diff options
Diffstat (limited to 'src/ship_cmd.cpp')
| -rw-r--r-- | src/ship_cmd.cpp | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/src/ship_cmd.cpp b/src/ship_cmd.cpp index 6c09b0a28..6b6ec4715 100644 --- a/src/ship_cmd.cpp +++ b/src/ship_cmd.cpp @@ -271,24 +271,23 @@ TileIndex Ship::GetOrderStationLocation(StationID station) void Ship::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( 6, 6, -3, -3), - MKIT( 6, 32, -3, -16), - MKIT( 6, 6, -3, -3), - MKIT(32, 6, -16, -3), - MKIT( 6, 6, -3, -3), - MKIT( 6, 32, -3, -16), - MKIT( 6, 6, -3, -3), - MKIT(32, 6, -16, -3), + static const int8 _delta_xy_table[8][4] = { + /* y_extent, x_extent, y_offs, x_offs */ + { 6, 6, -3, -3}, // N + { 6, 32, -3, -16}, // NE + { 6, 6, -3, -3}, // E + {32, 6, -16, -3}, // SE + { 6, 6, -3, -3}, // S + { 6, 32, -3, -16}, // SW + { 6, 6, -3, -3}, // W + {32, 6, -16, -3}, // 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; } |