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

# Conflicts:
#	README.md
#	resources/Schema/Components.xsd
#	resources/Schema/Types/Entity.xsd

src/Game/CMakeLists.txt

@@ -19,6 +19,7 @@ file(GLOB SOURCE_FILES
 set(SOURCE_FILES
     ${SOURCE_FILES}
     "Game.cpp"
+    "HealthSystem.cpp"
 	"PlayerSystem.cpp"
 )
 

src/Game/Game.cpp

@@ -1,6 +1,8 @@
 #include "Game.h"
 #include "Collision/TriggerSystem.h"
 #include "Collision/CollisionSystem.h"
+#include "Game/HealthSystem.h"
+#include "Core/EntityFileWriter.h"
 
 Game::Game(int argc, char* argv[])
 {
@@ -8,8 +10,8 @@ Game::Game(int argc, char* argv[])
     ResourceManager::RegisterType<Sound>("Sound");
     ResourceManager::RegisterType<Model>("Model");
     ResourceManager::RegisterType<Texture>("Texture");
-    ResourceManager::RegisterType<EntityXMLFile>("EntityXMLFile");
     ResourceManager::RegisterType<ShaderProgram>("ShaderProgram");
+    ResourceManager::RegisterType<EntityFile>("EntityFile");
 
     m_Config = ResourceManager::Load<ConfigFile>("Config.ini");
     LOG_LEVEL = static_cast<_LOG_LEVEL>(m_Config->Get<int>("Debug.LogLevel", 1));
@@ -28,7 +30,7 @@ Game::Game(int argc, char* argv[])
         0,
         m_Config->Get<int>("Video.Width", 1280),
         m_Config->Get<int>("Video.Height", 720)
-    ));
+        ));
     m_Renderer->Initialize();
     m_Renderer->Camera()->SetFOV(glm::radians(m_Config->Get<float>("Video.FOV", 90.f)));
 
@@ -48,16 +50,27 @@ Game::Game(int argc, char* argv[])
     m_World = new World();
     std::string mapToLoad = m_Config->Get<std::string>("Debug.LoadMap", "");
     if (!mapToLoad.empty()) {
-        ResourceManager::Load<EntityXMLFile>(mapToLoad)->PopulateWorld(m_World);
+        auto file = ResourceManager::Load<EntityFile>(mapToLoad);
+        EntityFilePreprocessor fpp(file);
+        fpp.RegisterComponents(m_World);
+        EntityFileParser fp(file);
+        fp.MergeEntities(m_World);
     }
 
     // Create system pipeline
     m_SystemPipeline = new SystemPipeline(m_EventBroker);
-    m_SystemPipeline->AddSystem<RaptorCopterSystem>();
-    m_SystemPipeline->AddSystem<PlayerSystem>();
-    m_SystemPipeline->AddSystem<EditorSystem>(m_Renderer);
-    m_SystemPipeline->AddSystem<CollisionSystem>();
-    m_SystemPipeline->AddSystem<TriggerSystem>();
+
+    //All systems with orderlevel 0 will be updated first.
+    unsigned int updateOrderLevel = 0;
+    m_SystemPipeline->AddSystem<RaptorCopterSystem>(updateOrderLevel);
+    m_SystemPipeline->AddSystem<PlayerSystem>(updateOrderLevel);
+    m_SystemPipeline->AddSystem<EditorSystem>(updateOrderLevel, m_Renderer);
+    m_SystemPipeline->AddSystem<HealthSystem>(updateOrderLevel);
+
+    //Collision and TriggerSystem should update after player.
+    ++updateOrderLevel;
+    m_SystemPipeline->AddSystem<CollisionSystem>(updateOrderLevel);
+    m_SystemPipeline->AddSystem<TriggerSystem>(updateOrderLevel);
 
     // Invoke network
     if (m_Config->Get<bool>("Networking.StartNetwork", false)) {

src/Game/HealthSystem.cpp

@@ -0,0 +1,59 @@
+#include "HealthSystem.h"
+#include <algorithm>
+
+HealthSystem::HealthSystem(EventBroker* eventBroker)
+    : PureSystem(eventBroker, "Health")
+{
+    //subscribe/listenTo playerdamage,healthpickup events (using the eventBroker)
+    EVENT_SUBSCRIBE_MEMBER(m_EPlayerDamage, &HealthSystem::OnPlayerDamaged);
+    EVENT_SUBSCRIBE_MEMBER(m_EPlayerHealthPickup, &HealthSystem::OnPlayerHealthPickup);
+}
+
+void HealthSystem::UpdateComponent(World *world, ComponentWrapper &health, 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 = world->GetComponent(health.EntityID, "Player");
+    double maxHealth = (double)health["MaxHealth"];
+
+    //process the DeltaHealthVector and change the entitys health accordingly
+    for (size_t i = m_DeltaHealthVector.size(); i > 0; i--)
+    {
+        auto deltaHP = m_DeltaHealthVector[i - 1];
+        //if we have a healthchange for the current player and health is greater than 0, then apply it
+        if (std::get<0>(deltaHP) == player.EntityID && (double)health["Health"] > 0.0f) {
+            //get the deltaHP value from the tuple and make sure you dont get more than maxHealth
+            double newHealth = std::min((double)health["Health"] + (double)std::get<1>(deltaHP), maxHealth);
+            health["Health"] = newHealth;
+            m_DeltaHealthVector.erase(m_DeltaHealthVector.begin() + i - 1);
+            //check if health is <= 0
+            if ((double)health["Health"] <= 0.0f) {
+                //publish death event
+                Events::PlayerDeath e;
+                e.PlayerID = player.EntityID;
+                m_EventBroker->Publish(e);
+                //clear the remaining hpDeltas for the dead player
+                for (size_t j = m_DeltaHealthVector.size(); j > 0; j--)
+                {
+                    if (std::get<0>(m_DeltaHealthVector[j - 1]) == player.EntityID)
+                        m_DeltaHealthVector.erase(m_DeltaHealthVector.begin() + j - 1);
+                }
+                //break the loop if the player is dead
+                break;
+            }
+        }
+    }
+}
+
+bool HealthSystem::OnPlayerDamaged(const Events::PlayerDamage& e)
+{
+    //save the changed HP to a vector. it will be taken care of in UpdateComponent
+    m_DeltaHealthVector.push_back(std::make_tuple(e.PlayerDamagedID, -e.DamageAmount));
+    return true;
+}
+
+bool HealthSystem::OnPlayerHealthPickup(const Events::PlayerHealthPickup& e)
+{
+    //save the changed HP to a vector. it will be taken care of in UpdateComponent
+    m_DeltaHealthVector.push_back(std::make_tuple(e.PlayerHealedID, e.HealthAmount));
+    return true;
+}