diff options
Diffstat (limited to 'modules/gltf/extensions')
| -rw-r--r-- | modules/gltf/extensions/SCsub | 9 | ||||
| -rw-r--r-- | modules/gltf/extensions/gltf_document_extension.cpp | 133 | ||||
| -rw-r--r-- | modules/gltf/extensions/gltf_document_extension.h | 72 | ||||
| -rw-r--r-- | modules/gltf/extensions/gltf_document_extension_convert_importer_mesh.cpp | 81 | ||||
| -rw-r--r-- | modules/gltf/extensions/gltf_document_extension_convert_importer_mesh.h | 50 | ||||
| -rw-r--r-- | modules/gltf/extensions/gltf_light.cpp | 119 | ||||
| -rw-r--r-- | modules/gltf/extensions/gltf_light.h | 8 | ||||
| -rw-r--r-- | modules/gltf/extensions/gltf_spec_gloss.h | 5 |
8 files changed, 477 insertions, 0 deletions
diff --git a/modules/gltf/extensions/SCsub b/modules/gltf/extensions/SCsub new file mode 100644 index 0000000000..ad214bb79c --- /dev/null +++ b/modules/gltf/extensions/SCsub @@ -0,0 +1,9 @@ +#!/usr/bin/env python + +Import("env") +Import("env_modules") + +env_gltf = env_modules.Clone() + +# Godot source files +env_gltf.add_source_files(env.modules_sources, "*.cpp") diff --git a/modules/gltf/extensions/gltf_document_extension.cpp b/modules/gltf/extensions/gltf_document_extension.cpp new file mode 100644 index 0000000000..f997fe8f66 --- /dev/null +++ b/modules/gltf/extensions/gltf_document_extension.cpp @@ -0,0 +1,133 @@ +/*************************************************************************/ +/* gltf_document_extension.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* 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 "gltf_document_extension.h" + +void GLTFDocumentExtension::_bind_methods() { + // Import process. + GDVIRTUAL_BIND(_import_preflight, "state", "extensions"); + GDVIRTUAL_BIND(_get_supported_extensions); + GDVIRTUAL_BIND(_parse_node_extensions, "state", "gltf_node", "extensions"); + GDVIRTUAL_BIND(_generate_scene_node, "state", "gltf_node", "scene_parent"); + GDVIRTUAL_BIND(_import_post_parse, "state"); + GDVIRTUAL_BIND(_import_node, "state", "gltf_node", "json", "node"); + GDVIRTUAL_BIND(_import_post, "state", "root"); + // Export process. + GDVIRTUAL_BIND(_export_preflight, "root"); + GDVIRTUAL_BIND(_convert_scene_node, "state", "gltf_node", "scene_node"); + GDVIRTUAL_BIND(_export_node, "state", "gltf_node", "json", "node"); + GDVIRTUAL_BIND(_export_post, "state"); +} + +// Import process. +Error GLTFDocumentExtension::import_preflight(Ref<GLTFState> p_state, Vector<String> p_extensions) { + ERR_FAIL_NULL_V(p_state, ERR_INVALID_PARAMETER); + int err = OK; + GDVIRTUAL_CALL(_import_preflight, p_state, p_extensions, err); + return Error(err); +} + +Vector<String> GLTFDocumentExtension::get_supported_extensions() { + Vector<String> ret; + GDVIRTUAL_CALL(_get_supported_extensions, ret); + return ret; +} + +Error GLTFDocumentExtension::parse_node_extensions(Ref<GLTFState> p_state, Ref<GLTFNode> p_gltf_node, Dictionary &p_extensions) { + ERR_FAIL_NULL_V(p_state, ERR_INVALID_PARAMETER); + ERR_FAIL_NULL_V(p_gltf_node, ERR_INVALID_PARAMETER); + int err = OK; + GDVIRTUAL_CALL(_parse_node_extensions, p_state, p_gltf_node, p_extensions, err); + return Error(err); +} + +Node3D *GLTFDocumentExtension::generate_scene_node(Ref<GLTFState> p_state, Ref<GLTFNode> p_gltf_node, Node *p_scene_parent) { + ERR_FAIL_NULL_V(p_state, nullptr); + ERR_FAIL_NULL_V(p_gltf_node, nullptr); + ERR_FAIL_NULL_V(p_scene_parent, nullptr); + Node3D *ret_node = nullptr; + GDVIRTUAL_CALL(_generate_scene_node, p_state, p_gltf_node, p_scene_parent, ret_node); + return ret_node; +} + +Error GLTFDocumentExtension::import_post_parse(Ref<GLTFState> p_state) { + ERR_FAIL_NULL_V(p_state, ERR_INVALID_PARAMETER); + int err = OK; + GDVIRTUAL_CALL(_import_post_parse, p_state, err); + return Error(err); +} + +Error