mirror of
https://github.com/godotengine/godot
synced 2024-09-04 21:18:26 +00:00
421 lines
13 KiB
C++
421 lines
13 KiB
C++
/**************************************************************************/
|
|
/* line_2d.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 "line_2d.h"
|
|
|
|
#include "core/math/geometry_2d.h"
|
|
#include "line_builder.h"
|
|
|
|
Line2D::Line2D() {
|
|
}
|
|
|
|
#ifdef TOOLS_ENABLED
|
|
Rect2 Line2D::_edit_get_rect() const {
|
|
if (_points.size() == 0) {
|
|
return Rect2(0, 0, 0, 0);
|
|
}
|
|
Vector2 d = Vector2(_width, _width);
|
|
Rect2 bounding_rect = Rect2(_points[0] - d, 2 * d);
|
|
for (int i = 1; i < _points.size(); i++) {
|
|
bounding_rect.expand_to(_points[i] - d);
|
|
bounding_rect.expand_to(_points[i] + d);
|
|
}
|
|
return bounding_rect;
|
|
}
|
|
|
|
bool Line2D::_edit_use_rect() const {
|
|
return true;
|
|
}
|
|
|
|
bool Line2D::_edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const {
|
|
const real_t d = _width / 2 + p_tolerance;
|
|
const Vector2 *points = _points.ptr();
|
|
for (int i = 0; i < _points.size() - 1; i++) {
|
|
Vector2 p = Geometry2D::get_closest_point_to_segment(p_point, &points[i]);
|
|
if (p_point.distance_to(p) <= d) {
|
|
return true;
|
|
}
|
|
}
|
|
if (_closed && _points.size() > 2) {
|
|
const Vector2 closing_segment[2] = { points[0], points[_points.size() - 1] };
|
|
Vector2 p = Geometry2D::get_closest_point_to_segment(p_point, closing_segment);
|
|
if (p_point.distance_to(p) <= d) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
void Line2D::set_points(const Vector<Vector2> &p_points) {
|
|
_points = p_points;
|
|
queue_redraw();
|
|
}
|
|
|
|
void Line2D::set_closed(bool p_closed) {
|
|
_closed = p_closed;
|
|
queue_redraw();
|
|
}
|
|
|
|
bool Line2D::is_closed() const {
|
|
return _closed;
|
|
}
|
|
|
|
void Line2D::set_width(float p_width) {
|
|
if (p_width < 0.0) {
|
|
p_width = 0.0;
|
|
}
|
|
_width = p_width;
|
|
queue_redraw();
|
|
}
|
|
|
|
float Line2D::get_width() const {
|
|
return _width;
|
|
}
|
|
|
|
void Line2D::set_curve(const Ref<Curve> &p_curve) {
|
|
if (_curve.is_valid()) {
|
|
_curve->disconnect_changed(callable_mp(this, &Line2D::_curve_changed));
|
|
}
|
|
|
|
_curve = p_curve;
|
|
|
|
if (_curve.is_valid()) {
|
|
_curve->connect_changed(callable_mp(this, &Line2D::_curve_changed));
|
|
}
|
|
|
|
queue_redraw();
|
|
}
|
|
|
|
Ref<Curve> Line2D::get_curve() const {
|
|
return _curve;
|
|
}
|
|
|
|
Vector<Vector2> Line2D::get_points() const {
|
|
return _points;
|
|
}
|
|
|
|
void Line2D::set_point_position(int i, Vector2 p_pos) {
|
|
ERR_FAIL_INDEX(i, _points.size());
|
|
_points.set(i, p_pos);
|
|
queue_redraw();
|
|
}
|
|
|
|
Vector2 Line2D::get_point_position(int i) const {
|
|
ERR_FAIL_INDEX_V(i, _points.size(), Vector2());
|
|
return _points.get(i);
|
|
}
|
|
|
|
int Line2D::get_point_count() const {
|
|
return _points.size();
|
|
}
|
|
|
|
void Line2D::clear_points() {
|
|
int count = _points.size();
|
|
if (count > 0) {
|
|
_points.clear();
|
|
queue_redraw();
|
