mirror of
https://github.com/libretro/scummvm.git
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4452 lines
88 KiB
C++
4452 lines
88 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001 Ludvig Strigeus
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* Copyright (C) 2001/2002 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*/
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#include "stdafx.h"
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#include "scumm.h"
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#include "fmopl.h"
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#include "mididrv.h"
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int num_mix;
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#define TICKS_PER_BEAT 480
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#define SYSEX_ID 0x7D
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#define SPECIAL_CHANNEL 9
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#define TRIGGER_ID 0
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#define COMMAND_ID 1
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#define MDPG_TAG "MDpg"
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#define MDHD_TAG "MDhd"
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/* Roland to General Midi patch table. Still needs much work. */
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static const byte mt32_to_gmidi[128] = {
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/*
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0, 1, 2, 4, 4, 5, 5, 3, 16, 17, 18, 18, 19,
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19, 20, 21, 6, 6, 6, 7, 7, 7, 8, 8, 62, 63,
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62, 63, 38, 39, 38, 39, 88, 89, 52, 113, 97, 96, 91,
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85, 14, 101, 68, 95, 86, 103, 88, 80, 48, 49, 51, 45,
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40, 40, 42, 42, 43, 46, 46, 24, 25, 26, 27, 104, 32,
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33, 34, 39, 36, 37, 38, 35, 79, 73, 72, 72, 74, 75,
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64, 65, 66, 67, 71, 71, 68, 69, 70, 22, 56, 59, 57,
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63, 60, 60, 58, 61, 61, 11, 11, 12, 88, 9, 14, 13,
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12, 107, 111, 77, 78, 78, 76, 121, 47, 117, 127, 115, 118,
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116, 118, 94, 115, 9, 55, 124, 123, 125, 126, 127
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*/
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// 0 1 2 3 4 5 6 7 8 9 A B C D E F
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0, 1, 0, 2, 4, 4, 5, 3, 16, 17, 18, 16, 16, 19, 20, 21, // 0x
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6, 6, 6, 7, 7, 7, 8, 112, 62, 62, 63, 63, 38, 38, 39, 39, // 1x
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88, 54, 52, 98, 97, 99, 14, 54, 102, 96, 53, 102, 81, 100, 14, 80, // 2x
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48, 48, 49, 45, 41, 40, 42, 42, 43, 46, 45, 24, 25, 28, 27, 104, // 3x
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32, 32, 34, 33, 36, 37, 35, 35, 79, 73, 72, 72, 74, 75, 64, 65, // 4x
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66, 67, 71, 71, 68, 69, 70, 22, 56, 59, 57, 57, 60, 60, 58, 61, // 5x
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61, 11, 11, 98, 14, 9, 14, 13, 12, 107, 107, 77, 78, 78, 76, 76, // 6x
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47, 117, 127, 118, 118, 116, 115, 119, 115, 112, 55, 124, 123, 0, 14, 117 // 7x
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};
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/* Put IMUSE specific classes here, instead of in a .h file
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* they will only be used from this file, so it will reduce
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* compile time */
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class IMuse;
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class IMuseDriver;
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struct Part;
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struct MidiChannelAdl;
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struct MidiChannelGM;
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struct Instrument;
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struct HookDatas {
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byte _jump,_transpose;
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byte _part_onoff[16];
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byte _part_volume[16];
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byte _part_program[16];
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byte _part_transpose[16];
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int query_param(int param, byte chan);
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int set(byte cls, byte value, byte chan);
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};
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struct Player {
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IMuse *_se;
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Part *_parts;
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bool _active;
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bool _scanning;
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int _id;
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byte _priority;
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byte _volume;
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int8 _pan;
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int8 _transpose;
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int8 _detune;
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uint _vol_chan;
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byte _vol_eff;
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uint _song_index;
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uint _track_index;
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uint _timer_counter;
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uint _loop_to_beat;
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uint _loop_from_beat;
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uint _loop_counter;
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uint _loop_to_tick;
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uint _loop_from_tick;
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uint32 _tempo;
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uint32 _tempo_eff; /* NoSave */
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uint32 _cur_pos;
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uint32 _next_pos;
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uint32 _song_offset;
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uint32 _timer_speed; /* NoSave */
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uint _tick_index;
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uint _beat_index;
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uint _ticks_per_beat;
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byte _speed; /* NoSave */
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bool _abort;
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HookDatas _hook;
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/* Player part */
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void hook_clear();
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void clear();
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bool start_sound(int sound);
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void uninit_parts();
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byte *parse_midi(byte *s);
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void key_off(uint8 chan, byte data);
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void key_on(uint8 chan, byte data, byte velocity);
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void part_set_transpose(uint8 chan, byte relative, int8 b);
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void parse_sysex(byte *p, uint len);
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void maybe_jump(byte *data);
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void maybe_set_transpose(byte *data);
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void maybe_part_onoff(byte *data);
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void maybe_set_volume(byte *data);
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void maybe_set_program(byte *data);
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void maybe_set_transpose_part(byte *data);
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uint update_actives();
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Part *get_part(uint8 part);
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void turn_off_pedals();
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int set_vol(byte vol);
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int get_param(int param, byte chan);
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int query_part_param(int param, byte chan);
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int set_transpose(byte relative, int b);
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void set_priority(int pri);
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void set_pan(int pan);
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void set_detune(int detune);
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void turn_off_parts();
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void play_active_notes();
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void cancel_volume_fade();
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static void decode_sysex_bytes(byte *src, byte *dst, int len);
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void clear_active_note(int chan, byte note);
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void set_active_note(int chan, byte note);
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void clear_active_notes();
