| 13 |
|
VIEW v; /* base view parameters */ |
| 14 |
|
int hres, vres; /* base view resolution */ |
| 15 |
|
int ifd; /* input file descriptor (for select) */ |
| 16 |
+ |
int inpready; /* number of unprocessed input events */ |
| 17 |
|
} odev; /* our open device */ |
| 18 |
|
|
| 19 |
+ |
extern char odev_args[]; /* command arguments, if any */ |
| 20 |
+ |
|
| 21 |
|
extern int imm_mode; /* bundles are being delivered immediately */ |
| 22 |
|
|
| 23 |
|
extern double eyesepdist; /* world eye separation distance */ |
| 26 |
|
#define DC_SETVIEW 0 /* set the base view */ |
| 27 |
|
#define DC_GETVIEW 1 /* print the current base view */ |
| 28 |
|
#define DC_LASTVIEW 2 /* restore previous view */ |
| 29 |
< |
#define DC_PAUSE 3 /* pause the current calculation */ |
| 30 |
< |
#define DC_RESUME 4 /* resume the calculation */ |
| 31 |
< |
#define DC_REDRAW 5 /* redraw from server */ |
| 32 |
< |
#define DC_KILL 6 /* kill rtrace process(es) */ |
| 33 |
< |
#define DC_RESTART 7 /* restart rtrace process(es) */ |
| 34 |
< |
#define DC_CLOBBER 8 /* clobber holodeck file */ |
| 35 |
< |
#define DC_QUIT 9 /* quit the program */ |
| 29 |
> |
#define DC_FOCUS 3 /* view focus */ |
| 30 |
> |
#define DC_PAUSE 4 /* pause the current calculation */ |
| 31 |
> |
#define DC_RESUME 5 /* resume the calculation */ |
| 32 |
> |
#define DC_REDRAW 6 /* redraw from server */ |
| 33 |
> |
#define DC_KILL 7 /* kill rtrace process(es) */ |
| 34 |
> |
#define DC_RESTART 8 /* restart rtrace process(es) */ |
| 35 |
> |
#define DC_CLOBBER 9 /* clobber holodeck file */ |
| 36 |
> |
#define DC_QUIT 10 /* quit the program */ |
| 37 |
|
|
| 38 |
< |
#define DC_NCMDS 10 /* number of commands */ |
| 38 |
> |
#define DC_NCMDS 11 /* number of commands */ |
| 39 |
|
|
| 40 |
|
/* dev_input() returns flags from above */ |
| 41 |
|
#define DFL(dc) (1<<(dc)) |
| 42 |
|
|
| 43 |
|
#define CTRL(c) ((c)-'@') |
| 44 |
|
/* commands entered in display window */ |
| 45 |
< |
#define DV_INIT {'\0','v','l','p','\r',CTRL('L'),'K','R','C','q'} |
| 45 |
> |
#define DV_INIT {'\0','v','l','f','p','\r',CTRL('L'),'K','R','C','q'} |
| 46 |
|
/* commands entered on stdin */ |
| 47 |
< |
#define DC_INIT {"VIEW=","where","last","pause","resume","redraw",\ |
| 48 |
< |
"kill","restart","clobber","quit"} |
| 47 |
> |
#define DC_INIT {"VIEW=","where","last","frame","pause","resume",\ |
| 48 |
> |
"redraw","kill","restart","clobber","quit"} |
| 49 |
|
|
| 50 |
|
|
| 51 |
|
/************************************************************************ |
| 81 |
|
|
| 82 |
|
|
| 83 |
|
void |
| 84 |
< |
dev_value(c, p, v) : register new point of light |
| 84 |
> |
dev_value(c, d, p) : register new point of light |
| 85 |
|
COLR c; : pixel color (RGBE) |
| 86 |
+ |
FVECT d; : ray direction vector |
| 87 |
|
FVECT p; : world intersection point |
| 83 |
– |
FVECT v; : ray direction vector |
| 88 |
|
|
| 89 |
|
Add the given color point to the display output queue. If imm_mode is |
| 90 |
< |
non-zero, then values are being sent in rapid succession. |
| 90 |
> |
non-zero, then values are being sent in rapid succession. If p is NULL, |
| 91 |
> |
then the point is at infinity. |
| 92 |
|
|
| 93 |
|
|
| 94 |
|
int |
| 95 |
|
dev_flush() : flush the output and prepare for select call |
| 96 |
|
|
| 97 |
|
Updates display, taking any pending action required before select(2) call. |
| 98 |
< |
Returns non-zero if there is device input available. |
| 98 |
> |
Returns non-zero if there is device input available, setting odev.inpready. |
| 99 |
|
|
| 100 |
|
|
| 101 |
|
int |
| 104 |
|
Called when odev struct file descriptor shows input is ready. |
| 105 |
|
Returns flags indicating actions to take in the control process. |
| 106 |
|
If the DC_VIEW or DC_RESIZE flag is returned, the odev |
| 107 |
< |
structure must be updated beforehand. |
| 107 |
> |
structure must be updated beforehand. If the DC_FOCUS |
| 108 |
> |
flag is set, then odev_args contains the frame dimensions. |
| 109 |
> |
No events shall remain when this function returns, |
| 110 |
> |
and odev.inpready will therefore be 0. |
| 111 |
|
|
| 112 |
|
void |
| 113 |
|
dev_auxcom(cmd, args) : process auxiliary command |
