56 lines
1.8 KiB
C++
56 lines
1.8 KiB
C++
#ifndef TriggerSystem_h__
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#define TriggerSystem_h__
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#include <glm/common.hpp>
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#include <unordered_set>
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#include "../Core/System.h"
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#include "../Core/EventBroker.h"
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#include "../Core/Octree.h"
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#include "ETrigger.h"
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#include "EntityAABB.h"
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class AABB;
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class TriggerSystem : public PureSystem
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{
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public:
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TriggerSystem(SystemParams params, Octree<EntityAABB>* octree)
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: System(params)
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, PureSystem("Trigger")
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, m_Octree(octree)
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{
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EVENT_SUBSCRIBE_MEMBER(m_ETouch, &TriggerSystem::OnTouch);
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EVENT_SUBSCRIBE_MEMBER(m_EEnter, &TriggerSystem::OnEnter);
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EVENT_SUBSCRIBE_MEMBER(m_ELeave, &TriggerSystem::OnLeave);
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}
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virtual void UpdateComponent(EntityWrapper& entity, ComponentWrapper& component, double dt) override;
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private:
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Octree<EntityAABB>* m_Octree;
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std::vector<EntityAABB> m_OctreeOut;
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std::unordered_map<EntityWrapper, std::unordered_set<EntityWrapper>> m_EntitiesTouchingTrigger;
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std::unordered_map<EntityWrapper, std::unordered_set<EntityWrapper>> m_EntitiesCompletelyInTrigger;
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//TODO: Only exists for debug purposes, remove later.
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EventRelay<TriggerSystem, Events::TriggerEnter> m_EEnter;
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bool OnEnter(const Events::TriggerEnter &event);
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EventRelay<TriggerSystem, Events::TriggerTouch> m_ETouch;
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bool OnTouch(const Events::TriggerTouch &event);
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EventRelay<TriggerSystem, Events::TriggerLeave> m_ELeave;
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bool OnLeave(const Events::TriggerLeave &event);
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//True if leave event was thrown.
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bool throwLeaveIfWasInTrigger(std::unordered_set<EntityWrapper>& triggerSet, EntityWrapper colliderENtity, EntityWrapper triggerEntity);
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template<typename Event>
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void publish(EntityWrapper collider, EntityWrapper trigger)
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{
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Event e;
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e.Trigger = trigger;
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e.Entity = collider;
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m_EventBroker->Publish(e);
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}
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};
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#endif |