asgardius/virtualx-engine
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions
virtualx-engine/scene/3d/label_3d.cpp
bruvzg be611c1c05
Implement Label3D node. 
Add "generate_mipmap" font import option.
Add some missing features to the Sprite3D.
Move BiDi override code from Control to TextServer.
Add functions to access TextServer font cache textures.
Add MSDF related flags and shader to the standard material.
Change standard material cache to use HashMap instead of Vector.
2022-04-22 12:08:46 +03:00

962 lines
34 KiB
C++
Raw Blame History

/*************************************************************************/
/* 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();
}
Reference in a new issue View git blame Copy permalink