signs.h
author pasky
Sun, 27 Mar 2005 15:13:51 +0000
changeset 1583 7617a49e78e8
parent 1575 1f403d3c354f
child 1837 549f054afcbc
permissions -rw-r--r--
(svn r2087) Show also the modified filenames along each change in svn log. Prevents enraging Darkvater, and we show the commit messages along changed files everywhere else too (on IRC and in mail).
#ifndef SIGNS_H
#define SIGNS_H

#include "pool.h"

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

	uint16       index;
} SignStruct;

extern MemoryPool _sign_pool;

/**
 * Check if a Sign really exists.
 */
static inline bool IsValidSign(SignStruct* ss)
{
	return ss->str != 0;
}

/**
 * Get the pointer to the sign with index 'index'
 */
static inline SignStruct *GetSign(uint index)
{
	return (SignStruct*)GetItemFromPool(&_sign_pool, index);
}

/**
 * Get the current size of the SignPool
 */
static inline uint16 GetSignPoolSize(void)
{
	return _sign_pool.total_items;
}

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

VARDEF SignStruct *_new_sign_struct;

VARDEF bool _sign_sort_dirty;
VARDEF uint16 *_sign_sort;

void UpdateAllSignVirtCoords(void);
void PlaceProc_Sign(uint tile);

/* misc.c */
void ShowRenameSignWindow(SignStruct *ss);

#endif /* SIGNS_H */