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
|
#pragma once
#include "BlockHandler.h"
#include "BlockInfo.h"
#include "Mixins.h"
class cBlockLadderHandler final :
public cClearMetaOnDrop<cMetaRotator<cBlockHandler, 0x07, 0x02, 0x05, 0x03, 0x04> >
{
using Super = cClearMetaOnDrop<cMetaRotator<cBlockHandler, 0x07, 0x02, 0x05, 0x03, 0x04>>;
public:
using Super::Super;
/** Returns true if the ladder will be supported by the block through the given blockface. */
static bool CanBePlacedOn(const BLOCKTYPE a_BlockType, const eBlockFace a_BlockFace)
{
if (
(a_BlockFace == BLOCK_FACE_NONE) ||
(a_BlockFace == BLOCK_FACE_BOTTOM) ||
(a_BlockFace == BLOCK_FACE_TOP)
)
{
return false;
}
return cBlockInfo::IsSolid(a_BlockType);
}
private:
/** Converts the ladder block's meta to the block face of the neighbor to which the ladder is attached. */
static eBlockFace MetaDataToBlockFace(NIBBLETYPE a_MetaData)
{
switch (a_MetaData)
{
case 0x2: return BLOCK_FACE_ZM;
case 0x3: return BLOCK_FACE_ZP;
case 0x4: return BLOCK_FACE_XM;
case 0x5: return BLOCK_FACE_XP;
default: return BLOCK_FACE_ZM;
}
}
virtual bool CanBeAt(const cChunk & a_Chunk, const Vector3i a_Position, const NIBBLETYPE a_Meta) const override
{
auto Face = MetaDataToBlockFace(a_Meta);
auto NeighborRelPos = AddFaceDirection(a_Position, Face, true);
BLOCKTYPE NeighborBlockType;
a_Chunk.UnboundedRelGetBlockType(NeighborRelPos, NeighborBlockType);
return CanBePlacedOn(NeighborBlockType, Face);
}
virtual ColourID GetMapBaseColourID(NIBBLETYPE a_Meta) const override
{
UNUSED(a_Meta);
return 0;
}
} ;
|
