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lib/maxsdk70/include/ParticleFlow/IPFSystemPool.h

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+/*! \file IPFSystemPool.h
+    \brief The interface and a method are used to access a list
+				 of all PF particle systems in the current scene.
+				 It is possible to register notification with the object
+				 thus getting notification each time when the set of
+				 all PF particle systems is changing (create, clone, delete).
+*/
+/**********************************************************************
+ *<
+	CREATED BY: Oleg Bayborodin
+
+	HISTORY: created 08-20-02
+
+ *>	Copyright (c) 2001, All Rights Reserved.
+ **********************************************************************/
+
+#ifndef _IPFSYSTEMPOOL_H_
+#define _IPFSYSTEMPOOL_H_
+
+#include "Max.h"
+#include "notify.h"
+
+
+#include "PFExport.h"
+
+// interface ID
+#define PFSYSTEMPOOL_INTERFACE Interface_ID(0x74f93d0a, 0x1eb34500)
+
+#define GetPFSystemPoolInterface(obj) ((IPFSystemPool*)obj->GetInterface(PFSYSTEMPOOL_INTERFACE))
+
+class IPFSystemPool : public FPMixinInterface
+{
+public:
+
+	// function IDs
+	enum {	kNumPFSystems,
+			kGetPFSystem,
+			kHasPFSystem,
+			kHasPFSystemByHandle,
+			kRegisterNotification,
+			kUnRegisterNotification
+	};
+
+	BEGIN_FUNCTION_MAP
+	FN_0(kNumPFSystems, TYPE_INT, NumPFSystems );
+	FN_1(kGetPFSystem, TYPE_INODE, GetPFSystem, TYPE_INDEX );
+	FN_1(kHasPFSystem, TYPE_bool, HasPFSystem, TYPE_INODE );
+	FN_1(kHasPFSystemByHandle, TYPE_bool, HasPFSystemByHandle, TYPE_INT );
+	END_FUNCTION_MAP
+
+    /** @defgroup IPFSystemPool IPFSystemPool.h
+    *  @{
+    */
+
+      /*! \fn virtual int NumPFSystems() = 0;
+	*  \brief  returns number of PFSystems in the current scene
+      */
+	virtual int NumPFSystems() = 0;
+
+	/*! \fn virtual INode* GetPFSystem(int i) = 0;
+	*  \brief  Returns i-th PFSystem in the scene
+	*  \param i: PFSystem index
+      */
+	virtual INode* GetPFSystem(int i) = 0;
+
+	/*! \fn virtual bool HasPFSystem(INode* node) = 0;
+	*  \brief  Checks if the given PFSystem node is present in the scene
+	*  \param node: PFSystem node
+      */
+	virtual bool HasPFSystem(INode* node) = 0;
+
+	/*! \fn virtual bool HasPFSystemByHandle(int handle) = 0;
+	*  \brief Check if the scene has a PFSystem with the given node handle
+      */
+	virtual bool HasPFSystemByHandle(int handle) = 0;
+
+	/*! \fn virtual int RegisterNotification(NOTIFYPROC proc, void *param) = 0;
+	*  \brief  Register notification with the PFSystem pool.
+	   The given function is called each time the set of all PFSystems is changing.
+	   Returns nonzero if the event was registered; otherwise zero.
+	*  \param proc: The callback function called when the event occurs.
+      */
+	virtual int RegisterNotification(NOTIFYPROC proc, void *param) = 0;
+
+	/*! \fn virtual int UnRegisterNotification(NOTIFYPROC proc, void *param) = 0;
+	*  \brief  Unregister notification with the PFSystem pool.
+	   This function is called to break the connection between the event and the callback.
+	   After this function executes the callback is no longer invoked when the event occurs.
+	   Returns nonzero if the event was unregistered; otherwise zero.
+	*  \param proc: The callback function called when the event occurs.
+      */
+	virtual int UnRegisterNotification(NOTIFYPROC proc, void *param) = 0;
+
+	/*! \fn FPInterfaceDesc* GetDesc() { return GetDescByID(PFSYSTEMPOOL_INTERFACE); }
+	*  \brief  
+      */
+	FPInterfaceDesc* GetDesc() { return GetDescByID(PFSYSTEMPOOL_INTERFACE); }
+
+	/*! \fn friend PFExport IPFSystemPool* GetPFSystemPool();
+	*  \brief  Friend function declarations
+      */
+    friend PFExport IPFSystemPool* GetPFSystemPool();
+
+protected:
+	PFExport IPFSystemPool();
+
+	static IPFSystemPool* m_pool; // the one and only PFSystem Pool in the scene
+};
+
+/*! \fn PFExport IPFSystemPool* GetPFSystemPool();
+*  \brief Gets PFSystemPool from the scene
+*/
+PFExport IPFSystemPool* GetPFSystemPool();
+
+/*@}*/
+
+#endif // _IPFSYSTEMPOOL_H_