public void Update(Vertex[] verts)
{
GL.BindBuffer(BufferTarget.ArrayBuffer, vertexID);
GL.BufferSubData(BufferTarget.ArrayBuffer, (IntPtr)0, (IntPtr)(numOfIndices * vertexSize), verts);
}
public void DataToVBO(Vertex[] verts, int[] indices)
{
vertexFlags = VertexMode.UV1; // normaalit + uv
AllocVBO(verts.Length, indices.Length);
GL.BindBuffer(BufferTarget.ArrayBuffer, vertexID);
GL.BufferSubData(BufferTarget.ArrayBuffer, (IntPtr)0, (IntPtr)(verts.Length * vertexSize), verts);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, indexID);
GL.BufferSubData(BufferTarget.ElementArrayBuffer, (IntPtr)0, (IntPtr)(indices.Length * sizeof(int)), indices);
Util.CheckGLError("VBO");
}
/// <summary>
/// Prepare mesh for rendering
/// </summary>
void PrepareMesh()
{
int i, j, k;
meshes.Clear();
// Calculate the final Position ingame Position of all the model vertexes
for (k = 0; k < numMesh; k++)
{
numOfFaces = model[k].numTris;
vertices = new Vertex[numOfFaces * 3];
for (i = 0; i < model[k].numVert; i++)
{
Vector3 finalVertex = new Vector3(0, 0, 0);
for (j = 0; j < model[k].verts[i].countw; j++)
{
MD5Weight wt = model[k].weights[model[k].verts[i].startw + j];
MD5Joint joint = skeleton[wt.joint];
Vector3 wv = MathExt.RotatePoint(ref joint.orient, ref wt.pos);
finalVertex.X += (joint.pos.X + wv.X) * wt.bias;
finalVertex.Y += (joint.pos.Y + wv.Y) * wt.bias;
finalVertex.Z += (joint.pos.Z + wv.Z) * wt.bias;
}
finalVert[i] = finalVertex;
}
// aika laskea normaalit uudelleen?
if (updateNormalsCount == FramesBetweenNormalsUpdate)
{
MathExt.CalcNormals(ref finalVert, ref model[k].faces, ref normals, false);
updateNormalsCount = 0;
}
else updateAnimCount++;
int count = 0;
// Organize the final vertexes acording to the meshes triangles
for (i = 0; i < model[k].numTris; i++)
{
vertices[count] = new Vertex(finalVert[(int)model[k].faces[i][0]], normals[(int)model[k].faces[i][0]], model[k].verts[(int)model[k].faces[i][0]].uv);
vertices[count + 1] = new Vertex(finalVert[(int)model[k].faces[i][1]], normals[(int)model[k].faces[i][1]], model[k].verts[(int)model[k].faces[i][1]].uv);
vertices[count + 2] = new Vertex(finalVert[(int)model[k].faces[i][2]], normals[(int)model[k].faces[i][2]], model[k].verts[(int)model[k].faces[i][2]].uv);
count += 3;
}
meshes.Add(vertices);
if (model[k].vbo != null) model[k].vbo.Update(vertices);
}
}
/// <summary>
/// kopioi objekti vbo:hon.
/// jos käytetään uvs (tai +uvs2) tai colors, normals pitää myös löytyä.
/// </summary>
/// <param name="vertices"></param>
/// <param name="indices"></param>
/// <param name="normals"></param>
/// <param name="uvs"></param>
public void DataToVBO(Vector3[] vertices, int[] indices, Vector3[] normals, Vector2[] uvs, Vector2[] uvs2, Vector2[] colors)
{
Vertex[] verts = new Vertex[vertices.Length];
if (normals != null) vertexFlags = VertexMode.Normal;
if (uvs != null) vertexFlags = VertexMode.UV1;
if (uvs2 != null) vertexFlags = VertexMode.UV2;
if (colors != null) vertexFlags = VertexMode.Color;
// koppaa vertex infot Vertexiin
switch (vertexFlags)
{
case VertexMode.OnlyVertex:
for (int q = 0; q < vertices.Length; q++)
{
verts[q] = new Vertex(vertices[q]);
}
break;
case VertexMode.Normal:
for (int q = 0; q < vertices.Length; q++)
{
verts[q] = new Vertex(vertices[q], normals[q]);
}
break;
case VertexMode.UV1:
for (int q = 0; q < vertices.Length; q++)
{
verts[q] = new Vertex(vertices[q], normals[q], uvs[q]);
}
break;
case VertexMode.UV2:
for (int q = 0; q < vertices.Length; q++)
{
verts[q] = new Vertex(vertices[q], normals[q], uvs[q], uvs2[q]);
