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big_2_dae
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// big2dae by Space Dog https://vk.com/id351409763
/*"...вместо разбития на сабмеши - накидывает на полигоны материал..."
"...т.е. вместо модели разделенной на две части одна модель с двумя материалами..."
"...для модели с одной текстурой и состоящей из 3-х частей будет 3 материала..."*/
using System;
using System.IO;
using System.Collections.Generic;
class BigToCollada
{
static void Main()
{
System.Threading.Thread.CurrentThread.CurrentCulture = new System.Globalization.CultureInfo("en-US");
string[] files = Directory.GetFiles(Directory.GetCurrentDirectory(), "*.big", SearchOption.AllDirectories);
foreach (string file in files)
{
List<int> lPrimINX = new List<int>();
List<byte> lVertex = new List<byte>();
List<byte> lNormals = new List<byte>();
List<byte> lPrims = new List<byte>();
List<byte> lUV = new List<byte>();
List<string> lVertexStr = new List<string>();
List<string> lNormalStr = new List<string>();
List<string> lPrimsSTR = new List<string>();
List<string> lUVStr = new List<string>();
List<string> lUV2Str = new List<string>();
int iByte = 0;
int subMesh = 0;
int nameCounter = 0;
bool uv2 = false;
bool twoUVSet = false;
byte[] byteFile = File.ReadAllBytes(file);
for (iByte = 0; iByte < byteFile.Length - 7; ++iByte)
{
//Vertex (position 0x706F736974696F6E)
if (byteFile[iByte + 0] == 0x70 & byteFile[iByte + 1] == 0x6F &
byteFile[iByte + 2] == 0x73 & byteFile[iByte + 3] == 0x69 &
byteFile[iByte + 4] == 0x74 & byteFile[iByte + 5] == 0x69 &
byteFile[iByte + 6] == 0x6F & byteFile[iByte + 7] == 0x6E)
{
uv2 = false;
twoUVSet = false;
byte[] tempVertexSize = { byteFile[iByte + 16 + 0], byteFile[iByte + 16 + 1], byteFile[iByte + 16 + 2], byteFile[iByte + 16 + 3] };
int vertexSize = BitConverter.ToInt32(tempVertexSize, 0);
for (int i = 0; i < vertexSize * 12; ++i)
{
lVertex.Add(byteFile[iByte + 20 + i]);
}
for (int k = 0; k < lVertex.Count; k += 12)
{
byte[] floatArrayX = { lVertex[k + 0], lVertex[k + 1], lVertex[k + 2], lVertex[k + 3] };
byte[] floatArrayY = { lVertex[k + 4], lVertex[k + 5], lVertex[k + 6], lVertex[k + 7] };
byte[] floatArrayZ = { lVertex[k + 8], lVertex[k + 9], lVertex[k + 10], lVertex[k + 11]};
float xV = BitConverter.ToSingle(floatArrayX, 0);
float yV = BitConverter.ToSingle(floatArrayY, 0);
float zV = BitConverter.ToSingle(floatArrayZ, 0);
string vertexX = String.Format("{0:0.000}", xV);
string vertexY = String.Format("{0:0.000}", yV);
string vertexZ = String.Format("{0:0.000}", zV);
lVertexStr.Add(vertexX);
lVertexStr.Add(vertexY);
lVertexStr.Add(vertexZ);
}
lVertex.Clear();
}
//Normals
if (byteFile[iByte + 0] == 0x6E & byteFile[iByte + 1] == 0x6F &
byteFile[iByte + 2] == 0x72 & byteFile[iByte + 3] == 0x6D &
byteFile[iByte + 4] == 0x61 & byteFile[iByte + 5] == 0x6C &
