a7f49ac9a1
Happy new year to the wonderful Godot community! We're starting a new decade with a well-established, non-profit, free and open source game engine, and tons of further improvements in the pipeline from hundreds of contributors. Godot will keep getting better, and we're looking forward to all the games that the community will keep developing and releasing with it.
446 lines
18 KiB
C++
446 lines
18 KiB
C++
/*************************************************************************/
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/* import_utils.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef IMPORT_UTILS_IMPORTER_ASSIMP_H
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#define IMPORT_UTILS_IMPORTER_ASSIMP_H
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#include "core/io/image_loader.h"
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#include "import_state.h"
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#include <assimp/SceneCombiner.h>
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#include <assimp/cexport.h>
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#include <assimp/cimport.h>
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#include <assimp/matrix4x4.h>
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#include <assimp/pbrmaterial.h>
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#include <assimp/postprocess.h>
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#include <assimp/scene.h>
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#include <assimp/DefaultLogger.hpp>
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#include <assimp/Importer.hpp>
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#include <assimp/LogStream.hpp>
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#include <assimp/Logger.hpp>
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#include <string>
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using namespace AssimpImporter;
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#define AI_PROPERTIES aiTextureType_UNKNOWN, 0
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#define AI_NULL 0, 0
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#define AI_MATKEY_FBX_MAYA_BASE_COLOR_FACTOR "$raw.Maya|baseColor"
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#define AI_MATKEY_FBX_MAYA_METALNESS_FACTOR "$raw.Maya|metalness"
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#define AI_MATKEY_FBX_MAYA_DIFFUSE_ROUGHNESS_FACTOR "$raw.Maya|diffuseRoughness"
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#define AI_MATKEY_FBX_MAYA_EMISSION_TEXTURE "$raw.Maya|emissionColor|file"
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#define AI_MATKEY_FBX_MAYA_EMISSIVE_FACTOR "$raw.Maya|emission"
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#define AI_MATKEY_FBX_MAYA_METALNESS_TEXTURE "$raw.Maya|metalness|file"
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#define AI_MATKEY_FBX_MAYA_METALNESS_UV_XFORM "$raw.Maya|metalness|uvtrafo"
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#define AI_MATKEY_FBX_MAYA_DIFFUSE_ROUGHNESS_TEXTURE "$raw.Maya|diffuseRoughness|file"
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#define AI_MATKEY_FBX_MAYA_DIFFUSE_ROUGHNESS_UV_XFORM "$raw.Maya|diffuseRoughness|uvtrafo"
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#define AI_MATKEY_FBX_MAYA_BASE_COLOR_TEXTURE "$raw.Maya|baseColor|file"
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#define AI_MATKEY_FBX_MAYA_BASE_COLOR_UV_XFORM "$raw.Maya|baseColor|uvtrafo"
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#define AI_MATKEY_FBX_MAYA_NORMAL_TEXTURE "$raw.Maya|normalCamera|file"
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#define AI_MATKEY_FBX_MAYA_NORMAL_UV_XFORM "$raw.Maya|normalCamera|uvtrafo"
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#define AI_MATKEY_FBX_NORMAL_TEXTURE "$raw.Maya|normalCamera|file"
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#define AI_MATKEY_FBX_NORMAL_UV_XFORM "$raw.Maya|normalCamera|uvtrafo"
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#define AI_MATKEY_FBX_MAYA_STINGRAY_DISPLACEMENT_SCALING_FACTOR "$raw.Maya|displacementscaling"
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#define AI_MATKEY_FBX_MAYA_STINGRAY_BASE_COLOR_FACTOR "$raw.Maya|base_color"
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#define AI_MATKEY_FBX_MAYA_STINGRAY_EMISSIVE_FACTOR "$raw.Maya|emissive"
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#define AI_MATKEY_FBX_MAYA_STINGRAY_METALLIC_FACTOR "$raw.Maya|metallic"
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#define AI_MATKEY_FBX_MAYA_STINGRAY_ROUGHNESS_FACTOR "$raw.Maya|roughness"
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#define AI_MATKEY_FBX_MAYA_STINGRAY_EMISSIVE_INTENSITY_FACTOR "$raw.Maya|emissive_intensity"
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#define AI_MATKEY_FBX_MAYA_STINGRAY_NORMAL_TEXTURE "$raw.Maya|TEX_normal_map|file"
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#define AI_MATKEY_FBX_MAYA_STINGRAY_NORMAL_UV_XFORM "$raw.Maya|TEX_normal_map|uvtrafo"
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#define AI_MATKEY_FBX_MAYA_STINGRAY_COLOR_TEXTURE "$raw.Maya|TEX_color_map|file"
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#define AI_MATKEY_FBX_MAYA_STINGRAY_COLOR_UV_XFORM "$raw.Maya|TEX_color_map|uvtrafo"
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#define AI_MATKEY_FBX_MAYA_STINGRAY_METALLIC_TEXTURE "$raw.Maya|TEX_metallic_map|file"
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#define AI_MATKEY_FBX_MAYA_STINGRAY_METALLIC_UV_XFORM "$raw.Maya|TEX_metallic_map|uvtrafo"
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#define AI_MATKEY_FBX_MAYA_STINGRAY_ROUGHNESS_TEXTURE "$raw.Maya|TEX_roughness_map|file"
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#define AI_MATKEY_FBX_MAYA_STINGRAY_ROUGHNESS_UV_XFORM "$raw.Maya|TEX_roughness_map|uvtrafo"
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#define AI_MATKEY_FBX_MAYA_STINGRAY_EMISSIVE_TEXTURE "$raw.Maya|TEX_emissive_map|file"
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#define AI_MATKEY_FBX_MAYA_STINGRAY_EMISSIVE_UV_XFORM "$raw.Maya|TEX_emissive_map|uvtrafo"
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#define AI_MATKEY_FBX_MAYA_STINGRAY_AO_TEXTURE "$raw.Maya|TEX_ao_map|file"
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#define AI_MATKEY_FBX_MAYA_STINGRAY_AO_UV_XFORM "$raw.Maya|TEX_ao_map|uvtrafo"
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/**
