virtualx-engine/editor/plugins/gpu_particles_3d_editor_plugin.h

/*************************************************************************/
/*  gpu_particles_3d_editor_plugin.h                                     */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2020 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 PARTICLES_EDITOR_PLUGIN_H
#define PARTICLES_EDITOR_PLUGIN_H

#include "editor/editor_node.h"
#include "editor/editor_plugin.h"
#include "scene/3d/gpu_particles_3d.h"
#include "scene/gui/spin_box.h"

class GPUParticles3DEditorBase : public Control {

	GDCLASS(GPUParticles3DEditorBase, Control);

protected:
	Node3D *base_node;
	Panel *panel;
	MenuButton *options;
	HBoxContainer *particles_editor_hb;

	SceneTreeDialog *emission_tree_dialog;

	ConfirmationDialog *emission_dialog;
	SpinBox *emission_amount;
	OptionButton *emission_fill;

	Vector<Face3> geometry;

	bool _generate(Vector<Vector3> &points, Vector<Vector3> &normals);
	virtual void _generate_emission_points() = 0;
	void _node_selected(const NodePath &p_path);

	static void _bind_methods();

public:
	GPUParticles3DEditorBase();
};

class GPUParticles3DEditor : public GPUParticles3DEditorBase {

	GDCLASS(GPUParticles3DEditor, GPUParticles3DEditorBase);

	ConfirmationDialog *generate_aabb;
	SpinBox *generate_seconds;
	GPUParticles3D *node;

	enum Menu {

		MENU_OPTION_GENERATE_AABB,
		MENU_OPTION_CREATE_EMISSION_VOLUME_FROM_NODE,
		MENU_OPTION_CLEAR_EMISSION_VOLUME,
		MENU_OPTION_CONVERT_TO_CPU_PARTICLES,
		MENU_OPTION_RESTART,

	};

	void _generate_aabb();

	void _menu_option(int);

	friend class GPUParticles3DEditorPlugin;

	virtual void _generate_emission_points();

protected:
	void _notification(int p_notification);
	void _node_removed(Node *p_node);
	static void _bind_methods();

public:
	void edit(GPUParticles3D *p_particles);
	GPUParticles3DEditor();
};

class GPUParticles3DEditorPlugin : public EditorPlugin {

	GDCLASS(GPUParticles3DEditorPlugin, EditorPlugin);

	GPUParticles3DEditor *particles_editor;
	EditorNode *editor;

public:
	virtual String get_name() const { return "GPUParticles3D"; }
	bool has_main_screen() const { return false; }
	virtual void edit(Object *p_object);
	virtual bool handles(Object *p_object) const;
	virtual void make_visible(bool p_visible);

	GPUParticles3DEditorPlugin(EditorNode *p_node);
	~GPUParticles3DEditorPlugin();
};

#endif // PARTICLES_EDITOR_PLUGIN_H