d1043a5f93
Ensure `ensure_tangents` option actually creates tangent array. Even if it is just a dummy array. Allow mesh to generate its own tangents when using compression. This allows users to compress meshes without tangents. Warn users if they are trying to read from tangents without providing tangents.
587 lines
20 KiB
C++
587 lines
20 KiB
C++
/**************************************************************************/
|
|
/* resource_importer_obj.cpp */
|
|
/**************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/**************************************************************************/
|
|
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
|
|
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/**************************************************************************/
|
|
|
|
#include "resource_importer_obj.h"
|
|
|
|
#include "core/io/file_access.h"
|
|
#include "core/io/resource_saver.h"
|
|
#include "scene/3d/importer_mesh_instance_3d.h"
|
|
#include "scene/3d/mesh_instance_3d.h"
|
|
#include "scene/3d/node_3d.h"
|
|
#include "scene/resources/importer_mesh.h"
|
|
#include "scene/resources/mesh.h"
|
|
#include "scene/resources/surface_tool.h"
|
|
|
|
uint32_t EditorOBJImporter::get_import_flags() const {
|
|
return IMPORT_SCENE;
|
|
}
|
|
|
|
static Error _parse_material_library(const String &p_path, HashMap<String, Ref<StandardMaterial3D>> &material_map, List<String> *r_missing_deps) {
|
|
Ref<FileAccess> f = FileAccess::open(p_path, FileAccess::READ);
|
|
ERR_FAIL_COND_V_MSG(f.is_null(), ERR_CANT_OPEN, vformat("Couldn't open MTL file '%s', it may not exist or not be readable.", p_path));
|
|
|
|
Ref<StandardMaterial3D> current;
|
|
String current_name;
|
|
String base_path = p_path.get_base_dir();
|
|
while (true) {
|
|
String l = f->get_line().strip_edges();
|
|
|
|
if (l.begins_with("newmtl ")) {
|
|
//vertex
|
|
|
|
current_name = l.replace("newmtl", "").strip_edges();
|
|
current.instantiate();
|
|
current->set_name(current_name);
|
|
material_map[current_name] = current;
|
|
} else if (l.begins_with("Ka ")) {
|
|
//uv
|
|
WARN_PRINT("OBJ: Ambient light for material '" + current_name + "' is ignored in PBR");
|
|
|
|
} else if (l.begins_with("Kd ")) {
|
|
//normal
|
|
ERR_FAIL_COND_V(current.is_null(), ERR_FILE_CORRUPT);
|
|
Vector<String> v = l.split(" ", false);
|
|
ERR_FAIL_COND_V(v.size() < 4, ERR_INVALID_DATA);
|
|
Color c = current->get_albedo();
|
|
c.r = v[1].to_float();
|
|
c.g = v[2].to_float();
|
|
c.b = v[3].to_float();
|
|
current->set_albedo(c);
|
|
} else if (l.begins_with("Ks ")) {
|
|
//normal
|
|
ERR_FAIL_COND_V(current.is_null(), ERR_FILE_CORRUPT);
|
|
Vector<String> v = l.split(" ", false);
|
|
ERR_FAIL_COND_V(v.size() < 4, ERR_INVALID_DATA);
|
|
float r = v[1].to_float();
|
|
float g = v[2].to_float();
|
|
float b = v[3].to_float();
|
|
float metalness = MAX(r, MAX(g, b));
|
|
current->set_metallic(metalness);
|
|
} else if (l.begins_with("Ns ")) {
|
|
//normal
|
|
ERR_FAIL_COND_V(current.is_null(), ERR_FILE_CORRUPT);
|
|
Vector<String> v = l.split(" ", false);
|
|
ERR_FAIL_COND_V(v.size() != 2, ERR_INVALID_DATA);
|
|
float s = v[1].to_float();
|
|
current->set_metallic((1000.0 - s) / 1000.0);
|
|
} else if (l.begins_with("d ")) {
|
|
