protected override void LoadContent()
{
_adt = new ADT(_path);
_adt.Read();
_terrain = new GeometryDrawer();
_terrain.Initialize(Game, Color.Green, _adt.MapChunks.Select(mc => mc.Vertices),
_adt.MapChunks.Select(mc => mc.Triangles));
var firstVert = _adt.MapChunks[0].Vertices[0];
meshDisplay.Game.Camera.Camera.Position = new Vector3(firstVert.Y, firstVert.Z, firstVert.X);
if (_adt.DoodadHandler.Triangles != null)
{
_doodads = new GeometryDrawer();
_doodads.Initialize(Game, Color.Yellow, _adt.DoodadHandler.Vertices, _adt.DoodadHandler.Triangles);
}
if (_adt.WorldModelHandler.Triangles != null)
{
_wmos = new GeometryDrawer();
_wmos.Initialize(Game, Color.Red, _adt.WorldModelHandler.Vertices, _adt.WorldModelHandler.Triangles);
}
if (_adt.LiquidHandler.Triangles != null)
{
_liquid = new GeometryDrawer();
_liquid.Initialize(Game, Color.Blue, _adt.LiquidHandler.Vertices, _adt.LiquidHandler.Triangles);
}
_effect = new BasicEffect(GraphicsDevice);
_depthState = new DepthStencilState {DepthBufferEnable = true};
}
public void TestGameAdt()
{
MpqManager.Initialize("S:\\WoW");
var test = new ADT("World\\maps\\Northrend\\Northrend_43_29.adt");
test.Read();
Assert.AreEqual(test.MapChunks.Length, 16*16);
Assert.IsNotNull(test.DoodadHandler.Vertices);
Assert.IsNotNull(test.DoodadHandler.Triangles);
}
public byte[] Build(BaseLog log)
{
Log = log;
Geometry = new Geometry {Transform = true};
{
var main = new ADT(GetAdtPath(World, X, Y));
main.Read();
Geometry.AddAdt(main);
}
if (Geometry.Vertices.Count == 0 && Geometry.Triangles.Count == 0)
throw new InvalidOperationException("Can't build tile with empty geometry");
float[] bbMin, bbMax;
CalculateTileBounds(out bbMin, out bbMax);
Geometry.CalculateMinMaxHeight(out bbMin[1], out bbMax[1]);
// again, we load everything - wasteful but who cares
for (int ty = Y - 1; ty <= Y + 1; ty++)
{
for (int tx = X - 1; tx <= X + 1; tx++)
{
try
{
// don't load main tile again
if (tx == X && ty == Y)
continue;
var adt = new ADT(GetAdtPath(World, tx, ty));
adt.Read();
Geometry.AddAdt(adt);
}
catch (FileNotFoundException)
{
// don't care - no file means no geometry
}
}
}
Context = new RecastContext();
Context.SetContextHandler(Log);
// get raw geometry - lots of slowness here
float[] vertices;
int[] triangles;
byte[] areas;
Geometry.GetRawData(out vertices, out triangles, out areas);
Geometry.Triangles.Clear();
Geometry.Vertices.Clear();
// add border
bbMin[0] -= Config.BorderSize*Config.CellSize;
bbMin[2] -= Config.BorderSize*Config.CellSize;
bbMax[0] += Config.BorderSize*Config.CellSize;
bbMax[2] += Config.BorderSize*Config.CellSize;
Heightfield hf;
int width = Config.TileWidth + (Config.BorderSize*2);
if (!Context.CreateHeightfield(out hf, width, width, bbMin, bbMax, Config.CellSize, Config.CellHeight))
throw new OutOfMemoryException("CreateHeightfield ran out of memory");
Context.ClearUnwalkableTriangles(Config.WalkableSlopeAngle, ref vertices, ref triangles, areas);
Context.RasterizeTriangles(ref vertices, ref triangles, ref areas, hf, Config.WalkableClimb);
// Once all geometry is rasterized, we do initial pass of filtering to
// remove unwanted overhangs caused by the conservative rasterization
// as well as filter spans where the character cannot possibly stand.
Context.FilterLowHangingWalkableObstacles(Config.WalkableClimb, hf);
Context.FilterLedgeSpans(Config.WalkableHeight, Config.WalkableClimb, hf);
Context.FilterWalkableLowHeightSpans(Config.WalkableHeight, hf);
// Compact the heightfield so that it is faster to handle from now on.
