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godot/scene/3d/label_3d.cpp

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/**************************************************************************/
/* label_3d.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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_uppercase", "enable"), &Label3D::set_uppercase);
ClassDB::bind_method(D_METHOD("is_uppercase"), &Label3D::is_uppercase);
ClassDB::bind_method(D_METHOD("set_render_priority", "priority"), &Label3D::set_render_priority);
ClassDB::bind_method(D_METHOD("get_render_priority"), &Label3D::get_render_priority);
ClassDB::bind_method(D_METHOD("set_outline_render_priority", "priority"), &Label3D::set_outline_render_priority);
ClassDB::bind_method(D_METHOD("get_outline_render_priority"), &Label3D::get_outline_render_priority);
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_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", "autowrap_mode"), &Label3D::set_autowrap);
ClassDB::bind_method(D_METHOD("get_autowrap"), &Label3D::get_autowrap);
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_offset", "offset"), &Label3D::set_offset);
ClassDB::bind_method(D_METHOD("get_offset"), &Label3D::get_offset);
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("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::REAL, "pixel_size", PROPERTY_HINT_RANGE, "0.0001,128,0.0001"), "set_pixel_size", "get_pixel_size");
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "offset"), "set_offset", "get_offset");
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::REAL, "alpha_scissor_threshold", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_alpha_scissor_threshold", "get_alpha_scissor_threshold");
ADD_PROPERTY(PropertyInfo(Variant::INT, "render_priority", PROPERTY_HINT_RANGE, itos(VS::MATERIAL_RENDER_PRIORITY_MIN) + "," + itos(VS::MATERIAL_RENDER_PRIORITY_MAX) + ",1"), "set_render_priority", "get_render_priority");
ADD_PROPERTY(PropertyInfo(Variant::INT, "outline_render_priority", PROPERTY_HINT_RANGE, itos(VS::MATERIAL_RENDER_PRIORITY_MIN) + "," + itos(VS::MATERIAL_RENDER_PRIORITY_MAX) + ",1"), "set_outline_render_priority", "get_outline_render_priority");
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, "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::REAL, "line_spacing"), "set_line_spacing", "get_line_spacing");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "autowrap"), "set_autowrap", "get_autowrap");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "width"), "set_width", "get_width");
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);
BIND_ENUM_CONSTANT(ALIGN_LEFT);
BIND_ENUM_CONSTANT(ALIGN_CENTER);
BIND_ENUM_CONSTANT(ALIGN_RIGHT);
BIND_ENUM_CONSTANT(ALIGN_FILL);
BIND_ENUM_CONSTANT(VALIGN_TOP);
BIND_ENUM_CONSTANT(VALIGN_CENTER);
BIND_ENUM_CONSTANT(VALIGN_BOTTOM);
BIND_ENUM_CONSTANT(VALIGN_FILL);
}
void Label3D::_validate_property(PropertyInfo &property) const {
if (property.name == "material_override" || property.name == "material_overlay") {
property.usage = PROPERTY_USAGE_NOEDITOR;
}
}
int Label3D::get_longest_line_width() const {
Ref<Font> font = _get_font_or_default();
real_t max_line_width = 0;
real_t line_width = 0;
for (int i = 0; i < xl_text.size(); i++) {
CharType current = xl_text[i];
if (uppercase) {
current = String::char_uppercase(current);
}
if (current < 32) {
if (current == '\n') {
if (line_width > max_line_width) {
max_line_width = line_width;
}
line_width = 0;
}
} else {
real_t char_width = font->get_char_size(current, xl_text[i + 1]).width;
line_width += char_width;
}
}
if (line_width > max_line_width) {
max_line_width = line_width;
}
// ceiling to ensure autowrapping does not cut text
return Math::ceil(max_line_width);
}
void Label3D::regenerate_word_cache() {
while (word_cache) {
WordCache *current = word_cache;
word_cache = current->next;
memdelete(current);
}
int max_line_width;
if (autowrap) {
max_line_width = width;
} else {
max_line_width = get_longest_line_width();
}
Ref<Font> font = _get_font_or_default();
real_t current_word_size = 0;
int word_pos = 0;
real_t line_width = 0;
int space_count = 0;
real_t space_width = font->get_char_size(' ').width;
line_count = 1;
bool was_separatable = false;
WordCache *last = nullptr;
for (int i = 0; i <= xl_text.length(); i++) {
CharType current = i < xl_text.length() ? xl_text[i] : L' '; //always a space at the end, so the algo works
if (uppercase) {
current = String::char_uppercase(current);
}
// ranges taken from https://en.wikipedia.org/wiki/Plane_(Unicode)
// if your language is not well supported, consider helping improve
// the unicode support in Godot.
