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authorfrosch <frosch@openttd.org>2012-06-06 14:03:22 +0000
committerfrosch <frosch@openttd.org>2012-06-06 14:03:22 +0000
commit2eb9795a9875b4604294fbb49a4acccd0b030480 (patch)
tree823fe087adde6f152bbe4022f97b9aba4edbdfc3 /src/roadveh_cmd.cpp
parentc0e209162a9c0ddac2ca04671c42c15d7a3101d6 (diff)
downloadopenttd-2eb9795a9875b4604294fbb49a4acccd0b030480.tar.xz
(svn r24328) -Codechange: Simplify some silly code.
Diffstat (limited to 'src/roadveh_cmd.cpp')
-rw-r--r--src/roadveh_cmd.cpp31
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;
}