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/* Sequencer part */
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bool set_loop(uint count, uint tobeat, uint totick, uint frombeat, uint fromtick);
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void clear_loop();
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void set_speed(byte speed);
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bool jump(uint track, uint beat, uint tick);
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void uninit_seq();
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void set_tempo(uint32 data);
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int start_seq_sound(int sound);
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void find_sustaining_notes(byte *a, byte *b, uint32 l);
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int scan(uint totrack, uint tobeat, uint totick);
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int query_param(int param);
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int fade_vol(byte vol, int time);
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void sequencer_timer();
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};
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struct VolumeFader {
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Player *player;
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bool active;
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byte curvol;
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uint16 speed_lo_max,num_steps;
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int8 speed_hi;
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int8 direction;
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int8 speed_lo;
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uint16 speed_lo_counter;
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void initialize() { active = false; }
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void on_timer();
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};
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struct SustainingNotes {
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SustainingNotes *next;
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SustainingNotes *prev;
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Player *player;
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byte note,chan;
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uint32 off_pos;
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uint32 pos;
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uint16 counter;
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};
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struct CommandQueue {
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uint16 array[8];
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};
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struct IsNoteCmdData {
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byte chan;
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byte note;
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byte vel;
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};
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struct MidiChannel {
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Part *_part;
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MidiChannelAdl *adl() { return (MidiChannelAdl*)this; }
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MidiChannelGM *gm() { return (MidiChannelGM*)this; }
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};
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struct MidiChannelGM : MidiChannel {
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byte _chan;
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uint16 _actives[8];
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};
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struct Part {
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int _slot;
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IMuseDriver *_drv;
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Part *_next, *_prev;
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MidiChannel *_mc;
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Player *_player;
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int16 _pitchbend;
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byte _pitchbend_factor;
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int8 _transpose,_transpose_eff;
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byte _vol,_vol_eff;
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int8 _detune,_detune_eff;
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int8 _pan,_pan_eff;
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bool _on;
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byte _modwheel;
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bool _pedal;
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byte _program;
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int8 _pri;
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byte _pri_eff;
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byte _chan;
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byte _effect_level;
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byte _chorus;
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byte _percussion;
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byte _bank;
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void key_on(byte note, byte velocity);
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void key_off(byte note);
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void set_param(byte param, int value);
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void init(IMuseDriver *_driver);
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void setup(Player *player);
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void uninit();
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void off();
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void silence();
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void set_instrument(uint b);
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void set_instrument(Instrument *data);
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void set_transpose(int8 transpose);
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void set_vol(uint8 volume);
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void set_detune(int8 detune);
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void set_pri(int8 pri);
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void set_pan(int8 pan);
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void set_modwheel(uint value);
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void set_pedal(bool value);
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void set_pitchbend(int value);
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void release_pedal();
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void set_program(byte program);
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void set_chorus(uint chorus);
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void set_effect_level(uint level);
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int update_actives(uint16 *active);
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void set_pitchbend_factor(uint8 value);
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void set_onoff(bool on);
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void fix_after_load();
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void update_pris();
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void changed(byte what);
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};
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/* Abstract IMuse driver class */
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class IMuseDriver {
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public:
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enum {
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pcMod = 1,
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pcVolume = 2,
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pcPedal = 4,
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pcModwheel = 8,
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pcPan = 16,
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pcEffectLevel = 32,
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pcProgram = 64,
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pcChorus = 128,
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pcAll = 255,
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};
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virtual void on_timer() = 0;
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virtual uint32 get_base_tempo() = 0;
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virtual byte get_hardware_type() = 0;
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virtual void init(IMuse *eng, OSystem *syst) = 0;
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virtual void update_pris() = 0;
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virtual void set_instrument(uint slot, byte *instr) = 0;
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virtual void part_set_instrument(Part *part, Instrument *instr) = 0;
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virtual void part_key_on(Part *part, byte note, byte velocity) = 0;
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virtual void part_key_off(Part *part, byte note) = 0;
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virtual void part_off(Part *part) = 0;
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virtual void part_changed(Part *part,byte what) = 0;
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virtual void part_set_param(Part *part, byte param, int value) = 0;
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virtual int part_update_active(Part *part,uint16 *active) = 0;
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};
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// WARNING: This is the internal variant of the IMUSE class.
