diff options
Diffstat (limited to 'src/rail_cmd.cpp')
-rw-r--r-- | src/rail_cmd.cpp | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/src/rail_cmd.cpp b/src/rail_cmd.cpp index 00f397453..638d70c63 100644 --- a/src/rail_cmd.cpp +++ b/src/rail_cmd.cpp @@ -1238,6 +1238,22 @@ static CommandCost ClearTile_Track(TileIndex tile, byte flags) #include "table/track_land.h" +/** + * Get surface height in point (x,y) + * On tiles with halftile foundations move (x,y) to a save point wrt. track + */ +static uint GetSaveSlopeZ(uint x, uint y, Track track) +{ + switch (track) { + case TRACK_UPPER: x &= ~0xF; y &= ~0xF; break; + case TRACK_LOWER: x |= 0xF; y |= 0xF; break; + case TRACK_LEFT: x |= 0xF; y &= ~0xF; break; + case TRACK_RIGHT: x &= ~0xF; y |= 0xF; break; + default: break; + } + return GetSlopeZ(x, y); +} + static void DrawSingleSignal(TileIndex tile, Track track, byte condition, uint image, uint pos) { bool side = (_opt.road_side != 0) && _patches.signal_side; @@ -1281,7 +1297,7 @@ static void DrawSingleSignal(TileIndex tile, Track track, byte condition, uint i sprite = _signal_base + (GetSignalType(tile, track) - 1) * 16 + GetSignalVariant(tile, track) * 64 + image + condition; } - AddSortableSpriteToDraw(sprite, PAL_NONE, x, y, 1, 1, BB_HEIGHT_UNDER_BRIDGE, GetSlopeZ(x,y)); + AddSortableSpriteToDraw(sprite, PAL_NONE, x, y, 1, 1, BB_HEIGHT_UNDER_BRIDGE, GetSaveSlopeZ(x, y, track)); } static uint32 _drawtile_track_palette; @@ -1338,6 +1354,7 @@ 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; AddSortableSpriteToDraw(SPR_TRACK_FENCE_FLAT_VERT, _drawtile_track_palette, ti->x + TILE_SIZE / 2, ti->y + TILE_SIZE / 2, 1, 1, 4, z); } @@ -1349,6 +1366,7 @@ 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; AddSortableSpriteToDraw(SPR_TRACK_FENCE_FLAT_VERT, _drawtile_track_palette, ti->x + TILE_SIZE / 2, ti->y + TILE_SIZE / 2, 1, 1, 4, z); } @@ -1360,6 +1378,7 @@ 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; AddSortableSpriteToDraw(SPR_TRACK_FENCE_FLAT_HORZ, _drawtile_track_palette, ti->x + TILE_SIZE / 2, ti->y + TILE_SIZE / 2, 1, 1, 4, z); } @@ -1371,6 +1390,7 @@ 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; AddSortableSpriteToDraw(SPR_TRACK_FENCE_FLAT_HORZ, _drawtile_track_palette, ti->x + TILE_SIZE / 2, ti->y + TILE_SIZE / 2, 1, 1, 4, z); } |