public void BuildTile(int x, int y)
{
RecastVertex bmin = Geometry.MinBounds;
RecastVertex bmax = Geometry.MaxBounds;
float tcs = Config.TileSize * Config.CellSize;
RecastVertex tileBMin = new RecastVertex();
RecastVertex tileBMax = new RecastVertex();
tileBMin.X = bmin.X + x * tcs;
tileBMin.Y = bmin.Y;
tileBMin.Z = bmin.Z + y * tcs;
tileBMax.X = bmin.X + (x + 1) * tcs;
tileBMax.Y = bmax.Y;
tileBMax.Z = bmin.Z + (y + 1) * tcs;
var builder = BuildTileMesh(x, y, tileBMin, tileBMax);
// remove/add new tile?
if (builder != null)
{
Detour.NavMeshBuilder outBuilder;
// nav mesh remove tile
NavMesh.RemoveTile(NavMesh.GetTileRefAt(x, y, 0), out outBuilder);
// nav mesh add tile
long result = 0;
NavMesh.AddTile(builder, NavMesh.TileFreeData, 0, ref result);
}
}
/// <summary>
/// Builds a single polygon from the nav mesh
/// </summary>
/// <param name="navmesh">the entire navmesh which contains all polygon data</param>
/// <param name="refId">id of the polygon that is to be drawn</param>
/// <param name="color">Color to make the polygon</param>
/// <param name="verts">List of Verts to add to</param>
/// <param name="colors">List of colors for specific polygons</param>
/// <param name="uvs">List of UVs for the polygons</param>
/// <param name="tris">List of Triangles for the polygons</param>
private void BuildNavMeshPoly(Detour.NavMesh navmesh, long refId, Color color, List <Vector3> verts, List <Color> colors, List <Vector2> uvs, List <int> tris)
{
MeshTile tile = null;
Poly poly = null;
if ((navmesh.GetTileAndPolyByRef(refId, ref tile, ref poly) & Status.Failure) != 0)
{
return;
}
long ip = 0;
for (int i = 0; i < tile.Polys.Length; i++)
{
if (poly == tile.Polys[i])
{
ip = i;
}
}
if (poly.Type == Detour.NavMeshBuilder.PolyTypeOffMeshConnection)
{
// do nothing for now
}
else
{
PolyDetail pd = tile.DetailMeshes[ip];
for (int i = 0; i < pd.TriCount; i++)
{
int t = ((int)pd.TriBase + i) * 4;
for (int j = 0; j < 3; j++)
{
if (tile.DetailTris[t + j] < poly.VertCount)
{
verts.Add(new Vector3(tile.Verts[poly.Verts[tile.DetailTris[t + j]] * 3 + 0], tile.Verts[poly.Verts[tile.DetailTris[t + j]] * 3 + 1], tile.Verts[poly.Verts[tile.DetailTris[t + j]] * 3 + 2]));
}
else
{
verts.Add(
new Vector3(tile.DetailVerts[(pd.VertBase + tile.DetailTris[t + j] - poly.VertCount) * 3 + 0],
tile.DetailVerts[(pd.VertBase + tile.DetailTris[t + j] - poly.VertCount) * 3 + 1],
tile.DetailVerts[(pd.VertBase + tile.DetailTris[t + j] - poly.VertCount) * 3 + 2]));
}
uvs.Add(new Vector2());
colors.Add(color);
tris.Add(tris.Count);
}
}
}
}
/// <summary>
/// Builds the initial query, normally called by awake
/// Can be callen manually with a different nav mesh.
