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(svn r16872) -Codechange: Add RoadVehicle::GetDisplayImageWidth and simplify DrawRoadVehImage.

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frosch
2009-07-18 12:34:19 +00:00
parent 543b86307f
commit f9e085f004
3 changed files with 27 additions and 29 deletions
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16
src/roadveh_cmd.cpp
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@@ -85,6 +85,22 @@ static const Trackdir _roadveh_depot_exit_trackdir[DIAGDIR_END] = {
TRACKDIR_X_NE, TRACKDIR_Y_SE, TRACKDIR_X_SW, TRACKDIR_Y_NW
};
/**
* Get the width of a road vehicle image in the GUI.
* @param offset Additional offset for positioning the sprite; set to NULL if not needed
* @return Width in pixels
*/
int RoadVehicle::GetDisplayImageWidth(Point *offset) const
{
int reference_width = ROADVEHINFO_DEFAULT_VEHICLE_WIDTH;
if (offset != NULL) {
offset->x = reference_width / 2;
offset->y = 0;
}
return this->rcache.cached_veh_length * reference_width / 8;
}
static SpriteID GetRoadVehIcon(EngineID engine)
{
uint8 spritenum = RoadVehInfo(engine)->image_index;