Line data Source code
1 : /*
2 : Minetest
3 : Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
4 :
5 : This program is free software; you can redistribute it and/or modify
6 : it under the terms of the GNU Lesser General Public License as published by
7 : the Free Software Foundation; either version 2.1 of the License, or
8 : (at your option) any later version.
9 :
10 : This program is distributed in the hope that it will be useful,
11 : but WITHOUT ANY WARRANTY; without even the implied warranty of
12 : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 : GNU Lesser General Public License for more details.
14 :
15 : You should have received a copy of the GNU Lesser General Public License along
16 : with this program; if not, write to the Free Software Foundation, Inc.,
17 : 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 : */
19 :
20 : #ifndef MAPSECTOR_HEADER
21 : #define MAPSECTOR_HEADER
22 :
23 : #include "irrlichttypes.h"
24 : #include "irr_v2d.h"
25 : #include "mapblock.h"
26 : #include <ostream>
27 : #include <map>
28 : #include <vector>
29 :
30 : class Map;
31 : class IGameDef;
32 :
33 : /*
34 : This is an Y-wise stack of MapBlocks.
35 : */
36 :
37 : #define MAPSECTOR_SERVER 0
38 : #define MAPSECTOR_CLIENT 1
39 :
40 : class MapSector
41 : {
42 : public:
43 :
44 : MapSector(Map *parent, v2s16 pos, IGameDef *gamedef);
45 : virtual ~MapSector();
46 :
47 : virtual u32 getId() const = 0;
48 :
49 : void deleteBlocks();
50 :
51 21258 : v2s16 getPos()
52 : {
53 21258 : return m_pos;
54 : }
55 :
56 : MapBlock * getBlockNoCreateNoEx(s16 y);
57 : MapBlock * createBlankBlockNoInsert(s16 y);
58 : MapBlock * createBlankBlock(s16 y);
59 :
60 : void insertBlock(MapBlock *block);
61 :
62 : void deleteBlock(MapBlock *block);
63 :
64 : void getBlocks(MapBlockVect &dest);
65 :
66 : // Always false at the moment, because sector contains no metadata.
67 : bool differs_from_disk;
68 :
69 : protected:
70 :
71 : // The pile of MapBlocks
72 : std::map<s16, MapBlock*> m_blocks;
73 :
74 : Map *m_parent;
75 : // Position on parent (in MapBlock widths)
76 : v2s16 m_pos;
77 :
78 : IGameDef *m_gamedef;
79 :
80 : // Last-used block is cached here for quicker access.
81 : // Be sure to set this to NULL when the cached block is deleted
82 : MapBlock *m_block_cache;
83 : s16 m_block_cache_y;
84 :
85 : /*
86 : Private methods
87 : */
88 : MapBlock *getBlockBuffered(s16 y);
89 :
90 : };
91 :
92 : class ServerMapSector : public MapSector
93 : {
94 : public:
95 : ServerMapSector(Map *parent, v2s16 pos, IGameDef *gamedef);
96 : ~ServerMapSector();
97 :
98 0 : u32 getId() const
99 : {
100 0 : return MAPSECTOR_SERVER;
101 : }
102 :
103 : /*
104 : These functions handle metadata.
105 : They do not handle blocks.
106 : */
107 :
108 : void serialize(std::ostream &os, u8 version);
109 :
110 : static ServerMapSector* deSerialize(
111 : std::istream &is,
112 : Map *parent,
113 : v2s16 p2d,
114 : std::map<v2s16, MapSector*> & sectors,
115 : IGameDef *gamedef
116 : );
117 :
118 : private:
119 : };
120 :
121 : #ifndef SERVER
122 : class ClientMapSector : public MapSector
123 : {
124 : public:
125 : ClientMapSector(Map *parent, v2s16 pos, IGameDef *gamedef);
126 : ~ClientMapSector();
127 :
128 0 : u32 getId() const
129 : {
130 0 : return MAPSECTOR_CLIENT;
131 : }
132 :
133 : private:
134 : };
135 : #endif
136 :
137 : #endif
138 :
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