summaryrefslogtreecommitdiff
path: root/src/signs.h
blob: cdda623a059d06014eca950701d2857c6fce4ea6 (plain)
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
/* $Id$ */

#ifndef SIGNS_H
#define SIGNS_H

#include "oldpool.h"

typedef struct Sign {
	StringID     str;
	ViewportSign sign;
	int32        x;
	int32        y;
	byte         z;
	PlayerByte   owner; // placed by this player. Anyone can delete them though. OWNER_NONE for gray signs from old games.

	SignID       index;
} Sign;

DECLARE_OLD_POOL(Sign, Sign, 2, 16000)

static inline SignID GetMaxSignIndex(void)
{
	/* TODO - This isn't the real content of the function, but
	 *  with the new pool-system this will be replaced with one that
	 *  _really_ returns the highest index. Now it just returns
	 *  the next safe value we are sure about everything is below.
	 */
	return GetSignPoolSize() - 1;
}

static inline uint GetNumSigns(void)
{
	return GetSignPoolSize();
}

/**
 * Check if a Sign really exists.
 */
static inline bool IsValidSign(const Sign *si)
{
	return si->str != STR_NULL;
}

static inline bool IsValidSignID(uint index)
{
	return index < GetSignPoolSize() && IsValidSign(GetSign(index));
}

void DestroySign(Sign *si);

static inline void DeleteSign(Sign *si)
{
	DestroySign(si);
	si->str = STR_NULL;
}

#define FOR_ALL_SIGNS_FROM(ss, start) for (ss = GetSign(start); ss != NULL; ss = (ss->index + 1U < GetSignPoolSize()) ? GetSign(ss->index + 1U) : NULL) if (IsValidSign(ss))
#define FOR_ALL_SIGNS(ss) FOR_ALL_SIGNS_FROM(ss, 0)

VARDEF bool _sign_sort_dirty;

void UpdateAllSignVirtCoords(void);
void PlaceProc_Sign(TileIndex tile);

/* misc.c */
void ShowRenameSignWindow(const Sign *si);

void ShowSignList(void);

#endif /* SIGNS_H */