void L3DS::ReadFaceList(const LChunk &chunk, LMesh &mesh)
{
// variables
unsigned short count, t;
uint i;
LTri tri;
LChunk ch;
char str[20];
//uint mat;
// consistency checks
if (chunk.id != TRI_FACELIST)
{
ErrorMsg("L3DS::ReadFaceList - internal error: wrong chunk passed as parameter");
return;
}
GotoChunk(chunk);
tri.smoothingGroups = 1;
// read the number of faces
count = ReadShort();
mesh.SetTriangleArraySize(count);
for (i=0; i<count; i++)
{
tri.a = ReadShort();
tri.b = ReadShort();
tri.c = ReadShort();
ReadShort();
mesh.SetTri(tri, i);
}
// now read the optional chunks
ch = ReadChunk();
int mat_id;
while (ch.end <= chunk.end)
{
switch (ch.id)
{
case TRI_MAT_GROUP:
ReadASCIIZ(str, 20);
mat_id=0;
if (FindMaterial(str)!=NULL)
mat_id = FindMaterial(str)->GetID();
mesh.AddMaterial(mat_id);
count = ReadShort();
for (i=0; i<count; i++)
{
t = ReadShort();
mesh.GetTri(t).materialId = mat_id;
}
break;
case TRI_SMOOTH_GROUP:
for (i=0; i<mesh.GetTriangleCount(); i++)
mesh.GetTri(i).smoothingGroups = (ulong) ReadInt();
break;
}
SkipChunk(ch);
ch = ReadChunk();
}
}
bool DsView::loadFile(QString name){
if(_scene.LoadFile(name.latin1())){
mx=my=mz=0.0;
int nVerticeTotal = 0;
_max=0;
for(int i=0;i<_scene.GetMeshCount();i++){
LMesh * mesh = _scene.GetMesh(i);
nVerticeTotal =+ mesh->GetVertexCount();
for(int j=0;j<mesh->GetVertexCount();j++){
LVector3 v = mesh->GetVertex(j);
mx =+ v.x;
my =+ v.y;
mz =+ v.z;
}
}
mx = mx/nVerticeTotal;
#ifdef MYDEBUG
qDebug(QString::number(mx).latin1());
qDebug(QString::number(nVerticeTotal).latin1());
#endif
my = my/nVerticeTotal;
#ifdef MYDEBUG
qDebug(QString::number(my).latin1());
#endif
mz = mz/nVerticeTotal;
#ifdef MYDEBUG
qDebug(QString::number(mz).latin1());
#endif
for(int i=0;i<_scene.GetMeshCount();i++){
LMesh * mesh = _scene.GetMesh(i);
for(int j=0;j<mesh->GetVertexCount();j++){
LVector3 v = mesh->GetVertex(j);
_max = max(max(max(abs(v.x-mx),abs(v.y-my)),abs(v.z-mz)),_max);
}
}
_ortho = _max;
updateGL();
return true;
}else{
return false;
}
}
void Scene::AddObject(const std::string& fname,Material* material, Shapes &objects, const Point &ofs) const
{
size_t index = Shape::GetUniqueID();
// —читывание меша из файла
L3DS *l3ds = new L3DS(fname.c_str());
if(!l3ds || !l3ds->GetMeshCount())
throw Error("Error in loading extern files");
for(int i = 0; i<l3ds->GetMeshCount(); i++) {
LMesh *mesh = l3ds->GetMesh(i);
for(int j = 0; j<mesh->GetTriangleCount(); j++) {
LTriangle tr = mesh->GetTriangle(j);
Point a(mesh->GetVertex(tr.a).x, mesh->GetVertex(tr.a).y, mesh->GetVertex(tr.a).z);
Point b(mesh->GetVertex(tr.b).x, mesh->GetVertex(tr.b).y, mesh->GetVertex(tr.b).z);
Point c(mesh->GetVertex(tr.c).x, mesh->GetVertex(tr.c).y, mesh->GetVertex(tr.c).z);
if (Triangle::IsValidTrangle(a,b,c))
objects.push_back(new Triangle(a-ofs, b-ofs, c-ofs, material, index));
}
}
}
void Scene::AddTexturedObject(const std::string fname, Material* material, Shapes &objects, const std::string textName, const Point &ofs) const
{
size_t index = Shape::GetUniqueID();
// —читывание меша из файла
L3DS *l3ds = new L3DS(fname.c_str());
if(!l3ds || !l3ds->GetMeshCount())
throw Error("Error in loading extern files");
for(int i = 0; i<l3ds->GetMeshCount(); i++) {
LMesh *mesh = l3ds->GetMesh(i);
Texture *texture = new Texture(textName.c_str());
for(int j = 0; j<mesh->GetTriangleCount(); j++) {
LTriangle tr = mesh->GetTriangle(j);
