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Model_3DS.cs
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Model_3DS.cs
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// Code ported from P.P.A.Narayanan c++ 3ds loader
// http://www.gamedev.net/reference/articles/article1259.asp
using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Windows.Forms;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Runtime.InteropServices;
namespace KimeraCS
{
using static FF7PModel;
using static Utils;
class Model_3DS
{
public struct Rgb3DS
{
public byte red;
public byte green;
public byte blue;
}
public struct Vert3DS
{
public float x;
public float z; // z and y are swapped
public float y;
}
public struct Texcoord3DS
{
public float u;
public float v;
}
public struct Face3DS
{
public ushort vertA;
public ushort vertB;
public ushort vertC;
public ushort flags; // From lib3ds (http://www.koders.com/cpp/fid8EDB781A3412B5309868BD6B71F9A9FE01469EDD.aspx?s=bump+map)
// Bit 0: Edge visibility AC
// Bit 1: Edge visibility BC
// Bit 2: Edge visibility AB
// Bit 3: Face is at tex U wrap seam
// Bit 4: Face is at tex V wrap seam
// Bit 5-8: Unused ?
// Bit 9-10: Random ?
// Bit 11-12: Unused ?
// Bit 13: Selection of the face in selection 3
// Bit 14: Selection of the face in selection 2
// Bit 15: Selection of the face in selection 1
}
public struct Map_list_node
{
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 256)]
public byte[] textureFileName; // Mapping filename (Texture)
public float u; // U scale
public float v; // V scale
public float uOff; // U offset
public float vOff; // V offset
public float rotation; // Rotation angle
}
public struct Mat_list_node
{
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 200)]
public byte[] materialName; // Material name
public Rgb3DS ambient; // Ambient color
public Rgb3DS diffuse; // Diffuse color
public Rgb3DS specular; // Specular color
public Map_list_node[] textureMapsV; // Texture maps
}
public struct Face_mat_node
{
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 200)]
public byte[] materialName; // Material name
public ushort numEntries; // Num. of entries
public ushort[] facesV; // Faces assigned to this material
}
public struct Mesh_object_node
{
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 200)]
public byte[] meshName; // Object name
public Vert3DS[] vertsV; // Vertex list
public Face3DS[] facesV; // Face list
public ushort numVerts; // Num of vertices
public ushort numFaces; // Num of faces
public ushort numMappedVerts; // Num of vertices having mapping coords.
public Texcoord3DS[] texCoordsV; // Mapping coords. as U,V pairs (actual texture coordinates)
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 11)]
public float[] localTransformationMatrix; // Local transformation matrix (last row is allways 0 0 0 1)
public Face_mat_node[] faceMaterialsV;
public ushort[] faceMaterialIndicesV; // Index of material for every face
}
public struct Model3DS
{
//public string modelName;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 12)]
