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
|
// FinishGen.cpp
/* Implements the various finishing generators:
- cFinishGenSnow
- cFinishGenIce
- cFinishGenSprinkleFoliage
*/
#include "Globals.h"
#include "FinishGen.h"
#include "cNoise.h"
#include "BlockID.h"
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// cFinishGenSprinkleFoliage:
void cFinishGenSprinkleFoliage::GenFinish(
int a_ChunkX, int a_ChunkZ,
cChunkDef::BlockTypes & a_BlockTypes, // Block types to read and change
cChunkDef::BlockNibbles & a_BlockMeta, // Block meta to read and change
cChunkDef::HeightMap & a_HeightMap, // Height map to read and change by the current data
const cChunkDef::BiomeMap & a_BiomeMap, // Biomes to adhere to
cEntityList & a_Entities, // Entities may be added or deleted
cBlockEntityList & a_BlockEntities // Block entities may be added or deleted
)
{
// Generate small foliage (1-block):
// TODO: Update heightmap with 1-block-tall foliage
cNoise Noise(m_Seed);
for (int z = 0; z < cChunkDef::Width; z++)
{
int BlockZ = a_ChunkZ * cChunkDef::Width + z;
const float zz = (float)BlockZ;
for (int x = 0; x < cChunkDef::Width; x++)
{
int BlockX = a_ChunkX * cChunkDef::Width + x;
if (((Noise.IntNoise2DInt(BlockX, BlockZ) / 8) % 128) < 124)
{
continue;
}
int Top = cChunkDef::GetHeight(a_HeightMap, x, z);
if (Top > 250)
{
// Nothing grows above Y=250
continue;
}
if (cChunkDef::GetBlock(a_BlockTypes, x, Top + 1, z) != E_BLOCK_AIR)
{
// Space already taken by something else, don't grow here
// WEIRD, since we're using heightmap, so there should NOT be anything above it
continue;
}
const float xx = (float)BlockX;
float val1 = Noise.CubicNoise2D(xx * 0.1f, zz * 0.1f );
float val2 = Noise.CubicNoise2D(xx * 0.01f, zz * 0.01f );
switch (cChunkDef::GetBlock(a_BlockTypes, x, Top, z))
{
case E_BLOCK_GRASS:
{
float val3 = Noise.CubicNoise2D(xx * 0.01f + 10, zz * 0.01f + 10 );
float val4 = Noise.CubicNoise2D(xx * 0.05f + 20, zz * 0.05f + 20 );
if (val1 + val2 > 0.2f)
{
cChunkDef::SetBlock(a_BlockTypes, x, ++Top, z, E_BLOCK_YELLOW_FLOWER);
}
else if (val2 + val3 > 0.2f)
{
cChunkDef::SetBlock(a_BlockTypes, x, ++Top, z, E_BLOCK_RED_ROSE);
}
else if (val3 + val4 > 0.2f)
{
cChunkDef::SetBlock(a_BlockTypes, x, ++Top, z, E_BLOCK_RED_MUSHROOM);
}
else if (val1 + val4 > 0.2f)
{
cChunkDef::SetBlock(a_BlockTypes, x, ++Top, z, E_BLOCK_BROWN_MUSHROOM);
}
else if (val1 + val2 + val3 + val4 < -0.1)
{
cChunkDef::SetBlock (a_BlockTypes, x, ++Top, z, E_BLOCK_TALL_GRASS);
cChunkDef::SetNibble(a_BlockMeta, x, Top, z, E_META_TALL_GRASS_GRASS);
}
break;
} // case E_BLOCK_GRASS
case E_BLOCK_SAND:
{
if (val1 + val2 > 0.f)
{
cChunkDef::SetBlock(a_BlockTypes, x, ++Top, z, E_BLOCK_CACTUS);
if (val1 > val2)
{
cChunkDef::SetBlock(a_BlockTypes, x, ++Top, z, E_BLOCK_CACTUS);
}
}
break;
}
} // switch (TopBlock)
cChunkDef::SetHeight(a_HeightMap, x, z, Top);
} // for y
} // for z
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// cFinishGenSnow:
void cFinishGenSnow::GenFinish(
int a_ChunkX, int a_ChunkZ,
cChunkDef::BlockTypes & a_BlockTypes, // Block types to read and change
cChunkDef::BlockNibbles & a_BlockMeta, // Block meta to read and change
cChunkDef::HeightMap & a_HeightMap, // Height map to read and change by the current data
const cChunkDef::BiomeMap & a_BiomeMap, // Biomes to adhere to
cEntityList & a_Entities, // Entities may be added or deleted
cBlockEntityList & a_BlockEntities // Block entities may be added or deleted
)
{
// Add a snow block in snowy biomes onto blocks that can be snowed over
for (int z = 0; z < cChunkDef::Width; z++)
{
for (int x = 0; x < cChunkDef::Width; x++)
{
switch (cChunkDef::GetBiome(a_BiomeMap, x, z))
{
case biIcePlains:
case biIceMountains:
case biTaiga:
case biTaigaHills:
case biFrozenRiver:
case biFrozenOcean:
{
int Height = cChunkDef::GetHeight(a_HeightMap, x, z);
if (g_BlockIsSnowable[cChunkDef::GetBlock(a_BlockTypes, x, Height, z)])
{
cChunkDef::SetBlock(a_BlockTypes, x, Height + 1, z, E_BLOCK_SNOW);
cChunkDef::SetHeight(a_HeightMap, x, z, Height + 1);
}
break;
}
}
}
} // for z
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// cFinishGenIce:
void cFinishGenIce::GenFinish(
int a_ChunkX, int a_ChunkZ,
cChunkDef::BlockTypes & a_BlockTypes, // Block types to read and change
cChunkDef::BlockNibbles & a_BlockMeta, // Block meta to read and change
cChunkDef::HeightMap & a_HeightMap, // Height map to read and change by the current data
const cChunkDef::BiomeMap & a_BiomeMap, // Biomes to adhere to
cEntityList & a_Entities, // Entities may be added or deleted
cBlockEntityList & a_BlockEntities // Block entities may be added or deleted
)
{
// TODO: Turn surface water into ice in icy biomes
}
|
