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Whiteboard: Prefer using pointer before changing the unit map,

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...even though unit map doesn't invalidate pointers when moving units.
This commit is contained in:
Gabriel Morin 2010-07-22 03:11:09 +00:00
parent f24bd39a38
commit d33c3fe62f
1 changed files with 13 additions and 11 deletions
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24
src/whiteboard/move.cpp
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@ -211,19 +211,21 @@ void move::apply_temp_modifier(unit_map& unit_map)
//TODO: we may need to change unit status here and change it back in remove_temp_modifier
// Move the unit
unit_map::iterator unit_it = resources::units->find(get_source_hex());
assert(unit_it != resources::units->end());
unit* unit = &*unit_it;
DBG_WB << "Temporarily moving unit " << unit->name() << " [" << unit->underlying_id()
unit& unit = *unit_it;
//Modify movement points
DBG_WB <<"Changing movement points for unit " << unit.name() << " [" << unit.underlying_id()
<< "] from " << unit.movement_left() << " to "
<< unit.movement_left() - movement_cost_ << ".\n";
unit.set_movement(unit.movement_left() - movement_cost_);
// Move the unit
DBG_WB << "Temporarily moving unit " << unit.name() << " [" << unit.underlying_id()
<< "] from (" << get_source_hex() << ") to (" << get_dest_hex() <<")\n";
unit_map.move(get_source_hex(), get_dest_hex());
//Modify movement points accordingly
DBG_WB <<"Changing movement points for unit " << unit->name() << " [" << unit->underlying_id()
<< "] from " << unit->movement_left() << " to "
<< unit->movement_left() - movement_cost_ << ".\n";
unit->set_movement(unit->movement_left() - movement_cost_);
}
void move::remove_temp_modifier(unit_map& unit_map)
@ -233,13 +235,13 @@ void move::remove_temp_modifier(unit_map& unit_map)
unit_map::iterator unit_it = resources::units->find(get_dest_hex());
assert(unit_it != resources::units->end());
unit& unit = *unit_it;
// Restore movement points
unit_it->set_movement(unit_it->movement_left() + movement_cost_);
// Restore the unit to its original position
unit_map.move(get_dest_hex(), get_source_hex());
// Restore movement points
unit.set_movement(unit.movement_left() + movement_cost_);
}
void move::draw_hex(const map_location& hex)