//public float[] translationMatrix; // Translation matrix for objects (last row is allways 0 0 0 1)
public Mesh_object_node[] meshesV;
public Mat_list_node[] materialsV;
}
public static void ReadMaterial3DS(BinaryReader memReader,
ref int offset, int fileLength, int length,
ref Mat_list_node[] materialsV)
{
int iVColorIdx, iCount, iLlen, iMatIndex, iMapIndex;
ushort usID;
bool bDoneQ, bIsAmbientQ, bIsDiffuseQ; //, bIsSpecularQ;
bIsAmbientQ = false;
bIsDiffuseQ = false;
//isSpecularQ = false;
bDoneQ = false;
iCount = offset + length - 6;
if (materialsV != null)
{
iMatIndex = materialsV.Length;
Array.Resize(ref materialsV, materialsV.Length + 1);
materialsV[iMatIndex] = new Mat_list_node();
}
else
{
materialsV = new Mat_list_node[1];
iMatIndex = 0;
}
do
{
memReader.BaseStream.Position = offset;
usID = memReader.ReadUInt16();
offset += 2;
if (offset >= fileLength) break;
memReader.BaseStream.Position = offset;
iLlen = memReader.ReadInt32();
offset += 4;
switch(usID)
{
case 0xA000:
// Read material name
iVColorIdx = 0;
materialsV[iMatIndex].materialName = new byte[200];
do
{
memReader.BaseStream.Position = offset;
materialsV[iMatIndex].materialName[iVColorIdx] = memReader.ReadByte();
offset++;
iVColorIdx++;
} while (materialsV[iMatIndex].materialName[iVColorIdx - 1] != 0);
break;
case 0xA010:
// Hey! AMBIENT
bIsDiffuseQ = false;
//isSpecularQ = false;
bIsAmbientQ = true;
materialsV[iMatIndex].ambient.red = 0;
materialsV[iMatIndex].ambient.green = 0;
materialsV[iMatIndex].ambient.blue = 0;
break;
case 0xA020:
// Hey! DIFFUSE
bIsDiffuseQ = true;
//isSpecularQ = false;
bIsAmbientQ = false;
materialsV[iMatIndex].diffuse.red = 0;
materialsV[iMatIndex].diffuse.green = 0;
materialsV[iMatIndex].diffuse.blue = 0;
break;
case 0xA030:
// Hey! SPECULAR
bIsDiffuseQ = false;
//isSpecularQ = true;
bIsAmbientQ = false;
materialsV[iMatIndex].specular.red = 0;
materialsV[iMatIndex].specular.green = 0;
materialsV[iMatIndex].specular.blue = 0;
break;
case 0xA200:
// Texture
if (materialsV[iMatIndex].textureMapsV != null)
{
iMapIndex = materialsV[iMatIndex].textureMapsV.Length + 1;
Array.Resize(ref materialsV[iMatIndex].textureMapsV, iMapIndex);
materialsV[iMatIndex].textureMapsV[iMapIndex] = new Map_list_node();
}
else
{
materialsV[iMatIndex].textureMapsV = new Map_list_node[1];
iMapIndex = 0;
}
materialsV[iMatIndex].textureMapsV[iMapIndex].u = 0;
materialsV[iMatIndex].textureMapsV[iMapIndex].v = 0;
materialsV[iMatIndex].textureMapsV[iMapIndex].uOff = 0;
materialsV[iMatIndex].textureMapsV[iMapIndex].vOff = 0;
materialsV[iMatIndex].textureMapsV[iMapIndex].rotation = 0;
break;
case 0xA300:
// Texture name (filename without path)
iMapIndex = materialsV[iMatIndex].textureMapsV.Length - 1;
iVColorIdx = 0;
materialsV[iMatIndex].textureMapsV[iMapIndex].textureFileName = new byte[256];
do
{
memReader.BaseStream.Position = offset;
materialsV[iMatIndex].textureMapsV[iMapIndex].textureFileName[iVColorIdx] =
memReader.ReadByte();
offset++;
iVColorIdx++;
} while (materialsV[iMatIndex].textureMapsV[iMapIndex].
