void LoadModel(string path)
{
FileStream stream = new FileStream(path, FileMode.Open, FileAccess.Read);
BinaryReader br = new BinaryReader(stream);
md2_t header = new md2_t();
header.ident = br.ReadInt32();
header.version = br.ReadInt32();
header.skinheight = br.ReadInt32();
header.skinwidth = br.ReadInt32();
header.framesize = br.ReadInt32();
header.num_skins = br.ReadInt32();
header.num_xyz = br.ReadInt32();
header.num_st = br.ReadInt32();
header.num_tris = br.ReadInt32();
header.num_glcmds = br.ReadInt32();
header.num_frames = br.ReadInt32();
header.ofs_skins = br.ReadInt32();
header.ofs_st = br.ReadInt32();
header.ofs_tris = br.ReadInt32();
header.ofs_frames = br.ReadInt32();
header.ofs_glcmds = br.ReadInt32();
header.ofs_end = br.ReadInt32();
br.BaseStream.Seek(header.ofs_skins, SeekOrigin.Begin);
skins = new List <string>();
for (int i = 0; i < header.num_skins; i++)
{
string s = new string(br.ReadChars(64));
skins.Add(s);
}
UVData = new List <vec2>();
br.BaseStream.Seek(header.ofs_st, SeekOrigin.Begin);
for (int i = 0; i < header.num_st; i++)
{
vec2 uv = new vec2();
uv.x = ((float)br.ReadInt16()) / header.skinwidth;
uv.y = ((float)br.ReadInt16()) / header.skinheight;
UVData.Add(uv);
}
int x = header.num_xyz - header.num_st;
if (x > 0)
{
for (int i = 0; i < x; i++)
{
UVData.Add(new vec2(0));
}
}
indices = new List <int>();
br.BaseStream.Seek(header.ofs_tris, SeekOrigin.Begin);
for (int i = 0; i < header.num_tris; i++)
{
indices.Add(br.ReadUInt16());
indices.Add(br.ReadUInt16());
indices.Add(br.ReadUInt16());
br.ReadUInt16();
br.ReadUInt16();
br.ReadUInt16();
//loop on indices each 3 consecutive vertices compute normal
}
br.BaseStream.Seek(header.ofs_frames, SeekOrigin.Begin);
vVertices = new List <List <vec3> >();
vNormalsindex = new List <List <int> >();
vNormals = new List <List <vec3> >();
for (int i = 0; i < header.num_frames; i++)
{
br.BaseStream.Seek((header.ofs_frames + (i * header.framesize)), SeekOrigin.Begin);
vVertices.Add(new List <vec3>(header.num_xyz));
vNormalsindex.Add(new List <int>(header.num_xyz));
vNormals.Add(new List <vec3>(header.num_xyz));
vec3 scale = new vec3();
byte[] buffer;
buffer = br.ReadBytes(4);
scale.x = BitConverter.ToSingle(buffer, 0);
buffer = br.ReadBytes(4);
scale.y = BitConverter.ToSingle(buffer, 0);
buffer = br.ReadBytes(4);
scale.z = BitConverter.ToSingle(buffer, 0);
vec3 trans = new vec3();
buffer = br.ReadBytes(4);
trans.x = BitConverter.ToSingle(buffer, 0);
buffer = br.ReadBytes(4);
trans.y = BitConverter.ToSingle(buffer, 0);
buffer = br.ReadBytes(4);
trans.z = BitConverter.ToSingle(buffer, 0);
string name = new string(br.ReadChars(16));
List <vertex_t> vts = new List <vertex_t>();
for (int j = 0; j < header.num_xyz; j++)
{
vertex_t vt = new vertex_t();
vt.v = br.ReadBytes(3);
vt.lightnormalindex = br.ReadByte();
vts.Add(vt);
}
frame_t f = new frame_t();
f.scale = scale.to_array();
f.translate = trans.to_array();
f.name = name.ToCharArray();
f.verts = vts;
for (int j = 0; j < header.num_xyz; j++)
{
vVertices[i].Add(new vec3(0));
vNormals[i].Add(new vec3(0));
vVertices[i][j] = new vec3()
{
x = f.translate[0] + ((float)f.verts[j].v[0]) * f.scale[0],
y = f.translate[1] + ((float)f.verts[j].v[1]) * f.scale[1],
z = f.translate[2] + ((float)f.verts[j].v[2]) * f.scale[2]
};
vNormalsindex[i].Add(f.verts[j].lightnormalindex);
}
for (int j = 0; j < indices.Count - 3; j += 3)
{
vec3 n1 = vVertices[i][indices[j + 1]] - vVertices[i][indices[j]];
vec3 n2 = vVertices[i][indices[j + 2]] - vVertices[i][indices[j]];
vec3 normal = glm.cross(n1, n2);
vNormals[i][indices[j]] = normal;
vNormals[i][indices[j + 1]] = normal;
vNormals[i][indices[j + 2]] = normal;
}
}
Texture tex = null;
if (skins.Count > 1)
