/*************************************************************************/ /* editor_preview_plugins.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 "editor_preview_plugins.h" #include "core/config/project_settings.h" #include "core/io/file_access_memory.h" #include "core/io/resource_loader.h" #include "core/os/os.h" #include "editor/editor_paths.h" #include "editor/editor_scale.h" #include "editor/editor_settings.h" #include "scene/resources/bit_map.h" #include "scene/resources/font.h" #include "scene/resources/material.h" #include "scene/resources/mesh.h" #include "servers/audio/audio_stream.h" void post_process_preview(Ref<Image> p_image) { if (p_image->get_format() != Image::FORMAT_RGBA8) { p_image->convert(Image::FORMAT_RGBA8); } const int w = p_image->get_width(); const int h = p_image->get_height(); const int r = MIN(w, h) / 32; const int r2 = r * r; Color transparent = Color(0, 0, 0, 0); for (int i = 0; i < r; i++) { for (int j = 0; j < r; j++) { int dx = i - r; int dy = j - r; if (dx * dx + dy * dy > r2) { p_image->set_pixel(i, j, transparent); p_image->set_pixel(w - 1 - i, j, transparent); p_image->set_pixel(w - 1 - i, h - 1 - j, transparent); p_image->set_pixel(i, h - 1 - j, transparent); } else { break; } } } } bool EditorTexturePreviewPlugin::handles(const String &p_type) const { return ClassDB::is_parent_class(p_type, "Texture2D"); } bool EditorTexturePreviewPlugin::generate_small_preview_automatically() const { return true; } Ref<Texture2D> EditorTexturePreviewPlugin::generate(const Ref<Resource> &p_from, const Size2 &p_size) const { Ref<Image> img; Ref<AtlasTexture> atex = p_from; if (atex.is_valid()) { Ref<Texture2D> tex = atex->get_atlas(); if (!tex.is_valid()) { return Ref<Texture2D>(); } Ref<Image> atlas = tex->get_image(); if (!atlas.is_valid()) { return Ref<Texture2D>(); } img = atlas->get_region(atex->get_region()); } else { Ref<Texture2D> tex = p_from; if (tex.is_valid()) { img = tex->get_image(); if (img.is_valid()) { img = img->duplicate(); } } } if (img.is_null() || img->is_empty()) { return Ref<Texture2D>(); } img->clear_mipmaps(); if (img->is_compressed()) { if (img->decompress() != OK) { return Ref<Texture2D>(); } } else if (img->get_format() != Image::FORMAT_RGB8 && img->get_format() != Image::FORMAT_RGBA8) { img->convert(Image::FORMAT_RGBA8); } Vector2 new_size = img->get_size(); if (new_size.x > p_size.x) { new_size = Vector2(p_size.x, new_size.y * p_size.x / new_size.x); } if (new_size.y > p_size.y) { new_size = Vector2(new_size.x * p_size.y / new_size.y, p_size.y); } Vector2i new_size_i(MAX(1, (int)new_size.x), MAX(1, (int)new_size.y)); img->resize(new_size_i.x, new_size_i.y, Image::INTERPOLATE_CUBIC); post_process_preview(img); return ImageTexture::create_from_image(img); } EditorTexturePreviewPlugin::EditorTexturePreviewPlugin() { } //////////////////////////////////////////////////////////////////////////// bool EditorImagePreviewPlugin::handles(const String &p_type) const { return p_type == "Image"; } Ref<Texture2D> EditorImagePreviewPlugin::generate(const Ref<Resource> &p_from, const Size2 &p_size) const { Ref<Image> img = p_from; if (img.is_null() || img->is_empty()) { return Ref<Image>(); } img = img->duplicate(); img->clear_mipmaps(); if (img->is_compressed()) { if (img->decompress() != OK) { return Ref<Image>(); } } else if (img->get_format() != Image::FORMAT_RGB8 && img->get_format() != Image::FORMAT_RGBA8) { img->convert(Image::FORMAT_RGBA8); } Vector2 new_size = img->get_size(); if (new_size.x > p_size.x) { new_size = Vector2(p_size.x, new_size.y * p_size.x / new_size.x); } if (new_size.y > p_size.y) { new_size = Vector2(new_size.x * p_size.y / new_size.y, p_size.y); } img->resize(new_size.x, new_size.y, Image::INTERPOLATE_CUBIC); post_process_preview(img); return ImageTexture::create_from_image(img); } EditorImagePreviewPlugin::EditorImagePreviewPlugin() { } bool EditorImagePreviewPlugin::generate_small_preview_automatically() const { return true; } //////////////////////////////////////////////////////////////////////////// bool EditorBitmapPreviewPlugin::handles(const String &p_type) const { return ClassDB::is_parent_class(p_type, "BitMap"); } Ref<Texture2D> EditorBitmapPreviewPlugin::generate(const Ref<Resource> &p_from, const Size2 &p_size) const { Ref<BitMap> bm = p_from; if (bm->get_size() == Size2()) { return Ref<Texture2D>(); } Vector<uint8_t> data; data.resize(bm->get_size().width * bm->get_size().height); { uint8_t *w = data.ptrw(); for (int i = 0; i < bm->get_size().width; i++) { for (int j = 0; j < bm->get_size().height; j++) { if (bm->get_bit(i, j)) { w[j * (int)bm->get_size().width + i] = 255; } else { w[j * (int)bm->get_size().width + i] = 0; } } } } Ref<Image> img = Image::create_from_data(bm->get_size().width, bm->get_size().height, false, Image::FORMAT_L8, data); if (img->is_compressed()) { if (img->decompress() != OK) { return Ref<Texture2D>(); } } else if (img->get_format() != Image::FORMAT_RGB8 && img->get_format() != Image::FORMAT_RGBA8) { img->convert(Image::FORMAT_RGBA8); } Vector2 new_size = img->get_size(); if (new_size.x > p_size.x) { new_size = Vector2(p_size.x, new_size.y * p_size.x / new_size.x); } if (new_size.y > p_size.y) { new_size = Vector2(new_size.x * p_size.y / new_size.y, p_size.y); } img->resize(new_size.x, new_size.y, Image::INTERPOLATE_CUBIC); post_process_preview(img); return ImageTexture::create_from_image(img); } bool EditorBitmapPreviewPlugin::generate_small_preview_automatically() const { return true; } EditorBitmapPreviewPlugin::EditorBitmapPreviewPlugin() { } /////////////////////////////////////////////////////////////////////////// bool EditorPackedScenePreviewPlugin::handles(const String &p_type) const { return ClassDB::is_parent_class(p_type, "PackedScene"); } Ref<Texture2D> EditorPackedScenePreviewPlugin::generate(const Ref<Resource> &p_from, const Size2 &p_size) const { return generate_from_path(p_from->get_path(), p_size); } Ref<Texture2D> EditorPackedScenePreviewPlugin::generate_from_path(const String &p_path, const Size2 &p_size) const { String temp_path = EditorPaths::get_singleton()->get_cache_dir(); String cache_base = ProjectSettings::get_singleton()->globalize_path(p_path).md5_text(); cache_base = temp_path.path_join("resthumb-" + cache_base); //does not have it, try to load a cached thumbnail String path = cache_base + ".png"; if (!FileAccess::exists(path)) { return Ref<Texture2D>(); } Ref<Image> img; img.instantiate(); Error err = img->load(path); if (err == OK) { post_process_preview(img); return ImageTexture::create_from_image(img); } else { return Ref<Texture2D>(); } } EditorPackedScenePreviewPlugin::EditorPackedScenePreviewPlugin() { } ////////////////////////////////////////////////////////////////// void