| author | matthijs |
| Fri, 17 Jun 2005 00:22:46 +0000 | |
| changeset 1944 | 012fa5e69118 |
| parent 1942 | 634961366cdc |
| child 1948 | e5f34b543a3c |
| permissions | -rw-r--r-- |
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#include "rail.h" |
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/* XXX: Below 3 tables store duplicate data. Maybe remove some? */ |
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/* Maps a trackdir to the bit that stores its status in the map arrays, in the |
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* direction along with the trackdir */ |
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const byte _signal_along_trackdir[] = {
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0x80, 0x80, 0x80, 0x20, 0x40, 0x10, 0, 0, |
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0x40, 0x40, 0x40, 0x10, 0x80, 0x20 |
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}; |
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/* Maps a trackdir to the bit that stores its status in the map arrays, in the |
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* direction against the trackdir */ |
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const byte _signal_against_trackdir[] = {
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0x40, 0x40, 0x40, 0x10, 0x80, 0x20, 0, 0, |
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0x80, 0x80, 0x80, 0x20, 0x40, 0x10 |
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}; |
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/* Maps a Track to the bits that store the status of the two signals that can |
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* be present on the given track */ |
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const byte _signal_on_track[] = {
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0xC0, 0xC0, 0xC0, 0x30, 0xC0, 0x30 |
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}; |
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/* Maps a diagonal direction to the all trackdirs that are connected to any |
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* track entering in this direction (including those making 90 degree turns) |
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*/ |
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const TrackdirBits _exitdir_reaches_trackdirs[] = {
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TRACKDIR_BIT_DIAG1_NE | TRACKDIR_BIT_LOWER_E | TRACKDIR_BIT_LEFT_N, /* DIAGDIR_NE */ |
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TRACKDIR_BIT_DIAG2_SE | TRACKDIR_BIT_LEFT_S | TRACKDIR_BIT_UPPER_E, /* DIAGDIR_SE */ |
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TRACKDIR_BIT_DIAG1_SW | TRACKDIR_BIT_UPPER_W | TRACKDIR_BIT_RIGHT_S, /* DIAGDIR_SW */ |
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TRACKDIR_BIT_DIAG2_NW | TRACKDIR_BIT_RIGHT_N | TRACKDIR_BIT_LOWER_W /* DIAGDIR_NW */ |
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}; |
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const Trackdir _next_trackdir[] = {
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TRACKDIR_DIAG1_NE, TRACKDIR_DIAG2_SE, TRACKDIR_LOWER_E, TRACKDIR_UPPER_E, TRACKDIR_RIGHT_S, TRACKDIR_LEFT_S, INVALID_TRACKDIR, INVALID_TRACKDIR, |
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TRACKDIR_DIAG1_SW, TRACKDIR_DIAG2_NW, TRACKDIR_LOWER_W, TRACKDIR_UPPER_W, TRACKDIR_RIGHT_N, TRACKDIR_LEFT_N |
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}; |
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/* Maps a trackdir to all trackdirs that make 90 deg turns with it. */ |
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const TrackdirBits _track_crosses_trackdirs[] = {
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TRACKDIR_BIT_DIAG2_SE | TRACKDIR_BIT_DIAG2_NW, /* TRACK_DIAG1 */ |
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TRACKDIR_BIT_DIAG1_NE | TRACKDIR_BIT_DIAG1_SW, /* TRACK_DIAG2 */ |
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TRACKDIR_BIT_RIGHT_N | TRACKDIR_BIT_RIGHT_S | TRACKDIR_BIT_LEFT_N | TRACKDIR_BIT_LEFT_S, /* TRACK_UPPER */ |
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TRACKDIR_BIT_RIGHT_N | TRACKDIR_BIT_RIGHT_S | TRACKDIR_BIT_LEFT_N | TRACKDIR_BIT_LEFT_S, /* TRACK_LOWER */ |
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TRACKDIR_BIT_UPPER_W | TRACKDIR_BIT_UPPER_E | TRACKDIR_BIT_LOWER_W | TRACKDIR_BIT_LOWER_E, /* TRACK_LEFT */ |
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TRACKDIR_BIT_UPPER_W | TRACKDIR_BIT_UPPER_E | TRACKDIR_BIT_LOWER_W | TRACKDIR_BIT_LOWER_E /* TRACK_RIGHT */ |
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}; |
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/* Maps a track to all tracks that make 90 deg turns with it. */ |
