private void readObject(BlendChunk chunk)
{
List <BlendVertex> vertexList = new List <BlendVertex>();
List <int> loopList = new List <int>();
setData(chunk.raw);
BlendObject bObj = new BlendObject(this);
bObj.read();
// Console.WriteLine("bobject.type=" + bObj.type);
if (bObj.type != 1)
{
return; //not a mesh bobject (could be camera, light, etc.)
}
obj = new OpenGLObject();
model.AddObject(obj);
obj.SetName(bObj.id.name.Substring(2));
// Console.WriteLine("bobject=" + obj.name);
chunk = findChunkByPtr(bObj.data);
if (chunk == null)
{
throw new Exception("GL_BLEND:Unable to find Mesh for Object");
}
BlendMesh mesh = new BlendMesh(this);
setData(chunk.raw);
// Console.WriteLine("Mesh@" + Int32.toString(raw.fileOffset, 16));
mesh.read();
obj.GetOrigin().x = bObj.loc[0];
org[0] = bObj.loc[0];
obj.GetOrigin().y = bObj.loc[1];
org[1] = bObj.loc[1];
obj.GetOrigin().z = bObj.loc[2];
org[2] = bObj.loc[2];
//find mvert
chunk = findChunkByPtr(mesh.mvert);
if (chunk == null)
{
throw new Exception("GL_BLEND:Unable to find MVert for Mesh");
}
setData(chunk.raw);
for (int a = 0; a < chunk.nr; a++)
{
BlendMVert mvert = new BlendMVert(this);
mvert.read();
// obj.AddVertex(mvert.co);
BlendVertex v = new BlendVertex();
v.xyz = mvert.v;
vertexList.Add(v);
}
//find mloop
chunk = findChunkByPtr(mesh.mloop);
if (chunk == null)
{
throw new Exception("GL_BLEND:Unable to find MLoop for Mesh");
}
setData(chunk.raw);
for (int a = 0; a < chunk.nr; a++)
{
BlendMLoop mloop = new BlendMLoop(this);
mloop.read();
loopList.Add(mloop.v);
}
//find mloopuv
/* //use the UVMaps _in the CustomData instead - this fis only the active one
* raw = findChunkByPtr(mesh.mloopuv);
* if (raw == null) {
* throw new Exception("GL_BLEND:Unable to find MLoopUV for Mesh");
* }
* setData(raw.raw);
* Console.WriteLine("MLoopUV:nr=" + raw.nr);
* for(int a=0;a<raw.nr;a++) {
* MLoopUV mloopuv = new MLoopUV();
* mloopuv.read();
* }
*/
//find mpoly
chunk = findChunkByPtr(mesh.mpoly);
if (chunk == null)
{
throw new Exception("GL_BLEND:Unable to find MPoly for Mesh");
}
setData(chunk.raw);
//TODO : calc which vertex needed to be dup'ed for each unique uv value (Blender does this _in their 3ds export script)
int type = -1;
int pcnt = -1;
int vidx = 0;
//MPoly = faces
for (int a = 0; a < chunk.nr; a++)
{
BlendMPoly mpoly = new BlendMPoly(this);
mpoly.read();
switch (mpoly.totloop)
{
case 3:
if (type == GL_QUADS)
{
throw new Exception("GL_BLEND:Mixed QUADS/TRIANGLES not supported");
}
type = GL_TRIANGLES;
pcnt = 3;
break;
case 4:
if (type == GL_TRIANGLES)
{
throw new Exception("GL_BLEND:Mixed QUADS/TRIANGLES not supported");
}
type = GL_QUADS;
pcnt = 4;
break;
default:
throw new Exception("GL_BLEND:Polygon not supported:nr=" + mpoly.totloop);
}
int loopidx = mpoly.loopstart;
for (int p = 0; p < pcnt; p++)
{
int idx = loopList.Get(loopidx++);