textureFileName[iVColorIdx - 1] != 0);
break;
case 0xA354:
// V coords
iMapIndex = materialsV[iMatIndex].textureMapsV.Length;
memReader.BaseStream.Position = offset;
materialsV[iMatIndex].textureMapsV[iMapIndex].v = memReader.ReadSingle();
offset += 4;
break;
case 0xA356:
// U coords
iMapIndex = materialsV[iMatIndex].textureMapsV.Length;
memReader.BaseStream.Position = offset;
materialsV[iMatIndex].textureMapsV[iMapIndex].u = memReader.ReadSingle();
offset += 4;
break;
case 0xA358:
// U offset
iMapIndex = materialsV[iMatIndex].textureMapsV.Length;
memReader.BaseStream.Position = offset;
materialsV[iMatIndex].textureMapsV[iMapIndex].uOff = memReader.ReadSingle();
offset += 4;
break;
case 0xA35A:
// V offset
iMapIndex = materialsV[iMatIndex].textureMapsV.Length;
memReader.BaseStream.Position = offset;
materialsV[iMatIndex].textureMapsV[iMapIndex].vOff = memReader.ReadSingle();
offset += 4;
break;
case 0xA35C:
// Texture rotation angle
iMapIndex = materialsV[iMatIndex].textureMapsV.Length;
memReader.BaseStream.Position = offset;
materialsV[iMatIndex].textureMapsV[iMapIndex].rotation = memReader.ReadSingle();
offset += 4;
break;
case 0x11:
// Read colors
if (bIsDiffuseQ)
{
materialsV[iMatIndex].diffuse.red = memReader.ReadByte();
materialsV[iMatIndex].diffuse.green = memReader.ReadByte();
materialsV[iMatIndex].diffuse.blue = memReader.ReadByte();
}
else if (bIsAmbientQ)
{
materialsV[iMatIndex].ambient.red = memReader.ReadByte();
materialsV[iMatIndex].ambient.green = memReader.ReadByte();
materialsV[iMatIndex].ambient.blue = memReader.ReadByte();
}
else
{
materialsV[iMatIndex].specular.red = memReader.ReadByte();
materialsV[iMatIndex].specular.green = memReader.ReadByte();
materialsV[iMatIndex].specular.blue = memReader.ReadByte();
}
offset += 3;
break;
default:
// Unknown chunk
if (offset - 6 >= iCount)
{
offset -= 6;
bDoneQ = true;
}
else
{
offset = offset + iLlen - 6;
bDoneQ = offset >= fileLength;
}
break;
}
} while(!bDoneQ);
}
public static void ReadMesh3DS(BinaryReader memReader, ref int offset, int fileLength, int length, ref Mesh_object_node[] meshesV)
{
int iVColorIdx, iCount, iLlen, iVertIdx, iPolyIdx;
int iMatCounter, iTexCoordIdx, iLocalTransMatrxIdx, iMatIndex, iMeshIndex;
ushort usID;
bool bDoneQ;
Mesh_object_node tmpMesh;
//string test_str;
iCount = offset + length - 6;
bDoneQ = false;
iVColorIdx = 0;
tmpMesh = new Mesh_object_node()
{
numVerts = 0,
faceMaterialsV = null,
localTransformationMatrix = new float[12],
meshName = new byte[200],
};
do
{
memReader.BaseStream.Position = offset;
tmpMesh.meshName[iVColorIdx] = memReader.ReadByte();
offset++;
iVColorIdx++;
} while (tmpMesh.meshName[iVColorIdx - 1] != 0);
do
{
memReader.BaseStream.Position = offset;
usID = memReader.ReadUInt16();
offset += 2;
if (offset >= fileLength) break;
memReader.BaseStream.Position = offset;
iLlen = memReader.ReadInt32();
offset += 4;
switch(usID)
{
case 0x4100:
// Object mesh. Do nothing.
break;
case 0x4110:
// Read vertices chunk
memReader.BaseStream.Position = offset;
tmpMesh.numVerts = memReader.ReadUInt16();
offset += 2;
tmpMesh.vertsV = new Vert3DS[tmpMesh.numVerts];
memReader.BaseStream.Position = offset;
for (iVertIdx = 0; iVertIdx < tmpMesh.numVerts; iVertIdx++)
{
tmpMesh.vertsV[iVertIdx].x = memReader.ReadSingle();
tmpMesh.vertsV[iVertIdx].y = memReader.ReadSingle();
tmpMesh.vertsV[iVertIdx].z = memReader.ReadSingle();
}