{
tex = new Texture(skins[1], 20, false);
}
else
{
FileInfo fi = new FileInfo(path);
string name = fi.Name;
int index = fi.FullName.IndexOf(name, StringComparison.CurrentCulture);
string filePath = "";
for (int i = 0; i < index; i++)
{
filePath += fi.FullName[i];
}
string[] extensions = { "jpg", "jpeg", "png", "bmp" };
for (int i = 0; i < 4; i++)
{
string stry = filePath + name.Split('.')[0] + "." + extensions[i];
tex = new Texture(stry, 20, false);
if (tex.width > 0)
{
break;
}
}
}
mVertices = vVertices[0];
m = new Model();
m.indices = indices;
m.texture = tex;
m.vertices = vVertices[0];
m.uvCoordinates = UVData;
m.normals = vNormals[0];
m.Initialize();
vs = new float[m.vertices.Count * 3];
ns = new float[m.vertices.Count * 3];
}
public void LoadModel(string path, bool flip = true)
{
FileStream stream = new FileStream(path, FileMode.Open, FileAccess.Read);
BinaryReader br = new BinaryReader(stream);
md2_t header = new md2_t();
header.ident = br.ReadInt32();
header.version = br.ReadInt32();
header.skinheight = br.ReadInt32();
header.skinwidth = br.ReadInt32();
header.framesize = br.ReadInt32();
header.num_skins = br.ReadInt32();
header.num_xyz = br.ReadInt32();
header.num_st = br.ReadInt32();
header.num_tris = br.ReadInt32();
header.num_glcmds = br.ReadInt32();
header.num_frames = br.ReadInt32();
header.ofs_skins = br.ReadInt32();
header.ofs_st = br.ReadInt32();
header.ofs_tris = br.ReadInt32();
header.ofs_frames = br.ReadInt32();
header.ofs_glcmds = br.ReadInt32();
header.ofs_end = br.ReadInt32();
br.BaseStream.Seek(header.ofs_skins, SeekOrigin.Begin);
skins = new List <string>();
for (int i = 0; i < header.num_skins; i++)
{
string s = new string(br.ReadChars(64));
skins.Add(s);
}
UVData = new List <vec2>();
br.BaseStream.Seek(header.ofs_st, SeekOrigin.Begin);
for (int i = 0; i < header.num_st; i++)
{
vec2 uv = new vec2();
uv.x = ((float)br.ReadInt16()) / header.skinwidth;
uv.y = ((float)br.ReadInt16()) / header.skinheight;
UVData.Add(uv);
}
int x = header.num_xyz - header.num_st;
if (x > 0)
{
for (int i = 0; i < x; i++)
{
UVData.Add(new vec2(0));
}
}
indices = new List <int>();
br.BaseStream.Seek(header.ofs_tris, SeekOrigin.Begin);
for (int i = 0; i < header.num_tris; i++)
{
indices.Add(br.ReadUInt16());
indices.Add(br.ReadUInt16());
indices.Add(br.ReadUInt16());
br.ReadUInt16();
br.ReadUInt16();
br.ReadUInt16();
//loop on indices each 3 consecutive vertices compute normal
}
br.BaseStream.Seek(header.ofs_frames, SeekOrigin.Begin);
vVertices = new List <List <vec3> >();
vNormalsindex = new List <List <int> >();
vNormals = new List <List <vec3> >();
for (int i = 0; i < header.num_frames; i++)
{
br.BaseStream.Seek((header.ofs_frames + (i * header.framesize)), SeekOrigin.Begin);
vVertices.Add(new List <vec3>(header.num_xyz));
vNormalsindex.Add(new List <int>(header.num_xyz));
vNormals.Add(new List <vec3>(header.num_xyz));
vec3 scale = new vec3();
byte[] buffer;
buffer = br.ReadBytes(4);
scale.x = BitConverter.ToSingle(buffer, 0);
buffer = br.ReadBytes(4);
scale.y = BitConverter.ToSingle(buffer, 0);
buffer = br.ReadBytes(4);
scale.z = BitConverter.ToSingle(buffer, 0);
vec3 trans = new vec3();
buffer = br.ReadBytes(4);
trans.x = BitConverter.ToSingle(buffer, 0);
buffer = br.ReadBytes(4);
trans.y = BitConverter.ToSingle(buffer, 0);
buffer = br.ReadBytes(4);
trans.z = BitConverter.ToSingle(buffer, 0);
string name = new string(br.ReadChars(16));
List <vertex_t> vts = new List <vertex_t>();
for (int j = 0; j < header.num_xyz; j++)
{
vertex_t vt = new vertex_t();
vt.v = br.ReadBytes(3);
vt.lightnormalindex = br.ReadByte();
vts.Add(vt);
}
frame_t f = new frame_t();
f.scale = scale.to_array();
f.translate = trans.to_array();
f.name = name.ToCharArray();