obj.AddVertex(vertexList.Get(idx).xyz);
obj.AddPoly(new int[] { vidx++ });
}
}
obj.SetType(type);
//find customdata types
readLayer(mesh.vdata.layers, "vdata");
readLayer(mesh.edata.layers, "edata");
readLayer(mesh.fdata.layers, "fdata");
readLayer(mesh.pdata.layers, "pdata");
readLayer(mesh.ldata.layers, "ldata");
}
private OpenGLModel loadJF3D(IOStream fis)
{
datapos = 0;
fis.Open(OpenMode.ReadOnly);
data = fis.ReadAll().ToArray();
int magic = readuint32();
if (magic != MAGIC)
{
throw new Exception("GL_JF3D:Not JF3D file");
}
int version = readuint32();
if (version < VERSION)
{
throw new Exception("GL_JF3D:Bad version");
}
int fcnt, pcnt, vcnt, uvcnt;
OpenGLUVMap map;
while (!eof())
{
int head_id = readuint32();
int head_len = readuint32();
skip = head_len;
int head_ver = head_id & 0xffff;
head_id &= 0x7fff0000;
switch (head_id)
{
case ID_MODEL:
if (model != null)
{
throw new Exception("GL_JF3D:Multiple Model chunks found");
}
model = new OpenGLModel();
fcnt = readuint32();
for (int a = 0; a < fcnt; a++)
{
String txt = readString();
model.textures.Add(txt);
// Console.WriteLine("Texture=" + txt);
}
if (head_ver > 0)
{
//future reserved
}
break;
case ID_OBJECT:
obj = new OpenGLObject();
model.AddObject(obj);
obj.SetName(readString());
obj.SetType(readuint32());
obj.GetOrigin().x = readfloat();
obj.GetOrigin().y = readfloat();
obj.GetOrigin().z = readfloat();
vcnt = readuint32(); //vertex count
for (int v = 0; v < vcnt; v++)
{
float fx = readfloat();
float fy = readfloat();
float fz = readfloat();
obj.AddVertex(new float[] { fx, fy, fz });
}
pcnt = readuint32(); //poly count
switch (obj.GetType())
{
case GL_TRIANGLES:
pcnt *= 3;
break;
case GL_QUADS:
pcnt *= 4;
break;
default:
Console.WriteLine("GL_JF3D:Error Unknown GL Type:" + obj.GetType());
return(null);
}
for (int p = 0; p < pcnt; p++)
{
int pt = readuint32();
if (pt >= vcnt)
{
Console.WriteLine("Error:Poly includes invalid vertex !!!");
}
obj.AddPoly(new int[] { pt });
}
break;
case ID_UVMAP:
map = obj.CreateUVMap();
map.SetName(readString());
map.SetTextureIndex(readuint32());
uvcnt = readuint32();
if (uvcnt != obj.GetVertexCount())
{
Console.WriteLine("Warning:UVMAP size != vertex count");
}
for (int i = 0; i < uvcnt; i++)
{
float u = readfloat();
float v = readfloat();
map.Add(new float[] { u, v });
}
break;
default:
break;
}
if (skip > 0)
{
datapos += skip;
}
}
return(model);
}
private OpenGLModel load3ds(IOStream fis)
{
OpenGLObject obj = null;
int head_id;
int head_len;
int _siz;
float[] _float;
int[] _pts;
bool done_vertex = false;
bool done_pts = false;
int vertexidx = -1;
int vertexcnt = -1;
String name;
List <OpenGL3DS_Material> matlist; //materials (objects refer to material name)
List <String> objlist; //object names (keyframe data refers to object name)
String objname = "";
int objidx = -1;
