#include <libps.h>
#include "main.h"
#include "pad.h"
#include "game.h"
#include "menu.h"

static int curloc;
static int levelnum;
static int prevpad;

void initMenu(void) {
  curloc = 0;
  levelnum = 0;
  prevpad = 0xffffffff;
}

void resetMenu(void) {
  curloc = 0;
  prevpad = 0xffffffff;
}

int getLevel(void) {
  return levelnum;
}

int updateMenu(long padstate) {
  if (curloc < 2)
    if ((padstate & PADLdown)&&(!(prevpad & PADLdown)))
      curloc++;
  if (curloc > 0)
    if ((padstate & PADLup)&&(!(prevpad & PADLup)))
      curloc--;
  if ((curloc == 1)&&(levelnum < 10))
    if (((padstate & PADLright)&&(!(prevpad & PADLright)))||
        ((padstate & PADRright)&&(!(prevpad & PADRright)))||
        ((padstate & PADR1)&&(!(prevpad & PADR1)))||
        ((padstate & PADR2)&&(!(prevpad & PADR2))))
      levelnum++;
  if ((curloc == 1)&&(levelnum > 0))
    if (((padstate & PADLleft)&&(!(prevpad & PADLleft)))||
        ((padstate & PADRdown)&&(!(prevpad & PADRdown)))||
        ((padstate & PADL1)&&(!(prevpad & PADL1)))||
        ((padstate & PADL2)&&(!(prevpad & PADL2))))
      levelnum--;
  if (curloc == 2)
    if (((padstate & PADstart)&&(!(prevpad & PADstart)))||
        ((padstate & PADRdown)&&(!(prevpad & PADRdown)))||
        ((padstate & PADRright)&&(!(prevpad & PADRright))))
      return GAME_EXIT;
  if (curloc == 0)
    if (((padstate & PADstart)&&(!(prevpad & PADstart)))||
        ((padstate & PADRdown)&&(!(prevpad & PADRdown)))||
        ((padstate & PADRright)&&(!(prevpad & PADRright))))
      return GAME_START;
  prevpad = padstate;
  return GAME_MENU;
}

void drawMenu(GsOT* ot) {
  int i;
  GsBOXF box;
  for (i=0;i<10;i++)
    FntPrint("\n");
  for (i=0;i<((CHARH-16)/2);i++)
    FntPrint(" ");
  FntPrint("TETRIS ENDURANCE\n");
  for (i=0;i<10;i++)
    FntPrint("\n");
  for (i=0;i<((CHARH-10)/2);i++)
    FntPrint(" ");
  FntPrint("START\n\n");
  for (i=0;i<((CHARH-10)/2);i++)
    FntPrint(" ");
  FntPrint("LEVEL     %d\n\n",levelnum);
  for (i=0;i<((CHARH-10)/2);i++)
    FntPrint(" ");
  FntPrint("EXIT\n\n");

  box.attribute = 0;
  box.w = 130;
  box.h = 14;
  box.x = 100;
  box.y = 164+curloc*16;  //164 180 196
  box.r = 255;
  box.g = 0;
  box.b = 0;
  GsSortBoxFill(&box,ot,0);
}