pandemonium_engine/modules/entity_spell_system/infos/spell_cast_info.cpp

/*************************************************************************/
/*  spell_cast_info.cpp                                                  */
/*************************************************************************/
/*                         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.                 */
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/*************************************************************************/

#include "spell_cast_info.h"

#include "../data/items/item_instance.h"
#include "../data/items/item_template.h"
#include "../data/spells/spell.h"
#include "../database/ess_resource_db.h"
#include "../entities/entity.h"
#include "../singletons/ess.h"

#include "../defines.h"

////    SpellCastInfo    ////

Entity *SpellCastInfo::caster_get() {
	if (_caster && !ObjectDB::instance_validate(_caster)) {
		_caster = NULL;
	}

	return _caster;
}
void SpellCastInfo::caster_set(Entity *value) {
	_caster = value;
}
void SpellCastInfo::caster_set_bind(Node *caster) {
	if (!caster) {
		return;
	}

	Entity *e = cast_to<Entity>(caster);

	if (!e) {
		return;
	}

	_caster = e;
}

Entity *SpellCastInfo::target_get() {
	if (_target && !ObjectDB::instance_validate(_target)) {
		_target = NULL;
	}

	return _target;
}
void SpellCastInfo::target_set(Entity *value) {
	_target = value;
}
void SpellCastInfo::target_set_bind(Node *target) {
	if (!target) {
		return;
	}

	Entity *e = cast_to<Entity>(target);

	if (!e) {
		return;
	}

	_target = e;
}

bool SpellCastInfo::has_cast_time_get() const {
	return _has_cast_time;
}
void SpellCastInfo::has_cast_time_set(bool value) {
	_has_cast_time = value;
}

float SpellCastInfo::cast_time_get() const {
	return _cast_time;
}
void SpellCastInfo::cast_time_set(float value) {
	_cast_time = value;
}

float SpellCastInfo::current_cast_time_get() const {
	return _current_cast_time;
}
void SpellCastInfo::current_cast_time_set(float value) {
	_current_cast_time = value;
}

bool SpellCastInfo::is_casting_get() const {
	return _is_casting;
}
void SpellCastInfo::is_casting_set(bool value) {
	_is_casting = value;
}

int SpellCastInfo::num_pushbacks_get() const {
	return _num_pushbacks;
}
void SpellCastInfo::num_pushbacks_set(int value) {
	_num_pushbacks = value;
}

float SpellCastInfo::spell_scale_get() const {
	return _spell_scale;
}
void SpellCastInfo::spell_scale_set(float value) {
	_spell_scale = value;
}

Ref<Spell> SpellCastInfo::get_spell() const {
	return _spell;
}
void SpellCastInfo::set_spell(const Ref<Spell> &spell) {
	_spell = spell;
}

Ref<ItemInstance> SpellCastInfo::get_source_item() const {
	return _source_item;
}
void SpellCastInfo::set_source_item(const Ref<ItemInstance> &item) {
	_source_item = item;
}

Ref<ItemTemplate> SpellCastInfo::get_source_template() const {
	return _source_template;
}
void SpellCastInfo::set_source_template(const Ref<ItemTemplate> &source_template) {
	_source_template = source_template;
}

bool SpellCastInfo::update_cast_time(float delta) {
	_current_cast_time += delta;

	if (_current_cast_time >= _cast_time) {
		_current_cast_time = _cast_time;

		return true;
	}

	return false;
}

void SpellCastInfo::physics_process(float delta) {
	ERR_FAIL_COND(!_spell.is_valid());

	_spell->son_physics_process(Ref<SpellCastInfo>(this), delta);
}

void SpellCastInfo::resolve_references(Node *owner) {
	ERR_FAIL_COND(!ObjectDB::instance_validate(owner));

	ERR_FAIL_COND(!owner->is_inside_tree());

	_caster = Object::cast_to<Entity>(owner);

	if (owner->is_inside_tree()) {
		_target = Object::cast_to<Entity>(owner->get_node_or_null(_target_path));
	}

	Ref<Spell> spell = ESS::get_singleton()->get_resource_db()->get_spell(_spell_id);

	if (spell.is_valid()) {
		_spell = spell;
	}
}

Dictionary SpellCastInfo::to_dict() {
	Dictionary dict;

	if (ObjectDB::instance_validate(_caster))
		dict["caster"] = _caster->get_path();

	if (ObjectDB::instance_validate(_target))
		dict["target"] = _target->get_path();

	dict["has_cast_time"] = _has_cast_time;
	dict["cast_time"] = _cast_time;

	dict["current_cast_time"] = _current_cast_time;
	dict["num_pushbacks"] = _num_pushbacks;
	dict["is_casting"] = _is_casting;

	if (_spell.is_valid()) {
		dict["spell_id"] = _spell->get_id();
	} else {
		dict["spell_id"] = _spell_id;
	}

	//item serialization not needed

	return dict;
}
void SpellCastInfo::from_dict(const Dictionary &dict) {
	ERR_FAIL_COND(dict.empty());

	_has_cast_time = dict.get("has_cast_time", true);
	_cast_time = dict.get("cast_time", 0);