bool separatable = (current >= 0x2E08 && current <= 0x9FFF) || // CJK scripts and symbols.
(current >= 0xAC00 && current <= 0xD7FF) || // Hangul Syllables and Hangul Jamo Extended-B.
(current >= 0xF900 && current <= 0xFAFF) || // CJK Compatibility Ideographs.
(current >= 0xFE30 && current <= 0xFE4F) || // CJK Compatibility Forms.
(current >= 0xFF65 && current <= 0xFF9F) || // Halfwidth forms of katakana
(current >= 0xFFA0 && current <= 0xFFDC) || // Halfwidth forms of compatibility jamo characters for Hangul
(current >= 0x20000 && current <= 0x2FA1F) || // CJK Unified Ideographs Extension B ~ F and CJK Compatibility Ideographs Supplement.
(current >= 0x30000 && current <= 0x3134F); // CJK Unified Ideographs Extension G.
bool insert_newline = false;
real_t char_width = 0;
bool separation_changed = i > 0 && was_separatable != separatable;
was_separatable = separatable;
if (current < 33) { // Control characters and space.
if (current_word_size > 0) { // These characters always create a word-break.
WordCache *wc = memnew(WordCache);
if (word_cache) {
last->next = wc;
} else {
word_cache = wc;
}
last = wc;
wc->pixel_width = current_word_size;
wc->char_pos = word_pos;
wc->word_len = i - word_pos;
wc->space_count = space_count;
current_word_size = 0;
space_count = 0;
} else if ((i == xl_text.length() || current == '\n') && last != nullptr && space_count != 0) {
// In case there are trailing white spaces we add a placeholder word cache with just the spaces.
WordCache *wc = memnew(WordCache);
if (word_cache) {
last->next = wc;
} else {
word_cache = wc;
}
last = wc;
wc->pixel_width = 0;
wc->char_pos = 0;
wc->word_len = 0;
wc->space_count = space_count;
current_word_size = 0;
space_count = 0;
}
if (current == '\n') {
insert_newline = true;
}
if (i < xl_text.length() && xl_text[i] == ' ') {
if (line_width == 0) {
if (current_word_size == 0) {
word_pos = i;
}
current_word_size += space_width;
line_width += space_width;
} else if (line_width > 0 || last == nullptr || last->char_pos != WordCache::CHAR_WRAPLINE) {
space_count++;
line_width += space_width;
} else {
space_count = 0;
}
}
} else { // Characters with graphical representation.
// Word-break on CJK & non-CJK edge.
