historical/toontown-classic.git/panda/include/eggAttributes.I
2024-01-16 11:20:27 -06:00

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/**
* PANDA 3D SOFTWARE
* Copyright (c) Carnegie Mellon University. All rights reserved.
*
* All use of this software is subject to the terms of the revised BSD
* license. You should have received a copy of this license along
* with this source code in a file named "LICENSE."
*
* @file eggAttributes.I
* @author drose
* @date 1999-01-16
*/
/**
*
*/
INLINE bool EggAttributes::
has_normal() const {
return (_flags & F_has_normal) != 0;
}
/**
*
*/
INLINE const LNormald &EggAttributes::
get_normal() const {
nassertr(has_normal(), _normal);
return _normal;
}
/**
*
*/
INLINE void EggAttributes::
set_normal(const LNormald &normal) {
_normal = normal;
_flags |= F_has_normal;
}
/**
*
*/
INLINE void EggAttributes::
clear_normal() {
_flags &= ~F_has_normal;
}
/**
* Returns true if this normal matches that of the other EggAttributes object,
* include the morph list.
*/
INLINE bool EggAttributes::
matches_normal(const EggAttributes &other) const {
if (((_flags ^ other._flags) & F_has_normal) != 0) {
return false;
}
if (!has_normal()) {
return true;
}
return (get_normal() == other.get_normal() &&
_dnormals.compare_to(other._dnormals, egg_parameters->_normal_threshold) == 0);
}
/**
* Sets this normal to be the same as the other's, include morphs. If the
* other has no normal, this clears the normal.
*/
INLINE void EggAttributes::
copy_normal(const EggAttributes &other) {
if (!other.has_normal()) {
clear_normal();
} else {
set_normal(other.get_normal());
_dnormals = other._dnormals;
}
}
/**
*
*/
INLINE bool EggAttributes::
has_color() const {
return (_flags & F_has_color) != 0;
}
/**
* Returns the color set on this particular attribute. If there is no color
* set, returns white.
*/
INLINE LColor EggAttributes::
get_color() const {
if (has_color()) {
return _color;
} else {
return LColor(1.0, 1.0, 1.0, 1.0);
}
}
/**
*
*/
INLINE void EggAttributes::
set_color(const LColor &color) {
_color = color;
_flags |= F_has_color;
}
/**
*
*/
INLINE void EggAttributes::
clear_color() {
_flags &= ~F_has_color;
}
/**
* Returns true if this color matches that of the other EggAttributes object,
* include the morph list.
*/
INLINE bool EggAttributes::
matches_color(const EggAttributes &other) const {
if (((_flags ^ other._flags) & F_has_color) != 0) {
return false;
}
if (!has_color()) {
return true;
}
return (get_color() == other.get_color() &&
_drgbas.compare_to(other._drgbas, egg_parameters->_color_threshold) == 0);
}
/**
* Sets this color to be the same as the other's, include morphs. If the
* other has no color, this clears the color.
*/
INLINE void EggAttributes::
copy_color(const EggAttributes &other) {
if (!other.has_color()) {
clear_color();
} else {
set_color(other.get_color());
_drgbas = other._drgbas;
}
}
/**
* An ordering operator to compare two vertices for sorting order. This
* imposes an arbitrary ordering useful to identify unique vertices.
*/
INLINE bool EggAttributes::
sorts_less_than(const EggAttributes &other) const {
return compare_to(other) < 0;
}