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(svn r21841) -Feature: [NewGRF] Allow to define other railtypes that should be introduced if a particular rail type is introduced, e.g. to make sure slow rail is introduced when fast rail gets introduced

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rubidium
2011-01-18 21:28:07 +00:00
parent 2f98ad38ba
commit dc94c94599
7 changed files with 34 additions and 13 deletions
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4
src/engine.cpp
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@@ -614,7 +614,7 @@ static void AcceptEnginePreview(EngineID eid, CompanyID company)
SetBit(e->company_avail, company);
if (e->type == VEH_TRAIN) {
assert(e->u.rail.railtype < RAILTYPE_END);
SetBit(c->avail_railtypes, e->u.rail.railtype);
c->avail_railtypes |= GetRailTypeInfo(e->u.rail.railtype)->introduces_railtypes;
} else if (e->type == VEH_ROAD) {
SetBit(c->avail_roadtypes, HasBit(e->info.misc_flags, EF_ROAD_TRAM) ? ROADTYPE_TRAM : ROADTYPE_ROAD);
}
@@ -760,7 +760,7 @@ static void NewVehicleAvailable(Engine *e)
/* maybe make another rail type available */
RailType railtype = e->u.rail.railtype;
assert(railtype < RAILTYPE_END);
FOR_ALL_COMPANIES(c) SetBit(c->avail_railtypes, railtype);
FOR_ALL_COMPANIES(c) c->avail_railtypes |= GetRailTypeInfo(e->u.rail.railtype)->introduces_railtypes;
} else if (e->type == VEH_ROAD) {
/* maybe make another road type available */
FOR_ALL_COMPANIES(c) SetBit(c->avail_roadtypes, HasBit(e->info.misc_flags, EF_ROAD_TRAM) ? ROADTYPE_TRAM : ROADTYPE_ROAD);