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include/engine/automation/automation_player.h

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+/* -----------------------------------------------------------------------------
+	GSFramework
+	Copyright 2001-2013 Emmanuel Julien. All Rights Reserved.
+----------------------------------------------------------------------------- */
+
+
+#ifndef	__NAUTOMATIONPLAYER__
+#define	__NAUTOMATIONPLAYER__
+
+
+		#include "automation/automation_source.h"
+		#include "automation/automated_property_provider.h"
+		#include "motion/motion.h"	// FIXME move to motion_group
+		#include "math/vector.h"
+		#include "memory/bit_field.h"
+		#include "memory/nauto_ptr.h"
+		#include "memory/nshared_ptr.h"
+
+
+namespace GS {
+	namespace Automation {
+		struct SourceGroup;
+
+		using Core::Motion;
+		using Core::MotionChannel;
+
+/*!
+	@short	Automation player.
+	@author Emmanuel Julien (ejulien@gsworks.fr)
+*/
+class	Player
+{
+public:
+
+enum	AddSourceMode
+{
+		SourceSet			=	0,	///< Stop all current animation sources.
+		SourceAdd					///< Add a new animation source.
+};
+
+enum
+{
+		FlagRelativeMotion	=	1	///< Motion sources should be evaluated in relative mode (not absolute)
+};
+
+protected:
+
+		bool		active;
+
+		SharedList <Motion *> motions;
+		SharedList <Source *> sources;
+
+		/// Only valid during evaluation.
+		float		*weight_table;
+
+public:
+
+		AutoPtr <IPropertyProvider> property_provider;
+
+/*!
+	@name	Automation player.
+	@{
+*/
+		BitField flags;
+
+		/// Start an automation source.
+		Source		*StartAutomation(Source *, float blend = Units::Sec(0.1), AddSourceMode = SourceSet, float weight = 1);
+
+		/// Dispose of all sources.
+		void		DisposeAutomationSources();
+
+		bool		IsAutomated() const;
+		bool		IsAutomationDone() const;
+		bool		GetAutomationActive() const;
+		void		SetAutomationActive(bool active);
+
+		void		Evaluate(const Time &dt_time);
+
+		void		BlendAutomatedProperty(MotionChannel::Type, float, float);
+
+		/// Get animation sources.
+		const SharedList <Source *> &GetSourceList() const { return sources; }
+/// @}
+
+/*!
+	@name	Motion container.
+	@{
+*/
+
+	// FIXME move to motion_group
+
+		const SharedList <Motion *> &GetMotionList() const { return motions; }
+
+		Motion		*GetMotion(const char *id) const;
+		Motion		*GetMotionFromIndex(uint index) const;
+
+		bool		AddMotion(Motion *motion);
+		void		RemoveMotion(Motion *motion);
+/// @}
+
+		bool		FromMetaTag(NML::Tag &);
+		NML::Tag	*AsMetaTag();
+
+		Player();
+		~Player();
+};
+
+	} // Automation
+} // GS
+
+
+#endif // __NAUTOMATIONPLAYER__