public bool Equals(WadMesh other) => Hash == other.Hash;
private static WadMesh LoadMesh(ChunkReader chunkIO, long chunkSize, Dictionary <long, WadTexture> textures)
{
var mesh = new WadMesh();
long obsoleteIndex = 0;
chunkIO.ReadChunks((id2, chunkSize2) =>
{
if (id2 == Wad2Chunks.MeshIndex)
{
obsoleteIndex = chunkIO.ReadChunkLong(chunkSize2);
}
else if (id2 == Wad2Chunks.MeshName)
{
mesh.Name = chunkIO.ReadChunkString(chunkSize2);
}
else if (id2 == Wad2Chunks.MeshSphere)
{
// Read bounding sphere
float radius = 0;
Vector3 center = Vector3.Zero;
chunkIO.ReadChunks((id3, chunkSize3) =>
{
if (id3 == Wad2Chunks.MeshSphereCenter)
{
center = chunkIO.ReadChunkVector3(chunkSize3);
}
else if (id3 == Wad2Chunks.MeshSphereRadius)
{
radius = chunkIO.ReadChunkFloat(chunkSize3);
}
else
{
return(false);
}
return(true);
});
mesh.BoundingSphere = new BoundingSphere(center, radius);
}
else if (id2 == Wad2Chunks.MeshBoundingBox)
{
// Read bounding box
Vector3 min = Vector3.Zero;
Vector3 max = Vector3.Zero;
chunkIO.ReadChunks((id3, chunkSize3) =>
{
if (id3 == Wad2Chunks.MeshBoundingBoxMin)
{
min = chunkIO.ReadChunkVector3(chunkSize3);
}
else if (id3 == Wad2Chunks.MeshBoundingBoxMax)
{
max = chunkIO.ReadChunkVector3(chunkSize3);
}
else
{
return(false);
}
return(true);
});
mesh.BoundingBox = new BoundingBox(min, max);
}
else if (id2 == Wad2Chunks.MeshVertexPositions)
{
chunkIO.ReadChunks((id3, chunkSize3) =>
{
if (id3 == Wad2Chunks.MeshVertexPosition)
{
mesh.VerticesPositions.Add(chunkIO.ReadChunkVector3(chunkSize3));
}
else
{
return(false);
}
return(true);
});
}
else if (id2 == Wad2Chunks.MeshVertexNormals)
{
chunkIO.ReadChunks((id3, chunkSize3) =>
{
if (id3 == Wad2Chunks.MeshVertexNormal)
{
mesh.VerticesNormals.Add(chunkIO.ReadChunkVector3(chunkSize3));
}
else
{
return(false);
}
return(true);
});
}
else if (id2 == Wad2Chunks.MeshVertexShades)
{
chunkIO.ReadChunks((id3, chunkSize3) =>
{
if (id3 == Wad2Chunks.MeshVertexShade)
{
mesh.VerticesShades.Add(chunkIO.ReadChunkShort(chunkSize3));
}
else
{
return(false);
}
return(true);
});
}
else if (id2 == Wad2Chunks.MeshPolygons)
{
chunkIO.ReadChunks((id3, chunkSize3) =>
{
if (id3 == Wad2Chunks.MeshQuad ||
id3 == Wad2Chunks.MeshTriangle)
{
var polygon = new WadPolygon();
polygon.Shape = id3 == Wad2Chunks.MeshQuad ? WadPolygonShape.Quad : WadPolygonShape.Triangle;
polygon.Index0 = LEB128.ReadInt(chunkIO.Raw);
polygon.Index1 = LEB128.ReadInt(chunkIO.Raw);
polygon.Index2 = LEB128.ReadInt(chunkIO.Raw);
if (id3 == Wad2Chunks.MeshQuad)
{
polygon.Index3 = LEB128.ReadInt(chunkIO.Raw);
}
polygon.ShineStrength = LEB128.ReadByte(chunkIO.Raw);
TextureArea textureArea = new TextureArea();
textureArea.Texture = textures[LEB128.ReadInt(chunkIO.Raw)];
textureArea.TexCoord0 = chunkIO.Raw.ReadVector2();
textureArea.TexCoord1 = chunkIO.Raw.ReadVector2();
textureArea.TexCoord2 = chunkIO.Raw.ReadVector2();
if (id3 == Wad2Chunks.MeshQuad)
{
textureArea.TexCoord3 = chunkIO.Raw.ReadVector2();
}
else
{
textureArea.TexCoord3 = textureArea.TexCoord2;
}
textureArea.BlendMode = (BlendMode)LEB128.ReadLong(chunkIO.Raw);
