X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fanimation%2Fanimationplayer.h;fp=source%2Fanimation%2Fanimationplayer.h;h=c45027d9e82bacfb0358981dfadcc0fded8c5eb9;hp=0000000000000000000000000000000000000000;hb=7aaec9a70b8d7733429bec043f8e33e02956f266;hpb=bec07999d95b76f4b47cffcc564d0cd0afc0435e

diff --git a/source/animation/animationplayer.h b/source/animation/animationplayer.h
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+++ b/source/animation/animationplayer.h
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+#ifndef MSP_GL_ANIMATIONPLAYER_H_
+#define MSP_GL_ANIMATIONPLAYER_H_
+
+#include <msp/time/timedelta.h>
+#include "animation.h"
+#include "animationeventobserver.h"
+#include "matrix.h"
+
+namespace Msp {
+namespace GL {
+
+class AnimatedObject;
+
+/**
+The bridge between Animations and AnimatedObjects.  A single AnimationPlayer
+can handle an arbitrary number of animations simultaneously.
+*/
+class AnimationPlayer
+{
+private:
+	struct PlayingAnimation
+	{
+		const Animation *animation;
+		float speed;
+		Animation::Iterator iterator;
+
+		PlayingAnimation(const Animation &, float);
+	};
+
+	struct Target: AnimationEventObserver
+	{
+		Placeable &placeable;
+		AnimatedObject *object;
+		Matrix base_matrix;
+		const Armature *armature;
+		std::vector<PlayingAnimation> animations;
+		bool stacked;
+		std::vector<AnimationEventObserver *> event_observers;
+
+		Target(Placeable &);
+
+		virtual void animation_event(Placeable *, const std::string &, const Variant &);
+	};
+
+	typedef std::map<const Placeable *, Target> ObjectMap;
+
+	ObjectMap objects;
+
+private:
+	Target &get_slot(Placeable &);
+
+	Target &play_(Placeable &, const Animation &, bool, float);
+public:
+	/// Plays an animation on an object.  Any previous animations are replaced.
+	void play(AnimatedObject &, const Animation &, float = 1.0f);
+
+	void play(Placeable &, const Animation &, float = 1.0f);
+
+	/** Plays an animation, stacked with other animations.  If no animations are
+	playing yet, the object's current matrix is used as the base. */
+	void play_stacked(AnimatedObject &, const Animation &, float = 1.0f);
+
+	void play_stacked(Placeable &, const Animation &, float = 1.0f);
+
+	/// Returns the number of animations currently affecting an object.
+	unsigned get_n_active_animations(const AnimatedObject &) const;
+
+	/** Request delivery of animation events for the given object.  Events will
+	be delivered from all current and future animations until the observer is
+	removed. */
+	void observe_events(AnimatedObject &, AnimationEventObserver &);
+
+	/// Remove an event observer from one object.
+	void unobserve_events(AnimatedObject &, AnimationEventObserver &);
+
+	/// Remove an event observer from all objects.
+	void unobserve_events(AnimationEventObserver &);
+
+	/// Stops all animations affecting an object.
+	void stop(Placeable &);
+
+	/// Stops a single animation affecting an object.
+	void stop(Placeable &, const Animation &);
+
+	/** Advances all playing animations.  Should be called in a regular manner,
+	preferably just before rendering. */
+	void tick(const Time::TimeDelta &);
+
+private:
+	void tick_single(Target &, const Time::TimeDelta &);
+	void tick_stacked(Target &, const Time::TimeDelta &);
+	static void set_object_uniform(AnimatedObject &, const std::string &, const KeyFrame::AnimatedUniform &);
+};
+
+} // namespace GL
+} // namespace Msp
+
+#endif