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(svn r22389) -Fix [FS#4600]: try to make sure there is an early house available in the current climate for every townzone, not just a single available house for all climates/townzones

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This commit is contained in:
yexo 2011-04-30 19:44:20 +00:00
parent 0e1ac234d8
commit abc2352537
1 changed files with 39 additions and 9 deletions
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48
src/newgrf.cpp
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@ -7602,6 +7602,33 @@ static bool IsHouseSpecValid(HouseSpec *hs, const HouseSpec *next1, const HouseS
return true;
}
/**
* Make sure there is at least one house available in the year 0 for the given
* climate / housezone combination.
* @param bitmask The climate and housezone to check for. Exactly one climate
* bit and one housezone bit should be set.
*/
static void EnsureEarlyHouse(HouseZones bitmask)
{
Year min_year = MAX_YEAR;
for (int i = 0; i < HOUSE_MAX; i++) {
HouseSpec *hs = HouseSpec::Get(i);
if (hs == NULL || !hs->enabled) continue;
if ((hs->building_availability & bitmask) != bitmask) continue;
if (hs->min_year < min_year) min_year = hs->min_year;
}
if (min_year == 0) return;
for (int i = 0; i < HOUSE_MAX; i++) {
HouseSpec *hs = HouseSpec::Get(i);
if (hs == NULL || !hs->enabled) continue;
if ((hs->building_availability & bitmask) != bitmask) continue;
if (hs->min_year == min_year) hs->min_year = 0;
}
}
/**
* Add all new houses to the house array. House properties can be set at any
* time in the GRF file, so we can only add a house spec to the house array
@ -7639,8 +7666,6 @@ static void FinaliseHouseArray()
}
}
Year min_year = MAX_YEAR;
for (int i = 0; i < HOUSE_MAX; i++) {
HouseSpec *hs = HouseSpec::Get(i);
const HouseSpec *next1 = (i + 1 < HOUSE_MAX ? HouseSpec::Get(i + 1) : NULL);
@ -7658,17 +7683,22 @@ static void FinaliseHouseArray()
* building_flags to zero here to make sure any house following
* this one in the pool is properly handled as 1x1 house. */
hs->building_flags = TILE_NO_FLAG;
} else {
if (hs->min_year < min_year) min_year = hs->min_year;
}
}
if (min_year != 0) {
for (int i = 0; i < HOUSE_MAX; i++) {
HouseSpec *hs = HouseSpec::Get(i);
HouseZones climate_mask = (HouseZones)(1 << (_settings_game.game_creation.landscape + 12));
EnsureEarlyHouse(HZ_ZON1 | climate_mask);
EnsureEarlyHouse(HZ_ZON2 | climate_mask);
EnsureEarlyHouse(HZ_ZON3 | climate_mask);
EnsureEarlyHouse(HZ_ZON4 | climate_mask);
EnsureEarlyHouse(HZ_ZON5 | climate_mask);
if (hs->enabled && hs->min_year == min_year) hs->min_year = 0;
}
if (_settings_game.game_creation.landscape == LT_ARCTIC) {
EnsureEarlyHouse(HZ_ZON1 | HZ_SUBARTC_ABOVE);
EnsureEarlyHouse(HZ_ZON2 | HZ_SUBARTC_ABOVE);
EnsureEarlyHouse(HZ_ZON3 | HZ_SUBARTC_ABOVE);
EnsureEarlyHouse(HZ_ZON4 | HZ_SUBARTC_ABOVE);
EnsureEarlyHouse(HZ_ZON5 | HZ_SUBARTC_ABOVE);
}
}