From b3d9a54d8f0a293a6f0dae53f0d7ed55401bbbc3 Mon Sep 17 00:00:00 2001
From: maverickdgg <danielcyc38@gmail.com>
Date: Sun, 18 Sep 2022 16:46:08 +0800
Subject: [PATCH] Added entity creation event and entity destroyed events

---
 .../src/ECS_Base/Events/SHEntityCreationEvent.h      | 12 ++++++++++++
 .../src/ECS_Base/Events/SHEntityDestroyedEvent.h     | 11 +++++++++++
 .../src/ECS_Base/Managers/SHEntityManager.cpp        | 10 ++++++++++
 SHADE_Engine/src/ECS_Base/Managers/SHEntityManager.h | 11 +++++++++++
 SHADE_Engine/src/Events/SHEventDefines.h             |  4 +++-
 5 files changed, 47 insertions(+), 1 deletion(-)
 create mode 100644 SHADE_Engine/src/ECS_Base/Events/SHEntityCreationEvent.h
 create mode 100644 SHADE_Engine/src/ECS_Base/Events/SHEntityDestroyedEvent.h

diff --git a/SHADE_Engine/src/ECS_Base/Events/SHEntityCreationEvent.h b/SHADE_Engine/src/ECS_Base/Events/SHEntityCreationEvent.h
new file mode 100644
index 00000000..728d80f6
--- /dev/null
+++ b/SHADE_Engine/src/ECS_Base/Events/SHEntityCreationEvent.h
@@ -0,0 +1,12 @@
+#pragma once
+
+#include "ECS_Base/Entity/SHEntity.h"
+
+namespace SHADE
+{
+	struct SHEntityCreationEvent
+	{
+		EntityID eid;
+		std::vector<ComponentTypeID> componentTypeIDs;
+	};
+}
diff --git a/SHADE_Engine/src/ECS_Base/Events/SHEntityDestroyedEvent.h b/SHADE_Engine/src/ECS_Base/Events/SHEntityDestroyedEvent.h
new file mode 100644
index 00000000..770f0c4e
--- /dev/null
+++ b/SHADE_Engine/src/ECS_Base/Events/SHEntityDestroyedEvent.h
@@ -0,0 +1,11 @@
+#pragma once
+
+#include "ECS_Base/Entity/SHEntity.h"
+
+namespace SHADE
+{
+	struct SHEntityDestroyedEvent
+	{
+		EntityID eid;
+	};
+}
diff --git a/SHADE_Engine/src/ECS_Base/Managers/SHEntityManager.cpp b/SHADE_Engine/src/ECS_Base/Managers/SHEntityManager.cpp
index 240c0b32..fddd52cc 100644
--- a/SHADE_Engine/src/ECS_Base/Managers/SHEntityManager.cpp
+++ b/SHADE_Engine/src/ECS_Base/Managers/SHEntityManager.cpp
@@ -103,6 +103,10 @@ namespace SHADE
 			SHComponentManager::AddComponent(eID, id);
 		}
 
+		//set up event stuff
+		SHEntityCreationEvent event{ eID,componentTypeIDs };
+		SHEventManager::BroadcastEvent<SHEntityCreationEvent>(event, SH_ENTITY_CREATION_EVENT);
+
 		//(SHComponentManager::AddComponent<ComponentTypes>(eID), ...);
 
 		//if (entityHandle.IsValid(parentEID) == false)
@@ -153,6 +157,12 @@ namespace SHADE
 			entityHandle.RemoveHandle(eID);
 
 			entityVec[eIndex].reset(nullptr);
+
+
+			SHEntityDestroyedEvent event{eID};
+			SHEventManager::BroadcastEvent<SHEntityDestroyedEvent>(event, SH_ENTITY_DESTROYED_EVENT);
+			
+
 		}
 
 	}
diff --git a/SHADE_Engine/src/ECS_Base/Managers/SHEntityManager.h b/SHADE_Engine/src/ECS_Base/Managers/SHEntityManager.h
index 2d8a3ce5..a9560fa3 100644
--- a/SHADE_Engine/src/ECS_Base/Managers/SHEntityManager.h
+++ b/SHADE_Engine/src/ECS_Base/Managers/SHEntityManager.h
@@ -20,6 +20,9 @@
 #include "../Components/SHComponent.h"
 #include "../General/SHHandleGenerator.h"
 #include "../SHECSMacros.h"
+#include "ECS_Base/Events/SHEntityCreationEvent.h"
+#include "ECS_Base/Events/SHEntityDestroyedEvent.h"
+#include "Events/SHEventManager.h"
 #include "SH_API.h"
 
 namespace SHADE
@@ -125,6 +128,14 @@ namespace SHADE
 			entityVec[eIndex]->name = name;
 			(SHComponentManager::AddComponent<ComponentTypes>(eID), ...);
 
+			//set up event stuff
+			std::vector<ComponentTypeID> typeIDVec;
+			(typeIDVec.push_back(ComponentFamily::GetID<ComponentTypes>()), ...);
+
+			SHEntityCreationEvent event{ eID,typeIDVec };
+			SHEventManager::BroadcastEvent<SHEntityCreationEvent>(event, SH_ENTITY_CREATION_EVENT);
+
+
 			/*if (entityHandle.IsValid(parentEID) == false)
 			{
 				entityVec[eIndex]->sceneNode.ConnectToRoot();
diff --git a/SHADE_Engine/src/Events/SHEventDefines.h b/SHADE_Engine/src/Events/SHEventDefines.h
index 76b403bd..37849ffa 100644
--- a/SHADE_Engine/src/Events/SHEventDefines.h
+++ b/SHADE_Engine/src/Events/SHEventDefines.h
@@ -6,4 +6,6 @@ typedef uint32_t SHEventHandle;
 typedef void* SHEventDataPtr;
 
 //Add your event identifiers here:
-constexpr SHEventIdentifier SH_EXAMPLE_EVENT{0};
\ No newline at end of file
+constexpr SHEventIdentifier SH_EXAMPLE_EVENT{0};
+constexpr SHEventIdentifier SH_ENTITY_DESTROYED_EVENT{ 1 };
+constexpr SHEventIdentifier SH_ENTITY_CREATION_EVENT{ 2 };