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godot/editor/animation_bezier_editor.cpp

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/**************************************************************************/
/* animation_bezier_editor.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 "animation_bezier_editor.h"
#include "editor/editor_node.h"
#include "editor/editor_scale.h"
#include "editor/editor_settings.h"
#include "editor/editor_string_names.h"
#include "editor/editor_undo_redo_manager.h"
#include "scene/gui/view_panner.h"
#include "scene/resources/text_line.h"
#include <limits.h>
float AnimationBezierTrackEdit::_bezier_h_to_pixel(float p_h) {
float h = p_h;
h = (h - timeline_v_scroll) / timeline_v_zoom;
h = (get_size().height / 2.0) - h;
return h;
}
void AnimationBezierTrackEdit::_draw_track(int p_track, const Color &p_color) {
float scale = timeline->get_zoom_scale();
int limit = timeline->get_name_limit();
int right_limit = get_size().width;
//selection may have altered the order of keys
RBMap<real_t, int> key_order;
for (int i = 0; i < animation->track_get_key_count(p_track); i++) {
real_t ofs = animation->track_get_key_time(p_track, i);
if (moving_selection && selection.has(IntPair(p_track, i))) {
ofs += moving_selection_offset.x;
}
key_order[ofs] = i;
}
for (RBMap<real_t, int>::Element *E = key_order.front(); E; E = E->next()) {
int i = E->get();
if (!E->next()) {
break;
}
int i_n = E->next()->get();
float offset = animation->track_get_key_time(p_track, i);
float height = animation->bezier_track_get_key_value(p_track, i);
Vector2 out_handle = animation->bezier_track_get_key_out_handle(p_track, i);
if (p_track == moving_handle_track && (moving_handle == -1 || moving_handle == 1) && moving_handle_key == i) {
out_handle = moving_handle_right;
}
if (moving_selection && selection.has(IntPair(p_track, i))) {
offset += moving_selection_offset.x;
height += moving_selection_offset.y;
}
out_handle += Vector2(offset, height);
float offset_n = animation->track_get_key_time(p_track, i_n);
float height_n = animation->bezier_track_get_key_value(p_track, i_n);
Vector2 in_handle = animation->bezier_track_get_key_in_handle(p_track, i_n);
if (p_track == moving_handle_track && (moving_handle == -1 || moving_handle == 1) && moving_handle_key == i_n) {
in_handle = moving_handle_left;
}
if (moving_selection && selection.has(IntPair(p_track, i_n))) {
offset_n += moving_selection_offset.x;
height_n += moving_selection_offset.y;
}
in_handle += Vector2(offset_n, height_n);
Vector2 start(offset, height);
Vector2 end(offset_n, height_n);
int from_x = (offset - timeline->get_value()) * scale + limit;
int point_start = from_x;
int to_x = (offset_n - timeline->get_value()) * scale + limit;
int point_end = to_x;
if (from_x > right_limit) { //not visible
continue;
}
if (to_x < limit) { //not visible
continue;
}
from_x = MAX(from_x, limit);
to_x = MIN(to_x, right_limit);
Vector<Vector2> lines;
Vector2 prev_pos;
for (int j = from_x; j <= to_x; j++) {
float t = (j - limit) / scale + timeline->get_value();
float h;
if (j == point_end) {
h = end.y; //make sure it always connects
} else if (j == point_start) {
h = start.y; //make sure it always connects
} else { //custom interpolation, used because it needs to show paths affected by moving the selection or handles
int iterations = 10;
float low = 0;
float high = 1;
//narrow high and low as much as possible
for (int k = 0; k < iterations; k++) {
float middle = (low + high) / 2.0;
Vector2 interp = start.bezier_interpolate(out_handle, in_handle, end, middle);
if (interp.x < t) {
low = middle;
} else {
high = middle;
}
}
//interpolate the result:
Vector2 low_pos = start.bezier_interpolate(out_handle, in_handle, end, low);
Vector2 high_pos = start.bezier_interpolate(out_handle, in_handle, end, high);
float c = (t - low_pos.x) / (high_pos.x - low_pos.x);
h = low_pos.lerp(high_pos, c).y;
}
h = _bezier_h_to_pixel(h);
Vector2 pos(j, h);
if (j > from_x) {
lines.push_back(prev_pos);
lines.push_back(pos);
}
prev_pos = pos;
}
if (lines.size() >= 2) {
draw_multiline(lines, p_color, Math::round(EDSCALE));
}
}
}
void AnimationBezierTrackEdit::_draw_line_clipped(const Vector2 &p_from, const Vector2 &p_to, const Color &p_color, int p_clip_left, int p_clip_right) {
Vector2 from = p_from;
Vector2 to = p_to;
if (from.x == to.x && from.y == to.y) {
return;
}
if (to.x < from.x) {
SWAP(to, from);
}
if (to.x < p_clip_left) {
return;
}
if (from.x > p_clip_right) {
return;
}
if (to.x > p_clip_right) {
float c = (p_clip_right - from.x) / (to.x - from.x);
to = from.lerp(to, c);
}
if (from.x < p_clip_left) {
float c = (p_clip_left - from.x) / (to.x - from.x);
from = from.lerp(to, c);
}
draw_line(from, to, p_color, Math::round(EDSCALE));
}
void AnimationBezierTrackEdit::_notification(int p_what) {
switch (p_what) {
case EditorSettings::NOTIFICATION_EDITOR_SETTINGS_CHANGED: {
panner->setup((ViewPanner::ControlScheme)EDITOR_GET("editors/panning/animation_editors_panning_scheme").operator int(), ED_GET_SHORTCUT("canvas_item_editor/pan_view"), bool(EDITOR_GET("editors/panning/simple_panning")));
} break;
case NOTIFICATION_ENTER_TREE: {
panner->setup((ViewPanner::ControlScheme)EDITOR_GET("editors/panning/animation_editors_panning_scheme").operator int(), ED_GET_SHORTCUT("canvas_item_editor/pan_view"), bool(EDITOR_GET("editors/panning/simple_panning")));
[[fallthrough]];
}
case NOTIFICATION_THEME_CHANGED: {
bezier_icon = get_editor_theme_icon(SNAME("KeyBezierPoint"));
bezier_handle_icon = get_editor_theme_icon(SNAME("KeyBezierHandle"));
selected_icon = get_editor_theme_icon(SNAME("KeyBezierSelected"));
} break;
case NOTIFICATION_DRAW: {
if (animation.is_null()) {
return;
}
int limit = timeline->get_name_limit();
if (has_focus()) {
Color accent = get_theme_color(SNAME("accent_color"), EditorStringName(Editor));
accent.a *= 0.7;
draw_rect(Rect2(Point2(), get_size()), accent, false, Math::round(EDSCALE));
}
Ref<Font> font = get_theme_font(SNAME("font"), SNAME("Label"));
int font_size = get_theme_font_size(SNAME("font_size"), SNAME("Label"));
Color color = get_theme_color(SNAME("font_color"), SNAME("Label"));
int hsep = get_theme_constant(SNAME("h_separation"), SNAME("ItemList"));
int vsep = get_theme_constant(SNAME("v_separation"), SNAME("ItemList"));
Color linecolor = color;
linecolor.a = 0.2;
draw_line(Point2(limit, 0), Point2(limit, get_size().height), linecolor, Math::round(EDSCALE));
int right_limit = get_size().width;
track_v_scroll_max = vsep;
int vofs = vsep + track_v_scroll;
int margin = 0;
RBMap<int, Color> subtrack_colors;
Color selected_track_color;
subtracks.clear();
subtrack_icons.clear();
RBMap<String, Vector<int>> track_indices;
int track_count = animation->get_track_count();
for (int i = 0; i < track_count; ++i) {
if (animation->track_get_type(i) != Animation::TrackType::TYPE_BEZIER) {
continue;
}
String base_path = animation->track_get_path(i);
if (is_filtered) {
if (root && root->has_node(base_path)) {
Node *node = root->get_node(base_path);
if (!node) {
continue; // No node, no filter.
}
if (!EditorNode::get_singleton()->get_editor_selection()->is_selected(node)) {
continue; // Skip track due to not selected.