|
}
|
|
}
|
|
|
|
void Line2D::add_point(Vector2 p_pos, int p_atpos) {
|
|
if (p_atpos < 0 || _points.size() < p_atpos) {
|
|
_points.push_back(p_pos);
|
|
} else {
|
|
_points.insert(p_atpos, p_pos);
|
|
}
|
|
queue_redraw();
|
|
}
|
|
|
|
void Line2D::remove_point(int i) {
|
|
_points.remove_at(i);
|
|
queue_redraw();
|
|
}
|
|
|
|
void Line2D::set_default_color(Color p_color) {
|
|
_default_color = p_color;
|
|
queue_redraw();
|
|
}
|
|
|
|
Color Line2D::get_default_color() const {
|
|
return _default_color;
|
|
}
|
|
|
|
void Line2D::set_gradient(const Ref<Gradient> &p_gradient) {
|
|
if (_gradient.is_valid()) {
|
|
_gradient->disconnect_changed(callable_mp(this, &Line2D::_gradient_changed));
|
|
}
|
|
|
|
_gradient = p_gradient;
|
|
|
|
if (_gradient.is_valid()) {
|
|
_gradient->connect_changed(callable_mp(this, &Line2D::_gradient_changed));
|
|
}
|
|
|
|
queue_redraw();
|
|
}
|
|
|
|
Ref<Gradient> Line2D::get_gradient() const {
|
|
return _gradient;
|
|
}
|
|
|
|
void Line2D::set_texture(const Ref<Texture2D> &p_texture) {
|
|
_texture = p_texture;
|
|
queue_redraw();
|
|
}
|
|
|
|
Ref<Texture2D> Line2D::get_texture() const {
|
|
return _texture;
|
|
}
|
|
|
|
void Line2D::set_texture_mode(const LineTextureMode p_mode) {
|
|
_texture_mode = p_mode;
|
|
queue_redraw();
|
|
}
|
|
|
|
Line2D::LineTextureMode Line2D::get_texture_mode() const {
|
|
return _texture_mode;
|
|
}
|
|
|
|
void Line2D::set_joint_mode(LineJointMode p_mode) {
|
|
_joint_mode = p_mode;
|
|
queue_redraw();
|
|
}
|
|
|
|
Line2D::LineJointMode Line2D::get_joint_mode() const {
|
|
return _joint_mode;
|
|
}
|
|
|
|
void Line2D::set_begin_cap_mode(LineCapMode p_mode) {
|
|
_begin_cap_mode = p_mode;
|
|
queue_redraw();
|
|
}
|
|
|
|
Line2D::LineCapMode Line2D::get_begin_cap_mode() const {
|
|
return _begin_cap_mode;
|
|
}
|
|
|
|
void Line2D::set_end_cap_mode(LineCapMode p_mode) {
|
|
_end_cap_mode = p_mode;
|
|
queue_redraw();
|
|
}
|
|
|
|
Line2D::LineCapMode Line2D::get_end_cap_mode() const {
|
|
return _end_cap_mode;
|
|
}
|
|
|
|
void Line2D::_notification(int p_what) {
|
|
switch (p_what) {
|
|
case NOTIFICATION_DRAW: {
|
|
_draw();
|
|
} break;
|
|
}
|
|
}
|
|
|
|
void Line2D::set_sharp_limit(float p_limit) {
|
|
if (p_limit < 0.f) {
|
|
p_limit = 0.f;
|
|
}
|
|
_sharp_limit = p_limit;
|
|
queue_redraw();
|
|
}
|
|
|
|
float Line2D::get_sharp_limit() const {
|
|
return _sharp_limit;
|
|
}
|
|
|
|
void Line2D::set_round_precision(int p_precision) {
|
|
_round_precision = MAX(1, p_precision);
|
|
queue_redraw();
|
|
}
|
|
|
|
int Line2D::get_round_precision() const {
|
|
return _round_precision;
|
|
}
|
|
|
|
void Line2D::set_antialiased(bool p_antialiased) {
|
|
_antialiased = p_antialiased;
|
|
queue_redraw();
|
|
}
|
|
|
|
bool Line2D::get_antialiased() const {
|
|
return _antialiased;
|
|
}
|
|
|
|
void Line2D::_draw() {
|
|
int len = _points.size();
|
|
if (len <= 1 || _width == 0.f) {
|
|
return;
|
|
}
|
|
|
|
// TODO Maybe have it as member rather than copying parameters and allocating memory?
