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
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
/*
Minetest-c55
Copyright (C) 2011 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 Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser 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.
*/
#include "content_abm.h"
#include "environment.h"
#include "gamedef.h"
#include "nodedef.h"
#include "content_sao.h"
#include "settings.h"
#include "mapblock.h" // For getNodeBlockPos
#include "treegen.h" // For treegen::make_tree
#include "map.h"
#define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
class GrowGrassABM : public ActiveBlockModifier
{
private:
public:
virtual std::set<std::string> getTriggerContents()
{
std::set<std::string> s;
s.insert("mapgen_dirt");
return s;
}
virtual float getTriggerInterval()
{ return 2.0; }
virtual u32 getTriggerChance()
{ return 200; }
virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n)
{
INodeDefManager *ndef = env->getGameDef()->ndef();
ServerMap *map = &env->getServerMap();
MapNode n_top = map->getNodeNoEx(p+v3s16(0,1,0));
if(ndef->get(n_top).light_propagates &&
!ndef->get(n_top).isLiquid() &&
n_top.getLightBlend(env->getDayNightRatio(), ndef) >= 13)
{
n.setContent(ndef->getId("mapgen_dirt_with_grass"));
map->addNodeWithEvent(p, n);
}
}
};
class RemoveGrassABM : public ActiveBlockModifier
{
private:
public:
virtual std::set<std::string> getTriggerContents()
{
std::set<std::string> s;
s.insert("mapgen_dirt_with_grass");
return s;
}
virtual float getTriggerInterval()
{ return 2.0; }
virtual u32 getTriggerChance()
{ return 20; }
virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n)
{
INodeDefManager *ndef = env->getGameDef()->ndef();
ServerMap *map = &env->getServerMap();
MapNode n_top = map->getNodeNoEx(p+v3s16(0,1,0));
if(!ndef->get(n_top).light_propagates ||
ndef->get(n_top).isLiquid())
{
n.setContent(ndef->getId("mapgen_dirt"));
map->addNodeWithEvent(p, n);
}
}
};
class MakeTreesFromSaplingsABM : public ActiveBlockModifier
{
private:
public:
virtual std::set<std::string> getTriggerContents()
{
std::set<std::string> s;
s.insert("sapling");
return s;
}
virtual float getTriggerInterval()
{ return 10.0; }
virtual u32 getTriggerChance()
{ return 50; }
virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n,
u32 active_object_count, u32 active_object_count_wider)
{
INodeDefManager *ndef = env->getGameDef()->ndef();
ServerMap *map = &env->getServerMap();
actionstream<<"A sapling grows into a tree at "
<<PP(p)<<std::endl;
core::map<v3s16, MapBlock*> modified_blocks;
v3s16 tree_p = p;
ManualMapVoxelManipulator vmanip(map);
v3s16 tree_blockp = getNodeBlockPos(tree_p);
vmanip.initialEmerge(tree_blockp - v3s16(1,1,1), tree_blockp + v3s16(1,1,1));
bool is_apple_tree = myrand()%4 == 0;
treegen::make_tree(vmanip, tree_p, is_apple_tree, ndef);
vmanip.blitBackAll(&modified_blocks);
// update lighting
core::map<v3s16, MapBlock*> lighting_modified_blocks;
for(core::map<v3s16, MapBlock*>::Iterator
i = modified_blocks.getIterator();
i.atEnd() == false; i++)
{
lighting_modified_blocks.insert(i.getNode()->getKey(), i.getNode()->getValue());
}
map->updateLighting(lighting_modified_blocks, modified_blocks);
// Send a MEET_OTHER event
MapEditEvent event;
event.type = MEET_OTHER;
for(core::map<v3s16, MapBlock*>::Iterator
i = modified_blocks.getIterator();
i.atEnd() == false; i++)
{
v3s16 p = i.getNode()->getKey();
event.modified_blocks.insert(p, true);
}
map->dispatchEvent(&event);
}
};
void add_legacy_abms(ServerEnvironment *env, INodeDefManager *nodedef)
{
env->addActiveBlockModifier(new GrowGrassABM());
env->addActiveBlockModifier(new RemoveGrassABM());
env->addActiveBlockModifier(new MakeTreesFromSaplingsABM());
}
|