GLTFDocumentExtension::import_node(Ref<GLTFState> p_state, Ref<GLTFNode> p_gltf_node, Dictionary &r_dict, Node *p_node) { + ERR_FAIL_NULL_V(p_state, ERR_INVALID_PARAMETER); + ERR_FAIL_NULL_V(p_gltf_node, ERR_INVALID_PARAMETER); + ERR_FAIL_NULL_V(p_node, ERR_INVALID_PARAMETER); + int err = OK; + GDVIRTUAL_CALL(_import_node, p_state, p_gltf_node, r_dict, p_node, err); + return Error(err); +} + +Error GLTFDocumentExtension::import_post(Ref<GLTFState> p_state, Node *p_root) { + ERR_FAIL_NULL_V(p_root, ERR_INVALID_PARAMETER); + ERR_FAIL_NULL_V(p_state, ERR_INVALID_PARAMETER); + int err = OK; + GDVIRTUAL_CALL(_import_post, p_state, p_root, err); + return Error(err); +} + +// Export process. +Error GLTFDocumentExtension::export_preflight(Node *p_root) { + ERR_FAIL_NULL_V(p_root, ERR_INVALID_PARAMETER); + int err = OK; + GDVIRTUAL_CALL(_export_preflight, p_root, err); + return Error(err); +} + +void GLTFDocumentExtension::convert_scene_node(Ref<GLTFState> p_state, Ref<GLTFNode> p_gltf_node, Node *p_scene_node) { + ERR_FAIL_NULL(p_state); + ERR_FAIL_NULL(p_gltf_node); + ERR_FAIL_NULL(p_scene_node); + GDVIRTUAL_CALL(_convert_scene_node, p_state, p_gltf_node, p_scene_node); +} + +Error GLTFDocumentExtension::export_node(Ref<GLTFState> p_state, Ref<GLTFNode> p_gltf_node, Dictionary &r_dict, Node *p_node) { + ERR_FAIL_NULL_V(p_state, ERR_INVALID_PARAMETER); + ERR_FAIL_NULL_V(p_gltf_node, ERR_INVALID_PARAMETER); + ERR_FAIL_NULL_V(p_node, ERR_INVALID_PARAMETER); + int err = OK; + GDVIRTUAL_CALL(_export_node, p_state, p_gltf_node, r_dict, p_node, err); + return Error(err); +} + +Error GLTFDocumentExtension::export_post(Ref<GLTFState> p_state) { + ERR_FAIL_NULL_V(p_state, ERR_INVALID_PARAMETER); + int err = OK; + GDVIRTUAL_CALL(_export_post, p_state, err); + return Error(err); +} diff --git a/modules/gltf/extensions/gltf_document_extension.h b/modules/gltf/extensions/gltf_document_extension.h new file mode 100644 index 0000000000..7cc9ca592f --- /dev/null +++ b/modules/gltf/extensions/gltf_document_extension.h @@ -0,0 +1,72 @@ +/*************************************************************************/ +/* gltf_document_extension.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* 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. */ +/*************************************************************************/ + +#ifndef GLTF_DOCUMENT_EXTENSION_H +#define GLTF_DOCUMENT_EXTENSION_H + +#include "../gltf_state.h" + +class GLTFDocumentExtension : public Resource { + GDCLASS(GLTFDocumentExtension, Resource); + +protected: + static void _bind_methods(); + +public: + // Import process. + virtual Error import_preflight(Ref<GLTFState> p_state, Vector<String> p_extensions); + virtual Vector<String> get_supported_extensions(); + virtual Error parse_node_extensions(Ref<GLTFState> p_state, Ref<GLTFNode> p_gltf_node, Dictionary &p_extensions); + virtual Node3D *generate_scene_node(Ref<GLTFState> p_state, Ref<GLTFNode> p_gltf_node, Node *p_scene_parent); + virtual Error import_post_parse(Ref<GLTFState> p_state); + virtual Error import_node(Ref<GLTFState> p_state, Ref<GLTFNode> p_gltf_node, Dictionary &r_json, Node *p_node); + virtual Error import_post(Ref<GLTFState> p_state, Node *p_node); + // Export process. + virtual Error export_preflight(Node *p_state); + virtual void convert_scene_node(Ref<GLTFState> p_state, Ref<GLTFNode> p_gltf_node, Node *p_scene_node); + virtual Error export_node(Ref<GLTFState> p_state, Ref<GLTFNode> p_gltf_node, Dictionary &r_json, Node *p_node); + virtual Error export_post(Ref<GLTFState> p_state); + + // Import process. + GDVIRTUAL2R(int, _import_preflight, Ref<GLTFState>, Vector<String>); + GDVIRTUAL0R(Vector<String>, _get_supported_extensions); + GDVIRTUAL3R(int, _parse_node_extensions, Ref<GLTFState>, Ref<GLTFNode>, Dictionary); + GDVIRTUAL3R(Node3D *, _generate_scene_node, Ref<GLTFState>, Ref<GLTFNode>, Node *); + GDVIRTUAL1R(int, _import_post_parse, Ref<GLTFState>); + GDVIRTUAL4R(int, _import_node, Ref<GLTFState>, Ref<GLTFNode>, Dictionary, Node *); + GDVIRTUAL2R(int, _import_post, Ref<GLTFState>, Node *); + // Export process. + GDVIRTUAL1R(int, _export_preflight, Node *); + GDVIRTUAL3(_convert_scene_node, Ref<GLTFState>, Ref<GLTFNode>, Node *); + GDVIRTUAL4R(int, _export_node, Ref<GLTFState>, Ref<GLTFNode>, Dictionary, Node *); + GDVIRTUAL1R(int, _export_post, Ref<GLTFState>); +}; + +#endif // GLTF_DOCUMENT_EXTENSION_H diff --git a/modules/gltf/extensions/gltf_document_extension_convert_importer_mesh.cpp b/modules/gltf/extensions/gltf_document_extension_convert_importer_mesh.cpp new file mode 100644 index 0000000000..49496afb62 --- /dev/null +++ b/modules/gltf/extensions/gltf_document_extension_convert_importer_mesh.cpp @@ -0,0 +1,81 @@ +/*************************************************************************/ +/* gltf_document_extension_convert_importer_mesh.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* 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 "gltf_document_extension_convert_importer_mesh.h" + +#include "../gltf_state.h" + +#include "core/error/error_macros.h" +#include "scene/3d/mesh_instance_3d.h" +#include "scene/resources/importer_mesh.h" + +void GLTFDocumentExtensionConvertImporterMesh::_bind_methods() { +} + +Error GLTFDocumentExtensionConvertImporterMesh::import_post(Ref<GLTFState> p_state, Node *p_root) { + ERR_FAIL_NULL_V(p_root, ERR_INVALID_PARAMETER); + ERR_FAIL_NULL_V(p_state, ERR_INVALID_PARAMETER); + List<Node *> queue; + queue.push_back(p_root); + List<Node *> delete_queue; + while (!queue.is_empty()) { + List<Node *>::Element *E = queue.front(); + Node *node = E->get(); + ImporterMeshInstance3D *mesh_3d = cast_to<ImporterMeshInstance3D>(node); + if (mesh_3d) { + MeshInstance3D *mesh_instance_node_3d = memnew(MeshInstance3D); + Ref<ImporterMesh> mesh = mesh_3d->get_mesh(); + if (mesh.is_valid()) { + Ref<ArrayMesh> array_mesh = mesh->get_mesh(); + mesh_instance_node_3d->set_name(node->get_name()); + mesh_instance_node_3d->set_transform(mesh_3d->get_transform()); + mesh_instance_node_3d->set_mesh(array_mesh); + mesh_instance_node_3d->set_skin(mesh_3d->get_skin()); + mesh_instance_node_3d->set_skeleton_path(mesh_3d->get_skeleton_path()); + node->replace_by(mesh_instance_node_3d); + delete_queue.push_back(node); + } else { + memdelete(mesh_instance_node_3d); + } + } + int child_count = node->get_child_count(); + for (int i = 0; i < child_count; i++) { + queue.push_back(node->get_child(i)); + } + queue.pop_front(); + } + while (!queue.is_empty()) { + List<Node *>::Element *E = delete_queue.front(); + Node *node = E->get(); + memdelete(node); + delete_queue.pop_front(); + } + return OK; +} diff --git a/modules/gltf/extensions/gltf_document_extension_convert_importer_mesh.h b/modules/gltf/extensions/gltf_document_extension_convert_importer_mesh.h new file mode 100644 index 0000000000..00e664e73f --- /dev/null +++ b/modules/gltf/extensions/gltf_document_extension_convert_importer_mesh.h @@ -0,0 +1,50 @@ +/*************************************************************************/ +/* gltf_document_extension_convert_importer_mesh.