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author | frosch <frosch@openttd.org> | 2008-01-25 15:47:58 +0000 |
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committer | frosch <frosch@openttd.org> | 2008-01-25 15:47:58 +0000 |
commit | 6f6708e8448f891bc03c87c630a0c8f9cf47d332 (patch) | |
tree | f904e7af79be7c749721bcae930333e27ad88830 /src/rail_cmd.cpp | |
parent | d11aeb118c7a0b5f6c1900dfcdcfd97ea2333097 (diff) | |
download | openttd-6f6708e8448f891bc03c87c630a0c8f9cf47d332.tar.xz |
(svn r11983) -Codechange: Add some helper functions for slopes and use them.
Diffstat (limited to 'src/rail_cmd.cpp')
-rw-r--r-- | src/rail_cmd.cpp | 30 |
1 files changed, 11 insertions, 19 deletions
diff --git a/src/rail_cmd.cpp b/src/rail_cmd.cpp index c646b3a5c..6209b7ef9 100644 --- a/src/rail_cmd.cpp +++ b/src/rail_cmd.cpp @@ -239,11 +239,11 @@ Foundation GetRailFoundation(Slope tileh, TrackBits bits) return (valid_on_leveled ? FOUNDATION_LEVELED : FOUNDATION_INVALID); case TRACK_BIT_X: - if (HasSlopeHighestCorner(tileh)) return FOUNDATION_INCLINED_X; + if (IsSlopeWithOneCornerRaised(tileh)) return FOUNDATION_INCLINED_X; return (valid_on_leveled ? FOUNDATION_LEVELED : FOUNDATION_INVALID); case TRACK_BIT_Y: - if (HasSlopeHighestCorner(tileh)) return FOUNDATION_INCLINED_Y; + if (IsSlopeWithOneCornerRaised(tileh)) return FOUNDATION_INCLINED_Y; return (valid_on_leveled ? FOUNDATION_LEVELED : FOUNDATION_INVALID); default: @@ -255,7 +255,7 @@ Foundation GetRailFoundation(Slope tileh, TrackBits bits) if (!valid_on_leveled) return FOUNDATION_INVALID; /* If slope has three raised corners, build leveled foundation */ - if (HasSlopeHighestCorner(ComplementSlope(tileh))) return FOUNDATION_LEVELED; + if (IsSlopeWithThreeCornersRaised(tileh)) return FOUNDATION_LEVELED; /* If neighboured corners of track_corner are lowered, build halftile foundation */ if ((tileh & SlopeWithThreeCornersRaised(OppositeCorner(track_corner))) == SlopeWithOneCornerRaised(track_corner)) return HalftileFoundation(track_corner); @@ -396,7 +396,7 @@ CommandCost CmdBuildSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p /* FALLTHROUGH */ default: - bool water_ground = IsTileType(tile, MP_WATER) && !IsSteepSlope(tileh) && HasSlopeHighestCorner(tileh); + bool water_ground = IsTileType(tile, MP_WATER) && IsSlopeWithOneCornerRaised(tileh); ret = CheckRailSlope(tileh, trackbit, TRACK_BIT_NONE, tile); if (CmdFailed(ret)) return ret; @@ -540,7 +540,7 @@ bool FloodHalftile(TileIndex t) Slope tileh = GetTileSlope(t, NULL); TrackBits rail_bits = GetTrackBits(t); - if (!IsSteepSlope(tileh) && HasSlopeHighestCorner(tileh)) { + if (IsSlopeWithOneCornerRaised(tileh)) { TrackBits lower_track = CornerToTrackBits(OppositeCorner(GetHighestSlopeCorner(tileh))); TrackBits to_remove = lower_track & rail_bits; @@ -1497,9 +1497,7 @@ static void DrawTrackFence_NE_SW(const TileInfo *ti) */ static void DrawTrackFence_NS_1(const TileInfo *ti) { - int z = ti->z; - if (ti->tileh & SLOPE_W) z += TILE_HEIGHT; - if (IsSteepSlope(ti->tileh)) z += TILE_HEIGHT; + uint z = ti->z + GetSlopeZInCorner(RemoveHalftileSlope(ti->tileh), CORNER_W); AddSortableSpriteToDraw(SPR_TRACK_FENCE_FLAT_VERT, _drawtile_track_palette, ti->x + TILE_SIZE / 2, ti->y + TILE_SIZE / 2, 1, 1, 4, z); } @@ -1509,9 +1507,7 @@ static void DrawTrackFence_NS_1(const TileInfo *ti) */ static void DrawTrackFence_NS_2(const TileInfo *ti) { - int z = ti->z; - if (ti->tileh & SLOPE_E) z += TILE_HEIGHT; - if (IsSteepSlope(ti->tileh)) z += TILE_HEIGHT; + uint z = ti->z + GetSlopeZInCorner(RemoveHalftileSlope(ti->tileh), CORNER_E); AddSortableSpriteToDraw(SPR_TRACK_FENCE_FLAT_VERT, _drawtile_track_palette, ti->x + TILE_SIZE / 2, ti->y + TILE_SIZE / 2, 1, 1, 4, z); } @@ -1521,9 +1517,7 @@ static void DrawTrackFence_NS_2(const TileInfo *ti) */ static void DrawTrackFence_WE_1(const TileInfo *ti) { - int z = ti->z; - if (ti->tileh & SLOPE_N) z += TILE_HEIGHT; - if (IsSteepSlope(ti->tileh)) z += TILE_HEIGHT; + uint z = ti->z + GetSlopeZInCorner(RemoveHalftileSlope(ti->tileh), CORNER_N); AddSortableSpriteToDraw(SPR_TRACK_FENCE_FLAT_HORZ, _drawtile_track_palette, ti->x + TILE_SIZE / 2, ti->y + TILE_SIZE / 2, 1, 1, 4, z); } @@ -1533,9 +1527,7 @@ static void DrawTrackFence_WE_1(const TileInfo *ti) */ static void DrawTrackFence_WE_2(const TileInfo *ti) { - int z = ti->z; - if (ti->tileh & SLOPE_S) z += TILE_HEIGHT; - if (IsSteepSlope(ti->tileh)) z += TILE_HEIGHT; + uint z = ti->z + GetSlopeZInCorner(RemoveHalftileSlope(ti->tileh), CORNER_S); AddSortableSpriteToDraw(SPR_TRACK_FENCE_FLAT_HORZ, _drawtile_track_palette, ti->x + TILE_SIZE / 2, ti->y + TILE_SIZE / 2, 1, 1, 4, z); } @@ -2217,8 +2209,8 @@ static CommandCost TestAutoslopeOnRailTile(TileIndex tile, uint flags, uint z_ol } /* The height of the track_corner must not be changed. The rest ensures GetRailFoundation() already. */ - z_old += GetSlopeZInCorner((Slope)(tileh_old & ~SLOPE_HALFTILE_MASK), track_corner); - z_new += GetSlopeZInCorner((Slope)(tileh_new & ~SLOPE_HALFTILE_MASK), track_corner); + z_old += GetSlopeZInCorner(RemoveHalftileSlope(tileh_old), track_corner); + z_new += GetSlopeZInCorner(RemoveHalftileSlope(tileh_new), track_corner); if (z_old != z_new) return CMD_ERROR; CommandCost cost = CommandCost(EXPENSES_CONSTRUCTION, _price.terraform); |