EditorMaterialPreviewPlugin::_generate_frame_started() { RS::get_singleton()->viewport_set_update_mode(viewport, RS::VIEWPORT_UPDATE_ONCE); //once used for capture RS::get_singleton()->request_frame_drawn_callback(callable_mp(const_cast<EditorMaterialPreviewPlugin *>(this), &EditorMaterialPreviewPlugin::_preview_done)); } void EditorMaterialPreviewPlugin::_preview_done() { preview_done.post(); } bool EditorMaterialPreviewPlugin::handles(const String &p_type) const { return ClassDB::is_parent_class(p_type, "Material"); // Any material. } bool EditorMaterialPreviewPlugin::generate_small_preview_automatically() const { return true; } Ref<Texture2D> EditorMaterialPreviewPlugin::generate(const Ref<Resource> &p_from, const Size2 &p_size) const { Ref<Material> material = p_from; ERR_FAIL_COND_V(material.is_null(), Ref<Texture2D>()); if (material->get_shader_mode() == Shader::MODE_SPATIAL) { RS::get_singleton()->mesh_surface_set_material(sphere, 0, material->get_rid()); RS::get_singleton()->connect(SNAME("frame_pre_draw"), callable_mp(const_cast<EditorMaterialPreviewPlugin *>(this), &EditorMaterialPreviewPlugin::_generate_frame_started), Object::CONNECT_ONE_SHOT); preview_done.wait(); Ref<Image> img = RS::get_singleton()->texture_2d_get(viewport_texture); RS::get_singleton()->mesh_surface_set_material(sphere, 0, RID()); ERR_FAIL_COND_V(!img.is_valid(), Ref<ImageTexture>()); img->convert(Image::FORMAT_RGBA8); int thumbnail_size = MAX(p_size.x, p_size.y); img->resize(thumbnail_size, thumbnail_size, Image::INTERPOLATE_CUBIC); post_process_preview(img); return ImageTexture::create_from_image(img); } return Ref<Texture2D>(); } EditorMaterialPreviewPlugin::EditorMaterialPreviewPlugin() { scenario = RS::get_singleton()->scenario_create(); viewport = RS::get_singleton()->viewport_create(); RS::get_singleton()->viewport_set_update_mode(viewport, RS::VIEWPORT_UPDATE_DISABLED); RS::get_singleton()->viewport_set_scenario(viewport, scenario); RS::get_singleton()->viewport_set_size(viewport, 128, 128); RS::get_singleton()->viewport_set_transparent_background(viewport, true); RS::get_singleton()->viewport_set_active(viewport, true); viewport_texture = RS::get_singleton()->viewport_get_texture(viewport); camera = RS::get_singleton()->camera_create(); RS::get_singleton()->viewport_attach_camera(viewport, camera); RS::get_singleton()->camera_set_transform(camera, Transform3D(Basis(), Vector3(0, 0, 3))); RS::get_singleton()->camera_set_perspective(camera, 45, 0.1, 10); if (GLOBAL_GET("rendering/lights_and_shadows/use_physical_light_units")) { camera_attributes = RS::get_singleton()->camera_attributes_create(); RS::get_singleton()->camera_attributes_set_exposure(camera_attributes, 1.0, 0.000032552); // Matches default CameraAttributesPhysical to work well with default DirectionalLight3Ds. RS::get_singleton()->camera_set_camera_attributes(camera, camera_attributes); } light = RS::get_singleton()->directional_light_create(); light_instance = RS::get_singleton()->instance_create2(light, scenario); RS::get_singleton()->instance_set_transform(light_instance, Transform3D().looking_at(Vector3(-1, -1, -1), Vector3(0, 1, 0))); light2 = RS::get_singleton()->directional_light_create(); RS::get_singleton()->light_set_color(light2, Color(0.7, 