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/*************************************************************************/
/* cp_loader_it.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2016 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_IT_H
#define CP_LOADER_IT_H
#include "cp_loader.h"
/**
*@author Juan Linietsky
*/
/******************************
loader_it.h
----------
Impulse Tracker Module CPLoader!
It lacks support for old
instrument files methinks...
and some other things like
midi.
********************************/
class AuxSampleData; //used for internal crap
class CPLoader_IT : public CPLoader {
CPFileAccessWrapper *file;
CPSong *song;
struct IT_Header {
uint8_t blank01[2];
uint16_t ordnum;
uint16_t insnum;
uint16_t smpnum;
uint16_t patnum;
uint16_t cwt; /* Created with tracker (y.xx = 0x0yxx) */
uint16_t cmwt; /* Compatible with tracker ver > than val. */
uint16_t flags;
uint16_t special; /* bit 0 set = song message attached */
uint16_t msglength;
uint32_t msgoffset;
bool is_chibi;
};
/* Variables to store temp data */
IT_Header header;
/* CPSong Info Methods */
Error load_header(bool p_dont_set);
Error load_orders();
Error load_message();
/* CPPattern Methods */
Error load_patterns();
/* CPSample Methods */
Error load_samples();
Error load_sample(CPSample *p_sample);
CPSample_ID load_sample_data(AuxSampleData& p_sample_data);
// CPSample decompression
uint32_t read_n_bits_from_IT_compressed_block(uint8_t p_bits_to_read);
bool read_IT_compressed_block (bool p_16bits);
void free_IT_compressed_block ();
bool load_sample_8bits_IT_compressed(void *p_dest_buffer,int p_buffsize);
bool load_sample_16bits_IT_compressed(void *p_dest_buffer,int p_buffsize);
uint32_t *source_buffer; /* source buffer */
uint32_t *source_position; /* actual reading position */
uint8_t source_remaining_bits; /* bits remaining in read dword */
uint8_t* pat_data;
/* CPInstruments Methods */
Error load_effects();
Error load_instruments();
Error load_instrument(CPInstrument *p_instrument,int *p_samples=0);
void load_envelope(CPEnvelope *p_envelope,bool*p_has_filter_flag=0);
public:
bool can_load_song();
bool can_load_sample();
bool can_load_instrument();
Error load_song(const char *p_file,CPSong *p_song, bool p_sampleset=false);
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_IT(CPFileAccessWrapper *p_file);
};
#endif
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