88 |
|
#endif |
89 |
|
|
90 |
|
|
91 |
+ |
int |
92 |
+ |
eqreal( /* are two real values close enough to equal? */ |
93 |
+ |
double d1, |
94 |
+ |
double d2 |
95 |
+ |
) |
96 |
+ |
{ |
97 |
+ |
if (d2 != 0.0) |
98 |
+ |
d1 = d1/d2 - 1.0; |
99 |
+ |
return((-FTINY <= d1) & (d1 <= FTINY)); |
100 |
+ |
} |
101 |
+ |
|
102 |
+ |
|
103 |
+ |
int |
104 |
+ |
eqobjects( /* check if two objects are equal */ |
105 |
+ |
OBJECT obj1, |
106 |
+ |
OBJECT obj2 |
107 |
+ |
) |
108 |
+ |
{ |
109 |
+ |
OBJREC *op1, *op2; |
110 |
+ |
int i; |
111 |
+ |
|
112 |
+ |
while (obj1 != obj2) { |
113 |
+ |
if (obj1 == OVOID) |
114 |
+ |
return(0); |
115 |
+ |
if (obj2 == OVOID) |
116 |
+ |
return(0); |
117 |
+ |
op1 = objptr(obj1); |
118 |
+ |
op2 = objptr(obj2); |
119 |
+ |
if (op1->otype != op2->otype) |
120 |
+ |
return(0); |
121 |
+ |
if (op1->oargs.nsargs != op2->oargs.nsargs) |
122 |
+ |
return(0); |
123 |
+ |
if (op1->oargs.nfargs != op2->oargs.nfargs) |
124 |
+ |
return(0); |
125 |
+ |
#ifdef IARGS |
126 |
+ |
if (op1->oargs.niargs != op2->oargs.niargs) |
127 |
+ |
return(0); |
128 |
+ |
for (i = op1->oargs.niargs; i-- > 0; ) |
129 |
+ |
if (op1->oargs.iarg[i] != op2->oargs.iarg[i]) |
130 |
+ |
return(0); |
131 |
+ |
#endif |
132 |
+ |
for (i = op1->oargs.nfargs; i-- > 0; ) |
133 |
+ |
if (!eqreal(op1->oargs.farg[i], op2->oargs.farg[i])) |
134 |
+ |
return(0); |
135 |
+ |
for (i = op1->oargs.nsargs; i-- > 0; ) |
136 |
+ |
if (strcmp(op1->oargs.sarg[i], op2->oargs.sarg[i])) |
137 |
+ |
return(0); |
138 |
+ |
i = 0; |
139 |
+ |
switch (op1->otype) { /* special cases (KEEP CONSISTENT!) */ |
140 |
+ |
case MOD_ALIAS: |
141 |
+ |
case MAT_ILLUM: |
142 |
+ |
case MAT_MIRROR: |
143 |
+ |
i = (op1->oargs.nsargs > 0); |
144 |
+ |
break; |
145 |
+ |
case MIX_FUNC: |
146 |
+ |
case MIX_DATA: |
147 |
+ |
case MIX_TEXT: |
148 |
+ |
case MIX_PICT: |
149 |
+ |
i = 2*(op1->oargs.nsargs >= 2); |
150 |
+ |
break; |
151 |
+ |
case MAT_CLIP: |
152 |
+ |
i = op1->oargs.nsargs; |
153 |
+ |
break; |
154 |
+ |
} |
155 |
+ |
while (i-- > 0) /* check modifier references */ |
156 |
+ |
if (!eqobjects( lastmod(obj1, op1->oargs.sarg[i]), |
157 |
+ |
lastmod(obj2, op2->oargs.sarg[i]) )) |
158 |
+ |
return(0); |
159 |
+ |
obj1 = op1->omod; |
160 |
+ |
obj2 = op2->omod; |
161 |
+ |
} |
162 |
+ |
return(1); |
163 |
+ |
} |
164 |
+ |
|
165 |
+ |
|
166 |
|
void |
167 |
|
insertobject( /* insert new object into our list */ |
168 |
|
OBJECT obj |
172 |
|
|
173 |
|
if (ismodifier(objptr(obj)->otype)) { |
174 |
|
i = otndx(objptr(obj)->oname, &modtab); |
175 |
+ |
if (eqobjects(obj, modtab.htab[i])) |
176 |
+ |
return; /* don't index if same as earlier def. */ |
177 |
|
modtab.htab[i] = obj; |
178 |
|
} |
179 |
|
#ifdef GETOBJ |