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* Assimp Utils
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* Conversion tools / glue code to convert from assimp to godot
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*/
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class AssimpUtils {
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public:
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/**
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* calculate tangents for mesh data from assimp data
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*/
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static void calc_tangent_from_mesh(const aiMesh *ai_mesh, int i, int tri_index, int index, PoolColorArray::Write &w) {
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const aiVector3D normals = ai_mesh->mAnimMeshes[i]->mNormals[tri_index];
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const Vector3 godot_normal = Vector3(normals.x, normals.y, normals.z);
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const aiVector3D tangent = ai_mesh->mAnimMeshes[i]->mTangents[tri_index];
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const Vector3 godot_tangent = Vector3(tangent.x, tangent.y, tangent.z);
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const aiVector3D bitangent = ai_mesh->mAnimMeshes[i]->mBitangents[tri_index];
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const Vector3 godot_bitangent = Vector3(bitangent.x, bitangent.y, bitangent.z);
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float d = godot_normal.cross(godot_tangent).dot(godot_bitangent) > 0.0f ? 1.0f : -1.0f;
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Color plane_tangent = Color(tangent.x, tangent.y, tangent.z, d);
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w[index] = plane_tangent;
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}
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struct AssetImportFbx {
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enum ETimeMode {
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TIME_MODE_DEFAULT = 0,
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TIME_MODE_120 = 1,
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TIME_MODE_100 = 2,
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TIME_MODE_60 = 3,
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TIME_MODE_50 = 4,
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TIME_MODE_48 = 5,
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TIME_MODE_30 = 6,
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TIME_MODE_30_DROP = 7,
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TIME_MODE_NTSC_DROP_FRAME = 8,
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TIME_MODE_NTSC_FULL_FRAME = 9,
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TIME_MODE_PAL = 10,
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TIME_MODE_CINEMA = 11,
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TIME_MODE_1000 = 12,
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TIME_MODE_CINEMA_ND = 13,
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TIME_MODE_CUSTOM = 14,
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TIME_MODE_TIME_MODE_COUNT = 15
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};
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enum UpAxis {
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UP_VECTOR_AXIS_X = 1,
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UP_VECTOR_AXIS_Y = 2,
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UP_VECTOR_AXIS_Z = 3
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};
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enum FrontAxis {
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FRONT_PARITY_EVEN = 1,
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FRONT_PARITY_ODD = 2,
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};
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enum CoordAxis {
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COORD_RIGHT = 0,
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COORD_LEFT = 1
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};
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};
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/** Get assimp string
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* automatically filters the string data
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*/
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static String get_assimp_string(const aiString &p_string) {
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//convert an assimp String to a Godot String
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String name;
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name.parse_utf8(p_string.C_Str() /*,p_string.length*/);
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if (name.find(":") != -1) {
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String replaced_name = name.split(":")[1];
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print_verbose("Replacing " + name + " containing : with " + replaced_name);
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name = replaced_name;
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}
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return name;
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}
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static String get_anim_string_from_assimp(const aiString &p_string) {
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String name;
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name.parse_utf8(p_string.C_Str() /*,p_string.length*/);
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if (name.find(":") != -1) {
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String replaced_name = name.split(":")[1];
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print_verbose("Replacing " + name + " containing : with " + replaced_name);
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name = replaced_name;
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}
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return name;
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}
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/**
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* No filter logic get_raw_string_from_assimp
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* This just convers the aiString to a parsed utf8 string