if (separation_changed && current_word_size > 0) {
WordCache *wc = memnew(WordCache);
if (word_cache) {
last->next = wc;
} else {
word_cache = wc;
}
last = wc;
wc->pixel_width = current_word_size;
wc->char_pos = word_pos;
wc->word_len = i - word_pos;
wc->space_count = space_count;
current_word_size = 0;
space_count = 0;
}
if (current_word_size == 0) {
word_pos = i;
}
char_width = font->get_char_size(current, xl_text[i + 1]).width;
current_word_size += char_width;
line_width += char_width;
// allow autowrap to cut words when they exceed line width
if (autowrap && (current_word_size > max_line_width)) {
separatable = true;
}
}
if ((autowrap && (line_width >= max_line_width) && ((last && last->char_pos >= 0) || separatable)) || insert_newline) {
if (separatable) {
if (current_word_size > 0) {
WordCache *wc = memnew(WordCache);
if (word_cache) {
last->next = wc;
} else {
word_cache = wc;
}
last = wc;
wc->pixel_width = current_word_size - char_width;
wc->char_pos = word_pos;
wc->word_len = i - word_pos;
wc->space_count = space_count;
current_word_size = char_width;
word_pos = i;
}
}
WordCache *wc = memnew(WordCache);
if (word_cache) {
last->next = wc;
} else {
word_cache = wc;
}
last = wc;
wc->pixel_width = 0;
wc->char_pos = insert_newline ? WordCache::CHAR_NEWLINE : WordCache::CHAR_WRAPLINE;
line_width = current_word_size;
line_count++;
space_count = 0;
}
}
word_cache_dirty = false;
}
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;
regenerate_word_cache();
_queue_update();
} break;
}
}
void Label3D::_im_update() {
_shape();
triangle_mesh.unref();
update_gizmo();
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>();
}
PoolVector<Vector3> faces;
faces.resize(6);
PoolVector<Vector3>::Write facesw = faces.write();
if (word_cache_dirty) {
const_cast<Label3D *>(this)->regenerate_word_cache();
}
float font_h = font->get_height() + line_spacing;
real_t space_w = font->get_char_size(' ').width;
float total_h = line_count * font_h;
float vbegin = 0;
switch (vertical_alignment) {
case VALIGN_FILL:
case VALIGN_TOP: {
// Nothing.
} break;
case VALIGN_CENTER: {
vbegin = (total_h - line_spacing) / 2.0;
} break;
case VALIGN_BOTTOM: {
vbegin = (total_h - line_spacing);
} break;
}
WordCache *wc = word_cache;
if (!wc) {
return Ref<TriangleMesh>();
}
float max_line_w = 0.0;
int line = 0;
while (wc) {
if (line >= line_count) {
break;
}
if (wc->char_pos < 0) {
wc = wc->next;
line++;
continue;
}
WordCache *to = wc;
float taken = 0;
int spaces = 0;
while (to && to->char_pos >= 0) {
taken += to->pixel_width;
if (to->space_count) {
spaces += to->space_count;
}
to = to->next;
}
max_line_w = MAX(max_line_w, (taken + spaces * space_w));
wc = to ? to->next : nullptr;
line++;
}
Vector2 offset = Vector2(0, vbegin);
switch (horizontal_alignment) {
case ALIGN_FILL:
case ALIGN_LEFT: {
// Noting
} break;
case ALIGN_CENTER: {
offset.x = -max_line_w / 2.0;
} break;
case ALIGN_RIGHT: {
offset.x = -max_line_w;
} break;
}
Rect2 final_rect = Rect2(offset + lbl_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;
}
PoolVector<Face3> Label3D::get_faces(uint32_t p_usage_flags) const {
return PoolVector<Face3>();
}
float Label3D::_generate_glyph_surfaces(const Ref<Font> &p_font, CharType p_char, CharType p_next, Vector2 p_offset, const Color &p_modulate, int p_priority, bool p_outline) {
Vector2 gl_of;
Vector2 gl_sz;
Rect2 gl_uv;
