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Extract common expression into CalcHashID function

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This commit is contained in:
Robert Müller 2022-08-08 22:30:14 +02:00
parent aeca43fbdb
commit b99b861e1c
1 changed files with 7 additions and 2 deletions
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9
src/engine/shared/snapshot.cpp
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@ -156,6 +156,11 @@ enum
HASHLIST_SIZE = 256,
};
inline size_t CalcHashID(int Key)
{
return ((Key >> 12) & 0xf0) | (Key & 0xf);
}
static void GenerateHash(CItemList *pHashlist, CSnapshot *pSnapshot)
{
for(int i = 0; i < HASHLIST_SIZE; i++)
@ -164,7 +169,7 @@ static void GenerateHash(CItemList *pHashlist, CSnapshot *pSnapshot)
for(int i = 0; i < pSnapshot->NumItems(); i++)
{
int Key = pSnapshot->GetItem(i)->Key();
int HashID = ((Key >> 12) & 0xf0) | (Key & 0xf);
size_t HashID = CalcHashID(Key);
if(pHashlist[HashID].m_Num != 64)
{
pHashlist[HashID].m_aIndex[pHashlist[HashID].m_Num] = i;
@ -176,7 +181,7 @@ static void GenerateHash(CItemList *pHashlist, CSnapshot *pSnapshot)
static int GetItemIndexHashed(int Key, const CItemList *pHashlist)
{
int HashID = ((Key >> 12) & 0xf0) | (Key & 0xf);
size_t HashID = CalcHashID(Key);
for(int i = 0; i < pHashlist[HashID].m_Num; i++)
{
if(pHashlist[HashID].m_aKeys[i] == Key)