Merge pull request #44 from teamfisk/EditorUsefulness

Editor refactoring

include/Engine/Core/ComponentInfo.h

@@ -5,12 +5,14 @@
 
 struct ComponentInfo
 {
+    typedef int EnumType;
+
 	struct Meta_t
 	{
 		std::string Annotation;
 		unsigned int Allocation = 0;
         std::map<std::string, std::string> FieldAnnotations;
-        std::map<std::string, std::map<std::string, int>> FieldEnumDefinitions;
+        std::map<std::string, std::map<std::string, EnumType>> FieldEnumDefinitions;
 	};
 
     struct Field_t

include/Engine/Core/ComponentWrapper.h

@@ -18,7 +18,7 @@ struct ComponentWrapper
     const ::EntityID EntityID;
     char* Data;
 
-    int Enum(const char* fieldName, const char* enumKey)
+    ComponentInfo::EnumType Enum(const char* fieldName, const char* enumKey)
     {
         return Info.Meta->FieldEnumDefinitions.at(fieldName).at(enumKey);
     }
@@ -58,7 +58,7 @@ struct ComponentWrapper
 
     public:
         // Return the integer value of an enum type key for this field
-        int Enum(const char* enumKey) { return m_Component->Enum(m_PropertyName.c_str(), enumKey); }
+        ComponentInfo::EnumType Enum(const char* enumKey) { return m_Component->Enum(m_PropertyName.c_str(), enumKey); }
 
         template <typename T>
         operator T&() { return m_Component->Field<T>(m_PropertyName); }

include/Engine/Core/EKeyDown.h

@@ -11,6 +11,9 @@ struct KeyDown : Event
 {
 	/** GLFW key code */
 	int KeyCode;
+    bool ModCtrl;
+    bool ModAlt;
+    bool ModShift;
 };
 
 }

include/Engine/Core/EKeyUp.h

@@ -11,6 +11,9 @@ struct KeyUp : Event
 {
 	/** GLFW key code */
 	int KeyCode;
+    bool ModCtrl;
+    bool ModAlt;
+    bool ModShift;
 };
 
 }

include/Engine/Core/EPause.h

@@ -0,0 +1,22 @@
+#ifndef EPause_h__
+#define EPause_h__
+
+#include "EventBroker.h"
+#include "World.h"
+
+namespace Events
+{
+
+struct Pause : Event 
+{
+    ::World* World;
+};
+
+struct Resume : Event 
+{
+    ::World* World;
+};
+
+}
+
+#endif

include/Engine/Core/EntityWrapper.h

@@ -2,6 +2,7 @@
 #define EntityWrapper_h__
 
 #include <boost/optional.hpp>
+#include <boost/functional/hash.hpp>
 #include "ComponentWrapper.h"
 
 class World;
@@ -23,10 +24,28 @@ struct EntityWrapper
     static const EntityWrapper Invalid;
 
     bool HasComponent(const std::string& componentName);
+    EntityWrapper Parent();
+    bool Valid();
 
-    ComponentWrapper operator[](const std::string& componentName);
-    bool operator==(const EntityWrapper& e);
-    explicit operator EntityID();
+    ComponentWrapper operator[](const char* componentName);
+    bool operator==(const EntityWrapper& e) const;
+    bool operator!=(const EntityWrapper& e) const;
+    explicit operator EntityID() const;
+    operator bool();
 };
 
+namespace std
+{
+	template<> struct hash<EntityWrapper>
+	{
+		std::size_t operator()(const EntityWrapper& e) const
+		{
+            std::size_t seed = 0;
+            boost::hash_combine(seed, e.World);
+            boost::hash_combine(seed, e.ID);
+            return seed;
+		}
+	};
+}
+
 #endif

include/Engine/Core/System.h

@@ -11,14 +11,14 @@ class System
     friend class SystemPipeline;
 
 protected:
-    System()
-        : m_EventBroker(nullptr)
-    { }
-    System(EventBroker* eventBroker)
-        : m_EventBroker(eventBroker)
+    System(World* world, EventBroker) { }
+    System(World* world, EventBroker* eventBroker)
+        : m_World(world)
+        , m_EventBroker(eventBroker)
     { }
     virtual ~System() = default;
 
+    World* m_World;
     EventBroker* m_EventBroker;
 };
 
@@ -34,7 +34,7 @@ protected:
 
     const std::string m_ComponentType;
 