//normal
|
|
ERR_FAIL_COND_V(current.is_null(), ERR_FILE_CORRUPT);
|
|
Vector<String> v = l.split(" ", false);
|
|
ERR_FAIL_COND_V(v.size() != 2, ERR_INVALID_DATA);
|
|
float d = v[1].to_float();
|
|
Color c = current->get_albedo();
|
|
c.a = d;
|
|
current->set_albedo(c);
|
|
if (c.a < 0.99) {
|
|
current->set_transparency(StandardMaterial3D::TRANSPARENCY_ALPHA);
|
|
}
|
|
} else if (l.begins_with("Tr ")) {
|
|
//normal
|
|
ERR_FAIL_COND_V(current.is_null(), ERR_FILE_CORRUPT);
|
|
Vector<String> v = l.split(" ", false);
|
|
ERR_FAIL_COND_V(v.size() != 2, ERR_INVALID_DATA);
|
|
float d = v[1].to_float();
|
|
Color c = current->get_albedo();
|
|
c.a = 1.0 - d;
|
|
current->set_albedo(c);
|
|
if (c.a < 0.99) {
|
|
current->set_transparency(StandardMaterial3D::TRANSPARENCY_ALPHA);
|
|
}
|
|
|
|
} else if (l.begins_with("map_Ka ")) {
|
|
//uv
|
|
WARN_PRINT("OBJ: Ambient light texture for material '" + current_name + "' is ignored in PBR");
|
|
|
|
} else if (l.begins_with("map_Kd ")) {
|
|
//normal
|
|
ERR_FAIL_COND_V(current.is_null(), ERR_FILE_CORRUPT);
|
|
|
|
String p = l.replace("map_Kd", "").replace("\\", "/").strip_edges();
|
|
String path;
|
|
if (p.is_absolute_path()) {
|
|
path = p;
|
|
} else {
|
|
path = base_path.path_join(p);
|
|
}
|
|
|
|
Ref<Texture2D> texture = ResourceLoader::load(path);
|
|
|
|
if (texture.is_valid()) {
|
|
current->set_texture(StandardMaterial3D::TEXTURE_ALBEDO, texture);
|
|
} else if (r_missing_deps) {
|
|
r_missing_deps->push_back(path);
|
|
}
|
|
|
|
} else if (l.begins_with("map_Ks ")) {
|
|
//normal
|
|
ERR_FAIL_COND_V(current.is_null(), ERR_FILE_CORRUPT);
|
|
|
|
String p = l.replace("map_Ks", "").replace("\\", "/").strip_edges();
|
|
String path;
|
|
if (p.is_absolute_path()) {
|
|
path = p;
|
|
} else {
|
|
path = base_path.path_join(p);
|
|
}
|
|
|
|
Ref<Texture2D> texture = ResourceLoader::load(path);
|
|
|
|
if (texture.is_valid()) {
|
|
current->set_texture(StandardMaterial3D::TEXTURE_METALLIC, texture);
|
|
} else if (r_missing_deps) {
|
|
r_missing_deps->push_back(path);
|
|
}
|
|
|
|
} else if (l.begins_with("map_Ns ")) {
|
|
//normal
|
|
ERR_FAIL_COND_V(current.is_null(), ERR_FILE_CORRUPT);
|
|
|
|
String p = l.replace("map_Ns", "").replace("\\", "/").strip_edges();
|
|
String path;
|
|
if (p.is_absolute_path()) {
|
|
path = p;
|
|
} else {
|
|
path = base_path.path_join(p);
|
|
}
|
|
|
|
Ref<Texture2D> texture = ResourceLoader::load(path);
|
|
|
|
if (texture.is_valid()) {
|
|
current->set_texture(StandardMaterial3D::TEXTURE_ROUGHNESS, texture);
|
|
} else if (r_missing_deps) {
|
|
r_missing_deps->push_back(path);
|
|
}
|
|
} else if (l.begins_with("map_bump ")) {
|
|
//normal
|
|
ERR_FAIL_COND_V(current.is_null(), ERR_FILE_CORRUPT);
|
|
|
|
String p = l.replace("map_bump", "").replace("\\", "/").strip_edges();
|
|
String path = base_path.path_join(p);
|
|
|
|
Ref<Texture2D> texture = ResourceLoader::load(path);
|
|
|
|
if (texture.is_valid()) {
|
|
current->set_feature(StandardMaterial3D::FEATURE_NORMAL_MAPPING, true);
|
|
current->set_texture(StandardMaterial3D::TEXTURE_NORMAL, texture);
|
|
} else if (r_missing_deps) {
|
|
r_missing_deps->push_back(path);
|
|
}
|
|
} else if (f->eof_reached()) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
