/* Delete a model from the level */
private void deleteModel_Click(object sender, EventArgs e)
{
if (modelList.SelectedIndex == -1)
{
return;
}
for (int i = 0; i < ModelsFile.GetFiles().Count; i++)
{
if (ModelsFile.GetFiles()[i].modelName == modelList.Items[modelList.SelectedIndex].ToString())
{
ModelsFile.RemoveFile(ModelsFile.GetFiles()[i]);
}
}
Texture[] prevTexs = new Texture[TexturesFile.GetFiles().Count];
TexturesFile.GetFiles().CopyTo(prevTexs);
TexturesFile.GetFiles().Clear();
for (int i = 0; i < ModelsFile.GetFiles().Count; i++)
{
for (int x = 0; x < ModelsFile.GetFiles()[i].modelParts.Count; x++)
{
for (int y = 0; y < prevTexs.Length; y++)
{
if (prevTexs[y].textureID == ModelsFile.GetFiles()[i].modelParts[x].thisMaterial.textureID)
{
TexturesFile.AddFile(prevTexs[y]);
break;
}
}
}
}
ModelsFile.Save(levelPath);
TexturesFile.Save(levelPath);
ReloadList();
}
public bool LoadFromOBJ(string path)
{
loadedFromObj = true;
//Parse the OBJ to vertices/texcoords/normals
List <string> objFile = File.ReadAllLines(path).ToList();
List <Vector3> verts = new List <Vector3>();
List <Vector2> coords = new List <Vector2>();
List <Vector3> normals = new List <Vector3>();
List <Face> faces = new List <Face>();
string materialLibrary = "";
string thisMaterial = "";
foreach (string str in objFile)
{
if (str.Length > 0)
{
if (str.Length > 7 && str.Substring(0, 7) == "mtllib ")
{
materialLibrary = str.Substring(7);
}
else if (str.Length > 2 && str.Substring(0, 2) == "v ")
{
string _str = str.Substring(2);
string thisPos = "";
Vector3 thisVertPos = new Vector3();
int vertPosIndex = 0;
for (int i = 0; i < _str.Length + 1; i++)
{
if (i == _str.Length || _str[i] == ' ')
{
if (thisPos == "")
{
continue;
}
if (vertPosIndex == 0)
{
thisVertPos.x = Convert.ToSingle(thisPos);
}
if (vertPosIndex == 1)
{
thisVertPos.y = Convert.ToSingle(thisPos);
}
if (vertPosIndex == 2)
{
thisVertPos.z = Convert.ToSingle(thisPos);
}
vertPosIndex++;
thisPos = "";
continue;
}
thisPos += _str[i];
}
verts.Add(thisVertPos);
}
else if (str.Length > 3 && str.Substring(0, 3) == "vt ")
{
string _str = str.Substring(3);
string thisPos = "";
Vector2 thisTexCoord = new Vector2();
int texCoordIndex = 0;
for (int i = 0; i < _str.Length + 1; i++)
{
if (i == _str.Length || _str[i] == ' ')
{
if (thisPos == "")
{
continue;
}
if (texCoordIndex == 0)
{
thisTexCoord.x = Convert.ToSingle(thisPos);
}
if (texCoordIndex == 1)
{
thisTexCoord.y = Convert.ToSingle(thisPos) * -1;
}
texCoordIndex++;
thisPos = "";
continue;
}
thisPos += _str[i];
}
coords.Add(thisTexCoord);
}
else if (str.Length > 3 && str.Substring(0, 3) == "vn ")
{
string _str = str.Substring(3);
string thisPos = "";
Vector3 thisNormal = new Vector3();
int normalIndex = 0;
for (int i = 0; i < _str.Length + 1; i++)
{
if (i == _str.Length || _str[i] == ' ')
{
if (thisPos == "")
{
continue;
}
if (normalIndex == 0)
{
thisNormal.x = Convert.ToSingle(thisPos);
}
if (normalIndex == 1)
{
thisNormal.y = Convert.ToSingle(thisPos);
}
if (normalIndex == 2)
{
thisNormal.z = Convert.ToSingle(thisPos);
}
normalIndex++;
thisPos = "";
continue;
}
thisPos += _str[i];
}
normals.Add(thisNormal);
}
else if (str.Length > 7 && str.Substring(0, 7) == "usemtl ")
{
thisMaterial = str.Substring(7);
}
else if (str.Length > 2 && str.Substring(0, 2) == "f ")
{
string _str = str.Substring(2);
Face thisFace = new Face();
VertexGroup thisVert = new VertexGroup();
VertReaderType next = VertReaderType.VERTEX;
string currentNumber = "";
for (int i = 0; i < _str.Length + 1; i++)
{
if (i == _str.Length || _str[i] == '/' || _str[i] == ' ')
{
if (currentNumber == "")
{
if (verts.Count == 0)
{
return(false);
}
if (coords.Count == 0)
{
return(false);
}
if (normals.Count == 0)
{
return(false);
}
continue;
}
switch (next)
{
case VertReaderType.VERTEX:
thisVert.v = Convert.ToInt32(currentNumber);
next = VertReaderType.COORDINATE;
break;
case VertReaderType.COORDINATE:
thisVert.c = Convert.ToInt32(currentNumber);
next = VertReaderType.NORMAL;
break;
case VertReaderType.NORMAL:
thisVert.n = Convert.ToInt32(currentNumber);
next = VertReaderType.VERTEX;
break;
}
thisVert.set = true;
currentNumber = "";
if (i < _str.Length && _str[i] == '/')