0.7, 0.7)); //RS::get_singleton()->light_set_color(light2, Color(0.7, 0.7, 0.7)); light_instance2 = RS::get_singleton()->instance_create2(light2, scenario); RS::get_singleton()->instance_set_transform(light_instance2, Transform3D().looking_at(Vector3(0, 1, 0), Vector3(0, 0, 1))); sphere = RS::get_singleton()->mesh_create(); sphere_instance = RS::get_singleton()->instance_create2(sphere, scenario); int lats = 32; int lons = 32; const double lat_step = Math_TAU / lats; const double lon_step = Math_TAU / lons; real_t radius = 1.0; Vector<Vector3> vertices; Vector<Vector3> normals; Vector<Vector2> uvs; Vector<real_t> tangents; Basis tt = Basis(Vector3(0, 1, 0), Math_PI * 0.5); for (int i = 1; i <= lats; i++) { double lat0 = lat_step * (i - 1) - Math_TAU / 4; double z0 = Math::sin(lat0); double zr0 = Math::cos(lat0); double lat1 = lat_step * i - Math_TAU / 4; double z1 = Math::sin(lat1); double zr1 = Math::cos(lat1); for (int j = lons; j >= 1; j--) { double lng0 = lon_step * (j - 1); double x0 = Math::cos(lng0); double y0 = Math::sin(lng0); double lng1 = lon_step * j; double x1 = Math::cos(lng1); double y1 = Math::sin(lng1); Vector3 v[4] = { Vector3(x1 * zr0, z0, y1 * zr0), Vector3(x1 * zr1, z1, y1 * zr1), Vector3(x0 * zr1, z1, y0 * zr1), Vector3(x0 * zr0, z0, y0 * zr0) }; #define ADD_POINT(m_idx) \ normals.push_back(v[m_idx]); \ vertices.push_back(v[m_idx] * radius); \ { \ Vector2 uv(Math::atan2(v[m_idx].x, v[m_idx].z), Math::atan2(-v[m_idx].y, v[m_idx].z)); \ uv /= Math_PI; \ uv *= 4.0; \ uv = uv * 0.5 + Vector2(0.5, 0.5); \ uvs.push_back(uv); \ } \ { \ Vector3 t = tt.xform(v[m_idx]); \ tangents.push_back(t.x); \ tangents.push_back(t.y); \ tangents.push_back(t.z); \ tangents.push_back(1.0); \ } ADD_POINT(0); ADD_POINT(1); ADD_POINT(2); ADD_POINT(2); ADD_POINT(3); ADD_POINT(0); } } Array arr; arr.resize(RS::ARRAY_MAX); arr[RS::ARRAY_VERTEX] = vertices; arr[RS::ARRAY_NORMAL] = normals; arr[RS::ARRAY_TANGENT] = tangents; arr[RS::ARRAY_TEX_UV] = uvs; RS::get_singleton()->mesh_add_surface_from_arrays(sphere, RS::PRIMITIVE_TRIANGLES, arr); } EditorMaterialPreviewPlugin::~EditorMaterialPreviewPlugin() { RS::get_singleton()->free(sphere); RS::get_singleton()->free(sphere_instance); RS::get_singleton()->free(viewport); RS::get_singleton()->free(light); RS::get_singleton()->free(light_instance); RS::get_singleton()->free(light2); RS::get_singleton()->free(light_instance2); RS::get_singleton()->free(camera); RS::get_singleton()->free(camera_attributes); RS::get_singleton()->free(scenario); } /////////////////////////////////////////////////////////////////////////// bool EditorScriptPreviewPlugin::handles(const String &p_type) const { return ClassDB::is_parent_class(p_type, "Script"); } Ref<Texture2D> EditorScriptPreviewPlugin::generate(const Ref<Resource> &p_from, const Size2 &p_size) const { Ref<Script> scr = p_from; if (scr.is_null()) { return Ref<Texture2D>(); } String code = scr->get_source_code().strip_edges(); if (code.is_empty()) { return Ref<Texture2D>(); } List<String> kwors; scr->get_language()->get_reserved_words(&kwors); HashSet<String> control_flow_keywords; HashSet<String> keywords; for (const String &E : kwors) { if (scr->get_language()->is_control_flow_keyword(E)) { control_flow_keywords.insert(E); } else { keywords.insert(E); } } int line = 0; int col = 0; int thumbnail_size = MAX(p_size.x, p_size.y); Ref<Image> img = Image::create_empty(thumbnail_size, thumbnail_size, false, Image::FORMAT_RGBA8); Color bg_color = EDITOR_GET("text_editor/theme/highlighting/background_color"); Color keyword_color = EDITOR_GET("text_editor/theme/highlighting/keyword_color"); Color control_flow_keyword_color = EDITOR_GET("text_editor/theme/highlighting/control_flow_keyword_color"); Color text_color = EDITOR_GET("text_editor/theme/highlighting/text_color"); Color symbol_color = EDITOR_GET("text_editor/theme/highlighting/symbol_color"); Color comment_color = EDITOR_GET("text_editor/theme/highlighting/comment_color"); if (bg_color.a == 0) { bg_color = Color(0, 0, 0, 0); } bg_color.a = MAX(bg_color.a, 0.2); // some background img->fill(bg_color); const int x0 = thumbnail_size / 8; const int y0 = thumbnail_size / 8; const int available_height = thumbnail_size - 2 * y0; col = x0; bool prev_is_text = false; bool in_control_flow_keyword = false; bool in_keyword = false; bool in_comment = false; for (int i = 0; i < code.length(); i++) { char32_t c = code[i]; if (c > 32) { if (col < thumbnail_size) { Color color = text_color; if (c == '#') { in_comment = true; } if (in_comment) { color = comment_color; } else { if (is_symbol(c)) { //make symbol a little visible color = symbol_color; in_control_flow_keyword = false; in_keyword = false; } else if (!prev_is_text && is_ascii_identifier_char(c)) { int pos = i; while (is_ascii_identifier_char(code[pos])) { pos++; } String word = code.substr(i, pos - i); if (control_flow_keywords.has(word)) { in_control_flow_keyword = true; } else if (keywords.has(word)) { in_keyword = true; } } else if (!is_ascii_identifier_char(c)) { in_keyword = false; } if (in_control_flow_keyword) { color = control_flow_keyword_color; } else if (in_keyword) { color = keyword_color; } } Color ul = color; ul.a *= 0.5; img->set_pixel(col, y0 + line * 2, bg_color.blend(ul)); img->set_pixel(col, y0 + line * 2 + 1, color); prev_is_text = is_ascii_identifier_char(c); } col++; } else { prev_is_text = false; in_control_flow_keyword = false; in_keyword = false; if (c == '\n') { in_comment = false; col = x0; line++; if (line >= available_height / 2) { break; } } else if (c == '\t') { col += 3; } else { col++; } } } post_process_preview(img); return ImageTexture::create_from_image(img); } EditorScriptPreviewPlugin::EditorScriptPreviewPlugin() { } /////////////////////////////////////////////////////////////////// bool EditorAudioStreamPreviewPlugin::handles(const String &p_type) const { return ClassDB::is_parent_class(p_type, "AudioStream"); } Ref<Texture2D> EditorAudioStreamPreviewPlugin::generate(const Ref<Resource> &p_from, const Size2 &p_size) const { Ref<AudioStream> stream = p_from; ERR_FAIL_COND_V(stream.is_null(), Ref<Texture2D>()); Vector<uint8_t> img; int w = p_size.x; int h = p_size.y; img.resize(w * h * 3); uint8_t *imgdata = img.ptrw(); uint8_t *imgw = imgdata; Ref<AudioStreamPlayback> playback = stream->instantiate_playback(); ERR_FAIL_COND_V(playback.is_null(), Ref<Texture2D>()); real_t len_s = stream->get_length(); if (len_s == 0) { len_s = 60; //one minute audio if no length specified } int frame_length = AudioServer::get_singleton()->get_mix_rate() * len_s; Vector<AudioFrame> frames; frames.resize(frame_length); playback->start(); playback->mix(frames.ptrw(), 