Merge remote-tracking branch 'origin/Networking'

# Conflicts:
#	src/Engine/Network/Client.cpp
#	src/Game/Systems/WeaponSystem.cpp

include/Engine/Core/EComponentDeleted.h

@@ -0,0 +1,21 @@
+#ifndef EComponentDeleted_h__
+#define EComponentDeleted_h__
+
+#include "../Common.h"
+#include "Event.h"
+#include "Entity.h"
+
+namespace Events
+{
+
+struct ComponentDeleted : Event
+{
+    EntityID Entity;
+    std::string ComponentType;
+    // True if the component was deleted as a result of the entity it was attached to being deleted
+    bool Cascaded;
+};
+
+}
+
+#endif

include/Engine/Core/EEntityDeleted.h

@@ -0,0 +1,19 @@
+#ifndef EEntityDeleted_h__
+#define EEntityDeleted_h__
+
+#include "Event.h"
+#include "Entity.h"
+
+namespace Events
+{
+
+struct EntityDeleted : Event
+{
+    EntityID DeletedEntity;
+    // True if the entity deletion was triggered because the entity's parent was deleted before it
+    bool Cascaded;
+};
+
+}
+
+#endif

include/Engine/Core/World.h

@@ -5,11 +5,15 @@
 #include "Entity.h"
 #include "ObjectPool.h"
 #include "ComponentPool.h"
+#include "EventBroker.h"
 
 class World
 {
 public:
     World() = default;
+    World(EventBroker* eventBroker) 
+        : m_EventBroker(eventBroker)
+    { }
     ~World();
 
     // Create empty entity
@@ -46,6 +50,7 @@ public:
     std::string GetName(EntityID entity) const;
 
 private:
+    EventBroker* m_EventBroker = nullptr;
     EntityID m_CurrentEntityID = 0;
 
     std::unordered_map<EntityID, EntityID> m_EntityParents;
@@ -55,6 +60,7 @@ private:
     std::unordered_map<EntityID, std::string> m_EntityNames;
 
     EntityID generateEntityID();
+    void deleteEntityRecursive(EntityID entity, bool cascaded = false);
 };
 
 #endif

include/Engine/Network/Client.h

@@ -79,6 +79,8 @@ private:
     void parsePing();
     void parseKick();
     void parsePlayersSpawned(Packet& packet);
+    void parseEntityDeletion(Packet& packet);
+    void parseComponentDeletion(Packet& packet);
     void InterpolateFields(Packet & packet, const ComponentInfo & componentInfo, const EntityID & entityID, const std::string & componentType);
     void parseSnapshot(Packet& packet);
     void identifyPacketLoss();
@@ -92,6 +94,7 @@ private:
     // Returns if server EntityID exist in map
     bool serverClientMapsHasEntity(EntityID serverEntityID);
     void insertIntoServerClientMaps(EntityID serverEntityID, EntityID clientEntityID);
+    void deleteFromServerClientMaps(EntityID serverEntityID, EntityID clientEntityID);
 
     // Events
     EventBroker* m_EventBroker;

include/Engine/Network/MessageType.h

@@ -15,7 +15,9 @@ enum class MessageType
     PlayerConnected,
     BecomePlayer,
     Kick,
-    OnPlayerSpawned
+    OnPlayerSpawned,
+    EntityDeleted,
+    ComponentDeleted
 };
 
 #endif

include/Engine/Network/Server.h

@@ -16,6 +16,8 @@
 #include "Core/EPlayerDamage.h"
 #include "Network/EPlayerDisconnected.h"
 #include "Core/EPlayerSpawned.h"
+#include "Core/EEntityDeleted.h"
+#include "Core/EComponentDeleted.h"
 
 class Server : public Network
 {
@@ -63,6 +65,7 @@ private:
     void send(Packet& packet);
     void broadcast(Packet& packet);
     void sendSnapshot();
+    void addChildrenToPacket(Packet& packet, EntityID entityID);
     void sendPing();
     void checkForTimeOuts();
     void disconnect(UserID user);
@@ -82,6 +85,10 @@ private:
     bool OnInputCommand(const Events::InputCommand& e);
     EventRelay<Server, Events::PlayerSpawned> m_EPlayerSpawned;
     bool OnPlayerSpawned(const Events::PlayerSpawned& e);
+    EventRelay<Server, Events::EntityDeleted> m_EEntityDeleted;
+    bool OnEntityDeleted(const Events::EntityDeleted& e);
+    EventRelay<Server, Events::ComponentDeleted> m_EComponentDeleted;
+    bool OnComponentDeleted(const Events::ComponentDeleted& e);
 };
 