{
continue;
}
if (!thisVert.set)
{
continue;
}
thisFace.verts.Add(thisVert);
thisVert = new VertexGroup();
continue;
}
currentNumber += _str[i];
}
if (thisFace.verts.Count != 3)
{
return(false);
}
thisFace.materialName = thisMaterial;
faces.Add(thisFace);
}
}
}
//Open and parse MTL if it exists
List <ModelMaterialData> materials = new List <ModelMaterialData>();
if (materialLibrary != "")
{
//Get model path parts
List <string> modelPath = new List <string>();
string currentPath = "";
for (int i = 0; i < path.Length; i++)
{
if (path[i] == '/' || path[i] == '\\')
{
modelPath.Add(currentPath);
currentPath = "";
continue;
}
currentPath += path[i];
}
modelPath.Add(currentPath);
//Get material path parts
List <string> mtlPath = new List <string>();
currentPath = "";
for (int i = 0; i < materialLibrary.Length; i++)
{
if (materialLibrary[i] == '/' || materialLibrary[i] == '\\')
{
mtlPath.Add(currentPath);
currentPath = "";
continue;
}
currentPath += materialLibrary[i];
}
mtlPath.Add(currentPath);
//Reconstruct a good path to MTL using model path
string pathToMtl = "";
if (mtlPath.Count == 1)
{
if (modelPath.Count == 1)
{
pathToMtl = mtlPath[0];
}
else
{
for (int i = 0; i < modelPath.Count - 1; i++)
{
pathToMtl += modelPath[i] + "/";
}
pathToMtl += mtlPath[0];
}
}
else
{
pathToMtl = materialLibrary;
}
//Open MTL
List <string> mtlFile = File.ReadAllLines(pathToMtl).ToList();
//Parse MTL into materials
ModelMaterialData currentMaterial = new ModelMaterialData();
foreach (string str in mtlFile)
{
if (str.Length > 0)
{
if (str.Length > 7 && str.Substring(0, 7) == "newmtl ")
{
if (currentMaterial.materialName != "")
{
materials.Add(currentMaterial);
currentMaterial = new ModelMaterialData();
}
currentMaterial.materialName = str.Substring(7);
}
else if (str.Length > 3 && str.Substring(0, 3) == "Kd ")
{
string _str = str.Substring(3);
string thisColour = "";
int thisColourIndex = 0;
for (int i = 0; i < _str.Length + 1; i++)
{
if (i == _str.Length || _str[i] == ' ')
{
if (thisColour == "")
{
continue;
}
if (thisColourIndex == 0)
{
currentMaterial.colourTint.r = Convert.ToSingle(thisColour);
}
if (thisColourIndex == 1)
{
currentMaterial.colourTint.g = Convert.ToSingle(thisColour);
}
if (thisColourIndex == 2)
{
currentMaterial.colourTint.b = Convert.ToSingle(thisColour);
}
thisColourIndex++;
thisColour = "";
continue;
}
thisColour += _str[i];
}
}
else if (str.Length > 2 && str.Substring(0, 2) == "d ")
{
currentMaterial.colourTint.a = Convert.ToSingle(str.Substring(2));
}
else if (str.Length > 7 && str.Substring(0, 7) == "map_Kd ")
{
currentMaterial.texturePath = str.Substring(7);
if (currentMaterial.texturePath[1] == ':')
{
//Debug::Log("Texture uses system path! " + currentMaterial.texturePath);
}
else
{
string texPrepend = "";
for (int i = pathToMtl.Length - 1; i >= 0; i--)
{
if (pathToMtl[i] == '/' || pathToMtl[i] == '\\')
{
texPrepend = pathToMtl.Substring(0, i);
break;
}
}
currentMaterial.texturePath = texPrepend + "/" + currentMaterial.texturePath;
}
if (File.Exists(currentMaterial.texturePath))
{
currentMaterial.textureID = TexturesFile.AddFile(new Texture(File.ReadAllBytes(currentMaterial.texturePath).ToList()));
}
else
{
//show error
string dfg = "";
}
}
}
}
if (currentMaterial.materialName != "")
{
materials.Add(currentMaterial);
}
}
//Create vertex and index arrays from the data
ModelPart modelPart = new ModelPart();
int totalIndex = 0;
for (int i = 0; i < faces.Count; i++)
{
for (int x = 0; x < faces[i].verts.Count; x++)
{
SimpleVertex thisVertInfo = new SimpleVertex();
thisVertInfo.Pos = verts[faces[i].verts[x].v - 1];
thisVertInfo.Tex = coords[faces[i].verts[x].c - 1];
thisVertInfo.Normal = normals[faces[i].verts[x].n - 1];
if (modelPart.thisMaterial.materialName != faces[i].materialName)
{
if (totalIndex != 0)
{
modelParts.Add(modelPart);
modelPart = new ModelPart();
}
for (int y = 0; y < materials.Count; y++)
{
if (materials[y].materialName == faces[i].materialName)
{
modelPart.thisMaterial = materials[y];
break;
}
}
}
modelPart.compVertices.Add(thisVertInfo);
modelPart.compIndices.Add(totalIndex);
totalIndex++;
}
}
modelParts.Add(modelPart);
return(true);
}