bool NPCType::Load(iResultRow &row)
{
csString parents = row.GetString("parents");
if(!parents.IsEmpty()) // this npctype is a subclass of another npctype
{
csArray<csString> parent = psSplit(parents,',');
for(size_t i = 0; i < parent.GetSize(); i++)
{
NPCType *superclass = npcclient->FindNPCType(parent[i]);
if(superclass)
{
DeepCopy(*superclass); // This pulls everything from the parent into this one.
}
else
{
Error2("Specified parent npctype '%s' could not be found.",
parent[i].GetDataSafe());
return false;
}
}
}
name = row.GetString("name");
if(name.Length() == 0)
{
Error1("NPCType has no name attribute. Error in DB");
return false;
}
ang_vel = row.GetFloat("ang_vel");
csString velStr = row.GetString("vel");
velStr.Upcase();
if(velStr.IsEmpty())
{
// Do nothing. Use velSource from constructor default value
// or as inherited from superclass.
}
else if(velStr == "$WALK")
{
velSource = VEL_WALK;
}
else if (velStr == "$RUN")
{
velSource = VEL_RUN;
}
else if(row.GetFloat("vel"))
{
velSource = VEL_USER;
vel = row.GetFloat("vel");
}
collisionPerception = row.GetString("collision");
outOfBoundsPerception = row.GetString("out_of_ounds");
inBoundsPerception = row.GetString("in_bounds");
fallingPerception = row.GetString("falling");
csRef<iDocumentSystem> xml = csPtr<iDocumentSystem>(new csTinyDocumentSystem);
csRef<iDocument> doc = xml->CreateDocument();
const char* error = doc->Parse(row.GetString("script"));
if(error)
{
Error3("NPCType script parsing error:%s in %s", error, name.GetData());
return false;
}
csRef<iDocumentNode> node = doc->GetRoot();
if(!node)
{
Error2("No XML root in npc type script of %s", name.GetData());
return false;
}
// Now read in behaviors and reactions
csRef<iDocumentNodeIterator> iter = node->GetNodes();
while(iter->HasNext())
{
csRef<iDocumentNode> node = iter->Next();
if(node->GetType() != CS_NODE_ELEMENT)
continue;
// This is a widget so read it's factory to create it.
if(strcmp(node->GetValue(), "behavior") == 0)
{
Behavior *b = new Behavior;
if(!b->Load(node))
{
Error3("Could not load behavior '%s'. Error in DB XML in node '%s'.",
b->GetName(),node->GetValue());
delete b;
return false;
}
behaviors.Add(b);
Debug3(LOG_STARTUP,0, "Added behavior '%s' to type %s.\n",b->GetName(),name.GetData() );
}
else if(strcmp( node->GetValue(), "react" ) == 0)
{
Reaction *r = new Reaction;
if(!r->Load(node,behaviors))
{
Error1("Could not load reaction. Error in DB XML");
delete r;
return false;
}
// check for duplicates and keeps the last one
for(size_t i=0; i<reactions.GetSize(); i++)
{
// Same event with same type
if(!strcmp(reactions[i]->GetEventType(),r->GetEventType())&&
(reactions[i]->type == r->type)&&
(reactions[i]->values == r->values))
{
// Check if there is a mach in affected
for(size_t k=0; k< r->affected.GetSize(); k++)
{
for(size_t j=0; j< reactions[i]->affected.GetSize(); j++)
{
if(!strcmp(r->affected[k]->GetName(),reactions[i]->affected[j]->GetName()))
{
// Should probably delete and clear out here
// to allow for overiding of event,affected pairs.
// Though now give error, until needed.
Error4("Reaction of type '%s' already connected to '%s' in '%s'",
r->GetEventType(),reactions[i]->affected[j]->GetName(), name.GetDataSafe());
return false;
// delete reactions[i];
//reactions.DeleteIndex(i);
//break;
}
}
}
}
}
reactions.Insert(0,r); // reactions get inserted at beginning so subclass ones take precedence over superclass.
}
else
{
Error1("Node under NPCType is not 'behavior' or 'react'. Error in DB XML");
return false;
}
}
return true; // success
}
