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Tiny optimization about the update of the dragging cursor state

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This commit is contained in:
Ali El Gariani 2007-03-30 17:37:52 +00:00
parent 53214f38b6
commit d01996b915
1 changed files with 4 additions and 6 deletions
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10
src/mouse_events.cpp
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@ -674,6 +674,8 @@ undo_stack_(undo_stack), redo_stack_(redo_stack)
dragging_ = false;
dragging_started_ = false;
update_cursor_ = false;
drag_from_x_ = 0;
drag_from_y_ = 0;
last_nearest_ = gamemap::location::NORTH;
last_second_nearest_ = gamemap::location::NORTH;
enemy_paths_ = false;
@ -722,16 +724,12 @@ void mouse_handler::mouse_motion(int x, int y, const bool browse)
// Fire the drag & drop only after minimal drag distance
// or when we quit the initial hex.
int drag_distance = maximum<int>(abs(drag_from_x_- x), abs(drag_from_y_- y));
const int drag_distance = maximum<int>(abs(drag_from_x_- x), abs(drag_from_y_- y));
if (dragging_ && !dragging_started_ && (drag_distance > 3 || new_hex != last_hex_)) {
dragging_started_ = true;
}
// Do a systematic update of the cursor only when
// we are near this limit
if (dragging_ && drag_distance < 10) {
update_cursor_ = true;
}
if(new_hex != last_hex_ || nearest_hex != last_nearest_ || second_nearest_hex != last_second_nearest_ || update_cursor_) {
if(new_hex.valid() == false) {
current_route_.steps.clear();