godot/scene/resources/primitive_meshes.h

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18 KiB
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/**************************************************************************/
/* primitive_meshes.h */
/**************************************************************************/
/* 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. */
/**************************************************************************/
#ifndef PRIMITIVE_MESHES_H
#define PRIMITIVE_MESHES_H
#include "scene/resources/font.h"
#include "scene/resources/mesh.h"
#include "servers/text_server.h"
///@TODO probably should change a few integers to unsigned integers...
/**
Base class for all the classes in this file, handles a number of code functions that are shared among all meshes.
This class is set apart that it assumes a single surface is always generated for our mesh.
*/
class PrimitiveMesh : public Mesh {
GDCLASS(PrimitiveMesh, Mesh);
private:
RID mesh;
mutable AABB aabb;
AABB custom_aabb;
mutable int array_len = 0;
mutable int index_array_len = 0;
Ref<Material> material;
bool flip_faces = false;
bool add_uv2 = false;
float uv2_padding = 2.0;
// make sure we do an update after we've finished constructing our object
mutable bool pending_request = true;
void _update() const;
protected:
// assume primitive triangles as the type, correct for all but one and it will change this :)
Mesh::PrimitiveType primitive_type = Mesh::PRIMITIVE_TRIANGLES;
static void _bind_methods();
virtual void _create_mesh_array(Array &p_arr) const {}
void _request_update();
GDVIRTUAL0RC(Array, _create_mesh_array)
Vector2 get_uv2_scale(Vector2 p_margin_scale = Vector2(1.0, 1.0)) const;
float get_lightmap_texel_size() const;
virtual void _update_lightmap_size(){};
public:
virtual int get_surface_count() const override;
virtual int surface_get_array_len(int p_idx) const override;
virtual int surface_get_array_index_len(int p_idx) const override;
virtual Array surface_get_arrays(int p_surface) const override;
virtual TypedArray<Array> surface_get_blend_shape_arrays(int p_surface) const override;
virtual Dictionary surface_get_lods(int p_surface) const override;
virtual BitField<ArrayFormat> surface_get_format(int p_idx) const override;
virtual Mesh::PrimitiveType surface_get_primitive_type(int p_idx) const override;
virtual void surface_set_material(int p_idx, const Ref<Material> &p_material) override;
virtual Ref<Material> surface_get_material(int p_idx) const override;
virtual int get_blend_shape_count() const override;
virtual StringName get_blend_shape_name(int p_index) const override;
virtual void set_blend_shape_name(int p_index, const StringName &p_name) override;
virtual AABB get_aabb() const override;
virtual RID get_rid() const override;
void set_material(const Ref<Material> &p_material);
Ref<Material> get_material() const;
Array get_mesh_arrays() const;
void set_custom_aabb(const AABB &p_custom);
AABB get_custom_aabb() const;
void set_flip_faces(bool p_enable);
bool get_flip_faces() const;
void set_add_uv2(bool p_enable);
bool get_add_uv2() const { return add_uv2; }
void set_uv2_padding(float p_padding);
float get_uv2_padding() const { return uv2_padding; }
PrimitiveMesh();
~PrimitiveMesh();
};
/**
Mesh for a simple capsule
*/
class CapsuleMesh : public PrimitiveMesh {
GDCLASS(CapsuleMesh, PrimitiveMesh);
private:
float radius = 0.5;
float height = 2.0;
int radial_segments = 64;
int rings = 8;
protected:
static void _bind_methods();
virtual void _create_mesh_array(Array &p_arr) const override;
virtual void _update_lightmap_size() override;
public:
static void create_mesh_array(Array &p_arr, float radius, float height, int radial_segments = 64, int rings = 8, bool p_add_uv2 = false, const float p_uv2_padding = 1.0);
void set_radius(const float p_radius);
float get_radius() const;
void set_height(const float p_height);
float get_height() const;
void set_radial_segments(const int p_segments);
int get_radial_segments() const;
void set_rings(const int p_rings);
int get_rings() const;
