From 258c07e8578d956aefa948795b08ce763c2ee61d Mon Sep 17 00:00:00 2001
From: maverickdgg <danielcyc38@gmail.com>
Date: Sun, 13 Nov 2022 05:31:18 +0800
Subject: [PATCH] Added helper functions to check if Scene nodes are active

---
 SHADE_Engine/src/Scene/SHSceneManager.h | 51 +++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/SHADE_Engine/src/Scene/SHSceneManager.h b/SHADE_Engine/src/Scene/SHSceneManager.h
index 23d13261..8f03b352 100644
--- a/SHADE_Engine/src/Scene/SHSceneManager.h
+++ b/SHADE_Engine/src/Scene/SHSceneManager.h
@@ -21,6 +21,7 @@
 #include "SH_API.h"
 #include "ECS_Base/General/SHFamily.h"
 #include "Assets/SHAssetMacros.h"
+#include "ECS_Base/Managers/SHComponentManager.h"
 
 namespace SHADE
 {
@@ -116,6 +117,56 @@ namespace SHADE
 			sceneChanged = true;
 		}
 
+    /********************************************************************
+     * \brief
+     *  Check if the Entity's scene node is active and all the 
+     * components specified are active. 
+     * This does not check if the entity HasComponent. Please use
+     * CheckNodeAndHasComponentActive for that.
+     * \param eid
+     * EntityID of the entity to check for.
+     * \return 
+     * true if scene node is active and all the components specified
+     * are also active.
+    ********************************************************************/
+    template<typename ...ComponentTypes>
+    static std::enable_if_t<(... && std::is_base_of_v<SHComponent, ComponentTypes>), bool> CheckNodeAndComponentsActive(EntityID eid)
+    {
+      return CheckNodeActive(eid) && (... && SHComponentManager::GetComponent_s<ComponentTypes>(eid)->isActive);
+    }
+
+    /********************************************************************
+     * \brief
+     *  Check if the Entity's scene node is active and all the
+     * components specified are active.
+     * This also checks to verify that the entity has such components.
+     * \param eid
+     * EntityID of the entity to check for.
+     * \return
+     * true if scene node is active and all the components specified
+     * are also active.
+    ********************************************************************/
+    template<typename ...ComponentTypes>
+    static std::enable_if_t<(... && std::is_base_of_v<SHComponent, ComponentTypes>), bool> CheckNodeAndHasComponentsActive(EntityID eid)
+    {
+      return CheckNodeActive(eid) 
+        && (... && SHComponentManager::HasComponent<ComponentTypes>(eid)) 
+        && (... && SHComponentManager::GetComponent_s<ComponentTypes>(eid)->isActive);
+    }
+
+    /********************************************************************
+     * \brief
+     *  Check if Scene node is active. 
+     * \param eid
+     * EntityID of the entity to check for.
+     * \return
+     * true if scene node is active
+    ********************************************************************/
+    static bool CheckNodeActive(EntityID eid)
+    {
+      return GetCurrentSceneGraph().IsActiveInHierarchy(eid);
+    }
+
 
 		/*!*************************************************************************
 		 * \brief