<?php 

/**

 * Positionnement des planetes

 */

 function position_all_planete_taille()

 {

     /**

      * on purge un éventuel existant.

      */

     $contenu="DELETE FROM `tbl_planete_tmp`";

     $res = $this->db->query($contenu);

     $contenu="DELETE FROM `tbl_planete_tmp2`";

     $res = $this->db->query($contenu);     

     

     /**

      * on va remplir une table avec les planetes non candidates

      */

      $contenu="INSERT INTO tbl_planete_tmp2 (x, y)  SELECT DISTINCT `x` , `y` FROM `tbl_planete_ref` , `tbl_planete` WHERE `tbl_planete`.`galaxie` = ".$this->galaxie." AND ( `tbl_planete_ref`.`x` - `tbl_planete`.`coordonnee_x` ) * ( `tbl_planete_ref`.`x` - `tbl_planete`.`coordonnee_x` ) + ( `tbl_planete_ref`.`y` - `tbl_planete`.`coordonnee_y` ) * ( `tbl_planete_ref`.`y` - `tbl_planete`.`coordonnee_y` ) <= ( `tbl_planete`.`taille` + ".$this->taille." ) * ( `tbl_planete`.`taille` + ".$this->taille." ) ";

     echo "<br>requete de remplissage de la table TMP<br>".$contenu."<br>";

     $res = $this->db->query($contenu);

     $this->nb_requete=$this->nb_requete+1;

     

     /**

      * on va en déduire les planètes candidates

      */

     $contenu="INSERT INTO `tbl_planete_tmp`  (coordonnee_x, coordonnee_y)  SELECT x, y FROM `tbl_planete_ref` WHERE NOT EXISTS ( SELECT x, y FROM `tbl_planete_tmp2` WHERE tbl_planete_ref.x = tbl_planete_tmp2.x AND tbl_planete_ref.y = tbl_planete_tmp2.y ) AND tbl_planete_ref.x > ".$this->taille." AND tbl_planete_ref.x < (99 - ".$this->taille.") AND tbl_planete_ref.y > ".$this->taille." AND tbl_planete_ref.y < (99 - ".$this->taille.")  ";

     echo "<br>requete de remplissage de la table TMP<br>".$contenu."<br>";

     $res = $this->db->query($contenu);

     $this->nb_requete=$this->nb_requete+1;

     

     /**

      * on va prendre la première valeur de la table de manière bouclée et continuer tant qu'il reste des valeurs en table'

      */

      $contenu="SELECT coordonnee_x, coordonnee_y FROM tbl_planete_tmp LIMIT 0 , 1";

      echo "requete d'extraction d'une valeur de la table TMP de la table TMP<br>".$contenu."<br>";

      $extraction = $this->db->query($contenu);

      $this->nb_requete=$this->nb_requete+1;

      

      echo "la requete a retourné ".$this->db->sql_num_res[$extraction]." resultats<br>";

      while ($this->db->sql_num_res[$extraction] != "0")

      {

          $table = $this->db->getObject($extraction);

          $this->coordonnee_x=$table->coordonnee_x;

          $this->coordonnee_y=$table->coordonnee_y;

          $this->define_type_planete();

          $this->define_peuplade_planete();

          $this->insert_planete();

          $contenu="DELETE FROM `tbl_planete_tmp` WHERE (`coordonnee_x` - ".$table->coordonnee_x.") * ( `coordonnee_x` - ".$table->coordonnee_x." ) + ( `coordonnee_y` - ".$table->coordonnee_y." ) * ( `coordonnee_y` - ".$table->coordonnee_y." ) <= ( 4* ".$this->taille." * ".$this->taille." ) ";

          echo "requete de purge des valeurs en doublon de la table TMP<br>".$contenu."<br>";

          $res = $this->db->query($contenu);

          $this->nb_requete=$this->nb_requete+1;

          $contenu="SELECT coordonnee_x, coordonnee_y FROM tbl_planete_tmp LIMIT 0 , 1";

          echo "requete d'extraction d'une valeur de la table TMP de la table TMP<br>".$contenu."<br>";

          $extraction = $this->db->query($contenu);

          echo "la requete a retourné ".$this->db->sql_num_res[$extraction]." resultats<br>";

          $this->nb_requete=$this->nb_requete+1;

      }

      

 }