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Location: cpp/openttd-patchpack/source/src/object_map.h - annotation
r18945:92861bb10006
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(svn r23809) -Feature: Enhance some fatal NewGRF errors with the spritenumber that caused the problem.
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/*
* 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 obect.
* @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 */
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