public static RWSection[] CreateBSPFromAssimp(string fileName, bool flipUVs, bool ignoreMeshColors)
{
PostProcessSteps pps =
PostProcessSteps.Debone | PostProcessSteps.FindInstances |
PostProcessSteps.FindInvalidData | PostProcessSteps.OptimizeGraph |
PostProcessSteps.OptimizeMeshes | PostProcessSteps.Triangulate |
PostProcessSteps.PreTransformVertices;
Scene scene = new AssimpContext().ImportFile(fileName, pps);
int vertexCount = scene.Meshes.Sum(m => m.VertexCount);
int triangleCount = scene.Meshes.Sum(m => m.FaceCount);
if (vertexCount > 65535 || triangleCount > 65536)
{
throw new ArgumentException("Model has too many vertices or triangles. Please import a simpler model.");
}
List <Vertex3> vertices = new List <Vertex3>(vertexCount);
List <RenderWareFile.Color> vColors = new List <RenderWareFile.Color>(vertexCount);
List <Vertex2> textCoords = new List <Vertex2>(vertexCount);
List <RenderWareFile.Triangle> triangles = new List <RenderWareFile.Triangle>(triangleCount);
int totalVertices = 0;
foreach (var m in scene.Meshes)
{
foreach (Vector3D v in m.Vertices)
{
vertices.Add(new Vertex3(v.X, v.Y, v.Z));
}
if (m.HasTextureCoords(0))
{
foreach (Vector3D v in m.TextureCoordinateChannels[0])
{
textCoords.Add(new Vertex2(v.X, flipUVs ? -v.Y : v.Y));
}
}
else
{
for (int i = 0; i < m.VertexCount; i++)
{
textCoords.Add(new Vertex2());
}
}
if (m.HasVertexColors(0))
{
foreach (Color4D c in m.VertexColorChannels[0])
{
vColors.Add(new RenderWareFile.Color(
(byte)(c.R * 255),
(byte)(c.G * 255),
(byte)(c.B * 255),
(byte)(c.A * 255)));
}
}
else
{
for (int i = 0; i < m.VertexCount; i++)
{
vColors.Add(new RenderWareFile.Color(255, 255, 255, 255));
}
}
foreach (var t in m.Faces)
{
triangles.Add(new RenderWareFile.Triangle()
{
vertex1 = (ushort)(t.Indices[0] + totalVertices),
vertex2 = (ushort)(t.Indices[1] + totalVertices),
vertex3 = (ushort)(t.Indices[2] + totalVertices),
materialIndex = (ushort)m.MaterialIndex
});
}
totalVertices += m.VertexCount;
}
if (vertices.Count != textCoords.Count || vertices.Count != vColors.Count)
{
throw new ArgumentException("Internal error: texture coordinate or vertex color count is different from vertex count.");
}
triangles = triangles.OrderBy(t => t.materialIndex).ToList();
Vertex3 Max = new Vertex3(vertices[0].X, vertices[0].Y, vertices[0].Z);
Vertex3 Min = new Vertex3(vertices[0].X, vertices[0].Y, vertices[0].Z);
foreach (Vertex3 i in vertices)
{
if (i.X > Max.X)
{
Max.X = i.X;
}
if (i.Y > Max.Y)
{
Max.Y = i.Y;
}
if (i.Z > Max.Z)
{
Max.Z = i.Z;
}
if (i.X < Min.X)
{
Min.X = i.X;
}
if (i.Y < Min.Y)
{
Min.Y = i.Y;
}
if (i.Z < Min.Z)
{
Min.Z = i.Z;
}
}
Max = new Vertex3(MaximumBoundary, MaximumBoundary, MaximumBoundary);
Min = new Vertex3(-MaximumBoundary, -MaximumBoundary, -MaximumBoundary);
BinMesh[] binMeshes = new BinMesh[scene.MaterialCount];
Material_0007[] materials = new Material_0007[scene.MaterialCount];
for (int i = 0; i < scene.MaterialCount; i++)
{
List <int> indices = new List <int>(triangles.Count);
foreach (RenderWareFile.Triangle f in triangles)
{
if (f.materialIndex == i)
{
indices.Add(f.vertex1);
indices.Add(f.vertex2);
indices.Add(f.vertex3);
}
}
binMeshes[i] = new BinMesh()
{
materialIndex = i,
indexCount = indices.Count(),
vertexIndices = indices.ToArray()
};
materials[i] = new Material_0007()
{
materialStruct = new MaterialStruct_0001()
{
unusedFlags = 0,
color = ignoreMeshColors ?
