ScriptComponent.h

#pragma once
 
#include <Core/Scripting/ScriptClassResource.h>
#include <Core/World/EventMessageHandlerComponent.h>
#include <Foundation/Types/RangeView.h>
 
using plScriptComponentManager = plComponentManager<class plScriptComponent, plBlockStorageType::FreeList>;
 
class PL_CORE_DLL plScriptComponent : public plEventMessageHandlerComponent
{
  PL_DECLARE_COMPONENT_TYPE(plScriptComponent, plEventMessageHandlerComponent, plScriptComponentManager);
 
  // plComponent
 
protected:
  virtual void SerializeComponent(plWorldWriter& stream) const override;
  virtual void DeserializeComponent(plWorldReader& stream) override;
  virtual void Initialize() override;
  virtual void Deinitialize() override;
  virtual void OnActivated() override;
  virtual void OnDeactivated() override;
  virtual void OnSimulationStarted() override;
 
  // plScriptComponent
public:
  plScriptComponent();
  ~plScriptComponent();
 
  void SetScriptVariable(const plHashedString& sName, const plVariant& value); // [ scriptable ]
  plVariant GetScriptVariable(const plHashedString& sName) const;              // [ scriptable ]
 
  void SetScriptClass(const plScriptClassResourceHandle& hScript);
  const plScriptClassResourceHandle& GetScriptClass() const { return m_hScriptClass; }
 
  void SetScriptClassFile(const char* szFile); // [ property ]
  const char* GetScriptClassFile() const;      // [ property ]
 
  void SetUpdateInterval(plTime interval); // [ property ]
  plTime GetUpdateInterval() const;        // [ property ]
 
  // Exposed Parameters
  const plRangeView<const char*, plUInt32> GetParameters() const;
  void SetParameter(const char* szKey, const plVariant& value);
  void RemoveParameter(const char* szKey);
  bool GetParameter(const char* szKey, plVariant& out_value) const;
 
  PL_ALWAYS_INLINE plScriptInstance* GetScriptInstance() { return m_pInstance.Borrow(); }
 
private:
  void InstantiateScript(bool bActivate);
  void ClearInstance(bool bDeactivate);
  void AddUpdateFunctionToSchedule();
  void RemoveUpdateFunctionToSchedule();
 
  const plAbstractFunctionProperty* GetScriptFunction(plUInt32 uiFunctionIndex);
  void CallScriptFunction(plUInt32 uiFunctionIndex);
 
  void ReloadScript();
 
  plArrayMap<plHashedString, plVariant> m_Parameters;
 
  plScriptClassResourceHandle m_hScriptClass;
  plTime m_UpdateInterval = plTime::MakeZero();
 
  plSharedPtr<plScriptRTTI> m_pScriptType;
  plUniquePtr<plScriptInstance> m_pInstance;
};