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Diffstat (limited to 'scene/3d/label_3d.cpp')
| -rw-r--r-- | scene/3d/label_3d.cpp | 962 |
1 files changed, 962 insertions, 0 deletions
diff --git a/scene/3d/label_3d.cpp b/scene/3d/label_3d.cpp new file mode 100644 index 0000000000..7dc90da4be --- /dev/null +++ b/scene/3d/label_3d.cpp @@ -0,0 +1,962 @@ +/*************************************************************************/ +/* label_3d.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 "label_3d.h" + +#include "core/core_string_names.h" +#include "scene/resources/theme.h" +#include "scene/scene_string_names.h" + +void Label3D::_bind_methods() { + ClassDB::bind_method(D_METHOD("set_horizontal_alignment", "alignment"), &Label3D::set_horizontal_alignment); + ClassDB::bind_method(D_METHOD("get_horizontal_alignment"), &Label3D::get_horizontal_alignment); + + ClassDB::bind_method(D_METHOD("set_vertical_alignment", "alignment"), &Label3D::set_vertical_alignment); + ClassDB::bind_method(D_METHOD("get_vertical_alignment"), &Label3D::get_vertical_alignment); + + ClassDB::bind_method(D_METHOD("set_modulate", "modulate"), &Label3D::set_modulate); + ClassDB::bind_method(D_METHOD("get_modulate"), &Label3D::get_modulate); + + ClassDB::bind_method(D_METHOD("set_outline_modulate", "modulate"), &Label3D::set_outline_modulate); + ClassDB::bind_method(D_METHOD("get_outline_modulate"), &Label3D::get_outline_modulate); + + ClassDB::bind_method(D_METHOD("set_text", "text"), &Label3D::set_text); + ClassDB::bind_method(D_METHOD("get_text"), &Label3D::get_text); + + ClassDB::bind_method(D_METHOD("set_text_direction", "direction"), &Label3D::set_text_direction); + ClassDB::bind_method(D_METHOD("get_text_direction"), &Label3D::get_text_direction); + + ClassDB::bind_method(D_METHOD("set_opentype_feature", "tag", "value"), &Label3D::set_opentype_feature); + ClassDB::bind_method(D_METHOD("get_opentype_feature", "tag"), &Label3D::get_opentype_feature); + ClassDB::bind_method(D_METHOD("clear_opentype_features"), &Label3D::clear_opentype_features); + + ClassDB::bind_method(D_METHOD("set_language", "language"), &Label3D::set_language); + ClassDB::bind_method(D_METHOD("get_language"), &Label3D::get_language); + + ClassDB::bind_method(D_METHOD("set_structured_text_bidi_override", "parser"), &Label3D::set_structured_text_bidi_override); + ClassDB::bind_method(D_METHOD("get_structured_text_bidi_override"), &Label3D::get_structured_text_bidi_override); + + ClassDB::bind_method(D_METHOD("set_structured_text_bidi_override_options", "args"), &Label3D::set_structured_text_bidi_override_options); + ClassDB::bind_method(D_METHOD("get_structured_text_bidi_override_options"), &Label3D::get_structured_text_bidi_override_options); + + ClassDB::bind_method(D_METHOD("set_uppercase", "enable"), &Label3D::set_uppercase); + ClassDB::bind_method(D_METHOD("is_uppercase"), &Label3D::is_uppercase); + + ClassDB::bind_method(D_METHOD("set_font", "font"), &Label3D::set_font); + ClassDB::bind_method(D_METHOD("get_font"), &Label3D::get_font); + + ClassDB::bind_method(D_METHOD("set_font_size", "size"), &Label3D::set_font_size); + ClassDB::bind_method(D_METHOD("get_font_size"), &Label3D::get_font_size); + + ClassDB::bind_method(D_METHOD("set_outline_size", "outline_size"), &Label3D::set_outline_size); + ClassDB::bind_method(D_METHOD("get_outline_size"), &Label3D::get_outline_size); + + ClassDB::bind_method(D_METHOD("set_line_spacing", "line_spacing"), &Label3D::set_line_spacing); + ClassDB::bind_method(D_METHOD("get_line_spacing"), &Label3D::get_line_spacing); + + ClassDB::bind_method(D_METHOD("set_autowrap_mode", "autowrap_mode"), &Label3D::set_autowrap_mode); + ClassDB::bind_method(D_METHOD("get_autowrap_mode"), &Label3D::get_autowrap_mode); + + ClassDB::bind_method(D_METHOD("set_width", "width"), &Label3D::set_width); + ClassDB::bind_method(D_METHOD("get_width"), &Label3D::get_width); + + ClassDB::bind_method(D_METHOD("set_pixel_size", "pixel_size"), &Label3D::set_pixel_size); + ClassDB::bind_method(D_METHOD("get_pixel_size"), &Label3D::get_pixel_size); + + ClassDB::bind_method(D_METHOD("set_draw_flag", "flag", "enabled"), &Label3D::set_draw_flag); + ClassDB::bind