/*************************************************************************/
/*  cp_loader_s3m.h                                                      */
/*************************************************************************/
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/*                           GODOT ENGINE                                */
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/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md)    */
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/*************************************************************************/

#ifndef CP_LOADER_S3M_H
#define CP_LOADER_S3M_H

#include "cp_loader.h"

/**
  *@author Juan Linietsky
  */
/******************************
 loader_s3m.h
 ----------
Scream Tracker Module CPLoader!
It lacks support for
individual sample loading
and reorganizing the columns.
********************************/

class CPLoader_S3M : public CPLoader {

	struct S3M_Header {
		char songname[28];
		uint8_t t1a;
		uint8_t type;
		uint8_t unused1[2];
		uint16_t ordnum;
		uint16_t insnum;
		uint16_t patnum;
		uint16_t flags;
		uint16_t tracker;
		uint16_t fileformat;
		char scrm[5];
		uint8_t mastervol;
		uint8_t initspeed;
		uint8_t inittempo;
		uint8_t mastermult;
		uint8_t ultraclick;
		uint8_t pantable;
		uint8_t unused2[8];
		uint16_t special;
		uint8_t channels[32];
		uint8_t pannings[32];
		uint8_t orderlist[300];
	};

	int sample_parapointers[CPSong::MAX_SAMPLES];
	int pattern_parapointers[CPSong::MAX_PATTERNS];

	Error load_header();
	void set_header();
	Error load_sample(CPSample *p_sample);
	Error load_pattern(CPPattern *p_pattern);
	Error load_patterns();

	Error load_samples();

	S3M_Header header;
	int sample_count;
	int pattern_count;

	CPFileAccessWrapper *file;
	CPSong *song;

public:
	bool can_load_song() { return true; }
	bool can_load_sample() { return false; }
	bool can_load_instrument() { return false; }

	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_S3M(CPFileAccessWrapper *p_file);
	~CPLoader_S3M();
};

#endif