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//##########################################################################
//# #
//# CLOUDCOMPARE #
//# #
//# This program is free software; you can redistribute it and/or modify #
//# it under the terms of the GNU General Public License as published by #
//# the Free Software Foundation; version 2 or later of the License. #
//# #
//# This program is distributed in the hope that it will be useful, #
//# but WITHOUT ANY WARRANTY; without even the implied warranty of #
//# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
//# GNU General Public License for more details. #
//# #
//# COPYRIGHT: EDF R&D / TELECOM ParisTech (ENST-TSI) #
//# #
//##########################################################################
#include "ccMeshGroup.h"
//system
#include <assert.h>
void ccMeshGroup::drawMeOnly(CC_DRAW_CONTEXT& context)
{
//does nothing
return;
}
bool ccMeshGroup::toFile_MeOnly(QFile& out) const
{
ccLog::Error("[Mesh groups are not handled any more!");
return false;
}
bool ccMeshGroup::fromFile_MeOnly(QFile& in, short dataVersion, int flags)
{
//Mesh groups are deprecated since version 2.9
assert(dataVersion < 29);
if (dataVersion >= 29)
return false;
if (!ccGenericMesh::fromFile_MeOnly(in, dataVersion, flags))
return false;
/*** we simply read the data as it was before, so as to be able to read the other entities from the file! ***/
//as the associated cloud (=vertices) can't be saved directly (as it may be shared by multiple meshes)
//we only store its unique ID (dataVersion>=20) --> we hope we will find it at loading time (i.e. this
//is the responsibility of the caller to make sure that all dependencies are saved together)
uint32_t vertUniqueID = 0;
if (in.read((char*)&vertUniqueID,4) < 0)
return ReadError();
//[DIRTY] WARNING: temporarily, we set the vertices unique ID in the 'm_associatedCloud' pointer!!!
//*(uint32_t*)(&m_associatedCloud) = vertUniqueID;
//per-triangle normals array (dataVersion>=20)
{
//as the associated normals array can't be saved directly (as it may be shared by multiple meshes)
//we only store its unique ID (dataVersion>=20) --> we hope we will find it at loading time (i.e. this
//is the responsibility of the caller to make sure that all dependencies are saved together)
uint32_t normArrayID = 0;
if (in.read((char*)&normArrayID,4) < 0)
return ReadError();
//[DIRTY] WARNING: temporarily, we set the array unique ID in the 'm_triNormals' pointer!!!
//*(uint32_t*)(&m_triNormals) = normArrayID;
}
//texture coordinates array (dataVersion>=20)
{
//as the associated texture coordinates array can't be saved directly (as it may be shared by multiple meshes)
//we only store its unique ID (dataVersion>=20) --> we hope we will find it at loading time (i.e. this
//is the responsibility of the caller to make sure that all dependencies are saved together)
uint32_t texCoordArrayID = 0;
if (in.read((char*)&texCoordArrayID,4) < 0)
return ReadError();
//[DIRTY] WARNING: temporarily, we set the array unique ID in the 'm_texCoords' pointer!!!
//*(uint32_t*)(&m_texCoords) = texCoordArrayID;
}
//materials
{
//as the associated materials can't be saved directly (as it may be shared by multiple meshes)
//we only store its unique ID (dataVersion>=20) --> we hope we will find it at loading time (i.e. this
//is the responsibility of the caller to make sure that all dependencies are saved together)
uint32_t matSetID = 0;
if (in.read((char*)&matSetID,4) < 0)
return ReadError();
//[DIRTY] WARNING: temporarily, we set the array unique ID in the 'm_materials' pointer!!!
//*(uint32_t*)(&m_materials) = matSetID;
}
return true;
}
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