mirror of
https://github.com/godotengine/godot.git
synced 2024-12-09 10:09:20 +08:00
e4213e66b2
Using `misc/scripts/fix_headers.py` on all Godot files. Some missing header guards were added, and the header inclusion order was fixed in the Bullet module.
452 lines
13 KiB
C++
452 lines
13 KiB
C++
/*************************************************************************/
|
|
/* gradient_edit.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2018 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 "gradient_edit.h"
|
|
#include "os/keyboard.h"
|
|
|
|
GradientEdit::GradientEdit() {
|
|
grabbed = -1;
|
|
grabbing = false;
|
|
set_focus_mode(FOCUS_ALL);
|
|
|
|
popup = memnew(PopupPanel);
|
|
picker = memnew(ColorPicker);
|
|
popup->add_child(picker);
|
|
|
|
add_child(popup);
|
|
|
|
checker = Ref<ImageTexture>(memnew(ImageTexture));
|
|
Ref<Image> img = memnew(Image(checker_bg_png));
|
|
checker->create_from_image(img, ImageTexture::FLAG_REPEAT);
|
|
}
|
|
|
|
int GradientEdit::_get_point_from_pos(int x) {
|
|
int result = -1;
|
|
int total_w = get_size().width - get_size().height - 3;
|
|
for (int i = 0; i < points.size(); i++) {
|
|
//Check if we clicked at point
|
|
if (ABS(x - points[i].offset * total_w + 1) < (POINT_WIDTH / 2 + 1)) {
|
|
result = i;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void GradientEdit::_show_color_picker() {
|
|
if (grabbed == -1)
|
|
return;
|
|
picker->set_pick_color(points[grabbed].color);
|
|
popup->set_position(get_global_position() - popup->get_combined_minimum_size());
|
|
popup->popup();
|
|
}
|
|
|
|
GradientEdit::~GradientEdit() {
|
|
}
|
|
|
|
void GradientEdit::_gui_input(const Ref<InputEvent> &p_event) {
|
|
|
|
Ref<InputEventKey> k = p_event;
|
|
|
|
if (k.is_valid() && k->is_pressed() && k->get_scancode() == KEY_DELETE && grabbed != -1) {
|
|
|
|
points.remove(grabbed);
|
|
grabbed = -1;
|
|
grabbing = false;
|
|
update();
|
|
emit_signal("ramp_changed");
|
|
accept_event();
|
|
}
|
|
|
|
Ref<InputEventMouseButton> mb = p_event;
|
|
//Show color picker on double click.
|
|
if (mb.is_valid() && mb->get_button_index() == 1 && mb->is_doubleclick() && mb->is_pressed()) {
|
|
grabbed = _get_point_from_pos(mb->get_position().x);
|
|
_show_color_picker();
|
|
accept_event();
|
|
}
|
|
|
|
//Delete point on right click
|
|
if (mb.is_valid() && mb->get_button_index() == 2 && mb->is_pressed()) {
|
|
grabbed = _get_point_from_pos(mb->get_position().x);
|
|
if (grabbed != -1) {
|
|
points.remove(grabbed);
|
|
grabbed = -1;
|
|
grabbing = false;
|
|
update();
|
|
emit_signal("ramp_changed");
|
|
accept_event();
|
|
}
|
|
}
|
|
|
|
//Hold alt key to duplicate selected color
|
|
if (mb.is_valid() && mb->get_button_index() == 1 && mb->is_pressed() && mb->get_alt()) {
|
|
|
|
int x = mb->get_position().x;
|
|
grabbed = _get_point_from_pos(x);
|
|
|
|
if (grabbed != -1) {
|
|
int total_w = get_size().width - get_size().height - 3;
|
|
Gradient::Point newPoint = points[grabbed];
|
|
newPoint.offset = CLAMP(x / float(total_w), 0, 1);
|
|
|
|
points.push_back(newPoint);
|
|
points.sort();
|
|
for (int i = 0; i < points.size(); ++i) {
|
|
if (points[i].offset == newPoint.offset) {
|
|
grabbed = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
emit_signal("ramp_changed");
|
|
update();
|
|
}
|
|
}
|
|
|
|
if (mb.is_valid() && mb->get_button_index() == 1 && mb->is_pressed()) {
|
|
|
|
update();
|
|
int x = mb->get_position().x;
|
|
int total_w = get_size().width - get_size().height - 3;
|
|
|
|
//Check if color selector was clicked.
