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-rw-r--r--src/newgrf.cpp48
1 files changed, 39 insertions, 9 deletions
diff --git a/src/newgrf.cpp b/src/newgrf.cpp
index 93f194b92..200505474 100644
--- a/src/newgrf.cpp
+++ b/src/newgrf.cpp
@@ -7603,6 +7603,33 @@ static bool IsHouseSpecValid(HouseSpec *hs, const HouseSpec *next1, const HouseS
}
/**
+ * 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
* after the file has finished loading. We also need to check the dates, due to
@@ -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);
}
}