source: orxonox.OLD/branches/new_class_id/src/lib/util/loading/resource_manager.cc @ 9848

/*
   orxonox - the future of 3D-vertical-scrollers

   Copyright (C) 2004 orx

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

   ### File Specific:
   main-programmer: Benjamin Grauer
   co-programmer: Patrick Boenzli
*/

#define DEBUG_SPECIAL_MODULE DEBUG_MODULE_LOAD

#include "resource_manager.h"
#include "debug.h"

#include <algorithm>
#include <cassert>


namespace Resources
{
  ObjectListDefinition(ResourceManager);
  //! Singleton Reference to the ResourceManager
  ResourceManager* ResourceManager::_singletonRef = NULL;


  /**
   * @brief standard constructor
  */
  ResourceManager::ResourceManager ()
  {
    this->registerObject(this, ResourceManager::_objectList);
    this->setName("ResourceManager");
    this->_mainGlobalPath = Directory("./");
  }


  /**
   * @brief standard destructor
  */
  ResourceManager::~ResourceManager ()
  {
    // deleting the Resources-List
    //this->unloadAllByPriority(RP_GAME);

    //   if (!this->resourceList.empty())
    //     PRINTF(1)("Not removed all Resources, since there are still %d resources registered\n", this->resourceList.size());

    ResourceManager::_singletonRef = NULL;
  }




  void ResourceManager::registerType(Resources::Type* type)
  {
    this->_resourceTypes.push_back(type);
    PRINTF(5)("ResourceType '%s' added\n", type->storedClassName().c_str());
  }

  void ResourceManager::unregisterType(Resources::Type* type)
  {
    std::vector<Resources::Type*>::iterator it = std::find (this->_resourceTypes.begin(), this->_resourceTypes.end(), type);
    if (it != this->_resourceTypes.end())
    {
      this->_resourceTypes.erase(it);
      PRINTF(5)("ResourceType '%s' removed\n", type->storedClassName().c_str());
    }
  }


  void ResourceManager::setMainGlobalPath(const Directory& directory)
  {
    this->_mainGlobalPath = directory;
    this->_mainGlobalPath.open();
  }

  void ResourceManager::addGlobalPath(const Directory& directory)
  {
    std::vector<Directory>::const_iterator it = std::find(this->_globalPaths.begin(), this->_globalPaths.end(), directory);
    if (it == this->_globalPaths.end())
      this->_globalPaths.push_back(directory);
  }


  bool ResourceManager::addResourcePath(const std::string& resourceName, const std::string& pathName)
  {
    std::vector<Resources::Type*>::iterator it;
    for (it = this->_resourceTypes.begin(); it != this->_resourceTypes.end(); ++it)
      if (*(*it) == resourceName)
        return (*it)->addResourcePath(pathName);
    PRINTF(2)("ResourcePath %s could not be added to the ResourceType %s\n", pathName.c_str(), resourceName.c_str());
    return false;
  }

  bool ResourceManager::addResourceSubPath(const std::string& resourceName, const std::string& pathName)
  {
    std::vector<Resources::Type*>::iterator it;
    for (it = this->_resourceTypes.begin(); it != this->_resourceTypes.end(); ++it)
      if (*(*it) == resourceName)
        return (*it)->addResourceSubPath(pathName);
    PRINTF(2)("ResourceSubPath %s could not be added to the ResourceType %s\n", pathName.c_str(), resourceName.c_str());
    return false;
  }



  bool ResourceManager::checkFileInMainPath(const File& fileInside)
  {
    return (this->_mainGlobalPath + fileInside).exists();
  }

  std::string ResourceManager::prependAbsoluteMainPath(const std::string& fileName)
  {
    return (this->_mainGlobalPath + File(fileName)).name();
  }


  unsigned int ResourceManager::addKeepLevelName(const std::string& keepLevelName)
  {
    this->_keepLevelNames.push_back(keepLevelName);
    return _keepLevelNames.size()-1;
  }

  unsigned int ResourceManager::getKeepLevelID(const std::string& keepLevelName) const
  {
    for (unsigned int i = 0; i < this->_keepLevelNames.size(); ++i)
      if (this->_keepLevelNames[i] == keepLevelName)
        return i;

    PRINTF(2)("KeepLevel '%s' not found. Using 0 instead\n", keepLevelName.c_str());
    return 0;
  }

  const std::string& ResourceManager::getKeepLevelName(unsigned int keepLevelID) const
  {
    assert(keepLevelID < this->_keepLevelNames.size());
    return this->_keepLevelNames[keepLevelID];
  }

  void ResourceManager::loadFromLoadString(const std::string& resourceTypeName, const std::string& loadString)
  {
    std::vector<Resources::Type*>::const_iterator it;
    for (it = this->_resourceTypes.begin(); it != this->_resourceTypes.end(); ++it)
    {
      if (*(*it) == resourceTypeName)
      {
        (*it)->createFromString(loadString);
        /// TODO check if the resource was allocated!!
        return ;
      }
    }
    return ;
  }


  void ResourceManager::unloadAllBelowKeepLevel(const Resources::KeepLevel& keepLevel)
  {
    std::vector<Resources::Type*>::const_iterator it;
    for (it = this->_resourceTypes.begin(); it != this->_resourceTypes.end(); ++it)
    {
      (*it)->unloadAllBelowKeepLevel(keepLevel);
    }
  }


  /**
   * @brief outputs debug information about the ResourceManager
   */
  void ResourceManager::debug() const
  {
    PRINT(0)("=RM===================================\n");
    PRINT(0)("= RESOURCE-MANAGER DEBUG INFORMATION =\n");
    PRINT(0)("======================================\n");
    PRINT(0)(" MainGlobal search path is %s\n", this->_mainGlobalPath.name().c_str());
    if(!this->_globalPaths.empty())
    {
      PRINT(0)(" Additional Global search Paths are: ");
      for (unsigned int i = 0; i < this->_globalPaths.size(); ++i)
        PRINT(0)("'%s' ", this->_globalPaths[i].name().c_str());
      PRINT(0)("\n");
    }
    PRINT(0)(" Listing %d Types: \n", this->_resourceTypes.size());
    std::vector<Resources::Type*>::const_iterator it;
    for (it = this->_resourceTypes.begin(); it != this->_resourceTypes.end(); ++it)
    {
      (*it)->debug();
      if (it != --this->_resourceTypes.end())
        PRINT(0)(" ------------------------------------\n ");
    }

    PRINT(0)("KeepLevels are: ");
    for (unsigned int i = 0; i < this->_keepLevelNames.size(); ++i)
      PRINT(0)("%d:'%s'  ", i, this->_keepLevelNames[i].c_str());
    PRINT(0)("\n");
    PRINT(0)("==================================RM==\n");
  }
}