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[~] Performance optimizations around Attachment[] and Launchable[] arrays

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AIMNAS with its ~50K elements in Attachment[] suffered of performance drop when MOLLE stuff is in the visible inventory. To resolve it the following is done:
* Introduce gMAXATTACHMENTS_READ with actual number of elements in Attachment[]; according refactoring.
* Introduce gMAXLAUNCHABLES_READ with actual number of elements in Launchable[]; according refactoring.
* Introduce std::multimap AttachmentBackmap for quick access to attachments using itemId as a key.
* Sort Attachment[] by attachmentIndex right after loading from XML. According order in XML is not needed anymore.
* Introduce FindAttachmentRange() for quick access to attachments using attachmentId as a key (binary search in Attachment[]).
In a few words, GetHelpTextForItemInLaptop(), ValidAttachment(), SetAttachmentSlotsFlag() were heavily optimized.
This commit is contained in:
sun-alf
2023-09-08 21:58:14 +03:00
parent 4c861e441a
commit f8637e5972
7 changed files with 224 additions and 170 deletions
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Tactical/Items.h
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@@ -568,6 +568,7 @@ INT32 GetPercentRangeBonus( OBJECTTYPE * pObj );
UINT8 GetInventorySleepModifier( SOLDIERTYPE *pSoldier );
void AttachDefaultAttachments(OBJECTTYPE *pObj, BOOLEAN fAllDefaultAttachments=TRUE);//dnl ch75 261013
BOOLEAN FindAttachmentRange(UINT16 usAttachment, UINT32* pStartIndex, UINT32* pEndIndex);
// Flugente: is this object useable by militia?
BOOLEAN ObjectIsMilitiaRelevant( OBJECTTYPE *pObj );