offset += 3 * 4 * tmpMesh.numVerts;
break;
case 0x4120:
// Read vertices chunk
memReader.BaseStream.Position = offset;
tmpMesh.numFaces = memReader.ReadUInt16();
offset += 2;
tmpMesh.facesV = new Face3DS[tmpMesh.numFaces];
memReader.BaseStream.Position = offset;
for (iPolyIdx = 0; iPolyIdx < tmpMesh.numFaces; iPolyIdx++)
{
tmpMesh.facesV[iPolyIdx].vertA = memReader.ReadUInt16();
tmpMesh.facesV[iPolyIdx].vertB = memReader.ReadUInt16();
tmpMesh.facesV[iPolyIdx].vertC = memReader.ReadUInt16();
tmpMesh.facesV[iPolyIdx].flags = memReader.ReadUInt16();
}
offset += 4 * 2 * tmpMesh.numFaces;
break;
case 0x4130:
// Read material mapping info
if (tmpMesh.faceMaterialsV != null)
{
iMatIndex = tmpMesh.faceMaterialsV.Length;
Array.Resize(ref tmpMesh.faceMaterialsV, iMatIndex + 1);
tmpMesh.faceMaterialsV[iMatIndex] = new Face_mat_node();
}
else
{
tmpMesh.faceMaterialsV = new Face_mat_node[1];
iMatIndex = 0;
}
iVColorIdx = 0;
tmpMesh.faceMaterialsV[iMatIndex].materialName = new byte[200];
do
{
memReader.BaseStream.Position = offset;
tmpMesh.faceMaterialsV[iMatIndex].materialName[iVColorIdx] =
memReader.ReadByte();
offset++;
iVColorIdx++;
} while(tmpMesh.faceMaterialsV[iMatIndex].materialName[iVColorIdx - 1] != 0);
memReader.BaseStream.Position = offset;
tmpMesh.faceMaterialsV[iMatIndex].numEntries = memReader.ReadUInt16();
offset += 2;
tmpMesh.faceMaterialsV[iMatIndex].facesV =
new ushort[tmpMesh.faceMaterialsV[iMatIndex].numEntries];
memReader.BaseStream.Position = offset;
for (iMatCounter = 0;
iMatCounter < tmpMesh.faceMaterialsV[iMatIndex].numEntries;
iMatCounter++)
{
tmpMesh.faceMaterialsV[iMatIndex].facesV[iMatCounter] =
memReader.ReadUInt16();
}
offset += 2 * tmpMesh.faceMaterialsV[iMatIndex].numEntries;
break;
case 0x4140:
// Read texture coordinates
memReader.BaseStream.Position = offset;
tmpMesh.numMappedVerts = memReader.ReadUInt16();
offset += 2;
tmpMesh.texCoordsV = new Texcoord3DS[tmpMesh.numMappedVerts];
for (iTexCoordIdx = 0; iTexCoordIdx < tmpMesh.numMappedVerts; iTexCoordIdx++)
{
tmpMesh.texCoordsV[iTexCoordIdx].u = memReader.ReadSingle();
tmpMesh.texCoordsV[iTexCoordIdx].v = memReader.ReadSingle();
}
offset += 2 * 4 * tmpMesh.numMappedVerts;
break;
case 0x4160:
// Local transformation matrix
memReader.BaseStream.Position = offset;
for (iLocalTransMatrxIdx = 0; iLocalTransMatrxIdx < 12; iLocalTransMatrxIdx++)
tmpMesh.localTransformationMatrix[iLocalTransMatrxIdx] = memReader.ReadSingle();
offset += 12 * 4;
break;
case 0x4000:
// Object
offset -= 6;
bDoneQ = true;
break;
default:
// Unknown chunk
if (offset - 6 >= iCount)
{
offset -= 6;
bDoneQ = true;
}
else
{
offset = offset + iLlen - 6;
bDoneQ = offset >= fileLength;
}
break;
}
} while (!bDoneQ);
if (tmpMesh.numVerts > 0)
{
if (meshesV != null)
{
iMeshIndex = meshesV.Length;
Array.Resize(ref meshesV, iMeshIndex + 1);
meshesV[iMeshIndex] = new Mesh_object_node();
}
else
{
meshesV = new Mesh_object_node[1];
iMeshIndex = 0;
}
meshesV[iMeshIndex] = tmpMesh;
// Debug.Print test_str; " "; temp_mesh.NumVerts; " "; temp_mesh.NumFaces
}
}
public static void ReadObject3DS(BinaryReader memReader,
ref int offset, int fileLength, int length,
ref Model3DS[] modelsV)
{
int iCount, iLlen, iModelIndex;
ushort usId;
bool bDoneQ;
iCount = offset + length - 6;
bDoneQ = false;
if (modelsV != null)
{
iModelIndex = modelsV.Length;
Array.Resize(ref modelsV, iModelIndex + 1);
modelsV[iModelIndex] = new Model3DS();