CapsuleMesh();
};
/**
A box
*/
class BoxMesh : public PrimitiveMesh {
GDCLASS(BoxMesh, PrimitiveMesh);
private:
Vector3 size = Vector3(1, 1, 1);
int subdivide_w = 0;
int subdivide_h = 0;
int subdivide_d = 0;
protected:
static void _bind_methods();
virtual void _create_mesh_array(Array &p_arr) const override;
virtual void _update_lightmap_size() override;
public:
static void create_mesh_array(Array &p_arr, Vector3 size, int subdivide_w = 0, int subdivide_h = 0, int subdivide_d = 0, bool p_add_uv2 = false, const float p_uv2_padding = 1.0);
void set_size(const Vector3 &p_size);
Vector3 get_size() const;
void set_subdivide_width(const int p_divisions);
int get_subdivide_width() const;
void set_subdivide_height(const int p_divisions);
int get_subdivide_height() const;
void set_subdivide_depth(const int p_divisions);
int get_subdivide_depth() const;
BoxMesh();
};
/**
A cylinder
*/
class CylinderMesh : public PrimitiveMesh {
GDCLASS(CylinderMesh, PrimitiveMesh);
private:
float top_radius = 0.5;
float bottom_radius = 0.5;
float height = 2.0;
int radial_segments = 64;
int rings = 4;
bool cap_top = true;
bool cap_bottom = true;
protected:
static void _bind_methods();
virtual void _create_mesh_array(Array &p_arr) const override;
virtual void _update_lightmap_size() override;
public:
static void create_mesh_array(Array &p_arr, float top_radius, float bottom_radius, float height, int radial_segments = 64, int rings = 4, bool cap_top = true, bool cap_bottom = true, bool p_add_uv2 = false, const float p_uv2_padding = 1.0);
void set_top_radius(const float p_radius);
float get_top_radius() const;
void set_bottom_radius(const float p_radius);
float get_bottom_radius() const;
void set_height(const float p_height);
float get_height() const;
void set_radial_segments(const int p_segments);
int get_radial_segments() const;
void set_rings(const int p_rings);
int get_rings() const;
void set_cap_top(bool p_cap_top);
bool is_cap_top() const;
void set_cap_bottom(bool p_cap_bottom);
bool is_cap_bottom() const;
CylinderMesh();
};
/*
A flat rectangle, can be used as quad or heightmap.
*/
class PlaneMesh : public PrimitiveMesh {
GDCLASS(PlaneMesh, PrimitiveMesh);
public:
enum Orientation {
FACE_X,
FACE_Y,
FACE_Z,
};
private:
Size2 size = Size2(2.0, 2.0);
int subdivide_w = 0;
int subdivide_d = 0;
Vector3 center_offset;
Orientation orientation = FACE_Y;
protected:
static void _bind_methods();
virtual void _create_mesh_array(Array &p_arr) const override;
virtual void _update_lightmap_size() override;
public:
void set_size(const Size2 &p_size);
Size2 get_size() const;
void set_subdivide_width(const int p_divisions);
int get_subdivide_width() const;
void set_subdivide_depth(const int p_divisions);
int get_subdivide_depth() const;
void set_center_offset(const Vector3 p_offset);
Vector3 get_center_offset() const;
void set_orientation(const Orientation p_orientation);
Orientation get_orientation() const;
PlaneMesh();
};
VARIANT_ENUM_CAST(PlaneMesh::Orientation)
/*
A flat rectangle, inherits from PlaneMesh but defaults to facing the Z-plane.
*/
class QuadMesh : public PlaneMesh {
GDCLASS(QuadMesh, PlaneMesh);
public:
QuadMesh() {
set_orientation(FACE_Z);
set_size(Size2(1, 1));
}
};
/**
A prism shapen, handy for ramps, triangles, etc.
*/
class PrismMesh : public PrimitiveMesh {
GDCLASS(PrismMesh, PrimitiveMesh);
private:
float left_to_right = 0.5;
Vector3 size = Vector3(1.0, 1.0, 1.0);
int subdivide_w = 0;
int subdivide_h = 0;
int subdivide_d = 0;
protected:
static void _bind_methods();
virtual void _create_mesh_array(Array &p_arr) const override;
virtual void _update_lightmap_size() override;
public:
void set_left_to_right(const float p_left_to_right);
float get_left_to_right() const;
void set_size(const Vector3 &p_size);
Vector3 get_size() const;
void set_subdivide_width(const int p_divisions);
int get_subdivide_width() const;
void set_subdivide_height(const int p_divisions);
int get_subdivide_height() const;
void set_subdivide_depth(const int p_divisions);
int get_subdivide_depth() const;
PrismMesh();
};
/**
A sphere..