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* Without removing special chars etc
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*/
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static String get_raw_string_from_assimp(const aiString &p_string) {
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String name;
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name.parse_utf8(p_string.C_Str() /*,p_string.length*/);
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return name;
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}
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static Ref<Animation> import_animation(const String &p_path, uint32_t p_flags, int p_bake_fps) {
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return Ref<Animation>();
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}
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/**
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* Converts aiMatrix4x4 to godot Transform
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*/
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static const Transform assimp_matrix_transform(const aiMatrix4x4 p_matrix) {
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aiMatrix4x4 matrix = p_matrix;
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Transform xform;
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xform.set(matrix.a1, matrix.a2, matrix.a3, matrix.b1, matrix.b2, matrix.b3, matrix.c1, matrix.c2, matrix.c3, matrix.a4, matrix.b4, matrix.c4);
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return xform;
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}
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/** Get fbx fps for time mode meta data
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*/
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static float get_fbx_fps(int32_t time_mode, const aiScene *p_scene) {
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switch (time_mode) {
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case AssetImportFbx::TIME_MODE_DEFAULT: return 24; //hack
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case AssetImportFbx::TIME_MODE_120: return 120;
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case AssetImportFbx::TIME_MODE_100: return 100;
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case AssetImportFbx::TIME_MODE_60: return 60;
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case AssetImportFbx::TIME_MODE_50: return 50;
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case AssetImportFbx::TIME_MODE_48: return 48;
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case AssetImportFbx::TIME_MODE_30: return 30;
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case AssetImportFbx::TIME_MODE_30_DROP: return 30;
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case AssetImportFbx::TIME_MODE_NTSC_DROP_FRAME: return 29.9700262f;
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case AssetImportFbx::TIME_MODE_NTSC_FULL_FRAME: return 29.9700262f;
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case AssetImportFbx::TIME_MODE_PAL: return 25;
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case AssetImportFbx::TIME_MODE_CINEMA: return 24;
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case AssetImportFbx::TIME_MODE_1000: return 1000;
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case AssetImportFbx::TIME_MODE_CINEMA_ND: return 23.976f;
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case AssetImportFbx::TIME_MODE_CUSTOM:
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int32_t frame_rate = -1;
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p_scene->mMetaData->Get("FrameRate", frame_rate);
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return frame_rate;
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}
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return 0;
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}
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/**
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* Get global transform for the current node - so we can use world space rather than
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* local space coordinates
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* useful if you need global - although recommend using local wherever possible over global
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* as you could break fbx scaling :)
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*/
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static Transform _get_global_assimp_node_transform(const aiNode *p_current_node) {
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aiNode const *current_node = p_current_node;
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Transform xform;
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while (current_node != NULL) {
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xform = assimp_matrix_transform(current_node->mTransformation) * xform;
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current_node = current_node->mParent;
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}
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return xform;
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}
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/**
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* Find hardcoded textures from assimp which could be in many different directories
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*/
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static void find_texture_path(const String &p_path, _Directory &dir, String &path, bool &found, String extension) {
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Vector<String> paths;
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paths.push_back(path.get_basename() + extension);
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paths.push_back(path + extension);
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paths.push_back(path);
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paths.push_back(p_path.get_base_dir().plus_file(path.get_file().get_basename() + extension));
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paths.push_back(p_path.get_base_dir().plus_file(path.get_file() + extension));
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paths.push_back(p_path.get_base_dir().plus_file(path.get_file()));
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paths.push_back(p_path.get_base_dir().plus_file("textures/" + path.get_file().get_basename() + extension));