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* 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. */ +/*************************************************************************/ + +#ifndef GLTF_DOCUMENT_EXTENSION_CONVERT_IMPORTER_MESH_H +#define GLTF_DOCUMENT_EXTENSION_CONVERT_IMPORTER_MESH_H + +#include "gltf_document_extension.h" + +#include "scene/3d/importer_mesh_instance_3d.h" +#include "scene/3d/mesh_instance_3d.h" +#include "scene/resources/importer_mesh.h" + +class GLTFDocumentExtensionConvertImporterMesh : public GLTFDocumentExtension { + GDCLASS(GLTFDocumentExtensionConvertImporterMesh, GLTFDocumentExtension); + +protected: + static void _bind_methods(); + +public: + Error import_post(Ref<GLTFState> p_state, Node *p_root) override; +}; + +#endif // GLTF_DOCUMENT_EXTENSION_CONVERT_IMPORTER_MESH_H diff --git a/modules/gltf/extensions/gltf_light.cpp b/modules/gltf/extensions/gltf_light.cpp index af21a4e804..d00bead61c 100644 --- a/modules/gltf/extensions/gltf_light.cpp +++ b/modules/gltf/extensions/gltf_light.cpp @@ -31,6 +31,12 @@ #include "gltf_light.h" void GLTFLight::_bind_methods() { + ClassDB::bind_static_method("GLTFLight", D_METHOD("from_node", "light_node"), &GLTFLight::from_node); + ClassDB::bind_method(D_METHOD("to_node"), &GLTFLight::to_node); + + ClassDB::bind_static_method("GLTFLight", D_METHOD("from_dictionary", "dictionary"), &GLTFLight::from_dictionary); + ClassDB::bind_method(D_METHOD("to_dictionary"), &GLTFLight::to_dictionary); + ClassDB::bind_method(D_METHOD("get_color"), &GLTFLight::get_color); ClassDB::bind_method(D_METHOD("set_color", "color"), &GLTFLight::set_color); ClassDB::bind_method(D_METHOD("get_intensity"), &GLTFLight::get_intensity); @@ -99,3 +105,116 @@ float GLTFLight::get_outer_cone_angle() { void GLTFLight::set_outer_cone_angle(float p_outer_cone_angle) { outer_cone_angle = p_outer_cone_angle; } + +Ref<GLTFLight> GLTFLight::from_node(const Light3D *p_light) { + Ref<GLTFLight> l; + l.instantiate(); + ERR_FAIL_COND_V_MSG(!p_light, l, "Tried to create a GLTFLight from a Light3D node, but the given node was null."); + l->color = p_light->get_color(); + if (cast_to<DirectionalLight3D>(p_light)) { + l->light_type = "directional"; + const DirectionalLight3D *light = cast_to<const DirectionalLight3D>(p_light); + l->intensity = light->get_param(DirectionalLight3D::PARAM_ENERGY); + l->range = FLT_MAX; // Range for directional lights is infinite in Godot. + } else if (cast_to<const OmniLight3D>(p_light)) { + l->light_type = "point"; + const OmniLight3D *light = cast_to<const OmniLight3D>(p_light); + l->range = light->get_param(OmniLight3D::PARAM_RANGE); + l->intensity = light->get_param(OmniLight3D::PARAM_ENERGY); + } else if (cast_to<const SpotLight3D>(p_light)) { + l->light_type = "spot"; + const SpotLight3D *light = cast_to<const SpotLight3D>(p_light); + l->range = light->get_param(SpotLight3D::PARAM_RANGE); + l->intensity = light->get_param(SpotLight3D::PARAM_ENERGY); + l->outer_cone_angle = Math::deg_to_rad(light->get_param(SpotLight3D::PARAM_SPOT_ANGLE)); + // This equation is the inverse of the import equation (which has a desmos link). + float angle_ratio = 1 - (0.2 / (0.1 + light->get_param(SpotLight3D::PARAM_SPOT_ATTENUATION))); + angle_ratio = MAX(0, angle_ratio); + l->inner_cone_angle = l->outer_cone_angle * angle_ratio; + } + return l; +} + +Light3D *GLTFLight::to_node() const { + if (light_type == "directional") { + DirectionalLight3D *light = memnew(DirectionalLight3D); + light->set_param(Light3D::PARAM_ENERGY, intensity); + light->set_color(color); + return light; + } + if (light_type == "point") { + OmniLight3D *light = memnew(OmniLight3D); + light->set_param(OmniLight3D::PARAM_ENERGY, intensity); + light->set_param(OmniLight3D::PARAM_RANGE, CLAMP(range, 0, 4096)); + light->set_color(color); + return light; + } + if (light_type == "spot") { + SpotLight3D *light = memnew(SpotLight3D); + light->set_param(SpotLight3D::PARAM_ENERGY, intensity); + light->set_param(SpotLight3D::PARAM_RANGE, CLAMP(range, 0, 4096)); + light->set_param(SpotLight3D::PARAM_SPOT_ANGLE, Math::rad_to_deg(outer_cone_angle)); + light->set_color(color); + // Line