}
else
{
modelsV = new Model3DS[1];
iModelIndex = 0;
}
do
{
memReader.BaseStream.Position = offset;
if (offset >= fileLength) break;
usId = memReader.ReadUInt16();
offset += 2;
memReader.BaseStream.Position = offset;
iLlen = memReader.ReadInt32();
offset += 4;
switch(usId)
{
case 0x4000:
// Some object chunk (probably a mesh)
ReadMesh3DS(memReader, ref offset, fileLength, iLlen,
ref modelsV[iModelIndex].meshesV);
break;
case 0xAFFF:
// Material chunk
ReadMaterial3DS(memReader, ref offset, fileLength, iLlen,
ref modelsV[iModelIndex].materialsV);
break;
default:
// Unknown chunk
if (offset -6 >= iCount)
{
offset -= 6;
bDoneQ = true;
}
else
{
offset = offset + iLlen - 6;
bDoneQ = offset >= fileLength;
}
break;
}
}
while (!bDoneQ);
}
public static void Read3DS(BinaryReader memReader, ref int offset, int fileLength,
ref Model3DS[] modelsV)
{
ushort usId;
int iLlen;
bool bDoneQ;
bDoneQ = false;
do
{
memReader.BaseStream.Position = offset;
if (offset >= fileLength) break;
usId = memReader.ReadUInt16();
offset += 2;
iLlen = memReader.ReadInt32();
offset += 4;
switch(usId)
{
case 0xFFFF:
bDoneQ = true;
break;
case 0x3D3D:
// Object chunk
ReadObject3DS(memReader, ref offset, fileLength, iLlen, ref modelsV);
break;
default:
// Unknown chunk
offset = (int)(offset + iLlen - 6);
bDoneQ = offset >= fileLength;
break;
}
}
while (!bDoneQ);
}
public static bool ReadPrimaryChunk3DS(BinaryReader memReader, ref int offset, int fileLength,
ref Model3DS[] modelsV)
{
short sFlag;
bool bReadPrimaryChunk3DSResult = false;
memReader.BaseStream.Position = offset;
sFlag = memReader.ReadInt16();
if (sFlag == 0x4D4D)
{
offset = 28;
memReader.BaseStream.Position = offset;
memReader.ReadByte(); // version - not used
offset = 16;
Read3DS(memReader, ref offset, fileLength, ref modelsV);
bReadPrimaryChunk3DSResult = true;
}
return bReadPrimaryChunk3DSResult;
}
public static void BuildFaceMaterialList(ref Model3DS Model)
{
// Build the list of material indices for every face
int iNumMeshes, iNumMaterials, iMeshIdx, iFaceMatIdx, iVColorIdx, iPolyIdx;
int iNumFaceMatGroups, iNumFaces;
ushort iMaterialIdx;
bool bFoundQ;
iNumMeshes = Model.meshesV.Length;
if (Model.materialsV != null)
iNumMaterials = Model.materialsV.Length;
else
iNumMaterials = 0;
for (iMeshIdx = 0; iMeshIdx < iNumMeshes; iMeshIdx++)
{
if (Model.meshesV[iMeshIdx].faceMaterialsV != null)
{
iNumFaceMatGroups = Model.meshesV[iMeshIdx].faceMaterialsV.Length;
Array.Resize(ref Model.meshesV[iMeshIdx].faceMaterialIndicesV,
Model.meshesV[iMeshIdx].numFaces);
for (iFaceMatIdx = 0; iFaceMatIdx < iNumFaceMatGroups; iFaceMatIdx++)
{
iMaterialIdx = 0;
do
{
iVColorIdx = 0;
while (Model.meshesV[iMeshIdx].faceMaterialsV[iFaceMatIdx].materialName[iVColorIdx] == Model.materialsV[iMaterialIdx].materialName[iVColorIdx] &&
Model.meshesV[iMeshIdx].faceMaterialsV[iFaceMatIdx].materialName[iVColorIdx] != 0 &&
Model.materialsV[iMaterialIdx].materialName[iVColorIdx] != 0)
{
iVColorIdx++;
}
bFoundQ =
Model.meshesV[iMeshIdx].faceMaterialsV[iFaceMatIdx].materialName[iVColorIdx] ==
Model.materialsV[iMaterialIdx].materialName[iVColorIdx];
iMaterialIdx++;
} while (!bFoundQ && iMaterialIdx != iNumMaterials);
iMaterialIdx--;
iNumFaces = Model.meshesV[iMeshIdx].faceMaterialsV[iFaceMatIdx].numEntries;
for (iPolyIdx = 0; iPolyIdx < iNumFaces; iPolyIdx++)
{
Model.meshesV[iMeshIdx].faceMaterialIndicesV[Model.meshesV[iMeshIdx].