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paths.push_back(p_path.get_base_dir().plus_file("textures/" + path.get_file() + extension));
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paths.push_back(p_path.get_base_dir().plus_file("textures/" + path.get_file()));
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paths.push_back(p_path.get_base_dir().plus_file("Textures/" + path.get_file().get_basename() + extension));
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paths.push_back(p_path.get_base_dir().plus_file("Textures/" + path.get_file() + extension));
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paths.push_back(p_path.get_base_dir().plus_file("Textures/" + path.get_file()));
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paths.push_back(p_path.get_base_dir().plus_file("../Textures/" + path.get_file() + extension));
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paths.push_back(p_path.get_base_dir().plus_file("../Textures/" + path.get_file().get_basename() + extension));
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paths.push_back(p_path.get_base_dir().plus_file("../Textures/" + path.get_file()));
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paths.push_back(p_path.get_base_dir().plus_file("../textures/" + path.get_file().get_basename() + extension));
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paths.push_back(p_path.get_base_dir().plus_file("../textures/" + path.get_file() + extension));
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paths.push_back(p_path.get_base_dir().plus_file("../textures/" + path.get_file()));
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paths.push_back(p_path.get_base_dir().plus_file("texture/" + path.get_file().get_basename() + extension));
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paths.push_back(p_path.get_base_dir().plus_file("texture/" + path.get_file() + extension));
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paths.push_back(p_path.get_base_dir().plus_file("texture/" + path.get_file()));
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paths.push_back(p_path.get_base_dir().plus_file("Texture/" + path.get_file().get_basename() + extension));
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paths.push_back(p_path.get_base_dir().plus_file("Texture/" + path.get_file() + extension));
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paths.push_back(p_path.get_base_dir().plus_file("Texture/" + path.get_file()));
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paths.push_back(p_path.get_base_dir().plus_file("../Texture/" + path.get_file() + extension));
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paths.push_back(p_path.get_base_dir().plus_file("../Texture/" + path.get_file().get_basename() + extension));
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paths.push_back(p_path.get_base_dir().plus_file("../Texture/" + path.get_file()));
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paths.push_back(p_path.get_base_dir().plus_file("../texture/" + path.get_file().get_basename() + extension));
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paths.push_back(p_path.get_base_dir().plus_file("../texture/" + path.get_file() + extension));
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paths.push_back(p_path.get_base_dir().plus_file("../texture/" + path.get_file()));
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for (int i = 0; i < paths.size(); i++) {
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if (dir.file_exists(paths[i])) {
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found = true;
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path = paths[i];
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return;
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}
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}
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}
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/** find the texture path for the supplied fbx path inside godot
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* very simple lookup for subfolders etc for a texture which may or may not be in a directory
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*/
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static void find_texture_path(const String &r_p_path, String &r_path, bool &r_found) {
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_Directory dir;
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List<String> exts;
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ImageLoader::get_recognized_extensions(&exts);
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Vector<String> split_path = r_path.get_basename().split("*");
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if (split_path.size() == 2) {
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r_found = true;
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return;
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}
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if (dir.file_exists(r_p_path.get_base_dir() + r_path.get_file())) {
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r_path = r_p_path.get_base_dir() + r_path.get_file();
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r_found = true;
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return;
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}
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for (int32_t i = 0; i < exts.size(); i++) {
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if (r_found) {
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return;
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}
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find_texture_path(r_p_path, dir, r_path, r_found, "." + exts[i]);
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}
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}
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/**
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* set_texture_mapping_mode
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* Helper to check the mapping mode of the texture (repeat, clamp and mirror)
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*/
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static void set_texture_mapping_mode(aiTextureMapMode *map_mode, Ref<ImageTexture> texture) {
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ERR_FAIL_COND(texture.is_null());
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ERR_FAIL_COND(map_mode == NULL);