 #endif

resources/DefaultInput.ini

@@ -22,3 +22,4 @@ X=EditorToggleTransformSpace
 C=ConnectToServer
 N=SwitchToServer
 M=SwitchToClient
+P=SwitchToPlayer

src/Engine/Core/World.cpp

@@ -1,4 +1,6 @@
 #include "Core/World.h"
+#include "Core/EEntityDeleted.h"
+#include "Core/EComponentDeleted.h"
 
 World::~World()
 {
@@ -21,37 +23,7 @@ EntityID World::CreateEntity(EntityID parent /*= 0*/)
 
 void World::DeleteEntity(EntityID entity)
 {
-    // Delete components
+    deleteEntityRecursive(entity, false);
-    for (auto& pair : m_ComponentPools) {
-        auto& pool = pair.second;
-        if (pool->KnowsEntity(entity)) {
-            auto& c = pool->GetByEntity(entity);
-            pool->Delete(c);
-        }
-    }
-
-    // Loop through children
-    std::vector<EntityID> childrenToDelete;
-    auto children = m_EntityChildren.equal_range(entity);
-    for (auto it = children.first; it != children.second; ++it) {
-        childrenToDelete.push_back(it->second);
-    }
-    for (auto& child : childrenToDelete) {
-        DeleteEntity(child);
-    }
-
-    EntityID parent = m_EntityParents.at(entity);
-    m_EntityParents.erase(entity);
-    auto parentChildren = m_EntityChildren.equal_range(parent);
-    for (auto it = parentChildren.first; it != parentChildren.second; ++it) {
-        if (it->second == entity) {
-            m_EntityChildren.erase(it);
-            break;
-        }
-    }
-
-    // Erase potential name
-    m_EntityNames.erase(entity);
 }
 
 bool World::ValidEntity(EntityID entity) const
@@ -96,7 +68,15 @@ void World::DeleteComponent(EntityID entity, const std::string& componentType)
 {
     ComponentPool* pool = m_ComponentPools.at(componentType);
     ComponentWrapper c = pool->GetByEntity(entity);
-    return pool->Delete(c);
+    pool->Delete(c);
+
+    if (m_EventBroker != nullptr) {
+        Events::ComponentDeleted e;
+        e.Entity = entity;
+        e.ComponentType = componentType;
+        e.Cascaded = false;
+        m_EventBroker->Publish(e);
+    }
 }
 
 const ComponentPool* World::GetComponents(const std::string& componentType)
@@ -155,3 +135,52 @@ EntityID World::generateEntityID()
     return m_CurrentEntityID++;
 }
 
+void World::deleteEntityRecursive(EntityID entity, bool cascaded /*= false*/)
+{
+    if (m_EventBroker != nullptr) {
+        Events::EntityDeleted e;
+        e.DeletedEntity = entity;
+        e.Cascaded = cascaded;
+        m_EventBroker->Publish(e);
+    }
+
+    // Delete components
+    for (auto& pair : m_ComponentPools) {
+        auto& pool = pair.second;
+        if (pool->KnowsEntity(entity)) {
+            auto& c = pool->GetByEntity(entity);
+            pool->Delete(c);
+            if (m_EventBroker != nullptr) {
+                Events::ComponentDeleted e;
+                e.Entity = entity;
+                e.ComponentType = pair.first;
+                e.Cascaded = true;
+                m_EventBroker->Publish(e);
+            }
+        }
+    }
+
+    // Loop through children
+    std::vector<EntityID> childrenToDelete;
+    auto children = m_EntityChildren.equal_range(entity);
+    for (auto it = children.first; it != children.second; ++it) {
+        childrenToDelete.push_back(it->second);
+    }
+    for (auto& child : childrenToDelete) {
+        deleteEntityRecursive(child, true);
+    }
+
+    EntityID parent = m_EntityParents.at(entity);
+    m_EntityParents.erase(entity);
+    auto parentChildren = m_EntityChildren.equal_range(parent);
+    for (auto it = parentChildren.first; it != parentChildren.second; ++it) {
+        if (it->second == entity) {
+            m_EntityChildren.erase(it);
+            break;
+        }
+    }
+
+    // Erase potential name
+    m_EntityNames.erase(entity);
+}
+

src/Engine/Network/Client.cpp

@@ -7,13 +7,13 @@ Client::Client(ConfigFile* config) : m_Socket(m_IOService)
 {
     Network::initialize();
 