|
|
if (x > total_w + 3) {
|
|
_show_color_picker();
|
|
return;
|
|
}
|
|
|
|
grabbing = true;
|
|
|
|
grabbed = _get_point_from_pos(x);
|
|
//grab or select
|
|
if (grabbed != -1) {
|
|
return;
|
|
}
|
|
|
|
//insert
|
|
Gradient::Point newPoint;
|
|
newPoint.offset = CLAMP(x / float(total_w), 0, 1);
|
|
|
|
Gradient::Point prev;
|
|
Gradient::Point next;
|
|
|
|
int pos = -1;
|
|
for (int i = 0; i < points.size(); i++) {
|
|
if (points[i].offset < newPoint.offset)
|
|
pos = i;
|
|
}
|
|
|
|
if (pos == -1) {
|
|
|
|
prev.color = Color(0, 0, 0);
|
|
prev.offset = 0;
|
|
if (points.size()) {
|
|
next = points[0];
|
|
} else {
|
|
next.color = Color(1, 1, 1);
|
|
next.offset = 1.0;
|
|
}
|
|
} else {
|
|
|
|
if (pos == points.size() - 1) {
|
|
next.color = Color(1, 1, 1);
|
|
next.offset = 1.0;
|
|
} else {
|
|
next = points[pos + 1];
|
|
}
|
|
prev = points[pos];
|
|
}
|
|
|
|
newPoint.color = prev.color.linear_interpolate(next.color, (newPoint.offset - prev.offset) / (next.offset - prev.offset));
|
|
|
|
points.push_back(newPoint);
|
|
points.sort();
|
|
for (int i = 0; i < points.size(); i++) {
|
|
if (points[i].offset == newPoint.offset) {
|
|
grabbed = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
emit_signal("ramp_changed");
|
|
}
|
|
|
|
if (mb.is_valid() && mb->get_button_index() == 1 && !mb->is_pressed()) {
|
|
|
|
if (grabbing) {
|
|
grabbing = false;
|
|
emit_signal("ramp_changed");
|
|
}
|
|
update();
|
|
}
|
|
|
|
Ref<InputEventMouseMotion> mm = p_event;
|
|
|
|
if (mm.is_valid() && grabbing) {
|
|
|
|
int total_w = get_size().width - get_size().height - 3;
|
|
|
|
int x = mm->get_position().x;
|
|
|
|
float newofs = CLAMP(x / float(total_w), 0, 1);
|
|
|
|
//Snap to nearest point if holding shift
|
|
if (mm->get_shift()) {
|
|
float snap_treshhold = 0.03;
|
|
float smallest_ofs = snap_treshhold;
|
|
bool founded = false;
|
|
int nearest_point;
|
|
for (int i = 0; i < points.size(); ++i) {
|
|
if (i != grabbed) {
|
|
float temp_ofs = ABS(points[i].offset - newofs);
|
|
if (temp_ofs < smallest_ofs) {
|
|
smallest_ofs = temp_ofs;
|
|
nearest_point = i;
|
|
if (founded)
|
|
break;
|
|
founded = true;
|
|
}
|
|
}
|
|
}
|
|
if (founded) {
|
|
if (points[nearest_point].offset < newofs)
|
|
newofs = points[nearest_point].offset + 0.00001;
|
|
else
|
|
newofs = points[nearest_point].offset - 0.00001;
|
|
newofs = CLAMP(newofs, 0, 1);
|
|
}
|
|
}
|
|
|
|
bool valid = true;
|
|
for (int i = 0; i < points.size(); i++) {
|
|
|
|
if (points[i].offset == newofs && i != grabbed) {
|
|
valid = false;
|
|
}
|
|
}
|
|
|
|
if (!valid)
|
|
return;
|
|
|
|
points[grabbed].offset = newofs;
|
|
|
|
points.sort();
|
|
for (int i = 0; i < points.size(); i++) {
|
|
if (points[i].offset == newofs) {
|
|
grabbed = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
emit_signal("ramp_changed");
|
|
|
|
update();
|
|
}
|
|
}
|
|
|
|
void GradientEdit::_notification(int p_what) {
|
|
|
|
if (p_what == NOTIFICATION_ENTER_TREE) {
|
|
if (!picker->is_connected("color_changed", this, "_color_changed")) {
|
|
picker->connect("color_changed", this, "_color_changed");
|
|
}
|
|
}
|
|
if (p_what == NOTIFICATION_DRAW) {
|
|
|
|
int w = get_size().x;
|
|
int h = get_size().y;
|
|
|
|
if (w == 0 || h == 0)
|
|
return; //Safety check. We have division by 'h'. And in any case there is nothing to draw with such size
|
|
|
|
int total_w = get_size().width - get_size().height - 3;
|
|
|
|
//Draw checker pattern for ramp
|
|
_draw_checker(0, 0, total_w, h);
|
|
|
|
//Draw color ramp
|
|
Gradient::Point prev;
|
|
prev.offset = 0;
|
|
if (points.size() == 0)
|
|
prev.color = Color(0, 0, 0); //Draw black rectangle if we have no points
|
|
else
|
|
prev.color = points[0].color; //Extend color of first point to the beginning.
