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(svn r23713) -Codechange: split VehicleMove() into two functions, to minimalize the work done where possible

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truebrain
2012-01-02 13:44:30 +00:00
parent 19004a77f8
commit 0d929e877f
11 changed files with 70 additions and 52 deletions
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4
src/vehicle_base.h
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@@ -991,14 +991,14 @@ struct SpecializedVehicle : public Vehicle {
*/
inline void UpdateViewport(bool moved, bool turned)
{
extern void VehicleMove(Vehicle *v, bool update_viewport);
extern void VehicleUpdatePositionAndViewport(Vehicle *v);
/* Explicitly choose method to call to prevent vtable dereference -
* it gives ~3% runtime improvements in games with many vehicles */
if (turned) ((T *)this)->T::UpdateDeltaXY(this->direction);
SpriteID old_image = this->cur_image;
this->cur_image = ((T *)this)->T::GetImage(this->direction, EIT_ON_MAP);
if (moved || this->cur_image != old_image) VehicleMove(this, true);
if (moved || this->cur_image != old_image) VehicleUpdatePositionAndViewport(this);
}
};