public bool readMD3Frame(ByteFileReader r)
{
mins = r.readVec3();
maxs = r.readVec3();
localOrigin = r.readVec3();
radius = r.readFloat();
name = r.readFixedString(16);
return(false);
}
public void readMD3FrameVerts(ByteFileReader r, int vertexCount)
{
for (int i = 0; i < vertexCount; i++)
{
MD3Vertex v = new MD3Vertex();
v.readMD3Vertex(r);
verts.Add(v);
}
}
public bool readMD3Tag(ByteFileReader r)
{
tagName = r.readFixedString(64);
origin = r.readVec3();
this.f = r.readVec3();
this.r = r.readVec3();
this.u = r.readVec3();
return(false);
}
public bool readMD3Surface(ByteFileReader r)
{
long surfaceDataStart = r.getPos();
int ident = r.readInt();
surfName = r.readFixedString(64);
flags = r.readInt();
int numFrames = r.readInt();
int numMaterials = r.readInt();
int numVerts = r.readInt();
int numTris = r.readInt();
int ofsTris = r.readInt();
int ofsMaterials = r.readInt();
int ofsTexCoords = r.readInt();
int ofsXYZNormals = r.readInt();
int ofsEnd = r.readInt();
// read material names
r.setPos(surfaceDataStart + ofsMaterials);
for (int i = 0; i < numMaterials; i++)
{
string matName = r.readFixedString(64);
int dummy = r.readInt();
materials.Add(matName);
}
// read indices (triangles)
r.setPos(surfaceDataStart + ofsTris);
for (int i = 0; i < numTris; i++)
{
int i0 = r.readInt();
int i1 = r.readInt();
int i2 = r.readInt();
indices.Add(i0);
indices.Add(i1);
indices.Add(i2);
}
// read texture coordinates
r.setPos(surfaceDataStart + ofsTexCoords);
for (int i = 0; i < numVerts; i++)
{
Vec2 tc = r.readVec2();
texCoords.Add(tc);
}
r.setPos(surfaceDataStart + ofsXYZNormals);
// read vertices of all frames
for (int i = 0; i < numFrames; i++)
{
MD3SurfVertsFrame sfVerts = new MD3SurfVertsFrame();
sfVerts.readMD3FrameVerts(r, numVerts);
frameVerts.Add(sfVerts);
}
r.setPos(surfaceDataStart + ofsEnd);
return(false);
}
public bool loadMD3Model(string fileName)
{
this.fileName = fileName;
ByteFileReader r = new ByteFileReader();
if (r.beginReading(fileName))
{
return(true);
}
char [] ident = new char[4];
r.readCharacters(ident, 4);
int version = r.readInt();
internalName = r.readFixedString(64);
flags = r.readInt();
int numFrames = r.readInt();
int numTags = r.readInt();
int numSurfs = r.readInt();
int numSkins = r.readInt();
int ofsFrames = r.readInt();
int ofsTags = r.readInt();
int ofsSurfs = r.readInt();
int ofsEnd = r.readInt();
r.setPos(ofsFrames);
for (int i = 0; i < numFrames; i++)
{
MD3Frame f = new MD3Frame();
f.readMD3Frame(r);
frames.Add(f);
}
r.setPos(ofsTags);
for (int i = 0; i < numTags; i++)
{
MD3Tag t = new MD3Tag();
t.readMD3Tag(r);
tags.Add(t);
}
r.setPos(ofsSurfs);
for (int i = 0; i < numSurfs; i++)
{
MD3Surface s = new MD3Surface();
s.readMD3Surface(r);
surfaces.Add(s);
}
return(false);
}
public void readMD3Vertex(ByteFileReader r)
{
short x = r.readShort();
short y = r.readShort();
short z = r.readShort();
xyz = new Vec3(x * 0.015625, y * 0.015625, z * 0.015625);
byte lat = r.readByte();
byte lng = r.readByte();
double aLat = lat * (2.0 * Math.PI) / 255.0;
double aLng = lng * (2.0 * Math.PI) / 255.0;
double nX = Math.Cos(aLat) * Math.Sin(aLng);
double nY = Math.Sin(aLat) * Math.Sin(aLng);
double nZ = Math.Cos(aLng);
normal = new Vec3(nX, nY, nZ);
}