|
|
|
|
for (int i = -1; i < points.size(); i++) {
|
|
|
|
Gradient::Point next;
|
|
//If there is no next point
|
|
if (i + 1 == points.size()) {
|
|
if (points.size() == 0)
|
|
next.color = Color(0, 0, 0); //Draw black rectangle if we have no points
|
|
else
|
|
next.color = points[i].color; //Extend color of last point to the end.
|
|
next.offset = 1;
|
|
} else {
|
|
next = points[i + 1];
|
|
}
|
|
|
|
if (prev.offset == next.offset) {
|
|
prev = next;
|
|
continue;
|
|
}
|
|
|
|
Vector<Vector2> points;
|
|
Vector<Color> colors;
|
|
points.push_back(Vector2(prev.offset * total_w, h));
|
|
points.push_back(Vector2(prev.offset * total_w, 0));
|
|
points.push_back(Vector2(next.offset * total_w, 0));
|
|
points.push_back(Vector2(next.offset * total_w, h));
|
|
colors.push_back(prev.color);
|
|
colors.push_back(prev.color);
|
|
colors.push_back(next.color);
|
|
colors.push_back(next.color);
|
|
draw_primitive(points, colors, Vector<Point2>());
|
|
prev = next;
|
|
}
|
|
|
|
//Draw point markers
|
|
for (int i = 0; i < points.size(); i++) {
|
|
|
|
Color col = i == grabbed ? Color(1, 0.0, 0.0, 0.9) : points[i].color.contrasted();
|
|
col.a = 0.9;
|
|
|
|
draw_line(Vector2(points[i].offset * total_w, 0), Vector2(points[i].offset * total_w, h / 2), col);
|
|
draw_rect(Rect2(points[i].offset * total_w - POINT_WIDTH / 2, h / 2, POINT_WIDTH, h / 2), Color(0.6, 0.6, 0.6, i == grabbed ? 0.9 : 0.4));
|
|
draw_line(Vector2(points[i].offset * total_w - POINT_WIDTH / 2, h / 2), Vector2(points[i].offset * total_w - POINT_WIDTH / 2, h - 1), col);
|
|
draw_line(Vector2(points[i].offset * total_w + POINT_WIDTH / 2, h / 2), Vector2(points[i].offset * total_w + POINT_WIDTH / 2, h - 1), col);
|
|
draw_line(Vector2(points[i].offset * total_w - POINT_WIDTH / 2, h / 2), Vector2(points[i].offset * total_w + POINT_WIDTH / 2, h / 2), col);
|
|
draw_line(Vector2(points[i].offset * total_w - POINT_WIDTH / 2, h - 1), Vector2(points[i].offset * total_w + POINT_WIDTH / 2, h - 1), col);
|
|
}
|
|
|
|
//Draw "button" for color selector
|
|
_draw_checker(total_w + 3, 0, h, h);
|
|
if (grabbed != -1) {
|
|
//Draw with selection color
|
|
draw_rect(Rect2(total_w + 3, 0, h, h), points[grabbed].color);
|
|
} else {
|
|
//if no color selected draw grey color with 'X' on top.