OpenGL3DS_Material mat;
String matname = "", fn;
int a, b, keys, u32;
bool ok;
int u16;
OpenGLTranslate trans;
OpenGLRotate rot;
OpenGLScale scale;
OpenGLModel mod;
OpenGLUVMap map;
int mapidx = -1;
int skip = 0;
int parent;
int frameno;
int s;
datapos = 0;
fis.Open(OpenMode.ReadOnly);
data = fis.ReadAll().ToArray();
matlist = new List <OpenGL3DS_Material>();
objlist = new List <String>();
mod = new OpenGLModel();
while (!eof())
{
head_id = readuint16();
head_len = readuint32();
if (head_len == -1)
{
break; //this does happen in some files
}
if (head_len < 6)
{
throw new Exception("head_len < 6 (" + head_len + ")"); //bad file
}
head_len -= 6;
switch (head_id)
{
case 0x4d4d: //main chunk
break;
case 0x3d3d: //mesh chunk
break;
case 0xafff: //material chunk
matname = "";
break;
case 0xa000: //material chunk name
matname = readname(head_len);
break;
case 0xa200: //texture details
break;
case 0xa300: //texture filename
mat = new OpenGL3DS_Material();
fn = readname(head_len);
mat.name = matname;
mat.filename = fn;
matlist.Add(mat);
break;
case 0x4000: //object chunk
objname = readname(-1); //don't skip the whole chunk
if (debug)
{
Console.WriteLine("obj=" + objname);
}
done_vertex = false;
done_pts = false;
break;
case 0x4100: //triangular object chunk
break;
case 0x4110: //vertex list of a polygon
skip = head_len;
if (done_vertex)
{
Console.WriteLine("Warning : 2 vertex lists found for 1 object?"); break;
}
obj = new OpenGLObject();
obj.SetType(GL_TRIANGLES); //3ds only supports triangles
obj.SetName(objname);
mapidx = -1;
mod.ol.Add(obj);
objlist.Add(objname);
_siz = readuint16();
skip -= 2;
vertexidx = obj.GetVertexCount() * 3;
vertexcnt = _siz;
if (_siz == 0)
{
break;
}
_float = new float[_siz * 3];
for (a = 0; a < _siz; a++)
{
for (b = 0; b < 3; b++)
{
_float[a * 3 + b] = readfloat();
skip -= 4;
}
if (debug)
{
// Console.WriteLine(String.format("v=%3.3f,%3.3f,%3.3f", _float[a*3+0] , _float[a*3+1] , _float[a*3+2]));
}
}
obj.AddVertex(_float);
_float = null;
done_vertex = true;
break;
case 0x4120: //Points list
_siz = readuint16();
skip = _siz * 2 * 4;
if (!done_vertex)
{
Console.WriteLine("Warning : pts list before vertex list?"); break;
}
if (done_pts)
{
Console.WriteLine("Warning : 2 pts lists found for 1 object?"); break;
}
if (_siz == 0)
{
break;
}
_pts = new int[3]; //p1,p2,p3,flgs per triangle
for (a = 0; a < _siz; a++)
{
for (b = 0; b < 3; b++)
{
_pts[b] = (short)readuint16();
skip -= 2;
}
readuint16(); //skip flgs
skip -= 2;
obj.AddPoly(_pts);
if (debug)
{
Console.WriteLine("p=" + _pts[0] + "," + _pts[1] + "," + _pts[2]);
}
}
_pts = null;
done_pts = true;
break;
case 0x4130: //object material name
name = readname(head_len);
mapidx++;
map = obj.CreateUVMap();
map.SetName("uvmap" + mapidx);
if (obj != null)
{
//find name in matlist
ok = false;
for (a = 0; a < matlist.Size(); a++)