}
}
}
int end = base_path.find(":");
if (end != -1) {
base_path = base_path.substr(0, end + 1);
}
Vector<int> indices = track_indices.has(base_path) ? track_indices[base_path] : Vector<int>();
indices.push_back(i);
track_indices[base_path] = indices;
}
for (const KeyValue<String, Vector<int>> &E : track_indices) {
String base_path = E.key;
Vector<int> tracks = E.value;
// NAMES AND ICON
{
NodePath path = animation->track_get_path(tracks[0]);
Node *node = nullptr;
if (root && root->has_node(path)) {
node = root->get_node(path);
}
String text;
if (node) {
int ofs = 0;
Ref<Texture2D> icon = EditorNode::get_singleton()->get_object_icon(node, "Node");
text = node->get_name();
ofs += hsep;
TextLine text_buf = TextLine(text, font, font_size);
text_buf.set_width(limit - ofs - icon->get_width() - hsep);
int h = MAX(text_buf.get_size().y, icon->get_height());
draw_texture(icon, Point2(ofs, vofs + int(h - icon->get_height()) / 2.0));
ofs += icon->get_width();
margin = icon->get_width();
Vector2 string_pos = Point2(ofs, vofs);
string_pos = string_pos.floor();
text_buf.draw(get_canvas_item(), string_pos, color);
vofs += h + vsep;
track_v_scroll_max += h + vsep;
}
}
Color dc = get_theme_color(SNAME("disabled_font_color"), EditorStringName(Editor));
Ref<Texture2D> remove = get_editor_theme_icon(SNAME("Remove"));
float remove_hpos = limit - hsep - remove->get_width();
Ref<Texture2D> lock = get_editor_theme_icon(SNAME("Lock"));
Ref<Texture2D> unlock = get_editor_theme_icon(SNAME("Unlock"));
float lock_hpos = remove_hpos - hsep - lock->get_width();
Ref<Texture2D> visibility_visible = get_editor_theme_icon(SNAME("GuiVisibilityVisible"));
Ref<Texture2D> visibility_hidden = get_editor_theme_icon(SNAME("GuiVisibilityHidden"));
float visibility_hpos = lock_hpos - hsep - visibility_visible->get_width();
Ref<Texture2D> solo = get_editor_theme_icon(SNAME("AudioBusSolo"));
float solo_hpos = visibility_hpos - hsep - solo->get_width();
float buttons_width = remove->get_width() + lock->get_width() + visibility_visible->get_width() + solo->get_width() + hsep * 3;
for (int i = 0; i < tracks.size(); ++i) {
// RELATED TRACKS TITLES
int current_track = tracks[i];
String path = animation->track_get_path(current_track);
path = path.replace_first(base_path, "");
Color cc = color;
TextLine text_buf = TextLine(path, font, font_size);
text_buf.set_width(limit - margin - buttons_width);
Rect2 rect = Rect2(margin, vofs, solo_hpos - hsep - solo->get_width(), text_buf.get_size().y + vsep);
cc.a *= 0.7;
float h;
if (path.ends_with(":x")) {
h = 0;
} else if (path.ends_with(":y")) {
h = 0.33f;
} else if (path.ends_with(":z")) {
h = 0.66f;
} else {
uint32_t hash = path.hash();
hash = ((hash >> 16) ^ hash) * 0x45d9f3b;
hash = ((hash >> 16) ^ hash) * 0x45d9f3b;
hash = (hash >> 16) ^ hash;
h = (hash % 65535) / 65536.0;
}
if (current_track != selected_track) {
Color track_color;
if (locked_tracks.has(current_track)) {
track_color.set_hsv(h, 0, 0.4);
} else {
track_color.set_hsv(h, 0.2, 0.8);
}
track_color.a = 0.5;
draw_rect(Rect2(0, vofs, margin - hsep, text_buf.get_size().y * 0.8), track_color);
subtrack_colors[current_track] = track_color;
subtracks[current_track] = rect;
} else {
Color ac = get_theme_color(SNAME("accent_color"), EditorStringName(Editor));
ac.a = 0.5;
draw_rect(rect, ac);
if (locked_tracks.has(selected_track)) {
selected_track_color.set_hsv(h, 0.0, 0.4);
} else {
selected_track_color.set_hsv(h, 0.8, 0.8);
}
}
Vector2 string_pos = Point2(margin, vofs);
text_buf.draw(get_canvas_item(), string_pos, cc);
float icon_start_height = vofs + rect.size.y / 2.0;
Rect2 remove_rect = Rect2(remove_hpos, icon_start_height - remove->get_height() / 2.0, remove->get_width(), remove->get_height());
if (read_only) {
draw_texture(remove, remove_rect.position, dc);
} else {
draw_texture(remove, remove_rect.position);
}
Rect2 lock_rect = Rect2(lock_hpos, icon_start_height - lock->get_height() / 2.0, lock->get_width(), lock->get_height());
if (locked_tracks.has(current_track)) {
draw_texture(lock, lock_rect.position);
} else {
draw_texture(unlock, lock_rect.position);
}
Rect2 visible_rect = Rect2(visibility_hpos, icon_start_height - visibility_visible->get_height() / 2.0, visibility_visible->get_width(), visibility_visible->get_height());
if (hidden_tracks.has(current_track)) {
draw_texture(visibility_hidden, visible_rect.position);
} else {
draw_texture(visibility_visible, visible_rect.position);
}
Rect2 solo_rect = Rect2(solo_hpos, icon_start_height - solo->get_height() / 2.0, solo->get_width(), solo->get_height());
draw_texture(solo, solo_rect.position);
RBMap<int, Rect2> track_icons;
track_icons[REMOVE_ICON] = remove_rect;
track_icons[LOCK_ICON] = lock_rect;
track_icons[VISIBILITY_ICON] = visible_rect;
track_icons[SOLO_ICON] = solo_rect;
subtrack_icons[current_track] = track_icons;
vofs += text_buf.get_size().y + vsep;
track_v_scroll_max += text_buf.get_size().y + vsep;
}
}
Color accent = get_theme_color(SNAME("accent_color"), EditorStringName(Editor));
{ //guides
float min_left_scale = font->get_height(font_size) + vsep;
float scale = (min_left_scale * 2) * timeline_v_zoom;
float step = Math::pow(10.0, Math::round(Math::log(scale / 5.0) / Math::log(10.0))) * 5.0;
scale = Math::snapped(scale, step);
while (scale / timeline_v_zoom < min_left_scale * 2) {
scale += step;
}
bool first = true;
int prev_iv = 0;
for (int i = font->get_height(font_size); i < get_size().height; i++) {
float ofs = get_size().height / 2.0 - i;
ofs *= timeline_v_zoom;
ofs += timeline_v_scroll;
int iv = int(ofs / scale);
if (ofs < 0) {
iv -= 1;
}
if (!first && iv != prev_iv) {
Color lc = linecolor;
lc.a *= 0.5;
draw_line(Point2(limit, i), Point2(right_limit, i), lc, Math::round(EDSCALE));
Color c = color;
c.a *= 0.5;
draw_string(font, Point2(limit + 8, i - 2), TS->format_number(rtos(Math::snapped((iv + 1) * scale, step))), HORIZONTAL_ALIGNMENT_LEFT, -1, font_size, c);
}
first = false;
prev_iv = iv;
}
}
{ //draw OTHER curves
float scale = timeline->get_zoom_scale();
Ref<Texture2D> point = get_editor_theme_icon(SNAME("KeyValue"));
for (const KeyValue<int, Color> &E : subtrack_colors) {
if (hidden_tracks.has(E.key)) {
continue;
}
_draw_track(E.key, E.value);
for (int i = 0; i < animation->track_get_key_count(E.key); i++) {
float offset = animation->track_get_key_time(E.key, i);
float value = animation->bezier_track_get_key_value(E.key, i);
Vector2 pos((offset - timeline->get_value()) * scale + limit, _bezier_h_to_pixel(value));
if (pos.x >= limit && pos.x <= right_limit) {
draw_texture(point, pos - point->get_size() / 2.0, E.value);
}
}
}
if (track_count > 0 && !hidden_tracks.has(selected_track)) {
//draw edited curve
_draw_track(selected_track, selected_track_color);
}
}
//draw editor handles
{
edit_points.clear();
float scale = timeline->get_zoom_scale();
for (int i = 0; i < track_count; ++i) {
if (animation->track_get_type(i) != Animation::TrackType::TYPE_BEZIER || hidden_tracks.has(i)) {
continue;
}
if (hidden_tracks.has(i) || locked_tracks.has(i)) {
continue;
}
int key_count = animation->track_get_key_count(i);
String path = animation->track_get_path(i);
if (is_filtered) {
if (root && root->has_node(path)) {
Node *node = root->get_node(path);
if (!node) {
continue; // No node, no filter.
}
if (!EditorNode::get_singleton()->get_editor_selection()->is_selected(node)) {
continue; // Skip track due to not selected.