// This will result in more cache coherent data as well as the neighbours
// between walkable cells will be calculated.
CompactHeightfield chf;
if (!Context.BuildCompactHeightfield(Config.WalkableHeight, Config.WalkableClimb, hf, out chf))
throw new OutOfMemoryException("BuildCompactHeightfield ran out of memory");
hf.Delete();
// Erode the walkable area by agent radius.
if (!Context.ErodeWalkableArea(Config.WalkableRadius, chf))
throw new OutOfMemoryException("ErodeWalkableArea ran out of memory");
// Prepare for region partitioning, by calculating distance field along the walkable surface.
if (!Context.BuildDistanceField(chf))
throw new OutOfMemoryException("BuildDistanceField ran out of memory");
// Partition the walkable surface into simple regions without holes.
if (!Context.BuildRegions(chf, Config.BorderSize, Config.MinRegionArea, Config.MergeRegionArea))
throw new OutOfMemoryException("BuildRegionsMonotone ran out of memory");
// Create contours.
ContourSet cset;
if (!Context.BuildContours(chf, Config.MaxSimplificationError, Config.MaxEdgeLength, out cset))
throw new OutOfMemoryException("BuildContours ran out of memory");
// Build polygon navmesh from the contours.
PolyMesh pmesh;
if (!Context.BuildPolyMesh(cset, Config.MaxVertsPerPoly, out pmesh))
throw new OutOfMemoryException("BuildPolyMesh ran out of memory");
// Build detail mesh.
PolyMeshDetail dmesh;
if (
!Context.BuildPolyMeshDetail(pmesh, chf, Config.DetailSampleDistance, Config.DetailSampleMaxError,
out dmesh))
throw new OutOfMemoryException("BuildPolyMeshDetail ran out of memory");
chf.Delete();
cset.Delete();
// Remove padding from the polymesh data. (Remove this odditity)
pmesh.RemovePadding(Config.BorderSize);
// Set flags according to area types (e.g. Swim for Water)
pmesh.MarkAll();
// get original bounds
float[] tilebMin, tilebMax;
CalculateTileBounds(out tilebMin, out tilebMax);
tilebMin[1] = bbMin[1];
tilebMax[1] = bbMax[1];
// build off mesh connections for flightmasters
// bMax and bMin are switched here because of the coordinate system transformation
var taxis = TaxiHelper.GetNodesInBBox(MapId, tilebMax.ToWoW(), tilebMin.ToWoW());
var connections = new List<OffMeshConnection>();
foreach (var taxi in taxis)
{
Log.Log(LogCategory.Warning,
"Flightmaster \"" + taxi.Name + "\", Id: " + taxi.Id + " Horde: " + taxi.IsHorde + " Alliance: " +
taxi.IsAlliance);
var data = TaxiHelper.GetTaxiData(taxi);
var from = taxi.Location.ToRecast().ToFloatArray();
connections.AddRange(data.To.Select(to => new OffMeshConnection
{
AreaId = PolyArea.Road,
Flags = PolyFlag.FlightMaster,
From = from,
To = to.Value.Location.ToRecast().ToFloatArray(),
Radius = Config.WorldWalkableRadius,
Type = ConnectionType.OneWay,
UserID = (uint) to.Key
}));
foreach (var target in data.To)
Log.Log(LogCategory.Warning,
"\tPath to: \"" + target.Value.Name + "\" Id: " + target.Value.Id + " Path Id: " +
target.Key);
}
byte[] tileData;
if (!Detour.CreateNavMeshData(out tileData, pmesh, dmesh,
X, Y, tilebMin, tilebMax,
Config.WorldWalkableHeight, Config.WorldWalkableRadius,
Config.WorldWalkableClimb, Config.CellSize,
Config.CellHeight, Config.TileWidth,
connections.ToArray()))
{
pmesh.Delete();
dmesh.Delete();
return null;
}
pmesh.Delete();
dmesh.Delete();
Cache.Clear();
GC.Collect();
return tileData;
}
public static ADT GetAdt(string world, int x, int y)
{
ADT adt = null;
if (Cache.Adt.TryGetValue(new Tuple<int, int>(x, y), out adt))
return adt;
adt = new ADT(GetAdtPath(world, x, y));
adt.Read();
Cache.Adt.Add(new Tuple<int, int>(x, y), adt);
return adt;
}