godot/editor/animation_bezier_editor.h
Rémi Verschelde f8ab79e68a Zero initialize all pointer class and struct members
This prevents the pitfall of UB when checking if they have been
assigned something valid by comparing to nullptr.
2022-04-04 19:49:50 +02:00

197 lines
6.0 KiB
C++

/*************************************************************************/
/* animation_bezier_editor.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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. */
/*************************************************************************/
#ifndef ANIMATION_BEZIER_EDITOR_H
#define ANIMATION_BEZIER_EDITOR_H
#include "animation_track_editor.h"
class ViewPanner;
class AnimationBezierTrackEdit : public Control {
GDCLASS(AnimationBezierTrackEdit, Control);
enum {
MENU_KEY_INSERT,
MENU_KEY_DUPLICATE,
MENU_KEY_DELETE,
MENU_KEY_SET_HANDLE_FREE,
MENU_KEY_SET_HANDLE_BALANCED,
};
AnimationTimelineEdit *timeline = nullptr;
UndoRedo *undo_redo = nullptr;
Node *root = nullptr;
Control *play_position = nullptr; //separate control used to draw so updates for only position changed are much faster
float play_position_pos = 0;
Ref<Animation> animation;
int selected_track;
Vector<Rect2> view_rects;
Ref<Texture2D> bezier_icon;
Ref<Texture2D> bezier_handle_icon;
Ref<Texture2D> selected_icon;
Map<int, Rect2> subtracks;
enum {
REMOVE_ICON,
LOCK_ICON,
SOLO_ICON,
VISIBILITY_ICON
};
Map<int, Map<int, Rect2>> subtrack_icons;
Set<int> locked_tracks;
Set<int> hidden_tracks;
int solo_track = -1;
bool is_filtered = false;
float v_scroll = 0;
float v_zoom = 1;
PopupMenu *menu = nullptr;
void _zoom_changed();
void _update_locked_tracks_after(int p_track);
void _update_hidden_tracks_after(int p_track);
virtual void gui_input(const Ref<InputEvent> &p_event) override;
void _menu_selected(int p_index);
void _play_position_draw();
Vector2 insert_at_pos;
typedef Pair<int, int> IntPair;
bool moving_selection_attempt = false;
IntPair select_single_attempt;
bool moving_selection = false;
int moving_selection_from_key;
int moving_selection_from_track;
Vector2 moving_selection_offset;
bool box_selecting_attempt = false;
bool box_selecting = false;
bool box_selecting_add = false;
Vector2 box_selection_from;
Vector2 box_selection_to;
int moving_handle = 0; //0 no move -1 or +1 out
int moving_handle_key = 0;
int moving_handle_track = 0;
Vector2 moving_handle_left;
Vector2 moving_handle_right;
int moving_handle_mode; // value from Animation::HandleMode
void _clear_selection();
void _clear_selection_for_anim(const Ref<Animation> &p_anim);
void _select_at_anim(const Ref<Animation> &p_anim, int p_track, float p_pos);
void _change_selected_keys_handle_mode(Animation::HandleMode p_mode);
Vector2 menu_insert_key;
struct AnimMoveRestore {
int track = 0;
float time = 0;
Variant key;
float transition = 0;
};
AnimationTrackEditor *editor = nullptr;
struct EditPoint {
Rect2 point_rect;
Rect2 in_rect;
Rect2 out_rect;
int track;
int key;
};
Vector<EditPoint> edit_points;
struct SelectionCompare {
bool operator()(const IntPair &lh, const IntPair &rh) {
if (lh.first == rh.first) {
return lh.second < rh.second;
} else {
return lh.first < rh.first;
}
}
};
typedef Set<IntPair, SelectionCompare> SelectionSet;
SelectionSet selection;
Ref<ViewPanner> panner;
void _scroll_callback(Vector2 p_scroll_vec, bool p_alt);
void _pan_callback(Vector2 p_scroll_vec);
void _zoom_callback(Vector2 p_scroll_vec, Vector2 p_origin, bool p_alt);
void _draw_line_clipped(const Vector2 &p_from, const Vector2 &p_to, const Color &p_color, int p_clip_left, int p_clip_right);
void _draw_track(int p_track, const Color &p_color);
float _bezier_h_to_pixel(float p_h);
protected:
static void _bind_methods();
void _notification(int p_what);
public:
virtual String get_tooltip(const Point2 &p_pos) const override;
Ref<Animation> get_animation() const;
void set_animation_and_track(const Ref<Animation> &p_animation, int p_track);
virtual Size2 get_minimum_size() const override;
void set_undo_redo(UndoRedo *p_undo_redo);
void set_timeline(AnimationTimelineEdit *p_timeline);
void set_editor(AnimationTrackEditor *p_editor);
void set_root(Node *p_root);
void set_filtered(bool p_filtered);
void set_play_position(float p_pos);
void update_play_position();
void duplicate_selection();
void delete_selection();
AnimationBezierTrackEdit();
};
#endif // ANIMATION_BEZIER_EDITOR_H