dtQueryFilter PathInfo::createFilter()
{
dtQueryFilter filter;
if (m_sourceUnit->GetTypeId() != TYPEID_UNIT)
return filter;
Creature* creature = (Creature*)m_sourceUnit;
unsigned short includeFlags = 0;
unsigned short excludeFlags = 0;
if (creature->canWalk())
includeFlags |= NAV_GROUND; // walk
// creatures don't take environmental damage
if (creature->canSwim() || creature->isPet())
includeFlags |= (NAV_WATER | NAV_MAGMA | NAV_SLIME); // swim
// allow creatures to cheat and use different movement types if they are moved
// forcefully into terrain they can't normally move in
if (creature->IsInWater() || creature->IsUnderWater())
includeFlags |= getNavTerrain(creature->GetPositionX(),creature->GetPositionY(),creature->GetPositionZ());
filter.setIncludeFlags(includeFlags);
filter.setExcludeFlags(excludeFlags);
return filter;
}
void PathInfo::updateFilter()
{
// allow creatures to cheat and use different movement types if they are moved
// forcefully into terrain they can't normally move in
if (m_sourceUnit->IsInWater() || m_sourceUnit->IsUnderWater())
{
unsigned short includedFlags = m_filter.getIncludeFlags();
includedFlags |= getNavTerrain(m_sourceUnit->GetPositionX(),
m_sourceUnit->GetPositionY(),
m_sourceUnit->GetPositionZ());
m_filter.setIncludeFlags(includedFlags);
}
}
dtQueryFilter PathInfo::createFilter()
{
dtQueryFilter filter;
if(m_sourceObject->GetTypeId() != TYPEID_UNIT)
return filter;
Creature* creature = (Creature*)m_sourceObject;
filter.includeFlags = 0;
filter.excludeFlags = 0;
if(creature->canWalk())
{
filter.includeFlags |= NAV_GROUND; // walk
filter.includeFlags |= NAV_SHALLOW_WATER; // any creature can walk through shallow water
}
if(creature->canSwim())
filter.includeFlags |= NAV_WATER; // swim
else
{
// TODO: check size of creature to determine NAV_AVERAGE_WATER and NAV_DEEP_WATER
}
// TODO: check for NAV_MAGMA
//if(creature->IsImmunedToDamage(SPELL_SCHOOL_MASK_FIRE)) // immune to fire damage - valid?
// TODO: check for NAV_SLIME
// allow creatures to cheat and use different movement types if they are moved
// forcefully into terrain they can't normally move in
if(creature->IsInWater() || creature->IsUnderWater())
filter.includeFlags |= getNavTerrain(creature->GetPositionX(),creature->GetPositionY(),creature->GetPositionZ());
return filter;
}
