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