/// </summary>
/// <param name="navMesh"></param>
public void InitializeQuery(Detour.NavMesh navMesh)
{
_navMeshQuery = new NavMeshQuery();
_navMeshQuery.Init(navMesh, 2048);
filter = new QueryFilter();
// These values need to me modifiable in the editor later using RecastArea
filter.IncludeFlags = 15;
filter.ExcludeFlags = 0;
filter.SetAreaCost(1, 1.0f);
filter.SetAreaCost(2, 10.0f);
filter.SetAreaCost(3, 1.0f);
filter.SetAreaCost(4, 1.0f);
filter.SetAreaCost(5, 2);
filter.SetAreaCost(6, 1.5f);
}
public void RebuildTiles()
{
Progress = 0;
IsBuilding = true;
RecastVertex bmin = Geometry.MinBounds;
RecastVertex bmax = Geometry.MaxBounds;
RecastVertex tileBMin = new RecastVertex();
RecastVertex tileBMax = new RecastVertex();
float tcs = Config.TileSize * Config.CellSize;
Total = TileWidth * TileHeight;
for (int y = 0; y < TileHeight; y++)
{
for (int x = 0; x < TileWidth; x++)
{
Progress = y * TileWidth + x;
tileBMin.X = bmin.X + x * tcs;
tileBMin.Y = bmin.Y;
tileBMin.Z = bmin.Z + y * tcs;
tileBMax.X = bmin.X + (x + 1) * tcs;
tileBMax.Y = bmax.Y;
tileBMax.Z = bmin.Z + (y + 1) * tcs;
EditorUtility.DisplayProgressBar("Generating...", "Generating Tile " + Progress + " of " + Total, Progress / (float)Total);
var builder = BuildTileMesh(x, y, tileBMin, tileBMax);
// remove/add new tile?
if (builder != null)
{
Detour.NavMeshBuilder outBuilder;
// nav mesh remove tile
NavMesh.RemoveTile(NavMesh.GetTileRefAt(x, y, 0), out outBuilder);
// nav mesh add tile
long result = 0;
NavMesh.AddTile(builder, NavMesh.TileFreeData, 0, ref result);
}
}
}
EditorUtility.ClearProgressBar();
IsBuilding = false;
BuildGeometry();
}
public void BuildTile(int x, int y, RecastVertex tileBMin, RecastVertex tileBMax)
{
var builder = BuildTileMesh(x, y, tileBMin, tileBMax);
// remove/add new tile?
if (builder != null)
{
lock (this)
{
Detour.NavMeshBuilder outBuilder;
// nav mesh remove tile
NavMesh.RemoveTile(NavMesh.GetTileRefAt(x, y, 0), out outBuilder);
// nav mesh add tile
long result = 0;
NavMesh.AddTile(builder, NavMesh.TileFreeData, 0, ref result);
}
}
Progress++;
}
public bool Init(string filePath)
{
FileStream f = null;
try
{
f = File.OpenRead(filePath);
}
catch (System.Exception ex)
{
Log.Log.Common.Print(ex.ToString());
Log.Log.Common.Print(ex.StackTrace.ToString());
return(false);
}
BsonReader reader = new BsonReader(f);
JsonSerializer serializer = new JsonSerializer();
Detour.NavMesh nav = serializer.Deserialize <NavMeshSerializer>(reader).Reconstitute();
Status ret = mNavMeshQuery.Init(nav, 2048);
return(ret == Status.Success);
}
/// <summary>
/// Builds the NavMesh geometry into a Unity3d Mesh to display for debug
/// </summary>
public void BuildNavMeshGeometry()
{
if (NavMesh != null)
{
NavMeshTriangles = new List <int>();
NavMeshVerts = new List <Vector3>();
NavMeshUVs = new List <Vector2>();
NavMeshColors = new List <Color>();
for (int i = 0; i < NavMesh.GetMaxTiles(); i++)
{
MeshTile tile = NavMesh.GetTile(i);
if (tile.Header == null)
{
continue;
}
long baseId = NavMesh.GetPolyRefBase(tile);
for (int j = 0; j < tile.Header.PolyCount; j++)
{
BuildNavMeshPoly(baseId | (uint)j, duRGBA(0, 0, 64, 128), NavMeshVerts, NavMeshColors, NavMeshUVs, NavMeshTriangles);
}
}
}
}
public void RemoveTile(int x, int y)
{
Detour.NavMeshBuilder outBuilder;
// nav mesh remove tile
NavMesh.RemoveTile(NavMesh.GetTileRefAt(x, y, 0), out outBuilder);
}