diff options
Diffstat (limited to 'src/roadveh_cmd.cpp')
| -rw-r--r-- | src/roadveh_cmd.cpp | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/src/roadveh_cmd.cpp b/src/roadveh_cmd.cpp index 9e242e2cf..bb917da7f 100644 --- a/src/roadveh_cmd.cpp +++ b/src/roadveh_cmd.cpp @@ -389,24 +389,23 @@ void RoadVehicle::MarkDirty() void RoadVehicle::UpdateDeltaXY(Direction direction) { -#define MKIT(a, b, c, d) ((a & 0xFF) << 24) | ((b & 0xFF) << 16) | ((c & 0xFF) << 8) | ((d & 0xFF) << 0) - static const uint32 _delta_xy_table[8] = { - MKIT(3, 3, -1, -1), - MKIT(3, 7, -1, -3), - MKIT(3, 3, -1, -1), - MKIT(7, 3, -3, -1), - MKIT(3, 3, -1, -1), - MKIT(3, 7, -1, -3), - MKIT(3, 3, -1, -1), - MKIT(7, 3, -3, -1), + static const int8 _delta_xy_table[8][4] = { + /* y_extent, x_extent, y_offs, x_offs */ + {3, 3, -1, -1}, // N + {3, 7, -1, -3}, // NE + {3, 3, -1, -1}, // E + {7, 3, -3, -1}, // SE + {3, 3, -1, -1}, // S + {3, 7, -1, -3}, // SW + {3, 3, -1, -1}, // W + {7, 3, -3, -1}, // NW }; -#undef MKIT - uint32 x = _delta_xy_table[direction]; - this->x_offs = GB(x, 0, 8); - this->y_offs = GB(x, 8, 8); - this->x_extent = GB(x, 16, 8); - this->y_extent = GB(x, 24, 8); + const int8 *bb = _delta_xy_table[direction]; + this->x_offs = bb[3]; + this->y_offs = bb[2]; + this->x_extent = bb[1]; + this->y_extent = bb[0]; this->z_extent = 6; } |