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(svn r4571) Change the rail type update for electrified rails so it doesn't use bit magic

This commit is contained in:
tron 2006-04-25 07:29:02 +00:00
parent f1cb7bac9a
commit 288f4eed65
1 changed files with 20 additions and 9 deletions
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29
openttd.c
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@ -1082,6 +1082,13 @@ static void UpdateSignOwner(void)
extern void UpdateOldAircraft( void );
extern void UpdateOilRig( void );
static inline RailType UpdateRailType(RailType rt, RailType min)
{
return rt >= min ? (RailType)(rt + 1): rt;
}
bool AfterLoadGame(void)
{
Window *w;
@ -1247,7 +1254,7 @@ bool AfterLoadGame(void)
Vehicle* v;
uint i;
TileIndex t;
bool make_elrail = false;
RailType min_rail = RAILTYPE_ELECTRIC;
for (i = 0; i < lengthof(_engines); i++) {
Engine* e = GetEngine(i);
@ -1262,7 +1269,7 @@ bool AfterLoadGame(void)
RailType rt = GetEngine(v->engine_type)->railtype;
v->u.rail.railtype = rt;
if (rt == RAILTYPE_ELECTRIC) make_elrail = true;
if (rt == RAILTYPE_ELECTRIC) min_rail = RAILTYPE_RAIL;
}
}
@ -1270,34 +1277,38 @@ bool AfterLoadGame(void)
for (t = 0; t < MapSize(); t++) {
switch (GetTileType(t)) {
case MP_RAILWAY:
if (GetRailType(t) > RAILTYPE_RAIL || make_elrail) AB(_m[t].m3, 0, 4, 1);
SetRailType(t, UpdateRailType(GetRailType(t), min_rail));
break;
case MP_STREET:
if (IsLevelCrossing(t) && (GetRailTypeCrossing(t) > RAILTYPE_RAIL || make_elrail)) AB(_m[t].m4, 0, 4, 1);
if (IsLevelCrossing(t)) {
SetRailTypeCrossing(t, UpdateRailType(GetRailTypeCrossing(t), min_rail));
}
break;
case MP_STATION:
if (IsRailwayStation(t) && (GetRailType(t) > RAILTYPE_RAIL || make_elrail)) AB(_m[t].m3, 0, 4, 1);
if (IsRailwayStation(t)) {
SetRailType(t, UpdateRailType(GetRailType(t), min_rail));
}
break;
case MP_TUNNELBRIDGE:
if (IsTunnel(t)) {
if (GetTunnelTransportType(t) == TRANSPORT_RAIL) {
if (GetRailType(t) > RAILTYPE_RAIL || make_elrail) AB(_m[t].m3, 0, 4, 1);
SetRailType(t, UpdateRailType(GetRailType(t), min_rail));
}
} else {
if (GetBridgeTransportType(t) == TRANSPORT_RAIL) {
if (IsBridgeRamp(t)) {
if (GetRailType(t) > RAILTYPE_RAIL || make_elrail) AB(_m[t].m3, 0, 4, 1);
SetRailType(t, UpdateRailType(GetRailType(t), min_rail));
} else {
if (GetRailTypeOnBridge(t) > RAILTYPE_RAIL || make_elrail) AB(_m[t].m3, 4, 4, 1);
SetRailTypeOnBridge(t, UpdateRailType(GetRailTypeOnBridge(t), min_rail));
}
}
if (IsBridgeMiddle(t) &&
IsTransportUnderBridge(t) &&
GetTransportTypeUnderBridge(t) == TRANSPORT_RAIL) {
if (GetRailType(t) > RAILTYPE_RAIL || make_elrail) AB(_m[t].m3, 0, 4, 1);
SetRailType(t, UpdateRailType(GetRailType(t), min_rail));
}
}
break;