/*************************************************************************/ /* animation_bezier_editor.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2021 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 "animation_bezier_editor.h" #include "editor/editor_node.h" #include "editor_scale.h" #include "scene/resources/text_line.h" float AnimationBezierTrackEdit::_bezier_h_to_pixel(float p_h) { float h = p_h; h = (h - v_scroll) / v_zoom; h = (get_size().height / 2) - h; return h; } static _FORCE_INLINE_ Vector2 _bezier_interp(real_t t, const Vector2 &start, const Vector2 &control_1, const Vector2 &control_2, const Vector2 &end) { /* Formula from Wikipedia article on Bezier curves. */ real_t omt = (1.0 - t); real_t omt2 = omt * omt; real_t omt3 = omt2 * omt; real_t t2 = t * t; real_t t3 = t2 * t; return start * omt3 + control_1 * omt2 * t * 3.0 + control_2 * omt * t2 * 3.0 + end * t3; } 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 - timeline->get_buttons_width(); //selection may have altered the order of keys Map<float, int> key_order; for (int i = 0; i < animation->track_get_key_count(p_track); i++) { float ofs = animation->track_get_key_time(p_track, i); if (moving_selection && track == p_track && selection.has(i)) { ofs += moving_selection_offset.x; } key_order[ofs] = i; } for (Map<float, 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 (track == p_track && moving_handle != 0 && moving_handle_key == i) { out_handle = moving_handle_right; } if (moving_selection && track == p_track && selection.has(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 (track == p_track && moving_handle != 0 && moving_handle_key == i_n) { in_handle = moving_handle_left; } if (moving_selection && track == p_track && selection.has(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; float middle; //narrow high and low as much as possible for (int k = 0; k < iterations; k++) { middle = (low + high) / 2; Vector2 interp = _bezier_interp(middle, start, out_handle, in_handle, end); if (interp.x < t) { low = middle; } else { high = middle; } } //interpolate the result: Vector2 low_pos = _bezier_interp(low, start, out_handle, in_handle, end); Vector2 high_pos = _bezier_interp(high, start, out_handle, in_handle, end); 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) { if (p_what == NOTIFICATION_THEME_CHANGED || p_what == NOTIFICATION_ENTER_TREE) { close_button->set_icon(get_theme_icon(SNAME("Close"), SNAME("EditorIcons"))); bezier_icon = get_theme_icon(SNAME("KeyBezierPoint"), SNAME("EditorIcons")); bezier_handle_icon = get_theme_icon(SNAME("KeyBezierHandle"), SNAME("EditorIcons")); selected_icon = get_theme_icon(SNAME("KeyBezierSelected"), SNAME("EditorIcons")); } if (p_what == NOTIFICATION_RESIZED) { int right_limit = get_size().width - timeline->get_buttons_width(); int hsep = get_theme_constant(SNAME("hseparation"), SNAME("ItemList")); int vsep = get_theme_constant(SNAME("vseparation"), SNAME("ItemList")); right_column->set_position(Vector2(right_limit + hsep, vsep)); right_column->set_size(Vector2(timeline->get_buttons_width() - hsep * 2, get_size().y - vsep * 2)); } if (p_what == NOTIFICATION_DRAW) { if (animation.is_null()) { return; } int limit = timeline->get_name_limit(); if (has_focus()) { Color accent = get_theme_color(SNAME("accent_color"), SNAME("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("hseparation"), SNAME("ItemList")); int vsep = get_theme_constant(SNAME("vseparation"), 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 - timeline->get_buttons_width(); draw_line(Point2(right_limit, 0), Point2(right_limit, get_size().height), linecolor, Math::round(EDSCALE)); String base_path = animation->track_get_path(track); int end = base_path.find(":"); if (end != -1) { base_path = base_path.substr(0, end + 1); } // NAMES AND ICON int vofs = vsep; int margin = 0; { NodePath path = animation->track_get_path(track); 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; ofs += icon->get_width(); TextLine text_buf = TextLine(text, font, font_size); text_buf.set_width(limit - ofs - hsep); int h = MAX(text_buf.get_size().y, icon->get_height()); draw_texture(icon, Point2(ofs, vofs + int(h - icon->get_height()) / 2)); margin = icon->get_width(); Vector2 string_pos = Point2(ofs, vofs + (h - text_buf.get_size().y) / 2 + text_buf.get_line_ascent()); string_pos = string_pos.floor(); text_buf.draw(get_canvas_item(), string_pos, color); vofs += h + vsep; } } // RELATED TRACKS TITLES Map<int, Color> subtrack_colors; subtracks.clear(); for (int i = 0; i < animation->get_track_count(); i++) { if (animation->track_get_type(i) != Animation::TYPE_BEZIER) { continue; } String path = animation->track_get_path(i); if (!path.begins_with(base_path)) { continue; //another node } path = path.replace_first(base_path, ""); Color cc = color; TextLine text_buf = TextLine(path, font, font_size); text_buf.set_width(limit - margin - hsep); Rect2 rect = Rect2(margin, vofs, limit - margin - hsep, text_buf.get_size().y + vsep); if (i != track) { cc.a *= 0.7; uint32_t hash = path.hash(); hash = ((hash >> 16) ^ hash) * 0x45d9f3b; hash = ((hash >> 16) ^ hash) * 0x45d9f3b; hash = (hash >> 16) ^ hash; float h = (hash % 65535) / 65536.0; Color subcolor; subcolor.set_hsv(h, 0.2, 0.8); subcolor.a = 0.5; draw_rect(Rect2(0, vofs + text_buf.get_size().y * 0.1, margin - hsep, text_buf.get_size().y * 0.8), subcolor); subtrack_colors[i] = subcolor; subtracks[i] = rect; } else { Color ac = get_theme_color(SNAME("accent_color"), SNAME("Editor")); ac.a = 0.5; draw_rect(rect, ac); } Vector2 string_pos = Point2(margin, vofs + text_buf.get_line_ascent()); text_buf.draw(get_canvas_item(), string_pos, cc); vofs += text_buf.get_size().y + vsep; } Color accent = get_theme_color(SNAME("accent_color"), SNAME("Editor")); { //guides float min_left_scale = font->get_height(font_size) + vsep; float scale = (min_left_scale * 2) * 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 / 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 - i; ofs *= v_zoom; ofs += 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_theme_icon(SNAME("KeyValue"), SNAME("EditorIcons")); for (const KeyValue<int, Color> &E : subtrack_colors) { _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, E.value); } } } //draw edited curve const Color highlight = get_theme_color(SNAME("highlight_color"), SNAME("Editor")); _draw_track(track, highlight); } //draw editor handles { edit_points.clear(); float scale = timeline->get_zoom_scale(); for (int i = 0; i < animation->track_get_key_count(track); i++) { float offset = animation->track_get_key_time(track, i); float value = animation->bezier_track_get_key_value(track, i); if (moving_selection && selection.has(i)) { 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(track, i); if (moving_handle != 0 && moving_handle_key == i) { 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(track, i); if (moving_handle != 0 && moving_handle_key == i) { 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)); _draw_line_clipped(pos, pos_in, accent, limit, right_limit); _draw_line_clipped(pos, pos_out, accent, limit, right_limit); EditPoint ep; if (pos.x >= limit && pos.x <= right_limit) { ep.point_rect.position = (pos - bezier_icon->get_size() / 2).floor(); ep.point_rect.size = bezier_icon->get_size(); if (selection.has(i)) { 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, 0.001))), 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 { draw_texture(bezier_icon, ep.point_rect.position); } ep.point_rect = ep.point_rect.grow(ep.point_rect.size.width * 0.5); } if (pos_in.x >= limit && pos_in.x <= right_limit) { ep.in_rect.position = (pos_in - bezier_handle_icon->get_size() / 2).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).