*/
class SphereMesh : public PrimitiveMesh {
GDCLASS(SphereMesh, PrimitiveMesh);
private:
float radius = 0.5;
float height = 1.0;
int radial_segments = 64;
int rings = 32;
bool is_hemisphere = false;
protected:
static void _bind_methods();
virtual void _create_mesh_array(Array &p_arr) const override;
virtual void _update_lightmap_size() override;
public:
static void create_mesh_array(Array &p_arr, float radius, float height, int radial_segments = 64, int rings = 32, bool is_hemisphere = false, bool p_add_uv2 = false, const float p_uv2_padding = 1.0);
void set_radius(const float p_radius);
float get_radius() const;
void set_height(const float p_height);
float get_height() const;
void set_radial_segments(const int p_radial_segments);
int get_radial_segments() const;
void set_rings(const int p_rings);
int get_rings() const;
void set_is_hemisphere(const bool p_is_hemisphere);
bool get_is_hemisphere() const;
SphereMesh();
};
/**
Big donut
*/
class TorusMesh : public PrimitiveMesh {
GDCLASS(TorusMesh, PrimitiveMesh);
private:
float inner_radius = 0.5;
float outer_radius = 1.0;
int rings = 64;
int ring_segments = 32;
protected:
static void _bind_methods();
virtual void _create_mesh_array(Array &p_arr) const override;
virtual void _update_lightmap_size() override;
public:
void set_inner_radius(const float p_inner_radius);
float get_inner_radius() const;
void set_outer_radius(const float p_outer_radius);
float get_outer_radius() const;
void set_rings(const int p_rings);
int get_rings() const;
void set_ring_segments(const int p_ring_segments);
int get_ring_segments() const;
TorusMesh();
};
/**
A single point for use in particle systems
*/
class PointMesh : public PrimitiveMesh {
GDCLASS(PointMesh, PrimitiveMesh)
protected:
virtual void _create_mesh_array(Array &p_arr) const override;
public:
PointMesh();
};
class TubeTrailMesh : public PrimitiveMesh {
GDCLASS(TubeTrailMesh, PrimitiveMesh);
private:
float radius = 0.5;
int radial_steps = 8;
int sections = 5;
float section_length = 0.2;
int section_rings = 3;
bool cap_top = true;
bool cap_bottom = true;
Ref<Curve> curve;
void _curve_changed();
protected:
static void _bind_methods();
virtual void _create_mesh_array(Array &p_arr) const override;
public:
void set_radius(const float p_radius);
float get_radius() const;
void set_radial_steps(const int p_radial_steps);
int get_radial_steps() const;
void set_sections(const int p_sections);
int get_sections() const;
void set_section_length(float p_sectionlength);
float get_section_length() const;
void set_section_rings(const int p_section_rings);
int get_section_rings() const;
void set_cap_top(bool p_cap_top);
bool is_cap_top() const;
void set_cap_bottom(bool p_cap_bottom);
bool is_cap_bottom() const;
void set_curve(const Ref<Curve> &p_curve);
Ref<Curve> get_curve() const;
virtual int get_builtin_bind_pose_count() const override;
virtual Transform3D get_builtin_bind_pose(int p_index) const override;
TubeTrailMesh();
};
class RibbonTrailMesh : public PrimitiveMesh {
GDCLASS(RibbonTrailMesh, PrimitiveMesh);
public:
enum Shape {
SHAPE_FLAT,
SHAPE_CROSS
};
private:
float size = 1.0;
int sections = 5;
float section_length = 0.2;
int section_segments = 3;
Shape shape = SHAPE_CROSS;
Ref<Curve> curve;
void _curve_changed();
protected:
static void _bind_methods();
virtual void _create_mesh_array(Array &p_arr) const override;
public:
void set_shape(Shape p_shape);
Shape get_shape() const;
void set_size(const float p_size);
float get_size() const;
void set_sections(const int p_sections);
int get_sections() const;
void set_section_length(float p_sectionlength);
float get_section_length() const;
void set_section_segments(const int p_section_segments);
int get_section_segments() const;
void set_curve(const Ref<Curve> &p_curve);
Ref<Curve> get_curve() const;
virtual int get_builtin_bind_pose_count() const override;
virtual Transform3D get_builtin_bind_pose(int p_index) const override;
RibbonTrailMesh();
};
/**
Text...
