libopenmpt_ext.hpp

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/*
 * libopenmpt_ext.hpp
 * ------------------
 * Purpose: libopenmpt public c++ interface for libopenmpt extensions
 * Notes  :
 * Authors: OpenMPT Devs
 * The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
 */

#ifndef LIBOPENMPT_EXT_HPP
#define LIBOPENMPT_EXT_HPP

#include "libopenmpt_config.h"
#include "libopenmpt.hpp"

namespace openmpt {

class module_ext_impl;

class LIBOPENMPT_CXX_API module_ext : public module {
  
private:
  module_ext_impl * ext_impl;
private:
  // non-copyable
  module_ext( const module_ext & );
  void operator = ( const module_ext & );
public:
  module_ext( std::istream & stream, std::ostream & log = std::clog, const std::map< std::string, std::string > & ctls = detail::initial_ctls_map() );
  module_ext( const std::vector<char> & data, std::ostream & log = std::clog, const std::map< std::string, std::string > & ctls = detail::initial_ctls_map() );
  module_ext( const char * data, std::size_t size, std::ostream & log = std::clog, const std::map< std::string, std::string > & ctls = detail::initial_ctls_map() );
  module_ext( const void * data, std::size_t size, std::ostream & log = std::clog, const std::map< std::string, std::string > & ctls = detail::initial_ctls_map() );
  virtual ~module_ext();

public:


  void * get_interface( const std::string & interface_id );

}; // class module_ext

namespace ext {

#define LIBOPENMPT_DECLARE_EXT_CXX_INTERFACE(name) \
  static const char name ## _id [] = # name ; \
  class name; \


#define LIBOPENMPT_EXT_CXX_INTERFACE(name) \
  protected: \
    name () {} \
    virtual ~ name () {} \
  public: \



#ifndef LIBOPENMPT_EXT_INTERFACE_PATTERN_VIS
#define LIBOPENMPT_EXT_INTERFACE_PATTERN_VIS
#endif

LIBOPENMPT_DECLARE_EXT_CXX_INTERFACE(pattern_vis)

class pattern_vis {

  LIBOPENMPT_EXT_CXX_INTERFACE(pattern_vis)

  
  enum effect_type {

    effect_unknown = 0,
    effect_general = 1,
    effect_global = 2,
    effect_volume = 3,
    effect_panning = 4,
    effect_pitch = 5

  }; // enum effect_type


  virtual effect_type get_pattern_row_channel_volume_effect_type( std::int32_t pattern, std::int32_t row, std::int32_t channel ) const = 0;


  virtual effect_type get_pattern_row_channel_effect_type( std::int32_t pattern, std::int32_t row, std::int32_t channel ) const = 0;

}; // class pattern_vis


#ifndef LIBOPENMPT_EXT_INTERFACE_INTERACTIVE
#define LIBOPENMPT_EXT_INTERFACE_INTERACTIVE
#endif

LIBOPENMPT_DECLARE_EXT_CXX_INTERFACE(interactive)

class interactive {

  LIBOPENMPT_EXT_CXX_INTERFACE(interactive)

  

  virtual void set_current_speed( std::int32_t speed ) = 0;


  virtual void set_current_tempo( std::int32_t tempo ) = 0;


  virtual void set_tempo_factor( double factor ) = 0;


  virtual double get_tempo_factor( ) const = 0;
  

  virtual void set_pitch_factor( double factor ) = 0;


  virtual double get_pitch_factor( ) const = 0;


  virtual void set_global_volume( double volume ) = 0;


  virtual double get_global_volume( ) const = 0;
  

  virtual void set_channel_volume( std::int32_t channel, double volume ) = 0;


  virtual double get_channel_volume( std::int32_t channel ) const = 0;


  virtual void set_channel_mute_status( std::int32_t channel, bool mute ) = 0;


  virtual bool get_channel_mute_status( std::int32_t channel ) const = 0;
  

  virtual void set_instrument_mute_status( std::int32_t instrument, bool mute ) = 0;


  virtual bool get_instrument_mute_status( std::int32_t instrument ) const = 0;


  virtual std::int32_t play_note( std::int32_t instrument, std::int32_t note, double volume, double panning ) = 0;


  virtual void stop_note( std::int32_t channel ) = 0;

}; // class interactive


/* add stuff here */



#undef LIBOPENMPT_DECLARE_EXT_CXX_INTERFACE
#undef LIBOPENMPT_EXT_CXX_INTERFACE

} // namespace ext

} // namespace openmpt

#endif // LIBOPENMPT_EXT_HPP