byteFile[iByte + 6] == 0x73 & byteFile[iByte + 7] == 0x00)
{
byte[] tempNormalsSize = { byteFile[iByte + 16 + 0], byteFile[iByte + 16 + 1], byteFile[iByte + 16 + 2], byteFile[iByte + 16 + 3] };
int normalsSize = BitConverter.ToInt32(tempNormalsSize, 0);
for (int i = 0; i < normalsSize * 12; i++)
{
lNormals.Add(byteFile[iByte + 20 + i]);
}
for (int j = 0; j < lNormals.Count; j += 12)
{
byte[] floatArrayXn = { lNormals[j + 0], lNormals[j + 1], lNormals[j + 2], lNormals[j + 3] };
byte[] floatArrayYn = { lNormals[j + 4], lNormals[j + 5], lNormals[j + 6], lNormals[j + 7] };
byte[] floatArrayZn = { lNormals[j + 8], lNormals[j + 9], lNormals[j + 10], lNormals[j + 11] };
float vn1 = BitConverter.ToSingle(floatArrayXn, 0);
float vn2 = BitConverter.ToSingle(floatArrayYn, 0);
float vn3 = BitConverter.ToSingle(floatArrayZn, 0);
string normalX = String.Format("{0:0.00}", vn1);
string normalY = String.Format("{0:0.00}", vn2);
string normalZ = String.Format("{0:0.00}", vn3);
lNormalStr.Add(normalX);
lNormalStr.Add(normalY);
lNormalStr.Add(normalZ);
}
lNormals.Clear();
}
//Prims
if (byteFile[iByte + 0] == 0x70 & byteFile[iByte + 1] == 0x72 & byteFile[iByte + 2] == 0x69 & byteFile[iByte + 3] == 0x6D & byteFile[iByte + 4] == 0x73)
{
int id = iByte + 24;
int offset = 0;
subMesh = byteFile[iByte + 16];
for (int i = 0; i < subMesh; i++)
{
int p = 0;
byte[] tmpFaceCount = { byteFile[id + 0 + offset], byteFile[id + 1 + offset], byteFile[id + 2 + offset], byteFile[id + 3 + offset] };
int faceCount = BitConverter.ToInt32(tmpFaceCount, 0);
byte[] vertINXarr = { byteFile[id + 4 + 0 + offset], byteFile[id + 4 + 1 + offset], byteFile[id + 4 + 2 + offset], byteFile[id + 4 + 3 + offset]};
int verTableSize = BitConverter.ToInt32(vertINXarr, 0);
for (int j = 0; j < verTableSize * 2; j++)
{
lPrims.Add(byteFile[id + 8 + j + offset]);
}
offset += (verTableSize * 2) + 52;
if (faceCount % 2 != 0) offset += 2;
for (int k = 0; k < lPrims.Count; k += 6)
{
byte[] shortV1 = { lPrims[k + 0], lPrims[k + 1] };
byte[] shortV2 = { lPrims[k + 2], lPrims[k + 3] };
byte[] shortV3 = { lPrims[k + 4], lPrims[k + 5] };
Int16 vertINX_1 = (Int16)BitConverter.ToInt16(shortV1, 0);
Int16 vertINX_2 = (Int16)BitConverter.ToInt16(shortV2, 0);
Int16 vertINX_3 = (Int16)BitConverter.ToInt16(shortV3, 0);
string faces1 = String.Format("{0}", vertINX_1);
string faces2 = String.Format("{0}", vertINX_2);
string faces3 = String.Format("{0}", vertINX_3);
lPrimsSTR.Add(faces1);
lPrimsSTR.Add(faces2);
lPrimsSTR.Add(faces3);
p += 3;
}
lPrimINX.Add(p);
lPrims.Clear();
}
}
//uvs. 0x75767300
if (byteFile[iByte + 0] == 0x75 & byteFile[iByte + 1] == 0x76 & byteFile[iByte + 2] == 0x73 & byteFile[iByte + 3] == 0x00 & !uv2)
{
byte[] uvCounterArr = { byteFile[iByte + 20 + 0], byteFile[iByte + 20 + 1], byteFile[iByte + 20 + 2], byteFile[iByte + 20 + 3] };
int uvSize = BitConverter.ToInt32(uvCounterArr, 0);