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aiTextureMapMode tex_mode = map_mode[0];
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int32_t flags = Texture::FLAGS_DEFAULT;
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if (tex_mode == aiTextureMapMode_Wrap) {
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//Default
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} else if (tex_mode == aiTextureMapMode_Clamp) {
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flags = flags & ~Texture::FLAG_REPEAT;
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} else if (tex_mode == aiTextureMapMode_Mirror) {
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flags = flags | Texture::FLAG_MIRRORED_REPEAT;
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}
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texture->set_flags(flags);
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}
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/**
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* Load or load from cache image :)
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*/
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static Ref<Image> load_image(ImportState &state, const aiScene *p_scene, String p_path) {
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Map<String, Ref<Image> >::Element *match = state.path_to_image_cache.find(p_path);
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// if our cache contains this image then don't bother
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if (match) {
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return match->get();
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}
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Vector<String> split_path = p_path.get_basename().split("*");
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if (split_path.size() == 2) {
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size_t texture_idx = split_path[1].to_int();
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ERR_FAIL_COND_V(texture_idx >= p_scene->mNumTextures, Ref<Image>());
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aiTexture *tex = p_scene->mTextures[texture_idx];
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String filename = AssimpUtils::get_raw_string_from_assimp(tex->mFilename);
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filename = filename.get_file();
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print_verbose("Open Asset Import: Loading embedded texture " + filename);
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if (tex->mHeight == 0) {
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if (tex->CheckFormat("png")) {
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Ref<Image> img = Image::_png_mem_loader_func((uint8_t *)tex->pcData, tex->mWidth);
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ERR_FAIL_COND_V(img.is_null(), Ref<Image>());
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state.path_to_image_cache.insert(p_path, img);
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return img;
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} else if (tex->CheckFormat("jpg")) {
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Ref<Image> img = Image::_jpg_mem_loader_func((uint8_t *)tex->pcData, tex->mWidth);
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ERR_FAIL_COND_V(img.is_null(), Ref<Image>());
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state.path_to_image_cache.insert(p_path, img);
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return img;
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} else if (tex->CheckFormat("dds")) {
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ERR_FAIL_COND_V_MSG(true, Ref<Image>(), "Open Asset Import: Embedded dds not implemented");
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}
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} else {
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Ref<Image> img;
|
|
img.instance();
|
|
PoolByteArray arr;
|
|
uint32_t size = tex->mWidth * tex->mHeight;
|
|
arr.resize(size);
|
|
memcpy(arr.write().ptr(), tex->pcData, size);
|
|
ERR_FAIL_COND_V(arr.size() % 4 != 0, Ref<Image>());
|
|
//ARGB8888 to RGBA8888
|
|
for (int32_t i = 0; i < arr.size() / 4; i++) {
|
|
arr.write().ptr()[(4 * i) + 3] = arr[(4 * i) + 0];
|
|
arr.write().ptr()[(4 * i) + 0] = arr[(4 * i) + 1];
|
|
arr.write().ptr()[(4 * i) + 1] = arr[(4 * i) + 2];
|
|
arr.write().ptr()[(4 * i) + 2] = arr[(4 * i) + 3];
|
|
}
|
|
img->create(tex->mWidth, tex->mHeight, true, Image::FORMAT_RGBA8, arr);
|
|
ERR_FAIL_COND_V(img.is_null(), Ref<Image>());
|
|
state.path_to_image_cache.insert(p_path, img);
|
|
return img;
|
|
}
|
|
return Ref<Image>();
|
|
} else {
|
|
Ref<Texture> texture = ResourceLoader::load(p_path);
|
|
ERR_FAIL_COND_V(texture.is_null(), Ref<Image>());
|
|
Ref<Image> image = texture->get_data();
|
|
ERR_FAIL_COND_V(image.is_null(), Ref<Image>());
|
|
state.path_to_image_cache.insert(p_path, image);
|
|
return image;
|
|
}
|
|
|
|
return Ref<Image>();
|
|
}
|
|
|
|
/* create texture from assimp data, if found in path */
|
|
static bool CreateAssimpTexture(
|
|
AssimpImporter::ImportState &state,
|
|
aiString texture_path,
|
|
String &filename,
|
|
String &path,
|
|
AssimpImageData &image_state) {
|
|
filename = get_raw_string_from_assimp(texture_path);
|
|
path = state.path.get_base_dir().plus_file(filename.replace("\\", "/"));
|
|
bool found = false;
|
|
find_texture_path(state.path, path, found);
|
|
if (found) {
|
|
image_state.raw_image = AssimpUtils::load_image(state, state.assimp_scene, path);
|
|
if (image_state.raw_image.is_valid()) {
|
|
image_state.texture.instance();
|
|
image_state.texture->create_from_image(image_state.raw_image);
|
|
image_state.texture->set_storage(ImageTexture::STORAGE_COMPRESS_LOSSY);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
/** GetAssimpTexture
|
|
* Designed to retrieve textures for you
|
|
*/
|
|
static bool GetAssimpTexture(
|
|
AssimpImporter::ImportState &state,
|
|
aiMaterial *ai_material,
|
|
aiTextureType texture_type,
|
|
String &filename,
|
|
String &path,
|
|
AssimpImageData &image_state) {
|
|
aiString ai_filename = aiString();
|
|
if (AI_SUCCESS == ai_material->GetTexture(texture_type, 0, &ai_filename, NULL, NULL, NULL, NULL, image_state.map_mode)) {
|
|
return CreateAssimpTexture(state, ai_filename, filename, path, image_state);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
};
|
|
|
|
#endif // IMPORT_UTILS_IMPORTER_ASSIMP_H
|