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Location: cpp/openttd-patchpack/source/src/road_map.h - annotation
r10412:5923d8bb7636
12.3 KiB
text/x-c
(svn r14665) -Update: WebTranslator2 update to 2008-12-09 18:44:40
arabic_egypt - 301 fixed by khaloofah (301)
esperanto - 64 fixed, 2 changed by alekcxjo (66)
hebrew - 430 fixed by moshe (430)
hungarian - 10 changed by alyr (9), oklmernok (1)
indonesian - 49 fixed, 4 changed by fanioz (40), anansboga (13)
lithuanian - 5 fixed by Enternald (5)
portuguese - 6 fixed by SnowFlake (6)
thai - 333 fixed by vetbook (333)
arabic_egypt - 301 fixed by khaloofah (301)
esperanto - 64 fixed, 2 changed by alekcxjo (66)
hebrew - 430 fixed by moshe (430)
hungarian - 10 changed by alyr (9), oklmernok (1)
indonesian - 49 fixed, 4 changed by fanioz (40), anansboga (13)
lithuanian - 5 fixed by Enternald (5)
portuguese - 6 fixed by SnowFlake (6)
thai - 333 fixed by vetbook (333)
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/** @file road_map.h Map accessors for roads. */
#ifndef ROAD_MAP_H
#define ROAD_MAP_H
#include "track_func.h"
#include "rail_type.h"
#include "town_type.h"
#include "road_func.h"
#include "tile_map.h"
enum RoadTileType {
ROAD_TILE_NORMAL,
ROAD_TILE_CROSSING,
ROAD_TILE_DEPOT
};
static inline RoadTileType GetRoadTileType(TileIndex t)
{
assert(IsTileType(t, MP_ROAD));
return (RoadTileType)GB(_m[t].m5, 6, 2);
}
static inline bool IsNormalRoad(TileIndex t)
{
return GetRoadTileType(t) == ROAD_TILE_NORMAL;
}
static inline bool IsNormalRoadTile(TileIndex t)
{
return IsTileType(t, MP_ROAD) && IsNormalRoad(t);
}
static inline bool IsLevelCrossing(TileIndex t)
{
return GetRoadTileType(t) == ROAD_TILE_CROSSING;
}
static inline bool IsLevelCrossingTile(TileIndex t)
{
return IsTileType(t, MP_ROAD) && IsLevelCrossing(t);
}
static inline bool IsRoadDepot(TileIndex t)
{
return GetRoadTileType(t) == ROAD_TILE_DEPOT;
}
static inline bool IsRoadDepotTile(TileIndex t)
{
return IsTileType(t, MP_ROAD) && IsRoadDepot(t);
}
static inline RoadBits GetRoadBits(TileIndex t, RoadType rt)
{
assert(IsNormalRoad(t));
switch (rt) {
default: NOT_REACHED();
case ROADTYPE_ROAD: return (RoadBits)GB(_m[t].m4, 0, 4);
case ROADTYPE_TRAM: return (RoadBits)GB(_m[t].m4, 4, 4);
case ROADTYPE_HWAY: return (RoadBits)GB(_m[t].m6, 2, 4);
}
}
/**
* Get all RoadBits set on a tile except from the given RoadType
*
* @param t The tile from which we want to get the RoadBits
* @param rt The RoadType which we exclude from the querry
* @return all set RoadBits of the tile which are not from the given RoadType
*/
static inline RoadBits GetOtherRoadBits(TileIndex t, RoadType rt)
{
return ((rt == ROADTYPE_ROAD) ? ROAD_NONE : GetRoadBits(t, ROADTYPE_ROAD)) |
((rt == ROADTYPE_TRAM) ? ROAD_NONE : GetRoadBits(t, ROADTYPE_TRAM)) |
((rt == ROADTYPE_HWAY) ? ROAD_NONE : GetRoadBits(t, ROADTYPE_HWAY));
}
/**
* Get all set RoadBits on the given tile
*
* @param tile The tile from which we want to get the RoadBits
* @return all set RoadBits of the tile
*/
static inline RoadBits GetAllRoadBits(TileIndex tile)
{
return GetRoadBits(tile, ROADTYPE_ROAD) | GetRoadBits(tile, ROADTYPE_TRAM) | GetRoadBits(tile, ROADTYPE_HWAY);
}
static inline void SetRoadBits(TileIndex t, RoadBits r, RoadType rt)
{
assert(IsNormalRoad(t)); // XXX incomplete
