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(svn r2147) - Add: [NPF] Give red presignal exit signals a different (higher) penalty, to discourage trains from waiting at presignal exits.

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matthijs 2005-04-04 17:53:39 +00:00
parent 00c819c0d5
commit 6c825df8f7
3 changed files with 18 additions and 8 deletions
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6
npf.c
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@ -373,6 +373,12 @@ int32 NPFRailPathCost(AyStar* as, AyStarNode* current, OpenListNode* parent) {
if (!NPFGetFlag(current, NPF_FLAG_SEEN_SIGNAL)) { if (!NPFGetFlag(current, NPF_FLAG_SEEN_SIGNAL)) {
/* Penalize the first signal we /* Penalize the first signal we
* encounter, if it is red */ * encounter, if it is red */
/* Is this a presignal exit or combo? */
if ((_map3_hi[tile] & 0x3) == 0x2 || (_map3_hi[tile] & 0x3) == 0x3)
/* Penalise exit and combo signals differently (heavier) */
cost += _patches.npf_rail_firstred_exit_penalty;
else
cost += _patches.npf_rail_firstred_penalty; cost += _patches.npf_rail_firstred_penalty;
} }
/* Record the state of this signal */ /* Record the state of this signal */

5
settings.c
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@ -937,8 +937,11 @@ const SettingDesc patch_settings[] = {
* again, just because the sign at the right side was red. If we take * again, just because the sign at the right side was red. If we take
* a typical 5 length station, this detour is 10 or 11 tiles (not * a typical 5 length station, this detour is 10 or 11 tiles (not
* sure), so we set the default penalty at 10 (the station tile * sure), so we set the default penalty at 10 (the station tile
* penalty will further prevent this */ * penalty will further prevent this.
* We give presignal exits (and combo's) a different (larger) penalty, because we really
* don't want trains waiting in front of a presignal exit. */
{"npf_rail_firstred_penalty", SDT_UINT32, (void*)(10 * NPF_TILE_LENGTH), &_patches.npf_rail_firstred_penalty, NULL}, {"npf_rail_firstred_penalty", SDT_UINT32, (void*)(10 * NPF_TILE_LENGTH), &_patches.npf_rail_firstred_penalty, NULL},
{"npf_rail_firstred_exit_penalty", SDT_UINT32, (void*)(100 * NPF_TILE_LENGTH), &_patches.npf_rail_firstred_exit_penalty, NULL},
/* This penalty is for when the last signal before the target is red. /* This penalty is for when the last signal before the target is red.
* This is useful for train stations, where there are multiple * This is useful for train stations, where there are multiple
* platforms to choose from, which lie in different signal blocks. * platforms to choose from, which lie in different signal blocks.

3
variables.h
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@ -195,7 +195,8 @@ typedef struct Patches {
/* New Path Finding */ /* New Path Finding */
bool new_pathfinding_all; /* Use the newest pathfinding algorithm for all */ bool new_pathfinding_all; /* Use the newest pathfinding algorithm for all */
uint32 npf_rail_firstred_penalty; /* The penalty for when the first signal is red */ uint32 npf_rail_firstred_penalty; /* The penalty for when the first signal is red (and it is not an exit or combo signal) */
uint32 npf_rail_firstred_exit_penalty; /* The penalty for when the first signal is red (and it is an exit or combo signal) */
uint32 npf_rail_lastred_penalty; /* The penalty for when the last signal is red */ uint32 npf_rail_lastred_penalty; /* The penalty for when the last signal is red */
uint32 npf_rail_station_penalty; /* The penalty for station tiles */ uint32 npf_rail_station_penalty; /* The penalty for station tiles */
uint32 npf_rail_slope_penalty; /* The penalty for sloping upwards */ uint32 npf_rail_slope_penalty; /* The penalty for sloping upwards */