124 lines
3.0 KiB
C++
124 lines
3.0 KiB
C++
#include "..\e2dmanager.h"
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#include "..\e2dnode.h"
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#include "..\e2dtool.h"
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e2d::CollisionManager * e2d::CollisionManager::_instance = nullptr;
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e2d::CollisionManager * e2d::CollisionManager::getInstance()
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{
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if (!_instance)
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_instance = new (std::nothrow) CollisionManager;
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return _instance;
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}
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void e2d::CollisionManager::destroyInstance()
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{
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if (_instance)
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{
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delete _instance;
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_instance = nullptr;
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}
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}
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e2d::CollisionManager::CollisionManager()
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{
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}
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e2d::CollisionManager::~CollisionManager()
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{
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}
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void e2d::CollisionManager::__addCollider(Collider * collider)
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{
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_colliders.push_back(collider);
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}
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void e2d::CollisionManager::__removeCollider(Collider * collider)
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{
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auto iter = std::find(_colliders.begin(), _colliders.end(), collider);
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if (iter != _colliders.end())
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{
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_colliders.erase(iter);
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}
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}
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void e2d::CollisionManager::__updateCollider(Collider* collider)
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{
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if (Game::getInstance()->isPaused() ||
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!Game::getInstance()->getConfig().isCollisionEnabled() ||
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SceneManager::getInstance()->isTransitioning())
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return;
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for (size_t i = 0; i < _colliders.size(); i++)
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{
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// 判断与其他碰撞体的交集情况
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auto active = collider->getNode();
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auto passive = _colliders[i]->getNode();
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// 判断两物体是否是相互冲突的物体
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if (active == passive ||
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!passive->isVisible() ||
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active->getParentScene() != passive->getParentScene() ||
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!CollisionManager::isCollidable(active, passive))
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{
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continue;
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}
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// 判断两碰撞体交集情况
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Collider::Relation relation = active->getCollider()->getRelationWith(passive->getCollider());
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// 忽略 UNKNOWN 和 DISJOIN 情况
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if (relation != Collider::Relation::Unknown &&
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relation != Collider::Relation::Disjoin)
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{
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// 触发两次碰撞事件
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Collision activeCollision(passive, relation);
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active->getParentScene()->onCollision(activeCollision);
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active->onCollision(activeCollision);
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Collision passiveCollision(active, passive->getCollider()->getRelationWith(active->getCollider()));
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passive->getParentScene()->onCollision(passiveCollision);
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passive->onCollision(passiveCollision);
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}
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}
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}
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void e2d::CollisionManager::addName(const String & name1, const String & name2)
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{
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if (!name1.isEmpty() && !name2.isEmpty())
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{
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_collisionList.insert(std::make_pair(name1.getHashCode(), name2.getHashCode()));
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}
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}
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void e2d::CollisionManager::addName(const std::vector<std::pair<String, String> >& names)
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{
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for (auto& name : names)
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{
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if (!name.first.isEmpty() && !name.second.isEmpty())
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{
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_collisionList.insert(std::make_pair(name.first.getHashCode(), name.second.getHashCode()));
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}
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}
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}
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bool e2d::CollisionManager::isCollidable(Node * node1, Node * node2)
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{
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return CollisionManager::isCollidable(node1->getName(), node2->getName());
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}
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bool e2d::CollisionManager::isCollidable(const String & name1, const String & name2)
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{
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size_t hashName1 = name1.getHashCode(),
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hashName2 = name2.getHashCode();
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auto pair1 = std::make_pair(hashName1, hashName2),
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pair2 = std::make_pair(hashName2, hashName1);
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for (auto& pair : _collisionList)
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{
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if (pair == pair1 || pair == pair2)
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{
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return true;
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}
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}
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return false;
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}
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