switch (rt) {
default: NOT_REACHED();
case ROADTYPE_ROAD: SB(_m[t].m4, 0, 4, r); break;
case ROADTYPE_TRAM: SB(_m[t].m4, 4, 4, r); break;
case ROADTYPE_HWAY: SB(_m[t].m6, 2, 4, r); break;
}
}
static inline RoadTypes GetRoadTypes(TileIndex t)
{
if (IsTileType(t, MP_ROAD)) {
return (RoadTypes)GB(_me[t].m7, 5, 3);
} else {
return (RoadTypes)GB(_m[t].m3, 0, 3);
}
}
static inline void SetRoadTypes(TileIndex t, RoadTypes rt)
{
if (IsTileType(t, MP_ROAD)) {
SB(_me[t].m7, 5, 3, rt);
} else {
assert(IsTileType(t, MP_STATION) || IsTileType(t, MP_TUNNELBRIDGE));
SB(_m[t].m3, 0, 2, rt);
}
}
static inline bool HasTileRoadType(TileIndex t, RoadType rt)
{
return HasBit(GetRoadTypes(t), rt);
}
static inline Owner GetRoadOwner(TileIndex t, RoadType rt)
{
if (!IsTileType(t, MP_ROAD)) return GetTileOwner(t);
switch (GetRoadTileType(t)) {
default: NOT_REACHED();
case ROAD_TILE_NORMAL:
switch (rt) {
default: NOT_REACHED();
case ROADTYPE_ROAD: return (Owner)GB( _m[t].m1, 0, 5);
case ROADTYPE_TRAM: {
/* Trams don't need OWNER_TOWN, and remapping OWNER_NONE
* to OWNER_TOWN makes it use one bit less */
Owner o = (Owner)GB( _m[t].m5, 0, 4);
return o == OWNER_TOWN ? OWNER_NONE : o;
}
case ROADTYPE_HWAY: return (Owner)GB(_me[t].m7, 0, 5);
}
case ROAD_TILE_CROSSING:
switch (rt) {
default: NOT_REACHED();
case ROADTYPE_ROAD: return (Owner)GB( _m[t].m4, 0, 5);
case ROADTYPE_TRAM: {
/* Trams don't need OWNER_TOWN, and remapping OWNER_NONE
* to OWNER_TOWN makes it use one bit less */
Owner o = (Owner)GB( _m[t].m5, 0, 4);
return o == OWNER_TOWN ? OWNER_NONE : o;
}
case ROADTYPE_HWAY: return (Owner)GB(_me[t].m7, 0, 5);
}
case ROAD_TILE_DEPOT: return GetTileOwner(t);
}
}
static inline void SetRoadOwner(TileIndex t, RoadType rt, Owner o)
{
if (!IsTileType(t, MP_ROAD)) return SetTileOwner(t, o);
switch (GetRoadTileType(t)) {
default: NOT_REACHED();
case ROAD_TILE_NORMAL:
switch (rt) {
default: NOT_REACHED();
case ROADTYPE_ROAD: SB( _m[t].m1, 0, 5, o); break;
case ROADTYPE_TRAM: SB( _m[t].m5, 0, 4, o == OWNER_NONE ? OWNER_TOWN : o); break;
case ROADTYPE_HWAY: SB(_me[t].m7, 0, 5, o); break;
}
break;
case ROAD_TILE_CROSSING:
switch (rt) {
default: NOT_REACHED();
case ROADTYPE_ROAD: SB( _m[t].m4, 0, 5, o); break;
/* Trams don't need OWNER_TOWN, and remapping OWNER_NONE
* to OWNER_TOWN makes it use one bit less */
case ROADTYPE_TRAM: SB( _m[t].m5, 0, 4, o == OWNER_NONE ? OWNER_TOWN : o); break;
case ROADTYPE_HWAY: SB(_me[t].m7, 0, 5, o); break;
}
break;
case ROAD_TILE_DEPOT: return SetTileOwner(t, o);
}
}
static inline bool IsRoadOwner(TileIndex t, RoadType rt, Owner o)
{
assert(HasTileRoadType(t, rt));
return (GetRoadOwner(t, rt) == o);
}
/** Checks if given tile has town owned road
* @param t tile to check
* @return true iff tile has road and the road is owned by a town
* @pre IsTileType(t, MP_ROAD)
*/
static inline bool HasTownOwnedRoad(TileIndex t)
{
assert(IsTileType(t, MP_ROAD));
return HasTileRoadType(t, ROADTYPE_ROAD) && IsRoadOwner(t, ROADTYPE_ROAD, OWNER_TOWN);
}
/** Which directions are disallowed ? */
enum DisallowedRoadDirections {
DRD_NONE, ///< None of the directions are disallowed
DRD_SOUTHBOUND, ///< All southbound traffic is disallowed
DRD_NORTHBOUND, ///< All northbound traffic is disallowed
DRD_BOTH, ///< All directions are disallowed
