.. _program_listing_file_PrismEngine_src_pgcLayersObjsTemplate.h:

Program Listing for File pgcLayersObjsTemplate.h
================================================

|exhale_lsh| :ref:`Return to documentation for file <file_PrismEngine_src_pgcLayersObjsTemplate.h>` (``PrismEngine/src/pgcLayersObjsTemplate.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #pragma once
   #include "utils.h"
   #include "layersMacroses.h"
   
   
   DECLARE_PGC_LAYER_INSTANCE(L1)
   
   template<typename Derived>
   class L1_Object {
   public:
       L1_Object() : context(nullptr), settings(nullptr) {}
       void init(PGC::utils::Context* context, PGC::utils::Settings* settings) {
           this->context = context;
           this->settings = settings;
           derived().createImpl();
       };
   
       void cleanup() {
           if (isInitialized()) {
               derived().cleanupImpl();
               context = nullptr;
               settings = nullptr;
           }
       }
   
       virtual ~L1_Object() {
           cleanup();
       }
   
       PGC::utils::Context* getContext() const { return context; }
       PGC::utils::Settings* getSettings() const { return settings; }
       bool isInitialized() const { return context != nullptr && settings != nullptr; }
   protected:
       PGC::utils::Context* context;
       PGC::utils::Settings* settings;
   
   private:
       Derived& derived() {
           return *static_cast<Derived*>(this);
       }
   
       const Derived& derived() const {
           return *static_cast<const Derived*>(this);
       }
   };
   
   END_NAMESPACE_DECLARATION
   
   DECLARE_PGC_LAYER_INSTANCE(L2)
   
   template<typename Derived>
   class L2_Object {
   public:
       L2_Object(PGC::utils::Context* context, PGC::utils::Settings* settings) : context(context), settings(settings) { createImpl(); }
   
       void cleanup() {
           if (isInitialized()) {
               derived().cleanupImpl();
               context = nullptr;
               settings = nullptr;
           }
       }
   
       void createImpl() {};
       void cleanupImpl() {};
   
       virtual ~L2_Object() {
           cleanup();
       }
   
       PGC::utils::Context* getContext() const { return context; }
       PGC::utils::Settings* getSettings() const { return settings; }
       bool isInitialized() const { return context != nullptr && settings != nullptr; }
   protected:
       PGC::utils::Context* context;
       PGC::utils::Settings* settings;
   
   private:
       Derived& derived() {
           return *static_cast<Derived*>(this);
       }
   
       const Derived& derived() const {
           return *static_cast<const Derived*>(this);
       }
   };
   
   END_NAMESPACE_DECLARATION