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
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/*
Minetest
Copyright (C) 2010-2013 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
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.
*/
#ifndef EMERGE_HEADER
#define EMERGE_HEADER
#include <map>
#include "irr_v3d.h"
#include "util/container.h"
#include "mapgen.h" // for MapgenParams
#include "map.h"
#define BLOCK_EMERGE_ALLOW_GEN (1 << 0)
#define BLOCK_EMERGE_FORCE_QUEUE (1 << 1)
#define EMERGE_DBG_OUT(x) do { \
if (enable_mapgen_debug_info) \
infostream << "EmergeThread: " x << std::endl; \
} while (0)
class EmergeThread;
class INodeDefManager;
class Settings;
class BiomeManager;
class OreManager;
class DecorationManager;
class SchematicManager;
class Server;
// Structure containing inputs/outputs for chunk generation
struct BlockMakeData {
MMVManip *vmanip;
u64 seed;
v3s16 blockpos_min;
v3s16 blockpos_max;
v3s16 blockpos_requested;
UniqueQueue<v3s16> transforming_liquid;
INodeDefManager *nodedef;
BlockMakeData():
vmanip(NULL),
seed(0),
nodedef(NULL)
{}
~BlockMakeData() { delete vmanip; }
};
// Result from processing an item on the emerge queue
enum EmergeAction {
EMERGE_CANCELLED,
EMERGE_ERRORED,
EMERGE_FROM_MEMORY,
EMERGE_FROM_DISK,
EMERGE_GENERATED,
};
// Callback
typedef void (*EmergeCompletionCallback)(
v3s16 blockpos, EmergeAction action, void *param);
typedef std::vector<
std::pair<
EmergeCompletionCallback,
void *
>
> EmergeCallbackList;
struct BlockEmergeData {
u16 peer_requested;
u16 flags;
EmergeCallbackList callbacks;
};
class EmergeManager {
public:
INodeDefManager *ndef;
bool enable_mapgen_debug_info;
// Generation Notify
u32 gen_notify_on;
std::set<u32> gen_notify_on_deco_ids;
// Parameters passed to mapgens owned by ServerMap
// TODO(hmmmm): Remove this after mapgen helper methods using them
// are moved to ServerMap
MapgenParams *mgparams;
// Hackish workaround:
// For now, EmergeManager must hold onto a ptr to the Map's setting manager
// since the Map can only be accessed through the Environment, and the
// Environment is not created until after script initialization.
MapSettingsManager *map_settings_mgr;
// Managers of various map generation-related components
BiomeManager *biomemgr;
OreManager *oremgr;
DecorationManager *decomgr;
SchematicManager *schemmgr;
// Methods
EmergeManager(Server *server);
~EmergeManager();
bool initMapgens(MapgenParams *mgparams);
void startThreads();
void stopThreads();
bool isRunning();
bool enqueueBlockEmerge(
u16 peer_id,
v3s16 blockpos,
bool allow_generate,
bool ignore_queue_limits=false);
bool enqueueBlockEmergeEx(
v3s16 blockpos,
u16 peer_id,
u16 flags,
EmergeCompletionCallback callback,
void *callback_param);
v3s16 getContainingChunk(v3s16 blockpos);
Mapgen *getCurrentMapgen();
// Mapgen helpers methods
Biome *getBiomeAtPoint(v3s16 p);
int getSpawnLevelAtPoint(v2s16 p);
int getGroundLevelAtPoint(v2s16 p);
bool isBlockUnderground(v3s16 blockpos);
static v3s16 getContainingChunk(v3s16 blockpos, s16 chunksize);
private:
std::vector<Mapgen *> m_mapgens;
std::vector<EmergeThread *> m_threads;
bool m_threads_active;
Mutex m_queue_mutex;
std::map<v3s16, BlockEmergeData> m_blocks_enqueued;
UNORDERED_MAP<u16, u16> m_peer_queue_count;
u16 m_qlimit_total;
u16 m_qlimit_diskonly;
u16 m_qlimit_generate;
// Requires m_queue_mutex held
EmergeThread *getOptimalThread();
bool pushBlockEmergeData(
v3s16 pos,
u16 peer_requested,
u16 flags,
EmergeCompletionCallback callback,
void *callback_param,
bool *entry_already_exists);
bool popBlockEmergeData(v3s16 pos, BlockEmergeData *bedata);
friend class EmergeThread;
DISABLE_CLASS_COPY(EmergeManager);
};
#endif
|