-    // Asumes root node is EntityID 0
+    // Asumes root node is EntityID_Invalid
-    insertIntoServerClientMaps(0, 0);
+    insertIntoServerClientMaps(EntityID_Invalid, EntityID_Invalid);
     // Init timer
     m_TimeSinceSentInputs = std::clock();
     // Default is local host
     std::string address = config->Get<std::string>("Networking.Address", "127.0.0.1");
-    int port = config->Get<int>("Networking.Port", 13);
+    int port = config->Get<int>("Networking.Port", 27666);
     m_ReceiverEndpoint = udp::endpoint(boost::asio::ip::address::from_string(address), port);
     // Set up network stream
     m_PlayerName = config->Get<std::string>("Networking.Name", "Raptorcopter");
@@ -96,6 +96,12 @@ void Client::parseMessageType(Packet& packet)
     case MessageType::OnPlayerSpawned:
         parsePlayersSpawned(packet);
         break;
+    case MessageType::EntityDeleted:
+        parseEntityDeletion(packet);
+        break;
+    case MessageType::ComponentDeleted:
+        parseComponentDeletion(packet);
+        break;
     default:
         break;
     }
@@ -142,6 +148,25 @@ void Client::parsePlayersSpawned(Packet& packet)
     m_EventBroker->Publish(e);
 }
 
+void Client::parseEntityDeletion(Packet & packet)
+{
+    EntityID entityToDelete = packet.ReadPrimitive<EntityID>();
+    EntityID localEntity = m_ServerIDToClientID.at(entityToDelete);
+    if (m_World->ValidEntity(localEntity)) {
+        m_World->DeleteEntity(localEntity);
+        deleteFromServerClientMaps(entityToDelete, localEntity);
+    }
+}
+
+void Client::parseComponentDeletion(Packet & packet)
+{
+    EntityID entity = packet.ReadPrimitive<EntityID>();
+    std::string componentType = packet.ReadString();
+    if (m_World->HasComponent(entity, componentType)) {
+        m_World->DeleteComponent(m_ServerIDToClientID.at(entity), componentType);
+    }
+}
+
 // Fields with strings will not work right now
 void Client::InterpolateFields(Packet& packet, const ComponentInfo& componentInfo, const EntityID& entityID, const std::string& componentType)
 {
@@ -176,66 +201,50 @@ void Client::updateFields(Packet& packet, const ComponentInfo& componentInfo, co
 
