
if (tiles != null) {
// Update navmesh vizualizations for
// the tiles that have been changed
for (int i = 0; i < tiles.Length; i++) {
if (i < gizmoMeshes.Count && gizmoMeshes[i].tile == tiles[i]) {
// Tile is still valid, don't update it
} else {
// Tile needs to be updated
var newTile = new GizmoTile {
tile = tiles[i],
surfaceMesh = CreateNavmeshSurfaceVisualization(tiles[i]),
outlineMesh = CreateNavmeshOutlineVisualization(tiles[i])
};
if (i < gizmoMeshes.Count) {
// Destroy and replace existing mesh
Mesh.DestroyImmediate(gizmoMeshes[i].surfaceMesh);
Mesh.DestroyImmediate(gizmoMeshes[i].outlineMesh);
gizmoMeshes[i] = newTile;
} else {
gizmoMeshes.Add(newTile);
}
}
}
}
}
/** Updates the meshes used in OnDrawGizmos to visualize the navmesh */
void UpdateDebugMeshes()
{
var graph = target as RecastGraph;
var tiles = graph.GetTiles();
if (tiles == null || tiles.Length != gizmoMeshes.Count)
{
// Destroy all previous meshes
UnloadGizmoMeshes();
}
if (tiles != null)
{
// Update navmesh vizualizations for
// the tiles that have been changed
for (int i = 0; i < tiles.Length; i++)
{
bool validTile = i < gizmoMeshes.Count && gizmoMeshes[i].tile == tiles[i];
// Calculate a hash of the tile
int hash = 0;
const int HashPrime = 31;
var nodes = tiles[i].nodes;
for (int j = 0; j < nodes.Length; j++)
{
hash = hash * HashPrime;
var node = nodes[j];
hash ^= node.position.GetHashCode();
hash ^= 17 * (node.connections != null ? node.connections.Length : -1);
hash ^= 19 * (int)node.Penalty;
hash ^= 41 * (int)node.Tag;
hash ^= 57 * (int)node.Area;
}
hash ^= 67 * (int)AstarPath.active.debugMode;
hash ^= 73 * AstarPath.active.debugFloor.GetHashCode();
hash ^= 79 * AstarPath.active.debugRoof.GetHashCode();
validTile = validTile && hash == gizmoMeshes[i].hash;
if (!validTile)
{
// Tile needs to be updated
var newTile = new GizmoTile {
tile = tiles[i],
hash = hash,
surfaceMesh = CreateNavmeshSurfaceVisualization(tiles[i]),
outlineMesh = CreateNavmeshOutlineVisualization(tiles[i])
};
if (i < gizmoMeshes.Count)
{
// Destroy and replace existing mesh
Mesh.DestroyImmediate(gizmoMeshes[i].surfaceMesh);
Mesh.DestroyImmediate(gizmoMeshes[i].outlineMesh);
gizmoMeshes[i] = newTile;
}
else
{
gizmoMeshes.Add(newTile);
}
}
}
}
}
/** Updates the meshes used in OnDrawGizmos to visualize the navmesh */
void UpdateDebugMeshes () {
var graph = target as RecastGraph;
var tiles = graph.GetTiles();
if (tiles == null || tiles.Length != gizmoMeshes.Count) {
// Destroy all previous meshes
UnloadGizmoMeshes();
}
if (tiles != null) {
// Update navmesh vizualizations for
// the tiles that have been changed
for (int i = 0; i < tiles.Length; i++) {
bool validTile = i < gizmoMeshes.Count && gizmoMeshes[i].tile == tiles[i];
// Calculate a hash of the tile
int hash = 0;
const int HashPrime = 31;
var nodes = tiles[i].nodes;
for (int j = 0; j < nodes.Length; j++) {
hash = hash*HashPrime;
var node = nodes[j];
hash ^= node.position.GetHashCode();
hash ^= 17 * (node.connections != null ? node.connections.Length : -1);
hash ^= 19 * (int)node.Penalty;
hash ^= 41 * (int)node.Tag;
hash ^= 57 * (int)node.Area;
}
hash ^= 67 * (int)AstarPath.active.debugMode;
hash ^= 73 * AstarPath.active.debugFloor.GetHashCode();
hash ^= 79 * AstarPath.active.debugRoof.GetHashCode();
validTile = validTile && hash == gizmoMeshes[i].hash;
if (!validTile) {
// Tile needs to be updated
var newTile = new GizmoTile {
tile = tiles[i],
hash = hash,
surfaceMesh = CreateNavmeshSurfaceVisualization(tiles[i]),
outlineMesh = CreateNavmeshOutlineVisualization(tiles[i])
};
if (i < gizmoMeshes.Count) {
// Destroy and replace existing mesh
Mesh.DestroyImmediate(gizmoMeshes[i].surfaceMesh);
Mesh.DestroyImmediate(gizmoMeshes[i].outlineMesh);
gizmoMeshes[i] = newTile;
} else {
gizmoMeshes.Add(newTile);
}
}
}
}
}
