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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 5f28591610
commit 6371b75bcc
7 changed files with 34 additions and 13 deletions
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10
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 0x19: // Introduced railtype list
{
/* Rail type compatibility bits are added to the existing bits
* to allow multiple GRFs to modify compatibility with the
@@ -3218,10 +3219,10 @@ static ChangeInfoResult RailTypeChangeInfo(uint id, int numinfo, int prop, ByteR
RailTypeLabel label = buf->ReadDWord();
RailType rt = GetRailTypeByLabel(BSWAP32(label));
if (rt != INVALID_RAILTYPE) {
if (prop == 0x0E) {
SetBit(rti->compatible_railtypes, rt);
} else {
SetBit(rti->powered_railtypes, rt);
switch (prop) {
case 0x0E: SetBit(rti->compatible_railtypes, rt); break;
case 0x0F: SetBit(rti->powered_railtypes, rt); break;
case 0x19: SetBit(rti->introduces_railtypes, rt); break;
}
}
}
@@ -3303,6 +3304,7 @@ static ChangeInfoResult RailTypeReserveInfo(uint id, int numinfo, int prop, Byte
case 0x0E: // Compatible railtype list
case 0x0F: // Powered railtype list
case 0x19: // Introduced railtype list
for (int j = buf->ReadByte(); j != 0; j--) buf->ReadDWord();
break;