119 lines
4.4 KiB
C++
119 lines
4.4 KiB
C++
/*************************************************************************/
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/* cp_loader_it.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef CP_LOADER_IT_H
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#define CP_LOADER_IT_H
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#include "cp_loader.h"
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/**
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*@author Juan Linietsky
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*/
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/******************************
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loader_it.h
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----------
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Impulse Tracker Module CPLoader!
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It lacks support for old
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instrument files methinks...
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and some other things like
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midi.
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********************************/
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class AuxSampleData; //used for internal crap
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class CPLoader_IT : public CPLoader {
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CPFileAccessWrapper *file;
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CPSong *song;
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struct IT_Header {
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uint8_t blank01[2];
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uint16_t ordnum;
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uint16_t insnum;
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uint16_t smpnum;
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uint16_t patnum;
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uint16_t cwt; /* Created with tracker (y.xx = 0x0yxx) */
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uint16_t cmwt; /* Compatible with tracker ver > than val. */
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uint16_t flags;
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uint16_t special; /* bit 0 set = song message attached */
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uint16_t msglength;
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uint32_t msgoffset;
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bool is_chibi;
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};
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/* Variables to store temp data */
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IT_Header header;
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/* CPSong Info Methods */
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Error load_header(bool p_dont_set);
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Error load_orders();
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Error load_message();
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/* CPPattern Methods */
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Error load_patterns();
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/* CPSample Methods */
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Error load_samples();
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Error load_sample(CPSample *p_sample);
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CPSample_ID load_sample_data(AuxSampleData &p_sample_data);
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// CPSample decompression
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uint32_t read_n_bits_from_IT_compressed_block(uint8_t p_bits_to_read);
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bool read_IT_compressed_block(bool p_16bits);
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void free_IT_compressed_block();
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bool load_sample_8bits_IT_compressed(void *p_dest_buffer, int p_buffsize);
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bool load_sample_16bits_IT_compressed(void *p_dest_buffer, int p_buffsize);
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uint32_t *source_buffer; /* source buffer */
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uint32_t *source_position; /* actual reading position */
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uint8_t source_remaining_bits; /* bits remaining in read dword */
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uint8_t *pat_data;
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/* CPInstruments Methods */
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Error load_effects();
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Error load_instruments();
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Error load_instrument(CPInstrument *p_instrument, int *p_samples = 0);
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void load_envelope(CPEnvelope *p_envelope, bool *p_has_filter_flag = 0);
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public:
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bool can_load_song();
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bool can_load_sample();
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bool can_load_instrument();
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Error load_song(const char *p_file, CPSong *p_song, bool p_sampleset = false);
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Error load_sample(const char *p_file, CPSample *p_sample);
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Error load_instrument(const char *p_file, CPSong *p_song, int p_instr_idx);
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CPLoader_IT(CPFileAccessWrapper *p_file);
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};
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#endif
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