SHADE_Engine/src/Editor/SHEditorUI.cpp

@@ -4,9 +4,9 @@
 \par            email: kahwei.tng\@digipen.edu
 \date           Nov 7, 2021
 \brief          Contains the implementation of the EditorUI class.
- 
+
 Copyright (C) 2021 DigiPen Institute of Technology.
-Reproduction or disclosure of this file or its contents without the prior written consent 
+Reproduction or disclosure of this file or its contents without the prior written consent
 of DigiPen Institute of Technology is prohibited.
 *//*************************************************************************************/
 // Precompiled Header
@@ -57,10 +57,10 @@ namespace SHADE
   {
     const bool OPENED = ImGui::CollapsingHeader(title.c_str(), ImGuiTreeNodeFlags_DefaultOpen);
     if (isHovered)
-        *isHovered = ImGui::IsItemHovered();
+      *isHovered = ImGui::IsItemHovered();
     return OPENED;
   }
-  
+
   void SHEditorUI::SameLine()
   {
     ImGui::SameLine();
@@ -98,7 +98,7 @@ namespace SHADE
 
   void SHEditorUI::EndTooltip()
   {
-      ImGui::EndTooltip();
+    ImGui::EndTooltip();
   }
 
   /*-----------------------------------------------------------------------------------*/
@@ -146,7 +146,7 @@ namespace SHADE
 
   bool SHEditorUI::Selectable(const std::string& label)
   {
-  return ImGui::Selectable(label.data());
+    return ImGui::Selectable(label.data());
   }
 
   bool SHEditorUI::Selectable(const std::string& label, const char* icon)
@@ -156,30 +156,41 @@ namespace SHADE
 
   bool SHEditorUI::InputCheckbox(const std::string& label, bool& value, bool* isHovered)
   {
-    ImGui::Text(label.c_str());
+    if (!label.empty())
+    {
+      ImGui::Text(label.c_str());
+      ImGui::SameLine();
+    }
     if (isHovered)
-        *isHovered = ImGui::IsItemHovered();
+      *isHovered = ImGui::IsItemHovered();
-    ImGui::SameLine();
     return ImGui::Checkbox("##", &value);
   }
   bool SHEditorUI::InputInt(const std::string& label, int& value, bool* isHovered)
   {
-    ImGui::Text(label.c_str());
+    if (!label.empty())
+    {
+      ImGui::Text(label.c_str());
+      ImGui::SameLine();
+    }
     if (isHovered)
-        *isHovered = ImGui::IsItemHovered();
+      *isHovered = ImGui::IsItemHovered();
     ImGui::SameLine();
     return ImGui::DragInt("##", &value, 0.001f,
-                           std::numeric_limits<int>::min(),
+      std::numeric_limits<int>::min(),
-                           std::numeric_limits<int>::max(),
+      std::numeric_limits<int>::max(),
-                           "%d",
+      "%d",
-                           ImGuiInputTextFlags_EnterReturnsTrue);
+      ImGuiInputTextFlags_EnterReturnsTrue);
   }
   bool SHEditorUI::InputUnsignedInt(const std::string& label, unsigned int& value, bool* isHovered)
   {
     int signedVal = static_cast<int>(value);
-    ImGui::Text(label.c_str());
+    if (!label.empty())
+    {
+      ImGui::Text(label.c_str());
+      ImGui::SameLine();
+    }
     if (isHovered)
-        *isHovered = ImGui::IsItemHovered();
+      *isHovered = ImGui::IsItemHovered();
     ImGui::SameLine();
     const bool CHANGED = InputInt("##", signedVal);
     if (CHANGED)
@@ -191,15 +202,19 @@ namespace SHADE
   }
   bool SHEditorUI::InputFloat(const std::string& label, float& value, bool* isHovered)
   {
-    ImGui::Text(label.c_str());
+    if (!label.empty())
+    {
+      ImGui::Text(label.c_str());
+      ImGui::SameLine();
+    }
     if (isHovered)
-        *isHovered = ImGui::IsItemHovered();
+      *isHovered = ImGui::IsItemHovered();
     ImGui::SameLine();
     return ImGui::DragFloat("##", &value, 0.001f,
-                             std::numeric_limits<float>::lowest(), 
+      std::numeric_limits<float>::lowest(),
-                             std::numeric_limits<float>::max(),
+      std::numeric_limits<float>::max(),
-                             "%.3f",
+      "%.3f",
-                             ImGuiInputTextFlags_EnterReturnsTrue);
+      ImGuiInputTextFlags_EnterReturnsTrue);
   }
   bool SHEditorUI::InputDouble(const std::string& label, double& value, bool* isHovered)
   {
@@ -213,48 +228,56 @@ namespace SHADE
   }
   bool SHEditorUI::InputSlider(const std::string& label, int min, int max, int& value, bool* isHovered /*= nullptr*/)
   {
+    if (!label.empty())
+    {
       ImGui::Text(label.c_str());
-      if (isHovered)
-          *isHovered = ImGui::IsItemHovered();
       ImGui::SameLine();
-      return ImGui::SliderInt("##", &value,
+    }
-          static_cast<float>(min), static_cast<float>(max), "%d",
+    if (isHovered)
-          ImGuiInputTextFlags_EnterReturnsTrue);
+      *isHovered = ImGui::IsItemHovered();
+    ImGui::SameLine();
+    return ImGui::SliderInt("##", &value,
+      static_cast<float>(min), static_cast<float>(max), "%d",
+      ImGuiInputTextFlags_EnterReturnsTrue);
   }
 