_method(D_METHOD("get_draw_flag", "flag"), &Label3D::get_draw_flag); + + ClassDB::bind_method(D_METHOD("set_billboard_mode", "mode"), &Label3D::set_billboard_mode); + ClassDB::bind_method(D_METHOD("get_billboard_mode"), &Label3D::get_billboard_mode); + + ClassDB::bind_method(D_METHOD("set_alpha_cut_mode", "mode"), &Label3D::set_alpha_cut_mode); + ClassDB::bind_method(D_METHOD("get_alpha_cut_mode"), &Label3D::get_alpha_cut_mode); + + ClassDB::bind_method(D_METHOD("set_alpha_scissor_threshold", "threshold"), &Label3D::set_alpha_scissor_threshold); + ClassDB::bind_method(D_METHOD("get_alpha_scissor_threshold"), &Label3D::get_alpha_scissor_threshold); + + ClassDB::bind_method(D_METHOD("set_texture_filter", "mode"), &Label3D::set_texture_filter); + ClassDB::bind_method(D_METHOD("get_texture_filter"), &Label3D::get_texture_filter); + + ClassDB::bind_method(D_METHOD("generate_triangle_mesh"), &Label3D::generate_triangle_mesh); + + ClassDB::bind_method(D_METHOD("_queue_update"), &Label3D::_queue_update); + ClassDB::bind_method(D_METHOD("_font_changed"), &Label3D::_font_changed); + ClassDB::bind_method(D_METHOD("_im_update"), &Label3D::_im_update); + + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "pixel_size", PROPERTY_HINT_RANGE, "0.0001,128,0.0001"), "set_pixel_size", "get_pixel_size"); + + ADD_GROUP("Flags", ""); + ADD_PROPERTY(PropertyInfo(Variant::INT, "billboard", PROPERTY_HINT_ENUM, "Disabled,Enabled,Y-Billboard"), "set_billboard_mode", "get_billboard_mode"); + ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "shaded"), "set_draw_flag", "get_draw_flag", FLAG_SHADED); + ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "double_sided"), "set_draw_flag", "get_draw_flag", FLAG_DOUBLE_SIDED); + ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "no_depth_test"), "set_draw_flag", "get_draw_flag", FLAG_DISABLE_DEPTH_TEST); + ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "fixed_size"), "set_draw_flag", "get_draw_flag", FLAG_FIXED_SIZE); + ADD_PROPERTY(PropertyInfo(Variant::INT, "alpha_cut", PROPERTY_HINT_ENUM, "Disabled,Discard,Opaque Pre-Pass"), "set_alpha_cut_mode", "get_alpha_cut_mode"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "alpha_scissor_threshold", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_alpha_scissor_threshold", "get_alpha_scissor_threshold"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "texture_filter", PROPERTY_HINT_ENUM, "Nearest,Linear,Nearest Mipmap,Linear Mipmap,Nearest Mipmap Anisotropic,Linear Mipmap Anisotropic"), "set_texture_filter", "get_texture_filter"); + + ADD_GROUP("Text", ""); + ADD_PROPERTY(PropertyInfo(Variant::COLOR, "modulate"), "set_modulate", "get_modulate"); + ADD_PROPERTY(PropertyInfo(Variant::COLOR, "outline_modulate"), "set_outline_modulate", "get_outline_modulate"); + ADD_PROPERTY(PropertyInfo(Variant::STRING, "text", PROPERTY_HINT_MULTILINE_TEXT, ""), "set_text", "get_text"); + ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "font", PROPERTY_HINT_RESOURCE_TYPE, "Font"), "set_font", "get_font"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "font_size", PROPERTY_HINT_RANGE, "1,127,1"), "set_font_size", "get_font_size"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "outline_size", PROPERTY_HINT_RANGE, "0,127,1"), "set_outline_size", "get_outline_size"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "horizontal_alignment", PROPERTY_HINT_ENUM, "Left,Center,Right,Fill"), "set_horizontal_alignment", "get_horizontal_alignment"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "vertical_alignment", PROPERTY_HINT_ENUM, "Top,Center,Bottom"), "set_vertical_alignment", "get_vertical_alignment"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "uppercase"), "set_uppercase", "is_uppercase"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "line_spacing"), "set_line_spacing", "get_line_spacing"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "autowrap_mode", PROPERTY_HINT_ENUM, "Off,Arbitrary,Word,Word (Smart)"), "set_autowrap_mode", "get_autowrap_mode"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "width"), "set_width", "get_width"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "structured_text_bidi_override", PROPERTY_HINT_ENUM, "Default,URI,File,Email,List,None,Custom"), "set_structured_text_bidi_override", "get_structured_text_bidi_override"); + ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "structured_text_bidi_override_options"), "set_structured_text_bidi_override_options", "get_structured_text_bidi_override_options"); + + ADD_GROUP("Locale", ""); + ADD_PROPERTY(PropertyInfo(Variant::INT, "text_direction", PROPERTY_HINT_ENUM, "Auto,Left-to-Right,Right-to-Left"), "set_text_direction", "get_text_direction"); + ADD_PROPERTY(PropertyInfo(Variant::STRING, "language", PROPERTY_HINT_LOCALE_ID, ""), "set_language", "get_language"); + + BIND_ENUM_CONSTANT(AUTOWRAP_OFF); + BIND_ENUM_CONSTANT(AUTOWRAP_ARBITRARY); + BIND_ENUM_CONSTANT(AUTOWRAP_WORD); + BIND_ENUM_CONSTANT(AUTOWRAP_WORD_SMART); + + BIND_ENUM_CONSTANT(FLAG_SHADED); + BIND_ENUM_CONSTANT(FLAG_DOUBLE_SIDED); + BIND_ENUM_CONSTANT(FLAG_DISABLE_DEPTH_TEST); + BIND_ENUM_CONSTANT(FLAG_FIXED_SIZE); + BIND_ENUM_CONSTANT(FLAG_MAX); + + BIND_ENUM_CONSTANT(ALPHA_CUT_DISABLED); + BIND_ENUM_CONSTANT(ALPHA_CUT_DISCARD); + BIND_ENUM_CONSTANT(ALPHA_CUT_OPAQUE_PREPASS); +} + +bool Label3D::_set(const StringName &p_name, const Variant &p_value) { + String str = p_name; + if (str.begins_with("opentype_features/")) { + String name = str.get_slicec('/', 1); + int32_t tag = TS->name_to_tag(name); + int value = p_value; + if (value == -1) { + if (opentype_features.has(tag)) { + opentype_features.erase(tag); + dirty_font = true; + _queue_update(); + } + } else { + if (!opentype_features.has(tag) || (int)opentype_features[tag] != value) { + opentype_features[tag] = value; + dirty_font = true; + _queue_update(); + } + } + notify_property_list_changed(); + return true; + } + + return false; +} + +bool Label3D::_get(const StringName &p_name, Variant &r_ret) const { + String str = p_name; + if (str.begins_with("opentype_features/")) { + String name = str.get_slicec('/', 1); + int32_t tag = TS->name_to_tag(name); + if (opentype_features.has(tag)) { + r_ret = opentype_features[tag]; + return true; + } else { + r_ret = -1; + return true; + } + } + return false; +} + +void Label3D::_get_property_list(List<PropertyInfo> *p_list) const { + for (const Variant *ftr = opentype_features.next(nullptr); ftr != nullptr; ftr = opentype_features.next(ftr)) { + String name = TS->tag_to_name(*ftr); + p_list->push_back(PropertyInfo(Variant::INT, "opentype_features/" + name)); + } + p_list->push_back(PropertyInfo(Variant::NIL, "opentype_features/_new", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_EDITOR)); +} + +void Label3D::_validate_property(PropertyInfo &property) const { + if (property.name == "material_override" || property.name == "material_overlay") { + property.usage = PROPERTY_USAGE_NO_EDITOR; + } +} + +void Label3D::_notification(int p_what) { + switch (p_what) { + case NOTIFICATION_ENTER_TREE: { + if (!pending_update) { + _im_update(); + } + } break; + case NOTIFICATION_TRANSLATION_CHANGED: { + String new_text = tr(text); + if (new_text == xl_text) { + return; // Nothing new. + } + xl_text = new_text; + dirty_text = true; + _queue_update(); + } break; + } +} + +void Label3D::_im_update() { + _shape(); + + triangle_mesh.unref(); + update_gizmos(); + + pending_update = false; +} + +void Label3D::_queue_update() { + if (pending_update) { + return; + } + + pending_update = true; + call_deferred(SceneStringNames::get_singleton()->_im_update); +} + +AABB Label3D::get_aabb() const { + return aabb; +} + +Ref<TriangleMesh> Label3D::generate_triangle_mesh() const { + if (triangle_mesh.is_valid()) { + return triangle_mesh; + } + + Ref<Font> font = _get_font_or_default(); + if (font.is_null()) { + return Ref<TriangleMesh>(); + } + + Vector<Vector3> faces; + faces.resize(6); + Vector3 *facesw = faces.ptrw(); + + float total_h = 0.0; + float max_line_w = 0.0; + for (int i = 0; i < lines_rid.size(); i++) { + total_h += TS->shaped_text_get_size(lines_rid[i]).y + font->get_spacing(TextServer::SPACING_TOP) + font->get_spacing(TextServer::SPACING_BOTTOM) + line_spacing; + max_line_w = MAX(max_line_w, TS->shaped_text_get_width(lines_rid[i])); + } + + float vbegin = 0; + switch (vertical_alignment) { + case