| 41 |
|
|
| 42 |
|
|
| 43 |
|
CONE * |
| 44 |
< |
getcone(o, getxf) /* get cone structure */ |
| 45 |
< |
register OBJREC *o; |
| 46 |
< |
int getxf; |
| 44 |
> |
getcone( /* get cone structure */ |
| 45 |
> |
OBJREC *o, |
| 46 |
> |
int getxf |
| 47 |
> |
) |
| 48 |
|
{ |
| 49 |
|
int sgn0, sgn1; |
| 50 |
< |
register CONE *co; |
| 50 |
> |
CONE *co; |
| 51 |
|
|
| 52 |
|
if ((co = (CONE *)o->os) == NULL) { |
| 53 |
|
|
| 81 |
|
if (sgn0+sgn1 == 0) |
| 82 |
|
goto raderr; |
| 83 |
|
if ((sgn0 < 0) | (sgn1 < 0)) { |
| 84 |
< |
objerror(o, o->otype==OBJ_RING?USER:WARNING, |
| 85 |
< |
"negative radii"); |
| 84 |
> |
if (o->otype == OBJ_RING) |
| 85 |
> |
goto raderr; |
| 86 |
> |
objerror(o, WARNING, "negative radii"); |
| 87 |
|
o->otype = o->otype == OBJ_CONE ? |
| 88 |
|
OBJ_CUP : OBJ_CONE; |
| 89 |
|
} |
| 122 |
|
co->ad[2] = CO_P1(co)[2] - CO_P0(co)[2]; |
| 123 |
|
} |
| 124 |
|
co->al = normalize(co->ad); |
| 125 |
< |
if (co->al == 0.0) |
| 126 |
< |
objerror(o, USER, "zero orientation"); |
| 125 |
> |
if (co->al == 0.0) { |
| 126 |
> |
objerror(o, WARNING, "unknown orientation"); |
| 127 |
> |
free(co); |
| 128 |
> |
return(NULL); |
| 129 |
> |
} |
| 130 |
|
/* compute axis and side lengths */ |
| 131 |
|
if (o->otype == OBJ_RING) { |
| 132 |
|
co->al = 0.0; |
| 147 |
|
argcerr: |
| 148 |
|
objerror(o, USER, "bad # arguments"); |
| 149 |
|
raderr: |
| 150 |
< |
objerror(o, USER, "illegal radii"); |
| 151 |
< |
return NULL; /* pro forma return */ |
| 150 |
> |
objerror(o, WARNING, "illegal radii"); |
| 151 |
> |
free(co); |
| 152 |
> |
return(NULL); |
| 153 |
|
} |
| 154 |
|
|
| 155 |
|
|
| 156 |
|
void |
| 157 |
< |
freecone(o) /* free memory associated with cone */ |
| 152 |
< |
OBJREC *o; |
| 157 |
> |
freecone(OBJREC *o) /* free memory associated with cone */ |
| 158 |
|
{ |
| 159 |
< |
register CONE *co = (CONE *)o->os; |
| 159 |
> |
CONE *co = (CONE *)o->os; |
| 160 |
|
|
| 161 |
|
if (co == NULL) |
| 162 |
|
return; |
| 168 |
|
|
| 169 |
|
|
| 170 |
|
void |
| 171 |
< |
conexform(co) /* get cone transformation matrix */ |
| 167 |
< |
register CONE *co; |
| 171 |
> |
conexform(CONE *co) /* get cone transformation matrix */ |
| 172 |
|
{ |
| 173 |
|
MAT4 m4; |
| 174 |
< |
register double d; |
| 175 |
< |
register int i; |
| 174 |
> |
double d; |
| 175 |
> |
int i; |
| 176 |
|
|
| 177 |
|
co->tm = (RREAL (*)[4])malloc(sizeof(MAT4)); |
| 178 |
|
if (co->tm == NULL) |