#include "Fantome.h"

int Fantome::m_multiKill = 0;

Fantome::Fantome(Niveau *terrain, Ogre *ogre, Menestrel *menestrel, Controle controle): Personnage(), m_controle(controle), m_ogre(ogre), m_menestrel(menestrel), m_tempsRestant(0), m_vivant(true)
{
    m_terrain = terrain;
    m_direction = Arret;
    m_nouvDir = Arret;

    m_skin = IMG_Load("Skins/Fantome.png");
    if(m_skin == 0)
        std::cout << "Erreur de chargement du skin Skins/Fantome.png" << std::endl;
}
Fantome::~Fantome()
{
    SDL_FreeSurface(m_skin);
}


void Fantome::deplacer()
{
    if(!m_vivant)
    {
        if(SDL_GetTicks()<m_tempsRestant)
            return;
        else
        {
            m_vivant = true;
            m_multiKill = 0;
        }
    }
    if(m_controle == local)
    {
        int posX = m_pos.x + (m_skin->w-LG_BLOC)/2;
        int posY = m_pos.y + (m_skin->h-LG_BLOC)/2;
        int FdirPossible = Arret;
        if(m_terrain->typeBloc(posX, posY-1, 1) != MUR && m_terrain->typeBloc(posX+LG_BLOC-1, posY-1, 1) != MUR)
               FdirPossible |= Haut;
        if(m_terrain->typeBloc(posX+LG_BLOC, posY, 1) != MUR && m_terrain->typeBloc(posX+LG_BLOC, posY+LG_BLOC-1, 1) != MUR)
               FdirPossible |= Droite;
        if(m_terrain->typeBloc(posX, posY+LG_BLOC, 1) != MUR && m_terrain->typeBloc(posX+LG_BLOC-1, posY+LG_BLOC, 1) != MUR)
               FdirPossible |= Bas;
        if(m_terrain->typeBloc(posX-1, posY, 1) != MUR && m_terrain->typeBloc(posX-1, posY+LG_BLOC-1, 1) != MUR)
               FdirPossible |= Gauche;
        int dirPerso = Arret;
        if(m_menestrel->getPosition().y < getPosition().y)
            dirPerso |= Haut;
        if(m_menestrel->getPosition().x > getPosition().x)
            dirPerso |= Droite;
        if(m_menestrel->getPosition().y > getPosition().y)
            dirPerso |= Bas;
        if(m_menestrel->getPosition().x < getPosition().x)
            dirPerso |= Gauche;
        std::vector<Direction> nouvDir;
        for(int i = 0;i<4;i++)
        {
            if((m_nouvDir = (Direction)(FdirPossible & (int)pow(2, i))))
                if(((m_direction<<2) != m_nouvDir) && ((m_direction>>2) != m_nouvDir))
                    nouvDir.push_back((Direction)pow(2, i));
        }
        if(nouvDir.size()>0)
        {
            if(nouvDir.size()>1)
            {
                int nouvDirTaille = nouvDir.size();
                for(int i = 0;i<nouvDirTaille;i++)
                    if(nouvDir[i] & dirPerso)
                        for(int proba = 1;proba<10;proba++)
                            nouvDir.push_back(nouvDir[i]);
                m_direction = nouvDir[rand()%nouvDir.size()];
            }
            else
                m_direction = nouvDir[0];
            m_pos += m_direction;
        }
        else
            m_direction = m_direction==Gauche?Droite:m_direction==Droite?Gauche:m_direction==Haut?Bas:Haut;
    }
}

void Fantome::positionner(SDL_Rect position, bool coordonnee)
{
    if(coordonnee)
    {
        m_pos.x = position.x;
        m_pos.y = position.y;
    }
    else
    {
        m_pos.x = position.x*LG_BLOC - (m_skin->w-LG_BLOC)/2;
        m_pos.y = position.y*LG_BLOC - (m_skin->h-LG_BLOC)/2;
    }
    int posX = m_pos.x + (m_skin->w-LG_BLOC)/2;
    int posY = m_pos.y + (m_skin->h-LG_BLOC)/2;
    std::vector<Direction> dirPossible;
    if(m_terrain->typeBloc(posX-1, posY, 1) != MUR && m_terrain->typeBloc(posX-1, posY+LG_BLOC-1, 1) != MUR)
           dirPossible.push_back(Gauche);
    if(m_terrain->typeBloc(posX+LG_BLOC, posY, 1) != MUR && m_terrain->typeBloc(posX+LG_BLOC, posY+LG_BLOC-1, 1) != MUR)
           dirPossible.push_back(Droite);
    if(m_terrain->typeBloc(posX, posY-1, 1) != MUR && m_terrain->typeBloc(posX+LG_BLOC-1, posY-1, 1) != MUR)
           dirPossible.push_back(Haut);
    if(m_terrain->typeBloc(posX, posY+LG_BLOC, 1) != MUR && m_terrain->typeBloc(posX+LG_BLOC-1, posY+LG_BLOC, 1) != MUR)
           dirPossible.push_back(Bas);
    if(dirPossible.size()>0)
        m_direction = dirPossible[rand()%dirPossible.size()];
    m_nouvDir = m_direction;
    m_tempsRestant = 0;
}
void Fantome::afficher(SDL_Surface *ecran)
{
    if(m_vivant)
        SDL_BlitSurface(m_skin, 0, ecran, &m_pos);
}

void Fantome::tuer()
{
    m_multiKill++;
    m_vivant = false;
    m_tempsRestant = SDL_GetTicks()+TEMPS_MORT;
}

bool Fantome::vivant()
{
    return m_vivant;
}
bool Fantome::getMultiKill(int nbFantomes)
{
    if(nbFantomes == m_multiKill)
    {
        m_multiKill = 0;
        return true;
    }
    else
        return false;
}