factionTemplate->faction can be 0, add appropriate checks to prevent crashes and unexpected work.

This commit is contained in:
VladimirMangos 2009-03-03 17:09:58 +03:00
parent 3ab8264189
commit 03273a49da
4 changed files with 73 additions and 44 deletions

View file

@ -730,22 +730,38 @@ struct FactionTemplateEntry
// helpers
bool IsFriendlyTo(FactionTemplateEntry const& entry) const
{
if(enemyFaction[0] == entry.faction || enemyFaction[1] == entry.faction || enemyFaction[2] == entry.faction || enemyFaction[3] == entry.faction )
return false;
if(friendFaction[0] == entry.faction || friendFaction[1] == entry.faction || friendFaction[2] == entry.faction || friendFaction[3] == entry.faction )
return true;
if(entry.faction)
{
for(int i = 0; i < 4; ++i)
if (enemyFaction[i] == entry.faction)
return false;
for(int i = 0; i < 4; ++i)
if (friendFaction[i] == entry.faction)
return true;
}
return (friendlyMask & entry.ourMask) || (ourMask & entry.friendlyMask);
}
bool IsHostileTo(FactionTemplateEntry const& entry) const
{
if(enemyFaction[0] == entry.faction || enemyFaction[1] == entry.faction || enemyFaction[2] == entry.faction || enemyFaction[3] == entry.faction )
return true;
if(friendFaction[0] == entry.faction || friendFaction[1] == entry.faction || friendFaction[2] == entry.faction || friendFaction[3] == entry.faction )
return false;
if(entry.faction)
{
for(int i = 0; i < 4; ++i)
if (enemyFaction[i] == entry.faction)
return true;
for(int i = 0; i < 4; ++i)
if (friendFaction[i] == entry.faction)
return false;
}
return (hostileMask & entry.ourMask) != 0;
}
bool IsHostileToPlayers() const { return (hostileMask & FACTION_MASK_PLAYER) !=0; }
bool IsNeutralToAll() const { return hostileMask == 0 && friendlyMask == 0 && enemyFaction[0]==0 && enemyFaction[1]==0 && enemyFaction[2]==0 && enemyFaction[3]==0; }
bool IsNeutralToAll() const
{
for(int i = 0; i < 4; ++i)
if (enemyFaction[i] != 0)
return false;
return hostileMask == 0 && friendlyMask == 0;
}
bool IsContestedGuardFaction() const { return (factionFlags & FACTION_TEMPLATE_FLAG_CONTESTED_GUARD)!=0; }
};