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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.

This commit is contained in:
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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8
npf.c
View File

@ -373,7 +373,13 @@ int32 NPFRailPathCost(AyStar* as, AyStarNode* current, OpenListNode* parent) {
if (!NPFGetFlag(current, NPF_FLAG_SEEN_SIGNAL)) {
/* Penalize the first signal we
* encounter, if it is red */
cost += _patches.npf_rail_firstred_penalty;
/* 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;
}
/* Record the state of this signal */
NPFSetFlag(current, NPF_FLAG_LAST_SIGNAL_RED, true);

15
settings.c
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@ -937,15 +937,18 @@ const SettingDesc patch_settings[] = {
* 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
* sure), so we set the default penalty at 10 (the station tile
* penalty will further prevent this */
{"npf_rail_firstred_penalty", SDT_UINT32, (void*)(10 * NPF_TILE_LENGTH), &_patches.npf_rail_firstred_penalty, NULL},
* 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_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 is useful for train stations, where there are multiple
* platforms to choose from, which lie in different signal blocks.
* Every target in a occupied signal block (ie an occupied platform)
* will get this penalty.
*/
{"npf_rail_lastred_penalty", SDT_UINT32, (void*)(10 * NPF_TILE_LENGTH), &_patches.npf_rail_lastred_penalty, NULL},
{"npf_rail_lastred_penalty", SDT_UINT32, (void*)(10 * NPF_TILE_LENGTH), &_patches.npf_rail_lastred_penalty, NULL},
/* When a train plans a route over a station tile, this penalty is
* applied. We want that trains plan a route around a typical, 4x5
* station, which means two tiles to the right, and two tiles back to
@ -953,9 +956,9 @@ const SettingDesc patch_settings[] = {
* a penalty of 1 tile for every station tile passed, the route will
* be around it.
*/
{"npf_rail_station_penalty", SDT_UINT32, (void*)(1 * NPF_TILE_LENGTH), &_patches.npf_rail_station_penalty, NULL},
{"npf_rail_slope_penalty", SDT_UINT32, (void*)(1 * NPF_TILE_LENGTH), &_patches.npf_rail_slope_penalty, NULL},
{"npf_rail_curve_penalty", SDT_UINT32, (void*)(1), &_patches.npf_rail_curve_penalty, NULL},
{"npf_rail_station_penalty", SDT_UINT32, (void*)(1 * NPF_TILE_LENGTH), &_patches.npf_rail_station_penalty, NULL},
{"npf_rail_slope_penalty", SDT_UINT32, (void*)(1 * NPF_TILE_LENGTH), &_patches.npf_rail_slope_penalty, NULL},
{"npf_rail_curve_penalty", SDT_UINT32, (void*)(1), &_patches.npf_rail_curve_penalty, NULL},
{NULL, 0, NULL, NULL, NULL}
};

3
variables.h
View File

@ -195,7 +195,8 @@ typedef struct Patches {
/* New Path Finding */
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_station_penalty; /* The penalty for station tiles */
uint32 npf_rail_slope_penalty; /* The penalty for sloping upwards */