#include <stdio.h>
#include "Graphique/libgraph.h"
#include <stdlib.h>
#include "liste.h"
#define  TAILLE_X     700
#define  TAILLE_DESC  40
#define  LARGEUR_MONS 30
#define  HAUTEUR_MONS 30
#define  LARGEUR_VAIS 35
#define  SPEED        1
#define  MISS_SPEED   5
#define  LARGEUR_MISS 5
#define  HAUTEUR_MISS 10




l_entite* create_l_entite(int x,int y,int speed,int image)
{ 
  l_entite* monster_1 =(l_entite*)malloc(sizeof(l_entite));
  (monster_1->ent).image=image;
  (monster_1->ent).x    =x;
  (monster_1->ent).y    =y;
  (monster_1->ent).speed=speed;
  monster_1->next       = NULL;
  return monster_1;
}

entite create_entite(entite ent,int x,int y, int speed, int image)
{
  (ent).image=image;
  (ent).x    =x;
  (ent).y    =y;
  (ent).speed=speed;
  return ent;
}


  
void add_entite (l_entite** head,int x,int y,int speed,int image)
{
 
  l_entite* new_monster = create_l_entite( x, y,speed,image);
  if (head==NULL)
     {
     *head=new_monster;
    }
  else
    {
     l_entite* current =*head;
      while (current->next != NULL)
	{ current=current->next;
	}
      current->next=new_monster;
    }
}


void display_l_entite(l_entite* mons)
{
 l_entite* ptr= mons;
  while(ptr != NULL)
    {
      afficherLutin((ptr->ent).image,(ptr->ent).x,(ptr->ent).y);
      ptr=ptr->next;
    }
}

void display_entite(entite ent)
 {
    afficherLutin((ent).image,(ent).x,(ent).y);
 }



void moveMonster(l_entite* monstre)
{
  int max =  TAILLE_X - LARGEUR_MONS;
  l_entite* currentMonster = monstre;
  while (currentMonster != NULL)
    {
      (currentMonster->ent).x += (currentMonster->ent).speed;

      if ( (currentMonster->ent).x < 0 || (currentMonster->ent).x > max)
	{
	  (currentMonster->ent).speed = -(currentMonster->ent).speed;
	  (currentMonster->ent).y += TAILLE_DESC ;
	}
      
      currentMonster = currentMonster->next;
    }
}


void addMissile(l_entite** head, entite vaisseau,int image)
{
  // int       MI            =chargerLutin("graphique/invader_missile.bmp", COULEUR_NOIR);
  l_entite* newMissile    = malloc(sizeof(l_entite));
  (newMissile->ent).x     = vaisseau.x + (LARGEUR_VAIS/2);
  (newMissile->ent).y     = (vaisseau).y - 5;
  (newMissile->ent).speed = SPEED;
  (newMissile->ent).image = image;
  newMissile->next        = *head;
  *head                   = newMissile;
}
  



 void moveMissile (l_entite* msl)
{
   l_entite* currentMissile = msl;
  while(currentMissile != NULL)
    {
      (currentMissile->ent).y = (currentMissile->ent).y - MISS_SPEED ;
      currentMissile = currentMissile->next;
    }
}
    

void remove_entite (l_entite** head, l_entite* to_delete)
{
     
      l_entite* courant = *head;
      while (courant != NULL)
	{
	  if ((courant->ent).x == (to_delete->ent).x && (courant->ent).y == (to_delete->ent).y)
	    {
	      free(to_delete);
	    }
	  courant = courant->next;
	}
}


void detecterCollisions(l_entite* l_missile, l_entite* l_monstre)
{
    l_entite* missile_courant = l_missile;
    l_entite* monstre_courant = l_monstre;

    while (missile_courant != NULL)
    {
        while (monstre_courant != NULL)
        {
	  if ( (monstre_courant->ent).x <= (missile_courant->ent).x && (missile_courant->ent).x <= (monstre_courant->ent).x + LARGEUR_MONS &&  (missile_courant->ent).y + HAUTEUR_MISS <= (monstre_courant->ent).y + HAUTEUR_MONS )
            {
	       int B=lutinTexte("boom", COULEUR_BLEU);
	        afficherLutin(B,300,400);
	      remove_entite(&l_missile,missile_courant);
	      remove_entite(&l_monstre,monstre_courant);
	       

	        (missile_courant->ent).image = 0;
	       (monstre_courant->ent).image = 0;
            }
            monstre_courant = monstre_courant->next;
        }
        missile_courant = missile_courant->next;
    }
}