/*---------------------------------------------------------------------*
        Copyright (C) 1998 Nintendo.
        
        $RCSfile: dd_rtc.c,v $
        $Revision: 1.1.1.1 $
        $Date: 2002/05/02 03:27:33 $
 *---------------------------------------------------------------------*/

/*
   DD イニシャライズシーケンスで RTCエラーが発生したときの
   時刻設定画面です。
   RTCを使用しないゲームでは dd.c コンパイル時 -DNO_USE_RTC オプションを 
   使用することでこのモジュールを省略できます。
   このサンプルでは RTC を使用していませんが、DDエラー処理シーケンスの
   サンプルという意味合いも込めて一応このエラーへの対応を用意しました。
 */

#include "hmenu.h"
#include "herr.h"

/* declarerations */

#define ITEM_H        16 
#define TIME_NUM      6
#define LABEL_NUM     15
#define BTILE_NUM     7

static s32 _selected  = 0;
static TStringBar  _time[TIME_NUM];
static TStringBar  _label[LABEL_NUM];
static TBackTile   _btile[BTILE_NUM];

static LEODiskTime _rtc;
static s32 _noreadmode=1, _editmode = 0;

static s32 BTILE_WIDTH_1=100;


static TMessage4dd _ddmsg = {0};

/* functions */

static void _print(void);
static s32  _init(void); 
static s32	_keyProc(void);
static s32  _get( s32 *stepp );
static s32  _set( s32 *stepp );

/* implementation */

static void
_print(void)
{
  s32 i;

  if( _editmode )
	{
	  FORI(TIME_NUM) _label[i+1].color = RGBA_GREY;
	  FORI(TIME_NUM) _time[i].color	  = RGBA_GREY; 
	  _label[_selected+1].color = RGBA_WHITE;
	  _time[_selected].color = RGBA_WHITE;
	}
  else
	{
	  FORI(TIME_NUM) _label[i+1].color = RGBA_WHITE;
	  FORI(TIME_NUM) _time[i].color	  = RGBA_WHITE; 
	}

  sprintf( _time[0].str ,"%02x%02x" ,_rtc.yearhi , _rtc.yearlo );
  FORI(5) sprintf( _time[i+1].str ,"%02x" ,*(((u8 *)&_rtc) + i + 3) );

  _btile[2].x = _time[ _selected ].x + BD_X;
  _btile[2].y = _time[ _selected ].y + BD_Y;
  _btile[2].w = sbar_getWidth(&_time[ _selected ]) + 10;
  
  FORI(BTILE_NUM)   btile_show(&_btile[i]);
  FORI(TIME_NUM) 	sbar_show(&_time[i]);
  FORI(LABEL_NUM)   sbar_show(&_label[i]);
}

static s32 _cmd=0;
#define MODE_IDLE  	 0
#define MODE_GETRTC	 1
#define MODE_SETRTC  2

static s32
_keyProc(void)
{
  s32 ret,dire;
  static s32 _first = 1,i,j;
  static u8  _keep;
  s32 min[]={00,1,1,0,0,0};
  s32 max[]={99,12,31,23,59,59};
  s32 daymax[]={31,28,31,30,31,30,31,31,30,31,30,31};

  if(_first)
	{
	  --_first;
	  _init();
	  _cmd = MODE_GETRTC;
	}

  ret = 0;

#define TARGET_RTCVAL *(((u8 *)&_rtc) + _selected + 2)
#define BCD2DEC(val)  (( (val>>4) & 0xf ) * 10 + ( val & 0xf ))
#define DEC2BCD(val)  ( u8 )(( val / 10 ) * 16 + ( val % 10 ))

  if( _editmode )
	{
	  switch(_trig)
		{
		case D_JPAD:
		case L_JPAD:  dire = -1;
					  goto edit;
		case U_JPAD:
		case R_JPAD:  dire = 1;
					  goto edit;
		case A_BUTTON:
					  _editmode = 0;
					  break;
		case B_BUTTON:
					  TARGET_RTCVAL = _keep;
					  _editmode = 0;
					  break;
		default:
					  break;			  
		edit:	
					  ret = (s32)(TARGET_RTCVAL); 
					  ret = ( _selected == 2 ) ? ( BCD2DEC(ret) + dire ) :
						sb_clip( BCD2DEC(ret) + dire ,min[_selected] ,max[_selected]);
					  if( _selected == 0 )
						{
						  _rtc.yearhi = ( ret > 95 ) ? DEC2BCD(19) : DEC2BCD(20); 
						}
					  TARGET_RTCVAL = DEC2BCD(ret);
						  
					  /* day */
					  if( _selected < 3 )
						{
						  ret = BCD2DEC(_rtc.day);
						  i = BCD2DEC(_rtc.month);
						  j = ( i==2 && !( BCD2DEC(_rtc.yearlo) % 4 )) ?  /* うるう年 */
							29 : daymax[i - 1];
						  if (_selected == 2 )
							ret = sb_clip(ret,1,j);							
						  else
							ret = (ret > j) ? j : ret;
  
						  _rtc.day = DEC2BCD( ret );	  
						}
					  break;
		}
	}
  else
	{
	  switch(_trig)
		{
		case U_JPAD: --_selected;  break;
		case D_JPAD: ++_selected;  break;
		case START_BUTTON:
				 _cmd = MODE_SETRTC;
				 break;
		case B_BUTTON:
		  if(_noreadmode)break;
				 _first =1;
				 return -1; 			 
		case A_BUTTON:
			_keep = TARGET_RTCVAL;
			_editmode = true;		 
			break;		 
		}
	  
