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/*************************************************************************/
/* label_3d.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef LABEL_3D_H
#define LABEL_3D_H
#include "scene/3d/visual_instance_3d.h"
#include "scene/resources/font.h"
#include "servers/text_server.h"
class Label3D : public GeometryInstance3D {
GDCLASS(Label3D, GeometryInstance3D);
public:
enum DrawFlags {
FLAG_SHADED,
FLAG_DOUBLE_SIDED,
FLAG_DISABLE_DEPTH_TEST,
FLAG_FIXED_SIZE,
FLAG_MAX
};
enum AlphaCutMode {
ALPHA_CUT_DISABLED,
ALPHA_CUT_DISCARD,
ALPHA_CUT_OPAQUE_PREPASS
};
private:
real_t pixel_size = 0.01;
bool flags[FLAG_MAX] = {};
AlphaCutMode alpha_cut = ALPHA_CUT_DISABLED;
float alpha_scissor_threshold = 0.5;
AABB aabb;
mutable Ref<TriangleMesh> triangle_mesh;
RID mesh;
struct SurfaceData {
PackedVector3Array mesh_vertices;
PackedVector3Array mesh_normals;
PackedFloat32Array mesh_tangents;
PackedColorArray mesh_colors;
PackedVector2Array mesh_uvs;
PackedInt32Array indices;
int offset = 0;
float z_shift = 0.0;
RID material;
};
struct SurfaceKey {
uint64_t texture_id;
int32_t priority;
int32_t outline_size;
bool operator==(const SurfaceKey &p_b) const {
return (texture_id == p_b.texture_id) && (priority == p_b.priority) && (outline_size == p_b.outline_size);
}
SurfaceKey(uint64_t p_texture_id, int p_priority, int p_outline_size) {
texture_id = p_texture_id;
priority = p_priority;
outline_size = p_outline_size;
}
};
struct SurfaceKeyHasher {
_FORCE_INLINE_ static uint32_t hash(const SurfaceKey &p_a) {
return hash_murmur3_buffer(&p_a, sizeof(SurfaceKey));
}
};
HashMap<SurfaceKey, SurfaceData, SurfaceKeyHasher> surfaces;
HorizontalAlignment horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER;
VerticalAlignment vertical_alignment = VERTICAL_ALIGNMENT_CENTER;
String text;
String xl_text;
bool uppercase = false;
TextServer::AutowrapMode autowrap_mode = TextServer::AUTOWRAP_OFF;
float width = 500.0;
int font_size = 16;
Ref<Font> font_override;
mutable Ref<Font> theme_font;
Color modulate = Color(1, 1, 1, 1);
Point2 lbl_offset;
int outline_render_priority = -1;
int render_priority = 0;
int outline_size = 0;
Color outline_modulate = Color(0, 0, 0, 1);
float line_spacing = 0.f;
Dictionary opentype_features;
String language;
TextServer::Direction text_direction = TextServer::DIRECTION_AUTO;
TextServer::StructuredTextParser st_parser = TextServer::STRUCTURED_TEXT_DEFAULT;
Array st_args;
RID text_rid;
Vector<RID> lines_rid;
RID base_material;
StandardMaterial3D::BillboardMode billboard_mode = StandardMaterial3D::BILLBOARD_DISABLED;
StandardMaterial3D::TextureFilter texture_filter = StandardMaterial3D::TEXTURE_FILTER_LINEAR_WITH_MIPMAPS;
bool pending_update = false;
bool dirty_lines = true;
bool dirty_font = true;
bool dirty_text = true;
void _generate_glyph_surfaces(const Glyph &p_glyph, Vector2 &r_offset, const Color &p_modulate, int p_priority = 0, int p_outline_size = 0);
protected:
GDVIRTUAL2RC(Array, _structured_text_parser, Array, String)
void _notification(int p_what);
static void _bind_methods();
bool _set(const StringName &p_name, const Variant &p_value);
bool _get(const StringName &p_name, Variant &r_ret) const;
void _get_property_list(List<PropertyInfo> *p_list) const;
void _validate_property(PropertyInfo &property) const override;
void _im_update();
void _font_changed();
void _queue_update();
void _shape();
public:
void set_horizontal_alignment(HorizontalAlignment p_alignment);
HorizontalAlignment get_horizontal_alignment() const;
void set_vertical_alignment(VerticalAlignment p_alignment);
VerticalAlignment get_vertical_alignment() const;
void set_render_priority(int p_priority);
int get_render_priority() const;
void set_outline_render_priority(int p_priority);
int get_outline_render_priority() const;
void set_text(const String &p_string);
String get_text() const;
void set_text_direction(TextServer::Direction p_text_direction);
TextServer::Direction get_text_direction() const;
void set_opentype_feature(const String &p_name, int p_value);
int get_opentype_feature(const String &p_name) const;
void clear_opentype_features();
void set_language(const String &p_language);
String get_language() const;
void set_structured_text_bidi_override(TextServer::StructuredTextParser p_parser);
TextServer::StructuredTextParser get_structured_text_bidi_override() const;
void set_structured_text_bidi_override_options(Array p_args);
Array get_structured_text_bidi_override_options() const;
void set_uppercase(bool p_uppercase);
bool is_uppercase() const;
void set_font(const Ref<Font> &p_font);
Ref<Font> get_font() const;
Ref<Font> _get_font_or_default() const;
void set_font_size(int p_size);
int get_font_size() const;
void set_outline_size(int p_size);
int get_outline_size() const;
void set_line_spacing(float p_size);
float get_line_spacing() const;
void set_modulate(const Color &p_color);
Color get_modulate() const;
void set_outline_modulate(const Color &p_color);
Color get_outline_modulate() const;
void set_autowrap_mode(TextServer::AutowrapMode p_mode);
TextServer::AutowrapMode get_autowrap_mode() const;
void set_width(float p_width);
float get_width() const;
void set_pixel_size(real_t p_amount);
real_t get_pixel_size() const;
void set_offset(const Point2 &p_offset);
Point2 get_offset() const;
void set_draw_flag(DrawFlags p_flag, bool p_enable);
bool get_draw_flag(DrawFlags p_flag) const;
void set_alpha_cut_mode(AlphaCutMode p_mode);
AlphaCutMode get_alpha_cut_mode() const;
void set_alpha_scissor_threshold(float p_threshold);
float get_alpha_scissor_threshold() const;
void set_billboard_mode(StandardMaterial3D::BillboardMode p_mode);
StandardMaterial3D::BillboardMode get_billboard_mode() const;
void set_texture_filter(StandardMaterial3D::TextureFilter p_filter);
StandardMaterial3D::TextureFilter get_texture_filter() const;
virtual AABB get_aabb() const override;
Ref<TriangleMesh> generate_triangle_mesh() const;
Label3D();
~Label3D();
};
VARIANT_ENUM_CAST(Label3D::DrawFlags);
VARIANT_ENUM_CAST(Label3D::AlphaCutMode);
#endif // LABEL_3D_H
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