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(svn r10344) -Fix (r10317): confusion between TRACK_n and TRACK_BIT_n stopped NW/SE slopes being picked up, and compare middle of tile against current z, not previous.

This commit is contained in:
peter1138 2007-06-26 20:03:17 +00:00
parent 15d4a27c89
commit a6da8c9519
1 changed files with 4 additions and 4 deletions
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8
src/train_cmd.cpp
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@ -2530,14 +2530,14 @@ static void TrainEnterStation(Vehicle *v, StationID station)
static byte AfterSetTrainPos(Vehicle *v, bool new_tile)
{
byte old_z = v->z_pos;
v->z_pos= GetSlopeZ(v->x_pos, v->y_pos);
v->z_pos = GetSlopeZ(v->x_pos, v->y_pos);
if (new_tile) {
CLRBIT(v->u.rail.flags, VRF_GOINGUP);
CLRBIT(v->u.rail.flags, VRF_GOINGDOWN);
if ((v->u.rail.track == TRACK_X || v->u.rail.track == TRACK_Y)) {
/* Any track that isn't TRACK_X or TRACK_Y cannot be sloped.
if (v->u.rail.track == TRACK_BIT_X || v->u.rail.track == TRACK_BIT_Y) {
/* Any track that isn't TRACK_BIT_X or TRACK_BIT_Y cannot be sloped.
* To check whether the current tile is sloped, and in which
* direction it is sloped, we get the 'z' at the center of
* the tile (middle_z) and the edge of the tile (old_z),
@ -2549,7 +2549,7 @@ static byte AfterSetTrainPos(Vehicle *v, bool new_tile)
/* For some reason tunnel tiles are always given as sloped :(
* But they are not sloped... */
if (middle_z != old_z && !IsTunnelTile(TileVirtXY(v->x_pos, v->y_pos))) {
if (middle_z != v->z_pos && !IsTunnelTile(TileVirtXY(v->x_pos, v->y_pos))) {
SETBIT(v->u.rail.flags, (middle_z > old_z) ? VRF_GOINGUP : VRF_GOINGDOWN);
}
}