}
break;
case VertexMode.Color:
for (int q = 0; q < vertices.Length; q++)
{
verts[q] = new Vertex(vertices[q], normals[q], colors[q]);
}
break;
}
AllocVBO(verts.Length, indices.Length);
GL.BindBuffer(BufferTarget.ArrayBuffer, vertexID);
GL.BufferSubData(BufferTarget.ArrayBuffer, (IntPtr)0, (IntPtr)(verts.Length * vertexSize), verts);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, indexID);
GL.BufferSubData(BufferTarget.ElementArrayBuffer, (IntPtr)0, (IntPtr)(indices.Length * sizeof(int)), indices);
Util.CheckGLError("VBO");
}
/// <summary>
/// lataa mesh tiedosto
/// </summary>
/// <param name="fileName"></param>
/// <param name="xs"></param>
/// <param name="ys"></param>
/// <param name="zs"></param>
public void Load(string fileName, float xs, float ys, float zs)
{
pathData.Clear();
ObjModel mesh = null;
List<Vector3> _vertex = new List<Vector3>();
List<Vector3> _normal = new List<Vector3>();
List<Vector2> _uv = new List<Vector2>();
string dir = Settings.DataDir;
if (fileName.Contains("\\"))
{
int l = fileName.LastIndexOf("\\");
dir = dir + fileName.Substring(0, l + 1);
}
else if (fileName.Contains("/"))
{
int l = fileName.LastIndexOf("/");
dir = dir + fileName.Substring(0, l + 1);
}
fileName = Settings.DataDir + fileName;
bool path = false; // jos reitti
using (System.IO.StreamReader file = new System.IO.StreamReader(fileName))
{
// tiedosto muistiin
string data = file.ReadToEnd();
data = data.Replace('\r', ' ');
// pilko se
string[] lines = data.Split('\n');
int numOfFaces = 0;
for (int q = 0; q < lines.Length; q++)
{
string[] ln = lines[q].Split(' '); // pilko datat
if (ln[0] == "f") numOfFaces++;
}
// lue kaikki datat objektiin ja indexit mesheihin
for (int q = 0; q < lines.Length; q++)
{
string line = lines[q];
if (line.StartsWith("#")) continue;
string[] ln = line.Split(' '); // pilko datat
if (ln[0] == "v") // vertex x y z
{
float x = (Util.GetFloat(ln[1]) - mesh.Position.X) * xs;
float y = (Util.GetFloat(ln[2]) - mesh.Position.Y) * ys;
float z = (Util.GetFloat(ln[3]) - mesh.Position.Z) * zs;
if (path) pathData.Add(new Vector3(x, y, z));
else _vertex.Add(new Vector3(x, y, z));
continue;
}
if (ln[0] == "vn") // normal x y z
{
_normal.Add(new Vector3(Util.GetFloat(ln[1]), Util.GetFloat(ln[2]), Util.GetFloat(ln[3])));
continue;
}
if (ln[0] == "vt") // texcoord U V
{
_uv.Add(new Vector2(Util.GetFloat(ln[1]), Util.GetFloat(ln[2])));
continue;
}
// uusi objekti
if (ln[0] == "o" || ln[0] == "g")
{
if (mesh != null) meshes.Add(mesh); // talteen
mesh = new ObjModel(ln[1]);
mesh.material = material;
// Nimessä voi olla ohjeita mitä muuta halutaan, esim:
// * Path_reitti1 jolloin ei ladata objektia mutta reitti jota pitkin kamera/objektit voi kulkea.
// * BBox_nimi/BSphere_nimi jolloin tämä onkin nimi-objektin bounding box/sphere.
if (mesh.Name.Contains("Path_"))
{
path = true;
}
else if (mesh.Name.Contains("BBox_") || mesh.Name.Contains("BSphere_"))
{
// TODO: bbox_ bsphere_
}
continue;
}
// materiaali
if (ln[0] == "usemtl")
{
// jos kesken meshin materiaali vaihtuu, luodaan uusi obu johon loput facet
if (lines[q - 1].StartsWith("f"))
{
meshes.Add(mesh);
Vector3 tmpPos = mesh.Position;
mesh = new ObjModel(mesh.Name);
mesh.material = material;
mesh.Position = tmpPos; // samaa objektia, niin sama Position
}
mesh.MaterialName = ln[1];
continue;
}
if (ln[0] == "f")
{
// ota talteen f rivi:
// f vertex/uv/normal vertex/uv/normal vertex/uv/normal
// eli esim: f 4/4/2 5/5/3 7/2/4
// tarkistetaan jos ilman texcoordei eli f 4/4 5/4 6/4 tai f 2//3 jne tai ilman / merkkejä.