 void Client::parseSnapshot(Packet& packet)
 {
-    std::string componentType = packet.ReadString();
     while (packet.DataReadSize() < packet.Size()) {
-        // HACK
+        EntityID serverEntityID = packet.ReadPrimitive<EntityID>();
-        std::string entityName = packet.ReadString();
+        EntityID serverParentID = packet.ReadPrimitive<EntityID>();
-        // Components EntityID
+        std::string serverEntityName = packet.ReadString();
-        EntityID receivedEntityID = packet.ReadPrimitive<EntityID>();
+        int ammountOfComponents = packet.ReadPrimitive<int>();
-        // HACK
+        for (int i = 0; i < ammountOfComponents; i++) {
-        m_World->SetName(receivedEntityID, entityName);
+            std::string componentType = packet.ReadString();
-        // Parents EntityID 
+            ComponentInfo componentInfo = m_World->GetComponents(componentType)->ComponentInfo();
-        EntityID receivedParentEntityID = packet.ReadPrimitive<EntityID>();
+            if (serverClientMapsHasEntity(serverEntityID)) {
-        ComponentInfo componentInfo = m_World->GetComponents(componentType)->ComponentInfo();
+                EntityID localEntityID = m_ServerIDToClientID.at(serverEntityID);
-        // Check if the received EntityID is mapped to one of our local EntityIDs
+                // Update entity
-        if (serverClientMapsHasEntity(receivedEntityID)) {
+                if (m_World->HasComponent(localEntityID, componentType)) {
-            // Get the local EntityID
+                    // Update component
-            EntityID entityID = m_ServerIDToClientID.at(receivedEntityID);
+                    if (componentType == "Transform") {
-            // Check if the component exists
+                        // Interpolate only transform components
-            if (m_World->HasComponent(entityID, componentType)) {
+                        InterpolateFields(packet, componentInfo, localEntityID, componentType);
-                // If the entity and the component exists update it
+                    } else {
-                if (componentType == "Transform") {
+                        // Set component values
-                    InterpolateFields(packet, componentInfo, entityID, componentType);
+                        updateFields(packet, componentInfo, localEntityID, componentType);
+                    }
                 } else {
-                    updateFields(packet, componentInfo, entityID, componentType);
+                    // Has entity but no component
+                    m_World->AttachComponent(localEntityID, componentType);
+                    updateFields(packet, componentInfo, localEntityID, componentType);
                 }
-                // if entity exists but not the component
             } else {
-                // Create component
+                // Create Entity and component
-                m_World->AttachComponent(entityID, componentType);
+                EntityID newLocalEntityID;
-                // Copy data to newly created component
+                if (serverParentID == EntityID_Invalid) {
-                updateFields(packet, componentInfo, entityID, componentType);
+                    newLocalEntityID = m_World->CreateEntity(EntityID_Invalid);
+                } else {
+                    newLocalEntityID = m_World->CreateEntity(m_ServerIDToClientID.at(serverParentID));
+                }
+                m_World->SetName(newLocalEntityID, serverEntityName);
+                insertIntoServerClientMaps(serverEntityID, newLocalEntityID);
+                m_World->AttachComponent(newLocalEntityID, componentType);
+                updateFields(packet, componentInfo, newLocalEntityID, componentType);
             }
-            // If the entity dosent exist nor the component
-        } else {
-            // Create Entity
-            // If entity dosen't exist
-            EntityID newEntityID = m_World->CreateEntity();
-            insertIntoServerClientMaps(receivedEntityID, newEntityID);
-            // Check if EntityIDs are out of sync
-            if (newEntityID != receivedEntityID) {
-                LOG_INFO("Client::parseSnapshot(Packet& packet): Newly created EntityID is not the \
-                            same as the one sent by server (EntityIDs are out of sync)");
-            }
-            // Create component
-            m_World->AttachComponent(newEntityID, componentType);
-            // Copy data to newly created component
-            updateFields(packet, componentInfo, newEntityID, componentType);
         }
-
+        // Parent logic
-        // Parent Logic
+        // This should be enough beacause we know that the entities arives in pre-order (there will always be a parent)
-        // Don't need to check if receivedEntityID is mapped. (It should have been set) 
+        if (serverParentID != EntityID_Invalid) {
-        if (receivedParentEntityID != std::numeric_limits<EntityID>::max()) {
+            EntityID localEntityID = m_ServerIDToClientID.at(serverEntityID);
-            if (serverClientMapsHasEntity(receivedParentEntityID)) {
+            m_World->SetParent(localEntityID, m_ServerIDToClientID.at(serverParentID));
-                m_World->SetParent(m_ServerIDToClientID.at(receivedEntityID), m_ServerIDToClientID.at(receivedParentEntityID));
-                // If Parent dosen't exist create one and map receivedParentEntityID to it.
-            } else {
-                // Create the new parent and add it to map
-                EntityID newParentEntityID = m_World->CreateEntity();
-                insertIntoServerClientMaps(receivedParentEntityID, newParentEntityID);
-                // Set the newly created Entity as parent.
-                m_World->SetParent(m_ServerIDToClientID.at(receivedEntityID), newParentEntityID);
-            }
         }
     }
 }
@@ -326,7 +335,7 @@ bool Client::OnInputCommand(const Events::InputCommand & e)
 
 bool Client::OnPlayerDamage(const Events::PlayerDamage & e)
 {
-    Packet packet(MessageType::OnInputCommand, m_SendPacketID);
+    Packet packet(MessageType::OnPlayerDamage, m_SendPacketID);
     packet.WritePrimitive(e.Damage);
     packet.WritePrimitive(e.Player.ID);
     send(packet);
@@ -386,12 +395,26 @@ void Client::becomePlayer()
 
 bool Client::clientServerMapsHasEntity(EntityID clientEntityID)
 {
-    return m_ClientIDToServerID.find(clientEntityID) != m_ClientIDToServerID.end();
+    if (m_ClientIDToServerID.find(clientEntityID) != m_ClientIDToServerID.end()) {
+        if (m_World->ValidEntity(clientEntityID)) {
+            return true;
+        }
+        EntityID serverEntityID = m_ClientIDToServerID.at(clientEntityID);
+        deleteFromServerClientMaps(serverEntityID, clientEntityID);
+    }
+    return false;
 }
 