VERTICAL_ALIGNMENT_FILL: + case VERTICAL_ALIGNMENT_TOP: { + // Nothing. + } break; + case VERTICAL_ALIGNMENT_CENTER: { + vbegin = (total_h - line_spacing) / 2.0; + } break; + case VERTICAL_ALIGNMENT_BOTTOM: { + vbegin = (total_h - line_spacing); + } break; + } + + Vector2 offset = Vector2(0, vbegin); + switch (horizontal_alignment) { + case HORIZONTAL_ALIGNMENT_LEFT: + break; + case HORIZONTAL_ALIGNMENT_FILL: + case HORIZONTAL_ALIGNMENT_CENTER: { + offset.x = -max_line_w / 2.0; + } break; + case HORIZONTAL_ALIGNMENT_RIGHT: { + offset.x = -max_line_w; + } break; + } + + Rect2 final_rect = Rect2(offset, Size2(max_line_w, total_h)); + + if (final_rect.size.x == 0 || final_rect.size.y == 0) { + return Ref<TriangleMesh>(); + } + + real_t pixel_size = get_pixel_size(); + + Vector2 vertices[4] = { + + (final_rect.position + Vector2(0, -final_rect.size.y)) * pixel_size, + (final_rect.position + Vector2(final_rect.size.x, -final_rect.size.y)) * pixel_size, + (final_rect.position + Vector2(final_rect.size.x, 0)) * pixel_size, + final_rect.position * pixel_size, + + }; + + static const int indices[6] = { + 0, 1, 2, + 0, 2, 3 + }; + + for (int j = 0; j < 6; j++) { + int i = indices[j]; + Vector3 vtx; + vtx[0] = vertices[i][0]; + vtx[1] = vertices[i][1]; + facesw[j] = vtx; + } + + triangle_mesh = Ref<TriangleMesh>(memnew(TriangleMesh)); + triangle_mesh->create(faces); + + return triangle_mesh; +} + +void Label3D::_generate_glyph_surfaces(const Glyph &p_glyph, Vector2 &r_offset, const Color &p_modulate, int p_priority, int p_outline_size) { + for (int j = 0; j < p_glyph.repeat; j++) { + Vector2 gl_of; + Vector2 gl_sz; + Rect2 gl_uv; + Size2 texs; + RID tex; + + if (p_glyph.font_rid != RID()) { + tex = TS->font_get_glyph_texture_rid(p_glyph.font_rid, Vector2i(p_glyph.font_size, p_outline_size), p_glyph.index); + if (tex != RID()) { + gl_of = (TS->font_get_glyph_offset(p_glyph.font_rid, Vector2i(p_glyph.font_size, p_outline_size), p_glyph.index) + Vector2(p_glyph.x_off, p_glyph.y_off)) * pixel_size; + gl_sz = TS->font_get_glyph_size(p_glyph.font_rid, Vector2i(p_glyph.font_size, p_outline_size), p_glyph.index) * pixel_size; + gl_uv = TS->font_get_glyph_uv_rect(p_glyph.font_rid, Vector2i(p_glyph.font_size, p_outline_size), p_glyph.index); + texs = TS->font_get_glyph_texture_size(p_glyph.font_rid, Vector2i(p_glyph.font_size, p_outline_size), p_glyph.index); + } + } else { + gl_sz = TS->get_hex_code_box_size(p_glyph.font_size, p_glyph.index) * pixel_size; + gl_of = Vector2(0, -gl_sz.y); + } + + bool msdf = TS->font_is_multichannel_signed_distance_field(p_glyph.font_rid); + + uint64_t mat_hash; + if (tex != RID()) { + mat_hash = hash_one_uint64(tex.get_id()); + } else { + mat_hash = hash_one_uint64(0); + } + mat_hash = hash_djb2_one_64(p_priority | (p_outline_size << 31), mat_hash); + + if (!surfaces.has(mat_hash)) { + SurfaceData surf; + surf.material = RenderingServer::get_singleton()->material_create(); + // Set defaults for material, names need to match up those in StandardMaterial3D + RS::get_singleton()->material_set_param(surf.material, "albedo", Color(1, 1, 1, 1)); + RS::get_singleton()->material_set_param(surf.material, "specular", 0.5); + RS::get_singleton()->material_set_param(surf.material, "metallic", 0.0); + RS::get_singleton()->material_set_param(surf.material, "roughness", 1.0); + RS::get_singleton()->material_set_param(surf.material, "uv1_offset", Vector3(0, 0, 0)); + RS::get_singleton()->material_set_param(surf.material, "uv1_scale", Vector3(1, 1, 1)); + RS::get_singleton()->material_set_param(surf.material, "uv2_offset", Vector3(0, 0, 0)); + RS::get_singleton()->material_set_param(surf.material, "uv2_scale", Vector3(1, 1, 1)); + RS::get_singleton()->material_set_param(surf.material, "alpha_scissor_threshold", alpha_scissor_threshold); + if (msdf) { + RS::get_singleton()->material_set_param(surf.material, "msdf_pixel_range", TS->font_get_msdf_pixel_range(p_glyph.font_rid)); + RS::get_singleton()->material_set_param(surf.material, "msdf_outline_size", p_outline_size); + } + + RID