}
}
}
for (int j = 0; j < key_count; ++j) {
float offset = animation->track_get_key_time(i, j);
float value = animation->bezier_track_get_key_value(i, j);
if (moving_selection && selection.has(IntPair(i, j))) {
offset += moving_selection_offset.x;
value += moving_selection_offset.y;
}
Vector2 pos((offset - timeline->get_value()) * scale + limit, _bezier_h_to_pixel(value));
Vector2 in_vec = animation->bezier_track_get_key_in_handle(i, j);
if ((moving_handle == 1 || moving_handle == -1) && moving_handle_track == i && moving_handle_key == j) {
in_vec = moving_handle_left;
}
Vector2 pos_in(((offset + in_vec.x) - timeline->get_value()) * scale + limit, _bezier_h_to_pixel(value + in_vec.y));
Vector2 out_vec = animation->bezier_track_get_key_out_handle(i, j);
if ((moving_handle == 1 || moving_handle == -1) && moving_handle_track == i && moving_handle_key == j) {
out_vec = moving_handle_right;
}
Vector2 pos_out(((offset + out_vec.x) - timeline->get_value()) * scale + limit, _bezier_h_to_pixel(value + out_vec.y));
if (i == selected_track || selection.has(IntPair(i, j))) {
_draw_line_clipped(pos, pos_in, accent, limit, right_limit);
_draw_line_clipped(pos, pos_out, accent, limit, right_limit);
}
EditPoint ep;
ep.track = i;
ep.key = j;
if (pos.x >= limit && pos.x <= right_limit) {
ep.point_rect.position = (pos - bezier_icon->get_size() / 2.0).floor();
ep.point_rect.size = bezier_icon->get_size();
if (selection.has(IntPair(i, j))) {
draw_texture(selected_icon, ep.point_rect.position);
draw_string(font, ep.point_rect.position + Vector2(8, -font->get_height(font_size) - 8), TTR("Time:") + " " + TS->format_number(rtos(Math::snapped(offset, 0.0001))), HORIZONTAL_ALIGNMENT_LEFT, -1, font_size, accent);
draw_string(font, ep.point_rect.position + Vector2(8, -8), TTR("Value:") + " " + TS->format_number(rtos(Math::snapped(value, 0.001))), HORIZONTAL_ALIGNMENT_LEFT, -1, font_size, accent);
} else {
Color track_color = Color(1, 1, 1, 1);
if (i != selected_track) {
track_color = subtrack_colors[i];
}
draw_texture(bezier_icon, ep.point_rect.position, track_color);
}
ep.point_rect = ep.point_rect.grow(ep.point_rect.size.width * 0.5);
}
ep.point_rect = ep.point_rect.grow(ep.point_rect.size.width * 0.5);
if (i == selected_track || selection.has(IntPair(i, j))) {
if (animation->bezier_track_get_key_handle_mode(i, j) != Animation::HANDLE_MODE_LINEAR) {
if (pos_in.x >= limit && pos_in.x <= right_limit) {
ep.in_rect.position = (pos_in - bezier_handle_icon->get_size() / 2.0).floor();
ep.in_rect.size = bezier_handle_icon->get_size();
draw_texture(bezier_handle_icon, ep.in_rect.position);
ep.in_rect = ep.in_rect.grow(ep.in_rect.size.width * 0.5);
}
if (pos_out.x >= limit && pos_out.x <= right_limit) {
ep.out_rect.position = (pos_out - bezier_handle_icon->get_size() / 2.0).floor();
ep.out_rect.size = bezier_handle_icon->get_size();
draw_texture(bezier_handle_icon, ep.out_rect.position);
ep.out_rect = ep.out_rect.grow(ep.out_rect.size.width * 0.5);
}
}
}
if (!locked_tracks.has(i)) {
edit_points.push_back(ep);
}
}
}
for (int i = 0; i < edit_points.size(); ++i) {
if (edit_points[i].track == selected_track) {
EditPoint ep = edit_points[i];
edit_points.remove_at(i);
edit_points.insert(0, ep);
}
}
}
if (box_selecting) {
Vector2 bs_from = box_selection_from;
Vector2 bs_to = box_selection_to;
if (bs_from.x > bs_to.x) {
SWAP(bs_from.x, bs_to.x);
}
if (bs_from.y > bs_to.y) {
SWAP(bs_from.y, bs_to.y);
}
draw_rect(
Rect2(bs_from, bs_to - bs_from),
get_theme_color(SNAME("box_selection_fill_color"), EditorStringName(Editor)));
draw_rect(
Rect2(bs_from, bs_to - bs_from),
get_theme_color(SNAME("box_selection_stroke_color"), EditorStringName(Editor)),
false,
Math::round(EDSCALE));
}
} break;
}
}
Ref<Animation> AnimationBezierTrackEdit::get_animation() const {
return animation;
}
void AnimationBezierTrackEdit::set_animation_and_track(const Ref<Animation> &p_animation, int p_track, bool p_read_only) {
animation = p_animation;
read_only = p_read_only;
selected_track = p_track;
queue_redraw();
}
Size2 AnimationBezierTrackEdit::get_minimum_size() const {
return Vector2(1, 1);
}
void AnimationBezierTrackEdit::set_timeline(AnimationTimelineEdit *p_timeline) {
timeline = p_timeline;
timeline->connect("zoom_changed", callable_mp(this, &AnimationBezierTrackEdit::_zoom_changed));
timeline->connect("name_limit_changed", callable_mp(this, &AnimationBezierTrackEdit::_zoom_changed));
}
void AnimationBezierTrackEdit::set_editor(AnimationTrackEditor *p_editor) {
editor = p_editor;
connect("clear_selection", callable_mp(editor, &AnimationTrackEditor::_clear_selection).bind(false));
connect("select_key", callable_mp(editor, &AnimationTrackEditor::_key_selected), CONNECT_DEFERRED);
}
void AnimationBezierTrackEdit::_play_position_draw() {
if (!animation.is_valid() || play_position_pos < 0) {
return;
}
float scale = timeline->get_zoom_scale();
int h = get_size().height;
int limit = timeline->get_name_limit();
int px = (-timeline->get_value() + play_position_pos) * scale + limit;
if (px >= limit && px < (get_size().width)) {
Color color = get_theme_color(SNAME("accent_color"), EditorStringName(Editor));
play_position->draw_line(Point2(px, 0), Point2(px, h), color, Math::round(2 * EDSCALE));
}
}
void AnimationBezierTrackEdit::set_play_position(real_t p_pos) {
play_position_pos = p_pos;
play_position->queue_redraw();
}
void AnimationBezierTrackEdit::update_play_position() {
play_position->queue_redraw();
}
void AnimationBezierTrackEdit::set_root(Node *p_root) {
root = p_root;
}
void AnimationBezierTrackEdit::set_filtered(bool p_filtered) {
is_filtered = p_filtered;
if (animation == nullptr) {
return;
}
String base_path = animation->track_get_path(selected_track);
if (is_filtered) {
if (root && root->has_node(base_path)) {
Node *node = root->get_node(base_path);
if (!node || !EditorNode::get_singleton()->get_editor_selection()->is_selected(node)) {
for (int i = 0; i < animation->get_track_count(); ++i) {
if (animation->track_get_type(i) != Animation::TrackType::TYPE_BEZIER) {
continue;
}
base_path = animation->track_get_path(i);
if (root && root->has_node(base_path)) {
node = root->get_node(base_path);
if (!node) {
continue; // No node, no filter.
}
if (!EditorNode::get_singleton()->get_editor_selection()->is_selected(node)) {
continue; // Skip track due to not selected.