return OK;
|
|
}
|
|
|
|
static Error _parse_obj(const String &p_path, List<Ref<Mesh>> &r_meshes, bool p_single_mesh, bool p_generate_tangents, bool p_optimize, Vector3 p_scale_mesh, Vector3 p_offset_mesh, bool p_disable_compression, List<String> *r_missing_deps) {
|
|
Ref<FileAccess> f = FileAccess::open(p_path, FileAccess::READ);
|
|
ERR_FAIL_COND_V_MSG(f.is_null(), ERR_CANT_OPEN, vformat("Couldn't open OBJ file '%s', it may not exist or not be readable.", p_path));
|
|
|
|
// Avoid trying to load/interpret potential build artifacts from Visual Studio (e.g. when compiling native plugins inside the project tree)
|
|
// This should only match, if it's indeed a COFF file header
|
|
// https://learn.microsoft.com/en-us/windows/win32/debug/pe-format#machine-types
|
|
const int first_bytes = f->get_16();
|
|
static const Vector<int> coff_header_machines{
|
|
0x0, // IMAGE_FILE_MACHINE_UNKNOWN
|
|
0x8664, // IMAGE_FILE_MACHINE_AMD64
|
|
0x1c0, // IMAGE_FILE_MACHINE_ARM
|
|
0x14c, // IMAGE_FILE_MACHINE_I386
|
|
0x200, // IMAGE_FILE_MACHINE_IA64
|
|
};
|
|
ERR_FAIL_COND_V_MSG(coff_header_machines.find(first_bytes) != -1, ERR_FILE_CORRUPT, vformat("Couldn't read OBJ file '%s', it seems to be binary, corrupted, or empty.", p_path));
|
|
f->seek(0);
|
|
|
|
Ref<ArrayMesh> mesh;
|
|
mesh.instantiate();
|
|
|
|
bool generate_tangents = p_generate_tangents;
|
|
Vector3 scale_mesh = p_scale_mesh;
|
|
Vector3 offset_mesh = p_offset_mesh;
|
|
|
|
Vector<Vector3> vertices;
|
|
Vector<Vector3> normals;
|
|
Vector<Vector2> uvs;
|
|
Vector<Color> colors;
|
|
const String default_name = "Mesh";
|
|
String name = default_name;
|
|
|
|
HashMap<String, HashMap<String, Ref<StandardMaterial3D>>> material_map;
|
|
|
|
Ref<SurfaceTool> surf_tool = memnew(SurfaceTool);
|
|
surf_tool->begin(Mesh::PRIMITIVE_TRIANGLES);
|
|
|
|
String current_material_library;
|
|
String current_material;
|
|
String current_group;
|
|
uint32_t smooth_group = 0;
|
|
bool smoothing = true;
|
|
const uint32_t no_smoothing_smooth_group = (uint32_t)-1;
|
|
|
|
while (true) {
|
|
String l = f->get_line().strip_edges();
|
|
while (l.length() && l[l.length() - 1] == '\\') {
|
|
String add = f->get_line().strip_edges();
|
|
l += add;
|
|
if (add.is_empty()) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (l.begins_with("v ")) {
|
|
//vertex
|
|
Vector<String> v = l.split(" ", false);
|
|
ERR_FAIL_COND_V(v.size() < 4, ERR_FILE_CORRUPT);
|
|
Vector3 vtx;
|
|
vtx.x = v[1].to_float() * scale_mesh.x + offset_mesh.x;
|
|
vtx.y = v[2].to_float() * scale_mesh.y + offset_mesh.y;
|
|
vtx.z = v[3].to_float() * scale_mesh.z + offset_mesh.z;
|
|
vertices.push_back(vtx);
|
|
//vertex color
|
|
if (v.size() >= 7) {
|
|
while (colors.size() < vertices.size() - 1) {
|
|
colors.push_back(Color(1.0, 1.0, 1.0));
|
|
}
|
|
Color c;
|
|
c.r = v[4].to_float();
|
|
c.g = v[5].to_float();
|
|
c.b = v[6].to_float();
|
|
colors.push_back(c);
|
|
} else if (!colors.is_empty()) {
|
|
colors.push_back(Color(1.0, 1.0, 1.0));
|
|
}
|
|
} else if (l.begins_with("vt ")) {
|
|
//uv
|
|
Vector<String> v = l.split(" ", false);
|
|
ERR_FAIL_COND_V(v.size() < 3, ERR_FILE_CORRUPT);
|
|
Vector2 uv;
|
|
uv.x = v[1].to_float();
|
|
uv.y = 1.0 - v[2].to_float();
|
|
uvs.push_back(uv);