new RenderWareFile.Color(255, 255, 255, 255) :
new RenderWareFile.Color(
(byte)(scene.Materials[i].ColorDiffuse.R / 255),
(byte)(scene.Materials[i].ColorDiffuse.G / 255),
(byte)(scene.Materials[i].ColorDiffuse.B / 255),
(byte)(scene.Materials[i].ColorDiffuse.A / 255)),
unusedInt2 = 0x2DF53E84,
isTextured = scene.Materials[i].HasTextureDiffuse ? 1 : 0,
ambient = ignoreMeshColors ? 1f : scene.Materials[i].ColorAmbient.A,
specular = ignoreMeshColors ? 1f : scene.Materials[i].ColorSpecular.A,
diffuse = ignoreMeshColors ? 1f : scene.Materials[i].ColorDiffuse.A
},
texture = scene.Materials[i].HasTextureDiffuse ? RWTextureFromAssimpMaterial(scene.Materials[i].TextureDiffuse) : null,
materialExtension = new Extension_0003()
{
extensionSectionList = new List <RWSection>()
},
};
}
WorldFlags worldFlags = WorldFlags.HasOneSetOfTextCoords | WorldFlags.HasVertexColors | WorldFlags.WorldSectorsOverlap | (WorldFlags)0x00010000;
World_000B world = new World_000B()
{
worldStruct = new WorldStruct_0001()
{
rootIsWorldSector = 1,
inverseOrigin = new Vertex3(-0f, -0f, -0f),
numTriangles = (uint)triangleCount,
numVertices = (uint)vertexCount,
numPlaneSectors = 0,
numAtomicSectors = 1,
colSectorSize = 0,
worldFlags = worldFlags,
boxMaximum = Max,
boxMinimum = Min,
},
materialList = new MaterialList_0008()
{
materialListStruct = new MaterialListStruct_0001()
{
materialCount = scene.MaterialCount
},
materialList = materials
},
firstWorldChunk = new AtomicSector_0009()
{
atomicSectorStruct = new AtomicSectorStruct_0001()
{
matListWindowBase = 0,
numTriangles = triangleCount,
numVertices = vertexCount,
boxMaximum = Max,
boxMinimum = Min,
collSectorPresent = 0x2F50D984,
unused = 0,
vertexArray = vertices.ToArray(),
colorArray = vColors.ToArray(),
uvArray = textCoords.ToArray(),
triangleArray = triangles.ToArray()
},
atomicSectorExtension = new Extension_0003()
{
extensionSectionList = new List <RWSection>()
{
new BinMeshPLG_050E()
{
binMeshHeaderFlags = BinMeshHeaderFlags.TriangleList,
numMeshes = binMeshes.Count(),
totalIndexCount = binMeshes.Sum(b => b.indexCount),
binMeshList = binMeshes
},
new CollisionPLG_011D_Scooby()
{
splits = new Split_Scooby[0],
startIndex_amountOfTriangles = new short[][] { new short[] { 0, (short)triangles.Count } },
triangles = TriangleRange(triangles.Count)
}
}
}
},
worldExtension = new Extension_0003()
};
return(new RWSection[] { world });
}
public static RWSection[] CreateBSPFromAssimp(string fileName, bool flipUVs)
{
PostProcessSteps pps =
PostProcessSteps.Debone | PostProcessSteps.FindInstances |
PostProcessSteps.FindInvalidData | PostProcessSteps.OptimizeGraph |
PostProcessSteps.OptimizeMeshes | PostProcessSteps.Triangulate |
PostProcessSteps.PreTransformVertices;
Scene scene = new AssimpContext().ImportFile(fileName, pps);
int vertexCount = scene.Meshes.Sum(m => m.VertexCount);
int triangleCount = scene.Meshes.Sum(m => m.FaceCount);
