149 lines
4.8 KiB
C++
149 lines
4.8 KiB
C++
/**************************************************************************/
|
|
/* curve_editor_plugin.h */
|
|
/**************************************************************************/
|
|
/* 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. */
|
|
/**************************************************************************/
|
|
|
|
#ifndef CURVE_EDITOR_PLUGIN_H
|
|
#define CURVE_EDITOR_PLUGIN_H
|
|
|
|
#include "editor/editor_node.h"
|
|
#include "editor/editor_plugin.h"
|
|
#include "editor/editor_resource_preview.h"
|
|
#include "scene/resources/curve.h"
|
|
|
|
// Edits a y(x) curve
|
|
class CurveEditor : public Control {
|
|
GDCLASS(CurveEditor, Control);
|
|
|
|
public:
|
|
CurveEditor();
|
|
|
|
Size2 get_minimum_size() const;
|
|
|
|
void set_curve(Ref<Curve> curve);
|
|
|
|
enum PresetID {
|
|
PRESET_FLAT0 = 0,
|
|
PRESET_FLAT1,
|
|
PRESET_LINEAR,
|
|
PRESET_EASE_IN,
|
|
PRESET_EASE_OUT,
|
|
PRESET_SMOOTHSTEP,
|
|
PRESET_COUNT
|
|
};
|
|
|
|
enum ContextAction {
|
|
CONTEXT_ADD_POINT = 0,
|
|
CONTEXT_REMOVE_POINT,
|
|
CONTEXT_LINEAR,
|
|
CONTEXT_LEFT_LINEAR,
|
|
CONTEXT_RIGHT_LINEAR
|
|
};
|
|
|
|
enum TangentIndex {
|
|
TANGENT_NONE = -1,
|
|
TANGENT_LEFT = 0,
|
|
TANGENT_RIGHT = 1
|
|
};
|
|
|
|
protected:
|
|
void _notification(int p_what);
|
|
|
|
static void _bind_methods();
|
|
|
|
private:
|
|
void on_gui_input(const Ref<InputEvent> &p_event);
|
|
void on_preset_item_selected(int preset_id);
|
|
void _curve_changed();
|
|
void on_context_menu_item_selected(int action_id);
|
|
|
|
void open_context_menu(Vector2 pos);
|
|
int get_point_at(Vector2 pos) const;
|
|
TangentIndex get_tangent_at(Vector2 pos) const;
|
|
void add_point(Vector2 pos);
|
|
void remove_point(int index);
|
|
void toggle_linear(TangentIndex tangent = TANGENT_NONE);
|
|
void set_selected_point(int index);
|
|
void set_hover_point_index(int index);
|
|
void update_view_transform();
|
|
|
|
Vector2 get_tangent_view_pos(int i, TangentIndex tangent) const;
|
|
Vector2 get_view_pos(Vector2 world_pos) const;
|
|
Vector2 get_world_pos(Vector2 view_pos) const;
|
|
|
|
void _draw();
|
|
|
|
private:
|
|
Transform2D _world_to_view;
|
|
|
|
Ref<Curve> _curve_ref;
|
|
PopupMenu *_context_menu;
|
|
PopupMenu *_presets_menu;
|
|
|
|
Array _undo_data;
|
|
bool _has_undo_data;
|
|
|
|
Vector2 _context_click_pos;
|
|
int _selected_point;
|
|
int _hover_point;
|
|
TangentIndex _selected_tangent;
|
|
bool _dragging;
|
|
|
|
// Constant
|
|
float _hover_radius;
|
|
float _tangents_length;
|
|
float _gizmo_handle_scale = 1.0;
|
|
};
|
|
|
|
class EditorInspectorPluginCurve : public EditorInspectorPlugin {
|
|
GDCLASS(EditorInspectorPluginCurve, EditorInspectorPlugin);
|
|
|
|
public:
|
|
virtual bool can_handle(Object *p_object);
|
|
virtual void parse_begin(Object *p_object);
|
|
};
|
|
|
|
class CurveEditorPlugin : public EditorPlugin {
|
|
GDCLASS(CurveEditorPlugin, EditorPlugin);
|
|
|
|
public:
|
|
CurveEditorPlugin(EditorNode *p_node);
|
|
|
|
virtual String get_name() const { return "Curve"; }
|
|
};
|
|
|
|
class CurvePreviewGenerator : public EditorResourcePreviewGenerator {
|
|
GDCLASS(CurvePreviewGenerator, EditorResourcePreviewGenerator);
|
|
|
|
public:
|
|
virtual bool handles(const String &p_type) const;
|
|
virtual Ref<Texture> generate(const Ref<Resource> &p_from, const Size2 &p_size) const;
|
|
};
|
|
|
|
#endif // CURVE_EDITOR_PLUGIN_H
|