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extern struct driver { |
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char *name; /* holodeck name or title */ |
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< |
VIEW v; /* preferred view parameters */ |
14 |
< |
int hres, vres; /* device resolution */ |
13 |
> |
VIEW v; /* base view parameters */ |
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> |
int hres, vres; /* base view resolution */ |
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int ifd; /* input file descriptor (for select) */ |
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} odev; /* our open device */ |
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|
18 |
+ |
extern int imm_mode; /* bundles are being delivered immediately */ |
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+ |
|
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/* user commands */ |
21 |
< |
#define DC_SETVIEW 0 /* set the view */ |
22 |
< |
#define DC_GETVIEW 1 /* print the current view */ |
21 |
> |
#define DC_SETVIEW 0 /* set the base view */ |
22 |
> |
#define DC_GETVIEW 1 /* print the current base view */ |
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#define DC_LASTVIEW 2 /* restore previous view */ |
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#define DC_PAUSE 3 /* pause the current calculation */ |
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#define DC_RESUME 4 /* resume the calculation */ |
26 |
< |
#define DC_REDRAW 5 /* redraw from server */ |
27 |
< |
#define DC_QUIT 6 /* quit the program */ |
26 |
> |
#define DC_REDRAW 5 /* redraw from server */ |
27 |
> |
#define DC_KILL 6 /* kill rtrace process(es) */ |
28 |
> |
#define DC_RESTART 7 /* restart rtrace process(es) */ |
29 |
> |
#define DC_CLOBBER 8 /* clobber holodeck file */ |
30 |
> |
#define DC_QUIT 9 /* quit the program */ |
31 |
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|
32 |
< |
#define DC_NCMDS 7 /* number of commands */ |
32 |
> |
#define DC_NCMDS 10 /* number of commands */ |
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/* dev_input() returns flags from above */ |
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#define DFL(dc) (1<<(dc)) |
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|
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#define CTRL(c) ((c)-'@') |
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/* commands entered in display window */ |
39 |
< |
#define DV_INIT {'\0','v','l','p','\r',CTRL('R'),'q'} |
39 |
> |
#define DV_INIT {'\0','v','l','p','\r',CTRL('L'),'K','R','C','q'} |
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/* commands entered on stdin */ |
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#define DC_INIT {"VIEW=","where","last","pause","resume","redraw",\ |
42 |
< |
"quit"} |
42 |
> |
"kill","restart","clobber","quit"} |
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44 |
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|
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/************************************************************************ |
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char *nm; : appropriate title bar annotation |
52 |
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|
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Sets fields of odev structure and prepares the display for i/o. |
54 |
< |
The view type, horizontal and vertical view angles and other default |
55 |
< |
parameters in odev.v should also be assigned. |
54 |
> |
The base view type, horizontal and vertical view angles and other |
55 |
> |
default parameters in odev.v should also be assigned. |
56 |
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|
57 |
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|
58 |
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int |
59 |
< |
dev_view(nv) : set display view parameters |
59 |
> |
dev_view(nv) : set base view parameters |
60 |
|
VIEW *nv; : the new view |
61 |
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|
62 |
< |
Updates the display for the given view change. |
62 |
> |
Updates the display for the given base view change. |
63 |
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Look for nv==&odev.v when making view current after dev_input() |
64 |
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returns DEV_NEWVIEW flag. Return 1 on success, or 0 if the |
65 |
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new view would conflict with device requirements. In the latter |
68 |
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|
69 |
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|
70 |
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void |
71 |
+ |
dev_clear() : clear device memory |
72 |
+ |
|
73 |
+ |
Clear the device memory in preparation for fresh data. Clearing |
74 |
+ |
the screen is optional. |
75 |
+ |
|
76 |
+ |
|
77 |
+ |
void |
78 |
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dev_value(c, p, v) : register new point of light |
79 |
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COLR c; : pixel color (RGBE) |
80 |
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FVECT p; : world intersection point |
81 |
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FVECT v; : ray direction vector |
82 |
|
|
83 |
< |
Add the given color point to the display output queue. |
83 |
> |
Add the given color point to the display output queue. If imm_mode is |
84 |
> |
non-zero, then values are being sent in rapid succession. |
85 |
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|
86 |
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|
87 |
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int |
100 |
|
structure must be updated beforehand. |
101 |
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|
102 |
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|
103 |
+ |
VIEW * |
104 |
+ |
dev_auxview(n, hv) : return nth auxiliary view |
105 |
+ |
int n; : auxiliary view number |
106 |
+ |
int hv[2]; : returned horiz. and vert. image resolution |
107 |
+ |
|
108 |
+ |
Return the nth auxiliary view associated with the current base view. |
109 |
+ |
The hv entries are assigned the horizontal and vertical view resolution, |
110 |
+ |
respectively. Function returns NULL if there are no more auxiliary |
111 |
+ |
views. The zeroeth auxiliary view is the base view itself. |
112 |
+ |
|
113 |
+ |
|
114 |
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void |
115 |
|
dev_close() : close the display |
116 |
|
|
119 |
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|
120 |
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|
121 |
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************************************************************************/ |
122 |
+ |
|
123 |
+ |
|
124 |
+ |
extern VIEW *dev_auxview(); |