/*
 
 Copyright (C) 2009 Id Software, Inc.
 
 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
 as published by the Free Software Foundation; either version 2
 of the License, or (at your option) any later version.
 
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 */

// define this to get only the first episode on selections, and the
// automatic sell screen at the end of episode 1
//#define EPISODE_ONE_ONLY

extern viddef_t viddef;

typedef enum menuState {
	IPM_GAME,
	IPM_MAIN,
	IPM_SKILL,
	IPM_EPISODE,
	IPM_MAPS,
	IPM_CONTROLS,
	IPM_INTERMISSION,
	IPM_VICTORY,
	IPM_AUTOMAP
} menuState_t;

extern menuState_t menuState;

void iphoneDrawMenus();

#define SAVEGAME_VERSION	106

#define MAX_SKILLS		4
#define MAX_MAPS		60

#define MF_TRIED		1
#define MF_COMPLETED	2
#define MF_KILLS		4
#define MF_SECRETS		8
#define MF_TREASURE		16
#define MF_TIME			32

typedef struct {
	int		episode;
	int		map;
	int		skill;
	int		levelCompleted;		// already at intermission when saved
	int		version;
	int		mapFlags[MAX_SKILLS][MAX_MAPS];
} currentMap_t;

extern currentMap_t currentMap;

void iphoneStartMap( int episodeNum, int mapNum, int skillLevel );

extern char iphoneDocDirectory[1024];
extern char iphoneAppDirectory[1024];

extern texture_t *numberPics[10];

extern vec3_t	vnull;

void Client_PrepRefresh( const char *r_mapname );

extern int		iphoneFrameNum;
extern int		intermissionTriggerFrame;
extern int		consoleActive;

extern cvar_t	*controlScheme;
extern cvar_t	*sensitivity;
extern cvar_t	*stickSize;
extern cvar_t	*stickTurnBase;
extern cvar_t	*stickTurnScale;
extern cvar_t	*stickMoveBase;
extern cvar_t	*stickMoveScale;
extern cvar_t	*stickDeadBand;
extern cvar_t	*tiltTurn;
extern cvar_t	*tiltMove;
extern cvar_t	*tiltDeadBand;
extern cvar_t	*tiltAverages;
extern cvar_t	*tiltFire;
extern cvar_t	*music;
extern cvar_t	*showTilt;
extern cvar_t	*cropSprites;
extern cvar_t	*blends;
extern cvar_t	*gunFrame;
extern cvar_t	*slowAI;

// the native iPhone code should set the following each frame:
extern int	numTouches;
extern int	touches[5][2];	// [0] = x, [1] = y in landscape mode, raster order with y = 0 at top
extern float	tilt;		// -1.0 to 1.0
extern float	tiltPitch;

// so we can detect button releases
extern int	numPrevTouches;
extern int prevTouches[5][2];


// the layout drawing code sets these, which are then used
// by the touch processing
extern int	menuButtonX, menuButtonY, menuButtonSize;
extern int	fireButtonX, fireButtonY, fireButtonSize;
extern int	moveAxisX, moveAxisY, moveAxisSize;
extern int	turnAxisX, turnAxisY, turnAxisSize;

// incremented once each frame, regardless of framerate
extern int	frameNum;

int	TouchDown( int x, int y, int w, int h );
int	TouchReleased( int x, int y, int w, int h );
int iphoneCenterText( int x, int y, const char *str );
void iphoneDrawNumber( int x, int y, int number, int charWidth, int charHeight );
void iphoneDrawPic( int x, int y, int w, int h, const char *pic );
void R_Draw_Blend( int x, int y, int w, int h, colour4_t c );
void SaveTheGame();
int LoadTheGame();
void StartGame( void );
void iphoneShutdown();
void iphoneOpenAutomap();

void InitImmediateModeGL();

extern colour4_t colorPressed;

extern int damageflash;
extern int bonusFrameNum;
extern int attackDirTime[2];

// interfaces from the game code
void iphoneStartBonusFlash();
void iphoneStartDamageFlash( int points );
void iphoneSetAttackDirection( int dir );
void iphoneStartIntermission( int framesFromNow );
void iphoneSetNotifyText( const char *str, ... );
	
// interfaces to hadware / system
void OpenURL( const char *url );