for (int k = 0; k < uvSize * 2 * 4; k++)
{
lUV.Add(byteFile[iByte + 24 + k]);
}
for (int j = 0; j < lUV.Count; j += 8)
{
byte[] arrU = { lUV[j + 0], lUV[j + 1], lUV[j + 2], lUV[j + 3] };
byte[] arrV = { lUV[j + 4], lUV[j + 5], lUV[j + 6], lUV[j + 7] };
float vu = BitConverter.ToSingle(arrU, 0);
float vv = (-1) * BitConverter.ToSingle(arrV, 0);
string uvSTR_1 = String.Format("{0:0.00}", vu);
string uvSTR_2 = String.Format("{0:0.00}", vv);
lUVStr.Add(uvSTR_1);
lUVStr.Add(uvSTR_2);
}
uv2 = true;
}
else if (byteFile[iByte + 0] == 0x75 & byteFile[iByte + 1] == 0x76 & byteFile[iByte + 2] == 0x73 & byteFile[iByte + 3] == 0x00 & uv2)
{
byte[] uvCounterArr = { byteFile[iByte + 20 + 0], byteFile[iByte + 20 + 1], byteFile[iByte + 20 + 2], byteFile[iByte + 20 + 3] };
int uvSize = BitConverter.ToInt32(uvCounterArr, 0);
for (int k = 0; k < uvSize * 2 * 4; k++)
{
lUV.Add(byteFile[iByte + 24 + k]);
}
for (int j = 0; j < lUV.Count; j += 8)
{
byte[] arrU = { lUV[j + 0], lUV[j + 1], lUV[j + 2], lUV[j + 3] };
byte[] arrV = { lUV[j + 4], lUV[j + 5], lUV[j + 6], lUV[j + 7] };
float vu = BitConverter.ToSingle(arrU, 0);
float vv = BitConverter.ToSingle(arrV, 0);
string uvSTR1 = String.Format("{0:0.00}", vu);
string uvSTR2 = String.Format("{0:0.00}", vv);
lUV2Str.Add(uvSTR1);
lUV2Str.Add(uvSTR2);
}
twoUVSet = true;
}
lUV.Clear();
}
string fileName = Path.GetFileNameWithoutExtension(file);
string daeFile = fileName + "_" + nameCounter + ".dae";
if (File.Exists(daeFile)) File.Delete(daeFile);
Console.WriteLine(daeFile);
PrintHeaderCollada(daeFile);
LibraryImages(daeFile);
LibraryMaterials(daeFile, subMesh);
LibraryGeometries(fileName, daeFile, lVertexStr, lNormalStr, lPrimsSTR, lUVStr, lUV2Str, subMesh, twoUVSet, lPrimINX);
LibraryVisualScenes(fileName, daeFile, subMesh);
++nameCounter;
Console.ReadKey();
}
}
static void PrintHeaderCollada(string fileName)
{
using (StreamWriter writeDAE = File.AppendText(fileName))
{
writeDAE.WriteLine("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
writeDAE.WriteLine("<COLLADA xmlns=\"http://www.collada.org/2005/11/COLLADASchema" +"\" version=\"1.4.1\">");
writeDAE.WriteLine(" <asset>");
writeDAE.WriteLine(" <unit name=\"centimeter\" meter=\"1\"/>");
writeDAE.WriteLine(" <up_axis>Y_UP</up_axis>");
writeDAE.WriteLine(" </asset>");
}
}
static void LibraryImages(string fileName)
{
using (StreamWriter writeDAE = File.AppendText(fileName))
{
writeDAE.WriteLine(" <library_images/>");
}
}
static void LibraryMaterials(string fileName, int subMesh)
{
using (StreamWriter writeDAE = File.AppendText(fileName))
{
writeDAE.WriteLine(" <library_materials>");
for (int i = 0; i < subMesh; i++)
{
writeDAE.WriteLine(" <material id=\"Material_" + i + "\">");
writeDAE.WriteLine(" <instance_effect url=\"#Material_" + i + "-effect\"/>");
writeDAE.WriteLine(" </material>");
}
writeDAE.WriteLine(" </library_materials>");
}
}
