#include <graph.h>
#include "../fichier.h/serpent.h"

void Update_Serpent(int pos_x[], int pos_y[], int segment, int old_x[], int old_y[], int* direction){
    int i = 0;
    for (i=1 ; i<segment ; i++){
        pos_x[i]=old_x[i-1];
        pos_y[i]=old_y[i-1];
    }
    
    if (*direction == 1){
        pos_y[0]=old_y[0]-20;
    }
    if (*direction == 2) {
        pos_y[0]=old_y[0]+20;
    }
    if (*direction == 3) {
        pos_x[0]=old_x[0]-20;
    }
    if (*direction == 4) {
        pos_x[0]=old_x[0]+20;
   }
    for (i=0 ; i<segment ; i++){
        ChargerImage("../img/serpent2.png", pos_x[i], pos_y[i],0,0, 20,20);
    }
    for (i=0 ; i<segment ; i++){
        ChoisirCouleurDessin(CouleurParComposante(218,209,77));
        RemplirRectangle(pos_x[segment-1], pos_y[segment-1], 20,20);

        old_x[i]=pos_x[i];
        old_y[i]=pos_y[i];
    } 


}
void Collision_Serpent(int pos_x[], int pos_y[], int segment, int murx[], int mury[], int *go_on){
    int i;
    /*Serpent contre coté*/
    if (pos_x[0] >1160 || pos_x[0]<=0){
            *go_on=0;
    }
    /*Serpent contre coté*/
    if (pos_y[0]<20 || pos_y[0] >=700){
        *go_on=0;
    }
    /*Serpent contre Serpent*/
    for (i = 1; i < segment; i++) {
        if (pos_x[0] == pos_x[i] && pos_y[0] == pos_y[i]){
            *go_on = 0;
        }
    }
    /*Serpent contre mur*/
    for(i=0; i<30;i++){
        if(pos_x[0] == murx[i] && pos_y[0] == mury[i]){
            *go_on=0;
        }
    }
}

void Controle(int *direction, int last_direction, int *go_on, int *pause) {
    int t;
    while(ToucheEnAttente()) {
        t = Touche();
        switch(t) {
            case XK_Left:
                if (last_direction != 4) {
                    *direction = 3;
                }
                return;
            case XK_Right:
                if (last_direction != 3) {
                    *direction = 4;
                }
                return;
            case XK_Up:
                if (last_direction != 2) {
                    *direction = 1;
                }
                return;
            case XK_Down:
                if (last_direction != 1) {
                    *direction = 2;
                }
                return;
            case XK_Escape:
                *direction = 0;
                *go_on = 0;
                return;
            case XK_space:
                if (*pause == 0 ){
                    *pause == 1;
                }else{
                    *pause = 0;
                    ChargerImage("../img/PAUSE.png", 400,200,0,0,350,300);
                }
        }
    }
}
void Serpent(int pos_x[], int pos_y[], int old_x[], int old_y[], int *segment, int murx[], int mury[], int *go_on, int *direction) {
    int serpent;
     int i = 0;
    pos_x[0] = 600;
    pos_y[0] = 400;
    for (i = 0; i < *segment; i++){
      pos_x[i]= pos_x[0];
      pos_y[i]= pos_y[0];
      old_x[i]=pos_x[i];
      old_y[i]=pos_y[i];
    }
}