Point a(mesh->GetVertex(tr.a).x, mesh->GetVertex(tr.a).y, mesh->GetVertex(tr.a).z);
Point b(mesh->GetVertex(tr.b).x, mesh->GetVertex(tr.b).y, mesh->GetVertex(tr.b).z);
Point c(mesh->GetVertex(tr.c).x, mesh->GetVertex(tr.c).y, mesh->GetVertex(tr.c).z);
TextureCoords tA(mesh->GetUV(tr.a).u, mesh->GetUV(tr.a).v);
TextureCoords tB(mesh->GetUV(tr.b).u, mesh->GetUV(tr.b).v);
TextureCoords tC(mesh->GetUV(tr.c).u, mesh->GetUV(tr.c).v);
tA.InvertU();
tB.InvertU();
tC.InvertU();
tA*=8;
tB*=8;
tC*=8;
if (Triangle::IsValidTrangle(a,b,c))
objects.push_back(new Triangle(a-ofs, b-ofs, c-ofs, material, index, texture, tA, tB, tC));
}
}
}
void L3DS::ReadMesh(const LChunk &parent)
{
unsigned short count, i;
LVector4 p;
LMatrix4 m;
LVector2 t;
p.w = 1.0f;
LMesh mesh;
mesh.SetName(m_objName);
GotoChunk(parent);
LChunk chunk = ReadChunk();
while (chunk.end <= parent.end)
{
switch (chunk.id)
{
case TRI_VERTEXLIST:
count = ReadShort();
mesh.SetVertexArraySize(count);
for (i=0; i < count; i++)
{
p.x = ReadFloat();
p.y = ReadFloat();
p.z = ReadFloat();
mesh.SetVertex(p, i);
}
break;
case TRI_FACEMAPPING:
count = ReadShort();
if (mesh.GetVertexCount() == 0)
mesh.SetVertexArraySize(count);
for (i=0; i < count; i++)
{
t.x = ReadFloat();
t.y = ReadFloat();
mesh.SetUV(t, i);
}
break;
case TRI_FACELIST:
ReadFaceList(chunk, mesh);
break;
case TRI_MATRIX:
m._11 = ReadFloat();
m._12 = ReadFloat();
m._13 = ReadFloat();
m._21 = ReadFloat();
m._22 = ReadFloat();
m._23 = ReadFloat();
m._31 = ReadFloat();
m._32 = ReadFloat();
m._33 = ReadFloat();
m._41 = ReadFloat();
m._42 = ReadFloat();
m._43 = ReadFloat();
m._14 = 0.0f;
m._24 = 0.0f;
m._34 = 0.0f;
m._44 = 1.0f;
mesh.SetMatrix(m);
break;
default:
break;
}
SkipChunk(chunk);
if (chunk.end >= parent.end)
break;
chunk = ReadChunk();
}
m_meshes.push_back(mesh);
}
void L3DS::ReadMesh(const LChunk &parent)
{
//ErrorMsg("RND:: Ok, try load mesh...\n");
unsigned short count, i;
LVector4 p;
LMatrix4 m;
LVector2 t;
p.w = 1.0f;
LMesh mesh;
mesh.SetName(m_objName);
GotoChunk(parent);
LChunk chunk = ReadChunk();
while (chunk.end <= parent.end)
{
//ErrorMsg("RND:: Ochunk.end <= parent.end\n");
switch (chunk.id)
{
case TRI_VERTEXLIST:
//ErrorMsg("RND:: case TRI_VERTEXLIST\n");
count = ReadShort();
mesh.SetVertexArraySize(count);
for (i=0; i < count; i++)
{
p.x = ReadFloat();
p.y = ReadFloat();
p.z = ReadFloat();
mesh.SetVertex(p, i);
}
break;
case TRI_FACEMAPPING:
//ErrorMsg("RND:: case TRI_FACEMAPPING\n");
count = ReadShort();
// printf("RND:: ReadShort");
if (count == 0 ) break;
if (mesh.GetVertexCount() == 0)
mesh.SetVertexArraySize(count);
printf("count: %d",count);
for (i=0; i < count; i++)
{
t.x = ReadFloat();
t.y = ReadFloat();
mesh.SetUV(t, i);
// printf("RND:: set: %f %f",t.x,t.y);
}
break;
case TRI_FACELIST:
//ErrorMsg("RND:: case TRI_FACELIST\n");
ReadFaceList(chunk, mesh);
break;
case TRI_MATRIX:
//ErrorMsg("RND:: case TRI_MATRIX\n");
m._11 = ReadFloat();
m._12 = ReadFloat();
m._13 = ReadFloat();
m._21 = ReadFloat();
m._22 = ReadFloat();
m._23 = ReadFloat();
m._31 = ReadFloat();
m._32 = ReadFloat();
m._33 = ReadFloat();
m._41 = ReadFloat();
m._42 = ReadFloat();
m._43 = ReadFloat();
m._14 = 0.0f;
m._24 = 0.0f;
m._34 = 0.0f;
m._44 = 1.0f;
mesh.SetMatrix(m);
break;
default:
break;
}
SkipChunk(chunk);
if (chunk.end >= parent.end)
break;
chunk = ReadChunk();
}
m_meshes.push_back(mesh);
}