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const TrackBits _track_crosses_tracks[] = {
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TRACK_BIT_DIAG2, /* TRACK_DIAG1 */ |
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TRACK_BIT_DIAG1, /* TRACK_DIAG2 */ |
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TRACK_BIT_LEFT | TRACK_BIT_RIGHT, /* TRACK_UPPER */ |
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TRACK_BIT_LEFT | TRACK_BIT_RIGHT, /* TRACK_LOWER */ |
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TRACK_BIT_UPPER | TRACK_BIT_LOWER, /* TRACK_LEFT */ |
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TRACK_BIT_UPPER | TRACK_BIT_LOWER /* TRACK_RIGHT */ |
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}; |
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/* Maps a trackdir to the (4-way) direction the tile is exited when following |
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* that trackdir */ |
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const DiagDirection _trackdir_to_exitdir[] = {
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DIAGDIR_NE,DIAGDIR_SE,DIAGDIR_NE,DIAGDIR_SE,DIAGDIR_SW,DIAGDIR_SE, DIAGDIR_NE,DIAGDIR_NE, |
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DIAGDIR_SW,DIAGDIR_NW,DIAGDIR_NW,DIAGDIR_SW,DIAGDIR_NW,DIAGDIR_NE, |
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}; |
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const Trackdir _track_exitdir_to_trackdir[][DIAGDIR_END] = {
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{TRACKDIR_DIAG1_NE, INVALID_TRACKDIR, TRACKDIR_DIAG1_SW, INVALID_TRACKDIR},
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{INVALID_TRACKDIR, TRACKDIR_DIAG2_SE, INVALID_TRACKDIR, TRACKDIR_DIAG2_NW},
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{TRACKDIR_UPPER_E, INVALID_TRACKDIR, INVALID_TRACKDIR, TRACKDIR_UPPER_W},
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{INVALID_TRACKDIR, TRACKDIR_LOWER_E, TRACKDIR_LOWER_W, INVALID_TRACKDIR},
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{INVALID_TRACKDIR, INVALID_TRACKDIR, TRACKDIR_LEFT_S, TRACKDIR_LEFT_N},
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{TRACKDIR_RIGHT_N, TRACKDIR_RIGHT_S, INVALID_TRACKDIR, INVALID_TRACKDIR}
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}; |
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const Trackdir _track_direction_to_trackdir[][DIR_END] = {
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{INVALID_TRACKDIR, TRACKDIR_DIAG1_NE, INVALID_TRACKDIR, INVALID_TRACKDIR, INVALID_TRACKDIR, TRACKDIR_DIAG1_SW, INVALID_TRACKDIR, INVALID_TRACKDIR},
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{INVALID_TRACKDIR, INVALID_TRACKDIR, INVALID_TRACKDIR, TRACKDIR_DIAG2_SE, INVALID_TRACKDIR, INVALID_TRACKDIR, INVALID_TRACKDIR, TRACKDIR_DIAG2_NW},
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{INVALID_TRACKDIR, INVALID_TRACKDIR, TRACKDIR_UPPER_E, INVALID_TRACKDIR, INVALID_TRACKDIR, INVALID_TRACKDIR, TRACKDIR_UPPER_W, INVALID_TRACKDIR},
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{INVALID_TRACKDIR, INVALID_TRACKDIR, TRACKDIR_LOWER_E, INVALID_TRACKDIR, INVALID_TRACKDIR, INVALID_TRACKDIR, TRACKDIR_LOWER_W, INVALID_TRACKDIR},
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{TRACKDIR_LEFT_N, INVALID_TRACKDIR, INVALID_TRACKDIR, INVALID_TRACKDIR, TRACKDIR_LEFT_S, INVALID_TRACKDIR, INVALID_TRACKDIR, INVALID_TRACKDIR},
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{TRACKDIR_RIGHT_N, INVALID_TRACKDIR, INVALID_TRACKDIR, INVALID_TRACKDIR, TRACKDIR_RIGHT_S, INVALID_TRACKDIR, INVALID_TRACKDIR, INVALID_TRACKDIR}
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}; |
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const Trackdir _dir_to_diag_trackdir[] = {
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TRACKDIR_DIAG1_NE, TRACKDIR_DIAG2_SE, TRACKDIR_DIAG1_SW, TRACKDIR_DIAG2_NW, |
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}; |
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const DiagDirection _reverse_diagdir[] = {
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DIAGDIR_SW, DIAGDIR_NW, DIAGDIR_NE, DIAGDIR_SE |
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}; |
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const Trackdir _reverse_trackdir[] = {
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TRACKDIR_DIAG1_SW, TRACKDIR_DIAG2_NW, TRACKDIR_UPPER_W, TRACKDIR_LOWER_W, TRACKDIR_LEFT_N, TRACKDIR_RIGHT_N, INVALID_TRACKDIR, INVALID_TRACKDIR, |
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|
94 |
TRACKDIR_DIAG1_NE, TRACKDIR_DIAG2_SE, TRACKDIR_UPPER_E, TRACKDIR_LOWER_E, TRACKDIR_LEFT_S, TRACKDIR_RIGHT_S |
|
1942
634961366cdc
(svn r2448) General cleanup of rail related code, more to follow.
matthijs
parents:
diff
changeset
|
95 |
}; |