1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
/*
Minetest-c55
Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
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.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MAPBLOCK_NODEMOD_HEADER
#define MAPBLOCK_NODEMOD_HEADER
enum NodeModType
{
NODEMOD_NONE,
NODEMOD_CHANGECONTENT, //param is content id
NODEMOD_CRACK // param is crack progression
};
struct NodeMod
{
NodeMod(enum NodeModType a_type=NODEMOD_NONE, u16 a_param=0)
{
type = a_type;
param = a_param;
}
bool operator==(const NodeMod &other)
{
return (type == other.type && param == other.param);
}
enum NodeModType type;
u16 param;
};
class NodeModMap
{
public:
/*
returns true if the mod was different last time
*/
bool set(v3s16 p, const NodeMod &mod)
{
// See if old is different, cancel if it is not different.
core::map<v3s16, NodeMod>::Node *n = m_mods.find(p);
if(n)
{
NodeMod old = n->getValue();
if(old == mod)
return false;
n->setValue(mod);
}
else
{
m_mods.insert(p, mod);
}
return true;
}
// Returns true if there was one
bool get(v3s16 p, NodeMod *mod)
{
core::map<v3s16, NodeMod>::Node *n;
n = m_mods.find(p);
if(n == NULL)
return false;
if(mod)
*mod = n->getValue();
return true;
}
bool clear(v3s16 p)
{
if(m_mods.find(p))
{
m_mods.remove(p);
return true;
}
return false;
}
bool clear()
{
if(m_mods.size() == 0)
return false;
m_mods.clear();
return true;
}
void copy(NodeModMap &dest)
{
dest.m_mods.clear();
for(core::map<v3s16, NodeMod>::Iterator
i = m_mods.getIterator();
i.atEnd() == false; i++)
{
dest.m_mods.insert(i.getNode()->getKey(), i.getNode()->getValue());
}
}
private:
core::map<v3s16, NodeMod> m_mods;
};
#endif
|