|
|
draw_rect(Rect2(total_w + 3, 0, h, h), Color(0.5, 0.5, 0.5, 1));
|
|
draw_line(Vector2(total_w + 3, 0), Vector2(total_w + 3 + h, h), Color(1, 1, 1, 0.6));
|
|
draw_line(Vector2(total_w + 3, h), Vector2(total_w + 3 + h, 0), Color(1, 1, 1, 0.6));
|
|
}
|
|
|
|
//Draw borders around color ramp if in focus
|
|
if (has_focus()) {
|
|
|
|
draw_line(Vector2(-1, -1), Vector2(total_w + 1, -1), Color(1, 1, 1, 0.6));
|
|
draw_line(Vector2(total_w + 1, -1), Vector2(total_w + 1, h + 1), Color(1, 1, 1, 0.6));
|
|
draw_line(Vector2(total_w + 1, h + 1), Vector2(-1, h + 1), Color(1, 1, 1, 0.6));
|
|
draw_line(Vector2(-1, -1), Vector2(-1, h + 1), Color(1, 1, 1, 0.6));
|
|
}
|
|
}
|
|
}
|
|
|
|
void GradientEdit::_draw_checker(int x, int y, int w, int h) {
|
|
//Draw it with polygon to insert UVs for scale
|
|
Vector<Vector2> backPoints;
|
|
backPoints.push_back(Vector2(x, y));
|
|
backPoints.push_back(Vector2(x, y + h));
|
|
backPoints.push_back(Vector2(x + w, y + h));
|
|
backPoints.push_back(Vector2(x + w, y));
|
|
Vector<Color> colorPoints;
|
|
colorPoints.push_back(Color(1, 1, 1, 1));
|
|
colorPoints.push_back(Color(1, 1, 1, 1));
|
|
colorPoints.push_back(Color(1, 1, 1, 1));
|
|
colorPoints.push_back(Color(1, 1, 1, 1));
|
|
Vector<Vector2> uvPoints;
|
|
//Draw checker pattern pixel-perfect and scale it by 2.
|
|
uvPoints.push_back(Vector2(x, y));
|
|
uvPoints.push_back(Vector2(x, y + h * .5f / checker->get_height()));
|
|
uvPoints.push_back(Vector2(x + w * .5f / checker->get_width(), y + h * .5f / checker->get_height()));
|
|
uvPoints.push_back(Vector2(x + w * .5f / checker->get_width(), y));
|
|
draw_polygon(backPoints, colorPoints, uvPoints, checker);
|
|
}
|
|
|
|
Size2 GradientEdit::get_minimum_size() const {
|
|
|
|
return Vector2(0, 16);
|
|
}
|
|
|
|
void GradientEdit::_color_changed(const Color &p_color) {
|
|
|
|
if (grabbed == -1)
|
|
return;
|
|
points[grabbed].color = p_color;
|
|
update();
|
|
emit_signal("ramp_changed");
|
|
}
|
|
|
|
void GradientEdit::set_ramp(const Vector<float> &p_offsets, const Vector<Color> &p_colors) {
|
|
|
|
ERR_FAIL_COND(p_offsets.size() != p_colors.size());
|
|
points.clear();
|
|
for (int i = 0; i < p_offsets.size(); i++) {
|
|
Gradient::Point p;
|
|
p.offset = p_offsets[i];
|
|
p.color = p_colors[i];
|
|
points.push_back(p);
|
|
}
|
|
|
|
points.sort();
|
|
update();
|
|
}
|
|
|
|
Vector<float> GradientEdit::get_offsets() const {
|
|
Vector<float> ret;
|
|
for (int i = 0; i < points.size(); i++)
|
|
ret.push_back(points[i].offset);
|
|
return ret;
|
|
}
|
|
|
|
Vector<Color> GradientEdit::get_colors() const {
|
|
Vector<Color> ret;
|
|
for (int i = 0; i < points.size(); i++)
|
|
ret.push_back(points[i].color);
|
|
return ret;
|
|
}
|
|
|
|
void GradientEdit::set_points(Vector<Gradient::Point> &p_points) {
|
|
if (points.size() != p_points.size())
|
|
grabbed = -1;
|
|
points.clear();
|
|
points = p_points;
|
|
}
|
|
|
|
Vector<Gradient::Point> &GradientEdit::get_points() {
|
|
return points;
|
|
}
|
|
|
|
void GradientEdit::_bind_methods() {
|
|
ClassDB::bind_method(D_METHOD("_gui_input"), &GradientEdit::_gui_input);
|
|
ClassDB::bind_method(D_METHOD("_color_changed"), &GradientEdit::_color_changed);
|
|
ADD_SIGNAL(MethodInfo("ramp_changed"));
|
|
}
|