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+//=============================================================================
+//
+// Glagen : a planet sized landscape generator
+// Copyright (C) 2002 Julien Guertault, Hugues Hiegel, Meng-Tih Lam
+//
+// 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; either version 2
+// of the License, or (at your option) any later version.
+//
+// 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.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+//
+//=============================================================================
+//
+// Glagen : GPL LAndscape GENerator
+//
+// Data_property.hh for Glagen : made by Titi (Meng-tih LAM)
+//
+// www.glagen.org
+//
+//=============================================================================
+
+#ifndef DATA_PROPERTY_HH_
+# define DATA_PROPERTY_HH_
+
+#include <iostream>
+#include <string>
+#include <unistd.h> // Pour write/read
+
+#include <errno.h>
+
+#include "../../3d/data_glagen.hh"
+
+class Data_property
+{
+public:
+ Data_property() : _data(0), _size(0), _type(kind_lib_t(none)) {}
+ Data_property(void* data, size_t size, kind_lib_t type)
+ : _data(data),
+ _size(size),
+ _type(type)
+ {}
+
+ void write_data(const int& fd) const
+ {
+ write(fd, &_type, sizeof(int));
+ write(fd, &_size, sizeof(int));
+ write(fd, _data, _size * sizeof(void *));
+ }
+
+ void read_data(const int& fd)
+ {
+ do
+ {
+ errno = 0;
+ read(fd, &_type, sizeof(int));
+ }
+ while (errno == 4);
+
+ do
+ {
+ errno = 0;
+ read(fd, &_size, sizeof(int));
+ }
+ while (errno == 4);
+
+ do
+ {
+ errno = 0;
+ read(fd, _data, _size * sizeof(void *));
+ }
+ while (errno == 4);
+ }
+
+protected:
+ void *_data;
+ size_t _size;
+ kind_lib_t _type;
+};
+
+#endif // DATA_PROPERTY_HH_