}
set_animation_and_track(animation, i, read_only);
break;
}
}
}
}
}
queue_redraw();
}
void AnimationBezierTrackEdit::_zoom_changed() {
queue_redraw();
play_position->queue_redraw();
}
void AnimationBezierTrackEdit::_update_locked_tracks_after(int p_track) {
if (locked_tracks.has(p_track)) {
locked_tracks.erase(p_track);
}
Vector<int> updated_locked_tracks;
for (const int &E : locked_tracks) {
updated_locked_tracks.push_back(E);
}
locked_tracks.clear();
for (int i = 0; i < updated_locked_tracks.size(); ++i) {
if (updated_locked_tracks[i] > p_track) {
locked_tracks.insert(updated_locked_tracks[i] - 1);
} else {
locked_tracks.insert(updated_locked_tracks[i]);
}
}
}
void AnimationBezierTrackEdit::_update_hidden_tracks_after(int p_track) {
if (hidden_tracks.has(p_track)) {
hidden_tracks.erase(p_track);
}
Vector<int> updated_hidden_tracks;
for (const int &E : hidden_tracks) {
updated_hidden_tracks.push_back(E);
}
hidden_tracks.clear();
for (int i = 0; i < updated_hidden_tracks.size(); ++i) {
if (updated_hidden_tracks[i] > p_track) {
hidden_tracks.insert(updated_hidden_tracks[i] - 1);
} else {
hidden_tracks.insert(updated_hidden_tracks[i]);
}
}
}
String AnimationBezierTrackEdit::get_tooltip(const Point2 &p_pos) const {
return Control::get_tooltip(p_pos);
}
void AnimationBezierTrackEdit::_clear_selection() {
selection.clear();
emit_signal(SNAME("clear_selection"));
queue_redraw();
}
void AnimationBezierTrackEdit::_change_selected_keys_handle_mode(Animation::HandleMode p_mode, bool p_auto) {
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
undo_redo->create_action(TTR("Update Selected Key Handles"));
for (SelectionSet::Element *E = selection.back(); E; E = E->prev()) {
const IntPair track_key_pair = E->get();
undo_redo->add_undo_method(editor, "_bezier_track_set_key_handle_mode", animation.ptr(), track_key_pair.first, track_key_pair.second, animation->bezier_track_get_key_handle_mode(track_key_pair.first, track_key_pair.second), Animation::HANDLE_SET_MODE_NONE);
undo_redo->add_undo_method(animation.ptr(), "bezier_track_set_key_in_handle", track_key_pair.first, track_key_pair.second, animation->bezier_track_get_key_in_handle(track_key_pair.first, track_key_pair.second));
undo_redo->add_undo_method(animation.ptr(), "bezier_track_set_key_out_handle", track_key_pair.first, track_key_pair.second, animation->bezier_track_get_key_out_handle(track_key_pair.first, track_key_pair.second));
undo_redo->add_do_method(editor, "_bezier_track_set_key_handle_mode", animation.ptr(), track_key_pair.first, track_key_pair.second, p_mode, p_auto ? Animation::HANDLE_SET_MODE_AUTO : Animation::HANDLE_SET_MODE_RESET);
}
undo_redo->commit_action();
}
void AnimationBezierTrackEdit::_clear_selection_for_anim(const Ref<Animation> &p_anim) {
if (!(animation == p_anim)) {
return;
}
_clear_selection();
}
void AnimationBezierTrackEdit::_select_at_anim(const Ref<Animation> &p_anim, int p_track, real_t p_pos) {
if (!(animation == p_anim)) {
return;
}
int idx = animation->track_find_key(p_track, p_pos, Animation::FIND_MODE_APPROX);
ERR_FAIL_COND(idx < 0);
selection.insert(IntPair(p_track, idx));
emit_signal(SNAME("select_key"), idx, true, p_track);
queue_redraw();
}
void AnimationBezierTrackEdit::gui_input(const Ref<InputEvent> &p_event) {
ERR_FAIL_COND(p_event.is_null());
if (panner->gui_input(p_event)) {
accept_event();
return;
}
if (p_event->is_pressed()) {
if (ED_GET_SHORTCUT("animation_editor/duplicate_selected_keys")->matches_event(p_event)) {
if (!read_only) {
duplicate_selected_keys(-1.0);
}
accept_event();
}
if (ED_GET_SHORTCUT("animation_editor/copy_selected_keys")->matches_event(p_event)) {
if (!read_only) {
copy_selected_keys();
}
accept_event();
}
if (ED_GET_SHORTCUT("animation_editor/paste_keys")->matches_event(p_event)) {
if (!read_only) {
paste_keys(-1.0);
}
accept_event();
}
}
Ref<InputEventKey> key_press = p_event;
if (key_press.is_valid() && key_press->is_pressed()) {
if (ED_GET_SHORTCUT("animation_bezier_editor/focus")->matches_event(p_event)) {
SelectionSet focused_keys;
if (selection.is_empty()) {
for (int i = 0; i < edit_points.size(); ++i) {
IntPair key_pair = IntPair(edit_points[i].track, edit_points[i].key);
focused_keys.insert(key_pair);
}
} else {
for (const IntPair &E : selection) {
focused_keys.insert(E);
if (E.second > 0) {
IntPair previous_key = IntPair(E.first, E.second - 1);
focused_keys.insert(previous_key);
}
if (E.second < animation->track_get_key_count(E.first) - 1) {
IntPair next_key = IntPair(E.first, E.second + 1);
focused_keys.insert(next_key);
}
}
}
if (focused_keys.is_empty()) {
accept_event();
return;
}
real_t minimum_time = INFINITY;
real_t maximum_time = -INFINITY;
real_t minimum_value = INFINITY;
real_t maximum_value = -INFINITY;
for (const IntPair &E : selection) {
IntPair key_pair = E;
real_t time = animation->track_get_key_time(key_pair.first, key_pair.second);
real_t value = animation->bezier_track_get_key_value(key_pair.first, key_pair.second);
minimum_time = MIN(time, minimum_time);
maximum_time = MAX(time, maximum_time);
minimum_value = MIN(value, minimum_value);
maximum_value = MAX(value, maximum_value);
}
float width = get_size().width - timeline->get_name_limit() - timeline->get_buttons_width();
float padding = width * 0.1;
float desired_scale = (width - padding / 2.0) / (maximum_time - minimum_time);
minimum_time = MAX(0, minimum_time - (padding / 2.0) / desired_scale);
float zv = Math::pow(100 / desired_scale, 0.125f);
if (zv < 1) {
zv = Math::pow(desired_scale / 100, 0.125f) - 1;
zv = 1 - zv;
}
float zoom_value = timeline->get_zoom()->get_max() - zv;
if (Math::is_finite(minimum_time) && Math::is_finite(maximum_time) && maximum_time - minimum_time > CMP_EPSILON) {
timeline->get_zoom()->set_value(zoom_value);
callable_mp((Range *)timeline, &Range::set_value).call_deferred(minimum_time);
}
if (Math::is_finite(minimum_value) && Math::is_finite(maximum_value)) {
timeline_v_scroll = (maximum_value + minimum_value) / 2.0;
if (maximum_value - minimum_value > CMP_EPSILON) {
timeline_v_zoom = (maximum_value - minimum_value) / ((get_size().height - timeline->get_size().height) * 0.9);
}
}
queue_redraw();
accept_event();
return;
} else if (ED_GET_SHORTCUT("animation_bezier_editor/select_all_keys")->matches_event(p_event)) {
for (int i = 0; i < edit_points.size(); ++i) {
selection.insert(IntPair(edit_points[i].track, edit_points[i].key));
}
queue_redraw();
accept_event();
return;
} else if (ED_GET_SHORTCUT("animation_bezier_editor/deselect_all_keys")->matches_event(p_event)) {
selection.clear();
queue_redraw();
accept_event();
return;
}
}
Ref<InputEventMouseButton> mb = p_event;
int limit = timeline->get_name_limit();
if (mb.is_valid() && mb->get_button_index() == MouseButton::RIGHT && mb->is_pressed()) {
menu_insert_key = mb->get_position();
if (menu_insert_key.x >= limit && menu_insert_key.x <= get_size().width) {
if (!read_only) {
Vector2 popup_pos = get_screen_position() + mb->get_position();
bool selected = _try_select_at_ui_pos(mb->get_position(), mb->is_shift_pressed(), false);
menu->clear();
menu->add_icon_item(bezier_icon, TTR("Insert Key Here"), MENU_KEY_INSERT);
if (selected || selection.size()) {
menu->add_separator();
menu->add_icon_item(get_editor_theme_icon(SNAME("Duplicate")), TTR("Duplicate Selected Key(s)"), MENU_KEY_DUPLICATE);
menu->add_icon_item(get_editor_theme_icon(SNAME("ActionCopy")), TTR("Copy Selected Key(s)"), MENU_KEY_COPY);
}
if (editor->is_key_clipboard_active()) {
menu->add_icon_item(get_editor_theme_icon(SNAME("ActionPaste")), TTR("Paste Key(s)"), MENU_KEY_PASTE);
}
if (selected || selection.size()) {
menu->add_separator();
menu->add_icon_item(get_editor_theme_icon(SNAME("Remove")), TTR("Delete Selected Key(s)"), MENU_KEY_DELETE);
menu->add_separator();
menu->add_icon_item(get_editor_theme_icon(SNAME("BezierHandlesFree")), TTR("Make Handles Free"), MENU_KEY_SET_HANDLE_FREE);
menu->add_icon_item(get_editor_theme_icon(SNAME("BezierHandlesLinear")), TTR("Make Handles Linear"), MENU_KEY_SET_HANDLE_LINEAR);
menu->add_icon_item(get_editor_theme_icon(SNAME("BezierHandlesBalanced")), TTR("Make Handles Balanced"), MENU_KEY_SET_HANDLE_BALANCED);
menu->add_icon_item(get_editor_theme_icon(SNAME("BezierHandlesMirror")), TTR("Make Handles Mirrored"), MENU_KEY_SET_HANDLE_MIRRORED);
menu->add_separator();
