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
|
// CompoGen.h
/* Interfaces to the various terrain composition generators:
- cCompoGenSameBlock
- cCompoGenDebugBiomes
- cCompoGenClassic
- cCompoGenBiomal
- cCompoGenNether
- cCompoGenCache
*/
#pragma once
#include "ComposableGenerator.h"
#include "../Noise/Noise.h"
class cCompoGenSameBlock :
public cTerrainCompositionGen
{
public:
cCompoGenSameBlock(void) :
m_BlockType(E_BLOCK_STONE),
m_IsBedrocked(true)
{}
protected:
BLOCKTYPE m_BlockType;
bool m_IsBedrocked;
// cTerrainCompositionGen overrides:
virtual void ComposeTerrain(cChunkDesc & a_ChunkDesc) override;
virtual void InitializeCompoGen(cIniFile & a_IniFile) override;
} ;
class cCompoGenDebugBiomes :
public cTerrainCompositionGen
{
public:
cCompoGenDebugBiomes(void) {}
protected:
// cTerrainCompositionGen overrides:
virtual void ComposeTerrain(cChunkDesc & a_ChunkDesc) override;
} ;
class cCompoGenClassic :
public cTerrainCompositionGen
{
public:
cCompoGenClassic(void);
protected:
int m_SeaLevel;
int m_BeachHeight;
int m_BeachDepth;
BLOCKTYPE m_BlockTop;
BLOCKTYPE m_BlockMiddle;
BLOCKTYPE m_BlockBottom;
BLOCKTYPE m_BlockBeach;
BLOCKTYPE m_BlockBeachBottom;
BLOCKTYPE m_BlockSea;
// cTerrainCompositionGen overrides:
virtual void ComposeTerrain(cChunkDesc & a_ChunkDesc) override;
virtual void InitializeCompoGen(cIniFile & a_IniFile) override;
} ;
class cCompoGenBiomal :
public cTerrainCompositionGen
{
public:
cCompoGenBiomal(int a_Seed) :
m_Noise(a_Seed + 1000),
m_SeaLevel(62)
{
}
protected:
cNoise m_Noise;
int m_SeaLevel;
// cTerrainCompositionGen overrides:
virtual void ComposeTerrain(cChunkDesc & a_ChunkDesc) override;
virtual void InitializeCompoGen(cIniFile & a_IniFile) override;
void FillColumnGrass (int a_RelX, int a_RelZ, int a_Height, cChunkDef::BlockTypes & a_BlockTypes);
void FillColumnClay (int a_RelX, int a_RelZ, int a_Height, cChunkDef::BlockTypes & a_BlockTypes);
void FillColumnDirt (int a_RelX, int a_RelZ, int a_Height, cChunkDef::BlockTypes & a_BlockTypes);
void FillColumnSand (int a_RelX, int a_RelZ, int a_Height, cChunkDef::BlockTypes & a_BlockTypes);
void FillColumnMycelium (int a_RelX, int a_RelZ, int a_Height, cChunkDef::BlockTypes & a_BlockTypes);
void FillColumnWaterSand(int a_RelX, int a_RelZ, int a_Height, cChunkDef::BlockTypes & a_BlockTypes);
void FillColumnWaterDirt(int a_RelX, int a_RelZ, int a_Height, cChunkDef::BlockTypes & a_BlockTypes);
void FillColumnPattern (int a_RelX, int a_RelZ, int a_Height, cChunkDef::BlockTypes & a_BlockTypes, const BLOCKTYPE * a_Pattern, int a_PatternSize);
} ;
class cCompoGenNether :
public cTerrainCompositionGen
{
public:
cCompoGenNether(int a_Seed);
protected:
cNoise m_Noise1;
cNoise m_Noise2;
int m_Threshold;
// cTerrainCompositionGen overrides:
virtual void ComposeTerrain(cChunkDesc & a_ChunkDesc) override;
virtual void InitializeCompoGen(cIniFile & a_IniFile) override;
} ;
/** Caches most-recently-used chunk composition of another composition generator. Caches only the types and metas */
class cCompoGenCache :
public cTerrainCompositionGen
{
public:
cCompoGenCache(cTerrainCompositionGenPtr a_Underlying, int a_CacheSize); // Doesn't take ownership of a_Underlying
~cCompoGenCache();
// cTerrainCompositionGen override:
virtual void ComposeTerrain(cChunkDesc & a_ChunkDesc) override;
virtual void InitializeCompoGen(cIniFile & a_IniFile) override;
protected:
cTerrainCompositionGenPtr m_Underlying;
struct sCacheData
{
int m_ChunkX;
int m_ChunkZ;
cChunkDef::BlockTypes m_BlockTypes;
cChunkDesc::BlockNibbleBytes m_BlockMetas; // The metas are uncompressed, 1 meta per byte
} ;
// To avoid moving large amounts of data for the MRU behavior, we MRU-ize indices to an array of the actual data
int m_CacheSize;
int * m_CacheOrder; // MRU-ized order, indices into m_CacheData array
sCacheData * m_CacheData; // m_CacheData[m_CacheOrder[0]] is the most recently used
// Cache statistics
int m_NumHits;
int m_NumMisses;
int m_TotalChain; // Number of cache items walked to get to a hit (only added for hits)
} ;
|