f.verts = vts;
for (int j = 0; j < header.num_xyz; j++)
{
vVertices[i].Add(new vec3(0));
vNormals[i].Add(new vec3(0));
vVertices[i][j] = new vec3()
{
x = f.translate[0] + ((float)f.verts[j].v[0]) * f.scale[0],
y = f.translate[1] + ((float)f.verts[j].v[1]) * f.scale[1],
z = f.translate[2] + ((float)f.verts[j].v[2]) * f.scale[2]
};
vNormalsindex[i].Add(f.verts[j].lightnormalindex);
}
for (int j = 0; j < indices.Count - 3; j += 3)
{
vec3 n1 = vVertices[i][indices[j + 1]] - vVertices[i][indices[j]];
vec3 n2 = vVertices[i][indices[j + 2]] - vVertices[i][indices[j]];
vec3 normal = glm.cross(n1, n2);
vNormals[i][indices[j]] = normal;
vNormals[i][indices[j + 1]] = normal;
vNormals[i][indices[j + 2]] = normal;
}
}
Texture tex = null;
if (skins.Count > 1)
{
tex = new Texture(skins[1], 20, true);
}
else
{
FileInfo fi = new FileInfo(path);
string name = fi.Name;
int index = fi.FullName.IndexOf(name, StringComparison.CurrentCulture);
string filePath = "";
for (int i = 0; i < index; i++)
{
filePath += fi.FullName[i];
}
string[] extensions = { "jpg", "jpeg", "png", "bmp" };
for (int i = 0; i < 4; i++)
{
string stry = filePath + name.Split('.')[0] + "." + extensions[i];
tex = new Texture(stry, 20, true);
if (tex.width > 0)
{
break;
}
}
}
br.BaseStream.Seek(header.ofs_glcmds, SeekOrigin.Begin);
List <int> cmds = new List <int>();
renderModes = new List <int>();
numRenderVertices = new List <int>();
anotherUV = new List <vec2>();
AvVertices = new List <List <vec3> >();
AvNormals = new List <List <vec3> >();
CvNormals = new List <vec3>();
CvVertices = new List <vec3>();
vec3 maxx = new vec3(int.MinValue, 0, 0);
vec3 maxy = new vec3(0, int.MinValue, 0);
vec3 maxz = new vec3(0, 0, int.MinValue);
vec3 minz = new vec3(0, 0, int.MaxValue);
vec3 minx = new vec3(int.MaxValue, 0, 0);
vec3 miny = new vec3(0, int.MaxValue, 0);
for (int j = 0; j < header.num_frames; j++)
{
AvVertices.Add(new List <vec3>());
AvNormals.Add(new List <vec3>());
}
for (int i = 0; i < header.num_glcmds; i++)
{
cmds.Add(br.ReadInt32());
}
int k = 0;
while (true)
{
int action;
if (cmds.Count > 0)
{
action = cmds[k];
if (action == 0)
{
break;
}
}
else
{
action = 1;
}
int renderMode = action < 0 ? Gl.GL_TRIANGLE_FAN : Gl.GL_TRIANGLE_STRIP;
int numVertices = action < 0 ? -action : action;
k++;
renderModes.Add(renderMode);
numRenderVertices.Add(numVertices);
for (int i = 0; i < numVertices; i++)
{
unsafe
{
int sd = cmds[k++];
int td = cmds[k++];
float s = *((float *)(&sd));
float t = *((float *)(&td));
if (flip)
{
t = 1 - t;
}
int vi = cmds[k++];
anotherUV.Add(new vec2(s, t));
for (int j = 0; j < header.num_frames; j++)
{
if (vVertices[j][vi].x < minx.x)
{
minx = vVertices[j][vi];
}
if (vVertices[j][vi].y < miny.y)
{
miny = vVertices[j][vi];
}
if (vVertices[j][vi].z < minz.z)
{
minz = vVertices[j][vi];
}
if (vVertices[j][vi].x > maxx.x)
{
maxx = vVertices[j][vi];
}
if (vVertices[j][vi].y > maxy.y)
{
maxy = vVertices[j][vi];
}
if (vVertices[j][vi].z > maxz.z)
{
maxz = vVertices[j][vi];
}
AvVertices[j].Add(vVertices[j][vi]);
AvNormals[j].Add(vNormals[j][vi]);
CvVertices.Add(new vec3(0, 0, 0));
CvNormals.Add(new vec3(0, 0, 0));
}
}
}
}
minxyz = new vec3(minx.x, miny.y, minz.z);
maxxyz = new vec3(maxx.x, maxy.y, maxz.z);
mVertices = vVertices[0];
m = new Model();
m.indices = indices;
m.texture = tex;
m.vertices = vVertices[0];
m.uvCoordinates = UVData;
m.normals = vNormals[0];
vs = new float[AvVertices[0].Count * 3];
ns = new float[AvNormals[0].Count * 3];
if (AvVertices.Count > 0)
{
vertexBufferID = GPU.GenerateBuffer(AvVertices[0]);
}
if (AvNormals.Count > 0)
{
normalBufferID = GPU.GenerateBuffer(AvNormals[0]);
}
if (anotherUV.Count > 0)
{
uvBufferID = GPU.GenerateBuffer(anotherUV);
}
}