menu->add_icon_item(get_editor_theme_icon(SNAME("BezierHandlesBalanced")), TTR("Make Handles Balanced (Auto Tangent)"), MENU_KEY_SET_HANDLE_AUTO_BALANCED);
menu->add_icon_item(get_editor_theme_icon(SNAME("BezierHandlesMirror")), TTR("Make Handles Mirrored (Auto Tangent)"), MENU_KEY_SET_HANDLE_AUTO_MIRRORED);
}
if (menu->get_item_count()) {
menu->reset_size();
menu->set_position(popup_pos);
menu->popup();
}
}
}
}
if (mb.is_valid() && mb->is_pressed() && mb->get_button_index() == MouseButton::LEFT) {
for (const KeyValue<int, Rect2> &E : subtracks) {
if (E.value.has_point(mb->get_position())) {
if (!locked_tracks.has(E.key) && !hidden_tracks.has(E.key)) {
set_animation_and_track(animation, E.key, read_only);
_clear_selection();
}
return;
}
}
for (const KeyValue<int, RBMap<int, Rect2>> &E : subtrack_icons) {
int track = E.key;
RBMap<int, Rect2> track_icons = E.value;
for (const KeyValue<int, Rect2> &I : track_icons) {
if (I.value.has_point(mb->get_position())) {
if (I.key == REMOVE_ICON) {
if (!read_only) {
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
undo_redo->create_action("Remove Bezier Track");
undo_redo->add_do_method(this, "_update_locked_tracks_after", track);
undo_redo->add_do_method(this, "_update_hidden_tracks_after", track);
undo_redo->add_do_method(animation.ptr(), "remove_track", track);
undo_redo->add_undo_method(animation.ptr(), "add_track", Animation::TrackType::TYPE_BEZIER, track);
undo_redo->add_undo_method(animation.ptr(), "track_set_path", track, animation->track_get_path(track));
for (int i = 0; i < animation->track_get_key_count(track); ++i) {
undo_redo->add_undo_method(
this,
"_bezier_track_insert_key",
track,
animation->track_get_key_time(track, i),
animation->bezier_track_get_key_value(track, i),
animation->bezier_track_get_key_in_handle(track, i),
animation->bezier_track_get_key_out_handle(track, i),
animation->bezier_track_get_key_handle_mode(track, i));
}
undo_redo->commit_action();
selected_track = CLAMP(selected_track, 0, animation->get_track_count() - 1);
}
return;
} else if (I.key == LOCK_ICON) {
if (locked_tracks.has(track)) {
locked_tracks.erase(track);
} else {
locked_tracks.insert(track);
if (selected_track == track) {
for (int i = 0; i < animation->get_track_count(); ++i) {
if (!locked_tracks.has(i) && animation->track_get_type(i) == Animation::TrackType::TYPE_BEZIER) {
set_animation_and_track(animation, i, read_only);
break;
}
}
}
}
queue_redraw();
return;
} else if (I.key == VISIBILITY_ICON) {
if (hidden_tracks.has(track)) {
hidden_tracks.erase(track);
} else {
hidden_tracks.insert(track);
if (selected_track == track) {
for (int i = 0; i < animation->get_track_count(); ++i) {
if (!hidden_tracks.has(i) && animation->track_get_type(i) == Animation::TrackType::TYPE_BEZIER) {
set_animation_and_track(animation, i, read_only);
break;
}
}
}
}
Vector<int> visible_tracks;
for (int i = 0; i < animation->get_track_count(); ++i) {
if (!hidden_tracks.has(i) && animation->track_get_type(i) == Animation::TrackType::TYPE_BEZIER) {
visible_tracks.push_back(i);
}
}
if (visible_tracks.size() == 1) {
solo_track = visible_tracks[0];
} else {
solo_track = -1;
}
queue_redraw();
return;
} else if (I.key == SOLO_ICON) {
if (solo_track == track) {
solo_track = -1;
hidden_tracks.clear();
} else {
if (hidden_tracks.has(track)) {
hidden_tracks.erase(track);
}
for (int i = 0; i < animation->get_track_count(); ++i) {
if (animation->track_get_type(i) == Animation::TrackType::TYPE_BEZIER) {
if (i != track && !hidden_tracks.has(i)) {
hidden_tracks.insert(i);
}
}
}
set_animation_and_track(animation, track, read_only);
solo_track = track;
}
queue_redraw();
return;
}
return;
}
}
}
// First, check keyframe.
// Command/Control makes it ignore the keyframe, so control point editors can be force-edited.
if (!mb->is_command_or_control_pressed()) {
if (_try_select_at_ui_pos(mb->get_position(), mb->is_shift_pressed(), true)) {
return;
}
}
// Second, check handles.
for (int i = 0; i < edit_points.size(); i++) {
if (!read_only) {
if (edit_points[i].in_rect.has_point(mb->get_position())) {
moving_handle = -1;
moving_handle_key = edit_points[i].key;
moving_handle_track = edit_points[i].track;
moving_handle_left = animation->bezier_track_get_key_in_handle(edit_points[i].track, edit_points[i].key);
moving_handle_right = animation->bezier_track_get_key_out_handle(edit_points[i].track, edit_points[i].key);
queue_redraw();
return;
}
if (edit_points[i].out_rect.has_point(mb->get_position())) {
moving_handle = 1;
moving_handle_key = edit_points[i].key;
moving_handle_track = edit_points[i].track;
moving_handle_left = animation->bezier_track_get_key_in_handle(edit_points[i].track, edit_points[i].key);
moving_handle_right = animation->bezier_track_get_key_out_handle(edit_points[i].track, edit_points[i].key);
queue_redraw();
return;
}
}
}
//insert new point
if (mb->get_position().x >= limit && mb->get_position().x < get_size().width && mb->is_command_or_control_pressed()) {
Array new_point;
new_point.resize(5);
float h = (get_size().height / 2.0 - mb->get_position().y) * timeline_v_zoom + timeline_v_scroll;
new_point[0] = h;
new_point[1] = -0.25;
new_point[2] = 0;
new_point[3] = 0.25;
new_point[4] = 0;
real_t time = ((mb->get_position().x - limit) / timeline->get_zoom_scale()) + timeline->get_value();
while (animation->track_find_key(selected_track, time, Animation::FIND_MODE_APPROX) != -1) {
time += 0.0001;
}
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
undo_redo->create_action(TTR("Add Bezier Point"));
undo_redo->add_do_method(animation.ptr(), "bezier_track_insert_key", selected_track, time, new_point);
undo_redo->add_undo_method(animation.ptr(), "track_remove_key_at_time", selected_track, time);
undo_redo->commit_action();
//then attempt to move
int index = animation->track_find_key(selected_track, time, Animation::FIND_MODE_APPROX);
ERR_FAIL_COND(index == -1);
_clear_selection();
selection.insert(IntPair(selected_track, index));
moving_selection_attempt = true;
moving_selection = false;
moving_selection_from_key = index;
moving_selection_from_track = selected_track;
moving_selection_offset = Vector2();
select_single_attempt = IntPair(-1, -1);
queue_redraw();
return;
}
//box select
if (mb->get_position().x >= limit && mb->get_position().x < get_size().width) {
box_selecting_attempt = true;
box_selecting = false;
box_selecting_add = false;
box_selection_from = mb->get_position();
return;
}
}
if (box_selecting_attempt && mb.is_valid() && !mb->is_pressed() && mb->get_button_index() == MouseButton::LEFT) {
if (box_selecting) {
//do actual select
if (!box_selecting_add) {
_clear_selection();
}
Vector2 bs_from = box_selection_from;
Vector2 bs_to = box_selection_to;
if (bs_from.x > bs_to.x) {
SWAP(bs_from.x, bs_to.x);
}
if (bs_from.y > bs_to.y) {
SWAP(bs_from.y, bs_to.y);
}
Rect2 selection_rect(bs_from, bs_to - bs_from);
bool track_set = false;
for (int i = 0; i < edit_points.size(); i++) {
if (edit_points[i].point_rect.intersects(selection_rect)) {
selection.insert(IntPair(edit_points[i].track, edit_points[i].key));
if (!track_set) {
track_set = true;
set_animation_and_track(animation, edit_points[i].track, read_only);
}
}
}
} else {
_clear_selection(); //clicked and nothing happened, so clear the selection
//select by clicking on curve
int track_count = animation->get_track_count();
real_t animation_length = animation->get_length();
animation->set_length(real_t(INT_MAX)); //bezier_track_interpolate doesn't find keys if they exist beyond anim length
real_t time = ((mb->get_position().x - limit) / timeline->get_zoom_scale()) + timeline->get_value();
for (int i = 0; i < track_count; ++i) {
if (animation->track_get_type(i) != Animation::TrackType::TYPE_BEZIER || hidden_tracks.has(i) || locked_tracks.has(i)) {
continue;
}
float track_h = animation->bezier_track_interpolate(i, time);
float track_height = _bezier_h_to_pixel(track_h);
if (abs(mb->get_position().y - track_height) < 10) {
set_animation_and_track(animation, i, read_only);
break;
}
}
animation->set_length(animation_length);
}
box_selecting_attempt = false;
box_selecting = false;
queue_redraw();
}
if (moving_selection_attempt && mb.is_valid() && !mb->is_pressed() && mb->get_button_index() == MouseButton::LEFT) {
if (!read_only) {
if (moving_selection) {
//combit it
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
undo_redo->create_action(TTR("Move Bezier Points"));
List<AnimMoveRestore> to_restore;