textureArea.DoubleSided = chunkIO.Raw.ReadBoolean();
polygon.Texture = textureArea;
chunkIO.ReadChunks((id4, chunkSize4) =>
{
return(false);
});
mesh.Polys.Add(polygon);
}
else
{
return(false);
}
return(true);
});
}
else
{
return(false);
}
return(true);
});
return(mesh);
}
public static List <WadMesh> ImportFromExternalModel(string fileName, IOGeometrySettings settings, bool mergeIntoOne)
{
IOModel tmpModel = null;
var meshList = new List <WadMesh>();
bool calculateNormals = false;
// Import the model
try
{
var importer = BaseGeometryImporter.CreateForFile(fileName, settings, absoluteTexturePath =>
{
return(new WadTexture(ImageC.FromFile(absoluteTexturePath)));
});
tmpModel = importer.ImportFromFile(fileName);
calculateNormals = importer is MetasequoiaImporter;
}
catch (Exception ex)
{
logger.Error(ex, "Geometry import failed!");
return(null);
}
// Create a new mesh (all meshes from model will be joined)
WadMesh mesh = null;
var lastBaseVertex = 0;
for (int i = 0; i < tmpModel.Meshes.Count; i++)
{
var tmpMesh = tmpModel.Meshes[i];
if (mesh == null || !mergeIntoOne)
{
mesh = new WadMesh();
mesh.Name = string.IsNullOrEmpty(tmpMesh.Name) ? "ImportedMesh" + i : tmpMesh.Name;
if (mergeIntoOne)
{
lastBaseVertex = 0; // Reset if we're doing multi-mesh import
}
}
mesh.VerticesPositions.AddRange(tmpMesh.Positions);
// Copy normals as well, if they are consistent
if (tmpMesh.Normals.Count == tmpMesh.Positions.Count)
{
mesh.VerticesNormals.AddRange(tmpMesh.Normals);
}
// FIXME: Why do we keep white intensity shades for wad2 meshes internally, and not vertex colors?
if (tmpMesh.Colors.Count == tmpMesh.Positions.Count)
{
mesh.VerticesShades.AddRange(tmpMesh.Colors.Select(v => (short)(8191.0f - (v.To3().GetLuma() * 8191.0f))));
}
foreach (var tmpSubmesh in tmpMesh.Submeshes)
{
foreach (var tmpPoly in tmpSubmesh.Value.Polygons)
{
if (tmpPoly.Shape == IOPolygonShape.Quad)
{
var poly = new WadPolygon {
Shape = WadPolygonShape.Quad
};
poly.Index0 = tmpPoly.Indices[0] + lastBaseVertex;
poly.Index1 = tmpPoly.Indices[1] + lastBaseVertex;
poly.Index2 = tmpPoly.Indices[2] + lastBaseVertex;
poly.Index3 = tmpPoly.Indices[3] + lastBaseVertex;
var area = new TextureArea();
area.TexCoord0 = tmpMesh.UV[tmpPoly.Indices[0]];
area.TexCoord1 = tmpMesh.UV[tmpPoly.Indices[1]];
area.TexCoord2 = tmpMesh.UV[tmpPoly.Indices[2]];
area.TexCoord3 = tmpMesh.UV[tmpPoly.Indices[3]];
area.Texture = tmpSubmesh.Value.Material.Texture;
area.DoubleSided = tmpSubmesh.Value.Material.DoubleSided;
poly.Texture = area;
poly.ShineStrength = (byte)Math.Round(tmpSubmesh.Value.Material.Shininess / 16.0f, MidpointRounding.ToEven);
mesh.Polys.Add(poly);
}
else
{
var poly = new WadPolygon {
Shape = WadPolygonShape.Triangle
};
poly.Index0 = tmpPoly.Indices[0] + lastBaseVertex;
poly.Index1 = tmpPoly.Indices[1] + lastBaseVertex;
poly.Index2 = tmpPoly.Indices[2] + lastBaseVertex;
var area = new TextureArea();
area.TexCoord0 = tmpMesh.UV[tmpPoly.Indices[0]];
area.TexCoord1 = tmpMesh.UV[tmpPoly.Indices[1]];
area.TexCoord2 = tmpMesh.UV[tmpPoly.Indices[2]];
area.TexCoord3 = area.TexCoord2;
