kraken/kraken/KRBehavior.cpp

//
//  KRBehavior.cpp
//  Kraken Engine
//
//  Copyright 2021 Kearwood Gilbert. All rights reserved.
//
//  Redistribution and use in source and binary forms, with or without modification, are
//  permitted provided that the following conditions are met:
//
//  1. Redistributions of source code must retain the above copyright notice, this list of
//  conditions and the following disclaimer.
//
//  2. Redistributions in binary form must reproduce the above copyright notice, this list
//  of conditions and the following disclaimer in the documentation and/or other materials
//  provided with the distribution.
//
//  THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
//  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
//  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
//  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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//

#include "KRBehavior.h"
#include "KRNode.h"

KRBehaviorFactoryFunctionMap m_factoryFunctions;

KRBehavior::KRBehavior()
{
    __node = NULL;
}

KRBehavior::~KRBehavior()
{
    
}

void KRBehavior::init()
{
    // Note: Subclasses are not expected to call this method
}

KRNode *KRBehavior::getNode() const
{
    return __node;
}

void KRBehavior::__setNode(KRNode *node)
{
    __node = node;
}


KRBehavior *KRBehavior::LoadXML(KRNode *node, tinyxml2::XMLElement *e)
{
    std::map<std::string, std::string> attributes;
    for(const tinyxml2::XMLAttribute *attribute = e->FirstAttribute(); attribute != NULL; attribute = attribute->Next()) {
        attributes[attribute->Name()] = attribute->Value();
    }
    
    const char *szElementName = e->Attribute("type");
    if(szElementName == NULL) {
        return NULL;
    }
    KRBehaviorFactoryFunctionMap::const_iterator itr = m_factoryFunctions.find(szElementName);
    if(itr == m_factoryFunctions.end()) {
        return NULL;
    }
    return (*itr->second)(attributes);
}

void KRBehavior::RegisterFactoryCTOR(std::string behaviorName, KRBehaviorFactoryFunction fnFactory)
{
    m_factoryFunctions[behaviorName] = fnFactory;
}

void KRBehavior::UnregisterFactoryCTOR(std::string behaviorName)
{
    m_factoryFunctions.erase(behaviorName);
}