source: orxonox.OLD/branches/blink/src/ai/swarm_module.cc @ 10637

/*
   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: Thomas Fahrni
   co-programmer:
*/
#define DEBUG_SPECIAL_MODULE DEBUG_MODULE_AI
#include "ai_swarm.h"
#include "ai_module.h"
#include "movement_module.h"
#include "swarm_module.h"
#include "debug.h"
#include <stdio.h>
#include "aabb.h"



void SwarmModule::addAI(WorldEntity* npc, float maxSpeed, float attackDistance)
{
        std::pair< std::map<WorldEntity*,AIModule*>::iterator , bool > p;
        AIModule* newAIModule=new MovementModule(npc);
        newAIModule->setAttackDistance(attackDistance);
        newAIModule->setMaxSpeed(maxSpeed);
        this->attackDistance=attackDistance;
        this->maxSpeed=maxSpeed;
        p=members.insert(std::make_pair(npc,newAIModule));
        if(!p.second)delete newAIModule;

        this->initialize();
}

void SwarmModule::removeAI(WorldEntity* npc)
{
        std::map<WorldEntity*,AIModule*>::iterator it = members.find(npc);
        if(it==members.end())return;            //npc not found
        delete it->second;                                      //delete AIModule
        members.erase(it);                                      //remove AIModule from members

        this->initialize();
}

Vector SwarmModule::getSwarmPosition()
{
        Vector center=Vector(0,0,0);
        std::map<WorldEntity*,AIModule*>::iterator it;
        for (it= members.begin(); it!= members.end(); it++ )
                center=center+it->second->getPosition();

        return center/members.size();
}

float SwarmModule::getRadius(WorldEntity* object)
{
        AABB* aabb = object->getModelAABB();
        if( aabb == NULL)return -1;

        float a = aabb->halfLength[0];
        float b = aabb->halfLength[1];
        float c = aabb->halfLength[2];

        if(a>b){
                return (c>a)?c:a;
        }else{
                return (c>b)?c:b;
        }
}

void SwarmModule::getAttributesFrom(SwarmModule* other)
{
        this->members=other->getMembers();
        this->speed=other->getSpeed();
        this->view=other->getView();
        this->enemys=other->getEnemyList();
        this->position=other->getPosition();
        this->maxSpeed=other->getMaxSpeed();
        this->attackDistance=other->getAttackDistance();

        this->initialize();
}

void SwarmModule::changeAIModule(std::map<WorldEntity*,AIModule*>::iterator it,AIModule* newAI)
{
                AIModule* oldAI = it->second;
                newAI->getAttributesFrom(oldAI);
                it->second=newAI;
                delete oldAI;
}