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
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
// BlockSlab.h
// Declares cBlockSlabHandler and cBlockDoubleSlabHandler classes
#pragma once
#include "BlockHandler.h"
#include "../Items/ItemHandler.h"
#include "ChunkInterface.h"
#include "../Entities/Player.h"
class cBlockSlabHandler :
public cBlockHandler
{
public:
cBlockSlabHandler(BLOCKTYPE a_BlockType)
: cBlockHandler(a_BlockType)
{
}
virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override
{
a_Pickups.push_back(cItem(m_BlockType, 1, a_BlockMeta & 0x7));
}
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;
NIBBLETYPE Meta = static_cast<NIBBLETYPE>(a_Player->GetEquippedItem().m_ItemDamage);
// Set the correct metadata based on player equipped item (i.e. a_BlockMeta not initialised yet)
switch (a_BlockFace)
{
case BLOCK_FACE_TOP:
{
// Bottom half slab block
a_BlockMeta = Meta & 0x7;
break;
}
case BLOCK_FACE_BOTTOM:
{
// Top half slab block
a_BlockMeta = Meta | 0x8;
break;
}
case BLOCK_FACE_EAST:
case BLOCK_FACE_NORTH:
case BLOCK_FACE_SOUTH:
case BLOCK_FACE_WEST:
{
if (a_CursorY > 7)
{
// Cursor at top half of block, place top slab
a_BlockMeta = Meta | 0x8; break;
}
else
{
// Cursor at bottom half of block, place bottom slab
a_BlockMeta = Meta & 0x7; break;
}
}
case BLOCK_FACE_NONE: return false;
} // switch (a_BlockFace)
// Check if the block at the coordinates is a single slab. Eligibility for combining has already been processed in ClientHandle
// Changed to-be-placed to a double slab if we are clicking on a single slab, as opposed to placing one for the first time
if (IsAnySlabType(a_ChunkInterface.GetBlock(a_BlockX, a_BlockY, a_BlockZ)))
{
a_BlockType = GetDoubleSlabType(m_BlockType);
a_BlockMeta = a_BlockMeta & 0x7;
}
return true;
}
/** Returns true if the specified blocktype is one of the slabs handled by this handler */
static bool IsAnySlabType(BLOCKTYPE a_BlockType)
{
return ((a_BlockType == E_BLOCK_WOODEN_SLAB) || (a_BlockType == E_BLOCK_STONE_SLAB) || (a_BlockType == E_BLOCK_RED_SANDSTONE_SLAB));
}
virtual void OnCancelRightClick(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace) override
{
if ((a_BlockFace == BLOCK_FACE_NONE) || (a_Player->GetEquippedItem().m_ItemType != static_cast<short>(m_BlockType)))
{
return;
}
// Sends the slab back to the client. It's to refuse a doubleslab placement. */
a_Player->GetWorld()->SendBlockTo(a_BlockX, a_BlockY, a_BlockZ, a_Player);
}
/** Converts the single-slab blocktype to its equivalent double-slab blocktype */
static BLOCKTYPE GetDoubleSlabType(BLOCKTYPE a_SingleSlabBlockType)
{
switch (a_SingleSlabBlockType)
{
case E_BLOCK_STONE_SLAB: return E_BLOCK_DOUBLE_STONE_SLAB;
case E_BLOCK_WOODEN_SLAB: return E_BLOCK_DOUBLE_WOODEN_SLAB;
case E_BLOCK_RED_SANDSTONE_SLAB: return E_BLOCK_DOUBLE_RED_SANDSTONE_SLAB;
}
ASSERT(!"Unhandled slab type!");
return E_BLOCK_AIR;
}
virtual NIBBLETYPE MetaMirrorXZ(NIBBLETYPE a_Meta) override
{
// Toggle the 4th bit - up / down:
return (a_Meta ^ 0x08);
}
virtual ColourID GetMapBaseColourID(NIBBLETYPE a_Meta) override
{
a_Meta &= 0x7;
switch (m_BlockType)
{
case E_BLOCK_STONE_SLAB:
{
switch (a_Meta)
{
case E_META_STONE_SLAB_SANDSTONE: return 2;
case E_META_STONE_SLAB_PLANKS: return 13;
case E_META_STONE_SLAB_STONE_BRICK:
case E_META_STONE_SLAB_STONE:
case E_META_STONE_SLAB_COBBLESTONE: return 11;
case E_META_STONE_SLAB_BRICK: return 28;
case E_META_STONE_SLAB_NETHER_BRICK: return 35;
case E_META_STONE_SLAB_QUARTZ: return 8;
default:
{
ASSERT(!"Unhandled meta in slab handler!");
return 0;
}
}
}
case E_BLOCK_WOODEN_SLAB:
{
switch (a_Meta)
{
case E_META_WOODEN_SLAB_BIRCH: return 2;
case E_META_WOODEN_SLAB_JUNGLE: return 10;
case E_META_WOODEN_SLAB_OAK: return 13;
case E_META_WOODEN_SLAB_ACACIA: return 15;
case E_META_WOODEN_SLAB_DARK_OAK: return 26;
case E_META_WOODEN_SLAB_SPRUCE: return 34;
default:
{
ASSERT(!"Unhandled meta in slab handler!");
return 0;
}
}
}
case E_BLOCK_RED_SANDSTONE_SLAB:
{
return 10;
}
default:
{
ASSERT(!"Unhandled blocktype in slab handler!");
return 0;
}
}
}
virtual bool IsInsideBlock(const Vector3d & a_Position, const BLOCKTYPE a_BlockType, const NIBBLETYPE a_BlockMeta) override
{
if (a_BlockMeta & 0x8) // top half
{
return true;
}
return cBlockHandler::IsInsideBlock(a_Position, a_BlockType, a_BlockMeta);
}
} ;
class cBlockDoubleSlabHandler :
public cBlockHandler
{
public:
cBlockDoubleSlabHandler(BLOCKTYPE a_BlockType)
: cBlockHandler(a_BlockType)
{
}
virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override
{
BLOCKTYPE Block = GetSingleSlabType(m_BlockType);
a_Pickups.push_back(cItem(Block, 2, a_BlockMeta & 0x7));
}
inline static BLOCKTYPE GetSingleSlabType(BLOCKTYPE a_BlockType)
{
switch (a_BlockType)
{
case E_BLOCK_DOUBLE_STONE_SLAB: return E_BLOCK_STONE_SLAB;
case E_BLOCK_DOUBLE_WOODEN_SLAB: return E_BLOCK_WOODEN_SLAB;
case E_BLOCK_DOUBLE_RED_SANDSTONE_SLAB: return E_BLOCK_RED_SANDSTONE_SLAB;
}
ASSERT(!"Unhandled double slab type!");
return a_BlockType;
}
virtual ColourID GetMapBaseColourID(NIBBLETYPE a_Meta) override
{
// For doule slabs, the meta values are the same. Only the meaning of the 4th bit changes, but that's ignored in the below handler
return BlockHandler(GetSingleSlabType(m_BlockType))->GetMapBaseColourID(a_Meta);
}
} ;
|