{
if (matlist.Get(a).name.Equals(name))
{
int idx = mod.AddTexture(matlist.Get(a).filename);
map.SetTextureIndex(idx);
ok = true;
break;
}
}
// if (!ok) throw new Exception("0x4130 : object material name not found in list : " + name);
}
if (debug)
{
Console.WriteLine("mat=" + map.GetTextureIndex());
}
break;
case 0x4140: //texture vertex list (UV)
_siz = readuint16();
skip = _siz * 2 * 4;
if (!done_vertex)
{
Console.WriteLine("Warning:Texture coords (UV) list before vertex list"); break;
}
if (_siz != vertexcnt)
{
Console.WriteLine("Warning:texture list siz != vertex list siz"); break;
}
if (_siz == 0)
{
break;
}
_float = new float[2];
for (a = 0; a < _siz; a++)
{
_float[0] = readfloat(); //U fis okay
skip -= 4;
_float[1] = 1.0f - readfloat(); //V must be inverted
skip -= 4;
obj.AddUV(_float, mapidx);
if (debug)
{
// Console.WriteLine(String.format("t=%3.3f,%3.3f", _float[0] , _float[1]));
}
}
_float = null;
break;
case 0x4160: //obj matrix
//read in 3x3 matrix and show for now
s = 0; //padding to convert to 4x4 matrix
for (a = 0; a < 3 * 3; a++)
{
u32 = readuint32();
if ((a > 0) && (a % 3 == 0))
{
s++;
}
//not sure what this matrix fis for??? But I don't seem to need it
// obj.m.m[a+s] = readfloat();
// if (debug) Console.WriteLine("m=" + obj.m.m[a+s]);
}
obj.GetOrigin().x = readfloat();
obj.GetOrigin().y = readfloat();
obj.GetOrigin().z = readfloat();
if (debug)
{
Console.WriteLine("pos=" + obj.GetOrigin().x + "," + obj.GetOrigin().y + "," + obj.GetOrigin().z);
}
break;
case 0xb000: //keyframe header
break;
case 0xb002: //object node chunk
objidx = -1;
break;
case 0xb010: //keyframe object name
name = readname(-1);
readuint16(); //f1
readuint16(); //f2
parent = readuint16(); //parent
//find name in objlist
objidx = 0;
ok = false;
for (a = 0; a < objlist.Size(); a++)
{
if (objlist.Get(a).Equals(name))
{
ok = true;
break;
}
objidx++;
}
if (!ok)
{
objidx = -1;
}
else
{
obj = mod.ol.Get(objidx);
if (parent != 65535)
{
obj.SetParent(parent);
}
obj = null;
}
//Console.WriteLine("0xb010 : name=" + name + ":objidx=" + objidx + ":parent=" + parent);
break;
case 0xb020: //keyframe pos
skip = head_len;
if (objidx == -1)
{
break;
}
obj = mod.ol.Get(objidx);
u16 = readuint16(); //flgs
skip -= 2;
u32 = readuint32(); //r1
skip -= 4;
u32 = readuint32(); //r2
skip -= 4;
keys = readuint32(); //keys
skip -= 4;
_float = new float[3];
for (a = 0; a < keys; a++)
{
frameno = readuint32(); //frame #
skip -= 4;
u16 = readuint16(); //flgs
skip -= 2;
u32 = 0;
if ((u16 & _3DS_FLG_TENSION) != 0)
{
u32++;
}
if ((u16 & _3DS_FLG_CONTINUITY) != 0)
{
u32++;
}
if ((u16 & _3DS_FLG_BIAS) != 0)
{
u32++;
}
if ((u16 & _3DS_FLG_EASE_TO) != 0)
{
u32++;
}
if ((u16 & _3DS_FLG_EASE_FROM) != 0)
{
u32++;
}
if (u32 > 0)
{
datapos += u32 * 4; //all ignored
skip -= u32 * 4;
}
trans = new OpenGLTranslate();
