Merge branch 'master' into OctTree

# Conflicts:
#	src/Engine/CMakeLists.txt
#	src/Game/Game.cpp

include/Engine/Core/ComponentPool.h

@@ -54,6 +54,8 @@ public:
     ComponentWrapper Allocate(EntityID entity);
     // Get the component belonging to a specific entity
     ComponentWrapper GetByEntity(EntityID ent);
+    // Returns true if the pool contains a component for the specified entity
+    bool KnowsEntity(EntityID ent);
     // Delete a component and free its memory
     void Delete(ComponentWrapper& wrapper);
 

include/Engine/Core/ConfigFile.h

@@ -5,6 +5,7 @@
 #include <boost/filesystem.hpp>
 #include <boost/property_tree/ptree.hpp>
 #include <boost/property_tree/ini_parser.hpp>
+#include <boost/lexical_cast.hpp>
 
 #include "../Common.h"
 #include "ResourceManager.h"
@@ -19,12 +20,14 @@ private:
 public:
 	template <typename T>
 	T Get(std::string key, T defaultValue);
+    template <typename T>
+    std::vector<std::pair<std::string, T>> GetAll(std::string key);
 	template <typename T>
 	void Set(std::string key, T value);
 
 	void SaveToDisk();
 
-	private:
+private:
 	boost::filesystem::path m_Path;
 	boost::property_tree::ptree m_PTreeDefaults;
 	boost::property_tree::ptree m_PTreeOverrides;
@@ -37,6 +40,21 @@ T ConfigFile::Get(std::string key, T defaultValue)
 	return m_PTreeMerged.get<T>(key, defaultValue);
 }
 
+template <typename T>
+std::vector<std::pair<std::string, T>> ConfigFile::GetAll(std::string key)
+{
+    std::vector<std::pair<std::string, T>> out;
+    auto parent = m_PTreeMerged.find(key);
+    if (parent == m_PTreeMerged.not_found()) {
+        return out;
+    }
+    for (auto& child : parent->second) {
+        T value = boost::lexical_cast<T>(child.second.data());
+        out.push_back(std::make_pair(child.first, value));
+    }
+    return out;
+}
+
 template <typename T>
 void ConfigFile::Set(std::string key, T value)
 {

include/Engine/Core/EKeyboardChar.h

@@ -0,0 +1,17 @@
+#ifndef Events_KeyboardChar_h__
+#define Events_KeyboardChar_h__
+
+#include "EventBroker.h"
+
+namespace Events
+{
+
+struct KeyboardChar : Event
+{
+    double Timestamp = 0.f;
+	unsigned int Char = 0;
+};
+
+}
+
+#endif

include/Engine/Core/EMouseScroll.h

@@ -0,0 +1,17 @@
+#ifndef Events_MouseScroll_h__
+#define Events_MouseScroll_h__
+
+#include "EventBroker.h"
+
+namespace Events
+{
+
+struct MouseScroll : Event
+{
+    double DeltaX;
+    double DeltaY;
+};
+
+}
+
+#endif

include/Engine/Core/InputController.h

@@ -11,25 +11,22 @@ template <typename EventContext>
 class InputController
 {
 public:
-	InputController(std::shared_ptr<dd::EventBroker> eventBroker)
-		: EventBroker(eventBroker)
+	InputController(EventBroker* eventBroker)
+		: m_EventBroker(eventBroker)
 	{ Initialize(); }
 
 	virtual void Initialize()
 	{
 		EVENT_SUBSCRIBE_MEMBER(m_EInputCommand, &InputController::OnCommand);
-		EVENT_SUBSCRIBE_MEMBER(m_EMouseMove, &InputController::OnMouseMove);
 	}
 
-	virtual bool OnCommand(const Events::InputCommand &event) { return false; }
-	virtual bool OnMouseMove(const Events::MouseMove &event) { return false; }
+	virtual bool OnCommand(const Events::InputCommand& e) { return false; }
 
 protected:
-	std::shared_ptr<dd::EventBroker> EventBroker;
+	EventBroker* m_EventBroker;
 
 private:
 	EventRelay<EventContext, Events::InputCommand> m_EInputCommand;
-	EventRelay<EventContext, Events::MouseMove> m_EMouseMove;
 };
 
 #endif

include/Engine/Core/InputManager.h

@@ -8,9 +8,11 @@
 #include "EventBroker.h"
 #include "EKeyDown.h"
 #include "EKeyUp.h"
+#include "EKeyboardChar.h"
 #include "EMousePress.h"
 #include "EMouseRelease.h"
 #include "EMouseMove.h"
+#include "EMouseScroll.h"
 #include "ELockMouse.h"
 #include "EGamepadAxis.h"
 #include "EGamepadButton.h"
@@ -64,6 +66,11 @@ private:
 
 	void PublishGamepadAxisIfChanged(int gamepadID, Gamepad::Axis axis);
 	void PublishGamepadButtonIfChanged(int gamepadID, Gamepad::Button button);
+
+    static std::vector<unsigned int> GLFWCharCallbackQueue;
+    static void GLFWCharCallback(GLFWwindow* window, unsigned int c);
+    static std::vector<std::pair<double, double>> GLFWScrollCallbackQueue;
+    static void GLFWScrollCallback(GLFWwindow* window, double xoffset, double yoffset);
 };
 
