} //places Model at start of list
public bool addModel(OpenGLModel mod, int idx)
{
if (mod == null)
{
return(false);
}
ml.Insert(idx, mod); return(true);
} //place Models with transparent textures last
public bool Save(OpenGLModel model, IOStream os)
{
try {
saveJF3D(model, os);
return(true);
} catch (Exception e) {
Console.WriteLine("Error:" + e.ToString());
return(false);
}
}
/** Clones a pre-loaded model.
* Use addModel() to add into the render scene.
*/
public OpenGLModel CloneModel(String fn)
{
OpenGLModel mod = mtl.Get(fn);
if (mod == null)
{
return(null);
}
mod.refcnt++;
return((OpenGLModel)mod.Clone());
}
public bool Save(OpenGLModel model, String filename)
{
try {
File fos = new File(filename);
saveJF3D(model, fos);
fos.Close();
return(true);
} catch (Exception e) {
Console.WriteLine("Error:" + e.ToString());
return(false);
}
}
/**
* Clones deep enough so that the cloned object will include seperate GLObjects, but share vertex, vertex point,
* and animation data (except for the frame position).
*/
public OpenGLModel Clone()
{
OpenGLModel c = new OpenGLModel((Matrix4x4)m.Clone());
int objs = ol.Size();
for (int a = 0; a < objs; a++)
{
c.ol.Add((OpenGLObject)ol.Get(a).Clone());
}
c.textures = textures;
return(c);
}
private void saveJF3D(OpenGLModel model, IOStream os)
{
baos = new ByteArrayStream();
tmp = new byte[8];
int size;
writeuint32(MAGIC);
writeuint32(VERSION);
writeuint32(ID_MODEL);
size = 0;
int tcnt = model.textures.Size();
for (int a = 0; a < tcnt; a++)
{
size += model.textures.Get(a).Length + 1;
}
writeuint32(size);
writeuint32(tcnt);
for (int a = 0; a < tcnt; a++)
{
writeString(model.textures.Get(a));
}
for (int o = 0; o < model.ol.Size(); o++)
{
OpenGLObject obj = model.ol.Get(o);
writeuint32(ID_OBJECT);
int vcnt = obj.GetVertexCount() * 3;
int pcnt = obj.GetPolyCount();
size = obj.GetName().Length + 1 + 4 + (4 * 3) + (4 + (vcnt * 4)) + (4 + (pcnt * 4));
writeuint32(size);
writeString(obj.GetName());
writeuint32(obj.GetType());
writefloat(obj.GetOrigin().x);
writefloat(obj.GetOrigin().y);
writefloat(obj.GetOrigin().z);
writeuint32(vcnt / 3);
float[] xyz = obj.GetVertexBuffer();
for (int a = 0; a < vcnt; a++)
{
writefloat(xyz[a]);
}
switch (obj.GetType())
{
case GL_TRIANGLES:
writeuint32(pcnt / 3);
break;
case GL_QUADS:
writeuint32(pcnt / 4);
break;
}
int[] pts = obj.GetPolyBuffer();
for (int a = 0; a < pcnt; a++)
{
writeuint32(pts[a]);
}
int maps = obj.GetUVMaps().Size();
if (maps == 0)
{
Console.WriteLine("GL_JF3D:Warning:No UVMaps found for object:" + obj.GetName());
}
for (int m = 0; m < maps; m++)
{
OpenGLUVMap map = obj.GetUVMaps().Get(m);
writeuint32(ID_UVMAP);
int uvcnt = map.GetUVCount() * 2;
size = map.GetName().Length + 1 + 4 + (4 + (uvcnt * 4));
writeuint32(size);
writeString(map.GetName());
writeuint32(map.GetTextureIndex());
writeuint32(uvcnt / 2);
float[] uv = map.GetBuffer();
for (int a = 0; a < uvcnt; a++)
{
writefloat(uv[a]);
}
}
}
os.Write(baos.GetData().ToArray());
}
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);
}
public void UnloadModel(OpenGLModel mod)
{
mod.refcnt--;
}
public void removeModel(OpenGLModel mod)
{
ml.Remove(mod);
}
} //place Models with transparent textures last
public int indexOfModel(OpenGLModel mod)
{
return(ml.IndexOf(mod));
}
public bool addModel(OpenGLModel mod)
{
return(addModel(mod, 0));
} //places Model at start of list
private OpenGLModel loadBlend(IOStream fis)
{
setData(fis.ReadAll().ToArray());
if (data.Length < 12)
{
throw new Exception("GL_BLEND:File too small");
}
model = new OpenGLModel();