-    virtual void UpdateComponent(World* world, EntityWrapper& entity, ComponentWrapper& component, double dt) = 0;
+    virtual void UpdateComponent(EntityWrapper& entity, ComponentWrapper& cComponent, double dt) = 0;
 };
 
 class ImpureSystem : public virtual System
@@ -45,7 +45,7 @@ protected:
     ImpureSystem() = default;
     virtual ~ImpureSystem() = default;
 
-    virtual void Update(World* world, double dt) = 0;
+    virtual void Update(double dt) = 0;
 };
 
 #endif

include/Engine/Core/SystemPipeline.h

@@ -5,13 +5,19 @@
 #include "EventBroker.h"
 #include "System.h"
 #include "World.h"
+#include "EPause.h"
 
 class SystemPipeline
 {
 public:
-    SystemPipeline(EventBroker* eventBroker)
-        : m_EventBroker(eventBroker)
-    { }
+    SystemPipeline(World* world, EventBroker* eventBroker)
+        : m_World(world)
+        , m_EventBroker(eventBroker)
+    {
+        EVENT_SUBSCRIBE_MEMBER(m_EPause, &SystemPipeline::OnPause);
+        EVENT_SUBSCRIBE_MEMBER(m_EResume, &SystemPipeline::OnResume);
+    }
+
     ~SystemPipeline()
     {
         for (UnorderedSystems& group : m_OrderedSystemGroups) {
@@ -29,7 +35,7 @@ public:
             m_OrderedSystemGroups.resize(updateOrderLevel + 1);
         }
         UnorderedSystems& group = m_OrderedSystemGroups[updateOrderLevel];
-        System* system = new T(m_EventBroker, args...);
+        System* system = new T(m_World, m_EventBroker, args...);
         group.Systems[typeid(T).name()] = system;
 
         PureSystem* pureSystem = dynamic_cast<PureSystem*>(system);
@@ -47,8 +53,12 @@ public:
         }
     }
 
-    void Update(World* world, double dt)
+    void Update(double dt)
     {
+        if (m_Paused) {
+            dt = 0.0;
+        }
+
         for (UnorderedSystems& group : m_OrderedSystemGroups) {
             // Process events
             for (auto& pair : group.Systems) {
@@ -57,18 +67,18 @@ public:
 
             // Update
             for (auto& system : group.ImpureSystems) {
-                system->Update(world, dt);
+                system->Update(dt);
             }
             for (auto& pair : group.PureSystems) {
                 const std::string& componentName = pair.first;
                 auto& systems = pair.second;
-                const ComponentPool* pool = world->GetComponents(componentName);
+                const ComponentPool* pool = m_World->GetComponents(componentName);
                 if (pool == nullptr) {
                     continue;
                 }
                 for (auto& component : *pool) {
                     for (auto& system : systems) {
-                        system->UpdateComponent(world, EntityWrapper(world, component.EntityID), component, dt);
+                        system->UpdateComponent(EntityWrapper(m_World, component.EntityID), component, dt);
                     }
                 }
             }
@@ -76,7 +86,10 @@ public:
     }
 
 private:
+    World* m_World;
     EventBroker* m_EventBroker;
+    bool m_Paused = false;
+
     struct UnorderedSystems
     {
         std::map<std::string, System*> Systems;
@@ -84,6 +97,21 @@ private:
         std::vector<ImpureSystem*> ImpureSystems;
     };
     std::vector<UnorderedSystems> m_OrderedSystemGroups;
+
+    EventRelay<SystemPipeline, Events::Pause> m_EPause;
+    bool OnPause(const Events::Pause& e) { 
+        if (e.World == m_World) { 
+            m_Paused = true; 
+        }
+        return true;
+    }
+    EventRelay<SystemPipeline, Events::Resume> m_EResume;
+    bool OnResume(const Events::Resume& e) {
+        if (e.World == m_World) {
+            m_Paused = false;
+        }
+        return true;
+    }
 };
 
 #endif

include/Engine/Core/UniformScaleSystem.h

@@ -0,0 +1,22 @@
+#ifndef UniformScaleSystem_h__
+#define UniformScaleSystem_h__
+
+#include "../GLM.h"
+#include "System.h"
+#include "../Rendering/ESetCamera.h"
+
+class UniformScaleSystem : public PureSystem
+{
+public:
+    UniformScaleSystem(World* world, EventBroker* eventBroker);
+
+    virtual void UpdateComponent(EntityWrapper& entity, ComponentWrapper& cUniformScale, double dt) override;
+
+private:
+    EntityWrapper m_Camera = EntityWrapper::Invalid;
+
+    EventRelay<UniformScaleSystem, Events::SetCamera> m_ESetCamera;
+    bool OnSetCamera(const Events::SetCamera& e);
+};
+
+#endif