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();
}
}
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 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));
}
}
}
