139 lines
4.7 KiB
C++
139 lines
4.7 KiB
C++
// Filename: eggPolysetMaker.cxx
|
|
// Created by: drose (20Jun01)
|
|
//
|
|
////////////////////////////////////////////////////////////////////
|
|
//
|
|
// 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."
|
|
//
|
|
////////////////////////////////////////////////////////////////////
|
|
|
|
#include "eggPolysetMaker.h"
|
|
#include "eggPolygon.h"
|
|
|
|
TypeHandle EggPolysetMaker::_type_handle;
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: EggPolysetMaker::Constructor
|
|
// Access: Public
|
|
// Description:
|
|
////////////////////////////////////////////////////////////////////
|
|
EggPolysetMaker::
|
|
EggPolysetMaker() {
|
|
_properties = 0;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: EggPolysetMaker::set_properties
|
|
// Access: Public
|
|
// Description: Sets the set of properties that determines which
|
|
// polygons are allowed to be grouped together into a
|
|
// single polyset. This is the bitwise 'or' of all the
|
|
// properties that matter. If this is 0, all polygons
|
|
// (within a given group) will be lumped into a common
|
|
// polyset regardless of their properties.
|
|
////////////////////////////////////////////////////////////////////
|
|
void EggPolysetMaker::
|
|
set_properties(int properties) {
|
|
_properties = properties;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: EggPolysetMaker::get_bin_number
|
|
// Access: Public, Virtual
|
|
// Description:
|
|
////////////////////////////////////////////////////////////////////
|
|
int EggPolysetMaker::
|
|
get_bin_number(const EggNode *node) {
|
|
if (node->is_of_type(EggPolygon::get_class_type())) {
|
|
return (int)BN_polyset;
|
|
}
|
|
|
|
return (int)BN_none;
|
|
}
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: EggPolysetMaker::sorts_less
|
|
// Access: Public, Virtual
|
|
// Description:
|
|
////////////////////////////////////////////////////////////////////
|
|
bool EggPolysetMaker::
|
|
sorts_less(int bin_number, const EggNode *a, const EggNode *b) {
|
|
nassertr((BinNumber)bin_number == BN_polyset, false);
|
|
|
|
const EggPolygon *pa = DCAST(EggPolygon, a);
|
|
const EggPolygon *pb = DCAST(EggPolygon, b);
|
|
|
|
if ((_properties & (P_has_texture | P_texture)) != 0) {
|
|
bool a_has_texture = (pa->get_num_textures() > 0);
|
|
bool b_has_texture = (pb->get_num_textures() > 0);
|
|
if (a_has_texture != b_has_texture) {
|
|
return ((int)a_has_texture < (int)b_has_texture);
|
|
}
|
|
}
|
|
if ((_properties & (P_texture)) != 0) {
|
|
int num_textures = min(pa->get_num_textures(), pb->get_num_textures());
|
|
for (int i = 0; i < num_textures; i++) {
|
|
EggTexture *a_texture = pa->get_texture(i);
|
|
EggTexture *b_texture = pb->get_texture(i);
|
|
if (a_texture != b_texture) {
|
|
return (a_texture->sorts_less_than(*b_texture, ~EggTexture::E_tref_name));
|
|
}
|
|
}
|
|
if (pa->get_num_textures() != pb->get_num_textures()) {
|
|
return (pa->get_num_textures() < pb->get_num_textures());
|
|
}
|
|
}
|
|
if ((_properties & (P_has_material | P_material)) != 0) {
|
|
if (pa->has_material() != pb->has_material()) {
|
|
return ((int)pa->has_material() < (int)pb->has_material());
|
|
}
|
|
}
|
|
if ((_properties & (P_material)) != 0) {
|
|
if (pa->has_material()) {
|
|
return (pa->get_material()->sorts_less_than(*pb->get_material(), ~EggMaterial::E_mref_name));
|
|
}
|
|
}
|
|
if ((_properties & (P_has_poly_color)) != 0) {
|
|
if (pa->has_color() != pb->has_color()) {
|
|
return ((int)pa->has_color() < (int)pb->has_color());
|
|
}
|
|
}
|
|
if ((_properties & (P_poly_color)) != 0) {
|
|
if (pa->get_color() != pb->get_color()) {
|
|
return (pa->get_color() < pb->get_color());
|
|
}
|
|
}
|
|
if ((_properties & (P_has_poly_normal)) != 0) {
|
|
if (pa->has_normal() != pb->has_normal()) {
|
|
return ((int)pa->has_normal() < (int)pb->has_normal());
|
|
}
|
|
}
|
|
if ((_properties & (P_has_vertex_normal)) != 0) {
|
|
bool pa_has_normal = pa->has_vertex_normal();
|
|
bool pb_has_normal = pb->has_vertex_normal();
|
|
if (pa_has_normal != pb_has_normal) {
|
|
return ((int)pa_has_normal < (int)pb_has_normal);
|
|
}
|
|
}
|
|
if ((_properties & (P_has_vertex_color)) != 0) {
|
|
bool pa_has_color = pa->has_vertex_color();
|
|
bool pb_has_color = pb->has_vertex_color();
|
|
if (pa_has_color != pb_has_color) {
|
|
return ((int)pa_has_color < (int)pb_has_color);
|
|
}
|
|
}
|
|
if ((_properties & (P_bface)) != 0) {
|
|
if (pa->get_bface_flag() != pb->get_bface_flag()) {
|
|
return ((int)pa->get_bface_flag() < (int)pb->get_bface_flag());
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|