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Diffstat (limited to '')
| -rw-r--r-- | src/core/References.cpp | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/core/References.cpp b/src/core/References.cpp index 52abbc3e..6b0c868c 100644 --- a/src/core/References.cpp +++ b/src/core/References.cpp @@ -22,6 +22,66 @@ CReferences::Init(void) } void +CEntity::RegisterReference(CEntity **pent) +{ + if(IsBuilding()) + return; + CReference *ref; + // check if already registered + for(ref = m_pFirstReference; ref; ref = ref->next) + if(ref->pentity == pent) + return; + // have to allocate new reference + ref = CReferences::pEmptyList; + if(ref){ + CReferences::pEmptyList = ref->next; + + ref->pentity = pent; + ref->next = m_pFirstReference; + m_pFirstReference = ref; + return; + } + return; +} + +// Clear all references to this entity +void +CEntity::ResolveReferences(void) +{ + CReference *ref; + // clear pointers to this entity + for(ref = m_pFirstReference; ref; ref = ref->next) + if(*ref->pentity == this) + *ref->pentity = nil; + // free list + if(m_pFirstReference){ + for(ref = m_pFirstReference; ref->next; ref = ref->next) + ; + ref->next = CReferences::pEmptyList; + CReferences::pEmptyList = m_pFirstReference; + m_pFirstReference = nil; + } +} + +// Free all references that no longer point to this entity +void +CEntity::PruneReferences(void) +{ + CReference *ref, *next, **lastnextp; + lastnextp = &m_pFirstReference; + for(ref = m_pFirstReference; ref; ref = next){ + next = ref->next; + if(*ref->pentity == this) + lastnextp = &ref->next; + else{ + *lastnextp = ref->next; + ref->next = CReferences::pEmptyList; + CReferences::pEmptyList = ref; + } + } +} + +void CReferences::RemoveReferencesToPlayer(void) { if(FindPlayerVehicle()) |