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-rw-r--r--src/newgrf.cpp8
-rw-r--r--src/town_map.h8
2 files changed, 12 insertions, 4 deletions
diff --git a/src/newgrf.cpp b/src/newgrf.cpp
index 5fe787877..5a7508b99 100644
--- a/src/newgrf.cpp
+++ b/src/newgrf.cpp
@@ -1538,6 +1538,14 @@ static bool TownHouseChangeInfo(uint hid, int numinfo, int prop, byte **bufp, in
ret = true;
} break;
+ case 0x21: // long introduction year
+ housespec->min_year = grf_load_word(&buf);
+ break;
+
+ case 0x22: // long maximum year
+ housespec->max_year = grf_load_word(&buf);
+ break;
+
default:
ret = true;
break;
diff --git a/src/town_map.h b/src/town_map.h
index f8cc4c071..3b6263c6a 100644
--- a/src/town_map.h
+++ b/src/town_map.h
@@ -265,7 +265,7 @@ static inline void IncHouseConstructionTick(TileIndex t)
}
/**
- * Set the year that this house was constructed (between 1920 and 2175).
+ * Set the year that this house was constructed.
* @param t the tile of this house
* @param year the year to set
* @pre IsTileType(t, MP_HOUSE) && IsHouseCompleted(t)
@@ -273,11 +273,11 @@ static inline void IncHouseConstructionTick(TileIndex t)
static inline void SetHouseConstructionYear(TileIndex t, Year year)
{
assert(IsTileType(t, MP_HOUSE) && IsHouseCompleted(t));
- _m[t].m5 = Clamp(year - ORIGINAL_BASE_YEAR, 0, 0xFF);
+ _m[t].m5 = Clamp(year - GetHouseSpecs(GetHouseType(t))->min_year, 0, 0xFF);
}
/**
- * Get the year that this house was constructed (between 1920 and 2175).
+ * Get the year that this house was constructed.
* @param t the tile of this house
* @pre IsTileType(t, MP_HOUSE)
* @return year
@@ -285,7 +285,7 @@ static inline void SetHouseConstructionYear(TileIndex t, Year year)
static inline Year GetHouseConstructionYear(TileIndex t)
{
assert(IsTileType(t, MP_HOUSE));
- return IsHouseCompleted(t) ? _m[t].m5 + ORIGINAL_BASE_YEAR : 0;
+ return IsHouseCompleted(t) ? _m[t].m5 + GetHouseSpecs(GetHouseType(t))->min_year : 0;
}
/**