   bool SHEditorUI::InputSlider(const std::string& label, unsigned int min, unsigned int max, unsigned int& value, bool* isHovered /*= nullptr*/)
   {
-      int val = static_cast<int>(value);
+    int val = static_cast<int>(value);
-      const bool CHANGED = InputSlider(label, min, max, val, isHovered);
+    const bool CHANGED = InputSlider(label, min, max, val, isHovered);
-      if (CHANGED)
+    if (CHANGED)
-      {
+    {
-          value = static_cast<int>(val);
+      value = static_cast<int>(val);
-      }
+    }
 
-      return CHANGED;
+    return CHANGED;
   }
 
   bool SHEditorUI::InputSlider(const std::string& label, float min, float max, float& value, bool* isHovered)
   {
+    if (!label.empty())
+    {
       ImGui::Text(label.c_str());
-      if (isHovered)
-          *isHovered = ImGui::IsItemHovered();
       ImGui::SameLine();
-      return ImGui::SliderFloat("##", &value,
+    }
-          static_cast<float>(min), static_cast<float>(max), "%.3f",
+    if (isHovered)
-          ImGuiInputTextFlags_EnterReturnsTrue);
+      *isHovered = ImGui::IsItemHovered();
+    ImGui::SameLine();
+    return ImGui::SliderFloat("##", &value,
+      static_cast<float>(min), static_cast<float>(max), "%.3f",
+      ImGuiInputTextFlags_EnterReturnsTrue);
   }
 
   bool SHEditorUI::InputSlider(const std::string& label, double min, double max, double& value, bool* isHovered /*= nullptr*/)
   {
-      float val = static_cast<float>(value);
+    float val = static_cast<float>(value);
-      const bool CHANGED = InputSlider(label, min, max, val, isHovered);
+    const bool CHANGED = InputSlider(label, min, max, val, isHovered);
-      if (CHANGED)
+    if (CHANGED)
-      {
+    {
-          value = static_cast<double>(val);
+      value = static_cast<double>(val);
-      }
+    }
 
-      return CHANGED;
+    return CHANGED;
   }
 
   bool SHEditorUI::InputVec2(const std::string& label, SHVec2& value, bool* isHovered)
@@ -264,7 +287,7 @@ namespace SHADE
   }
   bool SHEditorUI::InputVec3(const std::string& label, SHVec3& value, bool* isHovered)
   {
-    static const std::vector<std::string> COMPONENT_LABELS = { "X", "Y", "Z"};
+    static const std::vector<std::string> COMPONENT_LABELS = { "X", "Y", "Z" };
     return SHEditorWidgets::DragN<float, 3>(label, COMPONENT_LABELS, { &value.x, &value.y, &value.z }, 0.1f, "%.3f", float{}, float{}, 0, isHovered);
   }
 