if (vertexCount > 65535 || triangleCount > 65536)
{
throw new ArgumentException("Model has too many vertices or triangles. Please import a simpler model.");
}
List <Vertex3> vertices = new List <Vertex3>(vertexCount);
List <RenderWareFile.Color> vColors = new List <RenderWareFile.Color>(vertexCount);
List <Vertex2> textCoords = new List <Vertex2>(vertexCount);
List <RenderWareFile.Triangle> triangles = new List <RenderWareFile.Triangle>(triangleCount);
int totalVertices = 0;
foreach (var m in scene.Meshes)
{
foreach (Vector3D v in m.Vertices)
{
vertices.Add(new Vertex3(v.X, v.Y, v.Z));
}
if (m.HasTextureCoords(0))
{
foreach (Vector3D v in m.TextureCoordinateChannels[0])
{
textCoords.Add(new Vertex2(v.X, flipUVs ? -v.Y : v.Y));
}
}
else
{
for (int i = 0; i < m.VertexCount; i++)
{
textCoords.Add(new Vertex2());
}
}
if (m.HasVertexColors(0))
{
foreach (Color4D c in m.VertexColorChannels[0])
{
vColors.Add(new RenderWareFile.Color(
(byte)(c.R * 255),
(byte)(c.G * 255),
(byte)(c.B * 255),
(byte)(c.A * 255)));
}
}
else
{
for (int i = 0; i < m.VertexCount; i++)
{
vColors.Add(new RenderWareFile.Color(255, 255, 255, 255));
}
}
foreach (var t in m.Faces)
{
triangles.Add(new RenderWareFile.Triangle()
{
vertex1 = (ushort)(t.Indices[0] + totalVertices),
vertex2 = (ushort)(t.Indices[1] + totalVertices),
vertex3 = (ushort)(t.Indices[2] + totalVertices),
materialIndex = (ushort)m.MaterialIndex
});
}
totalVertices += m.VertexCount;
}
if (vertices.Count != textCoords.Count || vertices.Count != vColors.Count)
{
throw new ArgumentException("Internal error: texture coordinate or vertex color count is different from vertex count.");
}
triangles = triangles.OrderBy(t => t.materialIndex).ToList();
Vertex3 Max = new Vertex3(vertices[0].X, vertices[0].Y, vertices[0].Z);
Vertex3 Min = new Vertex3(vertices[0].X, vertices[0].Y, vertices[0].Z);
foreach (Vertex3 i in vertices)
{
if (i.X > Max.X)
{
Max.X = i.X;
}
if (i.Y > Max.Y)
{
Max.Y = i.Y;
}
if (i.Z > Max.Z)
{
Max.Z = i.Z;
}
if (i.X < Min.X)
{
Min.X = i.X;
}
if (i.Y < Min.Y)
{
Min.Y = i.Y;
}
if (i.Z < Min.Z)
{
Min.Z = i.Z;
}
}
BinMesh[] binMeshes = new BinMesh[scene.MaterialCount];
Material_0007[] materials = new Material_0007[scene.MaterialCount];
for (int i = 0; i < scene.MaterialCount; i++)
{
List <int> indices = new List <int>(triangles.Count);
foreach (RenderWareFile.Triangle f in triangles)
{
if (f.materialIndex == i)
{
indices.Add(f.vertex1);
indices.Add(f.vertex2);
indices.Add(f.vertex3);
}
}
binMeshes[i] = new BinMesh()
{
materialIndex = i,
indexCount = indices.Count(),
vertexIndices = indices.ToArray()
};
materials[i] = new Material_0007()
{
materialStruct = new MaterialStruct_0001()
{
unusedFlags = 0,
color = new RenderWareFile.Color(
(byte)(scene.Materials[i].ColorDiffuse.R / 255),
(byte)(scene.Materials[i].ColorDiffuse.G / 255),
(byte)(scene.Materials[i].ColorDiffuse.B / 255),
