/**************************************************************************** Copyright (c) 2008-2010 Ricardo Quesada Copyright (c) 2010-2012 cocos2d-x.org Copyright (c) 2011 Zynga Inc. Copyright (c) 2013-2016 Chukong Technologies Inc. Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd. Copyright (c) 2019-present Axmol Engine contributors (see AUTHORS.md). https://axmol.dev/ 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 "2d/Action.h" #include "2d/ActionInterval.h" #include "2d/Node.h" #include "base/Director.h" #include "base/UTF8.h" NS_AX_BEGIN // // Action Base Class // Action::Action() : _originalTarget(nullptr), _target(nullptr), _tag(Action::INVALID_TAG), _flags(0) {} Action::~Action() { AXLOGINFO("deallocing Action: %p - tag: %i", this, _tag); } std::string Action::description() const { return StringUtils::format("initWithAction(action, speed)) { ret->autorelease(); return ret; } AX_SAFE_DELETE(ret); return nullptr; } bool Speed::initWithAction(ActionInterval* action, float speed) { AXASSERT(action != nullptr, "action must not be NULL"); if (action == nullptr) { AXLOGE("Speed::initWithAction error: action is nullptr!"); return false; } action->retain(); _innerAction = action; _speed = speed; return true; } Speed* Speed::clone() const { // no copy constructor if (_innerAction) return Speed::create(_innerAction->clone(), _speed); return nullptr; } void Speed::startWithTarget(Node* target) { if (target && _innerAction) { Action::startWithTarget(target); _innerAction->startWithTarget(target); } else AXLOGE("Speed::startWithTarget error: target({}) or _innerAction({}) is nullptr!", fmt::ptr(target), fmt::ptr(_innerAction)); } void Speed::stop() { if (_innerAction) _innerAction->stop(); Action::stop(); } void Speed::step(float dt) { _innerAction->step(dt * _speed); } bool Speed::isDone() const { return _innerAction->isDone(); } Speed* Speed::reverse() const { if (_innerAction) return Speed::create(_innerAction->reverse(), _speed); return nullptr; } void Speed::setInnerAction(ActionInterval* action) { if (_innerAction != action) { AX_SAFE_RELEASE(_innerAction); _innerAction = action; AX_SAFE_RETAIN(_innerAction); } } // // Follow // Follow::~Follow() { AX_SAFE_RELEASE(_followedNode); } Follow* Follow::create(Node* followedNode, const Rect& rect /* = Rect::ZERO*/) { return createWithOffset(followedNode, 0.0, 0.0, rect); } Follow* Follow::createWithOffset(Node* followedNode, float xOffset, float yOffset, const Rect& rect /*= Rect::ZERO*/) { Follow* follow = new Follow(); bool valid = follow->initWithTargetAndOffset(followedNode, xOffset, yOffset, rect); if (valid) { follow->autorelease(); return follow; } delete follow; return nullptr; } Follow* Follow::clone() const { // no copy constructor return Follow::createWithOffset(_followedNode, _offsetX, _offsetY, _worldRect); } Follow* Follow::reverse() const { return clone(); } bool Follow::initWithTargetAndOffset(Node* followedNode, float xOffset, float yOffset, const Rect& rect) { AXASSERT(followedNode != nullptr, "FollowedNode can't be NULL"); if (followedNode == nullptr) { AXLOGE("Follow::initWithTarget error: followedNode is nullptr!"); return false; } followedNode->retain(); _followedNode = followedNode; _worldRect = rect; _boundarySet = !rect.equals(Rect::ZERO); _boundaryFullyCovered = false; Vec2 winSize = Director::getInstance()->getWinSize(); _fullScreenSize.set(winSize.width, winSize.height); _halfScreenSize = _fullScreenSize * 0.5f; _offsetX = xOffset; _offsetY = yOffset; _halfScreenSize.x += _offsetX; _halfScreenSize.y += _offsetY; if (_boundarySet) { _leftBoundary = -((rect.origin.x + rect.size.width) - _fullScreenSize.x); _rightBoundary = -rect.origin.x; _topBoundary = -rect.origin.y; _bottomBoundary = -((rect.origin.y + rect.size.height) - _fullScreenSize.y); if (_rightBoundary < _leftBoundary) { // screen width is larger than world's boundary width // set both in the middle of the world _rightBoundary = _leftBoundary = (_leftBoundary + _rightBoundary) / 2; } if (_topBoundary < _bottomBoundary) { // screen width is larger than world's boundary width // set both in the middle of the world _topBoundary = _bottomBoundary = (_topBoundary + _bottomBoundary) / 2; } if ((_topBoundary == _bottomBoundary) && (_leftBoundary == _rightBoundary)) { _boundaryFullyCovered = true; } } return true; } bool Follow::initWithTarget(Node* followedNode, const Rect& rect /*= Rect::ZERO*/) { return initWithTargetAndOffset(followedNode, 0.0, 0.0, rect); } void Follow::step(float /*dt*/) { if (_boundarySet) { // whole map fits inside a single screen, no need to modify the position - unless map boundaries are increased if (_boundaryFullyCovered) { return; } Vec2 tempPos = _halfScreenSize - _followedNode->getPosition(); _target->setPosition(clampf(tempPos.x, _leftBoundary, _rightBoundary), clampf(tempPos.y, _bottomBoundary, _topBoundary)); } else { _target->setPosition(_halfScreenSize - _followedNode->getPosition()); } } bool Follow::isDone() const { return (!_followedNode->isRunning()); } void Follow::stop() { _target = nullptr; Action::stop(); } NS_AX_END