|
|
} else if (l.begins_with("vn ")) {
|
|
//normal
|
|
Vector<String> v = l.split(" ", false);
|
|
ERR_FAIL_COND_V(v.size() < 4, ERR_FILE_CORRUPT);
|
|
Vector3 nrm;
|
|
nrm.x = v[1].to_float();
|
|
nrm.y = v[2].to_float();
|
|
nrm.z = v[3].to_float();
|
|
normals.push_back(nrm);
|
|
} else if (l.begins_with("f ")) {
|
|
//vertex
|
|
|
|
Vector<String> v = l.split(" ", false);
|
|
ERR_FAIL_COND_V(v.size() < 4, ERR_FILE_CORRUPT);
|
|
|
|
//not very fast, could be sped up
|
|
|
|
Vector<String> face[3];
|
|
face[0] = v[1].split("/");
|
|
face[1] = v[2].split("/");
|
|
ERR_FAIL_COND_V(face[0].size() == 0, ERR_FILE_CORRUPT);
|
|
|
|
ERR_FAIL_COND_V(face[0].size() != face[1].size(), ERR_FILE_CORRUPT);
|
|
for (int i = 2; i < v.size() - 1; i++) {
|
|
face[2] = v[i + 1].split("/");
|
|
|
|
ERR_FAIL_COND_V(face[0].size() != face[2].size(), ERR_FILE_CORRUPT);
|
|
for (int j = 0; j < 3; j++) {
|
|
int idx = j;
|
|
|
|
if (idx < 2) {
|
|
idx = 1 ^ idx;
|
|
}
|
|
|
|
if (face[idx].size() == 3) {
|
|
int norm = face[idx][2].to_int() - 1;
|
|
if (norm < 0) {
|
|
norm += normals.size() + 1;
|
|
}
|
|
ERR_FAIL_INDEX_V(norm, normals.size(), ERR_FILE_CORRUPT);
|
|
surf_tool->set_normal(normals[norm]);
|
|
if (generate_tangents && uvs.is_empty()) {
|
|
// We can't generate tangents without UVs, so create dummy tangents.
|
|
Vector3 tan = Vector3(0.0, 1.0, 0.0).cross(normals[norm]);
|
|
surf_tool->set_tangent(Plane(tan.x, tan.y, tan.z, 1.0));
|
|
}
|
|
} else {
|
|
// No normals, use a dummy normal since normals will be generated.
|
|
if (generate_tangents && uvs.is_empty()) {
|
|
// We can't generate tangents without UVs, so create dummy tangents.
|
|
surf_tool->set_tangent(Plane(1.0, 0.0, 0.0, 1.0));
|
|
}
|
|
}
|
|
|
|
if (face[idx].size() >= 2 && !face[idx][1].is_empty()) {
|
|
int uv = face[idx][1].to_int() - 1;
|
|
if (uv < 0) {
|
|
uv += uvs.size() + 1;
|
|
}
|
|
ERR_FAIL_INDEX_V(uv, uvs.size(), ERR_FILE_CORRUPT);
|
|
surf_tool->set_uv(uvs[uv]);
|
|
}
|
|
|
|
int vtx = face[idx][0].to_int() - 1;
|
|
if (vtx < 0) {
|
|
vtx += vertices.size() + 1;
|
|
}
|
|
ERR_FAIL_INDEX_V(vtx, vertices.size(), ERR_FILE_CORRUPT);
|
|
|
|
Vector3 vertex = vertices[vtx];
|
|
if (!colors.is_empty()) {
|
|
surf_tool->set_color(colors[vtx]);
|
|
}
|
|
surf_tool->set_smooth_group(smoothing ? smooth_group : no_smoothing_smooth_group);
|
|
surf_tool->add_vertex(vertex);
|
|
}
|
|
|
|
face[1] = face[2];
|
|
}
|
|
} else if (l.begins_with("s ")) { //smoothing
|
|
String what = l.substr(2, l.length()).strip_edges();
|
|
bool do_smooth;
|
|
if (what == "off") {
|
|
do_smooth = false;
|
|
} else {
|
|
do_smooth = true;
|
|
}
|
|
if (do_smooth != smoothing) {
|
|
smoothing = do_smooth;
|
|
if (smoothing) {
|
|
smooth_group++;
|
|
}
|
|
}
|
|
} else if (/*l.begins_with("g ") ||*/ l.begins_with("usemtl ") || (l.begins_with("o ") || f->eof_reached())) { //commit group to mesh
|
|
uint64_t mesh_flags = RS::ARRAY_FLAG_COMPRESS_ATTRIBUTES;
|
|
|
|
if (p_disable_compression) {
|
|
mesh_flags = 0;
|
|
}
|
|
//groups are too annoying
|
|
if (surf_tool->get_vertex_array().size()) {
|
|
//another group going on, commit it
|
|
if (normals.size() == 0) {
|
|
surf_tool->generate_normals();
|
|
}
|
|
|
|
if (generate_tangents && uvs.size()) {
|
