cpp/openttd-patchpack/source Changeset - r15438:0fdaf92abff1

Changeset - r15438:0fdaf92abff1

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alberth - 14 years ago 2010-07-09 12:14:02
alberth@openttd.org

(svn r20097) -Codechange: Share constant bitset of safe level crossing slopes.

3 files changed with 6 insertions and 10 deletions:

src/rail_cmd.cpp

src/road_cmd.cpp

src/slope_type.h

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src/rail_cmd.cpp

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@@ @@ -408,12 +408,8 @@ CommandCost CmdBuildSingleRail(TileIndex @@
+		}
 		case MP_ROAD: {
 #define M(x) (1 << (x))
 			/* Level crossings may only be built on these slopes */
 			if (!HasBit(M(SLOPE_SEN) | M(SLOPE_ENW) | M(SLOPE_NWS) | M(SLOPE_NS) | M(SLOPE_WSE) | M(SLOPE_EW) | M(SLOPE_FLAT), tileh)) {
 				return_cmd_error(STR_ERROR_LAND_SLOPED_IN_WRONG_DIRECTION);
+			}
 #undef M
 			if (!HasBit(VALID_LEVEL_CROSSING_SLOPES, tileh)) return_cmd_error(STR_ERROR_LAND_SLOPED_IN_WRONG_DIRECTION);
 			CommandCost ret = EnsureNoVehicleOnGround(tile);
 			if (ret.Failed()) return ret;

src/road_cmd.cpp

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@@ @@ -52,11 +52,6 @@ bool RoadVehiclesAreBuilt() @@
 	return false;
+}
 #define M(x) (1 << (x))
 /* Level crossings may only be built on these slopes */
 static const uint32 VALID_LEVEL_CROSSING_SLOPES = (M(SLOPE_SEN) | M(SLOPE_ENW) | M(SLOPE_NWS) | M(SLOPE_NS) | M(SLOPE_WSE) | M(SLOPE_EW) | M(SLOPE_FLAT));
 #undef M
 /* Invalid RoadBits on slopes  */
 static const RoadBits _invalid_tileh_slopes_road[2][15] = {
 	/* The inverse of the mixable RoadBits on a leveled slope */

src/slope_type.h

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@@ @@ -79,6 +79,11 @@ enum Slope { @@
 };
 DECLARE_ENUM_AS_BIT_SET(Slope)
 #define M(x) (1 << (x))
 /** Constant bitset with safe slopes for building a level crossing. */
 static const uint32 VALID_LEVEL_CROSSING_SLOPES = M(SLOPE_SEN) | M(SLOPE_ENW) | M(SLOPE_NWS) | M(SLOPE_NS) | M(SLOPE_WSE) | M(SLOPE_EW) | M(SLOPE_FLAT);
 #undef M
 /**
  * Enumeration for Foundations.

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