@@ -272,9 +295,13 @@ namespace SHADE
   {
     std::array<char, TEXT_FIELD_MAX_LENGTH> buffer = { '\0' };
     strcpy_s(buffer.data(), TEXT_FIELD_MAX_LENGTH, value.c_str());
-    ImGui::Text(label.c_str());
+    if (!label.empty())
+    {
+      ImGui::Text(label.c_str());
+      ImGui::SameLine();
+    }
     if (isHovered)
-        *isHovered = ImGui::IsItemHovered();
+      *isHovered = ImGui::IsItemHovered();
     ImGui::SameLine();
     const bool CHANGED = ImGui::InputText("##", &buffer[0], TEXT_FIELD_MAX_LENGTH);
     if (CHANGED)
@@ -286,7 +313,11 @@ namespace SHADE
 
   bool SHEditorUI::InputGameObjectField(const std::string& label, uint32_t& value, bool* isHovered, bool alwaysNull)
   {
-    ImGui::Text(label.c_str());
+    if (!label.empty())
+    {
+      ImGui::Text(label.c_str());
+      ImGui::SameLine();
+    }
     if (isHovered)
       *isHovered = ImGui::IsItemHovered();
     ImGui::SameLine();
@@ -326,9 +357,13 @@ namespace SHADE
     const std::string& INITIAL_NAME = v >= static_cast<int>(enumNames.size()) ? "Unknown" : enumNames[v];
     bool b = false;
 
-    ImGui::Text(label.c_str());
+    if (!label.empty())
+    {
+      ImGui::Text(label.c_str());
+      ImGui::SameLine();
+    }
     if (isHovered)
-        *isHovered = ImGui::IsItemHovered();
+      *isHovered = ImGui::IsItemHovered();
     ImGui::SameLine();
     if (ImGui::BeginCombo("##", INITIAL_NAME.c_str(), ImGuiComboFlags_None))
     {

SHADE_Managed/src/Editor/Editor.cxx

@@ -117,6 +117,12 @@ namespace SHADE
 
         // Header
         SHEditorUI::PushID(index);
+        bool enabled = script->Enabled;
+        if (SHEditorUI::InputCheckbox("", enabled))
+        {
+            script->Enabled = enabled;
+        }
+        SHEditorUI::SameLine();
         if (SHEditorUI::CollapsingHeader(LABEL))
         {
             SHEditorUI::PushID(LABEL);

SHADE_Managed/src/Engine/GameObject.cxx

@@ -54,6 +54,14 @@ namespace SHADE
         return GameObject(ENTITY_ID);
     }
 
+    /*---------------------------------------------------------------------------------*/
+    /* Static Properties                                                               */
+    /*---------------------------------------------------------------------------------*/
+    GameObject GameObject::Null::get()
+    {
+        return GameObject();
+    }
+
     /*---------------------------------------------------------------------------------*/
     /* Properties                                                                      */
     /*---------------------------------------------------------------------------------*/

SHADE_Managed/src/Engine/GameObject.hxx

@@ -62,6 +62,17 @@ namespace SHADE
         /// <returns>GameObject that has the specified name. Null if not found.</returns>
         static System::Nullable<GameObject> Find(System::String^ name);
 
+        /*-----------------------------------------------------------------------------*/
+        /* Static Properties                                                           */
+        /*-----------------------------------------------------------------------------*/
+        /// <summary>
+        /// Default empty GameObject.
+        /// </summary>
+        static property GameObject Null
+        {
+            GameObject get();
+        }
+
         /*-----------------------------------------------------------------------------*/
         /* Properties                                                                  */
         /*-----------------------------------------------------------------------------*/

SHADE_Managed/src/Scripts/Script.cxx

@@ -22,6 +22,36 @@ of DigiPen Institute of Technology is prohibited.
 
