public static void GetAllianceGunshipModelGeometry(List <Vector3> vertices, List <Triangle <uint> > triangles, string fileId)
{
var wmo = new WorldModelRoot(fileId); // no caching, we load it only once
if (wmo.DoodadInstances.Count <= 0)
{
return;
}
foreach (var group in wmo.Groups)
{
if ((group.Flags & 0x80) != 0) // Here is a group of triangles that mess-up the WMO
{
continue;
}
int vertOffset = vertices.Count;
if (group.Triangles != null)
{
bool one = false;
for (int i = 0; i < group.Triangles.Length; i++)
{
// includes all triangles for AllianceGunship
var tri = group.Triangles[i];
triangles.Add(new Triangle <uint>(TriangleType.Wmo, (uint)(tri.V0 + vertOffset),
(uint)(tri.V1 + vertOffset),
(uint)(tri.V2 + vertOffset)));
one = true;
}
if (one)
{
vertices.AddRange(group.Vertices);
}
}
}
}
public void AddDungeon(WorldModelRoot model, WorldModelHandler.WorldModelDefinition def)
{
var verts = new List <Vector3>();
var tris = new List <Triangle <uint> >();
WorldModelHandler.InsertModelGeometry(verts, tris, def, model);
AddData(verts, tris);
}
protected override void ProcessInternal(ChunkedData subChunks)
{
if (!IsSane)
{
return;
}
var wmoReferencesChunk = subChunks.GetChunkByName("MCRW");
if (wmoReferencesChunk == null)
{
return;
}
var stream = wmoReferencesChunk.GetStream();
var reader = new BinaryReader(stream);
var refCount = (int)(wmoReferencesChunk.Length / 4);
for (int i = 0; i < refCount; i++)
{
int index = reader.ReadInt32();
if (index < 0 || index >= _definitions.Count)
{
continue;
}
var wmo = _definitions[index];
if (_drawn.Contains(wmo.UniqueId))
{
continue;
}
_drawn.Add(wmo.UniqueId);
if (wmo.MwidIndex >= _paths.Count)
{
continue;
}
var path = _paths[(int)wmo.MwidIndex];
var model = Cache.WorldModel.Get(path);
if (model == null)
{
model = new WorldModelRoot(path);
Cache.WorldModel.Insert(path, model);
}
if (Vertices == null)
{
Vertices = new List <Vector3>(1000);
}
if (Triangles == null)
{
Triangles = new List <Triangle <uint> >(1000);
}
InsertModelGeometry(Vertices, Triangles, wmo, model);
}
}
public void TestDungeonWithWater()
{
//MpqManager.Initialize("S:\\World of Warcraft");
var wdt = new WDT("world\\maps\\orgrimmarinstance\\orgrimmarinstance.wdt");
Assert.IsTrue(wdt.IsValid && wdt.IsGlobalModel);
var file = wdt.ModelFile;
var model = new WorldModelRoot(file);
var verts = new System.Collections.Generic.List<Vector3>();
var tris = new System.Collections.Generic.List<Triangle<uint>>();
WorldModelHandler.InsertModelGeometry(verts, tris, wdt.ModelDefinition, model);
Assert.IsFalse(verts.Any(v => float.IsNaN(v.X) || float.IsNaN(v.Y) || float.IsNaN(v.Z)));
}
protected override void LoadContent()
{
var model = new WorldModelRoot(_path);
var verts = new List <Vector3>();
var tris = new List <Triangle <uint> >();
WorldModelHandler.InsertModelGeometry(verts, tris, _def, model);
SaveMeshToDisk(verts, tris);
meshDisplay.Game.Camera.Camera.Position = new Vector3(verts[0].Y, verts[0].Z, verts[0].X);
_drawer = new GeometryDrawer();
_drawer.Initialize(Game, Color.Red, verts, tris);
_effect = new BasicEffect(GraphicsDevice);
_depthState = new DepthStencilState {
DepthBufferEnable = true
};
}
public void TestGameWmo()
{
MpqManager.Initialize("S:\\WoW");
var root = new WorldModelRoot("world\\wmo\\Northrend\\Battleground\\ND_BG_Keep01.wmo");
}
public static void InsertModelGeometry(List <Vector3> vertices, List <Triangle <uint> > triangles, WorldModelDefinition def, WorldModelRoot root)
{
var transformation = Transformation.GetTransformation(def);
foreach (var group in root.Groups)
{
int vertOffset = vertices.Count;
vertices.AddRange(group.Vertices.Select(vert => Vector3.Transform(vert, transformation)));
for (int i = 0; i < group.Triangles.Length; i++)
{
// only include collidable tris
if ((group.TriangleFlags[i] & 0x04) != 0 && group.TriangleMaterials[i] != 0xFF)
{
continue;
}
var tri = group.Triangles[i];
triangles.Add(new Triangle <uint>(TriangleType.Wmo, (uint)(tri.V0 + vertOffset),
(uint)(tri.V1 + vertOffset),
(uint)(tri.V2 + vertOffset)));
}
}
if (def.DoodadSet >= 0 && def.DoodadSet < root.DoodadSets.Count)
{
var set = root.DoodadSets[def.DoodadSet];