|
surf_tool->generate_tangents();
|
|
}
|
|
|
|
surf_tool->index();
|
|
|
|
print_verbose("OBJ: Current material library " + current_material_library + " has " + itos(material_map.has(current_material_library)));
|
|
print_verbose("OBJ: Current material " + current_material + " has " + itos(material_map.has(current_material_library) && material_map[current_material_library].has(current_material)));
|
|
|
|
if (material_map.has(current_material_library) && material_map[current_material_library].has(current_material)) {
|
|
Ref<StandardMaterial3D> &material = material_map[current_material_library][current_material];
|
|
if (!colors.is_empty()) {
|
|
material->set_flag(StandardMaterial3D::FLAG_SRGB_VERTEX_COLOR, true);
|
|
}
|
|
surf_tool->set_material(material);
|
|
}
|
|
|
|
mesh = surf_tool->commit(mesh, mesh_flags);
|
|
|
|
if (!current_material.is_empty()) {
|
|
mesh->surface_set_name(mesh->get_surface_count() - 1, current_material.get_basename());
|
|
} else if (!current_group.is_empty()) {
|
|
mesh->surface_set_name(mesh->get_surface_count() - 1, current_group);
|
|
}
|
|
|
|
print_verbose("OBJ: Added surface :" + mesh->surface_get_name(mesh->get_surface_count() - 1));
|
|
surf_tool->clear();
|
|
surf_tool->begin(Mesh::PRIMITIVE_TRIANGLES);
|
|
}
|
|
|
|
if (l.begins_with("o ") || f->eof_reached()) {
|
|
if (!p_single_mesh) {
|
|
if (mesh->get_surface_count() > 0) {
|
|
mesh->set_name(name);
|
|
r_meshes.push_back(mesh);
|
|
mesh.instantiate();
|
|
}
|
|
name = default_name;
|
|
current_group = "";
|
|
current_material = "";
|
|
}
|
|
}
|
|
|
|
if (f->eof_reached()) {
|
|
break;
|
|
}
|
|
|
|
if (l.begins_with("o ")) {
|
|
name = l.substr(2, l.length()).strip_edges();
|
|
}
|
|
|
|
if (l.begins_with("usemtl ")) {
|
|
current_material = l.replace("usemtl", "").strip_edges();
|
|
}
|
|
|
|
if (l.begins_with("g ")) {
|
|
current_group = l.substr(2, l.length()).strip_edges();
|
|
}
|
|
|
|
} else if (l.begins_with("mtllib ")) { //parse material
|
|
|
|
current_material_library = l.replace("mtllib", "").strip_edges();
|
|
if (!material_map.has(current_material_library)) {
|
|
HashMap<String, Ref<StandardMaterial3D>> lib;
|
|
String lib_path = current_material_library;
|
|
if (lib_path.is_relative_path()) {
|
|
lib_path = p_path.get_base_dir().path_join(current_material_library);
|
|
}
|
|
Error err = _parse_material_library(lib_path, lib, r_missing_deps);
|
|
if (err == OK) {
|
|
material_map[current_material_library] = lib;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (p_single_mesh) {
|
|
r_meshes.push_back(mesh);
|
|
}
|
|
|
|
return OK;
|
|
}
|
|
|
|
Node *EditorOBJImporter::import_scene(const String &p_path, uint32_t p_flags, const HashMap<StringName, Variant> &p_options, List<String> *r_missing_deps, Error *r_err) {
|
|
List<Ref<Mesh>> meshes;
|
|
|
|
Error err = _parse_obj(p_path, meshes, false, p_flags & IMPORT_GENERATE_TANGENT_ARRAYS, false, Vector3(1, 1, 1), Vector3(0, 0, 0), p_flags & IMPORT_FORCE_DISABLE_MESH_COMPRESSION, r_missing_deps);
|
|
|
|
if (err != OK) {
|
|
if (r_err) {
|
|
*r_err = err;
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
Node3D *scene = memnew(Node3D);
|
|
|
|
for (const Ref<Mesh> &m : meshes) {
|
|
Ref<ImporterMesh> mesh;
|
|
mesh.instantiate();