 #endif

include/Engine/Core/System.h

@@ -7,19 +7,39 @@
 
 class System
 {
-    friend class SystemPipeline;
-
-public:
-    System(EventBroker* eventBroker, std::string componentType)
+protected:
+    System(EventBroker* eventBroker)
         : m_EventBroker(eventBroker)
-        , m_ComponentType(componentType)
     { }
 
-    virtual void Update(World* world, ComponentWrapper& component, double dt) = 0;
-
-protected:
-    std::string m_ComponentType;
     EventBroker* m_EventBroker;
 };
 
+class PureSystem : public System
+{
+    friend class SystemPipeline;
+
+protected:
+    PureSystem(EventBroker* eventBroker, std::string componentType)
+        : System(eventBroker)
+        , m_ComponentType(componentType)
+    { }
+
+    const std::string m_ComponentType;
+
+    virtual void UpdateComponent(World* world, ComponentWrapper& component, double dt) = 0;
+};
+
+class ImpureSystem : public System
+{
+    friend class SystemPipeline;
+
+protected:
+    ImpureSystem(EventBroker* eventBroker)
+        : System(eventBroker)
+    { }
+
+    virtual void Update(World* world, double dt) = 0;
+};
+
 #endif

include/Engine/Core/SystemPipeline.h

@@ -14,7 +14,7 @@ public:
     { }
     ~SystemPipeline()
     {
-        for (auto& pair : m_Systems) {
+        for (auto& pair : m_PureSystems) {
             for (auto& system : pair.second) {
                 delete system;
             }
@@ -25,17 +25,32 @@ public:
     void AddSystem(Arguments... args)
     {
         System* system = new T(m_EventBroker, args...);
-        if (!system->m_ComponentType.empty()) {
-            m_Systems[system->m_ComponentType].push_back(system);
-        } else {
-            LOG_ERROR("Failed to add system \"%s\": Missing component type!", typeid(T).name());
-            delete system;
+        m_Systems[typeid(T).name()] = system;
+
+        if (std::is_base_of<PureSystem, T>::value) {
+            PureSystem* pureSystem = static_cast<PureSystem*>(system);
+            if (!pureSystem->m_ComponentType.empty()) {
+                m_PureSystems[pureSystem->m_ComponentType].push_back(pureSystem);
+            } else {
+                LOG_ERROR("Failed to add pure system \"%s\": Missing component type!", typeid(T).name());
+            }
+        }
+
+        if (std::is_base_of<ImpureSystem, T>::value) {
+            ImpureSystem* impureSystem = static_cast<ImpureSystem*>(system);
+            m_ImpureSystems.push_back(impureSystem);
         }
     }
 
     void Update(World* world, double dt)
     {
+        // Process events
         for (auto& pair : m_Systems) {
+            m_EventBroker->Process(pair.first);
+        }
+
+        // Update
+        for (auto& pair : m_PureSystems) {
             const std::string& componentName = pair.first;
             auto& systems = pair.second;
             const ComponentPool* pool = world->GetComponents(componentName);
@@ -44,15 +59,20 @@ public:
             }
             for (auto& component : *pool) {
                 for (auto& system : systems) {
-                    system->Update(world, component, dt);
+                    system->UpdateComponent(world, component, dt);
                 }
             }
         }
+        for (auto& system : m_ImpureSystems) {
+            system->Update(world, dt);
+        }
     }
 
 private:
     EventBroker* m_EventBroker;
-    std::unordered_map<std::string, std::vector<System*>> m_Systems;
+    std::map<std::string, System*> m_Systems;
+    std::map<std::string, std::vector<PureSystem*>> m_PureSystems;
+    std::vector<ImpureSystem*> m_ImpureSystems;
 };
 
 #endif

include/Engine/Core/World.h

@@ -14,17 +14,27 @@ public:
 
     // Create empty entity
     EntityID CreateEntity(EntityID parent = 0);
+    // Delete entity and all components within
+    void DeleteEntity(EntityID entity);
 
     // Register a component type and allocate space for it
     void RegisterComponent(ComponentInfo& ci);
     // Attach a component to an entity and fill it with default values
     ComponentWrapper AttachComponent(EntityID entity, std::string componentType);
+    // Check if an entity has a component
+    bool HasComponent(EntityID entity, std::string componentType);
     // Get a component of an entity
     ComponentWrapper GetComponent(EntityID entity, std::string componentType);
+    // Delete a component off an entity
+    void DeleteComponent(EntityID entity, std::string componentType);
     // Get all components of the specified type
     const ComponentPool* GetComponents(std::string componentType);
     // Get entity parent
     EntityID GetParent(EntityID entity);
+    // Get all component pools
+    const std::unordered_map<std::string, ComponentPool*>& GetComponentPools() const { return m_ComponentPools; }
+    // Get the entity children map
+    const std::unordered_multimap<EntityID, EntityID>& GetEntityChildren() const { return m_EntityChildren; }
 
 private:
     EntityID m_CurrentEntityID = 1;