public MaterialPBR GetMat(string matName)
{
MaterialPBR ret = null;
materials.TryGetValue(matName, out ret);
return(ret);
}
public MaterialLibrary(FileExisting file)
{
using (var s = file.OpenReadWrite())
using (StreamReader textReader = new StreamReader(s))
{
MaterialPBR lastMat = new MaterialPBR();
string line;
while ((line = textReader.ReadLine()) != null)
{
line = line.Trim();
line = line.Replace(" ", " ");
string[] parameters = line.Split(splitCharacters);
/*
* Ka 1.000 1.000 1.000
* Kd 1.000 1.000 1.000
* Ks 0.000 0.000 0.000
* d 1.0
* illum 2
* map_Ka lenna.tga # the ambient texture map
* map_Kd lenna.tga # the diffuse texture map (most of the time, it will
# be the same as the ambient texture map)
# map_Ks lenna.tga # specular color texture map
# map_Ns lenna_spec.tga # specular highlight component
# map_d lenna_alpha.tga # the alpha texture map
# map_bump lenna_bump.tga # some implementations use 'map_bump' instead of 'bump' below
* */
switch (parameters[0])
{
case "newmtl":
lastMat = new MaterialPBR();
materials[parameters[1]] = lastMat;
break;
case "Kd": // diffuse
if (parameters.Length > 2)
{
Parse(ref parameters[1], ref lastMat.albedo.X);
Parse(ref parameters[2], ref lastMat.albedo.Y);
Parse(ref parameters[3], ref lastMat.albedo.Z);
}
else
{
float r = 1;
Parse(ref parameters[1], ref r);
lastMat.albedo.X = lastMat.albedo.Y = lastMat.albedo.Z = r;
}
break;
case "map_Kd":
lastMat.albedoTexture = new Texture2D(FileSystem.FindFile(parameters[1], file.Folder));
break;
}
}
textReader.Close();
}
}
internal override void OnCreated()
{
material = new MaterialPBR()
{
gBufferShader = Factory.GetShader("internal/deferred.gBuffer.standart.shader"),
depthGrabShader = Factory.GetShader("internal/depthGrab.standart.shader"),
};
}
void InitializeDebug()
{
if (debugInitialized)
{
return;
}
debugInitialized = true;
EventSystem.On <Events.PreRenderUpdate>((evt) =>
{
if (debugEntitiesToCreate.Count > 0)
{
Tuple <WorldPos, float, Vector4> tuple;
while (debugEntitiesToCreate.Count > 0 && debugEntitiesToCreate.TryDequeue(out tuple))
{
var position = tuple.Item1;
var size = tuple.Item2;
var color = tuple.Item3;
var e = AddEntity("debug sphere");
e.Transform.Position = position;
e.Transform.Scale = new Vector3(size, size, size);
var r = e.AddComponent <MeshRenderer>();
r.Mesh = Factory.GetMesh("sphere.obj");
var m = new MaterialPBR();
r.Material = m;
m.RenderShader = Factory.GetShader("internal/deferred.gBuffer.PBR.shader");
m.albedo = color;
debugEntitites.Add(e);
}
}
});
EventSystem.On <Events.FrameEnded>((evt) =>
{
if (debugEntitites.Count > 0)
{
debugEntitites.ForEach((entity) => entity.Destroy());
debugEntitites.Clear();
}
});
}
Mesh Parse(Resource resource, GameObject appendToGameObject)
{
using (StreamReader textReader = new StreamReader(resource))
{
int i1, i2, i3, i4;
string line;
while ((line = textReader.ReadLine()) != null)
{
line = line.Trim(trimCharacters);
line = line.Replace(" ", " ");
string[] parameters = line.Split(splitCharacters);
switch (parameters[0])
{
case "p": // Point
break;
case "v": // Vertex
var v = Vector3.Zero;
Parse(ref parameters[1], ref v.X);
Parse(ref parameters[2], ref v.Y);
Parse(ref parameters[3], ref v.Z);
verticesObj.Add(v);
break;
case "vt": // TexCoord
gotUvs = true;
var vt = Vector2.Zero;
Parse(ref parameters[1], ref vt.X);
Parse(ref parameters[2], ref vt.Y);
uvsObj.Add(vt);
break;
case "vn": // Normal