1, frames.size()); playback->stop(); for (int i = 0; i < w; i++) { real_t max = -1000; real_t min = 1000; int from = uint64_t(i) * frame_length / w; int to = (uint64_t(i) + 1) * frame_length / w; to = MIN(to, frame_length); from = MIN(from, frame_length - 1); if (to == from) { to = from + 1; } for (int j = from; j < to; j++) { max = MAX(max, frames[j].l); max = MAX(max, frames[j].r); min = MIN(min, frames[j].l); min = MIN(min, frames[j].r); } int pfrom = CLAMP((min * 0.5 + 0.5) * h / 2, 0, h / 2) + h / 4; int pto = CLAMP((max * 0.5 + 0.5) * h / 2, 0, h / 2) + h / 4; for (int j = 0; j < h; j++) { uint8_t *p = &imgw[(j * w + i) * 3]; if (j < pfrom || j > pto) { p[0] = 100; p[1] = 100; p[2] = 100; } else { p[0] = 180; p[1] = 180; p[2] = 180; } } } //post_process_preview(img); Ref<Image> image = Image::create_from_data(w, h, false, Image::FORMAT_RGB8, img); return ImageTexture::create_from_image(image); } EditorAudioStreamPreviewPlugin::EditorAudioStreamPreviewPlugin() { } /////////////////////////////////////////////////////////////////////////// void EditorMeshPreviewPlugin::_generate_frame_started() { RS::get_singleton()->viewport_set_update_mode(viewport, RS::VIEWPORT_UPDATE_ONCE); //once used for capture RS::get_singleton()->request_frame_drawn_callback(callable_mp(const_cast<EditorMeshPreviewPlugin *>(this), &EditorMeshPreviewPlugin::_preview_done)); } void EditorMeshPreviewPlugin::_preview_done() { preview_done.post(); } bool EditorMeshPreviewPlugin::handles(const String &p_type) const { return ClassDB::is_parent_class(p_type, "Mesh"); // Any mesh. } Ref<Texture2D> EditorMeshPreviewPlugin::generate(const Ref<Resource> &p_from, const Size2 &p_size) const { Ref<Mesh> mesh = p_from; ERR_FAIL_COND_V(mesh.is_null(), Ref<Texture2D>()); RS::get_singleton()->instance_set_base(mesh_instance, mesh->get_rid()); AABB aabb = mesh->get_aabb(); Vector3 ofs = aabb.get_center(); aabb.position -= ofs; Transform3D xform; xform.basis = Basis().rotated(Vector3(0, 1, 0), -Math_PI * 0.125); xform.basis = Basis().rotated(Vector3(1, 0, 0), Math_PI * 0.125) * xform.basis; AABB rot_aabb = xform.xform(aabb); real_t m = MAX(rot_aabb.size.x, rot_aabb.size.y) * 0.5; if (m == 0) { return Ref<Texture2D>(); } m = 1.0 / m; m *= 0.5; xform.basis.scale(Vector3(m, m, m)); xform.origin = -xform.basis.xform(ofs); //-ofs*m; xform.origin.z -= rot_aabb.size.z * 2; RS::get_singleton()->instance_set_transform(mesh_instance, xform); RS::get_singleton()->connect(SNAME("frame_pre_draw"), callable_mp(const_cast<EditorMeshPreviewPlugin *>(this), &EditorMeshPreviewPlugin::_generate_frame_started), Object::CONNECT_ONE_SHOT); preview_done.wait(); Ref<Image> img = RS::get_singleton()->texture_2d_get(viewport_texture); ERR_FAIL_COND_V(img.is_null(), Ref<ImageTexture>()); RS::get_singleton()->instance_set_base(mesh_instance, RID()); img->convert(Image::FORMAT_RGBA8); Vector2 new_size = img->get_size(); if (new_size.x > p_size.x) { new_size = Vector2(p_size.x, new_size.y * p_size.x / new_size.x); } if (new_size.y > p_size.y) { new_size = Vector2(new_size.x * p_size.y / new_size.y, p_size.y); } img->resize(new_size.x, new_size.y, Image::INTERPOLATE_CUBIC); post_process_preview(img); return ImageTexture::create_from_image(img); } EditorMeshPreviewPlugin::EditorMeshPreviewPlugin() { scenario = RS::get_singleton()->scenario_create(); viewport = RS::get_singleton()->viewport_create(); RS::get_singleton()->viewport_set_update_mode(viewport, RS::VIEWPORT_UPDATE_DISABLED); RS::get_singleton()->viewport_set_scenario(viewport, scenario); RS::get_singleton()->viewport_set_size(viewport, 128, 128); RS::get_singleton()->viewport_set_transparent_background(viewport, true); RS::get_singleton()->viewport_set_active(viewport, true); viewport_texture = RS::get_singleton()->viewport_get_texture(viewport); camera = RS::get_singleton()->camera_create(); RS::get_singleton()->viewport_attach_camera(viewport, camera); RS::get_singleton()->camera_set_transform(camera, Transform3D(Basis(), Vector3(0, 0, 3))); //RS::get_singleton()->camera_set_perspective(camera,45,0.1,10); RS::get_singleton()->camera_set_orthogonal(camera, 1.0, 0.01, 1000.0); if (GLOBAL_GET("rendering/lights_and_shadows/use_physical_light_units")) { camera_attributes = RS::get_singleton()->camera_attributes_create(); RS::get_singleton()->camera_attributes_set_exposure(camera_attributes, 1.0, 0.000032552); // Matches default CameraAttributesPhysical to work well with default DirectionalLight3Ds. RS::get_singleton()->camera_set_camera_attributes(camera, camera_attributes); } light = RS::get_singleton()->directional_light_create(); light_instance = RS::get_singleton()->instance_create2(light, scenario); RS::get_singleton()->instance_set_transform(light_instance, Transform3D().looking_at(Vector3(-1, -1, -1), Vector3(0, 1, 0))); light2 = RS::get_singleton()->directional_light_create(); RS::get_singleton()->light_set_color(light2, Color(0.7, 0.7, 0.7)); //RS::get_singleton()->light_set_color(light2, RS::LIGHT_COLOR_SPECULAR, Color(0.0, 0.0, 0.0)); light_instance2 = RS::get_singleton()->instance_create2(light2, scenario); RS::get_singleton()->instance_set_transform(light_instance2, Transform3D().looking_at(Vector3(0, 1, 0), Vector3(0, 0, 1))); //sphere = RS::get_singleton()->mesh_create(); mesh_instance = RS::get_singleton()->instance_create(); RS::get_singleton()->instance_set_scenario(mesh_instance, scenario); } EditorMeshPreviewPlugin::~EditorMeshPreviewPlugin() { //RS::get_singleton()->free(sphere); RS::get_singleton()->free(mesh_instance); RS::get_singleton()->free(viewport); RS::get_singleton()->free(light); RS::get_singleton()->free(light_instance); RS::get_singleton()->free(light2); RS::get_singleton()->free(light_instance2); RS::get_singleton()->free(camera); RS::get_singleton()->free(camera_attributes); RS::get_singleton()->free(scenario); } /////////////////////////////////////////////////////////////////////////// void EditorFontPreviewPlugin::_generate_frame_started() { RS::get_singleton()->viewport_set_update_mode(viewport, RS::VIEWPORT_UPDATE_ONCE); //once used for capture RS::get_singleton()->request_frame_drawn_callback(callable_mp(const_cast<EditorFontPreviewPlugin *>(this), &EditorFontPreviewPlugin::_preview_done)); } void EditorFontPreviewPlugin::_preview_done() { preview_done.post(); } bool EditorFontPreviewPlugin::handles(const String &p_type) const { return ClassDB::is_parent_class(p_type, "Font"); } Ref<Texture2D> EditorFontPreviewPlugin::generate_from_path(const String &p_path, const Size2 &p_size) const { Ref<Font> sampled_font = ResourceLoader::load(p_path); ERR_FAIL_COND_V(sampled_font.is_null(), Ref<Texture2D>()); String sample; static const