List<Animation::HandleMode> to_restore_handle_modes;
// 1-remove the keys
for (SelectionSet::Element *E = selection.back(); E; E = E->prev()) {
undo_redo->add_do_method(animation.ptr(), "track_remove_key", E->get().first, E->get().second);
}
// 2- remove overlapped keys
for (SelectionSet::Element *E = selection.back(); E; E = E->prev()) {
real_t newtime = editor->snap_time(animation->track_get_key_time(E->get().first, E->get().second) + moving_selection_offset.x);
int idx = animation->track_find_key(E->get().first, newtime, Animation::FIND_MODE_APPROX);
if (idx == -1) {
continue;
}
if (selection.has(IntPair(E->get().first, idx))) {
continue; //already in selection, don't save
}
undo_redo->add_do_method(animation.ptr(), "track_remove_key_at_time", E->get().first, newtime);
AnimMoveRestore amr;
amr.key = animation->track_get_key_value(E->get().first, idx);
amr.track = E->get().first;
amr.time = newtime;
to_restore.push_back(amr);
to_restore_handle_modes.push_back(animation->bezier_track_get_key_handle_mode(E->get().first, idx));
}
// 3-move the keys (re insert them)
for (SelectionSet::Element *E = selection.back(); E; E = E->prev()) {
real_t newpos = editor->snap_time(animation->track_get_key_time(E->get().first, E->get().second) + moving_selection_offset.x);
Array key = animation->track_get_key_value(E->get().first, E->get().second);
real_t h = key[0];
h += moving_selection_offset.y;
key[0] = h;
undo_redo->add_do_method(
this,
"_bezier_track_insert_key",
E->get().first,
newpos,
key[0],
Vector2(key[1], key[2]),
Vector2(key[3], key[4]),
animation->bezier_track_get_key_handle_mode(E->get().first, E->get().second));
}
// 4-(undo) remove inserted keys
for (SelectionSet::Element *E = selection.back(); E; E = E->prev()) {
real_t newpos = editor->snap_time(animation->track_get_key_time(E->get().first, E->get().second) + moving_selection_offset.x);
undo_redo->add_undo_method(animation.ptr(), "track_remove_key_at_time", E->get().first, newpos);
}
// 5-(undo) reinsert keys
for (SelectionSet::Element *E = selection.back(); E; E = E->prev()) {
real_t oldpos = animation->track_get_key_time(E->get().first, E->get().second);
Array key = animation->track_get_key_value(E->get().first, E->get().second);
undo_redo->add_undo_method(
this,
"_bezier_track_insert_key",
E->get().first,
oldpos,
key[0],
Vector2(key[1], key[2]),
Vector2(key[3], key[4]),
animation->bezier_track_get_key_handle_mode(E->get().first, E->get().second));
}
// 6-(undo) reinsert overlapped keys
for (int i = 0; i < to_restore.size(); i++) {
const AnimMoveRestore &amr = to_restore[i];
Array key = amr.key;
undo_redo->add_undo_method(animation.ptr(), "track_insert_key", amr.track, amr.time, amr.key, 1);
undo_redo->add_undo_method(
this,
"_bezier_track_insert_key",
amr.track,
amr.time,
key[0],
Vector2(key[1], key[2]),
Vector2(key[3], key[4]),
to_restore_handle_modes[i]);
}
undo_redo->add_do_method(this, "_clear_selection_for_anim", animation);
undo_redo->add_undo_method(this, "_clear_selection_for_anim", animation);
// 7-reselect
for (SelectionSet::Element *E = selection.back(); E; E = E->prev()) {
real_t oldpos = animation->track_get_key_time(E->get().first, E->get().second);
real_t newpos = editor->snap_time(oldpos + moving_selection_offset.x);
undo_redo->add_do_method(this, "_select_at_anim", animation, E->get().first, newpos);
undo_redo->add_undo_method(this, "_select_at_anim", animation, E->get().first, oldpos);
}
undo_redo->commit_action();
moving_selection = false;
} else if (select_single_attempt != IntPair(-1, -1)) {
selection.clear();
selection.insert(select_single_attempt);
set_animation_and_track(animation, select_single_attempt.first, read_only);
}
moving_selection_attempt = false;
queue_redraw();
}
}
Ref<InputEventMouseMotion> mm = p_event;
if (moving_selection_attempt && mm.is_valid()) {
if (!moving_selection) {
moving_selection = true;
select_single_attempt = IntPair(-1, -1);
}
float y = (get_size().height / 2.0 - mm->get_position().y) * timeline_v_zoom + timeline_v_scroll;
float x = editor->snap_time(((mm->get_position().x - limit) / timeline->get_zoom_scale()) + timeline->get_value());
if (!read_only) {
moving_selection_offset = Vector2(x - animation->track_get_key_time(moving_selection_from_track, moving_selection_from_key), y - animation->bezier_track_get_key_value(moving_selection_from_track, moving_selection_from_key));
}
additional_moving_handle_lefts.clear();
additional_moving_handle_rights.clear();
queue_redraw();
}
if (box_selecting_attempt && mm.is_valid()) {
if (!box_selecting) {
box_selecting = true;
box_selecting_add = mm->is_shift_pressed();
}
box_selection_to = mm->get_position();
if (get_local_mouse_position().y < 0) {
//avoid cursor from going too above, so it does not lose focus with viewport
warp_mouse(Vector2(get_local_mouse_position().x, 0));
}
queue_redraw();
}
if ((moving_handle == 1 || moving_handle == -1) && mm.is_valid()) {
float y = (get_size().height / 2.0 - mm->get_position().y) * timeline_v_zoom + timeline_v_scroll;
float x = editor->snap_time((mm->get_position().x - timeline->get_name_limit()) / timeline->get_zoom_scale()) + timeline->get_value();
Vector2 key_pos = Vector2(animation->track_get_key_time(selected_track, moving_handle_key), animation->bezier_track_get_key_value(selected_track, moving_handle_key));
Vector2 moving_handle_value = Vector2(x, y) - key_pos;
moving_handle_left = animation->bezier_track_get_key_in_handle(moving_handle_track, moving_handle_key);
moving_handle_right = animation->bezier_track_get_key_out_handle(moving_handle_track, moving_handle_key);
if (moving_handle == -1) {
moving_handle_left = moving_handle_value;
Animation::HandleMode handle_mode = animation->bezier_track_get_key_handle_mode(moving_handle_track, moving_handle_key);
if (handle_mode == Animation::HANDLE_MODE_BALANCED) {
real_t ratio = timeline->get_zoom_scale() * timeline_v_zoom;
Transform2D xform;
xform.set_scale(Vector2(1.0, 1.0 / ratio));
Vector2 vec_out = xform.xform(moving_handle_right);
Vector2 vec_in = xform.xform(moving_handle_left);
moving_handle_right = xform.affine_inverse().xform(-vec_in.normalized() * vec_out.length());
} else if (handle_mode == Animation::HANDLE_MODE_MIRRORED) {
moving_handle_right = -moving_handle_left;
}
} else if (moving_handle == 1) {
moving_handle_right = moving_handle_value;
Animation::HandleMode handle_mode = animation->bezier_track_get_key_handle_mode(moving_handle_track, moving_handle_key);
if (handle_mode == Animation::HANDLE_MODE_BALANCED) {
real_t ratio = timeline->get_zoom_scale() * timeline_v_zoom;
Transform2D xform;
xform.set_scale(Vector2(1.0, 1.0 / ratio));
Vector2 vec_in = xform.xform(moving_handle_left);
Vector2 vec_out = xform.xform(moving_handle_right);
moving_handle_left = xform.affine_inverse().xform(-vec_out.normalized() * vec_in.length());
} else if (handle_mode == Animation::HANDLE_MODE_MIRRORED) {
moving_handle_left = -moving_handle_right;
}
}
queue_redraw();
}
if ((moving_handle == -1 || moving_handle == 1) && mb.is_valid() && !mb->is_pressed() && mb->get_button_index() == MouseButton::LEFT) {
if (!read_only) {
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
undo_redo->create_action(TTR("Move Bezier Points"));
if (moving_handle == -1) {
real_t ratio = timeline->get_zoom_scale() * timeline_v_zoom;
undo_redo->add_do_method(animation.ptr(), "bezier_track_set_key_in_handle", moving_handle_track, moving_handle_key, moving_handle_left, ratio);
undo_redo->add_undo_method(animation.ptr(), "bezier_track_set_key_in_handle", moving_handle_track, moving_handle_key, animation->bezier_track_get_key_in_handle(moving_handle_track, moving_handle_key), ratio);
} else if (moving_handle == 1) {
real_t ratio = timeline->get_zoom_scale() * timeline_v_zoom;
undo_redo->add_do_method(animation.ptr(), "bezier_track_set_key_out_handle", moving_handle_track, moving_handle_key, moving_handle_right, ratio);
undo_redo->add_undo_method(animation.ptr(), "bezier_track_set_key_out_handle", moving_handle_track, moving_handle_key, animation->bezier_track_get_key_out_handle(moving_handle_track, moving_handle_key), ratio);
}
undo_redo->commit_action();
moving_handle = 0;
queue_redraw();
}
}
}
bool AnimationBezierTrackEdit::_try_select_at_ui_pos(const Point2 &p_pos, bool p_aggregate, bool p_deselectable) {
for (int i = 0; i < edit_points.size(); i++) {
// Path 2D editing in the 3D and 2D editors works the same way. (?)