DRD_END
};
DECLARE_ENUM_AS_BIT_SET(DisallowedRoadDirections);
/**
* Gets the disallowed directions
* @param t the tile to get the directions from
* @return the disallowed directions
*/
static inline DisallowedRoadDirections GetDisallowedRoadDirections(TileIndex t)
{
assert(IsNormalRoad(t));
return (DisallowedRoadDirections)GB(_m[t].m5, 4, 2);
}
/**
* Sets the disallowed directions
* @param t the tile to set the directions for
* @param drd the disallowed directions
*/
static inline void SetDisallowedRoadDirections(TileIndex t, DisallowedRoadDirections drd)
{
assert(IsNormalRoad(t));
assert(drd < DRD_END);
SB(_m[t].m5, 4, 2, drd);
}
static inline Axis GetCrossingRoadAxis(TileIndex t)
{
assert(IsLevelCrossing(t));
return (Axis)GB(_m[t].m4, 6, 1);
}
static inline Axis GetCrossingRailAxis(TileIndex t)
{
assert(IsLevelCrossing(t));
return OtherAxis((Axis)GetCrossingRoadAxis(t));
}
static inline RoadBits GetCrossingRoadBits(TileIndex tile)
{
return GetCrossingRoadAxis(tile) == AXIS_X ? ROAD_X : ROAD_Y;
}
static inline Track GetCrossingRailTrack(TileIndex tile)
{
return AxisToTrack(GetCrossingRailAxis(tile));
}
static inline TrackBits GetCrossingRailBits(TileIndex tile)
{
return AxisToTrackBits(GetCrossingRailAxis(tile));
}
/**
* Get the reservation state of the rail crossing
* @pre IsLevelCrossingTile(t)
* @param t the crossing tile
* @return reservation state
*/
static inline bool GetCrossingReservation(TileIndex t)
{
assert(IsLevelCrossingTile(t));
return HasBit(_m[t].m5, 4);
}
/**
* Set the reservation state of the rail crossing
* @note Works for both waypoints and rail depots
* @pre IsLevelCrossingTile(t)
* @param t the crossing tile
* @param b the reservation state
*/
static inline void SetCrossingReservation(TileIndex t, bool b)
{
assert(IsLevelCrossingTile(t));
SB(_m[t].m5, 4, 1, b ? 1 : 0);
}
/**
* Get the reserved track bits for a rail crossing
* @pre IsLevelCrossingTile(t)
* @param t the tile
* @return reserved track bits
*/
static inline TrackBits GetRailCrossingReservation(TileIndex t)
{
return GetCrossingReservation(t) ? GetCrossingRailBits(t) : TRACK_BIT_NONE;
}
static inline bool IsCrossingBarred(TileIndex t)
{
assert(IsLevelCrossing(t));
return HasBit(_m[t].m4, 5);
}
static inline void SetCrossingBarred(TileIndex t, bool barred)
{
assert(IsLevelCrossing(t));
SB(_m[t].m4, 5, 1, barred);
}
static inline void UnbarCrossing(TileIndex t)
{
SetCrossingBarred(t, false);
}
static inline void BarCrossing(TileIndex t)
{
SetCrossingBarred(t, true);
}
#define IsOnDesert IsOnSnow
static inline bool IsOnSnow(TileIndex t)
{
return HasBit(_m[t].m3, 7);
}
#define ToggleDesert ToggleSnow
static inline void ToggleSnow(TileIndex t)
{
ToggleBit(_m[t].m3, 7);
}
enum Roadside {
ROADSIDE_BARREN = 0,
ROADSIDE_GRASS = 1,
ROADSIDE_PAVED = 2,
ROADSIDE_STREET_LIGHTS = 3,
ROADSIDE_TREES = 5,
ROADSIDE_GRASS_ROAD_WORKS = 6,
ROADSIDE_PAVED_ROAD_WORKS = 7
};
static inline Roadside GetRoadside(TileIndex tile)
{
return (Roadside)GB(_m[tile].m3, 4, 3);
}
static inline void SetRoadside(TileIndex tile, Roadside s)
{
SB(_m[tile].m3, 4, 3, s);
}
static inline bool HasRoadWorks(TileIndex t)
{
return GetRoadside(t) >= ROADSIDE_GRASS_ROAD_WORKS;
}
static inline bool IncreaseRoadWorksCounter(TileIndex t)
{
AB(_m[t].m3, 0, 4, 1);