 namespace SHADE
 {
+    /*---------------------------------------------------------------------------------*/
+    /* Properties                                                                      */
+    /*---------------------------------------------------------------------------------*/
+    GameObject Script::Owner::get()
+    {
+        return owner;
+    }
+    GameObject Script::GameObject::get()
+    {
+        return owner;
+    }
+    bool Script::Enabled::get()
+    {
+        return enabled;
+    }
+    void Script::Enabled::set(bool value)
+    {
+        // Same, don't set
+        if (value == enabled)
+            return;
+
+        enabled = value;
+
+        // There's a change, so call the appropriate function
+        if (enabled)
+            OnEnable();
+        else
+            OnDisable();
+    }
+
     /*---------------------------------------------------------------------------------*/
     /* Component Access Functions                                                      */
     /*---------------------------------------------------------------------------------*/
@@ -104,11 +134,10 @@ namespace SHADE
     /*---------------------------------------------------------------------------------*/
     /* "All-time" Lifecycle Functions                                                  */
     /*---------------------------------------------------------------------------------*/
-    void Script::Initialize(GameObject newOwner)
+    void Script::Initialize(SHADE::GameObject newOwner)
     {
         owner = newOwner;
     }
-
     void Script::OnAttached()
     {
         SAFE_NATIVE_CALL_BEGIN
@@ -131,6 +160,12 @@ namespace SHADE
         awake();
         SAFE_NATIVE_CALL_END(this)
     }
+    void Script::OnEnable()
+    {
+        SAFE_NATIVE_CALL_BEGIN
+        onEnable();
+        SAFE_NATIVE_CALL_END(this)
+    }
     void Script::Start()
     {
         SAFE_NATIVE_CALL_BEGIN
@@ -162,6 +197,12 @@ namespace SHADE
         onDrawGizmos();
         SAFE_NATIVE_CALL_END(this)
     }
+    void Script::OnDisable()
+    {
+        SAFE_NATIVE_CALL_BEGIN
+        onDisable();
+        SAFE_NATIVE_CALL_END(this)
+    }
     void Script::OnDestroy()
     {
         SAFE_NATIVE_CALL_BEGIN
@@ -228,6 +269,7 @@ namespace SHADE
     /* Virtual Lifecycle Functions                                                     */
     /*---------------------------------------------------------------------------------*/
     void Script::awake() {}
+    void Script::onEnable() {}
     void Script::start() {}
     void Script::fixedUpdate() {}
     void Script::update() {}
@@ -236,6 +278,7 @@ namespace SHADE
     {
         OnGizmosDrawOverriden = false;
     }
+    void Script::onDisable() {}
     void Script::onDestroy() {}
 
     /*---------------------------------------------------------------------------------*/

SHADE_Managed/src/Scripts/Script.hxx

@@ -38,11 +38,28 @@ namespace SHADE
         /* Properties                                                                  */
         /*-----------------------------------------------------------------------------*/
         /// <summary>
+        /// GameObject that this Script belongs to. This is a legacy interface, use
+        /// GameObject instead.
+        /// </summary>
+        [System::ObsoleteAttribute("Use GameObject instead.", false)]
+        property SHADE::GameObject Owner
+        {
+            SHADE::GameObject get();
+        }
+        /// <summary>
         /// GameObject that this Script belongs to.
         /// </summary>
-        property GameObject Owner
+        property SHADE::GameObject GameObject
         {
-            GameObject get() { return owner; }
+            SHADE::GameObject get();
+        }
+        /// <summary>
+        /// Whether or not this Script should have it's update functions be executed.
+        /// </summary>
+        property bool Enabled
+        {
+            bool get();
+            void set(bool value);
         }
 
