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(svn r7573) -Merged the bridge branch. Allows to build bridges of arbitrary rail/road combinations (including signals)

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This commit is contained in:
celestar
2006-12-27 12:38:02 +00:00
parent d92103d6ff
commit d95e2c2dd1
39 changed files with 845 additions and 1179 deletions
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46
npf.c
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@@ -181,6 +181,11 @@ static uint NPFTunnelCost(AyStarNode* current)
}
}
static inline uint NPFBridgeCost(AyStarNode *current)
{
return NPF_TILE_LENGTH * GetBridgeLength(current->tile, GetOtherBridgeEnd(current->tile));
}
static uint NPFSlopeCost(AyStarNode* current)
{
TileIndex next = current->tile + TileOffsByDiagDir(TrackdirToExitdir(current->direction));
@@ -265,11 +270,7 @@ static int32 NPFRoadPathCost(AyStar* as, AyStarNode* current, OpenListNode* pare
/* Determine base length */
switch (GetTileType(tile)) {
case MP_TUNNELBRIDGE:
if (IsTunnel(tile)) {
cost = NPFTunnelCost(current);
} else {
cost = NPF_TILE_LENGTH;
}
cost = IsTunnel(tile) ? NPFTunnelCost(current) : NPFBridgeCost(current);
break;
case MP_STREET:
@@ -310,12 +311,8 @@ static int32 NPFRailPathCost(AyStar* as, AyStarNode* current, OpenListNode* pare
/* Determine base length */
switch (GetTileType(tile)) {
case MP_TUNNELBRIDGE:
if (IsTunnel(tile)) {
cost = NPFTunnelCost(current);
break;
}
/* Fall through if above if is false, it is a bridge
* then. We treat that as ordinary rail */
cost = IsTunnel(tile) ? NPFTunnelCost(current) : NPFBridgeCost(current);
break;
case MP_RAILWAY:
cost = _trackdir_length[trackdir]; /* Should be different for diagonal tracks */
@@ -472,17 +469,7 @@ static bool VehicleMayEnterTile(Owner owner, TileIndex tile, DiagDirection enter
case MP_TUNNELBRIDGE:
if ((IsTunnel(tile) && GetTunnelTransportType(tile) == TRANSPORT_RAIL) ||
(IsBridge(tile) && (
(
IsBridgeRamp(tile) &&
GetBridgeTransportType(tile) == TRANSPORT_RAIL
) || (
IsBridgeMiddle(tile) &&
IsTransportUnderBridge(tile) &&
GetTransportTypeUnderBridge(tile) == TRANSPORT_RAIL &&
GetBridgeAxis(tile) != DiagDirToAxis(enterdir)
)
))) {
(IsBridge(tile) && GetBridgeTransportType(tile) == TRANSPORT_RAIL)) {
return IsTileOwner(tile, owner);
}
break;
@@ -526,6 +513,7 @@ static void NPFFollowTrack(AyStar* aystar, OpenListNode* current)
int i;
TrackdirBits trackdirbits, ts;
TransportType type = aystar->user_data[NPF_TYPE];
bool override_dst_check = false;
/* Initialize to 0, so we can jump out (return) somewhere an have no neighbours */
aystar->num_neighbours = 0;
DEBUG(npf, 4, "Expanding: (%d, %d, %d) [%d]", TileX(src_tile), TileY(src_tile), src_trackdir, src_tile);
@@ -536,6 +524,10 @@ static void NPFFollowTrack(AyStar* aystar, OpenListNode* current)
* otherwise we wouldn't have got here. It is also facing us,
* so we should skip it's body */
dst_tile = GetOtherTunnelEnd(src_tile);
override_dst_check = true;
} else if (IsBridgeTile(src_tile) && GetBridgeRampDirection(src_tile) == src_exitdir) {
dst_tile = GetOtherBridgeEnd(src_tile);
override_dst_check = true;
} else if (type != TRANSPORT_WATER && (IsRoadStopTile(src_tile) || IsTileDepotType(src_tile, type))) {
/* This is a road station or a train or road depot. We can enter and exit
* those from one side only. Trackdirs don't support that (yet), so we'll
@@ -583,8 +575,14 @@ static void NPFFollowTrack(AyStar* aystar, OpenListNode* current)
/* I can't enter a tunnel entry/exit tile from a tile above the tunnel. Note
* that I can enter the tunnel from a tile below the tunnel entrance. This
* solves the problem of vehicles wanting to drive off a tunnel entrance */
if (IsTunnelTile(dst_tile) && GetTileZ(dst_tile) < GetTileZ(src_tile)) {
return;
if (!override_dst_check) {
if (IsTileType(dst_tile, MP_TUNNELBRIDGE)) {
if (IsTunnel(dst_tile)) {
if (GetTunnelDirection(dst_tile) != src_exitdir) return;
} else {
if (GetBridgeRampDirection(dst_tile) != src_exitdir) return;
}
}
}
/* check correct rail type (mono, maglev, etc) */