//MENU iSword
#include "U8glib.h"

//variaveis globais
int opcao=0;
int x,y;

//
U8GLIB_SSD1306_128X64 u8g(U8G_I2C_OPT_NO_ACK);
//linhas na tela
void draw1()
{
u8g.drawFrame(1,1,125,10);
}
void draw2()
{
u8g.drawFrame(1,12,125,50);
}
//funções menu

void drawisword()
{
  u8g.setFont(u8g_font_6x10);
  u8g.drawStr(45,10,"iSWORD");
}
void drawversao(){
  u8g.setFont(u8g_font_u8glib_4);
 // u8g.setHiColorByRGB(255, 255, 0);   //Não esta funcionando, a plataforma só exibe branco
  u8g.drawStr(3,10,"v1.0");
  u8g.drawStr(113,10,"000");
}
void drawinicio(){
  u8g.setFont(u8g_font_4x6);
  u8g.drawStr(50,22,"Novo Jogo");
}
void drawranking(){
  u8g.setFont(u8g_font_4x6);
  u8g.drawStr(50,32,"Ranking");
}
void drawby(){
  u8g.setFont(u8g_font_4x6);
  u8g.drawStr(50,42,"Creditos");
}
void drawexit(){
  u8g.setFont(u8g_font_4x6);
  u8g.drawStr(50,52,"Sair");
}
//Funções select
void drawselect1(){
  y=18;
  u8g.drawBox(43,y,3,3);
}
void drawselect2(){
  y=28;
  u8g.drawBox(43,y,3,3);
}
void drawselect3(){
  y=38;
  u8g.drawBox(43,y,3,3);
}
void drawselect4(){
  y=48;
  u8g.drawBox(43,y,3,3);
}
void setup() {

  pinMode(8, INPUT_PULLUP);  //botões usados para mudar as funçoes no menu
  pinMode(9, INPUT_PULLUP);

  Serial.begin(9600);

  if (u8g.getMode() == U8G_MODE_R3G3B2){
  u8g.setColorIndex(255);
  }
  else if (u8g.getMode() == U8G_MODE_GRAY2BIT){
  u8g.setColorIndex(3);
  }
  else if (u8g.getMode() == U8G_MODE_BW){
  u8g.setColorIndex(1);
  }
  else if (u8g.getMode() == U8G_MODE_HICOLOR){
  u8g.setHiColorByRGB(255,255,255);
  }
}

void loop(){

  u8g.firstPage();
  
  do
  {
    if(digitalRead(8)==LOW){
      opcao++;
      delay(400);
    }
      switch (opcao){ 
        case 0:
          drawselect1();         
          break;
        case 1:
          drawselect2();        
          break;
        case 2:
          drawselect3();        
          break;
        case 3:
          drawselect4();
          break;
        default:
          opcao=0;
          break;
    }
  
    draw1();
    draw2();
    drawisword();
    drawversao();
    drawinicio();
    drawranking();
    drawby();
    drawexit();

  } while(u8g.nextPage());
}