static void LibraryGeometries(string fileName, string daeFile, List<string> lVertexStr,
List<string> lNormalStr, List<string> lPrimsSTR, List<string> lUVStr,
List<string> lUV2Str, int subMesh, bool twoUVSet, List <int> lPrimINX)
{
using (StreamWriter writeDAE = File.AppendText(daeFile))
{
Console.WriteLine("twoUV = {0}", twoUVSet);
writeDAE.WriteLine(" <library_geometries>");
writeDAE.WriteLine(" <geometry id=\"" + fileName + "-mesh\" name=\"" + fileName + "\">");
writeDAE.WriteLine(" <mesh>");
writeDAE.WriteLine(" <source id=\"" + fileName +"-mesh-positions\">");
writeDAE.Write(" <float_array id=\"" + fileName + "-mesh-positions-array\" " +
"count=\"" + lVertexStr.Count + "\">");
for(int i = 0; i < lVertexStr.Count; i++)
{
writeDAE.Write(" " + lVertexStr[i]);
}
writeDAE.WriteLine(" </float_array>");
writeDAE.WriteLine(" <technique_common>");
writeDAE.WriteLine(" <accessor source=\"#" + fileName + "-mesh-positions-array\" count=\"" + lVertexStr.Count / 3 + "\" stride=\"3\">");
writeDAE.WriteLine(" <param name=\"X\" type=\"float\"/>");
writeDAE.WriteLine(" <param name=\"Y\" type=\"float\"/>");
writeDAE.WriteLine(" <param name=\"Z\" type=\"float\"/>");
writeDAE.WriteLine(" </accessor>");
writeDAE.WriteLine(" </technique_common>");
writeDAE.WriteLine(" </source>");
writeDAE.WriteLine(" <source id=\"" + fileName + "-mesh-normals\">");
writeDAE.Write(" <float_array id=\"" + fileName + "-mesh-normals-array\"" + " count=\"" + lNormalStr.Count + "\">");
for (int i = 0; i < lNormalStr.Count; i++)
{
writeDAE.Write(" " + lNormalStr[i]);
}
writeDAE.WriteLine(" </float_array>");
writeDAE.WriteLine(" <technique_common>");
writeDAE.WriteLine(" <accessor source=\"#" + fileName + "-mesh-normals-array\" count=\"" + lNormalStr.Count / 3 + "\" stride=\"3\">");
writeDAE.WriteLine(" <param name=\"X\" type=\"float\"/>");
writeDAE.WriteLine(" <param name=\"Y\" type=\"float\"/>");
writeDAE.WriteLine(" <param name=\"Z\" type=\"float\"/>");
writeDAE.WriteLine(" </accessor>");
writeDAE.WriteLine(" </technique_common>");
writeDAE.WriteLine(" </source>");
writeDAE.WriteLine(" <source id=\"" + fileName + "-mesh-map-0\">");
writeDAE.Write(" <float_array id=\"" + fileName + "-mesh-map-0-array\"" + " count=\"" + lUVStr.Count + "\">");
for (int i = 0; i < lUVStr.Count; i++)
{
writeDAE.Write(" " + lUVStr[i]);
}
writeDAE.WriteLine(" </float_array>");
writeDAE.WriteLine(" <technique_common>");
writeDAE.WriteLine(" <accessor source=\"#" + fileName + "-mesh-map-0-array\" count=\"" + lUVStr.Count / 2 + "\" stride=\"2\">");
writeDAE.WriteLine(" <param name=\"S\" type=\"float\"/>");
writeDAE.WriteLine(" <param name=\"T\" type=\"float\"/>");
writeDAE.WriteLine(" </accessor>");
writeDAE.WriteLine(" </technique_common>");
writeDAE.WriteLine(" </source>");
if(twoUVSet)
{
writeDAE.WriteLine(" <source id=\"" + fileName + "-mesh-map-1\">");
