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
|
#pragma once
#include "RedstoneHandler.h"
#include "../../Blocks/BlockTripwireHook.h"
class cTripwireHookHandler final : public cRedstoneHandler
{
public:
virtual unsigned char GetPowerDeliveredToPosition(cChunk & a_Chunk, Vector3i a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, Vector3i a_QueryPosition, BLOCKTYPE a_QueryBlockType) const override
{
UNUSED(a_BlockType);
UNUSED(a_QueryBlockType);
UNUSED(a_QueryPosition);
return (GetPowerLevel(a_Chunk, a_Position, a_Meta) == 15) ? 15 : 0;
}
static unsigned char GetPowerLevel(cChunk & a_Chunk, Vector3i a_Position, NIBBLETYPE a_Meta)
{
bool FoundActivated = false;
const auto FaceToGoTowards = cBlockTripwireHookHandler::MetadataToDirection(a_Meta);
for (int i = 0; i < 40; ++i) // Tripwires can be connected up to 40 blocks
{
BLOCKTYPE Type;
NIBBLETYPE Meta;
a_Position = AddFaceDirection(a_Position, FaceToGoTowards);
if (!a_Chunk.UnboundedRelGetBlock(a_Position, Type, Meta))
{
return 0;
}
if (Type == E_BLOCK_TRIPWIRE)
{
if (FoundActivated)
{
continue;
}
if (
!a_Chunk.ForEachEntityInBox(
cBoundingBox(Vector3d(0.5, 0, 0.5) + cChunkDef::RelativeToAbsolute(a_Position, a_Chunk.GetPos()), 0.5, 0.5),
[](cEntity &) { return true; }
)
)
{
FoundActivated = true;
}
continue;
}
else if (Type == E_BLOCK_TRIPWIRE_HOOK)
{
if (ReverseBlockFace(cBlockTripwireHookHandler::MetadataToDirection(Meta)) == FaceToGoTowards)
{
// Other hook facing in opposite direction - circuit completed!
return FoundActivated ? 15 : 1;
}
}
// Tripwire hook not connected at all
return 0;
}
return 0;
}
virtual void Update(cChunk & a_Chunk, cChunk & CurrentlyTicking, Vector3i a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, PoweringData a_PoweringData) const override
{
// LOGD("Evaluating hooky the tripwire hook (%d %d %d)", a_Position.x, a_Position.y, a_Position.z);
const auto Power = GetPowerLevel(a_Chunk, a_Position, a_Meta);
NIBBLETYPE Meta;
if (Power == 0)
{
Meta = (a_Meta & 0x3);
}
else if (Power == 1)
{
// Connected but not activated, AND away the highest bit
Meta = (a_Meta & 0x7) | 0x4;
}
else if (Power == 15)
{
// Connected and activated, set the 3rd and 4th highest bits
Meta = (a_Meta | 0xC);
}
else
{
UNREACHABLE("Unexpected tripwire hook power level!");
}
if (Meta != a_Meta)
{
a_Chunk.SetMeta(a_Position, Meta);
UpdateAdjustedRelatives(a_Chunk, CurrentlyTicking, a_Position, RelativeAdjacents);
}
}
virtual void ForValidSourcePositions(cChunk & a_Chunk, Vector3i a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, SourceCallback Callback) const override
{
UNUSED(a_Chunk);
UNUSED(a_BlockType);
UNUSED(a_Meta);
UNUSED(a_Position);
UNUSED(Callback);
}
};
|