return GB(_m[t].m3, 0, 4) == 15;
}
static inline void StartRoadWorks(TileIndex t)
{
assert(!HasRoadWorks(t));
/* Remove any trees or lamps in case or roadwork */
switch (GetRoadside(t)) {
case ROADSIDE_BARREN:
case ROADSIDE_GRASS: SetRoadside(t, ROADSIDE_GRASS_ROAD_WORKS); break;
default: SetRoadside(t, ROADSIDE_PAVED_ROAD_WORKS); break;
}
}
static inline void TerminateRoadWorks(TileIndex t)
{
assert(HasRoadWorks(t));
SetRoadside(t, (Roadside)(GetRoadside(t) - ROADSIDE_GRASS_ROAD_WORKS + ROADSIDE_GRASS));
/* Stop the counter */
SB(_m[t].m3, 0, 4, 0);
}
static inline DiagDirection GetRoadDepotDirection(TileIndex t)
{
assert(IsRoadDepot(t));
return (DiagDirection)GB(_m[t].m5, 0, 2);
}
/**
* Returns the RoadBits on an arbitrary tile
* Special behaviour:
* - road depots: entrance is treated as road piece
* - road tunnels: entrance is treated as road piece
* - bridge ramps: start of the ramp is treated as road piece
* - bridge middle parts: bridge itself is ignored
*
* If straight_tunnel_bridge_entrance is set a ROAD_X or ROAD_Y
* for bridge ramps and tunnel entrances is returned depending
* on the orientation of the tunnel or bridge.
* @param tile the tile to get the road bits for
* @param rt the road type to get the road bits form
* @param stbe whether to return straight road bits for tunnels/bridges.
* @return the road bits of the given tile
*/
RoadBits GetAnyRoadBits(TileIndex tile, RoadType rt, bool straight_tunnel_bridge_entrance = false);
/**
* Get the accessible track bits for the given tile.
* Special behaviour:
* - road depots: no track bits
* - non-drive-through stations: no track bits
* @param tile the tile to get the track bits for
* @return the track bits for the given tile
*/
TrackBits GetAnyRoadTrackBits(TileIndex tile, RoadType rt);
/**
* Return if the tile is a valid tile for a crossing.
*
* @note function is overloaded
* @param tile the curent tile
* @param ax the axis of the road over the rail
* @return true if it is a valid tile
*/
bool IsPossibleCrossing(const TileIndex tile, Axis ax);
static inline void MakeRoadNormal(TileIndex t, RoadBits bits, RoadTypes rot, TownID town, Owner road, Owner tram, Owner hway)
{
SetTileType(t, MP_ROAD);
SetTileOwner(t, road);
_m[t].m2 = town;
_m[t].m3 = 0;
_m[t].m4 = (HasBit(rot, ROADTYPE_TRAM) ? bits : 0) << 4 | (HasBit(rot, ROADTYPE_ROAD) ? bits : 0);
_m[t].m5 = ROAD_TILE_NORMAL << 6;
SetRoadOwner(t, ROADTYPE_TRAM, tram);
SB(_m[t].m6, 2, 4, HasBit(rot, ROADTYPE_HWAY) ? bits : 0);
_me[t].m7 = rot << 5 | hway;
}
static inline void MakeRoadCrossing(TileIndex t, Owner road, Owner tram, Owner hway, Owner rail, Axis roaddir, RailType rat, RoadTypes rot, uint town)
{
SetTileType(t, MP_ROAD);
SetTileOwner(t, rail);
_m[t].m2 = town;
_m[t].m3 = rat;
_m[t].m4 = roaddir << 6 | road;
_m[t].m5 = ROAD_TILE_CROSSING << 6;
SetRoadOwner(t, ROADTYPE_TRAM, tram);
SB(_m[t].m6, 2, 4, 0);
_me[t].m7 = rot << 5 | hway;
}
static inline void MakeRoadDepot(TileIndex t, Owner owner, DiagDirection dir, RoadType rt, TownID town)
{
SetTileType(t, MP_ROAD);
SetTileOwner(t, owner);
_m[t].m2 = town;
_m[t].m3 = 0;
_m[t].m4 = 0;
_m[t].m5 = ROAD_TILE_DEPOT << 6 | dir;
SB(_m[t].m6, 2, 4, 0);
_me[t].m7 = RoadTypeToRoadTypes(rt) << 5;
}
#endif /* ROAD_MAP_H */
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