(svn r9729) -Documentation: add some documentation in various places

This commit is contained in:
rubidium
2007-04-27 21:29:36 +00:00
parent 75ba8f4489
commit e1057864d8
5 changed files with 342 additions and 77 deletions

View File

@@ -10,7 +10,12 @@
#include "map.h"
#include "rail.h"
/**
* Is this a tunnel (entrance)?
* @param t the tile that might be a tunnel
* @pre IsTileType(t, MP_TUNNELBRIDGE)
* @return true if and only if this tile is a tunnel (entrance)
*/
static inline bool IsTunnel(TileIndex t)
{
assert(IsTileType(t, MP_TUNNELBRIDGE));
@@ -18,31 +23,60 @@ static inline bool IsTunnel(TileIndex t)
}
/**
* Is this a tunnel (entrance)?
* @param t the tile that might be a tunnel
* @return true if and only if this tile is a tunnel (entrance)
*/
static inline bool IsTunnelTile(TileIndex t)
{
return IsTileType(t, MP_TUNNELBRIDGE) && IsTunnel(t);
}
/**
* Gets the direction facing out of the tunnel
* @param t the tile to get the tunnel facing direction of
* @pre IsTunnelTile(t)
* @return the direction the tunnel is facing
*/
static inline DiagDirection GetTunnelDirection(TileIndex t)
{
assert(IsTunnelTile(t));
return (DiagDirection)GB(_m[t].m5, 0, 2);
}
/**
* Gets the transport type of the tunnel (road or rail)
* @param t the tunnel entrance tile to get the type of
* @pre IsTunnelTile(t)
* @return the transport type in the tunnel
*/
static inline TransportType GetTunnelTransportType(TileIndex t)
{
assert(IsTunnelTile(t));
return (TransportType)GB(_m[t].m5, 2, 2);
}
/**
* Is this tunnel entrance in a snowy or desert area?
* @param t the tunnel entrance tile
* @pre IsTunnelTile(t)
* @return true if and only if the tunnel entrance is in a snowy/desert area
*/
static inline bool HasTunnelSnowOrDesert(TileIndex t)
{
assert(IsTunnelTile(t));
return HASBIT(_m[t].m4, 7);
}
/**
* Places this tunnel entrance in a snowy or desert area,
* or takes it out of there.
* @param t the tunnel entrance tile
* @param snow_or_desert is the entrance in snow or desert (true), when
* not in snow and not in desert false
* @pre IsTunnelTile(t)
*/
static inline void SetTunnelSnowOrDesert(TileIndex t, bool snow_or_desert)
{
assert(IsTunnelTile(t));
@@ -54,6 +88,12 @@ TileIndex GetOtherTunnelEnd(TileIndex);
bool IsTunnelInWay(TileIndex, uint z);
/**
* Makes a road tunnel entrance
* @param t the entrance of the tunnel
* @param o the owner of the entrance
* @param d the direction facing out of the tunnel
*/
static inline void MakeRoadTunnel(TileIndex t, Owner o, DiagDirection d)
{
SetTileType(t, MP_TUNNELBRIDGE);
@@ -64,6 +104,13 @@ static inline void MakeRoadTunnel(TileIndex t, Owner o, DiagDirection d)
_m[t].m5 = TRANSPORT_ROAD << 2 | d;
}
/**
* Makes a rail tunnel entrance
* @param t the entrance of the tunnel
* @param o the owner of the entrance
* @param d the direction facing out of the tunnel
* @param r the rail type used in the tunnel
*/
static inline void MakeRailTunnel(TileIndex t, Owner o, DiagDirection d, RailType r)
{
SetTileType(t, MP_TUNNELBRIDGE);