pandemonium_engine/modules/entity_spell_system/data/items/item_instance.h

#ifndef ITEM_INSTANCE_H
#define ITEM_INSTANCE_H
/*
Copyright (c) 2019-2022 Péter Magyar

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 "core/resource.h"
#include "core/containers/vector.h"

#include "../../item_enums.h"

class ItemTemplate;

class ItemInstance : public Resource {
	GDCLASS(ItemInstance, Resource);

public:
	Ref<ItemTemplate> get_item_template();
	void set_item_template(const Ref<ItemTemplate> &value);

	//Modifiers
	int stat_modifier_get_stat_id(const int index) const;
	void stat_modifier_set_stat_id(const int index, const int value);

	float stat_modifier_get_base_mod(const int index) const;
	void stat_modifier_set_base_mod(const int index, const float value);

	float stat_modifier_get_bonus_mod(const int index) const;
	void stat_modifier_set_bonus_mod(const int index, const float value);

	float stat_modifier_get_percent_mod(const int index) const;
	void stat_modifier_set_percent_mod(const int index, const float value);

	void add_item_stat_modifier(const int stat_id, const int base_mod, const int bonus_mod, const int percent_mod);
	void remove_item_stat_modifier(const int index);
	void clear_item_stat_modifiers();

	int stat_modifier_get_count() const;

	Vector<Variant> stat_modifiers_get();
	void stat_modifiers_set(const Vector<Variant> &mods);

	int get_stack_size() const;
	void set_stack_size(const int value);

	int get_charges() const;
	void set_charges(const int value);

	String get_description();

	Dictionary to_dict();
	void from_dict(const Dictionary &dict);

	virtual Dictionary _to_dict();
	virtual void _from_dict(const Dictionary &dict);

	ItemInstance();
	~ItemInstance();

protected:
	static void _bind_methods();

protected:
	struct ItemStatModifier {
		int stat_id;
		float base_mod;
		float bonus_mod;
		float percent_mod;

		ItemStatModifier() {
			stat_id = 0;
			base_mod = 0;
			bonus_mod = 0;
			percent_mod = 0;
		}
	};

private:
	Ref<ItemTemplate> _item_template;
	StringName _item_template_path;

	int _stack_size;
	int _charges;

	Vector<ItemStatModifier> _modifiers;
};

#endif