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); } edit_points.push_back(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"), SNAME("Editor"))); draw_rect( Rect2(bs_from, bs_to - bs_from), get_theme_color(SNAME("box_selection_stroke_color"), SNAME("Editor")), false, Math::round(EDSCALE)); } } } Ref<Animation> AnimationBezierTrackEdit::get_animation() const { return animation; } void AnimationBezierTrackEdit::set_animation_and_track(const Ref<Animation> &p_animation, int p_track) { animation = p_animation; track = p_track; if (is_connected("select_key", Callable(editor, "_key_selected"))) { disconnect("select_key", Callable(editor, "_key_selected")); } if (is_connected("deselect_key", Callable(editor, "_key_deselected"))) { disconnect("deselect_key", Callable(editor, "_key_deselected")); } connect("select_key", Callable(editor, "_key_selected"), varray(p_track), CONNECT_DEFERRED); connect("deselect_key", Callable(editor, "_key_deselected"), varray(p_track), CONNECT_DEFERRED); update(); } Size2 AnimationBezierTrackEdit::get_minimum_size() const { return Vector2(1, 1); } void AnimationBezierTrackEdit::set_undo_redo(UndoRedo *p_undo_redo) { undo_redo = p_undo_redo; } void AnimationBezierTrackEdit::set_timeline(AnimationTimelineEdit *p_timeline) { timeline = p_timeline; timeline->connect("zoom_changed", callable_mp(this, &AnimationBezierTrackEdit::_zoom_changed)); } void AnimationBezierTrackEdit::set_editor(AnimationTrackEditor *p_editor) { editor = p_editor; connect("clear_selection", Callable(editor, "_clear_selection"), varray(false)); } 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 px = (-timeline->get_value() + play_position_pos) * scale + timeline->get_name_limit(); if (px >= timeline->get_name_limit() && px < (get_size().width - timeline->get_buttons_width())) { Color color = get_theme_color(SNAME("accent_color"), SNAME("Editor")); play_position->draw_line(Point2(px, 0), Point2(px, h), color, Math::round(2 * EDSCALE)); } } void AnimationBezierTrackEdit::set_play_position(float p_pos) { play_position_pos = p_pos; play_position->update(); } void AnimationBezierTrackEdit::update_play_position() { play_position->update(); } void AnimationBezierTrackEdit::set_root(Node *p_root) { root = p_root; } void AnimationBezierTrackEdit::_zoom_changed() { update(); play_position->update(); } 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")); update(); } void AnimationBezierTrackEdit::_change_selected_keys_handle_mode(Animation::HandleMode p_mode) { undo_redo->create_action(TTR("Update Selected Key Handles")); double ratio = timeline->get_zoom_scale() * v_zoom; for (Set<int>::Element *E = selection.back(); E; E = E->prev()) { const int key_index = E->get(); undo_redo->add_undo_method(animation.ptr(), "bezier_track_set_key_handle_mode", track, key_index, animation->bezier_track_get_key_handle_mode(track, key_index), ratio); undo_redo->add_do_method(animation.ptr(), "bezier_track_set_key_handle_mode", track, key_index, p_mode, ratio); } 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, float p_pos) { if (!(animation == p_anim)) { return; } int idx = animation->track_find_key(p_track, p_pos, true); ERR_FAIL_COND(idx < 0); selection.insert(idx); emit_signal(SNAME("select_key"), idx, true); update(); } void AnimationBezierTrackEdit::gui_input(const Ref<InputEvent> &p_event) { ERR_FAIL_COND(p_event.is_null()); if (p_event->is_pressed()) { if (ED_GET_SHORTCUT("animation_editor/duplicate_selection")->matches_event(p_event)) { duplicate_selection(); accept_event(); } if (ED_GET_SHORTCUT("animation_editor/delete_selection")->matches_event(p_event)) { delete_selection(); accept_event(); } } Ref<InputEventMouseButton> mb = p_event; if (mb.is_valid() && mb->is_pressed() && mb->get_button_index() == MouseButton::WHEEL_DOWN) { const float v_zoom_orig = v_zoom; if (mb->is_command_pressed()) { timeline->get_zoom()->set_value(timeline->get_zoom()->get_value() / 1.05); } else { if (v_zoom < 100000) { v_zoom *= 1.2; } } v_scroll = v_scroll + (mb->get_position().y - get_size().y / 2) * (v_zoom - v_zoom_orig); update(); } if (mb.is_valid() && mb->is_pressed() && mb->get_button_index() == MouseButton::WHEEL_UP) { const float v_zoom_orig = v_zoom; if (mb->is_command_pressed()) { timeline->get_zoom()->set_value(timeline->get_zoom()->get_value() * 1.05); } else { if (v_zoom > 0.000001) { v_zoom /= 1.2; } } v_scroll = v_scroll + (mb->get_position().y - get_size().y / 2) * (v_zoom - v_zoom_orig); update(); } if (mb.is_valid() && mb->get_button_index() == MouseButton::MIDDLE) { if (mb->is_pressed()) { int x = mb->get_position().x - timeline->get_name_limit(); panning_timeline_from = x / timeline->get_zoom_scale(); panning_timeline = true; panning_timeline_at = timeline->get_value(); } else { panning_timeline = false; } } if (mb.is_valid() && mb->get_button_index() == MouseButton::RIGHT && mb->is_pressed()) { menu_insert_key = mb->get_position(); if (menu_insert_key.x >= timeline->get_name_limit() && menu_insert_key.x <= get_size().width - timeline->get_buttons_width()) { Vector2 popup_pos = get_screen_position() + mb->get_position(); menu->clear(); menu->add_icon_item(bezier_icon, TTR("Insert Key Here"), MENU_KEY_INSERT); if (selection.size()) { menu->add_separator(); menu->add_icon_item(get_theme_icon(SNAME("Duplicate"), SNAME("EditorIcons")), TTR("Duplicate Selected Key(s)"), MENU_KEY_DUPLICATE); menu->add_separator(); menu->add_icon_item(get_theme_icon(SNAME("Remove"), SNAME("EditorIcons")), TTR("Delete Selected Key(s)"), MENU_KEY_DELETE); menu->add_separator(); menu->add_icon_item(get_theme_icon(SNAME("BezierHandlesFree"), SNAME("EditorIcons")), TTR("Make Handles Free"), MENU_KEY_SET_HANDLE_FREE); menu->add_icon_item(get_theme_icon(SNAME("BezierHandlesBalanced"), SNAME("EditorIcons")), TTR("Make Handles Balanced"), MENU_KEY_SET_HANDLE_BALANCED); } menu->set_as_minsize(); 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())) { set_animation_and_track(animation, E.key); _clear_selection(); return; } } for (int i = 0; i < edit_points.size(); i++) { //first check point //command makes it ignore the main point, so control point editors can be force-edited //path 2D editing in the 3D and 2D editors works the same way if (!mb->is_command_pressed()) { if (edit_points[i].point_rect.has_point(mb->get_position())) { if (mb->is_shift_pressed()) { //add to selection if (selection.has(i)) { selection.erase(i); } else { selection.insert(i); } update(); select_single_attempt = -1; } else if (selection.has(i)) { moving_selection_attempt = true; moving_selection = false; moving_selection_from_key = i; moving_selection_offset = Vector2(); select_single_attempt = i; update(); } else { moving_selection_attempt = true; moving_selection = true; moving_selection_from_key = i; moving_selection_offset = Vector2(); selection.clear(); selection.insert(i); update(); } return; } } if (edit_points[i].in_rect.has_point(mb->get_position())) { moving_handle = -1; moving_handle_key = i; moving_handle_left = animation->bezier_track_get_key_in_handle(track, i); moving_handle_right = animation->bezier_track_get_key_out_handle(track, i); update(); return; } if (edit_points[i].out_rect.has_point(mb->get_position())) { moving_handle = 1; moving_handle_key = i; moving_handle_left = animation->bezier_track_get_key_in_handle(track, i); moving_handle_right = animation->bezier_track_get_key_out_handle(track, i); update(); return; ; } } //insert new point if (mb->is_command_pressed() && mb->get_position().x >= timeline->get_name_limit() && mb->get_position().x < get_size().width - timeline->get_buttons_width()) { Array new_point; new_point.resize(6); float h = (get_size().height / 2 - mb->get_position().y) * v_zoom + v_scroll; new_point[0] = h; new_point[1] = -0.25; new_point[2] = 0; new_point[3] = 0.25; new_point[4] = 0; new_point[5] = 0; float time = ((mb->get_position().x - timeline->get_name_limit()) / timeline->get_zoom_scale()) + timeline->get_value(); while (animation->track_find_key(track, time, true) != -1) { time += 0.001; } undo_redo->create_action(TTR("Add Bezier Point")); undo_redo->add_do_method(animation.ptr(), "track_insert_key", track, time, new_point); undo_redo->add_undo_method(animation.ptr(), "track_remove_key_at_time", track, time); undo_redo->commit_action(); //then attempt to move int index = animation->track_find_key(track, time, true); ERR_FAIL_COND(index == -1); _clear_selection(); selection.insert(index); moving_selection_attempt = true; moving_selection = false; moving_selection_from_key = index; moving_selection_offset = Vector2(); select_single_attempt = -1; update(); return; } //box select if (mb->get_position().x >= timeline->get_name_limit() && mb->get_position().x < get_size().width - timeline->get_buttons_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); for (int i = 0; i < edit_points.size(); i++) { if (edit_points[i].point_rect.intersects(selection_rect)) { selection.insert(i); } } } else { _clear_selection(); //clicked and nothing happened, so clear the selection } box_selecting_attempt = false; box_selecting = false; update(); } if (moving_handle != 0 && mb.is_valid() && !mb->is_pressed() && mb->get_button_index() == MouseButton::LEFT) { undo_redo->create_action(TTR("Move Bezier Points")); undo_redo->add_do_method(animation.ptr(), "bezier_track_set_key_in_handle", track, moving_handle_key, moving_handle_left); undo_redo->add_do_method(animation.ptr(), "bezier_track_set_key_out_handle", track, moving_handle_key, moving_handle_right); undo_redo->add_undo_method(animation.ptr(), "bezier_track_set_key_in_handle", track, moving_handle_key, animation->bezier_track_get_key_in_handle(track, moving_handle_key)); undo_redo->add_undo_method(animation.ptr(), "bezier_track_set_key_out_handle", track, moving_handle_key, animation->bezier_track_get_key_out_handle(track, moving_handle_key)); undo_redo->commit_action(); moving_handle = 0; update(); } if (moving_selection_attempt && mb.is_valid() && !mb->is_pressed() && mb->get_button_index() == MouseButton::LEFT) { if (moving_selection) { //combit it undo_redo->create_action(TTR("Move Bezier Points")); List<AnimMoveRestore> to_restore; // 1-remove the keys for (Set<int>::Element *E = selection.back(); E; E = E->prev()) { undo_redo->add_do_method(animation.ptr(), "track_remove_key", track, E->get()); } // 2- remove overlapped keys for (Set<int>::Element *E = selection.back(); E; E = E->prev()) { float newtime = editor->snap_time(animation->track_get_key_time(track, E->get()) + moving_selection_offset.x); int idx = animation->track_find_key(track, newtime, true); if (idx == -1) { continue; } if (selection.has(idx)) { continue; //already in selection, don't save } undo_redo->add_do_method(animation.ptr(), "track_remove_key_at_time", track, newtime); AnimMoveRestore amr; amr.key = animation->track_get_key_value(track, idx); amr.track = track; amr.time = newtime; to_restore.push_back(amr); } // 3-move the keys (re insert them) for (Set<int>::Element *E = selection.back(); E; E = E->prev()) { float newpos = editor->snap_time(animation->track_get_key_time(track, E->get()) + moving_selection_offset.x); /* if (newpos<0) continue; //no add at the beginning */ Array key = animation->track_get_key_value(track, E->get()); float h = key[0]; h += moving_selection_offset.y; key[0] = h; undo_redo->add_do_method(animation.ptr(), "track_insert_key", track, newpos, key, 1); } // 4-(undo) remove inserted keys for (Set<int>::Element *E = selection.back(); E; E = E->prev()) { float newpos = editor->snap_time(animation->track_get_key_time(track, E->get()) + moving_selection_offset.x); /* if (newpos<0) continue; //no remove what no inserted */ undo_redo->add_undo_method(animation.ptr(), "track_remove_key_at_time", track, newpos); } // 5-(undo) reinsert keys for (Set<int>::Element *E = selection.back(); E; E = E->prev()) { float oldpos = animation->track_get_key_time(track, E->get()); undo_redo->add_undo_method(animation.ptr(), "track_insert_key", track, oldpos, animation->track_get_key_value(track, E->get()), 1); } // 6-(undo) reinsert overlapped keys for (const AnimMoveRestore &amr : to_restore) { undo_redo->add_undo_method(animation.ptr(), "track_insert_key", amr.track, amr.time, amr.key, 1); } 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 (Set<int>::Element *E = selection.back(); E; E = E->prev()) { float oldpos = animation->track_get_key_time(track, E->get()); float newpos = editor->snap_time(oldpos + moving_selection_offset.x); undo_redo->add_do_method(this, "_select_at_anim", animation, track, newpos); undo_redo->add_undo_method(this, "_select_at_anim", animation, track, oldpos); } undo_redo->commit_action(); moving_selection = false; } else if (select_single_attempt != -1) { selection.clear(); selection.insert(select_single_attempt); } moving_selection_attempt = false; update(); } Ref<InputEventMouseMotion> mm = p_event; if (mm.is_valid() && (mm->get_button_mask() & MouseButton::MASK_MIDDLE) != MouseButton::NONE) { v_scroll += mm->get_relative().y * v_zoom; if (v_scroll > 100000) { v_scroll = 100000; } if (v_scroll < -100000) { v_scroll = -100000; } int x = mm->get_position().x - timeline->get_name_limit(); float ofs = x / timeline->get_zoom_scale(); float diff = ofs - panning_timeline_from; timeline->set_value(panning_timeline_at - diff); update(); } if (moving_selection_attempt && mm.is_valid()) { if (!moving_selection) { moving_selection = true; select_single_attempt = -1; } float y = (get_size().height / 2 - mm->get_position().y) * v_zoom + v_scroll; float x = editor->snap_time(((mm->get_position().x - timeline->get_name_limit()) / timeline->get_zoom_scale()) + timeline->get_value()); moving_selection_offset = Vector2(x - animation->track_get_key_time(track, moving_selection_from_key), y - animation->bezier_track_get_key_value(track, moving_selection_from_key)); update(); } 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)); } update(); } if (moving_handle != 0 && mm.is_valid()) { float y = (get_size().height / 2 - mm->get_position().y) * v_zoom + 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(track, moving_handle_key), animation->bezier_track_get_key_value(track, moving_handle_key)); Vector2 moving_handle_value = Vector2(x, y) - key_pos; moving_handle_left = animation->bezier_track_get_key_in_handle(track, moving_handle_key); moving_handle_right = animation->bezier_track_get_key_out_handle(track, moving_handle_key); if (moving_handle == -1) { moving_handle_left = moving_handle_value; if (animation->bezier_track_get_key_handle_mode(track, moving_handle_key) == Animation::HANDLE_MODE_BALANCED) { double ratio = timeline->get_zoom_scale() * 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 (moving_handle == 1) { moving_handle_right = moving_handle_value; if (animation->bezier_track_get_key_handle_mode(track, moving_handle_key) == Animation::HANDLE_MODE_BALANCED) { double ratio = timeline->get_zoom_scale() * 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()); } } update(); } bool is_finishing_key_handle_drag = moving_handle != 0 && mb.is_valid() && !mb->is_pressed() && mb->get_button_index() == MouseButton::LEFT; if (is_finishing_key_handle_drag) { undo_redo->create_action(TTR("Move Bezier Points")); if (moving_handle == -1) { double ratio = timeline->get_zoom_scale() * v_zoom; undo_redo->add_do_method(animation.ptr(), "bezier_track_set_key_in_handle", track, moving_handle_key, moving_handle_left, ratio); undo_redo->add_undo_method(animation.ptr(), "bezier_track_set_key_in_handle", track, moving_handle_key, animation->bezier_track_get_key_in_handle(track, moving_handle_key), ratio); } else if (moving_handle == 1) { double ratio = timeline->get_zoom_scale() * v_zoom; undo_redo->add_do_method(animation.ptr(), "bezier_track_set_key_out_handle", track, moving_handle_key, moving_handle_right, ratio); undo_redo->add_undo_method(animation.ptr(), "bezier_track_set_key_out_handle", track, moving_handle_key, animation->bezier_track_get_key_out_handle(track, moving_handle_key), ratio); } undo_redo->commit_action(); moving_handle = 0; update(); } } void AnimationBezierTrackEdit::_menu_selected(int p_index) { switch (p_index) { case MENU_KEY_INSERT: { Array new_point; new_point.resize(6); float h = (get_size().height / 2 - menu_insert_key.y) * v_zoom + v_scroll; new_point[0] = h; new_point[1] = -0.25; new_point[2] = 0; new_point[3] = 0.25; new_point[4] = 0; new_point[5] = Animation::HANDLE_MODE_BALANCED; float time = ((menu_insert_key.x - timeline->get_name_limit()) / timeline->get_zoom_scale()) + timeline->get_value(); while (animation->track_find_key(track, time, true) != -1) { time += 0.001; } undo_redo->create_action(TTR("Add Bezier Point")); undo_redo->add_do_method(animation.ptr(), "track_insert_key", track, time, new_point); undo_redo->add_undo_method(animation.ptr(), "track_remove_key_at_time", track, time); undo_redo->commit_action(); } break; case MENU_KEY_DUPLICATE: { duplicate_selection(); } break; case