 bool Client::serverClientMapsHasEntity(EntityID serverEntityID)
 {
-    return m_ServerIDToClientID.find(serverEntityID) != m_ServerIDToClientID.end();
+    if (m_ServerIDToClientID.find(serverEntityID) != m_ServerIDToClientID.end()) {
+        EntityID localEntityID = m_ServerIDToClientID.at(serverEntityID);
+        if (m_World->ValidEntity(localEntityID)) {
+            return true;
+        }
+        deleteFromServerClientMaps(serverEntityID, localEntityID);
+    }
+    return false;
 }
 
 void Client::insertIntoServerClientMaps(EntityID serverEntityID, EntityID clientEntityID)
@@ -400,3 +423,9 @@ void Client::insertIntoServerClientMaps(EntityID serverEntityID, EntityID client
     m_ClientIDToServerID.insert(std::make_pair(clientEntityID, serverEntityID));
 
 }
+
+void Client::deleteFromServerClientMaps(EntityID serverEntityID, EntityID clientEntityID)
+{
+    m_ServerIDToClientID.erase(serverEntityID);
+    m_ClientIDToServerID.erase(clientEntityID);
+}

src/Engine/Network/Server.cpp

@@ -21,6 +21,8 @@ void Server::Start(World* world, EventBroker* eventBroker)
     // Subscribe to events
     EVENT_SUBSCRIBE_MEMBER(m_EInputCommand, &Server::OnInputCommand);
     EVENT_SUBSCRIBE_MEMBER(m_EPlayerSpawned, &Server::OnPlayerSpawned);
+    EVENT_SUBSCRIBE_MEMBER(m_EEntityDeleted, &Server::OnEntityDeleted);
+    EVENT_SUBSCRIBE_MEMBER(m_EComponentDeleted, &Server::OnComponentDeleted);
     for (size_t i = 0; i < m_MaxConnections; i++) {
         m_PlayerDefinitions[i].StopTime = std::clock();
     }
@@ -175,35 +177,51 @@ void Server::broadcast(Packet& packet)
 // Send snapshot fields
 void Server::sendSnapshot()
 {
-    // Should time this
+    Packet packet(MessageType::Snapshot);
-    std::unordered_map<std::string, ComponentPool*> worldComponentPools = m_World->GetComponentPools();
+    addChildrenToPacket(packet, EntityID_Invalid);
-    for (auto& it : worldComponentPools) {
+    broadcast(packet);
-        Packet packet(MessageType::Snapshot);
+}
-        ComponentPool* componentPool = it.second;
-        ComponentInfo componentInfo = componentPool->ComponentInfo();
 
-        // Component Type
+void Server::addChildrenToPacket(Packet & packet, EntityID entityID)
-        packet.WriteString(componentInfo.Name);
+{
-        for (auto& componentWrapper : *componentPool) {
+    auto itPair = m_World->GetChildren(entityID);
-            // HACK: Send entity name
+    std::unordered_map<std::string, ComponentPool*> worldComponentPools = m_World->GetComponentPools();
-            packet.WriteString(m_World->GetName(componentWrapper.EntityID));
+    // Loop through every child
-            // Components EntityID
+    for (auto it = itPair.first; it != itPair.second; it++) {
-            packet.WritePrimitive(componentWrapper.EntityID);
+        EntityID childEntityID = it->second;
-            // Parents EntityID
+        // Write EntityID and parentsID and Entity name
-            packet.WritePrimitive(m_World->GetParent(componentWrapper.EntityID));
+        packet.WritePrimitive(childEntityID);
-            for (auto& componentField : componentWrapper.Info.FieldsInOrder) {
+        packet.WritePrimitive(entityID);
-                ComponentInfo::Field_t fieldInfo = componentInfo.Fields.at(componentField);
+        packet.WriteString(m_World->GetName(childEntityID));
-                if (fieldInfo.Type == "string") {
+        // Write components to child
-                    std::string& value = componentWrapper[componentField];
+        int numberOfComponents = 0;
-                    packet.WriteString(value);
+        for (auto& i : worldComponentPools) {
-                } else {
+            if (i.second->KnowsEntity(childEntityID)) {
-                    packet.WriteData(componentWrapper.Data + fieldInfo.Offset, fieldInfo.Stride);
+                numberOfComponents++;
+            }
+        }
+        // Write how many components should be read
+        packet.WritePrimitive(numberOfComponents);
+        for (auto& i : worldComponentPools) {
+            // If the entity exist in the pool
+            if (i.second->KnowsEntity(childEntityID)) {
+                ComponentWrapper componentWrapper = i.second->GetByEntity(childEntityID);
+                // ComponentType
+                packet.WriteString(componentWrapper.Info.Name);
+                // Loop through fields
+                for (auto& componentField : componentWrapper.Info.FieldsInOrder) {
+                    ComponentInfo::Field_t fieldInfo = componentWrapper.Info.Fields.at(componentField);
+                    if (fieldInfo.Type == "string") {
+                        std::string& value = componentWrapper[componentField];
+                        packet.WriteString(value);
+                    } else {
+                        packet.WriteData(componentWrapper.Data + fieldInfo.Offset, fieldInfo.Stride);
+                    }
                 }
             }
         }
-        if (packet.Size() > packet.HeaderSize() + componentInfo.Name.size()) {
+        // Go to to your children
-            broadcast(packet);
+        addChildrenToPacket(packet, childEntityID);
-        }
     }
 }
 