String sample_base = U"12漢字ԱբΑαАбΑαאבابܐܒހށआআਆઆଆஆఆಆആආกิກິༀကႠა한글ሀᎣᐁᚁᚠᜀᜠᝀᝠកᠠᤁᥐAb😀"; for (int i = 0; i < sample_base.length(); i++) { if (sampled_font->has_char(sample_base[i])) { sample += sample_base[i]; } } if (sample.is_empty()) { sample = sampled_font->get_supported_chars().substr(0, 6); } Vector2 size = sampled_font->get_string_size(sample, HORIZONTAL_ALIGNMENT_LEFT, -1, 50); Vector2 pos; pos.x = 64 - size.x / 2; pos.y = 80; const Color c = GLOBAL_GET("rendering/environment/defaults/default_clear_color"); const float fg = c.get_luminance() < 0.5 ? 1.0 : 0.0; sampled_font->draw_string(canvas_item, pos, sample, HORIZONTAL_ALIGNMENT_LEFT, -1.f, 50, Color(fg, fg, fg)); RS::get_singleton()->connect(SNAME("frame_pre_draw"), callable_mp(const_cast<EditorFontPreviewPlugin *>(this), &EditorFontPreviewPlugin::_generate_frame_started), Object::CONNECT_ONE_SHOT); preview_done.wait(); RS::get_singleton()->canvas_item_clear(canvas_item); Ref<Image> img = RS::get_singleton()->texture_2d_get(viewport_texture); ERR_FAIL_COND_V(img.is_null(), Ref<ImageTexture>()); img->convert(Image::FORMAT_RGBA8); Vector2 new_size = img->get_size(); if (new_size.x > p_size.x) { new_size = Vector2(p_size.x, new_size.y * p_size.x / new_size.x); } if (new_size.y > p_size.y) { new_size = Vector2(new_size.x * p_size.y / new_size.y, p_size.y); } img->resize(new_size.x, new_size.y, Image::INTERPOLATE_CUBIC); post_process_preview(img); return ImageTexture::create_from_image(img); } Ref<Texture2D> EditorFontPreviewPlugin::generate(const Ref<Resource> &p_from, const Size2 &p_size) const { String path = p_from->get_path(); if (!FileAccess::exists(path)) { return Ref<Texture2D>(); } return generate_from_path(path, p_size); } EditorFontPreviewPlugin::EditorFontPreviewPlugin() { viewport = RS::get_singleton()->viewport_create(); RS::get_singleton()->viewport_set_update_mode(viewport, RS::VIEWPORT_UPDATE_DISABLED); RS::get_singleton()->viewport_set_size(viewport, 128, 128); RS::get_singleton()->viewport_set_active(viewport, true); viewport_texture = RS::get_singleton()->viewport_get_texture(viewport); canvas = RS::get_singleton()->canvas_create(); canvas_item = RS::get_singleton()->canvas_item_create(); RS::get_singleton()->viewport_attach_canvas(viewport, canvas); RS::get_singleton()->canvas_item_set_parent(canvas_item, canvas); } EditorFontPreviewPlugin::~EditorFontPreviewPlugin() { RS::get_singleton()->free(canvas_item); RS::get_singleton()->free(canvas); RS::get_singleton()->free(viewport); } //////////////////////////////////////////////////////////////////////////// static const real_t GRADIENT_PREVIEW_TEXTURE_SCALE_FACTOR = 4.0; bool EditorGradientPreviewPlugin::handles(const String &p_type) const { return ClassDB::is_parent_class(p_type, "Gradient"); } bool EditorGradientPreviewPlugin::generate_small_preview_automatically() const { return true; } Ref<Texture2D> EditorGradientPreviewPlugin::generate(const Ref<Resource> &p_from, const Size2 &p_size) const { Ref<Gradient> gradient = p_from; if (gradient.is_valid()) { Ref<GradientTexture1D> ptex; ptex.instantiate(); ptex->set_width(p_size.width * GRADIENT_PREVIEW_TEXTURE_SCALE_FACTOR * EDSCALE); ptex->set_gradient(gradient); return ImageTexture::create_from_image(ptex->get_image()); } return Ref<Texture2D>(); } EditorGradientPreviewPlugin::EditorGradientPreviewPlugin() { }