area.Texture = tmpSubmesh.Value.Material.Texture;
area.DoubleSided = tmpSubmesh.Value.Material.DoubleSided;
poly.Texture = area;
poly.ShineStrength = (byte)Math.Round(tmpSubmesh.Value.Material.Shininess / 16.0f, MidpointRounding.ToEven);
mesh.Polys.Add(poly);
}
}
}
if (!mergeIntoOne || i == tmpModel.Meshes.Count - 1)
{
mesh.BoundingBox = mesh.CalculateBoundingBox();
mesh.BoundingSphere = mesh.CalculateBoundingSphere();
if (mesh.VerticesNormals.Count == 0 || calculateNormals)
{
mesh.CalculateNormals(); // MQO files rarely have normals
}
if (mesh.VerticesPositions.Count != mesh.VerticesShades.Count)
{
mesh.VerticesShades.Clear(); // Reset vertex shades in case they got desynced from vertex count
}
lastBaseVertex = 0;
meshList.Add(mesh);
}
else
{
lastBaseVertex = mesh.VerticesPositions.Count;
}
}
return(meshList);
}
public static void WriteMesh(ChunkWriter chunkIO, WadMesh mesh, List <WadTexture> textureTable)
{
chunkIO.WriteChunkWithChildren(Wad2Chunks.Mesh, () =>
{
chunkIO.WriteChunkInt(Wad2Chunks.MeshIndex, 0);
chunkIO.WriteChunkString(Wad2Chunks.MeshName, mesh.Name);
// Write bounding sphere
chunkIO.WriteChunkWithChildren(Wad2Chunks.MeshSphere, () =>
{
chunkIO.WriteChunkVector3(Wad2Chunks.MeshSphereCenter, mesh.BoundingSphere.Center);
chunkIO.WriteChunkFloat(Wad2Chunks.MeshSphereRadius, mesh.BoundingSphere.Radius);
});
// Write bounding box
chunkIO.WriteChunkWithChildren(Wad2Chunks.MeshBoundingBox, () =>
{
chunkIO.WriteChunkVector3(Wad2Chunks.MeshBoundingBoxMin, mesh.BoundingBox.Minimum);
chunkIO.WriteChunkVector3(Wad2Chunks.MeshBoundingBoxMax, mesh.BoundingBox.Maximum);
});
// Write positions
chunkIO.WriteChunkWithChildren(Wad2Chunks.MeshVertexPositions, () =>
{
foreach (var pos in mesh.VerticesPositions)
{
chunkIO.WriteChunkVector3(Wad2Chunks.MeshVertexPosition, pos);
}
});
// Write normals
chunkIO.WriteChunkWithChildren(Wad2Chunks.MeshVertexNormals, () =>
{
foreach (var normal in mesh.VerticesNormals)
{
chunkIO.WriteChunkVector3(Wad2Chunks.MeshVertexNormal, normal);
}
});
// Write shades
chunkIO.WriteChunkWithChildren(Wad2Chunks.MeshVertexShades, () =>
{
foreach (var shade in mesh.VerticesShades)
{
chunkIO.WriteChunkInt(Wad2Chunks.MeshVertexShade, shade);
}
});
// Write polygons
chunkIO.WriteChunkWithChildren(Wad2Chunks.MeshPolygons, () =>
{
foreach (var poly in mesh.Polys)
{
bool isQuad = poly.Shape == WadPolygonShape.Quad;
chunkIO.WriteChunkWithChildren(isQuad ? Wad2Chunks.MeshQuad : Wad2Chunks.MeshTriangle, () =>
{
LEB128.Write(chunkIO.Raw, poly.Index0);
LEB128.Write(chunkIO.Raw, poly.Index1);
LEB128.Write(chunkIO.Raw, poly.Index2);
if (isQuad)
{
LEB128.Write(chunkIO.Raw, poly.Index3);
}
LEB128.Write(chunkIO.Raw, poly.ShineStrength);
LEB128.Write(chunkIO.Raw, textureTable.IndexOf(poly.Texture.Texture as WadTexture));
chunkIO.Raw.Write(poly.Texture.TexCoord0);
chunkIO.Raw.Write(poly.Texture.TexCoord1);
chunkIO.Raw.Write(poly.Texture.TexCoord2);
if (isQuad)
{
chunkIO.Raw.Write(poly.Texture.TexCoord3);
}
LEB128.Write(chunkIO.Raw, (long)poly.Texture.BlendMode);
chunkIO.Raw.Write(poly.Texture.DoubleSided);
});
}
});
});
}