MENU_KEY_DELETE: { delete_selection(); } break; case MENU_KEY_SET_HANDLE_FREE: { _change_selected_keys_handle_mode(Animation::HANDLE_MODE_FREE); } break; case MENU_KEY_SET_HANDLE_BALANCED: { _change_selected_keys_handle_mode(Animation::HANDLE_MODE_BALANCED); } break; } } void AnimationBezierTrackEdit::duplicate_selection() { if (selection.size() == 0) { return; } float top_time = 1e10; for (Set<int>::Element *E = selection.back(); E; E = E->prev()) { float t = animation->track_get_key_time(track, E->get()); if (t < top_time) { top_time = t; } } undo_redo->create_action(TTR("Anim Duplicate Keys")); List<Pair<int, float>> new_selection_values; for (Set<int>::Element *E = selection.back(); E; E = E->prev()) { float t = animation->track_get_key_time(track, E->get()); float dst_time = t + (timeline->get_play_position() - top_time); int existing_idx = animation->track_find_key(track, dst_time, true); undo_redo->add_do_method(animation.ptr(), "track_insert_key", track, dst_time, animation->track_get_key_value(track, E->get()), animation->track_get_key_transition(track, E->get())); undo_redo->add_undo_method(animation.ptr(), "track_remove_key_at_time", track, dst_time); Pair<int, float> p; p.first = 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", track, dst_time, animation->track_get_key_value(track, existing_idx), animation->track_get_key_transition(track, existing_idx)); } } undo_redo->commit_action(); //reselect duplicated selection.clear(); for (const Pair<int, float> &E : new_selection_values) { int track = E.first; float time = E.second; int existing_idx = animation->track_find_key(track, time, true); if (existing_idx == -1) { continue; } selection.insert(existing_idx); } update(); } void AnimationBezierTrackEdit::delete_selection() { if (selection.size()) { undo_redo->create_action(TTR("Anim Delete Keys")); for (Set<int>::Element *E = selection.back(); E; E = E->prev()) { undo_redo->add_do_method(animation.ptr(), "track_remove_key", track, E->get()); undo_redo->add_undo_method(animation.ptr(), "track_insert_key", track, animation->track_get_key_time(track, E->get()), animation->track_get_key_value(track, E->get()), 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::_bind_methods() { ClassDB::bind_method("_clear_selection", &AnimationBezierTrackEdit::_clear_selection); ClassDB::bind_method("_clear_selection_for_anim", &AnimationBezierTrackEdit::_clear_selection_for_anim); ClassDB::bind_method("_select_at_anim", &AnimationBezierTrackEdit::_select_at_anim); ADD_SIGNAL(MethodInfo("timeline_changed", PropertyInfo(Variant::FLOAT, "position"), PropertyInfo(Variant::BOOL, "drag"))); ADD_SIGNAL(MethodInfo("remove_request", PropertyInfo(Variant::INT, "track"))); ADD_SIGNAL(MethodInfo("insert_key", PropertyInfo(Variant::FLOAT, "ofs"))); ADD_SIGNAL(MethodInfo("select_key", PropertyInfo(Variant::INT, "index"), PropertyInfo(Variant::BOOL, "single"))); ADD_SIGNAL(MethodInfo("deselect_key", PropertyInfo(Variant::INT, "index"))); ADD_SIGNAL(MethodInfo("clear_selection")); ADD_SIGNAL(MethodInfo("close_request")); ADD_SIGNAL(MethodInfo("move_selection_begin")); ADD_SIGNAL(MethodInfo("move_selection", PropertyInfo(Variant::FLOAT, "ofs"))); ADD_SIGNAL(MethodInfo("move_selection_commit")); ADD_SIGNAL(MethodInfo("move_selection_cancel")); } AnimationBezierTrackEdit::AnimationBezierTrackEdit() { play_position = memnew(Control); play_position->set_mouse_filter(MOUSE_FILTER_PASS); add_child(play_position); play_position->set_anchors_and_offsets_preset(PRESET_WIDE); play_position->connect("draw", callable_mp(this, &AnimationBezierTrackEdit::_play_position_draw)); set_focus_mode(FOCUS_CLICK); set_clip_contents(true); close_button = memnew(Button); close_button->connect("pressed", Callable(this, SNAME("emit_signal")), varray(SNAME("close_request"))); close_button->set_text(TTR("Close")); right_column = memnew(VBoxContainer); right_column->add_child(close_button); right_column->add_spacer(); add_child(right_column); menu = memnew(PopupMenu); add_child(menu); menu->connect("id_pressed", callable_mp(this, &AnimationBezierTrackEdit::_menu_selected)); }