int dv = 0;
for (int t = 0; t < line.Length; t++) if (line[t] == '/') dv++;
if (line.Contains("//")) dv = 0; // ei ole texindexei
line = line.Replace("//", " ");
line = line.Replace("/", " ");
string[] _ln = line.Split(' ');
if (dv == 0 || dv == 3) // luultavasti nyt ei ole texturecoordinaatteja
{
mesh._vertexInd.Add(Int32.Parse(_ln[1]) - 1);
mesh._vertexInd.Add(Int32.Parse(_ln[3]) - 1);
mesh._vertexInd.Add(Int32.Parse(_ln[5]) - 1);
mesh._normalInd.Add(Int32.Parse(_ln[2]) - 1);
mesh._normalInd.Add(Int32.Parse(_ln[4]) - 1);
mesh._normalInd.Add(Int32.Parse(_ln[6]) - 1);
}
else // kaikki mukana
{
mesh._vertexInd.Add(Int32.Parse(_ln[1]) - 1);
mesh._vertexInd.Add(Int32.Parse(_ln[4]) - 1);
mesh._vertexInd.Add(Int32.Parse(_ln[7]) - 1);
mesh._uvInd.Add(Int32.Parse(_ln[2]) - 1);
mesh._uvInd.Add(Int32.Parse(_ln[5]) - 1);
mesh._uvInd.Add(Int32.Parse(_ln[8]) - 1);
mesh._normalInd.Add(Int32.Parse(_ln[3]) - 1);
mesh._normalInd.Add(Int32.Parse(_ln[6]) - 1);
mesh._normalInd.Add(Int32.Parse(_ln[9]) - 1);
}
continue;
}
// materiaalitiedosto
if (ln[0] == "mtllib")
{
try
{
// ladataan objektille materiaalitiedot (mesheille otetaan talteen materialname joka viittaa sitten näihin materiaaleihin)
material = new Material();
material.Load(dir + ln[1], Texture.LoadTextures);
}
catch (Exception e)
{
Log.WriteDebugLine(e.ToString());
}
}
}
if (mesh != null) meshes.Add(mesh);
// pathille ei luoda objektia, se on vain kasa vertexejä
if (path == false)
{
int cc = 0;
vertices = new Vertex[numOfFaces * 3];
for (int m = 0; m < meshes.Count; m++)
{
meshes[m].vertices = new Vertex[meshes[m]._vertexInd.Count];
for (int q = 0; q < meshes[m]._vertexInd.Count; q++)
{
// mesh datat
meshes[m].vertices[q].vertex = _vertex[meshes[m]._vertexInd[q]];
meshes[m].vertices[q].normal = _normal[meshes[m]._normalInd[q]];
if (meshes[m]._uvInd.Count != 0)
meshes[m].vertices[q].uv_or_color = new Vector4(_uv[meshes[m]._uvInd[q]].X, _uv[meshes[m]._uvInd[q]].Y,
_uv[meshes[m]._uvInd[q]].X, _uv[meshes[m]._uvInd[q]].Y);
// pistetään myös objektille kaikki vertexit yhteen klimppiin.
//TODO Miks? vie vaa muistia nii paljo, mesheissä kumminki nuo datat säilytetään.
// jos tää on VAIN collisionia varten, siihe ny o helppo tehdä se et se menee objektin puun läpi
// ni sit ei tartte tätä
vertices[cc].vertex = _vertex[meshes[m]._vertexInd[q]];
vertices[cc].normal = _normal[meshes[m]._normalInd[q]];
if (meshes[m]._uvInd.Count != 0)
vertices[cc].uv_or_color = new Vector4(_uv[meshes[m]._uvInd[q]].X, _uv[meshes[m]._uvInd[q]].Y,
_uv[meshes[m]._uvInd[q]].X, _uv[meshes[m]._uvInd[q]].Y);
cc++;
}
// index taulukko
meshes[m].indices = new int[meshes[m]._vertexInd.Count];
for (int q = 0; q < meshes[m]._vertexInd.Count; q++) meshes[m].indices[q] = q;
meshes[m].vbo = new VBO();
meshes[m].vbo.DataToVBO(meshes[m].vertices, meshes[m].indices);
// meshin bounding volume
meshes[m].Boundings = new BoundingVolume();
meshes[m].Boundings.CreateBoundingVolume(meshes[m]);
// lataa glsl koodit
string shader = material.GetMaterial(meshes[m].MaterialName).ShaderName;
if (shader != "")
{
mesh.Shader = new GLSL();
mesh.Shader.Load(shader + ".vert", shader + ".frag");
}
if (material.GetMaterial(meshes[m].MaterialName).Dissolve < 1.0f) IsTranslucent = true;
}
// koko objektin bounding volume
IsRendObj = false; // childeissä rendattavat objektit, tässä ei ole rendattavaa, vain paikka
Boundings = new BoundingVolume();
Boundings.CreateBoundingVolume(this);
// lisätään objektille meshit childeiks
for (int q = 0; q < meshes.Count; q++)
{
Add(meshes[q]);
}
Log.WriteDebugLine("Object: " + Name + " meshes: " + meshes.Count);
}
_vertex.Clear();
_normal.Clear();
_uv.Clear();
for (int q = 0; q < meshes.Count; q++)
{
meshes[q]._vertexInd.Clear();
meshes[q]._normalInd.Clear();
meshes[q]._uvInd.Clear();
}
}
}