faceMaterialsV[iFaceMatIdx].facesV[iPolyIdx]] = iMaterialIdx;
}
}
}
}
}
public static int Load3DS(string fileName, out Model3DS[] modelsV)
{
int iLoad3DSResult;
byte[] fileBuffer;
int iOffset, iFileLength, iNumModels, iModelIdx;
modelsV = null;
try
{
// Let's read 3DS file into memory.
// Read All 3DS Model file into memory
fileBuffer = File.ReadAllBytes(fileName);
iOffset = 0;
iFileLength = fileBuffer.Length;
using (var fileMemory = new MemoryStream(fileBuffer))
{
using (var memReader = new BinaryReader(fileMemory))
{
while (ReadPrimaryChunk3DS(memReader, ref iOffset, iFileLength, ref modelsV) &&
iOffset < iFileLength) ;
}
}
if (modelsV.Length != 0) iNumModels = modelsV.Length;
else iNumModels = 0;
for (iModelIdx = 0; iModelIdx < iNumModels; iModelIdx++)
{
if (modelsV[iModelIdx].meshesV != null)
BuildFaceMaterialList(ref modelsV[iModelIdx]);
}
iLoad3DSResult = 1;
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Error Loading 3DS.");
iLoad3DSResult = -1;
}
return iLoad3DSResult;
}
// ---------------------------------------------------------------------------------------------------------
// ---------------------------------------- 3Ds => PModel --------------------------------------------------
// ---------------------------------------------------------------------------------------------------------
private static void GetVerts(Mesh_object_node mesh, out Point3D[] vertsV)
{
int i;
vertsV = new Point3D[mesh.numVerts];
for (i = 0; i < mesh.numVerts; i++)
{
vertsV[i].x = mesh.vertsV[i].x;
vertsV[i].y = mesh.vertsV[i].y;
vertsV[i].z = mesh.vertsV[i].z;
}
}
private static void GetFaces(Mesh_object_node mesh, out PPolygon[] facesV)
{
int fi;
facesV = new PPolygon[mesh.numFaces];
for (fi = 0; fi < mesh.numFaces; fi++)
{
facesV[fi].tag1 = 0;
facesV[fi].tag2 = PPOLY_TAG2; // 0xCFCEA00
facesV[fi].Verts = new ushort[3];
facesV[fi].Verts[0] = (ushort)mesh.facesV[fi].vertC;
facesV[fi].Verts[1] = (ushort)mesh.facesV[fi].vertB;
facesV[fi].Verts[2] = (ushort)mesh.facesV[fi].vertA;
facesV[fi].Normals = new ushort[3];
facesV[fi].Edges = new ushort[3];
}
}
private static void GetTexCoords(Mesh_object_node mesh, out Point2D[] texCoordsV)
{
int i;
texCoordsV = null;
if (mesh.numMappedVerts > 0)
{
texCoordsV = new Point2D[mesh.numVerts];
for (i = 0; i < mesh.numMappedVerts; i++)
{
texCoordsV[i].x = mesh.texCoordsV[i].u;
texCoordsV[i].y = mesh.texCoordsV[i].v;
}
}
}
//private static void GetVColors(Mesh_object_node mesh, Mat_list_node[] materialsV,
// out Color[] vcolorsV)
