feat: allow game registering of components

destrum/include/destrum/Serialization/EngineComponentList.h

@@ -22,6 +22,6 @@
     X(Rigidbody) \
     X(BoxCollider) \
     X(SphereCollider) \
-    X(CapsuleCollider)
+    X(CapsuleCollider) \
 
 #endif // DESTRUM_ENGINECOMPONENTLIST_H

lightkeeper/CMakeLists.txt

@@ -6,6 +6,9 @@ set(GAME_SRC
     src/main.cpp
 
     src/Lightkeeper.cpp
+
+    src/components/GameComponentRegistry.cpp
+    src/components/PrintComponent.cpp
 )
 
 add_executable(lightkeeper ${GAME_SRC})

lightkeeper/include/components/GameComponentList.h

@@ -0,0 +1,9 @@
+#ifndef LIGHTKEEPER_GAMECOMPONENTLIST_H
+#define LIGHTKEEPER_GAMECOMPONENTLIST_H
+
+#include <components/PrintComponent.h>
+
+#define LIGHTKEEPER_GAME_COMPONENTS(X) \
+    X(PrintComponent)
+
+#endif // LIGHTKEEPER_GAMECOMPONENTLIST_H

lightkeeper/include/components/GameComponentRegistry.h

@@ -0,0 +1,6 @@
+#ifndef LIGHTKEEPER_GAMECOMPONENTREGISTRY_H
+#define LIGHTKEEPER_GAMECOMPONENTREGISTRY_H
+
+void RegisterGameComponents();
+
+#endif // LIGHTKEEPER_GAMECOMPONENTREGISTRY_H

lightkeeper/include/components/PrintComponent.h

@@ -0,0 +1,28 @@
+#ifndef DESTRUM_PRINTCOMPONENT_H
+#define DESTRUM_PRINTCOMPONENT_H
+#include "destrum/ObjectModel/Component.h"
+
+class PrintComponent: public Component {
+public:
+
+    PrintComponent(GameObject& parent);
+
+    std::string GetTypeName() const override { return "PrintComponent"; }
+    void Start() override;
+    void Update(float dt) override;
+    void ImGuiInspector() override;
+    nlohmann::json Serialize() const override;
+    void Deserialize(const nlohmann::json&) override;
+
+    void SetMessage(std::string_view message)
+    {
+        m_message = message;
+    }
+
+private:
+
+    std::string m_message{};
+
+};
+
+#endif //DESTRUM_PRINTCOMPONENT_H

lightkeeper/src/Lightkeeper.cpp

@@ -24,6 +24,8 @@
 #include <string_view>
 
 #include "imgui.h"
+#include "components/GameComponentRegistry.h"
+#include "components/PrintComponent.h"
 #include "destrum/Components/Physics/SphereCollider.h"
 #include "destrum/Util/ModelDocUtils.h"
 
@@ -60,6 +62,8 @@ LightKeeper::~LightKeeper()
 
 void LightKeeper::customInit()
 {
+    RegisterGameComponents();
+
     resources.init(gfxDevice);
     renderer.init(gfxDevice, resources, m_params.renderSize);
 
@@ -426,6 +430,12 @@ void LightKeeper::customInit()
 
     sphereMaterial = resources.materials().addSimpleColorMaterial({0.5f, 0.3f, 0.8f}, "Blue");
 
+
+    auto obj = scene.CreateGameObject("GameObject");
+    auto printComp = obj->AddComponent<PrintComponent>();
+    printComp->SetMessage("Testing");
+
+
 }
 
 void LightKeeper::customUpdate(float dt)

lightkeeper/src/components/GameComponentRegistry.cpp

@@ -0,0 +1,20 @@
+#include <components/GameComponentRegistry.h>
+
+#include <destrum/Serialization/ComponentFactory.h>
+
+#include <components/GameComponentList.h>
+
+void RegisterGameComponents()
+{
+    static bool registered = false;
+    if (registered) {
+        return;
+    }
+
+    registered = true;
+
+#define LIGHTKEEPER_REGISTER_COMPONENT(ComponentType) \
+    ComponentFactory::Register<ComponentType>(#ComponentType);
+    LIGHTKEEPER_GAME_COMPONENTS(LIGHTKEEPER_REGISTER_COMPONENT)
+#undef LIGHTKEEPER_REGISTER_COMPONENT
+}

lightkeeper/src/components/PrintComponent.cpp

@@ -0,0 +1,34 @@
+#include <components/PrintComponent.h>
+
+#include "spdlog/spdlog.h"
+
+PrintComponent::PrintComponent(GameObject& parent) : Component(parent, "PrintComponent")
+{
+}
+
+void PrintComponent::Start()
+{
+}
+
+void PrintComponent::Update(float dt)
+{
+    spdlog::debug(m_message);
+}
+
+void PrintComponent::ImGuiInspector()
+{
+    Component::ImGuiInspector();
+}
+
+nlohmann::json PrintComponent::Serialize() const
+{
+    return {"message", m_message};
+}
+
+void PrintComponent::Deserialize(const nlohmann::json& basic_jsons)
+{
+    if (basic_jsons.contains("message"))
+    {
+        m_message = basic_jsons.at("message").get<std::string>();
+    }
+}