d8223ffa75
That year should bring the long-awaited OpenGL ES 3.0 compatible renderer
with state-of-the-art rendering techniques tuned to work as low as middle
end handheld devices - without compromising with the possibilities given
for higher end desktop games of course. Great times ahead for the Godot
community and the gamers that will play our games!
(cherry picked from commit c7bc44d5ad)
224 lines
7.2 KiB
C++
224 lines
7.2 KiB
C++
/*************************************************************************/
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/* cp_loader_it_instruments.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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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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#include "cp_loader_it.h"
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enum EnvFlags {
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ENV_ON=1,
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ENV_LOOP=2,
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ENV_SUSLOOP=4,
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ENV_CARRY=8,
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ENV_FILTER=128
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};
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void CPLoader_IT::load_envelope(CPEnvelope *p_envelope,bool*p_has_filter_flag) {
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uint8_t flags=file->get_byte();
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uint8_t points=file->get_byte();
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uint8_t begin=file->get_byte();
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uint8_t end=file->get_byte();
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uint8_t susbegin=file->get_byte();
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uint8_t susend=file->get_byte();
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p_envelope->reset();
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for (int i=0;i<25;i++) {
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uint8_t height=file->get_byte();
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int8_t &signed_height=(int8_t&)height;
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uint16_t tick=file->get_word();
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if (i>=points)
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continue;
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p_envelope->add_position( tick, signed_height );
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}
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p_envelope->set_enabled( flags & ENV_ON );
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p_envelope->set_carry_enabled( flags & ENV_CARRY);
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p_envelope->set_loop_enabled( flags & ENV_LOOP );
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p_envelope->set_loop_begin( begin );
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p_envelope->set_loop_end( end );
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p_envelope->set_sustain_loop_enabled( flags & ENV_SUSLOOP );
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p_envelope->set_sustain_loop_begin( susbegin );
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p_envelope->set_sustain_loop_end( susend );
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if (p_has_filter_flag)
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*p_has_filter_flag=flags&ENV_FILTER;
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file->get_byte(); //zerobyte
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//fill with stuff if the envelope hass less than 2 points
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while(p_envelope->get_node_count()<2) {
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p_envelope->add_position( 30*p_envelope->get_node_count(), p_envelope->get_min()==0 ? 64 : 0, false );
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}
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}
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CPLoader::Error CPLoader_IT::load_instrument(CPInstrument *p_instrument,int *p_samples) {
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char aux_header[4];
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file->get_byte_array((uint8_t*)aux_header,4);
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if ( aux_header[0]!='I' ||
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aux_header[1]!='M' ||
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aux_header[2]!='P' ||
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aux_header[3]!='I') {
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CP_PRINTERR("IT CPLoader CPInstrument: Failed Identifier");
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return FILE_UNRECOGNIZED;
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}
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// Ignore deprecated 8.3 filename field
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for (int i=0;i<12;i++) file->get_byte();
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//Ignore zerobyte
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file->get_byte(); /* (byte) CPInstrument type (always 0) */
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switch( file->get_byte() ) { /* New CPNote Action [0,1,2,3] */
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case 0: p_instrument->set_NNA_type( CPInstrument::NNA_NOTE_CUT ) ; break;
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case 1: p_instrument->set_NNA_type( CPInstrument::NNA_NOTE_CONTINUE ) ; break;
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case 2: p_instrument->set_NNA_type( CPInstrument::NNA_NOTE_OFF ) ; break;
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case 3: p_instrument->set_NNA_type( CPInstrument::NNA_NOTE_FADE ) ; break;
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};
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switch( file->get_byte() ) { // Duplicate Check Type
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case 0: p_instrument->set_DC_type( CPInstrument::DCT_DISABLED ); break ;
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case 1: p_instrument->set_DC_type( CPInstrument::DCT_NOTE ); break ;
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case 2: p_instrument->set_DC_type( CPInstrument::DCT_SAMPLE ); break ;
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case 3: p_instrument->set_DC_type( CPInstrument::DCT_INSTRUMENT ); break ;
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}
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switch( file->get_byte() ) { //Duplicate Check Action
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case 0: p_instrument->set_DC_action( CPInstrument::DCA_NOTE_CUT ); break ;
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case 1: p_instrument->set_DC_action( CPInstrument::DCA_NOTE_OFF ); break ;
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case 2: p_instrument->set_DC_action( CPInstrument::DCA_NOTE_FADE ); break ;
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}
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int fade = file->get_word();
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//intf("AFADE: %i\n",fade);
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if (fade>CPInstrument::MAX_FADEOUT) //needs to be clipped because of horrible modplug doings
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fade=CPInstrument::MAX_FADEOUT;
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p_instrument->set_volume_fadeout( fade );
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p_instrument->set_pan_pitch_separation( file->get_byte() );
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p_instrument->set_pan_pitch_center( file->get_byte() );
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p_instrument->set_volume_global_amount( file->get_byte() );
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uint8_t pan=file->get_byte();
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p_instrument->set_pan_default_amount(pan&0x7F);
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p_instrument->set_pan_default_enabled( !(pan&0x80) );
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p_instrument->set_volume_random_variation( file->get_byte() );
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p_instrument->set_pan_random_variation( file->get_byte() );
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file->get_word(); //empty (version)
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uint8_t samples=file->get_byte();
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if (p_samples)
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*p_samples=samples;
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file->get_byte(); //empty
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char aux_name[26];
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file->get_byte_array((uint8_t*)aux_name,26);
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p_instrument->set_name(aux_name);
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uint8_t cutoff=file->get_byte();
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p_instrument->set_filter_default_cutoff(cutoff&0x7F);
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p_instrument->set_filter_use_default_cutoff(cutoff&0x80);
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uint8_t resonance=file->get_byte();
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p_instrument->set_filter_default_resonance(resonance&0x7F);
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p_instrument->set_filter_use_default_resonance(resonance&0x80);
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file->get_dword(); //MIDI, IGNORED!
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/* CPNote -> CPSample table */
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for (uint8_t i=0;i<CPNote::NOTES;i++) {
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uint8_t note=file->get_byte();
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if (note>=CPNote::NOTES)
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note=0;
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p_instrument->set_note_number(i,note);
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uint8_t samp=file->get_byte();
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if (samp==0 || samp>99)
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samp=CPNote::EMPTY;
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else
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samp--;
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p_instrument->set_sample_number(i,samp);
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}
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load_envelope( p_instrument->get_volume_envelope() );
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load_envelope( p_instrument->get_pan_envelope() );
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bool use_as_filter;
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load_envelope( p_instrument->get_pitch_filter_envelope(), &use_as_filter );
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p_instrument->set_pitch_use_as_filter( use_as_filter );
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return FILE_OK;
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}
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CPLoader::Error CPLoader_IT::load_instruments() {
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for (int i=0;i<header.insnum;i++) {
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file->seek(0xC0+header.ordnum+i*4);
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uint32_t final_location=file->get_dword();
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file->seek( final_location );
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Error err=load_instrument( song->get_instrument( i ) );
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if (err)
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return err;
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}
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return FILE_OK;
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if (file->eof_reached() || file->get_error())
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return FILE_CORRUPTED;
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}
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