William Moberg
42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
#include "Systems/HealthSystem.h"
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HealthSystem::HealthSystem(World* m_World, EventBroker* eventBroker)
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: System(m_World, eventBroker)
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, PureSystem("Health")
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{
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//subscribe/listenTo playerdamage,healthpickup events (using the eventBroker)
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EVENT_SUBSCRIBE_MEMBER(m_EPlayerDamage, &HealthSystem::OnPlayerDamaged);
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EVENT_SUBSCRIBE_MEMBER(m_EPlayerHealthPickup, &HealthSystem::OnPlayerHealthPickup);
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}
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void HealthSystem::UpdateComponent(EntityWrapper& entity, ComponentWrapper& component, double dt)
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{
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}
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bool HealthSystem::OnPlayerDamaged(Events::PlayerDamage& e)
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{
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ComponentWrapper cHealth = e.Player["Health"];
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double& health = cHealth["Health"];
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health -= e.Damage;
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if (health <= 0.0) {
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Events::PlayerDeath ePlayerDeath;
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ePlayerDeath.Player = e.Player;
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m_EventBroker->Publish(ePlayerDeath);
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//Note: we will delete the entity in PlayerDeathSystem
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}
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return true;
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}
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bool HealthSystem::OnPlayerHealthPickup(Events::PlayerHealthPickup& e)
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{
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ComponentWrapper cHealth = e.Player["Health"];
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double& health = cHealth["Health"];
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health += e.HealthAmount;
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health = std::min(health, (double)cHealth["MaxHealth"]);
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return true;
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}
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