Size2 texs;
RID tex;
tex = p_font->get_char_texture(p_char, p_next, p_outline);
gl_of = p_font->get_char_tx_offset(p_char, p_next, p_outline);
gl_sz = p_font->get_char_tx_size(p_char, p_next, p_outline);
gl_uv = p_font->get_char_tx_uv_rect(p_char, p_next, p_outline);
texs = p_font->get_char_texture_size(p_char, p_next, p_outline);
SurfaceKey key = SurfaceKey(tex.get_id(), p_priority);
if (!surfaces.has(key)) {
SurfaceData surf;
surf.material = RID_PRIME(VisualServer::get_singleton()->material_create());
// Set defaults for material, names need to match up those in SpatialMaterial
VS::get_singleton()->material_set_param(surf.material, "albedo", Color(1, 1, 1, 1));
VS::get_singleton()->material_set_param(surf.material, "specular", 0.5);
VS::get_singleton()->material_set_param(surf.material, "metallic", 0.0);
VS::get_singleton()->material_set_param(surf.material, "roughness", 1.0);
VS::get_singleton()->material_set_param(surf.material, "uv1_offset", Vector3(0, 0, 0));
VS::get_singleton()->material_set_param(surf.material, "uv1_scale", Vector3(1, 1, 1));
VS::get_singleton()->material_set_param(surf.material, "uv2_offset", Vector3(0, 0, 0));
VS::get_singleton()->material_set_param(surf.material, "uv2_scale", Vector3(1, 1, 1));
VS::get_singleton()->material_set_param(surf.material, "alpha_scissor_threshold", alpha_scissor_threshold);
RID shader_rid = SpatialMaterial::get_material_rid_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() == SpatialMaterial::BILLBOARD_ENABLED, get_billboard_mode() == SpatialMaterial::BILLBOARD_FIXED_Y, get_draw_flag(FLAG_DISABLE_DEPTH_TEST), get_draw_flag(FLAG_FIXED_SIZE), p_font->is_distance_field_hint());
VS::get_singleton()->material_set_shader(surf.material, VS::get_singleton()->material_get_shader(shader_rid));
VS::get_singleton()->material_set_param(surf.material, "texture_albedo", tex);
if (get_alpha_cut_mode() == ALPHA_CUT_DISABLED) {
VS::get_singleton()->material_set_render_priority(surf.material, p_priority);
} else {
surf.z_shift = p_priority;
}
surfaces[key] = surf;
}
SurfaceData &s = surfaces[key];
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(p_offset.x + gl_of.x, p_offset.y - gl_of.y - gl_sz.y, s.z_shift) * pixel_size;
s.mesh_vertices.write()[(s.offset * 4) + 2] = Vector3(p_offset.x + gl_of.x + gl_sz.x, p_offset.y - gl_of.y - gl_sz.y, s.z_shift) * pixel_size;
s.mesh_vertices.write()[(s.offset * 4) + 1] = Vector3(p_offset.x + gl_of.x + gl_sz.x, p_offset.y - gl_of.y, s.z_shift) * pixel_size;
s.mesh_vertices.write()[(s.offset * 4) + 0] = Vector3(p_offset.x + gl_of.x, p_offset.y - gl_of.y, s.z_shift) * pixel_size;
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++;
return p_font->get_char_size(p_char, p_next).x;
}
void Label3D::_shape() {
// Clear mesh.
VS::get_singleton()->mesh_clear(mesh);
aabb = AABB();
// Clear materials.
{
const SurfaceKey *k = nullptr;
while ((k = surfaces.next(k))) {
VS::get_singleton()->free(surfaces[*k].material);
}
surfaces.clear();
}
Ref<Font> font = _get_font_or_default();
ERR_FAIL_COND(font.is_null());
if (word_cache_dirty) {
regenerate_word_cache();
}
// Generate surfaces and materials.
float font_h = font->get_height() + line_spacing;
real_t space_w = font->get_char_size(' ').width;
float total_h = line_count * font_h;
float vbegin = 0.0;
switch (vertical_alignment) {
case VALIGN_FILL:
case VALIGN_TOP: {
// Nothing.
