cpp/openttd-patchpack/source Changeset - r18248:133cf25ab512

Changeset - r18248:133cf25ab512

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rubidium - 13 years ago 2011-11-04 10:23:48
rubidium@openttd.org

(svn r23094) -Codechange: add a default NULL to GetFoundationSlope and use it

5 files changed with 7 insertions and 6 deletions:

src/landscape.h

src/road.cpp

src/road_cmd.cpp

src/town_cmd.cpp

src/water_cmd.cpp

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src/landscape.h

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@@ @@ -36,7 +36,7 @@ byte LowestSnowLine(); @@
 void ClearSnowLine();
 int GetSlopeZInCorner(Slope tileh, Corner corner);
 Slope GetFoundationSlope(TileIndex tile, uint *z);
+Slope GetFoundationSlope(TileIndex tile, uint *z = NULL);
 uint GetPartialPixelZ(int x, int y, Slope corners);
 uint GetSlopePixelZ(int x, int y);
@@ @@ -66,8 +66,9 @@ static inline int GetSlopePixelZInCorner @@
  */
 static inline Slope GetFoundationPixelSlope(TileIndex tile, uint *z)
+{
 	assert(z != NULL);
 	Slope s = GetFoundationSlope(tile, z);
-	if (z != NULL) *z *= TILE_HEIGHT;
 	*z *= TILE_HEIGHT;
 	return s;
+}

src/road.cpp

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@@ @@ -32,7 +32,7 @@ static bool IsPossibleCrossing(const Til @@
 	return (IsTileType(tile, MP_RAILWAY) &&
 		GetRailTileType(tile) == RAIL_TILE_NORMAL &&
 		GetTrackBits(tile) == (ax == AXIS_X ? TRACK_BIT_Y : TRACK_BIT_X) &&
-		GetFoundationPixelSlope(tile, NULL) == SLOPE_FLAT);
+		GetFoundationSlope(tile) == SLOPE_FLAT);
+}
 /**

src/road_cmd.cpp

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@@ @@ -1410,7 +1410,7 @@ static void TileLoop_Road(TileIndex tile @@
 			if (t->road_build_months != 0 &&
 					(DistanceManhattan(t->xy, tile) < 8 || grp != HZB_TOWN_EDGE) &&
 					IsNormalRoad(tile) && !HasAtMostOneBit(GetAllRoadBits(tile))) {
-				if (GetFoundationPixelSlope(tile, NULL) == SLOPE_FLAT && EnsureNoVehicleOnGround(tile).Succeeded() && Chance16(1, 40)) {
+				if (GetFoundationSlope(tile) == SLOPE_FLAT && EnsureNoVehicleOnGround(tile).Succeeded() && Chance16(1, 40)) {
 					StartRoadWorks(tile);
 					SndPlayTileFx(SND_21_JACKHAMMER, tile);

src/town_cmd.cpp

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@@ @@ -787,7 +787,7 @@ static bool IsRoadAllowedHere(Town *t, T @@
+		}
+	}
-	Slope cur_slope = _settings_game.construction.build_on_slopes ? GetFoundationPixelSlope(tile, NULL) : GetTileSlope(tile);
+	Slope cur_slope = _settings_game.construction.build_on_slopes ? GetFoundationSlope(tile) : GetTileSlope(tile);
 	bool ret = !IsNeighborRoadTile(tile, dir, t->layout == TL_ORIGINAL ? 1 : 2);
 	if (cur_slope == SLOPE_FLAT) return ret;

src/water_cmd.cpp

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@@ @@ -1090,7 +1090,7 @@ void TileLoop_Water(TileIndex tile) @@
 			break;
 		case FLOOD_DRYUP: {
-			Slope slope_here = GetFoundationPixelSlope(tile, NULL) & ~SLOPE_HALFTILE_MASK & ~SLOPE_STEEP;
+			Slope slope_here = GetFoundationSlope(tile) & ~SLOPE_HALFTILE_MASK & ~SLOPE_STEEP;
 			uint dir;
 			FOR_EACH_SET_BIT(dir, _flood_from_dirs[slope_here]) {
 				TileIndex dest = AddTileIndexDiffCWrap(tile, TileIndexDiffCByDir((Direction)dir));

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