if (edit_points[i].point_rect.has_point(p_pos)) {
IntPair pair = IntPair(edit_points[i].track, edit_points[i].key);
if (p_aggregate) {
// Add to selection.
if (selection.has(pair)) {
if (p_deselectable) {
selection.erase(pair);
}
} else {
selection.insert(pair);
}
queue_redraw();
select_single_attempt = IntPair(-1, -1);
} else {
if (p_deselectable) {
moving_selection_attempt = true;
moving_selection_from_key = pair.second;
moving_selection_from_track = pair.first;
moving_selection_offset = Vector2();
moving_handle_track = pair.first;
moving_handle_left = animation->bezier_track_get_key_in_handle(pair.first, pair.second);
moving_handle_right = animation->bezier_track_get_key_out_handle(pair.first, pair.second);
if (selection.has(pair)) {
select_single_attempt = pair;
moving_selection = false;
} else {
moving_selection = true;
}
}
set_animation_and_track(animation, pair.first, read_only);
if (p_deselectable || !selection.has(pair)) {
selection.clear();
selection.insert(pair);
}
}
return true;
}
}
return false;
}
void AnimationBezierTrackEdit::_pan_callback(Vector2 p_scroll_vec, Ref<InputEvent> p_event) {
Ref<InputEventMouseMotion> mm = p_event;
if (mm.is_valid()) {
if (mm->get_position().x > timeline->get_name_limit()) {
timeline_v_scroll += p_scroll_vec.y * timeline_v_zoom;
timeline_v_scroll = CLAMP(timeline_v_scroll, -100000, 100000);
timeline->set_value(timeline->get_value() - p_scroll_vec.x / timeline->get_zoom_scale());
} else {
track_v_scroll += p_scroll_vec.y;
if (track_v_scroll < -track_v_scroll_max) {
track_v_scroll = -track_v_scroll_max;
} else if (track_v_scroll > 0) {
track_v_scroll = 0;
}
}
queue_redraw();
}
}
void AnimationBezierTrackEdit::_zoom_callback(float p_zoom_factor, Vector2 p_origin, Ref<InputEvent> p_event) {
const float v_zoom_orig = timeline_v_zoom;
Ref<InputEventWithModifiers> iewm = p_event;
if (iewm.is_valid() && iewm->is_alt_pressed()) {
// Alternate zoom (doesn't affect timeline).
timeline_v_zoom = CLAMP(timeline_v_zoom * p_zoom_factor, 0.000001, 100000);
} else {
timeline->_zoom_callback(p_zoom_factor, p_origin, p_event);
}
timeline_v_scroll = timeline_v_scroll + (p_origin.y - get_size().y / 2.0) * (timeline_v_zoom - v_zoom_orig);
queue_redraw();
}
Array AnimationBezierTrackEdit::make_default_bezier_key(float p_value) {
Array new_point;
new_point.resize(5);
new_point[0] = p_value;
new_point[1] = -0.25;
new_point[2] = 0;
new_point[3] = 0.25;
new_point[4] = 0;
return new_point;
}
float AnimationBezierTrackEdit::get_bezier_key_value(Array p_bezier_key_array) {
return p_bezier_key_array[0];
}
void AnimationBezierTrackEdit::_menu_selected(int p_index) {
int limit = timeline->get_name_limit();
real_t time = ((menu_insert_key.x - limit) / timeline->get_zoom_scale()) + timeline->get_value();
while (animation->track_find_key(selected_track, time, Animation::FIND_MODE_APPROX) != -1) {
time += 0.001;
}
switch (p_index) {
case MENU_KEY_INSERT: {
if (animation->get_track_count() > 0) {
float h = (get_size().height / 2.0 - menu_insert_key.y) * timeline_v_zoom + timeline_v_scroll;
Array new_point = make_default_bezier_key(h);
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
undo_redo->create_action(TTR("Add Bezier Point"));
undo_redo->add_do_method(animation.ptr(), "track_insert_key", selected_track, time, new_point);
undo_redo->add_undo_method(animation.ptr(), "track_remove_key_at_time", selected_track, time);
undo_redo->commit_action();
queue_redraw();
}
} break;
case MENU_KEY_DUPLICATE: {
duplicate_selected_keys(time);
} break;
case MENU_KEY_DELETE: {
delete_selection();
} break;
case MENU_KEY_COPY: {
copy_selected_keys();
} break;
case MENU_KEY_PASTE: {
paste_keys(time);
} break;
case MENU_KEY_SET_HANDLE_FREE: {
_change_selected_keys_handle_mode(Animation::HANDLE_MODE_FREE);
} break;
case MENU_KEY_SET_HANDLE_LINEAR: {
_change_selected_keys_handle_mode(Animation::HANDLE_MODE_LINEAR);
} break;
case MENU_KEY_SET_HANDLE_BALANCED: {
_change_selected_keys_handle_mode(Animation::HANDLE_MODE_BALANCED);
} break;
case MENU_KEY_SET_HANDLE_MIRRORED: {
_change_selected_keys_handle_mode(Animation::HANDLE_MODE_MIRRORED);
} break;
case MENU_KEY_SET_HANDLE_AUTO_BALANCED: {
_change_selected_keys_handle_mode(Animation::HANDLE_MODE_BALANCED, true);
} break;
case MENU_KEY_SET_HANDLE_AUTO_MIRRORED: {
_change_selected_keys_handle_mode(Animation::HANDLE_MODE_MIRRORED, true);
} break;
}
}
void AnimationBezierTrackEdit::duplicate_selected_keys(real_t p_ofs) {
if (selection.size() == 0) {
return;
}
real_t top_time = 1e10;
for (SelectionSet::Element *E = selection.back(); E; E = E->prev()) {
real_t t = animation->track_get_key_time(E->get().first, E->get().second);
if (t < top_time) {
top_time = t;
}
}
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
undo_redo->create_action(TTR("Animation Duplicate Keys"));
List<Pair<int, real_t>> new_selection_values;
for (SelectionSet::Element *E = selection.back(); E; E = E->prev()) {
real_t t = animation->track_get_key_time(E->get().first, E->get().second);
real_t insert_pos = p_ofs >= 0 ? p_ofs : timeline->get_play_position();
real_t dst_time = t + (insert_pos - top_time);
int existing_idx = animation->track_find_key(E->get().first, dst_time, Animation::FIND_MODE_APPROX);
undo_redo->add_do_method(animation.ptr(), "track_insert_key", E->get().first, dst_time, animation->track_get_key_value(E->get().first, E->get().second), animation->track_get_key_transition(E->get().first, E->get().second));
undo_redo->add_undo_method(animation.ptr(), "track_remove_key_at_time", E->get().first, dst_time);
Pair<int, real_t> p;
p.first = E->get().first;
p.second = dst_time;
new_selection_values.push_back(p);
if (existing_idx != -1) {
undo_redo->add_undo_method(animation.ptr(), "track_insert_key", E->get().first, dst_time, animation->track_get_key_value(E->get().first, existing_idx), animation->track_get_key_transition(E->get().first, existing_idx));
}
}
undo_redo->add_do_method(this, "_clear_selection_for_anim", animation);
undo_redo->add_undo_method(this, "_clear_selection_for_anim", animation);
// Reselect duplicated.