shader_rid; + StandardMaterial3D::get_material_for_2d(get_draw_flag(FLAG_SHADED), true, get_draw_flag(FLAG_DOUBLE_SIDED), get_alpha_cut_mode() == ALPHA_CUT_DISCARD, get_alpha_cut_mode() == ALPHA_CUT_OPAQUE_PREPASS, get_billboard_mode() == StandardMaterial3D::BILLBOARD_ENABLED, get_billboard_mode() == StandardMaterial3D::BILLBOARD_FIXED_Y, msdf, get_draw_flag(FLAG_DISABLE_DEPTH_TEST), get_draw_flag(FLAG_FIXED_SIZE), texture_filter, &shader_rid); + + RS::get_singleton()->material_set_shader(surf.material, shader_rid); + RS::get_singleton()->material_set_param(surf.material, "texture_albedo", tex); + if (get_alpha_cut_mode() == ALPHA_CUT_DISABLED) { + RS::get_singleton()->material_set_render_priority(surf.material, p_priority); + } else { + surf.z_shift = p_priority * pixel_size; + } + + surfaces[mat_hash] = surf; + } + SurfaceData &s = surfaces[mat_hash]; + + s.mesh_vertices.resize((s.offset + 1) * 4); + s.mesh_normals.resize((s.offset + 1) * 4); + s.mesh_tangents.resize((s.offset + 1) * 16); + s.mesh_colors.resize((s.offset + 1) * 4); + s.mesh_uvs.resize((s.offset + 1) * 4); + + s.mesh_vertices.write[(s.offset * 4) + 3] = Vector3(r_offset.x + gl_of.x, r_offset.y - gl_of.y - gl_sz.y, s.z_shift); + s.mesh_vertices.write[(s.offset * 4) + 2] = Vector3(r_offset.x + gl_of.x + gl_sz.x, r_offset.y - gl_of.y - gl_sz.y, s.z_shift); + s.mesh_vertices.write[(s.offset * 4) + 1] = Vector3(r_offset.x + gl_of.x + gl_sz.x, r_offset.y - gl_of.y, s.z_shift); + s.mesh_vertices.write[(s.offset * 4) + 0] = Vector3(r_offset.x + gl_of.x, r_offset.y - gl_of.y, s.z_shift); + + for (int i = 0; i < 4; i++) { + s.mesh_normals.write[(s.offset * 4) + i] = Vector3(0.0, 0.0, 1.0); + s.mesh_tangents.write[(s.offset * 16) + (i * 4) + 0] = 1.0; + s.mesh_tangents.write[(s.offset * 16) + (i * 4) + 1] = 0.0; + s.mesh_tangents.write[(s.offset * 16) + (i * 4) + 2] = 0.0; + s.mesh_tangents.write[(s.offset * 16) + (i * 4) + 3] = 1.0; + s.mesh_colors.write[(s.offset * 4) + i] = p_modulate; + s.mesh_uvs.write[(s.offset * 4) + i] = Vector2(); + + if (aabb == AABB()) { + aabb.position = s.mesh_vertices[(s.offset * 4) + i]; + } else { + aabb.expand_to(s.mesh_vertices[(s.offset * 4) + i]); + } + } + + if (tex != RID()) { + s.mesh_uvs.write[(s.offset * 4) + 3] = Vector2(gl_uv.position.x / texs.x, (gl_uv.position.y + gl_uv.size.y) / texs.y); + s.mesh_uvs.write[(s.offset * 4) + 2] = Vector2((gl_uv.position.x + gl_uv.size.x) / texs.x, (gl_uv.position.y + gl_uv.size.y) / texs.y); + s.mesh_uvs.write[(s.offset * 4) + 1] = Vector2((gl_uv.position.x + gl_uv.size.x) / texs.x, gl_uv.position.y / texs.y); + s.mesh_uvs.write[(s.offset * 4) + 0] = Vector2(gl_uv.position.x / texs.x, gl_uv.position.y / texs.y); + } + + s.indices.resize((s.offset + 1) * 6); + s.indices.write[(s.offset * 6) + 0] = (s.offset * 4) + 0; + s.indices.write[(s.offset * 6) + 1] = (s.offset * 4) + 1; + s.indices.write[(s.offset * 6) + 2] = (s.offset * 4) + 2; + s.indices.write[(s.offset * 6) + 3] = (s.offset * 4) + 0; + s.indices.write[(s.offset * 6) + 4] = (s.offset * 4) + 2; + s.indices.write[(s.offset * 6) + 5] = (s.offset * 4) + 3; + + s.offset++; + r_offset.x += p_glyph.advance * pixel_size; + } +} + +void Label3D::_shape() { + // Clear mesh. + RS::get_singleton()->mesh_clear(mesh); + aabb = AABB(); + + // Clear materials. + for (Map<uint64_t, SurfaceData>::Element *E = surfaces.front(); E; E = E->next()) { + RenderingServer::get_singleton()->free(E->get().material); + } + surfaces.clear(); + + Ref<Font> font = _get_font_or_default(); + ERR_FAIL_COND(font.is_null()); + + // Update text buffer. + if (dirty_text) { + TS->shaped_text_clear(text_rid); + TS->shaped_text_set_direction(text_rid, text_direction); + + String text = (uppercase) ? TS->string_to_upper(xl_text, language) : xl_text; + TS->shaped_text_add_string(text_rid, text, font->get_rids(), font_size, opentype_features, language); + + Array stt; + if (st_parser == TextServer::STRUCTURED_TEXT_CUSTOM) { + GDVIRTUAL_CALL(_structured_text_parser, st_args, text, stt); + } else { + stt = TS->parse_structured_text(st_parser, st_args, text); + } + TS->shaped_text_set_bidi_override(text_rid, stt); + + dirty_text = false; + dirty_font = false; + dirty_lines = true; + } else if (dirty_font) { + int spans = TS->shaped_get_span_count(text_rid); + for (int i = 0; i < spans; i++) { + TS->shaped_set_span_update_font(text_rid, i, font->get_rids(), font_size, opentype_features); + } + + dirty_font = false; + dirty_lines = true; + } + + if (dirty_lines) { + for (int i = 0; i < lines_rid.size(); i++) { + TS->free_rid(lines_rid[i]); + } + lines_rid.clear(); + + uint16_t autowrap_flags = TextServer::BREAK_MANDATORY; + switch (autowrap_mode) { + case AUTOWRAP_WORD_SMART: + autowrap_flags = TextServer::BREAK_WORD_BOUND_ADAPTIVE | TextServer::BREAK_MANDATORY; + break; + case AUTOWRAP_WORD: + autowrap_flags = TextServer::BREAK_WORD_BOUND | TextServer::BREAK_MANDATORY; + break; + case AUTOWRAP_ARBITRARY: + autowrap_flags = TextServer::BREAK_GRAPHEME_BOUND | TextServer::BREAK_MANDATORY; + break; + case AUTOWRAP_OFF: + break; + } + PackedInt32Array line_breaks = TS->shaped_text_get_line_breaks(text_rid, width, 0, autowrap_flags); + + float max_line_w = 0.0; + for (int i = 0; i < line_breaks.size(); i = i + 2) { + RID line = TS->shaped_text_substr(text_rid, line_breaks[i], line_breaks[i + 1] - line_breaks[i]); + max_line_w = MAX(max_line_w, TS->shaped_text_get_width(line)); + lines_rid.push_back(line); + } + + if (horizontal_alignment == HORIZONTAL_ALIGNMENT_FILL) { + for (int i = 0; i < lines_rid.size() - 1; i++) { + TS->shaped_text_fit_to_width(lines_rid[i], (width > 0) ? width : max_line_w, TextServer::JUSTIFICATION_WORD_BOUND | TextServer::JUSTIFICATION_KASHIDA); + } + } + dirty_lines = false; + } + + // Generate surfaces and materials. + float total_h = 0.0; + for (int i = 0; i < lines_rid.size(); i++) { + total_h += (TS->shaped_text_get_size(lines_rid[i]).y + font->get_spacing(TextServer::SPACING_TOP) + font->get_spacing(TextServer::SPACING_BOTTOM) + line_spacing) * pixel_size; + } + + float vbegin = 0.0; + switch (vertical_alignment) { + case VERTICAL_ALIGNMENT_FILL: + case VERTICAL_ALIGNMENT_TOP: { + // Nothing. + } break; + case VERTICAL_ALIGNMENT_CENTER: { + vbegin = (total_h - line_spacing * pixel_size) / 2.0; + } break; + case VERTICAL_ALIGNMENT_BOTTOM: { + vbegin = (total_h - line_spacing * pixel_size); + } break; + } + + Vector2 offset = Vector2(0, vbegin); + for (int i = 0; i < lines_rid.size(); i++) { + const Glyph *glyphs = TS->shaped_text_get_glyphs(lines_rid[i]); + int gl_size = TS->shaped_text_get_glyph_count(lines_rid[i]); + float line_width = TS->shaped_text_get_width(lines_rid[i]) * pixel_size; + + switch (horizontal_alignment) { + case HORIZONTAL_ALIGNMENT_LEFT: + offset.x = 0.0; + break; + case HORIZONTAL_ALIGNMENT_FILL: + case HORIZONTAL_ALIGNMENT_CENTER: { + offset.x = -line_width / 2.0; + } break; + case HORIZONTAL_ALIGNMENT_RIGHT: { + offset.x = -line_width; + } break; + } + offset.y -= (TS->shaped_text_get_ascent(lines_rid[i]) + font->get_spacing(TextServer::SPACING_TOP)) * pixel_size; + + if (outline_modulate.a != 0.0 && outline_size > 0) { + // Outline surfaces. + Vector2 ol_offset = offset; + for (int j = 0; j < gl_size; j++) { + _generate_glyph_surfaces(glyphs[j], ol_offset, outline_modulate, -1, outline_size); + } + } + + // Main text surfaces. + for (int j = 0; j < gl_size; j++) { + _generate_glyph_surfaces(glyphs[j], offset, modulate, 0); + } + offset.y -= (TS->shaped_text_get_descent(lines_rid[i]) + line_spacing + font->get_spacing(TextServer::SPACING_BOTTOM)) * pixel_size; + } + + for (Map<uint64_t, SurfaceData>::Element *E = surfaces.front(); E; E = E->next()) { + Array mesh_array; + mesh_array.resize(RS::ARRAY_MAX); + mesh_array[RS::ARRAY_VERTEX] = E->get().mesh_vertices; + mesh_array[RS::ARRAY_NORMAL] = E->get().mesh_normals; + mesh_array[RS::ARRAY_TANGENT] = E->get().mesh_tangents; + mesh_array[RS::ARRAY_COLOR] = E->get().mesh_colors; + mesh_array[RS::ARRAY_TEX_UV] = E->get().mesh_uvs; + mesh_array[RS::ARRAY_INDEX] = E->get().indices; + + RS::SurfaceData sd; + RS::get_singleton()->mesh_create_surface_data_from_arrays(&sd, RS::PRIMITIVE_TRIANGLES, mesh_array); + + sd.material = E->get().material; + + RS::get_singleton()->mesh_add_surface(mesh, sd); + } +} + +void Label3D::set_text(const String &p_string) { + text = p_string; + xl_text = tr(p_string); + dirty_text = true; + _queue_update(); +} + +String Label3D::get_text() const { + return text; +} + +void