pandemonium_engine/editor/plugins/editor_preview_plugins.h

#ifndef EDITORPREVIEWPLUGINS_H
#define EDITORPREVIEWPLUGINS_H

/*************************************************************************/
/*  editor_preview_plugins.h                                             */
/*************************************************************************/
/*                         This file is part of:                         */
/*                          PANDEMONIUM ENGINE                           */
/*             https://github.com/Relintai/pandemonium_engine            */
/*************************************************************************/
/* Copyright (c) 2022-present Péter Magyar.                              */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
/* Copyright (c) 2007-2022 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 "editor/editor_resource_preview.h"

#include "core/containers/rid.h"
#include "core/math/vector2.h"
#include "core/object/object.h"
#include "core/object/reference.h"
#include "core/object/resource.h"
#include "core/os/safe_refcount.h"
#include "core/string/ustring.h"
#include "core/variant/variant.h"

class Image;
class Texture;

void post_process_preview(Ref<Image> p_image);

class EditorTexturePreviewPlugin : public EditorResourcePreviewGenerator {
	GDCLASS(EditorTexturePreviewPlugin, EditorResourcePreviewGenerator);

public:
	virtual bool handles(const String &p_type) const;
	virtual bool generate_small_preview_automatically() const;
	virtual Ref<Texture> generate(const RES &p_from, const Size2 &p_size) const;

	EditorTexturePreviewPlugin();
};

class EditorImagePreviewPlugin : public EditorResourcePreviewGenerator {
	GDCLASS(EditorImagePreviewPlugin, EditorResourcePreviewGenerator);

public:
	virtual bool handles(const String &p_type) const;
	virtual bool generate_small_preview_automatically() const;
	virtual Ref<Texture> generate(const RES &p_from, const Size2 &p_size) const;

	EditorImagePreviewPlugin();
};

class EditorBitmapPreviewPlugin : public EditorResourcePreviewGenerator {
	GDCLASS(EditorBitmapPreviewPlugin, EditorResourcePreviewGenerator);

public:
	virtual bool handles(const String &p_type) const;
	virtual bool generate_small_preview_automatically() const;
	virtual Ref<Texture> generate(const RES &p_from, const Size2 &p_size) const;

	EditorBitmapPreviewPlugin();
};

class EditorPackedScenePreviewPlugin : public EditorResourcePreviewGenerator {
public:
	virtual bool handles(const String &p_type) const;
	virtual Ref<Texture> generate(const RES &p_from, const Size2 &p_size) const;
	virtual Ref<Texture> generate_from_path(const String &p_path, const Size2 &p_size) const;

	EditorPackedScenePreviewPlugin();
};

class EditorMaterialPreviewPlugin : public EditorResourcePreviewGenerator {
	GDCLASS(EditorMaterialPreviewPlugin, EditorResourcePreviewGenerator);

	RID scenario;
	RID sphere;
	RID sphere_instance;
	RID viewport;
	RID viewport_texture;
	RID light;
	RID light_instance;
	RID light2;
	RID light_instance2;
	RID camera;
	mutable SafeFlag preview_done;

	void _preview_done(const Variant &p_udata);

protected:
	static void _bind_methods();

public:
	virtual bool handles(const String &p_type) const;
	virtual bool generate_small_preview_automatically() const;
	virtual Ref<Texture> generate(const RES &p_from, const Size2 &p_size) const;

	EditorMaterialPreviewPlugin();
	~EditorMaterialPreviewPlugin();
};

class EditorScriptPreviewPlugin : public EditorResourcePreviewGenerator {
public:
	virtual bool handles(const String &p_type) const;
	virtual Ref<Texture> generate(const RES &p_from, const Size2 &p_size) const;

	EditorScriptPreviewPlugin();
};

class EditorAudioStreamPreviewPlugin : public EditorResourcePreviewGenerator {
public:
	virtual bool handles(const String &p_type) const;
	virtual Ref<Texture> generate(const RES &p_from, const Size2 &p_size) const;

	EditorAudioStreamPreviewPlugin();
};

class EditorMeshPreviewPlugin : public EditorResourcePreviewGenerator {
	GDCLASS(EditorMeshPreviewPlugin, EditorResourcePreviewGenerator);

	RID scenario;
	RID mesh_instance;
	RID viewport;
	RID viewport_texture;
	RID light;
	RID light_instance;
	RID light2;
	RID light_instance2;
	RID camera;
	mutable SafeFlag preview_done;

	void _preview_done(const Variant &p_udata);

protected:
	static void _bind_methods();

public:
	virtual bool handles(const String &p_type) const;
	virtual Ref<Texture> generate(const RES &p_from, const Size2 &p_size) const;

	EditorMeshPreviewPlugin();
	~EditorMeshPreviewPlugin();
};

class EditorFontPreviewPlugin : public EditorResourcePreviewGenerator {
	GDCLASS(EditorFontPreviewPlugin, EditorResourcePreviewGenerator);

	RID viewport;
	RID viewport_texture;
	RID canvas;
	RID canvas_item;
	mutable SafeFlag preview_done;

	void _preview_done(const Variant &p_udata);

protected:
	static void _bind_methods();

public:
	virtual bool handles(const String &p_type) const;
	virtual Ref<Texture> generate(const RES &p_from, const Size2 &p_size) const;
	virtual Ref<Texture> generate_from_path(const String &p_path, const Size2 &p_size) const;

	EditorFontPreviewPlugin();
	~EditorFontPreviewPlugin();
};
#endif // EDITORPREVIEWPLUGINS_H
class EditorGradientPreviewPlugin : public EditorResourcePreviewGenerator {
	GDCLASS(EditorGradientPreviewPlugin, EditorResourcePreviewGenerator);

public:
	virtual bool handles(const String &p_type) const;
	virtual bool generate_small_preview_automatically() const;
	virtual Ref<Texture> generate(const Ref<Resource> &p_from, const Size2 &p_size) const;

	EditorGradientPreviewPlugin();
};