|
|
LineBuilder lb;
|
|
lb.points = _points;
|
|
lb.closed = _closed;
|
|
lb.default_color = _default_color;
|
|
lb.gradient = *_gradient;
|
|
lb.texture_mode = _texture_mode;
|
|
lb.joint_mode = _joint_mode;
|
|
lb.begin_cap_mode = _begin_cap_mode;
|
|
lb.end_cap_mode = _end_cap_mode;
|
|
lb.round_precision = _round_precision;
|
|
lb.sharp_limit = _sharp_limit;
|
|
lb.width = _width;
|
|
lb.curve = *_curve;
|
|
|
|
RID texture_rid;
|
|
if (_texture.is_valid()) {
|
|
texture_rid = _texture->get_rid();
|
|
|
|
lb.tile_aspect = _texture->get_size().aspect();
|
|
}
|
|
|
|
lb.build();
|
|
|
|
RS::get_singleton()->canvas_item_add_triangle_array(
|
|
get_canvas_item(),
|
|
lb.indices,
|
|
lb.vertices,
|
|
lb.colors,
|
|
lb.uvs, Vector<int>(), Vector<float>(),
|
|
texture_rid);
|
|
|
|
// DEBUG: Draw wireframe
|
|
// if (lb.indices.size() % 3 == 0) {
|
|
// Color col(0, 0, 0);
|
|
// for (int i = 0; i < lb.indices.size(); i += 3) {
|
|
// Vector2 a = lb.vertices[lb.indices[i]];
|
|
// Vector2 b = lb.vertices[lb.indices[i+1]];
|
|
// Vector2 c = lb.vertices[lb.indices[i+2]];
|
|
// draw_line(a, b, col);
|
|
// draw_line(b, c, col);
|
|
// draw_line(c, a, col);
|
|
// }
|
|
// for (int i = 0; i < lb.vertices.size(); ++i) {
|
|
// Vector2 p = lb.vertices[i];
|
|
// draw_rect(Rect2(p.x - 1, p.y - 1, 2, 2), Color(0, 0, 0, 0.5));
|
|
// }
|
|
// }
|
|
}
|
|
|
|
void Line2D::_gradient_changed() {
|
|
queue_redraw();
|
|
}
|
|
|
|
void Line2D::_curve_changed() {
|
|
queue_redraw();
|
|
}
|
|
|
|
// static
|
|
void Line2D::_bind_methods() {
|
|
ClassDB::bind_method(D_METHOD("set_points", "points"), &Line2D::set_points);
|
|
ClassDB::bind_method(D_METHOD("get_points"), &Line2D::get_points);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_point_position", "index", "position"), &Line2D::set_point_position);
|
|
ClassDB::bind_method(D_METHOD("get_point_position", "index"), &Line2D::get_point_position);
|
|
|
|
ClassDB::bind_method(D_METHOD("get_point_count"), &Line2D::get_point_count);
|
|
|
|
ClassDB::bind_method(D_METHOD("add_point", "position", "index"), &Line2D::add_point, DEFVAL(-1));
|
|
ClassDB::bind_method(D_METHOD("remove_point", "index"), &Line2D::remove_point);
|
|
|
|
ClassDB::bind_method(D_METHOD("clear_points"), &Line2D::clear_points);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_closed", "closed"), &Line2D::set_closed);
|
|
ClassDB::bind_method(D_METHOD("is_closed"), &Line2D::is_closed);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_width", "width"), &Line2D::set_width);
|
|
ClassDB::bind_method(D_METHOD("get_width"), &Line2D::get_width);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_curve", "curve"), &Line2D::set_curve);
|
|
ClassDB::bind_method(D_METHOD("get_curve"), &Line2D::get_curve);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_default_color", "color"), &Line2D::set_default_color);
|
|
ClassDB::bind_method(D_METHOD("get_default_color"), &Line2D::get_default_color);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_gradient", "color"), &Line2D::set_gradient);
|
|
ClassDB::bind_method(D_METHOD("get_gradient"), &Line2D::get_gradient);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_texture", "texture"), &Line2D::set_texture);
|
|
ClassDB::bind_method(D_METHOD("get_texture"), &Line2D::get_texture);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_texture_mode", "mode"), &Line2D::set_texture_mode);
|
|