writeDAE.Write(" <float_array id=\"" + fileName + "-mesh-map-1-array\"" + " count=\"" + lUV2Str.Count + "\">");
for (int i = 0; i < lUV2Str.Count; ++i)
{
writeDAE.Write(" " + lUV2Str[i]);
}
writeDAE.WriteLine(" </float_array>");
writeDAE.WriteLine(" <technique_common>");
writeDAE.WriteLine(" <accessor source=\"#" + fileName +"-mesh-map-1-array\" count=\"" + lUV2Str.Count / 2 + "\" stride=\"2\">");
writeDAE.WriteLine(" <param name=\"S\" type=\"float\"/>");
writeDAE.WriteLine(" <param name=\"T\" type=\"float\"/>");
writeDAE.WriteLine(" </accessor>");
writeDAE.WriteLine(" </technique_common>");
writeDAE.WriteLine(" </source>");
}
writeDAE.WriteLine(" <vertices id=\"" + fileName +"-mesh-vertices\">");
writeDAE.WriteLine(" <input semantic=\"POSITION\" source=\"#" + fileName + "-mesh-positions\"/>");
writeDAE.WriteLine(" </vertices>");
int j = 0;
int x = 0;
for (int k = 0; k <subMesh; ++k)
{
int poly = lPrimINX[k];
writeDAE.WriteLine(" <triangles material=\"Material_" + k +"\" count=\"" + poly / 3 + "\">");
writeDAE.WriteLine(" <input semantic=\"VERTEX\" source=\"#" + fileName + "-mesh-vertices\" offset=\"0\"/>");
writeDAE.WriteLine(" <input semantic=\"NORMAL\" source=\"#" + fileName + "-mesh-normals\" offset=\"1\"/>");
writeDAE.WriteLine(" <input semantic=\"TEXCOORD\" source=\"#" + fileName + "-mesh-map-0\" offset=\"2\" set=\"0\"/>");
if(twoUVSet)
{
writeDAE.WriteLine(" <input semantic=\"TEXCOORD\" source=\"#" + fileName + "-mesh-map-1\" offset=\"2\" set=\"1\"/>");
}
writeDAE.Write(" <p>");
while (j < poly)
{
writeDAE.Write(" " + lPrimsSTR[x+j] + " " + lPrimsSTR[x+j] + " " + lPrimsSTR[x+j]);
++j;
}
writeDAE.WriteLine(" </p>");
writeDAE.WriteLine(" </triangles>");
x = j;
j = 0;
}
writeDAE.WriteLine(" </mesh>");
writeDAE.WriteLine(" </geometry>");
writeDAE.WriteLine(" </library_geometries>");
}
}
static void LibraryVisualScenes(string fileName, string daeFile, int subMesh)
{
using (StreamWriter writeDAE = File.AppendText(daeFile))
{
writeDAE.WriteLine(" <library_visual_scenes>");
writeDAE.WriteLine(" <visual_scene id=\"Scene\"" + " name=\"Scene\">");
writeDAE.WriteLine(" <node id=\"" + fileName + "\" name=\"" + fileName + "\" type=\"NODE\">");
writeDAE.WriteLine(" <instance_geometry url=\"#" + fileName + "-mesh\" name=\"" + fileName + "\">");
writeDAE.WriteLine(" <bind_material>");
writeDAE.WriteLine(" <technique_common>");
for (int i = 0; i < subMesh; ++i)
{
writeDAE.WriteLine(" <instance_material symbol=\"Material_" + i + "\" target=\"#Material_" + i + "\"/>");
}
writeDAE.WriteLine(" </technique_common>");
writeDAE.WriteLine(" </bind_material>");
writeDAE.WriteLine(" </instance_geometry>");
writeDAE.WriteLine(" </node>");
writeDAE.WriteLine(" </visual_scene>");
writeDAE.WriteLine(" </library_visual_scenes>");
writeDAE.WriteLine(" <scene>");
writeDAE.WriteLine(" <instance_visual_scene url=\"#Scene\"/>");
writeDAE.WriteLine(" </scene>");
writeDAE.WriteLine("</COLLADA>");
}
}
}