TankAIStore.cpp

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////////////////////////////////////////////////////////////////////////////////
//    Scorched3D (c) 2000-2009
//
//    This file is part of Scorched3D.
//
//    Scorched3D 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 of the License, or
//    (at your option) any later version.
//
//    Scorched3D is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with Scorched3D; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
////////////////////////////////////////////////////////////////////////////////

#include <XML/XMLFile.h>
#include <common/Defines.h>
#include <tankai/TankAIStore.h>
#include <tankai/TankAICurrent.h>
#include <tankai/TankAIShallow.h>
#include <tankai/TankAIRandom.h>
#include <stdlib.h>

TankAIStore::TankAIStore()
{

}

TankAIStore::~TankAIStore()
{

}

void TankAIStore::clearAIs()
{
        while (!ais_.empty())
        {
                TankAI *ai = ais_.front();
                ais_.pop_front();
                delete ai;
        }
}

bool TankAIStore::loadAIs(bool shallow)
{
        // Load key definition file
        XMLFile file;
        if (!file.readFile(S3D::getDataFile("data/tankais.xml")))
        {
                S3D::dialogMessage("TankAIStore", 
                                          S3D::formatStringBuffer("Failed to parse \"%s\"\n%s", 
                                          "data/tankais.xml",
                                          file.getParserError()));
                return false;
        }

        // Check file exists
        if (!file.getRootNode())
        {
                S3D::dialogMessage("TankAIStore",
                                          S3D::formatStringBuffer("Failed to find tank ai definition file \"%s\"",
                                          "data/tankais.xml"));
                return false;           
        }

        // Itterate all of the keys in the file
    std::list<XMLNode *>::iterator childrenItor;
        std::list<XMLNode *> &children = file.getRootNode()->getChildren();
    for (childrenItor = children.begin();
                 childrenItor != children.end();
                 childrenItor++)
    {
                // Parse the ai entry
        XMLNode *currentNode = (*childrenItor);
                if (strcmp(currentNode->getName(), "ai"))
                {
                        S3D::dialogMessage("TankAIStore",
                                                  "Failed to find ai node");
                        return false;
                }

                TankAI *computer = 0;
                if (shallow) computer = new TankAIShallow;
                else computer = new TankAICurrent;
                if (!computer->parseConfig(currentNode))
                {
                        return false;
                }

                addAI(computer);
        }

        // Add the random player
        {
                TankAIRandom *tankAI = new TankAIRandom;
                bool foundRandom = false;
                std::list<TankAI *>::iterator itor;
                for (itor = ais_.begin();
                        itor != ais_.end();
                        itor++)
                {
                        TankAI *ai = (*itor);
                        if (ai->availableForRandom())
                        {
                                foundRandom = true;
                                tankAI->addTankAI(ai);
                        }
                }
                if (!foundRandom)
                {
                        S3D::dialogMessage("TankAIStore",
                                                  "No tank ais are marked availableforrandom");
                        return false;
                }

                addAI(tankAI);
        }

        return true;
}

TankAI *TankAIStore::getAIByName(const char *name)
{
        // Computers
        std::list<TankAI *>::iterator itor;
        for (itor = ais_.begin();
                itor != ais_.end();
                itor++)
        {
                if (!strcmp((*itor)->getName(), name)) return (*itor);
        }

        return 0;
}

void TankAIStore::addAI(TankAI *ai)
{
        ais_.push_back(ai);
}

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