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Fix: Remove desert around lakes upon generation

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This commit is contained in:
SamuXarick
2019-02-23 12:16:12 +00:00
committed by Niels Martin Hansen
parent fde5bd0ccf
commit 4adb91202d
3 changed files with 9 additions and 2 deletions
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8
src/landscape.cpp
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@@ -1063,6 +1063,9 @@ static bool MakeLake(TileIndex tile, void *user_data)
TileIndex t2 = tile + TileOffsByDiagDir(d);
if (IsWaterTile(t2)) {
MakeRiver(tile, Random());
/* Remove desert directly around the river tile. */
TileIndex t = tile;
CircularTileSearch(&t, RIVER_OFFSET_DESERT_DISTANCE, RiverModifyDesertZone, NULL);
return false;
}
}
@@ -1134,7 +1137,7 @@ static void River_FoundEndNode(AyStar *aystar, OpenListNode *current)
if (!IsWaterTile(tile)) {
MakeRiver(tile, Random());
/* Remove desert directly around the river tile. */
CircularTileSearch(&tile, 5, RiverModifyDesertZone, NULL);
CircularTileSearch(&tile, RIVER_OFFSET_DESERT_DISTANCE, RiverModifyDesertZone, NULL);
}
}
}
@@ -1245,6 +1248,9 @@ static bool FlowRiver(TileIndex spring, TileIndex begin)
DistanceManhattan(spring, lakeCenter) > _settings_game.game_creation.min_river_length) {
end = lakeCenter;
MakeRiver(lakeCenter, Random());
/* Remove desert directly around the river tile. */
CircularTileSearch(&lakeCenter, RIVER_OFFSET_DESERT_DISTANCE, RiverModifyDesertZone, NULL);
lakeCenter = end;
uint range = RandomRange(8) + 3;
CircularTileSearch(&lakeCenter, range, MakeLake, &height);
/* Call the search a second time so artefacts from going circular in one direction get (mostly) hidden. */