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
|
// ItemBoat.h
// Declares the various boat ItemHandlers
#pragma once
#include "../Entities/Boat.h"
#include "../LineBlockTracer.h"
class cItemBoatHandler :
public cItemHandler
{
typedef cItemHandler super;
public:
cItemBoatHandler(int a_ItemType) :
super(a_ItemType)
{
}
virtual bool OnItemUse(cWorld * a_World, cPlayer * a_Player, const cItem & a_Item, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_Dir) /*override*/
{
if ((a_Dir != BLOCK_FACE_YM) && (a_Dir != BLOCK_FACE_NONE))
{
return false;
}
class cCallbacks :
public cBlockTracer::cCallbacks
{
public:
Vector3d m_Pos;
bool m_HasFound;
cCallbacks(void) :
m_HasFound(false)
{
}
virtual bool OnNextBlock(int a_CBBlockX, int a_CBBlockY, int a_CBBlockZ, BLOCKTYPE a_CBBlockType, NIBBLETYPE a_CBBlockMeta, char a_CBEntryFace) /*override*/
{
if (a_CBBlockType != E_BLOCK_AIR)
{
m_Pos.Set(a_CBBlockX, a_CBBlockY, a_CBBlockZ);
m_HasFound = true;
return true;
}
return false;
}
} Callbacks;
cLineBlockTracer Tracer(*a_World, Callbacks);
Vector3d Start(a_Player->GetEyePosition() + a_Player->GetLookVector());
Vector3d End(a_Player->GetEyePosition() + a_Player->GetLookVector() * 5);
Tracer.Trace(Start.x, Start.y, Start.z, End.x, End.y, End.z);
if (!Callbacks.m_HasFound)
{
return false;
}
double x = Callbacks.m_Pos.x;
double y = Callbacks.m_Pos.y;
double z = Callbacks.m_Pos.z;
cBoat * Boat = new cBoat(x + 0.5, y + 1, z + 0.5);
Boat->Initialize(*a_World);
return true;
}
} ;
|