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(svn r27805) -Codechange: Remove function ShipGetNewDirectionFromTiles

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The only user of ShipGetNewDirectionFromTiles can be better
served by DiagdirBetweenTiles, so remove the former. (cirdan)
This commit is contained in:
peter1138 2017-03-19 21:57:54 +00:00
parent 8c49f7b98a
commit 4f9fd074b8
1 changed files with 2 additions and 11 deletions
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13
src/ship_cmd.cpp
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@ -462,14 +462,6 @@ static const Direction _new_vehicle_direction_table[] = {
DIR_E , DIR_SE, DIR_S
};
static Direction ShipGetNewDirectionFromTiles(TileIndex new_tile, TileIndex old_tile)
{
uint offs = (TileY(new_tile) - TileY(old_tile) + 1) * 4 +
TileX(new_tile) - TileX(old_tile) + 1;
assert(offs < 11 && offs != 3 && offs != 7);
return _new_vehicle_direction_table[offs];
}
static Direction ShipGetNewDirection(Vehicle *v, int x, int y)
{
uint offs = (y - v->y_pos + 1) * 4 + (x - v->x_pos + 1);
@ -599,9 +591,8 @@ static void ShipController(Ship *v)
/* New tile */
if (!IsValidTile(gp.new_tile)) goto reverse_direction;
dir = ShipGetNewDirectionFromTiles(gp.new_tile, gp.old_tile);
assert(dir == DIR_NE || dir == DIR_SE || dir == DIR_SW || dir == DIR_NW);
DiagDirection diagdir = DirToDiagDir(dir);
DiagDirection diagdir = DiagdirBetweenTiles(gp.old_tile, gp.new_tile);
assert(diagdir != INVALID_DIAGDIR);
tracks = GetAvailShipTracks(gp.new_tile, diagdir);
if (tracks == TRACK_BIT_NONE) goto reverse_direction;