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path: root/drivers/chibi/cp_loader_xm.h
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/*************************************************************************/
/*  cp_loader_xm.h                                                       */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                    http://www.godotengine.org                         */
/*************************************************************************/
/* Copyright (c) 2007-2015 Juan Linietsky, Ariel Manzur.                 */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/

#ifndef CP_LOADER_XM_H
#define CP_LOADER_XM_H

#include "cp_loader.h"


/**
  *@author red
  */




class CPLoader_XM : public CPLoader  {


	struct XM_Header {

   		uint8_t idtext[18];
     		uint8_t songname[21];
       		uint8_t hex1a; // ?
         	uint8_t trackername[21];
          	uint16_t version;
           	uint32_t headersize; //from here
            	
            	uint16_t songlength; //pattern ordertable
             	uint16_t restart_pos;
              	uint16_t channels_used;
                uint16_t patterns_used;
                uint16_t instruments_used;
                uint16_t use_linear_freq;
                uint16_t tempo;
                uint16_t speed;
                uint8_t orderlist[256];

	} header;
  	
	CPFileAccessWrapper *file;
        
	Error load_instrument_internal(CPInstrument *pint,bool p_xi,int p_cpos, int p_hsize, int p_sampnumb=-1);
	CPSong *song;

public:

	bool can_load_song() { return true; }
	bool can_load_sample() { return false; }
	bool can_load_instrument() { return true; }
	
	Error load_song(const char *p_file,CPSong *p_song,bool p_sampleset);
	Error load_sample(const char *p_file,CPSample *p_sample);
	Error load_instrument(const char *p_file,CPSong *p_song,int p_instr_idx);

	
	CPLoader_XM(CPFileAccessWrapper *p_file);
	~CPLoader_XM();
};



#endif