/* runner.h   by Michael Thorpe   2023-05-29 */

#define DMX_MAXCHAN 512

struct frame {
	int h,w; /* height and width of window */
	int y,x;
	const char *title;
	void (*draw)();
	int (*input)(int c);
};

struct dmx {
	int len;
	int fd,pos,sawFE; /* only used for DMX read from the outside */
	unsigned char data[1+DMX_MAXCHAN];
};

struct look {
	const char *name;
	unsigned char (*func)(struct look *me,int chan);
	void (*update)(struct look *me,double curtime);
	struct look **subs;
	struct dmx *dmx;
	int numsubs;
	double frac;
	const char *proc;
};

/* audio.c */
int startaudio(int testmode);
void playaudio(const char *s);

/* cli.c */
extern int rest_column;
extern struct frame cliframe;

/* dmx.c */
extern struct dmx **procdmx;
extern int numprocdmx;
#define PERROW(w) (((w)+2)/13) /* number of quad-channels that fit in one row of width w */
#define MARGIN(w) (((w)+2-PERROW(w)*13+1)/2)
void show_new_chan(struct frame *frame,int pos,unsigned char val);
void dmx_redraw(struct frame *frame,struct dmx *dmx);
struct dmx *makeprocdmx(int fd);
int dmx_setup(int testmode);

/* dmxin.c */
extern struct dmx dmxin;
extern struct frame dmxinframe;
void dmxin_setoffset(int new); /* -1 means use the current offset */
void dmxin_unlinkchan(int chan);
void dmx_readable(struct dmx *dmx);

/* dmxout.c */
extern int pifd; /* hacky way to have dmx_setup() open it */
extern struct dmx dmxout;
extern struct frame dmxoutframe;
void dmxout_doit();
void dmxout_save();

/* fade.c */
int fade_init();

/* looks.c */
extern struct look *editlook;
extern struct look *curlook;
extern struct frame looksframe;
unsigned char storedlook(struct look *me,int chan);
void nullupdate(struct look *me,double curtime);
int looks_load();
struct look *findlook(const char *name); /* returns a look, or NULL if not found */
struct look *getlook(const char *name); /* returns a look, creating one if necessary */
void looks_redraw();

/* mhl.c */
extern int mhl_base_pos,mhl_last_pos;
/* 1="fine" mode (16-bit pan/tilt), 0="coarse" mode (8-bit) */
#define FINE_MODE 1
extern struct frame mhlframe;
int mhl_load();
void mhl_update();
enum mhlpower_t {NEUTRAL,ON,OFF};
void mhl_power(enum mhlpower_t newval);
unsigned char mhl_output(int subchan);
void mhl_setscene(int mhlposidx);

/* net.c */
#define ARTNET_SUPPORT
#ifdef ARTNET_SUPPORT
int artnet_setup(const char *host);
void output_artnet_packet(struct dmx *frame);
#endif

/* quad.c */
extern struct frame *curframe;
void draw_titlebar(struct frame *frame);

/* scenes.c */
extern struct frame scenesframe;
int find_scene(const char *cuename,int dofade);
int scenes_load();

/* util.c */
void errmsg(const char *msg);
double gettime();