var instances = new List <DoodadInstance>((int)set.CountInstances);
for (uint i = set.FirstInstanceIndex; i < (set.CountInstances + set.FirstInstanceIndex); i++)
{
if (i >= root.DoodadInstances.Count)
{
break;
}
instances.Add(root.DoodadInstances[(int)i]);
}
foreach (var instance in instances)
{
var model = Cache.Model.Get(instance.File);
if (model == null)
{
model = new Model(instance.File);
Cache.Model.Insert(instance.File, model);
}
if (!model.IsCollidable)
{
continue;
}
var doodadTransformation = Transformation.GetWmoDoodadTransformation(instance, def);
int vertOffset = vertices.Count;
vertices.AddRange(model.Vertices.Select(vert => Vector3.Transform(vert, doodadTransformation)));
foreach (var tri in model.Triangles)
{
triangles.Add(new Triangle <uint>(TriangleType.Wmo, (uint)(tri.V0 + vertOffset),
(uint)(tri.V1 + vertOffset), (uint)(tri.V2 + vertOffset)));
}
}
}
foreach (var group in root.Groups)
{
if (!group.HasLiquidData)
{
continue;
}
for (int y = 0; y < group.LiquidDataHeader.Height; y++)
{
for (int x = 0; x < group.LiquidDataHeader.Width; x++)
{
if (!group.LiquidDataGeometry.ShouldRender(x, y))
{
continue;
}
var vertOffset = (uint)vertices.Count;
vertices.Add(GetLiquidVert(transformation, group.LiquidDataHeader.BaseLocation,
group.LiquidDataGeometry.HeightMap[x, y], x, y));
vertices.Add(GetLiquidVert(transformation, group.LiquidDataHeader.BaseLocation,
group.LiquidDataGeometry.HeightMap[x + 1, y], x + 1, y));
vertices.Add(GetLiquidVert(transformation, group.LiquidDataHeader.BaseLocation,
group.LiquidDataGeometry.HeightMap[x, y + 1], x, y + 1));
vertices.Add(GetLiquidVert(transformation, group.LiquidDataHeader.BaseLocation,
group.LiquidDataGeometry.HeightMap[x + 1, y + 1], x + 1, y + 1));
triangles.Add(new Triangle <uint>(TriangleType.Water, vertOffset, vertOffset + 2, vertOffset + 1));
triangles.Add(new Triangle <uint>(TriangleType.Water, vertOffset + 2, vertOffset + 3,
vertOffset + 1));
}
}
}
}
public byte[] Build(BaseLog log)
{
var wdt = new WDT("World\\maps\\" + Dungeon + "\\" + Dungeon + ".wdt");
if (!wdt.IsGlobalModel || !wdt.IsValid)
{
return(null);
}
InitializeProgress(12);
Geometry = new Geometry {
Transform = true
};
var model = new WorldModelRoot(wdt.ModelFile);
Geometry.AddDungeon(model, wdt.ModelDefinition);
CompleteWorkUnit();
if (Geometry.Vertices.Count == 0 && Geometry.Triangles.Count == 0)
{
throw new InvalidOperationException("Can't build mesh with empty geometry");
}
Log = log;
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();
float[] bmin, bmax;
Geometry.CalculateBoundingBox(out bmin, out bmax);
Geometry.Vertices.Clear();
// Allocate voxel heightfield where we rasterize our input data to.
Heightfield hf;
int width, height;
Recast.CalcGridSize(bmin, bmax, Config.CellSize, out width, out height);
if (!Context.CreateHeightfield(out hf, width, height, bmin, bmax, Config.CellSize, Config.CellHeight))
{
throw new OutOfMemoryException("CreateHeightfield ran out of memory");
}
CompleteWorkUnit();
// Find triangles which are walkable based on their slope and rasterize them.
Context.ClearUnwalkableTriangles(Config.WalkableSlopeAngle, ref vertices, ref triangles, areas);
Context.RasterizeTriangles(ref vertices, ref triangles, ref areas, hf, Config.WalkableClimb);
CompleteWorkUnit();
// 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);
CompleteWorkUnit();
// 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");
}
CompleteWorkUnit();
hf.Delete();
// Erode the walkable area by agent radius.
if (!Context.ErodeWalkableArea(Config.WalkableRadius, chf))
{
throw new OutOfMemoryException("ErodeWalkableArea ran out of memory");
}
CompleteWorkUnit();
// Prepare for region partitioning, by calculating distance field along the walkable surface.
if (!Context.BuildDistanceField(chf))
{
throw new OutOfMemoryException("BuildDistanceField ran out of memory");
}
CompleteWorkUnit();
// Partition the walkable surface into simple regions without holes.
if (!Context.BuildRegions(chf, Config.BorderSize, Config.MinRegionArea, Config.MergeRegionArea))
{
throw new OutOfMemoryException("BuildRegions ran out of memory");
}
CompleteWorkUnit();
// Create contours.
