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
|
#pragma once
#include "BlockHandler.h"
class cBlockFluidHandler : public cBlockHandler
{
using Super = cBlockHandler;
public:
using Super::Super;
protected:
~cBlockFluidHandler() = default;
private:
virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
{
// No pickups
return {};
}
virtual bool DoesIgnoreBuildCollision(
const cWorld & a_World,
const cItem & a_HeldItem,
const Vector3i a_Position,
const NIBBLETYPE a_Meta,
const eBlockFace a_ClickedBlockFace,
const bool a_ClickedDirectly
) const override
{
return true;
}
};
class cBlockLavaHandler final : public cBlockFluidHandler
{
using Super = cBlockFluidHandler;
public:
using Super::Super;
private:
virtual void OnUpdate(
cChunkInterface & a_ChunkInterface,
cWorldInterface & a_WorldInterface,
cBlockPluginInterface & a_PluginInterface,
cChunk & a_Chunk,
const Vector3i a_RelPos
) const 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) || !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) && 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) const override
{
UNUSED(a_Meta);
return 4;
}
virtual bool CanSustainPlant(BLOCKTYPE a_Plant) const override { return false; }
};
class cBlockWaterHandler final : public cBlockFluidHandler
{
public:
using cBlockFluidHandler::cBlockFluidHandler;
private:
virtual ColourID GetMapBaseColourID(NIBBLETYPE a_Meta) const 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) const 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)
);
}
};
|
