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(svn r2554) - Fix: [pathfinding] Change to using some helper functions for checking the railtype.

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ludde 2005-07-12 20:41:17 +00:00
parent f523be81d4
commit ebe3b89b98
1 changed files with 4 additions and 3 deletions
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7
pathfind.c
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@ -690,7 +690,7 @@ restart:
// Not a regular rail tile?
// Then we can't use the code below, but revert to more general code.
if (!IsTileType(tile, MP_RAILWAY) || (bits = _map5[tile]) & 0x80) {
if (!IsTileType(tile, MP_RAILWAY) || !IsPlainRailTile(tile)) {
bits = GetTileTrackStatus(tile, TRANSPORT_RAIL) & _tpfmode1_and[direction];
bits = (bits | (bits >> 8)) & 0x3F;
if (bits == 0) goto stop_search;
@ -708,13 +708,14 @@ restart:
track = _new_track[FIND_FIRST_BIT(bits)][direction];
// Check if this rail is an upwards slope. If it is, then add a penalty.
if ((track & 7) <= 5 && (_is_upwards_slope[GetTileSlope(tile, NULL)] & (1 << track)) ) {
// Small optimization here.. if (track&7)>1 then it can't be a slope so we avoid calling GetTileSlope
if ((track & 7) <= 1 && (_is_upwards_slope[GetTileSlope(tile, NULL)] & (1 << track)) ) {
// upwards slope. add some penalty.
si.cur_length += 2;
}
// railway tile with signals..?
if (_map5[tile] & 0x40) {
if (HasSignals(tile)) {
byte m3;
m3 = _map3_lo[tile];