(byte)(scene.Materials[i].ColorDiffuse.A / 255)),
unusedInt2 = 0x2DF53E84,
isTextured = scene.Materials[i].HasTextureDiffuse ? 1 : 0,
ambient = 1f,
specular = 1f,
diffuse = 1f
},
texture = scene.Materials[i].HasTextureDiffuse ? new Texture_0006()
{
textureStruct = new TextureStruct_0001() // use wrap as default
{
filterMode = TextureFilterMode.FILTERLINEAR,
addressModeU =
scene.Materials[i].TextureDiffuse.WrapModeU == TextureWrapMode.Clamp ? TextureAddressMode.TEXTUREADDRESSCLAMP :
scene.Materials[i].TextureDiffuse.WrapModeU == TextureWrapMode.Decal ? TextureAddressMode.TEXTUREADDRESSBORDER :
scene.Materials[i].TextureDiffuse.WrapModeU == TextureWrapMode.Mirror ? TextureAddressMode.TEXTUREADDRESSMIRROR :
TextureAddressMode.TEXTUREADDRESSWRAP,
addressModeV =
scene.Materials[i].TextureDiffuse.WrapModeV == TextureWrapMode.Clamp ? TextureAddressMode.TEXTUREADDRESSCLAMP :
scene.Materials[i].TextureDiffuse.WrapModeV == TextureWrapMode.Decal ? TextureAddressMode.TEXTUREADDRESSBORDER :
scene.Materials[i].TextureDiffuse.WrapModeV == TextureWrapMode.Mirror ? TextureAddressMode.TEXTUREADDRESSMIRROR :
TextureAddressMode.TEXTUREADDRESSWRAP,
useMipLevels = 1
},
diffuseTextureName = new String_0002()
{
stringString = Path.GetFileNameWithoutExtension(scene.Materials[i].TextureDiffuse.FilePath)
},
alphaTextureName = new String_0002()
{
stringString = ""
},
textureExtension = new Extension_0003()
} : null,
materialExtension = new Extension_0003(),
};
}
WorldFlags worldFlags = WorldFlags.HasOneSetOfTextCoords | WorldFlags.HasVertexColors | WorldFlags.WorldSectorsOverlap | (WorldFlags)0x00010000;
World_000B world = new World_000B()
{
worldStruct = new WorldStruct_0001()
{
rootIsWorldSector = 1,
inverseOrigin = new Vertex3(-0f, -0f, -0f),
numTriangles = (uint)triangleCount,
numVertices = (uint)vertexCount,
numPlaneSectors = 0,
numAtomicSectors = 1,
colSectorSize = 0,
worldFlags = worldFlags,
boxMaximum = Max,
boxMinimum = Min,
},
materialList = new MaterialList_0008()
{
materialListStruct = new MaterialListStruct_0001()
{
materialCount = scene.MaterialCount
},
materialList = materials
},
firstWorldChunk = new AtomicSector_0009()
{
atomicSectorStruct = new AtomicSectorStruct_0001()
{
matListWindowBase = 0,
numTriangles = triangleCount,
numVertices = vertexCount,
boxMaximum = Max,
boxMinimum = Min,
collSectorPresent = 0x2F50D984,
unused = 0,
vertexArray = vertices.ToArray(),
colorArray = vColors.ToArray(),
uvArray = textCoords.ToArray(),
triangleArray = triangles.ToArray()
},
atomicSectorExtension = new Extension_0003()
{
extensionSectionList = new List <RWSection>()
{
new BinMeshPLG_050E()
{
binMeshHeaderFlags = BinMeshHeaderFlags.TriangleList,
numMeshes = binMeshes.Count(),
totalIndexCount = binMeshes.Sum(b => b.indexCount),
binMeshList = binMeshes
}
}
}
},
worldExtension = new Extension_0003()
};
return(new RWSection[] { world });
}