Label3D::set_horizontal_alignment(HorizontalAlignment p_alignment) { + ERR_FAIL_INDEX((int)p_alignment, 4); + if (horizontal_alignment != p_alignment) { + if (horizontal_alignment == HORIZONTAL_ALIGNMENT_FILL || p_alignment == HORIZONTAL_ALIGNMENT_FILL) { + dirty_lines = true; // Reshape lines. + } + horizontal_alignment = p_alignment; + _queue_update(); + } +} + +HorizontalAlignment Label3D::get_horizontal_alignment() const { + return horizontal_alignment; +} + +void Label3D::set_vertical_alignment(VerticalAlignment p_alignment) { + ERR_FAIL_INDEX((int)p_alignment, 4); + if (vertical_alignment != p_alignment) { + vertical_alignment = p_alignment; + _queue_update(); + } +} + +VerticalAlignment Label3D::get_vertical_alignment() const { + return vertical_alignment; +} + +void Label3D::set_text_direction(TextServer::Direction p_text_direction) { + ERR_FAIL_COND((int)p_text_direction < -1 || (int)p_text_direction > 3); + if (text_direction != p_text_direction) { + text_direction = p_text_direction; + dirty_text = true; + _queue_update(); + } +} + +TextServer::Direction Label3D::get_text_direction() const { + return text_direction; +} + +void Label3D::clear_opentype_features() { + opentype_features.clear(); + dirty_font = true; + _queue_update(); +} + +void Label3D::set_opentype_feature(const String &p_name, int p_value) { + int32_t tag = TS->name_to_tag(p_name); + if (!opentype_features.has(tag) || (int)opentype_features[tag] != p_value) { + opentype_features[tag] = p_value; + dirty_font = true; + _queue_update(); + } +} + +int Label3D::get_opentype_feature(const String &p_name) const { + int32_t tag = TS->name_to_tag(p_name); + if (!opentype_features.has(tag)) { + return -1; + } + return opentype_features[tag]; +} + +void Label3D::set_language(const String &p_language) { + if (language != p_language) { + language = p_language; + dirty_text = true; + _queue_update(); + } +} + +String Label3D::get_language() const { + return language; +} + +void Label3D::set_structured_text_bidi_override(TextServer::StructuredTextParser p_parser) { + if (st_parser != p_parser) { + st_parser = p_parser; + dirty_text = true; + _queue_update(); + } +} + +TextServer::StructuredTextParser Label3D::get_structured_text_bidi_override() const { + return st_parser; +} + +void Label3D::set_structured_text_bidi_override_options(Array p_args) { + if (st_args != p_args) { + st_args = p_args; + dirty_text = true; + _queue_update(); + } +} + +Array Label3D::get_structured_text_bidi_override_options() const { + return st_args; +} + +void Label3D::set_uppercase(bool p_uppercase) { + if (uppercase != p_uppercase) { + uppercase = p_uppercase; + dirty_text = true; + _queue_update(); + } +} + +bool Label3D::is_uppercase() const { + return uppercase; +} + +void Label3D::_font_changed() { + dirty_font = true; + _queue_update(); +} + +void Label3D::set_font(const Ref<Font> &p_font) { + if (font_override != p_font) { + if (font_override.is_valid()) { + font_override->disconnect(CoreStringNames::get_singleton()->changed, Callable(this, "_font_changed")); + } + font_override = p_font; + dirty_font = true; + if (font_override.is_valid()) { + font_override->connect(CoreStringNames::get_singleton()->changed, Callable(this, "_font_changed")); + } + _queue_update(); + } +} + +Ref<Font> Label3D::get_font() const { + return font_override; +} + +Ref<Font> Label3D::_get_font_or_default() const { + if (font_override.is_valid() && font_override->get_data_count() > 0) { + return font_override; + } + + // Check the project-defined Theme resource. + if (Theme::get_project_default().is_valid()) { + List<StringName> theme_types; + Theme::get_project_default()->get_type_dependencies(get_class_name(), StringName(), &theme_types); + + for (const StringName &E : theme_types) { + if (Theme::get_project_default()->has_theme_item(Theme::DATA_TYPE_FONT, "font", E)) { + return Theme::get_project_default()->get_theme_item(Theme::DATA_TYPE_FONT, "font", E); + } + } + } + + // Lastly, fall back on the items defined in the default Theme, if they exist. + { + List<StringName> theme_types; + Theme::get_default()->get_type_dependencies(get_class_name(), StringName(), &theme_types); + + for (const StringName &E : theme_types) { + if (Theme::get_default()->has_theme_item(Theme::DATA_TYPE_FONT, "font", E)) { + return Theme::get_default()->get_theme_item(Theme::DATA_TYPE_FONT, "font", E); + } + } + } + + // If they don't exist, use any type to return the default/empty value. + return Theme::get_default()->get_theme_item(Theme::DATA_TYPE_FONT, "font", StringName()); +} + +void Label3D::set_font_size(int p_size) { + if (font_size != p_size) { + font_size = p_size; + dirty_font = true; + _queue_update(); + } +} + +int Label3D::get_font_size() const { + return font_size; +} + +void Label3D::set_outline_size(int p_size) { + if (outline_size != p_size) { + outline_size = p_size; + _queue_update(); + } +} + +int Label3D::get_outline_size() const { + return outline_size; +} + +void Label3D::set_modulate(const Color &p_color) { + if (modulate != p_color) { + modulate = p_color; + _queue_update(); + } +} + +Color Label3D::get_modulate() const { + return modulate; +} + +void Label3D::set_outline_modulate(const Color &p_color) { + if (outline_modulate != p_color) { + outline_modulate = p_color; + _queue_update(); + } +} + +Color Label3D::get_outline_modulate() const { + return outline_modulate; +} + +void Label3D::set_autowrap_mode(Label3D::AutowrapMode p_mode) { + if (autowrap_mode != p_mode) { + autowrap_mode = p_mode; + dirty_lines = true; + _queue_update(); + } +} + +Label3D::AutowrapMode Label3D::get_autowrap_mode() const { + return autowrap_mode; +} + +void Label3D::set_width(float p_width) { + if (width != p_width) { + width = p_width; + dirty_lines = true; + _queue_update(); + } +} + +float Label3D::get_width() const { + return width; +} + +void Label3D::set_pixel_size(real_t p_amount) { + if (pixel_size != p_amount) { + pixel_size = p_amount; + _queue_update(); + } +} + +real_t Label3D::get_pixel_size() const { + return pixel_size; +} + +void Label3D::set_line_spacing(float p_line_spacing) { + if (line_spacing != p_line_spacing) { + line_spacing = p_line_spacing; + _queue_update(); + } +} + +float Label3D::get_line_spacing() const { + return line_spacing; +} + +void Label3D::set_draw_flag(DrawFlags p_flag, bool p_enable) { + ERR_FAIL_INDEX(p_flag, FLAG_MAX); + if (flags[p_flag] != p_enable) { + flags[p_flag] = p_enable; + _queue_update(); + } +} + +bool Label3D::get_draw_flag(DrawFlags p_flag) const { + ERR_FAIL_INDEX_V(p_flag, FLAG_MAX, false); + return flags[p_flag]; +} + +void Label3D::set_billboard_mode(StandardMaterial3D::BillboardMode p_mode) { + ERR_FAIL_INDEX(p_mode, 3); + if (billboard_mode != p_mode) { + billboard_mode = p_mode; + _queue_update(); + } +} + +StandardMaterial3D::BillboardMode Label3D::get_billboard_mode() const { + return billboard_mode; +} + +void Label3D::set_alpha_cut_mode(AlphaCutMode p_mode) { + ERR_FAIL_INDEX(p_mode, 3); + if (alpha_cut != p_mode) { + alpha_cut = p_mode; + _queue_update(); + } +} + +void Label3D::set_texture_filter(StandardMaterial3D::TextureFilter p_filter) { + if (texture_filter != p_filter) { + texture_filter = p_filter; + _queue_update(); + } +} + +StandardMaterial3D::TextureFilter Label3D::get_texture_filter() const { + return texture_filter; +} + +Label3D::AlphaCutMode Label3D::get_alpha_cut_mode() const { + return alpha_cut; +} + +void Label3D::set_alpha_scissor_threshold(float p_threshold) { + if (alpha_scissor_threshold != p_threshold) { + alpha_scissor_threshold = p_threshold; + _queue_update(); + } +} + +float Label3D::get_alpha_scissor_threshold() const { + return alpha_scissor_threshold; +} + +Label3D::Label3D() { + for (int i = 0; i < FLAG_MAX; i++) { + flags[i] = (i == FLAG_DOUBLE_SIDED); + } + + text_rid = TS->create_shaped_text(); + + mesh = RenderingServer::get_singleton()->mesh_create(); + + set_cast_shadows_setting(SHADOW_CASTING_SETTING_OFF); + set_base(mesh); +} + +Label3D::~Label3D() { + for (int i = 0; i < lines_rid.size(); i++) { + TS->free_rid(lines_rid[i]); + } + lines_rid.clear(); + + TS->free_rid(text_rid); + + RenderingServer::get_singleton()->free(mesh); + for (Map<uint64_t, SurfaceData>::Element *E = surfaces.front(); E; E = E->next()) { + RenderingServer::get_singleton()->free(E->get().material); + } + surfaces.clear(); +} |