From 3e94ecb3dac5003a3d58210ed1a4d1f1cb2083d1 Mon Sep 17 00:00:00 2001
From: Loek Le Blansch <loek@pipeframe.xyz>
Date: Tue, 12 Nov 2024 22:43:32 +0100
Subject: add script unit tests + major refactoring

---
 src/crepe/system/CMakeLists.txt   | 19 ++++++++++---------
 src/crepe/system/ScriptSystem.cpp | 23 ++++++++++++++++-------
 src/crepe/system/ScriptSystem.h   |  5 +++--
 src/crepe/system/System.cpp       |  6 ++++++
 src/crepe/system/System.h         |  7 ++++++-
 5 files changed, 41 insertions(+), 19 deletions(-)
 create mode 100644 src/crepe/system/System.cpp

(limited to 'src/crepe/system')

diff --git a/src/crepe/system/CMakeLists.txt b/src/crepe/system/CMakeLists.txt
index 4c18b87..9ee12f6 100644
--- a/src/crepe/system/CMakeLists.txt
+++ b/src/crepe/system/CMakeLists.txt
@@ -1,17 +1,18 @@
 target_sources(crepe PUBLIC
-	ParticleSystem.cpp
+	System.cpp
+	# ParticleSystem.cpp
 	ScriptSystem.cpp
-	PhysicsSystem.cpp
-	CollisionSystem.cpp
-	RenderSystem.cpp
-	AnimatorSystem.cpp
+	# PhysicsSystem.cpp
+	# CollisionSystem.cpp
+	# RenderSystem.cpp
+	# AnimatorSystem.cpp
 )
 
 target_sources(crepe PUBLIC FILE_SET HEADERS FILES
 	System.h
 	ScriptSystem.h
-	PhysicsSystem.h
-	CollisionSystem.h
-	RenderSystem.h
-	AnimatorSystem.h
+	# PhysicsSystem.h
+	# CollisionSystem.h
+	# RenderSystem.h
+	# AnimatorSystem.h
 )
diff --git a/src/crepe/system/ScriptSystem.cpp b/src/crepe/system/ScriptSystem.cpp
index f2673e7..0a87fcc 100644
--- a/src/crepe/system/ScriptSystem.cpp
+++ b/src/crepe/system/ScriptSystem.cpp
@@ -13,16 +13,24 @@ using namespace std;
 using namespace crepe;
 
 void ScriptSystem::update() {
-	using namespace std;
 	dbg_trace();
 
-	forward_list<Script *> scripts = this->get_scripts();
-	for (Script * script : scripts) script->update();
+	forward_list<reference_wrapper<Script>> scripts = this->get_scripts();
+
+	for (auto & script_ref : scripts) {
+		Script & script = script_ref.get();
+		BehaviorScript & component = *script.parent_ref;
+		if (!component.initialized) {
+			script.init();
+			component.initialized = true;
+		}
+		script.update();
+	}
 }
 
-forward_list<Script *> ScriptSystem::get_scripts() {
-	forward_list<Script *> scripts = {};
-	ComponentManager & mgr = ComponentManager::get_instance();
+forward_list<reference_wrapper<Script>> ScriptSystem::get_scripts() {
+	forward_list<reference_wrapper<Script>> scripts = {};
+	ComponentManager & mgr = this->component_manager;
 	vector<reference_wrapper<BehaviorScript>> behavior_scripts
 		= mgr.get_components_by_type<BehaviorScript>();
 
@@ -31,8 +39,9 @@ forward_list<Script *> ScriptSystem::get_scripts() {
 		if (!behavior_script.active) continue;
 		Script * script = behavior_script.script.get();
 		if (script == nullptr) continue;
-		scripts.push_front(script);
+		scripts.push_front(*script);
 	}
 
 	return scripts;
 }
+
diff --git a/src/crepe/system/ScriptSystem.h b/src/crepe/system/ScriptSystem.h
index 4fa6141..b52e825 100644
--- a/src/crepe/system/ScriptSystem.h
+++ b/src/crepe/system/ScriptSystem.h
@@ -7,14 +7,15 @@
 namespace crepe {
 
 class Script;
+class BehaviorScript;
 
 class ScriptSystem : public System {
 public:
+	using System::System;
 	void update();
 
 private:
-	// TODO: to forward_list<reference_wrapper>
-	std::forward_list<Script *> get_scripts();
+	std::forward_list<std::reference_wrapper<Script>> get_scripts();
 };
 
 } // namespace crepe
diff --git a/src/crepe/system/System.cpp b/src/crepe/system/System.cpp
new file mode 100644
index 0000000..296f1ed
--- /dev/null
+++ b/src/crepe/system/System.cpp
@@ -0,0 +1,6 @@
+#include "System.h"
+
+using namespace crepe;
+
+System::System(ComponentManager & mgr) : component_manager(mgr) {}
+
diff --git a/src/crepe/system/System.h b/src/crepe/system/System.h
index 3b81bef..7970e72 100644
--- a/src/crepe/system/System.h
+++ b/src/crepe/system/System.h
@@ -2,13 +2,18 @@
 
 namespace crepe {
 
+class ComponentManager;
+
 class System {
 public:
 	virtual void update() = 0;
 
 public:
-	System() = default;
+	System(ComponentManager &);
 	virtual ~System() = default;
+
+protected:
+	ComponentManager & component_manager;
 };
 
 } // namespace crepe
-- 
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