Merge remote-tracking branch 'origin/master' into WeaponSystem

# Conflicts:
#	include/Engine/Collision/FillFrustumOctreeSystem.h
#	include/Engine/Core/Octree.h
#	include/Engine/Rendering/RenderSystem.h
#	include/Game/Game.h
#	resources/DefaultInput.ini
#	resources/Schema/Components.xsd
#	resources/Schema/Entities/Player.xml
#	resources/Schema/Types/Entity.xsd
#	src/Engine/Rendering/RenderSystem.cpp
#	src/Game/Game.cpp
#	src/Game/Systems/PlayerMovementSystem.cpp

src/Game/Systems/PickupSpawnSystem.cpp

@@ -0,0 +1,66 @@
+#include "Systems/PickupSpawnSystem.h"
+
+PickupSpawnSystem::PickupSpawnSystem(SystemParams params)
+    : System(params)
+{
+    EVENT_SUBSCRIBE_MEMBER(m_ETriggerTouch, &PickupSpawnSystem::OnTriggerTouch);
+}
+
+void PickupSpawnSystem::Update(double dt)
+{
+    for (auto it = m_ETriggerTouchVector.begin(); it != m_ETriggerTouchVector.end(); ++it)
+    {
+        auto& healthPickupPosition = *it;
+        //set the double timer value (value 3)
+        healthPickupPosition.DecreaseThisRespawnTimer -= dt;
+        if (healthPickupPosition.DecreaseThisRespawnTimer < 0) {
+            //spawn and delete the vector item
+            auto entityFile = ResourceManager::Load<EntityFile>("Schema/Entities/HealthPickup.xml");
+            EntityFileParser parser(entityFile);
+            EntityID healthPickupID = parser.MergeEntities(m_World);
+
+            //let the world know a pickup has spawned (graphics effects, etc)
+            Events::PickupSpawned ePickupSpawned;
+            ePickupSpawned.Pickup = EntityWrapper(m_World, healthPickupID);
+            m_EventBroker->Publish(ePickupSpawned);
+
+            //set values from the old entity to the new entity
+            auto& newHealthPickupEntity = EntityWrapper(m_World, healthPickupID);
+            newHealthPickupEntity["Transform"]["Position"] = healthPickupPosition.Pos;
+            newHealthPickupEntity["HealthPickup"]["HealthGain"] = healthPickupPosition.HealthGain;
+            newHealthPickupEntity["HealthPickup"]["RespawnTimer"] = healthPickupPosition.RespawnTimer;
+
+            //erase the current element (healthPickupPosition)
+            m_ETriggerTouchVector.erase(it);
+            break;
+        }
+    }
+}
+
+
+bool PickupSpawnSystem::OnTriggerTouch(Events::TriggerTouch& e)
+{
+    if (!e.Trigger.HasComponent("HealthPickup")) {
+        return false;
+    }
+    double healthGiven = 0.01*(double)e.Trigger["HealthPickup"]["HealthGain"] * (double)e.Entity["Health"]["MaxHealth"];
+    //cant pick up healthpacks if you are already at MaxHealth
+    if ((double)e.Entity["Health"]["Health"] >= (double)e.Entity["Health"]["MaxHealth"]) {
+        return false;
+    }
+
+    //personEntered = e.Entity, thingEntered = e.Trigger
+    Events::PlayerHealthPickup ePlayerHealthPickup;
+    ePlayerHealthPickup.HealthAmount = healthGiven;
+    ePlayerHealthPickup.Player = e.Entity;
+    m_EventBroker->Publish(ePlayerHealthPickup);
+
+    //copy position, healthgain, respawntimer (twice since one of the values will be counted down to 0, the other will be set in the new object)
+    //we need to copy all values since each value can be different for each healthPickup
+    m_ETriggerTouchVector.push_back({ (glm::vec3)e.Trigger["Transform"]["Position"] ,e.Trigger["HealthPickup"]["HealthGain"],
+        e.Trigger["HealthPickup"]["RespawnTimer"],e.Trigger["HealthPickup"]["RespawnTimer"] });
+
+    //delete the healthpickup
+    m_World->DeleteEntity(e.Trigger.ID);
+    return true;
+}