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
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
#pragma once
#include "BlockHandler.h"
class cBlockFluidHandler:
public cBlockHandler
{
using Super = cBlockHandler;
public:
cBlockFluidHandler(BLOCKTYPE a_BlockType):
Super(a_BlockType)
{
}
virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, cBlockEntity * a_BlockEntity, const cEntity * a_Digger, const cItem * a_Tool) override
{
// No pickups
return {};
}
virtual bool DoesIgnoreBuildCollision(cChunkInterface & a_ChunkInterface, Vector3i a_Pos, cPlayer & a_Player, NIBBLETYPE a_Meta) override
{
return true;
}
virtual void Check(
cChunkInterface & a_ChunkInterface, cBlockPluginInterface & a_PluginInterface,
Vector3i a_RelPos,
cChunk & a_Chunk
) override
{
switch (m_BlockType)
{
case E_BLOCK_STATIONARY_LAVA:
{
a_Chunk.FastSetBlock(a_RelPos, E_BLOCK_LAVA, a_Chunk.GetMeta(a_RelPos));
break;
}
case E_BLOCK_STATIONARY_WATER:
{
a_Chunk.FastSetBlock(a_RelPos, E_BLOCK_WATER, a_Chunk.GetMeta(a_RelPos));
break;
}
}
Super::Check(a_ChunkInterface, a_PluginInterface, a_RelPos, a_Chunk);
}
virtual ColourID GetMapBaseColourID(NIBBLETYPE a_Meta) override
{
UNUSED(a_Meta);
if (IsBlockWater(m_BlockType))
{
return 12;
}
ASSERT(!"Unhandled blocktype in fluid/water handler!");
return 0;
}
virtual bool CanSustainPlant(BLOCKTYPE a_Plant) override
{
return (
(a_Plant == E_BLOCK_BEETROOTS) ||
(a_Plant == E_BLOCK_CROPS) ||
(a_Plant == E_BLOCK_CARROTS) ||
(a_Plant == E_BLOCK_POTATOES) ||
(a_Plant == E_BLOCK_MELON_STEM) ||
(a_Plant == E_BLOCK_PUMPKIN_STEM)
);
}
} ;
class cBlockLavaHandler:
public cBlockFluidHandler
{
using Super = cBlockFluidHandler;
public:
cBlockLavaHandler(BLOCKTYPE a_BlockType):
Super(a_BlockType)
{
}
virtual void OnUpdate(
cChunkInterface & a_ChunkInterface,
cWorldInterface & a_WorldInterface,
cBlockPluginInterface & a_PluginInterface,
cChunk & a_Chunk,
const Vector3i a_RelPos
) override
{
if (a_Chunk.GetWorld()->ShouldLavaSpawnFire())
{
// Try to start up to 5 fires:
for (int i = 0; i < 5; i++)
{
TryStartFireNear(a_RelPos, a_Chunk);
}
}
}
/** Tries to start a fire near the lava at given coords. Returns true if fire started. */
static bool TryStartFireNear(const Vector3i a_RelPos, cChunk & a_Chunk)
{
// Pick a random block next to this lava block:
int rnd = a_Chunk.GetWorld()->GetTickRandomNumber(cChunkDef::NumBlocks * 8) / 7;
int x = (rnd % 3) - 1; // -1 .. 1
int y = ((rnd / 4) % 4) - 1; // -1 .. 2
int z = ((rnd / 16) % 3) - 1; // -1 .. 1
auto Pos = a_RelPos + Vector3i(x, y, z);
// Check if it's fuel:
BLOCKTYPE BlockType;
if (
!cChunkDef::IsValidHeight(Pos.y) ||
!a_Chunk.UnboundedRelGetBlockType(Pos, BlockType) ||
!cFireSimulator::IsFuel(BlockType)
)
{
return false;
}
// Try to set it on fire:
static Vector3i CrossCoords[] =
{
{-1, 0, 0},
{ 1, 0, 0},
{ 0, -1, 0},
{ 0, 1, 0},
{ 0, 0, -1},
{ 0, 0, 1},
} ;
for (size_t i = 0; i < ARRAYCOUNT(CrossCoords); i++)
{
auto NeighborPos = Pos + CrossCoords[i];
if (
cChunkDef::IsValidHeight(NeighborPos.y) &&
a_Chunk.UnboundedRelGetBlockType(NeighborPos, BlockType) &&
(BlockType == E_BLOCK_AIR)
)
{
// This is an air block next to a fuel next to lava, light the fuel block up:
a_Chunk.UnboundedRelSetBlock(NeighborPos, E_BLOCK_FIRE, 0);
return true;
}
} // for i - CrossCoords[]
return false;
}
virtual ColourID GetMapBaseColourID(NIBBLETYPE a_Meta) override
{
UNUSED(a_Meta);
return 4;
}
virtual bool CanSustainPlant(BLOCKTYPE a_Plant) override
{
return false;
}
} ;
|
