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(svn r21842) -Feature [FS#4393]: [NewGRF] Introduction dates/required types for rail types; e.g. introduce a particular rail type in 1960 (or when a vehicle using it is introduced), but also allow limiting its introduction to only happen when the required railtypes are available

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rubidium
2011-01-18 21:30:59 +00:00
parent 6371b75bcc
commit b8c9988d9f
6 changed files with 135 additions and 3 deletions
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11
src/newgrf.cpp
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@@ -3209,6 +3209,7 @@ static ChangeInfoResult RailTypeChangeInfo(uint id, int numinfo, int prop, ByteR
case 0x0E: // Compatible railtype list
case 0x0F: // Powered railtype list
case 0x18: // Railtype list required for date introduction
case 0x19: // Introduced railtype list
{
/* Rail type compatibility bits are added to the existing bits
@@ -3222,6 +3223,7 @@ static ChangeInfoResult RailTypeChangeInfo(uint id, int numinfo, int prop, ByteR
switch (prop) {
case 0x0E: SetBit(rti->compatible_railtypes, rt); break;
case 0x0F: SetBit(rti->powered_railtypes, rt); break;
case 0x18: SetBit(rti->introduction_required_railtypes, rt); break;
case 0x19: SetBit(rti->introduces_railtypes, rt); break;
}
}
@@ -3257,6 +3259,10 @@ static ChangeInfoResult RailTypeChangeInfo(uint id, int numinfo, int prop, ByteR
rti->map_colour = MapDOSColour(buf->ReadByte());
break;
case 0x17: // Introduction date
rti->introduction_date = buf->ReadDWord();
break;
default:
ret = CIR_UNKNOWN;
break;
@@ -3304,6 +3310,7 @@ static ChangeInfoResult RailTypeReserveInfo(uint id, int numinfo, int prop, Byte
case 0x0E: // Compatible railtype list
case 0x0F: // Powered railtype list
case 0x18: // Railtype list required for date introduction
case 0x19: // Introduced railtype list
for (int j = buf->ReadByte(); j != 0; j--) buf->ReadDWord();
break;
@@ -3316,6 +3323,10 @@ static ChangeInfoResult RailTypeReserveInfo(uint id, int numinfo, int prop, Byte
buf->ReadByte();
break;
case 0x17: // Introduction date
buf->ReadDWord();
break;
default:
ret = CIR_UNKNOWN;
break;