*/
class TextMesh : public PrimitiveMesh {
GDCLASS(TextMesh, PrimitiveMesh);
private:
struct ContourPoint {
Vector2 point;
bool sharp = false;
ContourPoint(){};
ContourPoint(const Vector2 &p_pt, bool p_sharp) {
point = p_pt;
sharp = p_sharp;
};
};
struct ContourInfo {
real_t length = 0.0;
bool ccw = true;
ContourInfo(){};
ContourInfo(real_t p_len, bool p_ccw) {
length = p_len;
ccw = p_ccw;
}
};
struct GlyphMeshKey {
uint64_t font_id;
uint32_t gl_id;
bool operator==(const GlyphMeshKey &p_b) const {
return (font_id == p_b.font_id) && (gl_id == p_b.gl_id);
}
GlyphMeshKey(uint64_t p_font_id, uint32_t p_gl_id) {
font_id = p_font_id;
gl_id = p_gl_id;
}
};
struct GlyphMeshKeyHasher {
_FORCE_INLINE_ static uint32_t hash(const GlyphMeshKey &p_a) {
return hash_murmur3_buffer(&p_a, sizeof(GlyphMeshKey));
}
};
struct GlyphMeshData {
Vector<Vector2> triangles;
Vector<Vector<ContourPoint>> contours;
Vector<ContourInfo> contours_info;
Vector2 min_p = Vector2(INFINITY, INFINITY);
Vector2 max_p = Vector2(-INFINITY, -INFINITY);
};
mutable HashMap<GlyphMeshKey, GlyphMeshData, GlyphMeshKeyHasher> cache;
RID text_rid;
mutable Vector<RID> lines_rid;
String text;
String xl_text;
int font_size = 16;
Ref<Font> font_override;
TextServer::AutowrapMode autowrap_mode = TextServer::AUTOWRAP_OFF;
float width = 500.0;
float line_spacing = 0.f;
Point2 lbl_offset;
HorizontalAlignment horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER;
VerticalAlignment vertical_alignment = VERTICAL_ALIGNMENT_CENTER;
bool uppercase = false;
String language;
TextServer::Direction text_direction = TextServer::DIRECTION_AUTO;
TextServer::StructuredTextParser st_parser = TextServer::STRUCTURED_TEXT_DEFAULT;
Array st_args;
real_t depth = 0.05;
real_t pixel_size = 0.01;
real_t curve_step = 0.5;
mutable bool dirty_lines = true;
mutable bool dirty_text = true;
mutable bool dirty_font = true;
mutable bool dirty_cache = true;
void _generate_glyph_mesh_data(const GlyphMeshKey &p_key, const Glyph &p_glyph) const;
void _font_changed();
protected:
static void _bind_methods();
void _notification(int p_what);
virtual void _create_mesh_array(Array &p_arr) const override;
public:
GDVIRTUAL2RC(TypedArray<Vector3i>, _structured_text_parser, Array, String)
TextMesh();
~TextMesh();
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_text(const String &p_string);
String get_text() 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_line_spacing(float p_size);
float get_line_spacing() const;
void set_autowrap_mode(TextServer::AutowrapMode p_mode);
TextServer::AutowrapMode get_autowrap_mode() const;
void set_text_direction(TextServer::Direction p_text_direction);
TextServer::Direction get_text_direction() const;
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_width(real_t p_width);
real_t get_width() const;
void set_depth(real_t p_depth);
real_t get_depth() const;
void set_curve_step(real_t p_step);
real_t get_curve_step() 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;
};
VARIANT_ENUM_CAST(RibbonTrailMesh::Shape)
#endif // PRIMITIVE_MESHES_H