void ReadTriangleObject(Chunk3DS_t *Chunk, Mesh3DS_t *Mesh)
{
switch(Chunk->ID)
{
case 0x4110:
ReadVertexList(Mesh);
break;
case 0x4120:
ReadFaceList(Mesh, Chunk->Length-6);
break;
case 0x4140:
ReadTextureCoordinates(Mesh);
break;
}
}
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);
}
Mesh* Load3ds(string URL, Entity* parent_ent){
int Size;
//Local OldDir:String
unsigned char Red, Green, Blue;
//unsigned char Percent;
//Local Pixmap:TPixmap
Stream = File::ReadResourceFile(URL);
if (Stream == 0) return 0;
//Size = Stream.Size()
fseek(Stream->pFile, 0, SEEK_END); // seek to end of file
Size = ftell(Stream->pFile); // get current file pointer
fseek(Stream->pFile, 0, SEEK_SET);
// Read Main-Chunk
ReadChunk();
if (ChunkID != M3D_3DS_MAIN || ChunkSize != Size) {
Stream->CloseFile();
//Print "No 3DS File"
return 0;
}
// Find 3DEditor-Chunk
while (Stream->Eof()==0){
ReadChunk();
if (ChunkID == M3D_3DS_3DEDITOR){
break;
}else{
SkipChunk();
}
}
//OldDir = CurrentDir()
//If String(URL) <> "" Then ChangeDir(ExtractDir(String(URL)))
mesh = Mesh::CreateMesh();
while (Stream->Eof()==0){
ReadChunk();
switch (ChunkID){
case M3D_3DS_OBJECTBLOCK:
ReadCString(); // ' ObjectName
break;
case M3D_3DS_BrushBLOCK:
ReadBrushBlock();
break;
case M3D_3DS_TRIMESH:
ReadTriMesh();
break;
case M3D_3DS_VERTEXLIST:
ReadVertexList();
break;
case M3D_3DS_FACELIST:
ReadFaceList();
break;
case M3D_3DS_FACEMATLIST:
ReadFaceMatList();
break;
case M3D_3DS_TEXCOORDS:
ReadTexCoords();
break;
case M3D_3DS_BrushNAME:
//Loader.Brush = CreateBrush()
brush->name = ReadCString();
break;
case M3D_3DS_BrushAMBIENT:
//ReadChunk();
//ReadRGB(ChunkID, Red, Green, Blue);
//brush->SetAmbientColor(Red, Green, Blue);
break;
case M3D_3DS_BrushDIFFUSE:
ReadChunk();
ReadRGB(ChunkID, Red, Green, Blue);
brush->BrushColor(Red, Green, Blue);
break;
case M3D_3DS_BrushSPECULAR:
//'Loader.ReadChunk()
//'Loader.ReadRGB(Loader.ChunkID, Red, Green, Blue)
//'Loader.Brush.SetSpecularColor(Red, Green, Blue)
break;
case M3D_3DS_BrushSHININESS:
//'Loader.ReadChunk()
//'Percent = Loader.ReadPercent(Loader.ChunkID)
//'Loader.Brush.BrushShininess(Percent)
break;
case M3D_3DS_MAPFILENAME:
LoadMap();
break;
case M3D_3DS_MAPVSCALE:
texture->v_scale = Stream->ReadFloat();
break;
case M3D_3DS_MAPUSCALE:
texture->u_scale = Stream->ReadFloat();
break;
case M3D_3DS_MAPUOFFSET:
texture->u_pos = Stream->ReadFloat();
break;
case M3D_3DS_MAPVOFFSET:
texture->v_pos = Stream->ReadFloat();
break;
case M3D_3DS_MAPROTATION:
texture->angle = Stream->ReadFloat();
break;
default:
if ((ChunkID == M3D_3DS_TEXTUREMAP1) || (ChunkID == M3D_3DS_TEXTUREMAP2)) {
ReadMap(ChunkID);
}else{
SkipChunk();
}
}
}
Stream->CloseFile();
if (surface!=0){
MovedTris.sort();
int CheckSurface=0;
for(list<int>::const_reverse_iterator it = MovedTris.rbegin(); it != MovedTris.rend(); it++){
surface->RemoveTri(*it);
CheckSurface=1;
}
MovedTris.clear();
if (surface->no_tris==0 && CheckSurface !=0) {
delete surface;
mesh->surf_list.remove(surface);
mesh->no_surfs=mesh->no_surfs-1;
}
}
// ChangeDir(OldDir)
// Loader.Surface.UpdateVertices()
// Loader.Surface.UpdateTriangles()
mesh->UpdateNormals();
/*Loader.Mesh.UpdateBuffer()
Print Loader.Surface.Tris.Length
Print Loader.Surface.no_verts
'Loader.Mesh.FlipMesh()*/
mesh->class_name="Mesh";
mesh->AddParent(*parent_ent);
Entity::entity_list.push_back(mesh);
if(mesh->parent!=0){
mesh->mat.Overwrite(mesh->parent->mat);
mesh->UpdateMat();
}else{
mesh->UpdateMat(true);
}
return 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);
}