ContourSet cset;
if (!Context.BuildContours(chf, Config.MaxSimplificationError, Config.MaxEdgeLength, out cset))
{
throw new OutOfMemoryException("BuildContours ran out of memory");
}
CompleteWorkUnit();
// Build polygon navmesh from the contours.
PolyMesh pmesh;
if (!Context.BuildPolyMesh(cset, Config.MaxVertsPerPoly, out pmesh))
{
throw new OutOfMemoryException("BuildPolyMesh ran out of memory");
}
CompleteWorkUnit();
// Build detail mesh.
PolyMeshDetail dmesh;
if (!Context.BuildPolyMeshDetail(pmesh, chf, Config.DetailSampleDistance, Config.DetailSampleMaxError, out dmesh))
{
throw new OutOfMemoryException("BuildPolyMeshDetail ran out of memory");
}
CompleteWorkUnit();
chf.Delete();
cset.Delete();
// Set flags according to area types (e.g. Swim for Water)
pmesh.MarkAll();
byte[] meshData;
if (!Detour.CreateNavMeshData(out meshData, pmesh, dmesh, 0, 0, bmin, bmax, Config.WorldWalkableHeight, Config.WorldWalkableRadius, Config.WorldWalkableClimb, Config.CellSize, Config.CellHeight, Config.TileWidth, null))
{
pmesh.Delete();
dmesh.Delete();
return(null);
}
CompleteWorkUnit();
pmesh.Delete();
dmesh.Delete();
return(meshData);
}
public static void InsertGameObjectModelGeometry(List <Vector3> vertices, List <Triangle <uint> > triangles, string m2path, Matrix transformation)
{
uint fileId;
uint.TryParse(m2path, out fileId);
bool isWMO = false;
if (fileId > 0)
{
// do something to try and get the good type.
var t = MpqManager.GetFileExtension((int)fileId);
//Console.WriteLine("fileId: " + fileId + ", fileExt: " + t);
var _stream = MpqManager.GetFile(fileId);
var binary = new BinaryReader(_stream);
var magic = binary.ReadBytes(4);
if (t != ".m2" && System.Text.Encoding.Default.GetString(magic) != "MD21" && System.Text.Encoding.Default.GetString(magic) != "MD20")
{
if (string.IsNullOrEmpty(t))
{
return;
}
if (String.Equals(t, ".wmo", StringComparison.CurrentCultureIgnoreCase))
{
isWMO = true;
}
else
{
return;
}
}
if (m2path.EndsWith(".WMO", StringComparison.InvariantCultureIgnoreCase) || isWMO)
{
var wmo = Cache.WorldModel.Get(m2path);
if (wmo == null)
{
try
{
wmo = new WorldModelRoot(m2path);
}
catch
{
}
Cache.WorldModel.Insert(m2path, wmo);
//System.Console.WriteLine(m2path);
foreach (var group in wmo.Groups)
{
if ((group.Flags & 0x80) != 0) // Here is a group of triangles that mess-up the WMO
{
continue;
}
int vertOffset = vertices.Count;
if (group.Triangles != null)
{
bool one = false;
for (int i = 0; i < group.Triangles.Length; i++)
{
// the commented code exclude "non-collidable triangles" so adding them anyway is not breaking a path
// it's just adding more bytes into the mesh, but...
// fact is removing them can remove "ground" in some big gameobject, creating holes in the meshes.
// so that's why it's now commented.
// // only include collidable triangles
//if ((group.TriangleFlags[i] & 0x04) == 0 && group.TriangleMaterials[i] != 0xFF)
//continue;
var tri = group.Triangles[i];
triangles.Add(new Triangle <uint>(TriangleType.Wmo, (uint)(tri.V0 + vertOffset),
(uint)(tri.V1 + vertOffset),
(uint)(tri.V2 + vertOffset)));
one = true;
}
if (one)
{
vertices.AddRange(group.Vertices.Select(vert => Vector3.TransformCoordinate(vert, transformation)));
}
}
}
}
}
else // .M2
{
var model = Cache.Model.Get(m2path);
if (model == null)
{
model = new Model(m2path);
Cache.Model.Insert(m2path, model);
}
//System.Console.WriteLine(m2path);
if (!model.IsCollidable)
{
return;
}
int vertOffset = vertices.Count;
vertices.AddRange(model.Vertices.Select(vert => Vector3.TransformCoordinate(vert, transformation)));
foreach (var tri in model.Triangles)
{
triangles.Add(new Triangle <uint>(TriangleType.Doodad, (uint)(tri.V0 + vertOffset),
(uint)(tri.V1 + vertOffset), (uint)(tri.V2 + vertOffset)));
}
}
}
}