//load signature (12 bytes) "BLENDER_V100"
if (!new String(data, 0, 7).Equals("BLENDER"))
{
throw new Exception("Not a blender file");
}
switch ((char)data[7])
{
case '-': x64 = true; break;
case '_': x64 = false; break;
default:
throw new Exception("GL_BLEND:Unknown bit size");
}
switch ((char)data[8])
{
case 'v': le = true; break;
case 'V': le = false; break;
default:
throw new Exception("GL_BLEND:Unknown Endianness");
}
String version = new String(data, 9, 3);
// Console.WriteLine("Blender file version:" + version);
int ver = Int32.ValueOf(version);
if (ver < 263)
{
throw new Exception("Error:Blender file too old, can not read.");
}
datapos = 12; //skip main header
//first phase - read raw chunks
while (!eof())
{
BlendChunk chunk = new BlendChunk(this);
chunk.filepos = datapos;
chunk.read();
BlendChunk ochunk = chunks.Get(chunk.ptr);
if (ochunk != null)
{
if (!haveDups)
{
Console.WriteLine("Warning:This file contains duplicate BHeads.");
haveDups = true;
}
ochunk.dup = true;
while (ochunk.nextdup != null)
{
ochunk = ochunk.nextdup;
}
ochunk.nextdup = chunk;
}
else
{
chunks.Set(chunk.ptr, chunk);
}
}
int chunkCnt = chunks.Size();
BlendChunk[] chunkArray = chunks.Values();
BlendChunk raw;
//2nd phase - parse DNA chunk
for (int i = 0; i < chunkCnt; i++)
{
if (chunkArray[i].id == ID_DNA1)
{
raw = chunkArray[i];
setData(raw.raw);
//SDNA
String SDNA = readString(4);
if (!SDNA.Equals("SDNA"))
{
throw new Exception("Bad DNA Struct:SDNA");
}
//NAME
String NAME = readString(4);
if (!NAME.Equals("NAME"))
{
throw new Exception("Bad DNA Struct:NAME");
}
int nr_names = readuint32();
for (int a = 0; a < nr_names; a++)
{
String str = readString();
// Console.WriteLine("name=" + str);
names.Add(str);
}
//align pointer
datapos += 3;
datapos &= 0x7ffffffc;
//TYPE
String TYPE = readString(4);
if (!TYPE.Equals("TYPE"))
{
throw new Exception("Bad DNA Struct:TYPE");
}
int nr_types = readuint32();
for (int a = 0; a < nr_types; a++)
{
String str = readString();
// Console.WriteLine("type=" + str);
types.Add(str);
}
//align pointer
datapos += 3;
datapos &= 0x7ffffffc;
//TLEN
String TLEN = readString(4);
if (!TLEN.Equals("TLEN"))
{
throw new Exception("Bad DNA Struct:TLEN");
}
for (int a = 0; a < nr_types; a++)
{
typelen.Add(readuint16());
}
//align pointer
datapos += 3;
datapos &= 0x7ffffffc;
//STRC
String STRC = readString(4);
if (!STRC.Equals("STRC"))
{
throw new Exception("Bad DNA Struct:STRC");
}
int nr_structs = readuint32();
for (int a = 0; a < nr_structs; a++)
{
BlendStruct s = new BlendStruct();
s.typeidx = readuint16();
s.nr = readuint16();
s.name = types.Get(s.typeidx);
// Console.WriteLine("Struct:" + s.name + "==" + a);
for (int b = 0; b < s.nr; b++)
{
BlendMember m = new BlendMember();
m.typelenidx = readuint16();
m.nameidx = readuint16();
m.name = names.Get(m.nameidx);
m.typelen = typelen.Get(m.typelenidx);
m.size = calcMemberSize(m);
// Console.WriteLine(" Member:" + m.name + "=" + m.Length);
s.members.Add(m);
}
structs.Add(s);
}
break;
}
}
//3nd phase - now look for objects and piece together chunks
for (int i = 0; i < chunkCnt; i++)
{
if (chunkArray[i].id == ID_SC)
{
setData(chunkArray[i].raw);
BlendScene OpenGLScene = new BlendScene(this);
OpenGLScene.read();
long ptr = OpenGLScene.last;
while (ptr != 0)
{
BlendChunk chunk = findChunkByPtr(ptr);
if (chunk == null)
{
break;
}
setData(chunk.raw);
BlendBase _base = new BlendBase(this);
_base.read();
chunk = findChunkByPtr(_base.bobject);
if (chunk.id == ID_OB)
{
readObject(chunk);
}
ptr = _base.prev;
}
}
}
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);
}