for (b = 0; b < 3; b++)
{
_float[b] = readfloat();
skip -= 4;
}
trans.x = _float[0];
trans.y = _float[1];
trans.z = _float[2];
//Console.WriteLine("pos["+frameno+"]:"+pos.x+","+pos.y+","+pos.z+":flgs="+u16);
obj.GetTranslateMap().Set(frameno, trans);
if (obj.GetMaxFrameCount() < frameno)
{
obj.SetMaxFrameCount(frameno);
}
}
_float = null;
obj = null;
break;
case 0xb021: //keyframe rotate
skip = head_len;
if (objidx == -1)
{
break;
}
obj = mod.ol.Get(objidx);
u16 = readuint16(); //flgs
skip -= 2;
u32 = readuint32(); //r1
skip -= 4;
u32 = readuint32(); //r2
skip -= 4;
keys = readuint32(); //keys
skip -= 4;
_float = new float[4];
for (a = 0; a < keys; a++)
{
frameno = readuint32(); //frame #
skip -= 4;
u16 = readuint16(); //flgs
skip -= 2;
u32 = 0;
if ((u16 & _3DS_FLG_TENSION) != 0)
{
u32++;
}
if ((u16 & _3DS_FLG_CONTINUITY) != 0)
{
u32++;
}
if ((u16 & _3DS_FLG_BIAS) != 0)
{
u32++;
}
if ((u16 & _3DS_FLG_EASE_TO) != 0)
{
u32++;
}
if ((u16 & _3DS_FLG_EASE_FROM) != 0)
{
u32++;
}
if (u32 > 0)
{
datapos += u32 * 4; //all ignored
skip -= u32 * 4;
}
rot = new OpenGLRotate();
for (b = 0; b < 4; b++)
{
_float[b] = readfloat();
skip -= 4;
}
rot.angle = _float[0] * 57.2957795f; //convert to degrees
rot.x = _float[1];
rot.y = _float[2];
rot.z = _float[3];
//Console.WriteLine("rot["+frameno+"]:"+rot.angle+","+rot.x+","+rot.y+","+rot.z+":flgs="+u16);
obj.GetRotateMap().Set(frameno, rot);
if (obj.GetMaxFrameCount() < frameno)
{
obj.SetMaxFrameCount(frameno);
}
}
_float = null;
obj = null;
break;
case 0xb022: //keyframe scale
skip = head_len;
if (objidx == -1)
{
break;
}
obj = mod.ol.Get(objidx);
u16 = readuint16(); //flgs
skip -= 2;
u32 = readuint32(); //r1
skip -= 4;
u32 = readuint32(); //r2
skip -= 4;
keys = readuint32(); //keys
skip -= 4;
_float = new float[3];
for (a = 0; a < keys; a++)
{
frameno = readuint32(); //frame #
skip -= 4;
u16 = readuint16(); //flgs
skip -= 2;
u32 = 0;
if ((u16 & _3DS_FLG_TENSION) != 0)
{
u32++;
}
if ((u16 & _3DS_FLG_CONTINUITY) != 0)
{
u32++;
}
if ((u16 & _3DS_FLG_BIAS) != 0)
{
u32++;
}
if ((u16 & _3DS_FLG_EASE_TO) != 0)
{
u32++;
}
if ((u16 & _3DS_FLG_EASE_FROM) != 0)
{
u32++;
}
if (u32 > 0)
{
datapos += u32 * 4; //all ignored
skip -= u32 * 4;
}
scale = new OpenGLScale();
for (b = 0; b < 3; b++)
{
_float[b] = readfloat();
skip -= 4;
}
scale.x = _float[0];
scale.y = _float[1];
scale.z = _float[2];
//Console.WriteLine("scale["+frameno+"]:"+scale.x+","+scale.y+","+scale.z+":flgs="+u16);
obj.GetScaleMap().Set(frameno, scale);
if (obj.GetMaxFrameCount() < frameno)
{
obj.SetMaxFrameCount(frameno);
}
}
_float = null;
obj = null;
break;
default:
skip = head_len;
break;
}
if (skip > 0)
{
datapos += skip;
skip = 0;
}
}
//setup any lights
_siz = mod.ol.Size();
for (a = 0; a < _siz; a++)
{
obj = mod.ol.Get(a);
}
//delete temp lists
matlist.Clear();
objlist.Clear();
return(mod);
}