128 lines
4.2 KiB
C++
128 lines
4.2 KiB
C++
/****************************************************************************
|
|
* VCGLib o o *
|
|
* Visual and Computer Graphics Library o o *
|
|
* _ O _ *
|
|
* Copyright(C) 2004 \/)\/ *
|
|
* Visual Computing Lab /\/| *
|
|
* ISTI - Italian National Research Council | *
|
|
* \ *
|
|
* All rights reserved. *
|
|
* *
|
|
* 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 (http://www.gnu.org/licenses/gpl.txt) *
|
|
* for more details. *
|
|
* *
|
|
****************************************************************************/
|
|
/****************************************************************************
|
|
History
|
|
|
|
$Log: not supported by cvs2svn $
|
|
Revision 1.6 2005/02/20 00:43:23 ponchio
|
|
Less memory x extraction. (removed frags)
|
|
|
|
Revision 1.5 2005/02/19 16:22:45 ponchio
|
|
Minor changes (visited and Cell)
|
|
|
|
Revision 1.4 2005/02/17 16:40:35 ponchio
|
|
Optimized BuildLevels.
|
|
|
|
Revision 1.3 2005/02/08 12:43:03 ponchio
|
|
Added copyright
|
|
|
|
|
|
****************************************************************************/
|
|
|
|
#ifndef NXS_HISTORY_H
|
|
#define NXS_HISTORY_H
|
|
|
|
#include <vector>
|
|
#include <map>
|
|
|
|
//TODO fix a bit better the quick <-> updates duality
|
|
|
|
namespace nxs {
|
|
|
|
class Nexus;
|
|
class History {
|
|
public:
|
|
|
|
enum Mode { QUICK = 1, UPDATES = 2 };
|
|
|
|
struct Update {
|
|
std::vector<unsigned int> erased;
|
|
std::vector<unsigned int> created;
|
|
};
|
|
|
|
struct Node;
|
|
|
|
struct Link {
|
|
Node *node;
|
|
unsigned int begin; //begin patch of the fragment
|
|
unsigned int end; //end patch of the fragment
|
|
|
|
typedef unsigned int iterator;
|
|
unsigned int size() { return end - begin; }
|
|
};
|
|
|
|
struct Node {
|
|
typedef Link *iterator;
|
|
Link *in_begin, *in_end;
|
|
Link *out_begin, *out_end;
|
|
};
|
|
|
|
Node *nodes;
|
|
Link *in_links;
|
|
Link *out_links;
|
|
|
|
std::vector<Update> updates;
|
|
|
|
History(): nodes(NULL), in_links(NULL), out_links(NULL),// frags(NULL),
|
|
buffer(NULL) {}
|
|
~History();
|
|
|
|
Node *Root() { return &nodes[0]; }
|
|
|
|
void Clear();
|
|
void ClearQuick();
|
|
void ClearUpdates();
|
|
//Owns memory afterwards.. do not free mem.
|
|
bool Load(unsigned int size, char *mem);
|
|
bool LoadQuick(unsigned int size, char *mem);
|
|
bool LoadUpdates(unsigned int size, char *mem);
|
|
|
|
//after these call history is invalid! and memory returned must be freed...
|
|
char *Save(unsigned int &size); //autodetect
|
|
char *SaveQuick(unsigned int &size);
|
|
char *SaveUpdates(unsigned int &size);
|
|
|
|
bool QuickToUpdates();
|
|
bool UpdatesToQuick(Nexus &nexus);
|
|
bool IsQuick() { return buffer != NULL; }
|
|
|
|
void BuildLevels(std::vector<int> &levels);
|
|
|
|
int &quick() { return ((int *)buffer)[0]; }
|
|
int &n_nodes() { return ((int *)buffer)[1]; }
|
|
int &n_in_links() { return ((int *)buffer)[2]; }
|
|
int &n_out_links() { return ((int *)buffer)[3]; }
|
|
|
|
// typedef Node *iterator;
|
|
// iterator begin() { return nodes; }
|
|
// iterator end() { return nodes + n_nodes(); }
|
|
protected:
|
|
unsigned int size;
|
|
char *buffer;
|
|
|
|
bool LoadPointers();
|
|
};
|
|
|
|
}
|
|
#endif
|