//{
// int iVColorIdx, iPolyIdx;
// STIntVector[] stFacesPerVert;
// int iTmpR, iTmpG, iTmpB, iVectorCount;
// int iVertIdx, iPolyCounterIdx;
// stFacesPerVert = new STIntVector[mesh.numVerts];
// for (iPolyIdx = 0; iPolyIdx < mesh.numFaces; iPolyIdx++)
// {
// iVertIdx = mesh.facesV[iPolyIdx].vertA;
// iPolyCounterIdx = stFacesPerVert[iVertIdx].length;
// Array.Resize(ref stFacesPerVert[iVertIdx].vector, iPolyCounterIdx + 1);
// stFacesPerVert[iVertIdx].vector[iPolyCounterIdx] = iPolyIdx;
// stFacesPerVert[iVertIdx].length = iPolyCounterIdx + 1;
// iVertIdx = mesh.facesV[iPolyIdx].vertB;
// iPolyCounterIdx = stFacesPerVert[iVertIdx].length;
// Array.Resize(ref stFacesPerVert[iVertIdx].vector, iPolyCounterIdx + 1);
// stFacesPerVert[iVertIdx].vector[iPolyCounterIdx] = iPolyIdx;
// stFacesPerVert[iVertIdx].length = iPolyCounterIdx + 1;
// iVertIdx = mesh.facesV[iPolyIdx].vertC;
// iPolyCounterIdx = stFacesPerVert[iVertIdx].length;
// Array.Resize(ref stFacesPerVert[iVertIdx].vector, iPolyCounterIdx + 1);
// stFacesPerVert[iVertIdx].vector[iPolyCounterIdx] = iPolyIdx;
// stFacesPerVert[iVertIdx].length = iPolyCounterIdx + 1;
// }
// vcolorsV = new Color[mesh.numVerts];
// if (mesh.faceMaterialIndicesV != null)
// {
// for (iVColorIdx = 0; iVColorIdx < mesh.numVerts; iVColorIdx++)
// {
// iTmpR = iTmpG = iTmpB = 0;
// iVectorCount = 0;
// foreach (int iVectIdx in stFacesPerVert[iVColorIdx].vector)
// {
// iTmpR += materialsV[mesh.faceMaterialIndicesV[iVectIdx]].diffuse.red;
// iTmpG += materialsV[mesh.faceMaterialIndicesV[iVectIdx]].diffuse.green;
// iTmpB += materialsV[mesh.faceMaterialIndicesV[iVectIdx]].diffuse.blue;
// iVectorCount++;
// }
// vcolorsV[iVColorIdx] = Color.FromArgb(255, iTmpR / iVectorCount,
// iTmpG / iVectorCount,
// iTmpB / iVectorCount);
// }
// }
//}
private static void GetVColors(Mesh_object_node mesh, Mat_list_node[] materialsV,
out Color[] vcolorsV)
{
int iVColorIdx, iPolyIdx;
STIntVector[] stFacesPerVert;
int iTmpR, iTmpG, iTmpB;
int iVertIdx, iPolyCounterIdx;
stFacesPerVert = new STIntVector[mesh.numVerts];
for (iPolyIdx = 0; iPolyIdx < mesh.numFaces; iPolyIdx++)
{
iVertIdx = mesh.facesV[iPolyIdx].vertA;
iPolyCounterIdx = stFacesPerVert[iVertIdx].length;
Array.Resize(ref stFacesPerVert[iVertIdx].vector, iPolyCounterIdx + 1);
stFacesPerVert[iVertIdx].vector[iPolyCounterIdx] = iPolyIdx;
stFacesPerVert[iVertIdx].length = iPolyCounterIdx + 1;
iVertIdx = mesh.facesV[iPolyIdx].vertB;
iPolyCounterIdx = stFacesPerVert[iVertIdx].length;
