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(svn r27166) -Codechange: Optimise ScriptList by making use of iterators instead of looking up map-items multiple times per API call.

This commit is contained in:
frosch 2015-02-22 23:04:02 +00:00
parent df0ad888e0
commit fece468d96
1 changed files with 23 additions and 19 deletions
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42
src/script/api/script_list.cpp
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@ -440,24 +440,25 @@ void ScriptList::AddItem(int64 item, int64 value)
if (this->HasItem(item)) return;
this->items[item] = 0;
this->buckets[0].insert(item);
this->SetValue(item, value);
this->items[item] = value;
this->buckets[value].insert(item);
}
void ScriptList::RemoveItem(int64 item)
{
this->modifications++;
if (!this->HasItem(item)) return;
ScriptListMap::iterator item_iter = this->items.find(item);
if (item_iter == this->items.end()) return;
int64 value = this->GetValue(item);
int64 value = item_iter->second;
this->sorter->Remove(item);
this->buckets[value].erase(item);
if (this->buckets[value].empty()) this->buckets.erase(value);
this->items.erase(item);
ScriptListBucket::iterator bucket_iter = this->buckets.find(value);
assert(bucket_iter != this->buckets.end());
bucket_iter->second.erase(item);
if (bucket_iter->second.empty()) this->buckets.erase(bucket_iter);
this->items.erase(item_iter);
}
int64 ScriptList::Begin()
@ -496,24 +497,26 @@ int32 ScriptList::Count()
int64 ScriptList::GetValue(int64 item)
{
if (!this->HasItem(item)) return 0;
return this->items[item];
ScriptListMap::const_iterator item_iter = this->items.find(item);
return item_iter == this->items.end() ? 0 : item_iter->second;
}
bool ScriptList::SetValue(int64 item, int64 value)
{
this->modifications++;
if (!this->HasItem(item)) return false;
ScriptListMap::iterator item_iter = this->items.find(item);
if (item_iter == this->items.end()) return false;
int64 value_old = this->GetValue(item);
int64 value_old = item_iter->second;
if (value_old == value) return true;
this->sorter->Remove(item);
this->buckets[value_old].erase(item);
if (this->buckets[value_old].empty()) this->buckets.erase(value_old);
this->items[item] = value;
ScriptListBucket::iterator bucket_iter = this->buckets.find(value_old);
assert(bucket_iter != this->buckets.end());
bucket_iter->second.erase(item);
if (bucket_iter->second.empty()) this->buckets.erase(bucket_iter);
item_iter->second = value;
this->buckets[value].insert(item);
return true;
@ -772,9 +775,10 @@ SQInteger ScriptList::_get(HSQUIRRELVM vm)
SQInteger idx;
sq_getinteger(vm, 2, &idx);
if (!this->HasItem(idx)) return SQ_ERROR;
ScriptListMap::const_iterator item_iter = this->items.find(idx);
if (item_iter == this->items.end()) return SQ_ERROR;
sq_pushinteger(vm, this->GetValue(idx));
sq_pushinteger(vm, item_iter->second);
return 1;
}