dave/openttd
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

(svn r13947) -Codechange [YAPP]: Added YAPP-related penalties to NPF. (michi_cc)

Browse Source
This commit is contained in:
rubidium
2008-08-02 22:52:36 +00:00
parent 70e84fb1c2
commit c05c10ae71
4 changed files with 61 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

76
src/npf.cpp
View File

@@ -24,6 +24,7 @@
#include "vehicle_base.h"
#include "settings_type.h"
#include "tunnelbridge.h"
#include "pbs.h"
static AyStar _npf_aystar;
@@ -221,6 +222,23 @@ static uint NPFSlopeCost(AyStarNode* current)
* there is only one level of steepness... */
}
static uint NPFReservedTrackCost(AyStarNode *current)
{
TileIndex tile = current->tile;
TrackBits track = TrackToTrackBits(TrackdirToTrack((Trackdir)current->direction));
TrackBits res = GetReservedTrackbits(tile);
if (NPFGetFlag(current, NPF_FLAG_3RD_SIGNAL) || ((res & track) == TRACK_BIT_NONE && !TracksOverlap(res | track))) return 0;
if (IsTileType(tile, MP_TUNNELBRIDGE)) {
DiagDirection exitdir = TrackdirToExitdir((Trackdir)current->direction);
if (GetTunnelBridgeDirection(tile) == ReverseDiagDir(exitdir)) {
return _settings_game.pf.npf.npf_rail_pbs_cross_penalty * (GetTunnelBridgeLength(tile, GetOtherTunnelBridgeEnd(tile)) + 1);
}
}
return _settings_game.pf.npf.npf_rail_pbs_cross_penalty;
}
/**
* Mark tiles by mowing the grass when npf debug level >= 1.
* Will not work for multiplayer games, since it can (will) cause desyncs.
@@ -354,30 +372,46 @@ static int32 NPFRailPathCost(AyStar* as, AyStarNode* current, OpenListNode* pare
/* Determine extra costs */
/* Check for signals */
if (IsTileType(tile, MP_RAILWAY) && HasSignalOnTrackdir(tile, trackdir)) {
/* Ordinary track with signals */
if (GetSignalStateByTrackdir(tile, trackdir) == SIGNAL_STATE_RED) {
/* Signal facing us is red */
if (!NPFGetFlag(current, NPF_FLAG_SEEN_SIGNAL)) {
/* Penalize the first signal we
* encounter, if it is red */
if (IsTileType(tile, MP_RAILWAY)) {
if (HasSignalOnTrackdir(tile, trackdir)) {
/* Ordinary track with signals */
if (GetSignalStateByTrackdir(tile, trackdir) == SIGNAL_STATE_RED) {
/* Signal facing us is red */
if (!NPFGetFlag(current, NPF_FLAG_SEEN_SIGNAL)) {
/* Penalize the first signal we
* encounter, if it is red */
/* Is this a presignal exit or combo? */
SignalType sigtype = GetSignalType(tile, TrackdirToTrack(trackdir));
if (sigtype == SIGTYPE_EXIT || sigtype == SIGTYPE_COMBO) {
/* Penalise exit and combo signals differently (heavier) */
cost += _settings_game.pf.npf.npf_rail_firstred_exit_penalty;
} else {
cost += _settings_game.pf.npf.npf_rail_firstred_penalty;
/* Is this a presignal exit or combo? */
SignalType sigtype = GetSignalType(tile, TrackdirToTrack(trackdir));
if (!IsPbsSignal(sigtype)) {
if (sigtype == SIGTYPE_EXIT || sigtype == SIGTYPE_COMBO) {
/* Penalise exit and combo signals differently (heavier) */
cost += _settings_game.pf.npf.npf_rail_firstred_exit_penalty;
} else {
cost += _settings_game.pf.npf.npf_rail_firstred_penalty;
}
}
}
/* Record the state of this signal */
NPFSetFlag(current, NPF_FLAG_LAST_SIGNAL_RED, true);
} else {
/* Record the state of this signal */
NPFSetFlag(current, NPF_FLAG_LAST_SIGNAL_RED, false);
}
if (NPFGetFlag(current, NPF_FLAG_SEEN_SIGNAL)) {
if (NPFGetFlag(current, NPF_FLAG_2ND_SIGNAL)) {
NPFSetFlag(current, NPF_FLAG_3RD_SIGNAL, true);
} else {
NPFSetFlag(current, NPF_FLAG_2ND_SIGNAL, true);
}
} else {
NPFSetFlag(current, NPF_FLAG_SEEN_SIGNAL, true);
}
/* Record the state of this signal */
NPFSetFlag(current, NPF_FLAG_LAST_SIGNAL_RED, true);
} else {
/* Record the state of this signal */
NPFSetFlag(current, NPF_FLAG_LAST_SIGNAL_RED, false);
}
NPFSetFlag(current, NPF_FLAG_SEEN_SIGNAL, true);
if (HasPbsSignalOnTrackdir(tile, ReverseTrackdir(trackdir)) && !NPFGetFlag(current, NPF_FLAG_3RD_SIGNAL)) {
cost += _settings_game.pf.npf.npf_rail_pbs_signal_back_penalty;
}
}
/* Penalise the tile if it is a target tile and the last signal was
@@ -406,7 +440,7 @@ static int32 NPFRailPathCost(AyStar* as, AyStarNode* current, OpenListNode* pare
}
/* Check for occupied track */
//TODO
cost += NPFReservedTrackCost(current);
NPFMarkTile(tile);
DEBUG(npf, 4, "Calculating G for: (%d, %d). Result: %d", TileX(current->tile), TileY(current->tile), cost);