for (const Pair<int, real_t> &E : new_selection_values) {
undo_redo->add_do_method(this, "_select_at_anim", animation, E.first, E.second);
}
for (SelectionSet::Element *E = selection.back(); E; E = E->prev()) {
real_t time = animation->track_get_key_time(E->get().first, E->get().second);
undo_redo->add_undo_method(this, "_select_at_anim", animation, E->get().first, time);
}
undo_redo->add_do_method(this, "queue_redraw");
undo_redo->add_undo_method(this, "queue_redraw");
undo_redo->commit_action();
}
void AnimationBezierTrackEdit::copy_selected_keys() {
if (selection.is_empty()) {
return;
}
float top_time = 1e10;
for (SelectionSet::Element *E = selection.back(); E; E = E->prev()) {
float t = animation->track_get_key_time(E->get().first, E->get().second);
if (t < top_time) {
top_time = t;
}
}
RBMap<AnimationTrackEditor::SelectedKey, AnimationTrackEditor::KeyInfo> keys;
for (SelectionSet::Element *E = selection.back(); E; E = E->prev()) {
AnimationTrackEditor::SelectedKey sk;
AnimationTrackEditor::KeyInfo ki;
sk.track = E->get().first;
sk.key = E->get().second;
ki.pos = animation->track_get_key_time(E->get().first, E->get().second);
keys.insert(sk, ki);
}
editor->_set_key_clipboard(selected_track, top_time, keys);
}
void AnimationBezierTrackEdit::paste_keys(real_t p_ofs) {
if (editor->is_key_clipboard_active() && animation.is_valid() && (selected_track >= 0 && selected_track < animation->get_track_count())) {
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
undo_redo->create_action(TTR("Animation Paste Keys"));
bool same_track = true;
bool all_compatible = true;
for (int i = 0; i < editor->key_clipboard.keys.size(); i++) {
const AnimationTrackEditor::KeyClipboard::Key key = editor->key_clipboard.keys[i];
if (key.track != 0) {
same_track = false;
break;
}
if (!editor->_is_track_compatible(selected_track, key.value.get_type(), key.track_type)) {
all_compatible = false;
break;
}
}
ERR_FAIL_COND_MSG(!all_compatible, "Paste failed: Not all animation keys were compatible with their target tracks");
if (!same_track) {
WARN_PRINT("Pasted animation keys from multiple tracks into single Bezier track");
}
List<Pair<int, float>> new_selection_values;
for (int i = 0; i < editor->key_clipboard.keys.size(); i++) {
const AnimationTrackEditor::KeyClipboard::Key key = editor->key_clipboard.keys[i];
float insert_pos = p_ofs >= 0 ? p_ofs : timeline->get_play_position();
float dst_time = key.time + insert_pos;
int existing_idx = animation->track_find_key(selected_track, dst_time, Animation::FIND_MODE_APPROX);
Variant value = key.value;
if (key.track_type != Animation::TYPE_BEZIER) {
value = make_default_bezier_key(key.value);
}
undo_redo->add_do_method(animation.ptr(), "track_insert_key", selected_track, dst_time, value, key.transition);
undo_redo->add_undo_method(animation.ptr(), "track_remove_key_at_time", selected_track, dst_time);
Pair<int, float> p;
p.first = selected_track;
p.second = dst_time;
new_selection_values.push_back(p);
if (existing_idx != -1) {
undo_redo->add_undo_method(animation.ptr(), "track_insert_key", selected_track, dst_time, animation->track_get_key_value(selected_track, existing_idx), animation->track_get_key_transition(selected_track, existing_idx));
}
}
undo_redo->add_do_method(this, "_clear_selection_for_anim", animation);
undo_redo->add_undo_method(this, "_clear_selection_for_anim", animation);
// Reselect pasted.
for (const Pair<int, float> &E : new_selection_values) {
undo_redo->add_do_method(this, "_select_at_anim", animation, E.first, E.second);
}
for (SelectionSet::Element *E = selection.back(); E; E = E->prev()) {
undo_redo->add_undo_method(this, "_select_at_anim", animation, E->get().first, animation->track_get_key_time(E->get().first, E->get().second));
}
undo_redo->commit_action();
queue_redraw();
}
}
void AnimationBezierTrackEdit::delete_selection() {
if (selection.size()) {
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
undo_redo->create_action(TTR("Animation Delete Keys"));
for (SelectionSet::Element *E = selection.back(); E; E = E->prev()) {
undo_redo->add_do_method(animation.ptr(), "track_remove_key", E->get().first, E->get().second);
undo_redo->add_undo_method(animation.ptr(), "track_insert_key", E->get().first, animation->track_get_key_time(E->get().first, E->get().second), animation->track_get_key_value(E->get().first, E->get().second), 1);
}
undo_redo->add_do_method(this, "_clear_selection_for_anim", animation);
undo_redo->add_undo_method(this, "_clear_selection_for_anim", animation);
undo_redo->commit_action();
//selection.clear();
}
}
void AnimationBezierTrackEdit::_bezier_track_insert_key(int p_track, double p_time, real_t p_value, const Vector2 &p_in_handle, const Vector2 &p_out_handle, const Animation::HandleMode p_handle_mode) {
ERR_FAIL_COND(animation.is_null());
int idx = animation->bezier_track_insert_key(p_track, p_time, p_value, p_in_handle, p_out_handle);
animation->bezier_track_set_key_handle_mode(p_track, idx, p_handle_mode);
}
void AnimationBezierTrackEdit::_bind_methods() {
ClassDB::bind_method(D_METHOD("_clear_selection"), &AnimationBezierTrackEdit::_clear_selection);
ClassDB::bind_method(D_METHOD("_clear_selection_for_anim"), &AnimationBezierTrackEdit::_clear_selection_for_anim);
ClassDB::bind_method(D_METHOD("_select_at_anim"), &AnimationBezierTrackEdit::_select_at_anim);
ClassDB::bind_method(D_METHOD("_update_hidden_tracks_after"), &AnimationBezierTrackEdit::_update_hidden_tracks_after);
ClassDB::bind_method(D_METHOD("_update_locked_tracks_after"), &AnimationBezierTrackEdit::_update_locked_tracks_after);
ClassDB::bind_method(D_METHOD("_bezier_track_insert_key"), &AnimationBezierTrackEdit::_bezier_track_insert_key);
ADD_SIGNAL(MethodInfo("timeline_changed", PropertyInfo(Variant::FLOAT, "position")));
ADD_SIGNAL(MethodInfo("remove_request", PropertyInfo(Variant::INT, "track")));
ADD_SIGNAL(MethodInfo("insert_key", PropertyInfo(Variant::FLOAT, "offset")));
ADD_SIGNAL(MethodInfo("select_key", PropertyInfo(Variant::INT, "index"), PropertyInfo(Variant::BOOL, "single"), PropertyInfo(Variant::INT, "track")));
ADD_SIGNAL(MethodInfo("clear_selection"));
ADD_SIGNAL(MethodInfo("close_request"));
ADD_SIGNAL(MethodInfo("move_selection_begin"));
ADD_SIGNAL(MethodInfo("move_selection", PropertyInfo(Variant::FLOAT, "offset")));
ADD_SIGNAL(MethodInfo("move_selection_commit"));
ADD_SIGNAL(MethodInfo("move_selection_cancel"));
}
AnimationBezierTrackEdit::AnimationBezierTrackEdit() {
panner.instantiate();
panner->set_callbacks(callable_mp(this, &AnimationBezierTrackEdit::_pan_callback), callable_mp(this, &AnimationBezierTrackEdit::_zoom_callback));
panner->set_scroll_zoom_factor(AnimationTimelineEdit::SCROLL_ZOOM_FACTOR);
play_position = memnew(Control);
play_position->set_mouse_filter(MOUSE_FILTER_PASS);
add_child(play_position);
play_position->set_anchors_and_offsets_preset(PRESET_FULL_RECT);
play_position->connect("draw", callable_mp(this, &AnimationBezierTrackEdit::_play_position_draw));
set_focus_mode(FOCUS_CLICK);
set_clip_contents(true);
ED_SHORTCUT("animation_bezier_editor/focus", TTR("Focus"), Key::F);
ED_SHORTCUT("animation_bezier_editor/select_all_keys", TTR("Select All Keys"), KeyModifierMask::CMD_OR_CTRL | Key::A);
ED_SHORTCUT("animation_bezier_editor/deselect_all_keys", TTR("Deselect All Keys"), KeyModifierMask::CMD_OR_CTRL | KeyModifierMask::SHIFT | Key::A);
menu = memnew(PopupMenu);
add_child(menu);
menu->connect("id_pressed", callable_mp(this, &AnimationBezierTrackEdit::_menu_selected));
}
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