77 lines
2.1 KiB
C++
77 lines
2.1 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file asyncTaskSequence.h
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* @author drose
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* @date 2008-10-04
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*/
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#ifndef ASYNCTASKSEQUENCE_H
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#define ASYNCTASKSEQUENCE_H
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#include "pandabase.h"
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#include "asyncTask.h"
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#include "asyncTaskCollection.h"
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class AsyncTaskManager;
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/**
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* A special kind of task that serves as a list of tasks internally. Each
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* task on the list is executed in sequence, one per epoch.
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*
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* This is similar to a Sequence interval, though it has some slightly
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* different abilities. For instance, although you can't start at any
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* arbitrary point in the sequence, you can construct a task sequence whose
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* duration changes during playback.
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*/
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class EXPCL_PANDA_EVENT AsyncTaskSequence : public AsyncTask, public AsyncTaskCollection {
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PUBLISHED:
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explicit AsyncTaskSequence(const std::string &name);
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virtual ~AsyncTaskSequence();
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ALLOC_DELETED_CHAIN(AsyncTaskSequence);
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INLINE void set_repeat_count(int repeat_count);
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INLINE int get_repeat_count() const;
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INLINE size_t get_current_task_index() const;
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protected:
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virtual bool is_runnable();
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virtual DoneStatus do_task();
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virtual void upon_birth(AsyncTaskManager *manager);
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virtual void upon_death(AsyncTaskManager *manager, bool clean_exit);
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private:
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void set_current_task(AsyncTask *task, bool clean_exit);
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int _repeat_count;
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size_t _task_index;
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PT(AsyncTask) _current_task;
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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AsyncTask::init_type();
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register_type(_type_handle, "AsyncTaskSequence",
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AsyncTask::get_class_type());
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}
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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private:
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static TypeHandle _type_handle;
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};
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#include "asyncTaskSequence.I"
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#endif
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