#include <SDL_image.h>

//#define OPENGL


#define EDITORW	800
#define EDITORH	480

// location of tile palette in editor
#define PALX 	640
#define PALY 	0
#define PALW 	(EDITORW-PALX)
#define PALH 	(EDITORH/2)-1

// loc of sprite palette
#define SPALX 	640
#define SPALY 	(EDITORH/2)
#define SPALW 	(EDITORW-PALX)
#define SPALH 	(EDITORH/2)-1

// text sizes
#define TEXTSIZE_HELP	20
#define TEXTSIZE_POINTS	10
#define TEXTSIZE_HURRY	50

#define INVULNTIME 200

#define WANTFPS 75

#define TEXTSPEED 2
#define NETSPEED 9

#define POINTSDELAY 40
#define HURRYDELAY 50
#define LEVELDELAY 40
#define HELPDELAY  80

#define MAXMAPPINGS 50

#define MAXMONSTERSPERLEVEL	20

#define MAXLETTERHEIGHT 100

#define MAXFRAMES 10

#define MAXHELP 5

#define TILEH 16
#define TILEW 16

#define LEVELW 40
#define LEVELH 30 

#define BUFLEN 512
#define MIDBUFLEN 64
#define SMALLBUFLEN 32

#define FALLSPEED 4

#define B_TRUE	-1
#define B_FALSE	0

#define S_NOTSOLID	0
#define S_SOLID		1
#define S_SLOPE		2

#define MAXPTYPES 15
#define P_PLAYER	0
#define P_RAT		1
#define P_CHEESE	2
#define P_SPEED		3
#define P_NUMNETS	4
#define P_BIGNET	5
#define P_BEE		6
#define P_SPIDER	7
#define P_CLOUD		8
#define P_ICECREAM	9
#define P_CHIPS		10
#define P_BURGER	11
#define P_SNAKE		12
#define P_SPIT		13
#define P_HELP		14

#define F_WALK1		0
#define F_JUMP		1
#define F_FALL		2
#define F_CAUGHT	3
#define F_DEAD		4
#define F_DEAD2		5
#define F_DEAD3		6
#define F_DEAD4		7
#define F_CLIMB1	8
#define F_CLIMB2	9

#define T_BLANK	0
#define T_LAND	1
#define T_SLOPEUP	2
#define T_SLOPEDOWN	3
#define T_FULL	4
#define T_SKY	5
#define T_LADDER	6
#define T_LADDERTOP	7
#define T_RIGHT	8
#define T_LEFT	9
#define T_SPIKES	10
#define T_TELEPORT	11
#define T_TELEPORT2	12
#define T_TELEPORTDEST	13
#define T_WATER		14
#define T_WATERTOP	15
#define T_WATERSPIKES	16



typedef struct mapping_s {
	char ch;
	int tnum;
} mapping_t;

typedef struct tiletype_s {
	int id;
	char name[SMALLBUFLEN];
	int lowness[TILEW];
	int solid;
	int water;
	int spikes;
	SDL_Surface *img;
	struct tiletype_s *next;
	struct tiletype_s *prev;
} tiletype_t;
tiletype_t *tiletype;

typedef struct initialmonster_s {
	int startx;
	int starty;
	int id;
	char *help;
} initialmonster_t;

typedef struct text_s {
	int x,y;
	int size;
	int maxsize;
	int state;
	int delay;	// how long to stay on screen
	char txt[BUFLEN];
	SDL_Rect bgarea;
	SDL_Surface *bg;
	SDL_Surface *img;
	SDL_Color *c;
	struct text_s *next;
	struct text_s *prev;
} text_t;

typedef struct level_s {
	int id;
	int bgtileid;
	char name[SMALLBUFLEN];
	int map[LEVELW*LEVELH];
	struct level_s *next;
	struct level_s *prev;
	int p1x;	 /* player 1 start pos */
	int p1y;
	int nummonsters;
	initialmonster_t initm[MAXMONSTERSPERLEVEL];
	int hurryuptime;
} level_t;
level_t *level;

typedef struct sprite_s {
	int id;
	double speed;

	int score;

	int falling;
	int fallspeed;
	int jumping;
	int jumpdir;

	int willbecome;

	int angry;

	int teleporting;

	int dead;
	int invuln;
	int bounces;

	struct sprite_s *caughtby;
	int caughtstate;

	int jumpspeed;
	int climbing;
	int slamming;
	double slamangle;
	int netting;
	int netcaught;
	int netmax;
	int netspeed;
	int netdir;
	int netlen;
	int netbig;
	int nety;
	int netxstart;
	int netystart;

	int timer;
	int jumptimer;

	int moved;

	int flies;

	double xs,ys;

	struct sprite_s *bullet;
	struct sprite_s *owner;

	double x,y;
	int dir;
	SDL_Surface *img;
	SDL_Surface *netbg;
	struct sprite_s *next;
	struct sprite_s *prev;
	char name[MIDBUFLEN];
} sprite_t;

typedef struct imageset_s {
	SDL_Surface *img[MAXFRAMES*4];
	int numimages;
} imageset_t;
imageset_t imageset[MAXPTYPES];


void cleanup(void);
int addtext(int x, int y, int size, char *string, SDL_Color *c, int delay);
void drawscore(void);
void drawtext(void);
void movetext(void);
void killtext(text_t *t);
void removeall(void);
void removetext(void);
sprite_t *addsprite(int id,int x, int y, char *name, int initial);
int loadtiletypes(char *filename);
tiletype_t *gettileat(int pixx,int pixy, int *tilex, int *tiley);
int loadlevel(int wnum, int lnum);
int loadimagesets(void);
void drawlevel(void);
void drawtile(SDL_Surface *s, int x, int y);
void removesprite(sprite_t *s);
void removenetting(sprite_t *s);
void drawsprite(sprite_t *s);
void drawnetting(sprite_t *s);
void dogravity(sprite_t *s);
void dotileeffects(sprite_t *s);
void flip(void);
int movex(sprite_t *s,double amt);
void movesprite(sprite_t *s);
int isinwater(sprite_t *s);
int isroofabove(sprite_t *s);
int isroofnabove(sprite_t *s,int howfar);
int isonground(sprite_t *s);
int isongroundpoint(sprite_t *s, int x, int y);
int isonladder(sprite_t *s);
int isladderabove(sprite_t *s);
int isfruit(int id);
int dofruiteffect(sprite_t *s);
int ismonster(int id);
int isbullet(int id);
void killsprite(sprite_t *s);
void checkcollide(sprite_t *s);
void die(sprite_t *s);
void nextlevel(void);
void jump(sprite_t *s, int dir);
double getspeed(sprite_t *s );
void adjustheight(sprite_t *s);
void setdefaults(sprite_t *s);
void tick(void);
void usage(void);

int chartomonster(char ch);


inline void drawpixel16(SDL_Surface *screen, int x, int y, SDL_Color c);
inline void drawpixel32(SDL_Surface *screen, int x, int y, SDL_Color c);
inline void drawbox16(SDL_Surface *screen, int x1,int y1,int x2,int y2,SDL_Color *c,SDL_Color *fc);
void drawline16(SDL_Surface *screen, int x1, int y1, int x2, int y2, SDL_Color c);
int getcolor(SDL_Surface *dest, int x, int y, SDL_Color *col);


///////////////////////////////////////
void drawpalette(void);
void drawsprites(void);