@@ -449,3 +467,24 @@ bool Server::OnPlayerSpawned(const Events::PlayerSpawned & e)
     send(e.PlayerID, packet);
     return false;
 }
+
+bool Server::OnEntityDeleted(const Events::EntityDeleted & e)
+{
+    if (!e.Cascaded) {
+        Packet packet = Packet(MessageType::EntityDeleted);
+        packet.WritePrimitive<EntityID>(e.DeletedEntity);
+        broadcast(packet);
+    }
+    return false;
+}
+
+bool Server::OnComponentDeleted(const Events::ComponentDeleted & e)
+{
+    if (!e.Cascaded) {
+        Packet packet = Packet(MessageType::ComponentDeleted);
+        packet.WritePrimitive<EntityID>(e.Entity);
+        packet.WriteString(e.ComponentType);
+        broadcast(packet);
+    }
+    return false;
+}

src/Game/Game.cpp

@@ -57,7 +57,7 @@ Game::Game(int argc, char* argv[])
     m_FrameStack->Height = m_Renderer->Resolution().Height;
 
     // Create a world
-    m_World = new World();
+    m_World = new World(m_EventBroker);
     std::string mapToLoad = m_Config->Get<std::string>("Debug.LoadMap", "");
     if (!mapToLoad.empty()) {
         auto file = ResourceManager::Load<EntityFile>(mapToLoad);
@@ -77,7 +77,7 @@ Game::Game(int argc, char* argv[])
     // All systems with orderlevel 0 will be updated first.
     unsigned int updateOrderLevel = 0;
     m_SystemPipeline->AddSystem<RaptorCopterSystem>(updateOrderLevel);
-    m_SystemPipeline->AddSystem<HealthSystem>(updateOrderLevel);
+    //m_SystemPipeline->AddSystem<HealthSystem>(updateOrderLevel);
     m_SystemPipeline->AddSystem<PlayerMovementSystem>(updateOrderLevel);
     m_SystemPipeline->AddSystem<InterpolationSystem>(updateOrderLevel);
     m_SystemPipeline->AddSystem<SpawnerSystem>(updateOrderLevel);

src/Game/Systems/HealthSystem.cpp

@@ -12,7 +12,6 @@ HealthSystem::HealthSystem(World* m_World, EventBroker* eventBroker)
 void HealthSystem::UpdateComponent(EntityWrapper& entity, ComponentWrapper& component, double dt)
 {
     //if entityID of health is 9 then the players ID is also 9 (player,health are connected to the same entity)
-    ComponentWrapper player = m_World->GetComponent(component.EntityID, "Player");
     double maxHealth = (double)component["MaxHealth"];
 
     //process the DeltaHealthVector and change the entitys health accordingly

src/Game/Systems/WeaponSystem.cpp

@@ -46,6 +46,7 @@ bool WeaponSystem::OnInputCommand(const Events::InputCommand& e)
 
 bool WeaponSystem::OnShoot(const Events::Shoot& eShoot) {
     // Screen center, based on current resolution!
+    //TODO: check if player has enough ammo and if weapon has a cooldown or not
     Rectangle screenResolution = m_Renderer->Resolution();
     glm::vec2 centerScreen = glm::vec2(screenResolution.Width / 2, screenResolution.Height / 2);