of best fit derived from guessing, see https://www.desmos.com/calculator/biiflubp8b + // The points in desmos are not exact, except for (1, infinity). + float angle_ratio = inner_cone_angle / outer_cone_angle; + float angle_attenuation = 0.2 / (1 - angle_ratio) - 0.1; + light->set_param(SpotLight3D::PARAM_SPOT_ATTENUATION, angle_attenuation); + return light; + } + return memnew(Light3D); +} + +Ref<GLTFLight> GLTFLight::from_dictionary(const Dictionary p_dictionary) { + ERR_FAIL_COND_V_MSG(!p_dictionary.has("type"), Ref<GLTFLight>(), "Failed to parse GLTF light, missing required field 'type'."); + Ref<GLTFLight> light; + light.instantiate(); + const String &type = p_dictionary["type"]; + light->light_type = type; + + if (p_dictionary.has("color")) { + const Array &arr = p_dictionary["color"]; + if (arr.size() == 3) { + light->color = Color(arr[0], arr[1], arr[2]).linear_to_srgb(); + } else { + ERR_PRINT("Error parsing GLTF light: The color must have exactly 3 numbers."); + } + } + if (p_dictionary.has("intensity")) { + light->intensity = p_dictionary["intensity"]; + } + if (p_dictionary.has("range")) { + light->range = p_dictionary["range"]; + } + if (type == "spot") { + const Dictionary &spot = p_dictionary["spot"]; + light->inner_cone_angle = spot["innerConeAngle"]; + light->outer_cone_angle = spot["outerConeAngle"]; + if (light->inner_cone_angle >= light->outer_cone_angle) { + ERR_PRINT("Error parsing GLTF light: The inner angle must be smaller than the outer angle."); + } + } else if (type != "point" && type != "directional") { + ERR_PRINT("Error parsing GLTF light: Light type '" + type + "' is unknown."); + } + return light; +} + +Dictionary GLTFLight::to_dictionary() const { + Dictionary d; + Array color_array; + color_array.resize(3); + color_array[0] = color.r; + color_array[1] = color.g; + color_array[2] = color.b; + d["color"] = color_array; + d["type"] = light_type; + if (light_type == "spot") { + Dictionary spot_dict; + spot_dict["innerConeAngle"] = inner_cone_angle; + spot_dict["outerConeAngle"] = outer_cone_angle; + d["spot"] = spot_dict; + } + d["intensity"] = intensity; + d["range"] = range; + return d; +} diff --git a/modules/gltf/extensions/gltf_light.h b/modules/gltf/extensions/gltf_light.h index 58fa299dfd..04980e144c 100644 --- a/modules/gltf/extensions/gltf_light.h +++ b/modules/gltf/extensions/gltf_light.h @@ -35,6 +35,8 @@ #include "core/io/resource.h" #include "scene/3d/light_3d.h" +// https://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Khronos/KHR_lights_punctual + class GLTFLight : public Resource { GDCLASS(GLTFLight, Resource) friend class GLTFDocument; @@ -68,6 +70,12 @@ public: float get_outer_cone_angle(); void set_outer_cone_angle(float p_outer_cone_angle); + + static Ref<GLTFLight> from_node(const Light3D *p_light); + Light3D *to_node() const; + + static Ref<GLTFLight> from_dictionary(const Dictionary p_dictionary); + Dictionary to_dictionary() const; }; #endif // GLTF_LIGHT_H diff --git a/modules/gltf/extensions/gltf_spec_gloss.h b/modules/gltf/extensions/gltf_spec_gloss.h index a45fa4296c..2b4d3ee609 100644 --- a/modules/gltf/extensions/gltf_spec_gloss.h +++ b/modules/gltf/extensions/gltf_spec_gloss.h @@ -34,6 +34,11 @@ #include "core/io/image.h" #include "core/io/resource.h" +// KHR_materials_pbrSpecularGlossiness is an archived GLTF extension. +// This means that it is deprecated and not recommended for new files. +// However, it is still supported for loading old files. +// https://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Archived/KHR_materials_pbrSpecularGlossiness + class GLTFSpecGloss : public Resource { GDCLASS(GLTFSpecGloss, Resource); friend class GLTFDocument; 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