         /*-----------------------------------------------------------------------------*/
@@ -127,7 +144,7 @@ namespace SHADE
         /// </summary>
         /// <typeparam name="T">
         /// Type of script to get.
-        /// This needs to be a default constructable Script.
+        /// This needs to be a default constructible Script.
         /// </typeparam>
         /// <returns>Reference to the script added</returns>
         generic<typename T> where T : ref class, Script
@@ -206,7 +223,7 @@ namespace SHADE
         /// <summary>
         /// Used to initialize a Script with a GameObject.
         /// </summary>
-        void Initialize(GameObject newOwner);
+        void Initialize(SHADE::GameObject newOwner);
         /// <summary>
         /// Used to call onAttached(). This is called immediately when this script is
         /// attached to a GameObject.
@@ -232,6 +249,11 @@ namespace SHADE
         /// </summary>
         void Start();
         /// <summary>
+        /// Used to call onEnable. This should be called right when a script is enabled
+        /// directly.
+        /// </summary>
+        void OnEnable();
+        /// <summary>
         /// Used to call fixedUpdate(). This should be called in sync with Physics
         /// update steps and thus in most cases will execute more than Update() will.
         /// This will be called immediately before a Physics update step.
@@ -253,6 +275,11 @@ namespace SHADE
         /// </summary>
         void OnDrawGizmos();
         /// <summary>
+        /// Used to call onDisable. This should be called right when a script is disabled
+        /// directly.
+        /// </summary>
+        void OnDisable();
+        /// <summary>
         /// Used to call onDestroy(). This should be called at the end of the frame
         /// where the attached GameObject or this script is destroyed directly or
         /// indirectly due to destruction of the owner.
@@ -329,6 +356,10 @@ namespace SHADE
         /// </summary>
         virtual void awake();
         /// <summary>
+        /// Called when this script is enabled.
+        /// </summary>
+        virtual void onEnable();
+        /// <summary>
         /// Called on the first frame that the attached GameObject is active but always
         /// after Awake().
         /// </summary>
@@ -353,6 +384,10 @@ namespace SHADE
         /// </summary>
         virtual void onDrawGizmos();
         /// <summary>
+        /// Called when this script is disabled.
+        /// </summary>
+        virtual void onDisable();
+        /// <summary>
         /// Called just before the end of the frame where the attached GameObject or
         /// this script is destroyed directly or indirectly due to destruction of the
         /// owner.
@@ -403,7 +438,8 @@ namespace SHADE
         /*-----------------------------------------------------------------------------*/
         /* Data Members                                                                */
         /*-----------------------------------------------------------------------------*/
-        GameObject owner;
+        SHADE::GameObject owner;
+        bool enabled = true;
     };
 
 }

SHADE_Managed/src/Scripts/ScriptStore.cxx

@@ -528,7 +528,8 @@ namespace SHADE
             ScriptList^ scripts = entity.Value;
             for (int i = 0; i < scripts->Count; ++i)
             {
-                scripts[i]->FixedUpdate();
+                if (scripts[i]->Enabled)
+                    scripts[i]->FixedUpdate();
             }
         }
         SAFE_NATIVE_CALL_END_N("SHADE_Managed.ScriptStore")
@@ -546,7 +547,8 @@ namespace SHADE
             ScriptList^ scripts = entity.Value;
             for (int i = 0; i < scripts->Count; ++i)
             {
-                scripts[i]->Update();
+                if (scripts[i]->Enabled)
+                    scripts[i]->Update();
             }
         }
         SAFE_NATIVE_CALL_END_N("SHADE_Managed.ScriptStore")
@@ -564,7 +566,8 @@ namespace SHADE
             ScriptList^ scripts = entity.Value;
             for (int i = 0; i < scripts->Count; ++i)
             {
-                scripts[i]->LateUpdate();
+                if (scripts[i]->Enabled)
+                    scripts[i]->LateUpdate();
             }
         }
         SAFE_NATIVE_CALL_END_N("SHADE_Managed.ScriptStore")
@@ -583,7 +586,8 @@ namespace SHADE
             ScriptList^ scripts = entity.Value;
             for (int i = 0; i < scripts->Count; ++i)
             {
-                scripts[i]->OnDrawGizmos();
+                if (scripts[i]->Enabled)
+                    scripts[i]->OnDrawGizmos();
             }
         }
         SAFE_NATIVE_CALL_END_N("SHADE_Managed.ScriptStore")