cpp/openttd-patchpack/source Files · src/signs.h

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Location: cpp/openttd-patchpack/source/src/signs.h

r8781:bd977c904a17 1.6 KiB text/x-c Show Annotation Show as Raw Download as Raw

bjarni

(svn r12482) -Fix: [build train] we don't need to have a depot in order to just check the price of a rail vehicle so don't check for compatible rails on the tile either
also wagons will only need tracks they can drive on in order to be build so there is no reason to check for power in the depot

/* $Id$ */

/** @file signs.h */

#ifndef SIGNS_H
#define SIGNS_H

#include "oldpool.h"

typedef uint16 SignID;
struct Sign;
DECLARE_OLD_POOL(Sign, Sign, 2, 16000)

struct Sign : PoolItem<Sign, SignID, &_Sign_pool> {
	char *name;
	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.

	/**
	 * Creates a new sign
	 */
	Sign(PlayerID owner = INVALID_PLAYER);

	/** Destroy the sign */
	~Sign();

	inline bool IsValid() const { return this->owner != INVALID_PLAYER; }
};

enum {
	INVALID_SIGN = 0xFFFF,
};

extern SignID _new_sign_id;


static inline SignID GetMaxSignIndex()
{
	/* 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()
{
	extern uint _total_signs;
	return _total_signs;
}

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

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

extern bool _sign_sort_dirty;

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

/* signs_gui.cpp */
void ShowRenameSignWindow(const Sign *si);

void ShowSignList();

#endif /* SIGNS_H */