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
|
#pragma once
#include <cstring>
#include "ChunkDef.h"
#if __cplusplus < 201103L
// auto_ptr style interface for memory management
#else
// unique_ptr style interface for memory management
#endif
class cChunkData
{
public:
cChunkData();
~cChunkData();
#if __cplusplus < 201103L
// auto_ptr style interface for memory management
cChunkData(const cChunkData & a_Other);
cChunkData & operator =(const cChunkData & a_Other);
#else
// unique_ptr style interface for memory management
cChunkData(cChunkData && a_Other);
cChunkData & operator =(cChunkData && a_ther);
#endif
BLOCKTYPE GetBlock(int a_X, int a_Y, int a_Z) const;
void SetBlock(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_Block);
NIBBLETYPE GetMeta(int a_RelX, int a_RelY, int a_RelZ) const;
bool SetMeta(int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_Nibble);
NIBBLETYPE GetBlockLight(int a_RelX, int a_RelY, int a_RelZ) const;
NIBBLETYPE GetSkyLight(int a_RelX, int a_RelY, int a_RelZ) const;
cChunkData Copy(void) const;
// Copys data from this object into the buffer in the a_Dest param
// CopyBlocks also povides the optional parameters a_Idx and a_Length which specify an offset and length for
// copying part of the BlockTypes array.
void CopyBlocks (BLOCKTYPE * a_Dest, size_t a_Idx = 0, size_t a_Length = cChunkDef::NumBlocks) const;
void CopyMeta (NIBBLETYPE * a_Dest) const;
void CopyBlockLight(NIBBLETYPE * a_Dest) const;
void CopySkyLight (NIBBLETYPE * a_Dest) const;
void SetBlocks (const BLOCKTYPE * a_src);
void SetMeta (const NIBBLETYPE * a_src);
void SetBlockLight(const NIBBLETYPE * a_src);
void SetSkyLight (const NIBBLETYPE * a_src);
private:
static const size_t CHUNK_SECTION_HEIGHT = 16;
static const size_t CHUNK_SECTION_COUNT = (256 / CHUNK_SECTION_HEIGHT);
#if __cplusplus < 201103L
// auto_ptr style interface for memory management
mutable bool m_IsOwner;
#endif
struct sChunkSection {
BLOCKTYPE m_BlockTypes [CHUNK_SECTION_HEIGHT * 16 * 16];
NIBBLETYPE m_BlockMeta [CHUNK_SECTION_HEIGHT * 16 * 16 / 2];
NIBBLETYPE m_BlockLight [CHUNK_SECTION_HEIGHT * 16 * 16 / 2];
NIBBLETYPE m_BlockSkyLight[CHUNK_SECTION_HEIGHT * 16 * 16 / 2];
};
sChunkSection * m_Sections[CHUNK_SECTION_COUNT];
/** Allocates a new section. Entry-point to custom allocators. */
static sChunkSection * Allocate(void);
/** Frees the specified section, previously allocated using Allocate().
Note that a_Section may be NULL. */
static void Free(sChunkSection * a_Section);
/** Sets the data in the specified section to their default values. */
void ZeroSection(sChunkSection * a_Section) const;
};
|