	  _selected  = sb_clip(_selected ,0 , TIME_NUM-1);
	}
  return 0;
}

void
scr_rtc(void)
{
  s32 ret;
  static s32 _step = 0;

  _print();

  /*  キー入力 */
  if( ret = _keyProc() )
	{
	  switch(ret)
		{
		case -1:  
		  main_setScreen(SCREEN_TOPGUN);
		  _step = 0;
		case -2:  
			  return;
		default:  break;
		}
	}

  if( dd_checkGate(&_ddmsg) )
	{
	  switch(_cmd)
		{
		case MODE_GETRTC:
		  ret = _get(&_step);
		  break;
		case MODE_SETRTC:
		  ret = _set(&_step);
		  break;
		default:
		  ret = 0;
		}

	  if(ret)
		{
		  _cmd = MODE_IDLE; 
		  _step = 0;
		}

	}
}  

static s32
_get( s32 *stepp )
{
  s32 step = *stepp,ret = 0;
 
  if(_noreadmode) return -1;

  switch (step)
	{
	case 0:
	  _ddmsg.command  = LEOCMD_GETRTC;
	  dd_exec( &_ddmsg );
	  ++step;
	  break;

	case 1:
	  if( _ddmsg.retVal )
		bcopy( &_ddmsg.param ,&_rtc , sizeof(LEODiskTime));
 	  ret = -1;
	  ++step;
	  break;

	default:
	  break;

	}
  *stepp = step;

  return ret;
}

static s32
_set( s32 *stepp )
{
  s32 step = *stepp,ret = 0;
 
  switch (step)
	{
	case 0:
	  _ddmsg.command  = LEOCMD_SETRTC;
	  bcopy( &_rtc ,&_ddmsg.param , sizeof(LEODiskTime));
	  dd_exec( &_ddmsg );
	  ++step;
	  break;

	case 1:
	  if( _ddmsg.retVal ) ret = -1;
	  if(_noreadmode)
		{
		  _noreadmode = 0;
		  main_setScreen(SCREEN_MENU);
		}
	  ++step;
	  break;

	default:
	  break;

	}
  *stepp = step;

  return ret;
}

void 
rtc_noReadMode(void)
{
  _noreadmode = 1;
}

static s32
_init(void)
{
  s32 xpos,ypos;
  
  xpos = 20;
  ypos = 20;

  sbar_create(&_label[0],"時刻設定" ,30,20);
  sbar_moveCenter(&_label[0],0,SCREEN_WD);
  btile_create(&_btile[0] , _label[0].x + BD_X ,_label[0].y + BD_Y
			   ,sbar_getWidth(&_label[0]) + 15 , 16 ,RGBA_BLUEALPHA );
  
  xpos  = 100; ypos = 60;
  sbar_create(&_time[0],"199X",(xpos + 8)   ,ypos);
  sbar_create(&_time[1],"12"  ,(xpos + 20)	,(ypos+= ITEM_H));
  sbar_create(&_time[2],"31"  ,(xpos + 20)	,(ypos+= ITEM_H));
  sbar_create(&_time[3],"23"  ,(xpos + 20)	,(ypos+= ITEM_H));
  sbar_create(&_time[4],"56"  ,(xpos + 20)	,(ypos+= ITEM_H));
  sbar_create(&_time[5],"47"  ,(xpos + 20)	,(ypos+= ITEM_H));

  
  sbar_create(&_label[7],"セット：START BUTTON" ,50 ,(ypos+= ITEM_H * 2) );

  xpos = 100 + 16 * 4;
  ypos = 60;
  sbar_create(&_label[1],"年" ,xpos,ypos );
  sbar_create(&_label[2],"月" ,xpos,(ypos+= ITEM_H) );
  sbar_create(&_label[3],"日" ,xpos,(ypos+= ITEM_H) );
  sbar_create(&_label[4],"時" ,xpos,(ypos+= ITEM_H) );
  sbar_create(&_label[5],"分" ,xpos,(ypos+= ITEM_H) );
  sbar_create(&_label[6],"秒" ,xpos,(ypos+= ITEM_H) );

  btile_create(&_btile[1] ,_time[0].x + BD_X  ,_time[0].y + BD_Y
			   ,BTILE_WIDTH_1 , ITEM_H * TIME_NUM ,RGBA_BLUEALPHA );

  btile_create(&_btile[2] ,_label[2].x + BD_X  ,_label[1].y + BD_Y
			   ,BTILE_WIDTH_1 , ITEM_H ,RGBA_SKYBLUEALPHA );

  btile_create(&_btile[3] ,_label[7].x + BD_X  ,_label[7].y + BD_Y
			   ,sbar_getWidth(&_label[7]) + 48 , ITEM_H ,RGBA_BLUEALPHA );

  if(_noreadmode)
	{
	  _rtc.pad    = 0;
	  _rtc.yearhi = 0x19;
	  _rtc.yearlo = 0x99;
	  _rtc.month  = 0x12;	  
	  _rtc.day    = 0x28;	  
	  _rtc.hour   = 0x23;
	  _rtc.minute = 0x59;
	  _rtc.second = 0x59;	  
	}

  _ddmsg.retQ = &myQ;
  return -1;
}