} break;
case VALIGN_CENTER: {
vbegin = (total_h - line_spacing) / 2.0;
} break;
case VALIGN_BOTTOM: {
vbegin = (total_h - line_spacing);
} break;
}
WordCache *wc = word_cache;
if (!wc) {
return;
}
int line = 0;
while (wc) {
if (line >= line_count) {
break;
}
if (wc->char_pos < 0) {
wc = wc->next;
line++;
continue;
}
WordCache *from = wc;
WordCache *to = wc;
float taken = 0;
int spaces = 0;
while (to && to->char_pos >= 0) {
taken += to->pixel_width;
if (to->space_count) {
spaces += to->space_count;
}
to = to->next;
}
bool can_fill = to && (to->char_pos == WordCache::CHAR_WRAPLINE || to->char_pos == WordCache::CHAR_NEWLINE);
float x_ofs = 0;
switch (horizontal_alignment) {
case ALIGN_FILL: {
x_ofs = -width / 2.0;
} break;
case ALIGN_LEFT: {
// Noting
} break;
case ALIGN_CENTER: {
x_ofs = -(taken + spaces * space_w) / 2.0;
} break;
case ALIGN_RIGHT: {
x_ofs = -(taken + spaces * space_w);
} break;
}
float y_ofs = 0;
y_ofs -= line * font_h + font->get_ascent();
y_ofs += vbegin;
while (from != to) {
// draw a word
int pos = from->char_pos;
if (from->char_pos < 0) {
ERR_PRINT("BUG");
return;
}
if (from->space_count) {
/* spacing */
x_ofs += space_w * from->space_count;
if (can_fill && horizontal_alignment == ALIGN_FILL && spaces) {
x_ofs += ((width - (taken + space_w * spaces)) / spaces);
}
}
if (font->has_outline()) {
float x_ofs_ol = x_ofs;
for (int i = 0; i < from->word_len; i++) {
CharType c = xl_text[i + pos];
CharType n = xl_text[i + pos + 1];
if (uppercase) {
c = String::char_uppercase(c);
n = String::char_uppercase(n);
}
x_ofs_ol += _generate_glyph_surfaces(font, c, n, lbl_offset + Point2(x_ofs_ol, y_ofs), outline_modulate, outline_render_priority, true);
}
}
for (int i = 0; i < from->word_len; i++) {
CharType c = xl_text[i + pos];
CharType n = xl_text[i + pos + 1];
if (uppercase) {
c = String::char_uppercase(c);
n = String::char_uppercase(n);
}
x_ofs += _generate_glyph_surfaces(font, c, n, lbl_offset + Point2(x_ofs, y_ofs), modulate, render_priority, false);
}
from = from->next;
}
wc = to ? to->next : nullptr;
line++;
}
const SurfaceKey *k = nullptr;
int idx = 0;
while ((k = surfaces.next(k))) {
const SurfaceData &surf = surfaces[*k];
Array mesh_array;
mesh_array.resize(VS::ARRAY_MAX);
mesh_array[VS::ARRAY_VERTEX] = surf.mesh_vertices;
mesh_array[VS::ARRAY_NORMAL] = surf.mesh_normals;
mesh_array[VS::ARRAY_TANGENT] = surf.mesh_tangents;
mesh_array[VS::ARRAY_COLOR] = surf.mesh_colors;
mesh_array[VS::ARRAY_TEX_UV] = surf.mesh_uvs;
mesh_array[VS::ARRAY_INDEX] = surf.indices;
VS::get_singleton()->mesh_add_surface_from_arrays(mesh, VS::PRIMITIVE_TRIANGLES, mesh_array);
VS::get_singleton()->instance_set_surface_material(get_instance(), idx++, surf.material);
}
}
void Label3D::set_text(const String &p_string) {
text = p_string;
xl_text = tr(p_string);
word_cache_dirty = true;
_queue_update();
}
String Label3D::get_text() const {
return text;
}
void Label3D::set_horizontal_alignment(Label3D::Align p_alignment) {
ERR_FAIL_INDEX((int)p_alignment, 4);
if (horizontal_alignment != p_alignment) {
horizontal_alignment = p_alignment;
_queue_update();
}
}
Label3D::Align Label3D::get_horizontal_alignment() const {
return horizontal_alignment;
}
void Label3D::set_vertical_alignment(Label3D::VAlign p_alignment) {
ERR_FAIL_INDEX((int)p_alignment, 4);
if (vertical_alignment != p_alignment) {
vertical_alignment = p_alignment;
_queue_update();
}
}
Label3D::VAlign Label3D::get_vertical_alignment() const {
return vertical_alignment;
}
void Label3D::set_uppercase(bool p_uppercase) {
if (uppercase != p_uppercase) {
uppercase = p_uppercase;
word_cache_dirty = true;
_queue_update();
}
}
bool Label3D::is_uppercase() const {
return uppercase;
}
void Label3D::set_render_priority(int p_priority) {