ClassDB::bind_method(D_METHOD("get_texture_mode"), &Line2D::get_texture_mode);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_joint_mode", "mode"), &Line2D::set_joint_mode);
|
|
ClassDB::bind_method(D_METHOD("get_joint_mode"), &Line2D::get_joint_mode);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_begin_cap_mode", "mode"), &Line2D::set_begin_cap_mode);
|
|
ClassDB::bind_method(D_METHOD("get_begin_cap_mode"), &Line2D::get_begin_cap_mode);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_end_cap_mode", "mode"), &Line2D::set_end_cap_mode);
|
|
ClassDB::bind_method(D_METHOD("get_end_cap_mode"), &Line2D::get_end_cap_mode);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_sharp_limit", "limit"), &Line2D::set_sharp_limit);
|
|
ClassDB::bind_method(D_METHOD("get_sharp_limit"), &Line2D::get_sharp_limit);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_round_precision", "precision"), &Line2D::set_round_precision);
|
|
ClassDB::bind_method(D_METHOD("get_round_precision"), &Line2D::get_round_precision);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_antialiased", "antialiased"), &Line2D::set_antialiased);
|
|
ClassDB::bind_method(D_METHOD("get_antialiased"), &Line2D::get_antialiased);
|
|
|
|
ADD_PROPERTY(PropertyInfo(Variant::PACKED_VECTOR2_ARRAY, "points"), "set_points", "get_points");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "closed"), "set_closed", "is_closed");
|
|
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "width", PROPERTY_HINT_NONE, "suffix:px"), "set_width", "get_width");
|
|
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "width_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_curve", "get_curve");
|
|
ADD_PROPERTY(PropertyInfo(Variant::COLOR, "default_color"), "set_default_color", "get_default_color");
|
|
ADD_GROUP("Fill", "");
|
|
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "gradient", PROPERTY_HINT_RESOURCE_TYPE, "Gradient"), "set_gradient", "get_gradient");
|
|
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "texture", PROPERTY_HINT_RESOURCE_TYPE, "Texture2D"), "set_texture", "get_texture");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "texture_mode", PROPERTY_HINT_ENUM, "None,Tile,Stretch"), "set_texture_mode", "get_texture_mode");
|
|
ADD_GROUP("Capping", "");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "joint_mode", PROPERTY_HINT_ENUM, "Sharp,Bevel,Round"), "set_joint_mode", "get_joint_mode");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "begin_cap_mode", PROPERTY_HINT_ENUM, "None,Box,Round"), "set_begin_cap_mode", "get_begin_cap_mode");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "end_cap_mode", PROPERTY_HINT_ENUM, "None,Box,Round"), "set_end_cap_mode", "get_end_cap_mode");
|
|
ADD_GROUP("Border", "");
|
|
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "sharp_limit"), "set_sharp_limit", "get_sharp_limit");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "round_precision", PROPERTY_HINT_RANGE, "1,32,1"), "set_round_precision", "get_round_precision");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "antialiased"), "set_antialiased", "get_antialiased");
|
|
|
|
BIND_ENUM_CONSTANT(LINE_JOINT_SHARP);
|
|
BIND_ENUM_CONSTANT(LINE_JOINT_BEVEL);
|
|
BIND_ENUM_CONSTANT(LINE_JOINT_ROUND);
|
|
|
|
BIND_ENUM_CONSTANT(LINE_CAP_NONE);
|
|
BIND_ENUM_CONSTANT(LINE_CAP_BOX);
|
|
BIND_ENUM_CONSTANT(LINE_CAP_ROUND);
|
|
|
|
BIND_ENUM_CONSTANT(LINE_TEXTURE_NONE);
|
|
BIND_ENUM_CONSTANT(LINE_TEXTURE_TILE);
|
|
BIND_ENUM_CONSTANT(LINE_TEXTURE_STRETCH);
|
|
}
|