57 |
|
} |
58 |
|
|
59 |
|
|
60 |
– |
HOLO * |
61 |
– |
hdalloc(hproto) /* allocate and set holodeck section based on grid */ |
62 |
– |
HDGRID *hproto; |
63 |
– |
{ |
64 |
– |
HOLO hdhead; |
65 |
– |
register HOLO *hp; |
66 |
– |
int n; |
67 |
– |
/* copy grid to temporary header */ |
68 |
– |
bcopy((char *)hproto, (char *)&hdhead, sizeof(HDGRID)); |
69 |
– |
/* compute grid vectors and sizes */ |
70 |
– |
hdcompgrid(&hdhead); |
71 |
– |
/* allocate header with directory */ |
72 |
– |
n = sizeof(HOLO)+nbeams(&hdhead)*sizeof(BEAMI); |
73 |
– |
if ((hp = (HOLO *)malloc(n)) == NULL) |
74 |
– |
return(NULL); |
75 |
– |
/* copy header information */ |
76 |
– |
copystruct(hp, &hdhead); |
77 |
– |
/* allocate and clear beam list */ |
78 |
– |
hp->bl = (BEAM **)malloc((nbeams(hp)+1)*sizeof(BEAM *)+sizeof(BEAM)); |
79 |
– |
if (hp->bl == NULL) { |
80 |
– |
free((char *)hp); |
81 |
– |
return(NULL); |
82 |
– |
} |
83 |
– |
bzero((char *)hp->bl, (nbeams(hp)+1)*sizeof(BEAM *)+sizeof(BEAM)); |
84 |
– |
hp->bl[0] = (BEAM *)(hp->bl+nbeams(hp)+1); /* set blglob(hp) */ |
85 |
– |
hp->fd = -1; |
86 |
– |
hp->dirty = 0; |
87 |
– |
hp->priv = NULL; |
88 |
– |
/* clear beam directory */ |
89 |
– |
bzero((char *)hp->bi, (nbeams(hp)+1)*sizeof(BEAMI)); |
90 |
– |
return(hp); /* all is well */ |
91 |
– |
} |
92 |
– |
|
93 |
– |
|
60 |
|
hdbcoord(gc, hp, i) /* compute beam coordinates from index */ |
61 |
|
GCOORD gc[2]; /* returned */ |
62 |
|
register HOLO *hp; |