ERR_FAIL_COND(p_priority < VS::MATERIAL_RENDER_PRIORITY_MIN || p_priority > VS::MATERIAL_RENDER_PRIORITY_MAX);
if (render_priority != p_priority) {
render_priority = p_priority;
_queue_update();
}
}
int Label3D::get_render_priority() const {
return render_priority;
}
void Label3D::set_outline_render_priority(int p_priority) {
ERR_FAIL_COND(p_priority < VS::MATERIAL_RENDER_PRIORITY_MIN || p_priority > VS::MATERIAL_RENDER_PRIORITY_MAX);
if (outline_render_priority != p_priority) {
outline_render_priority = p_priority;
_queue_update();
}
}
int Label3D::get_outline_render_priority() const {
return outline_render_priority;
}
void Label3D::_font_changed() {
word_cache_dirty = 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, this, "_font_changed");
}
font_override = p_font;
if (font_override.is_valid()) {
font_override->connect(CoreStringNames::get_singleton()->changed, this, "_font_changed");
}
_queue_update();
}
}
Ref<Font> Label3D::get_font() const {
return font_override;
}
Ref<Font> Label3D::_get_font_or_default() const {
if (theme_font.is_valid()) {
theme_font->disconnect(CoreStringNames::get_singleton()->changed, const_cast<Label3D *>(this), "_font_changed");
theme_font.unref();
}
if (font_override.is_valid()) {
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 (List<StringName>::Element *E = theme_types.front(); E; E = E->next()) {
if (Theme::get_project_default()->has_theme_item(Theme::DATA_TYPE_FONT, "font", E->get())) {
Ref<Font> f = Theme::get_project_default()->get_theme_item(Theme::DATA_TYPE_FONT, "font", E->get());
if (f.is_valid()) {
theme_font = f;
theme_font->connect(CoreStringNames::get_singleton()->changed, const_cast<Label3D *>(this), "_font_changed");
}
return f;
}
}
}
// 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 (List<StringName>::Element *E = theme_types.front(); E; E = E->next()) {
if (Theme::get_default()->has_theme_item(Theme::DATA_TYPE_FONT, "font", E->get())) {
Ref<Font> f = Theme::get_default()->get_theme_item(Theme::DATA_TYPE_FONT, "font", E->get());
if (f.is_valid()) {
theme_font = f;
theme_font->connect(CoreStringNames::get_singleton()->changed, const_cast<Label3D *>(this), "_font_changed");
}
return f;
}
}
}
// If they don't exist, use any type to return the default/empty value.
Ref<Font> f = Theme::get_default()->get_theme_item(Theme::DATA_TYPE_FONT, "font", StringName());
if (f.is_valid()) {
theme_font = f;
theme_font->connect(CoreStringNames::get_singleton()->changed, const_cast<Label3D *>(this), "_font_changed");
}
return f;
}
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(bool p_autowrap) {
if (autowrap != p_autowrap) {
autowrap = p_autowrap;
word_cache_dirty = true;
_queue_update();
}
}
bool Label3D::get_autowrap() const {
return autowrap;
}
void Label3D::set_width(float p_width) {
if (width != p_width) {
width = p_width;
word_cache_dirty = 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_offset(const Point2 &p_offset) {
if (lbl_offset != p_offset) {
lbl_offset = p_offset;
_queue_update();
}
}
Point2 Label3D::get_offset() const {
return lbl_offset;
}
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(SpatialMaterial::BillboardMode p_mode) {
ERR_FAIL_INDEX(p_mode, 3);
if (billboard_mode != p_mode) {
billboard_mode = p_mode;
_queue_update();
}
}
SpatialMaterial::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();
}
}
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);
}
mesh = RID_PRIME(VisualServer::get_singleton()->mesh_create());
set_base(mesh);
}
Label3D::~Label3D() {
while (word_cache) {
WordCache *current = word_cache;
word_cache = current->next;
memdelete(current);
}
VS::get_singleton()->free(mesh);
const SurfaceKey *k = nullptr;
while ((k = surfaces.next(k))) {
VS::get_singleton()->free(surfaces[*k].material);
}
surfaces.clear();
}
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