gotNormal = true;
var vn = Vector3.Zero;
Parse(ref parameters[1], ref vn.X);
Parse(ref parameters[2], ref vn.Y);
Parse(ref parameters[3], ref vn.Z);
normalsObj.Add(vn);
break;
case "f":
switch (parameters.Length)
{
case 4:
i1 = ParseFaceParameter(parameters[1]);
i2 = ParseFaceParameter(parameters[2]);
i3 = ParseFaceParameter(parameters[3]);
triangleIndiciesMesh.Add(i1);
triangleIndiciesMesh.Add(i2);
triangleIndiciesMesh.Add(i3);
break;
case 5:
i1 = ParseFaceParameter(parameters[1]);
i2 = ParseFaceParameter(parameters[2]);
i3 = ParseFaceParameter(parameters[3]);
i4 = ParseFaceParameter(parameters[4]);
triangleIndiciesMesh.Add(i1);
triangleIndiciesMesh.Add(i2);
triangleIndiciesMesh.Add(i3);
triangleIndiciesMesh.Add(i1);
triangleIndiciesMesh.Add(i3);
triangleIndiciesMesh.Add(i4);
break;
}
break;
case "mtllib":
if (Resource.ResourceInFolderExists(resource, parameters[1]))
{
materialLibrary = new MaterialLibrary(Resource.GetResourceInFolder(resource, parameters[1]));
}
break;
case "usemtl":
if (materialLibrary != null)
{
lastMaterial = materialLibrary.GetMat(parameters[1]);
}
break;
}
}
textReader.Close();
}
if (appendToGameObject != null)
{
return(EndObjPart(appendToGameObject));
}
Debug.Info("Loaded " + resource.originalPath + " vertices:" + verticesMesh.Count + " faces:" + triangleIndiciesMesh.Count / 3);
return(EndMesh());
}
public Mesh Parse()
{
using (StreamReader textReader = new StreamReader(file.OpenReadWrite()))
{
int i1, i2, i3, i4;
string line;
while ((line = textReader.ReadLine()) != null)
{
line = line.Trim();
if (line.StartsWith("#"))
{
continue;
}
line = line.Replace(" ", " ");
string[] parameters = line.Split(splitCharacters);
switch (parameters[0])
{
case "p": // Point
break;
case "v": // Vertex
var v = Vector3.Zero;
Parse(ref parameters[1], ref v.X);
Parse(ref parameters[2], ref v.Y);
Parse(ref parameters[3], ref v.Z);
verticesObj.Add(v);
break;
case "vt": // TexCoord
gotUvs = true;
var vt = Vector2.Zero;
Parse(ref parameters[1], ref vt.X);
Parse(ref parameters[2], ref vt.Y);
uvsObj.Add(vt);
break;
case "vn": // Normal
gotNormal = true;
var vn = Vector3.Zero;
Parse(ref parameters[1], ref vn.X);
Parse(ref parameters[2], ref vn.Y);
Parse(ref parameters[3], ref vn.Z);
normalsObj.Add(vn);
break;
case "f":
switch (parameters.Length)
{
case 4:
i1 = ParseFaceParameter(parameters[1]);
i2 = ParseFaceParameter(parameters[2]);
i3 = ParseFaceParameter(parameters[3]);
triangleIndiciesMesh.Add(i1);
triangleIndiciesMesh.Add(i2);
triangleIndiciesMesh.Add(i3);
break;
case 5:
i1 = ParseFaceParameter(parameters[1]);
i2 = ParseFaceParameter(parameters[2]);
i3 = ParseFaceParameter(parameters[3]);
i4 = ParseFaceParameter(parameters[4]);
triangleIndiciesMesh.Add(i1);
triangleIndiciesMesh.Add(i2);
triangleIndiciesMesh.Add(i3);
triangleIndiciesMesh.Add(i1);
triangleIndiciesMesh.Add(i3);
triangleIndiciesMesh.Add(i4);
break;
}
break;
case "mtllib":
if (FileSystem.FileExists(parameters[1], file.Folder))
{
materialLibrary = new MaterialLibrary(FileSystem.FindFile(parameters[1], file.Folder));
}
break;
case "usemtl":
if (parameters[1] == "(null)")
{
continue;
}
if (materialLibrary != null)
{
lastMaterial = materialLibrary.GetMat(parameters[1]);
}
break;
}
}
textReader.Close();
}
if (appendToEntity != null)
{
return(EndObjPart(appendToEntity));
}
Log.Info("loaded, vertices:" + verticesMesh.Count + " faces:" + triangleIndiciesMesh.Count / 3);
return(EndMesh());
}