Array.Resize(ref stFacesPerVert[iVertIdx].vector, iPolyCounterIdx + 1);
stFacesPerVert[iVertIdx].vector[iPolyCounterIdx] = iPolyIdx;
stFacesPerVert[iVertIdx].length = iPolyCounterIdx + 1;
iVertIdx = mesh.facesV[iPolyIdx].vertC;
iPolyCounterIdx = stFacesPerVert[iVertIdx].length;
Array.Resize(ref stFacesPerVert[iVertIdx].vector, iPolyCounterIdx + 1);
stFacesPerVert[iVertIdx].vector[iPolyCounterIdx] = iPolyIdx;
stFacesPerVert[iVertIdx].length = iPolyCounterIdx + 1;
}
vcolorsV = new Color[mesh.numVerts];
for (iVColorIdx = 0; iVColorIdx < mesh.numVerts; iVColorIdx++)
{
iTmpR = 0;
iTmpG = 0;
iTmpB = 0;
for (iPolyIdx = 0; iPolyIdx < stFacesPerVert[iVColorIdx].length; iPolyIdx++)
{
if (mesh.faceMaterialIndicesV != null)
{
iTmpR += materialsV[mesh.faceMaterialIndicesV[stFacesPerVert[iVColorIdx].
vector[iPolyIdx]]].diffuse.red;
iTmpG += materialsV[mesh.faceMaterialIndicesV[stFacesPerVert[iVColorIdx].
vector[iPolyIdx]]].diffuse.green;
iTmpB += materialsV[mesh.faceMaterialIndicesV[stFacesPerVert[iVColorIdx].
vector[iPolyIdx]]].diffuse.blue;
}
}
if (stFacesPerVert[iVColorIdx].length != 0)
{
vcolorsV[iVColorIdx] = Color.FromArgb(255,
iTmpR / stFacesPerVert[iVColorIdx].length,
iTmpG / stFacesPerVert[iVColorIdx].length,
iTmpB / stFacesPerVert[iVColorIdx].length);
}
}
}
//private static void GetPColors(Mesh_object_node mesh, Mat_list_node[] materialsV, out Color[] pcolorsV)
//{
// int iPColorIdx;
// pcolorsV = new Color[mesh.numFaces];
// for (iPColorIdx = 0; iPColorIdx < mesh.numFaces; iPColorIdx++)
// {
// if (mesh.faceMaterialIndicesV != null)
// pcolorsV[iPColorIdx] = Color.FromArgb(255,
// materialsV[mesh.faceMaterialIndicesV[iPColorIdx]].diffuse.red,
// materialsV[mesh.faceMaterialIndicesV[iPColorIdx]].diffuse.green,
// materialsV[mesh.faceMaterialIndicesV[iPColorIdx]].diffuse.blue);
// }
//}
private static void GetPColors(Mesh_object_node mesh, Mat_list_node[] materialsV, out Color[] pcolorsV)
{
int iPColorIdx;
pcolorsV = new Color[mesh.numFaces];
for (iPColorIdx = 0; iPColorIdx < mesh.numFaces; iPColorIdx++)
{
if (mesh.faceMaterialIndicesV != null)
{
pcolorsV[iPColorIdx] = Color.FromArgb(255,
pcolorsV[iPColorIdx].R + materialsV[mesh.faceMaterialIndicesV[iPColorIdx]].diffuse.red,
pcolorsV[iPColorIdx].G + materialsV[mesh.faceMaterialIndicesV[iPColorIdx]].diffuse.green,
pcolorsV[iPColorIdx].B + materialsV[mesh.faceMaterialIndicesV[iPColorIdx]].diffuse.blue);
}
}
}
private static void ConvertMesh3DSToPModel(Mesh_object_node mesh, Mat_list_node[] materialsV, ref PModel Model)
{