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
|
#pragma once
#include "BlockHandler.h"
class cBlockCactusHandler :
public cBlockHandler
{
public:
cBlockCactusHandler(BLOCKTYPE a_BlockType)
: cBlockHandler(a_BlockType)
{
}
virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override
{
// Reset meta to 0
a_Pickups.push_back(cItem(m_BlockType, 1, 0));
}
virtual bool CanBeAt(int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk) override
{
if (a_RelY <= 0)
{
return false;
}
BLOCKTYPE Surface = a_Chunk.GetBlock(a_RelX, a_RelY - 1, a_RelZ);
if ((Surface != E_BLOCK_SAND) && (Surface != E_BLOCK_CACTUS))
{
// Cactus can only be placed on sand and itself
return false;
}
// Check surroundings. Cacti may ONLY be surrounded by air
static const struct
{
int x, z;
} Coords[] =
{
{-1, 0},
{ 1, 0},
{ 0, -1},
{ 0, 1},
} ;
for (size_t i = 0; i < ARRAYCOUNT(Coords); i++)
{
BLOCKTYPE BlockType;
NIBBLETYPE BlockMeta;
if (
a_Chunk.UnboundedRelGetBlock(a_RelX + Coords[i].x, a_RelY, a_RelZ + Coords[i].z, BlockType, BlockMeta) &&
(g_BlockIsSolid[BlockType])
)
{
return false;
}
} // for i - Coords[]
return true;
}
void OnUpdate(cChunk & a_Chunk, int a_RelX, int a_RelY, int a_RelZ) override
{
a_Chunk.GetWorld()->GrowCactus(a_RelX + a_Chunk.GetPosX() * cChunkDef::Width, a_RelY, a_RelZ + a_Chunk.GetPosZ() * cChunkDef::Width, 1);
}
virtual const char * GetStepSound(void) override
{
return "step.cloth";
}
} ;
|