142 lines
3.8 KiB
C++
142 lines
3.8 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef QDENGINE_QDCORE_QD_COUNTER_H
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#define QDENGINE_QDCORE_QD_COUNTER_H
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#include "qdengine/parser/xml_fwd.h"
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#include "qdengine/qdcore/qd_named_object_reference.h"
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namespace Common {
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class WriteStream;
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}
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namespace QDEngine {
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class qdGameObjectState;
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class qdCounterElement {
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public:
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qdCounterElement();
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~qdCounterElement();
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explicit qdCounterElement(const qdGameObjectState *p, bool inc_value = true);
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bool operator == (const qdGameObjectState *p) const {
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return _state == p;
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}
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const qdGameObjectState *state() const {
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return _state;
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}
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bool increment_value() const {
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return _increment_value;
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}
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bool init();
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bool quant();
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bool load_script(const xml::tag *p);
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bool save_script(Common::WriteStream &fh, int indent = 0) const;
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//! Загрузка данных из сэйва.
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bool load_data(Common::SeekableReadStream &fh, int save_version);
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//! Запись данных в сэйв.
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bool save_data(Common::WriteStream &fh) const;
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private:
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qdNamedObjectReference _state_reference;
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const qdGameObjectState *_state;
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bool _last_state_status;
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bool _increment_value;
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};
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//! Счетчик состояний.
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class qdCounter : public qdNamedObject {
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public:
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qdCounter();
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~qdCounter();
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//! Флаги счетчика.
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enum {
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//! принимает только положительные значения
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POSITIVE_VALUE = 0x01
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};
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int named_object_type() const {
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return QD_NAMED_OBJECT_COUNTER;
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}
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int value() const {
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return _value;
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}
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void set_value(int value);
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void add_value(int value_delta);
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int value_limit() const {
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return _value_limit;
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}
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void set_value_limit(int limit) {
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_value_limit = limit;
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}
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typedef Std::vector<qdCounterElement> element_container_t;
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const element_container_t &elements() const {
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return _elements;
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}
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//! Добавление состояния. Возвращает false, если оно уже добавлено ранее.
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bool add_element(const qdGameObjectState *p, bool inc_value = true);
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bool remove_element(const qdGameObjectState *p);
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bool remove_element(int idx);
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void quant();
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void init();
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bool load_script(const xml::tag *p);
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bool save_script(Common::WriteStream &fh, int indent = 0) const;
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//! Загрузка данных из сэйва.
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bool load_data(Common::SeekableReadStream &fh, int save_version);
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//! Запись данных в сэйв.
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bool save_data(Common::WriteStream &fh) const;
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protected:
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private:
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//! Состояния, которые при включении изменяют значение счетчика.
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element_container_t _elements;
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//! Текущее значение счетчика.
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int _value;
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//! Предельное значение, по достижении которого счетчик скидывается в ноль.
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/**
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Если меньше или равно нулю - не учитывается.
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*/
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int _value_limit;
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};
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} // namespace QDEngine
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#endif // QDENGINE_QDCORE_QD_COUNTER_H
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