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
|
// BlockHopper.h
// Declares the cBlockHopperHandler class representing the handler for the Hopper block
#include "MetaRotator.h"
class cBlockHopperHandler :
public cMetaRotator<cBlockEntityHandler, 0x07, 0x02, 0x05, 0x03, 0x04>
{
public:
cBlockHopperHandler(BLOCKTYPE a_BlockType)
: cMetaRotator<cBlockEntityHandler, 0x07, 0x02, 0x05, 0x03, 0x04>(a_BlockType)
{
}
virtual bool GetPlacementBlockTypeMeta(
cChunkInterface & a_ChunkInterface, cPlayer * a_Player,
int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace,
int a_CursorX, int a_CursorY, int a_CursorZ,
BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta
) override
{
a_BlockType = m_BlockType;
// Convert the blockface into meta:
switch (a_BlockFace)
{
case BLOCK_FACE_BOTTOM: a_BlockMeta = E_META_HOPPER_FACING_YM; break;
case BLOCK_FACE_TOP: a_BlockMeta = E_META_HOPPER_FACING_YM; break;
case BLOCK_FACE_EAST: a_BlockMeta = E_META_HOPPER_FACING_XM; break;
case BLOCK_FACE_NORTH: a_BlockMeta = E_META_HOPPER_FACING_ZP; break;
case BLOCK_FACE_SOUTH: a_BlockMeta = E_META_HOPPER_FACING_ZM; break;
case BLOCK_FACE_WEST: a_BlockMeta = E_META_HOPPER_FACING_XP; break;
case BLOCK_FACE_NONE: a_BlockMeta = E_META_HOPPER_UNATTACHED; break;
}
return true;
}
virtual NIBBLETYPE MetaMirrorXZ(NIBBLETYPE a_Meta) override
{
// Bit 0x08 is a flag. Lowest three bits are position. 0x08 == 1000
NIBBLETYPE OtherMeta = a_Meta & 0x08;
// Mirrors defined by by a table. (Source, mincraft.gamepedia.com) 0x07 == 0111
switch (a_Meta & 0x07)
{
case 0x00: return 0x01 + OtherMeta; // Down -> Up
case 0x01: return 0x00 + OtherMeta; // Up -> Down
}
// Not Facing Up or Down; No change.
return a_Meta;
}
virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override
{
// Reset meta to 0
a_Pickups.push_back(cItem(m_BlockType, 1, 0));
}
virtual ColourID GetMapBaseColourID(NIBBLETYPE a_Meta) override
{
UNUSED(a_Meta);
return 11;
}
} ;
|
