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TileConstants: move tile number comparisons to central location (road numbers)

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git-svn-id: https://micropolis.googlecode.com/svn/trunk/micropolis-java@781 d9718cc8-9f43-0410-858b-315f434eb58c
This commit is contained in:
jason@long.name 2013-08-11 04:07:11 +00:00
parent 1c4eb5a346
commit b4f7e09d74
2 changed files with 63 additions and 46 deletions
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54
src/micropolisj/engine/TileConstants.java
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@ -435,6 +435,60 @@ public class TileConstants
return (tmp >= ROADBASE && tmp < POWERBASE);
}
/**
* Checks whether the tile is a road that will automatically change to connect to
* neighboring roads.
*/
public static boolean isRoadDynamic(int tile)
{
int tmp = neutralizeRoad(tile);
return (tmp >= ROADS && tile <= INTERSECTION);
}
public static boolean roadConnectsEast(int tile)
{
tile = neutralizeRoad(tile);
return (((tile == VRAILROAD) ||
(tile >= ROADBASE && tile <= VROADPOWER)
) &&
(tile != VROADPOWER) &&
(tile != HRAILROAD) &&
(tile != VBRIDGE));
}
public static boolean roadConnectsNorth(int tile)
{
tile = neutralizeRoad(tile);
return (((tile == HRAILROAD) ||
(tile >= ROADBASE && tile <= VROADPOWER)
) &&
(tile != HROADPOWER) &&
(tile != VRAILROAD) &&
(tile != ROADBASE));
}
public static boolean roadConnectsSouth(int tile)
{
tile = neutralizeRoad(tile);
return (((tile == HRAILROAD) ||
(tile >= ROADBASE && tile <= VROADPOWER)
) &&
(tile != HROADPOWER) &&
(tile != VRAILROAD) &&
(tile != ROADBASE));
}
public static boolean roadConnectsWest(int tile)
{
tile = neutralizeRoad(tile);
return (((tile == VRAILROAD) ||
(tile >= ROADBASE && tile <= VROADPOWER)
) &&
(tile != VROADPOWER) &&
(tile != HRAILROAD) &&
(tile != VBRIDGE));
}
public static boolean isRail(int tile)
{
int tmp = tile & LOMASK;