|
|
mesh->set_name(m->get_name());
|
|
for (int i = 0; i < m->get_surface_count(); i++) {
|
|
mesh->add_surface(m->surface_get_primitive_type(i), m->surface_get_arrays(i), Array(), Dictionary(), m->surface_get_material(i), String(), m->surface_get_format(i));
|
|
}
|
|
|
|
ImporterMeshInstance3D *mi = memnew(ImporterMeshInstance3D);
|
|
mi->set_mesh(mesh);
|
|
mi->set_name(m->get_name());
|
|
scene->add_child(mi, true);
|
|
mi->set_owner(scene);
|
|
}
|
|
|
|
if (r_err) {
|
|
*r_err = OK;
|
|
}
|
|
|
|
return scene;
|
|
}
|
|
|
|
void EditorOBJImporter::get_extensions(List<String> *r_extensions) const {
|
|
r_extensions->push_back("obj");
|
|
}
|
|
|
|
EditorOBJImporter::EditorOBJImporter() {
|
|
}
|
|
|
|
////////////////////////////////////////////////////
|
|
|
|
String ResourceImporterOBJ::get_importer_name() const {
|
|
return "wavefront_obj";
|
|
}
|
|
|
|
String ResourceImporterOBJ::get_visible_name() const {
|
|
return "OBJ as Mesh";
|
|
}
|
|
|
|
void ResourceImporterOBJ::get_recognized_extensions(List<String> *p_extensions) const {
|
|
p_extensions->push_back("obj");
|
|
}
|
|
|
|
String ResourceImporterOBJ::get_save_extension() const {
|
|
return "mesh";
|
|
}
|
|
|
|
String ResourceImporterOBJ::get_resource_type() const {
|
|
return "Mesh";
|
|
}
|
|
|
|
int ResourceImporterOBJ::get_format_version() const {
|
|
return 1;
|
|
}
|
|
|
|
int ResourceImporterOBJ::get_preset_count() const {
|
|
return 0;
|
|
}
|
|
|
|
String ResourceImporterOBJ::get_preset_name(int p_idx) const {
|
|
return "";
|
|
}
|
|
|
|
void ResourceImporterOBJ::get_import_options(const String &p_path, List<ImportOption> *r_options, int p_preset) const {
|
|
r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "generate_tangents"), true));
|
|
r_options->push_back(ImportOption(PropertyInfo(Variant::VECTOR3, "scale_mesh"), Vector3(1, 1, 1)));
|
|
r_options->push_back(ImportOption(PropertyInfo(Variant::VECTOR3, "offset_mesh"), Vector3(0, 0, 0)));
|
|
r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "optimize_mesh"), true));
|
|
r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "force_disable_mesh_compression"), false));
|
|
}
|
|
|
|
bool ResourceImporterOBJ::get_option_visibility(const String &p_path, const String &p_option, const HashMap<StringName, Variant> &p_options) const {
|
|
return true;
|
|
}
|
|
|
|
Error ResourceImporterOBJ::import(const String &p_source_file, const String &p_save_path, const HashMap<StringName, Variant> &p_options, List<String> *r_platform_variants, List<String> *r_gen_files, Variant *r_metadata) {
|
|
List<Ref<Mesh>> meshes;
|
|
|
|
Error err = _parse_obj(p_source_file, meshes, true, p_options["generate_tangents"], p_options["optimize_mesh"], p_options["scale_mesh"], p_options["offset_mesh"], p_options["force_disable_mesh_compression"], nullptr);
|
|
|
|
ERR_FAIL_COND_V(err != OK, err);
|
|
ERR_FAIL_COND_V(meshes.size() != 1, ERR_BUG);
|
|
|
|
String save_path = p_save_path + ".mesh";
|
|
|
|
err = ResourceSaver::save(meshes.front()->get(), save_path);
|
|
|
|
ERR_FAIL_COND_V_MSG(err != OK, err, "Cannot save Mesh to file '" + save_path + "'.");
|
|
|
|
r_gen_files->push_back(save_path);
|
|
|
|
return OK;
|
|
}
|
|
|
|
ResourceImporterOBJ::ResourceImporterOBJ() {
|
|
}
|