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
|
/* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file object_map.h Map accessors for object tiles. */
#ifndef OBJECT_MAP_H
#define OBJECT_MAP_H
#include "water_map.h"
#include "object_type.h"
/**
* Gets the ObjectType of the given object tile
* @param t the tile to get the type from.
* @pre IsTileType(t, MP_OBJECT)
* @return the type.
*/
static inline ObjectType GetObjectType(TileIndex t)
{
assert(IsTileType(t, MP_OBJECT));
return (ObjectType)_m[t].m5;
}
/**
* Get the index of which object this tile is attached to.
* @param t the tile
* @pre IsTileType(t, MP_OBJECT)
* @return The ObjectID of the object.
*/
static inline ObjectID GetObjectIndex(TileIndex t)
{
assert(IsTileType(t, MP_OBJECT));
return _m[t].m2;
}
/**
* Does the given tile have a transmitter?
* @param t the tile to inspect.
* @return true if and only if the tile has a transmitter.
*/
static inline bool IsTransmitterTile(TileIndex t)
{
return IsTileType(t, MP_OBJECT) && GetObjectType(t) == OBJECT_TRANSMITTER;
}
/**
* Is this object tile an 'owned land' tile?
* @param t the tile to inspect.
* @pre IsTileType(t, MP_OBJECT)
* @return true if and only if the tile is an 'owned land' tile.
*/
static inline bool IsOwnedLand(TileIndex t)
{
assert(IsTileType(t, MP_OBJECT));
return GetObjectType(t) == OBJECT_OWNED_LAND;
}
/**
* Is the given tile (pre-)owned by someone (the little flags)?
* @param t the tile to inspect.
* @return true if and only if the tile is an 'owned land' tile.
*/
static inline bool IsOwnedLandTile(TileIndex t)
{
return IsTileType(t, MP_OBJECT) && IsOwnedLand(t);
}
/**
* Is this object tile a HQ tile?
* @param t the tile to inspect.
* @pre IsTileType(t, MP_OBJECT)
* @return true if and only if the tile is a HQ tile.
*/
static inline bool IsCompanyHQ(TileIndex t)
{
assert(IsTileType(t, MP_OBJECT));
return _m[t].m5 == OBJECT_HQ;
}
/**
* Is this object tile a statue?
* @param t the tile to inspect.
* @pre IsTileType(t, MP_OBJECT)
* @return true if and only if the tile is a statue.
*/
static inline bool IsStatue(TileIndex t)
{
assert(IsTileType(t, MP_OBJECT));
return GetObjectType(t) == OBJECT_STATUE;
}
/**
* Is the given tile a statue?
* @param t the tile to inspect.
* @return true if and only if the tile is a statue.
*/
static inline bool IsStatueTile(TileIndex t)
{
return IsTileType(t, MP_OBJECT) && IsStatue(t);
}
/**
* Get the random bits of this tile.
* @param t The tile to get the bits for.
* @pre IsTileType(t, MP_OBJECT)
* @return The random bits.
*/
static inline byte GetObjectRandomBits(TileIndex t)
{
assert(IsTileType(t, MP_OBJECT));
return _m[t].m3;
}
/**
* Make an Object tile.
* @note do not use this function directly. Use one of the other Make* functions.
* @param t The tile to make and object tile.
* @param u The object type of the tile.
* @param o The new owner of the tile.
* @param index Index to the object.
* @param wc Water class for this object.
* @param random Random data to store on the tile
*/
static inline void MakeObject(TileIndex t, ObjectType u, Owner o, ObjectID index, WaterClass wc, byte random)
{
SetTileType(t, MP_OBJECT);
SetTileOwner(t, o);
SetWaterClass(t, wc);
_m[t].m2 = index;
_m[t].m3 = random;
_m[t].m4 = 0;
_m[t].m5 = u;
SB(_m[t].m6, 2, 4, 0);
_me[t].m7 = 0;
}
#endif /* OBJECT_MAP_H */
|