	_current_cast_time = dict.get("current_cast_time", 0);
	_num_pushbacks = dict.get("num_pushbacks", 0);
	_is_casting = dict.get("is_casting", true);

	_spell_id = dict.get("spell_id", 0);

	//item serialization not needed
}

SpellCastInfo::SpellCastInfo() {
	_caster = NULL;
	_target = NULL;

	_has_cast_time = false;
	_cast_time = 0;
	_spell_scale = 0;

	_current_cast_time = 0;
	_num_pushbacks = 0;

	_is_casting = false;

	_spell_id = 0;
}

SpellCastInfo::~SpellCastInfo() {
	_caster = NULL;
	_target = NULL;

	_spell.unref();
	_source_item.unref();
	_source_template.unref();
}

void SpellCastInfo::_bind_methods() {
	ClassDB::bind_method(D_METHOD("caster_get"), &SpellCastInfo::caster_get);
	ClassDB::bind_method(D_METHOD("caster_set", "caster"), &SpellCastInfo::caster_set_bind);
	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "caster", PROPERTY_HINT_RESOURCE_TYPE, "Entity"), "caster_set", "caster_get");

	ClassDB::bind_method(D_METHOD("target_get"), &SpellCastInfo::target_get);
	ClassDB::bind_method(D_METHOD("set_target", "caster"), &SpellCastInfo::target_set_bind);
	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "target", PROPERTY_HINT_RESOURCE_TYPE, "Entity"), "set_target", "target_get");

	ClassDB::bind_method(D_METHOD("has_cast_time_get"), &SpellCastInfo::has_cast_time_get);
	ClassDB::bind_method(D_METHOD("has_cast_time_set", "value"), &SpellCastInfo::has_cast_time_set);
	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "has_cast_time"), "has_cast_time_set", "has_cast_time_get");

	ClassDB::bind_method(D_METHOD("cast_time_get"), &SpellCastInfo::cast_time_get);
	ClassDB::bind_method(D_METHOD("cast_time_set", "value"), &SpellCastInfo::cast_time_set);
	ADD_PROPERTY(PropertyInfo(Variant::REAL, "cast_time"), "cast_time_set", "cast_time_get");

	ClassDB::bind_method(D_METHOD("current_cast_time_get"), &SpellCastInfo::current_cast_time_get);
	ClassDB::bind_method(D_METHOD("current_cast_time_set", "value"), &SpellCastInfo::current_cast_time_set);
	ADD_PROPERTY(PropertyInfo(Variant::REAL, "current_cast_time"), "current_cast_time_set", "current_cast_time_get");

	ClassDB::bind_method(D_METHOD("is_casting_get"), &SpellCastInfo::is_casting_get);
	ClassDB::bind_method(D_METHOD("is_casting_set", "value"), &SpellCastInfo::is_casting_set);
	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "is_casting"), "is_casting_set", "is_casting_get");

	ClassDB::bind_method(D_METHOD("num_pushbacks_get"), &SpellCastInfo::num_pushbacks_get);
	ClassDB::bind_method(D_METHOD("num_pushbacks_set", "value"), &SpellCastInfo::num_pushbacks_set);
	ADD_PROPERTY(PropertyInfo(Variant::INT, "num_pushbacks"), "num_pushbacks_set", "num_pushbacks_get");

	ClassDB::bind_method(D_METHOD("spell_scale_get"), &SpellCastInfo::spell_scale_get);
	ClassDB::bind_method(D_METHOD("spell_scale_set", "value"), &SpellCastInfo::spell_scale_set);
	ADD_PROPERTY(PropertyInfo(Variant::REAL, "spell_scale"), "spell_scale_set", "spell_scale_get");

	ClassDB::bind_method(D_METHOD("get_spell"), &SpellCastInfo::get_spell);
	ClassDB::bind_method(D_METHOD("set_spell", "spell"), &SpellCastInfo::set_spell);
	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "spell", PROPERTY_HINT_RESOURCE_TYPE, "Spell"), "set_spell", "get_spell");

	ClassDB::bind_method(D_METHOD("get_source_item"), &SpellCastInfo::get_source_item);
	ClassDB::bind_method(D_METHOD("set_source_item", "spell"), &SpellCastInfo::set_source_item);
	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "source_item", PROPERTY_HINT_RESOURCE_TYPE, "ItemInstance"), "set_source_item", "get_source_item");

	ClassDB::bind_method(D_METHOD("get_source_template"), &SpellCastInfo::get_source_template);
	ClassDB::bind_method(D_METHOD("set_source_template", "spell"), &SpellCastInfo::set_source_template);
	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "source_template", PROPERTY_HINT_RESOURCE_TYPE, "ItemTemplate"), "set_source_template", "get_source_template");

	ClassDB::bind_method(D_METHOD("update_cast_time", "delta"), &SpellCastInfo::update_cast_time);

	ClassDB::bind_method(D_METHOD("from_dict", "dict"), &SpellCastInfo::from_dict);
	ClassDB::bind_method(D_METHOD("to_dict"), &SpellCastInfo::to_dict);
}