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// imuse.h contains a public version of the same class.
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// the public version, only contains a set of methods.
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class IMuse {
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friend struct Player;
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private:
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IMuseDriver *_driver;
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byte **_base_sounds;
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byte _locked;
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byte _hardware_type;
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public:
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bool _mt32emulate;
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private:
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bool _paused;
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bool _active_volume_faders;
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bool _initialized;
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byte _volume_fader_counter;
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int _game_tempo;
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uint _queue_end, _queue_pos, _queue_sound;
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byte _queue_adding;
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SustainingNotes *_sustain_notes_used;
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SustainingNotes *_sustain_notes_free;
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SustainingNotes *_sustain_notes_head;
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byte _queue_marker;
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byte _queue_cleared;
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byte _master_volume;
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byte _music_volume; /* Global music volume. Percantage */
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uint16 _trigger_count;
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uint16 _channel_volume[8];
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uint16 _channel_volume_eff[8]; /* NoSave */
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uint16 _volchan_table[8];
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Player _players[8];
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SustainingNotes _sustaining_notes[24];
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VolumeFader _volume_fader[8];
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Part _parts[32];
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uint16 _active_notes[128];
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CommandQueue _cmd_queue[64];
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byte *findTag(int sound, char *tag, int index);
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int get_queue_sound_status(int sound);
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Player *allocate_player(byte priority);
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void handle_marker(uint id, byte data);
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int get_channel_volume(uint a);
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void init_players();
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void init_parts();
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void init_volume_fader();
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void init_sustaining_notes();
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void init_queue();
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void sequencer_timers();
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void expire_sustain_notes();
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void expire_volume_faders();
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Part *allocate_part(byte pri);
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int enqueue_command(int a, int b, int c, int d, int e, int f, int g);
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int enqueue_trigger(int sound, int marker);
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int query_queue(int param);
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Player *get_player_byid(int id);
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int get_volchan_entry(uint a);
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int set_volchan_entry(uint a, uint b);
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int set_channel_volume(uint chan, uint vol);
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void update_volumes();
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void reset_tick();
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VolumeFader *allocate_volume_fader();
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int set_volchan(int sound, int volchan);
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void fix_parts_after_load();
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void fix_players_after_load(Scumm *scumm);
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static int saveReference(IMuse *me, byte type, void *ref);
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static void *loadReference(IMuse *me, byte type, int ref);
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void lock();
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void unlock();
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public:
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Part *parts_ptr() { return _parts; }
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IMuseDriver *driver() { return _driver; }
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int initialize(OSystem *syst, MidiDriver *midi, SoundMixer *mixer);
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/* Public interface */
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enum {
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PROP_TEMPO_BASE = 1,
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PROP_MT32_EMULATE = 2,
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};
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void on_timer();
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void pause(bool paused);
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int terminate();
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int save_or_load(Serializer *ser, Scumm *scumm);
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int set_music_volume(uint vol);
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int get_music_volume();
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int set_master_volume(uint vol);
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int get_master_volume();
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bool start_sound(int sound);
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int stop_sound(int sound);
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int stop_all_sounds();
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int get_sound_status(int sound);
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int32 do_command(int a, int b, int c, int d, int e, int f, int g, int h);
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int clear_queue();
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void setBase(byte **base);
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uint32 property(int prop, uint32 value);
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static IMuse *create(OSystem *syst, MidiDriver *midi, SoundMixer *mixer);
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};
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/* IMuseAdlib classes */
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struct Struct10 {
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byte active;
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int16 cur_val;
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int16 count;
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uint16 param;
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int16 start_value;
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byte loop;
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byte table_a[4];
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byte table_b[4];
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int8 unk3;
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int8 modwheel;
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int8 modwheel_last;
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uint16 speed_lo_max;
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uint16 num_steps;
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int16 speed_hi;
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int8 direction;
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uint16 speed_lo;
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uint16 speed_lo_counter;
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};
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struct Struct11 {
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int16 modify_val;
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byte param,flag0x40,flag0x10;
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Struct10 *s10;
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};
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struct InstrumentExtra {
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byte a,b,c,d,e,f,g,h;
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};
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struct Instrument {
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byte flags_1;
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byte oplvl_1;
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byte atdec_1;
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byte sustrel_1;
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byte waveform_1;
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byte flags_2;
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byte oplvl_2;
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byte atdec_2;
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byte sustrel_2;
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byte waveform_2;
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byte feedback;
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byte flags_a;
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InstrumentExtra extra_a;
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byte flags_b;
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InstrumentExtra extra_b;
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byte duration;
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};
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struct MidiChannelAdl : MidiChannel {
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MidiChannelAdl *_next,*_prev;
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byte _waitforpedal;
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byte _note;
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byte _channel;
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byte _twochan;
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byte _vol_1,_vol_2;
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int16 _duration;
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Struct10 _s10a;
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Struct11 _s11a;
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Struct10 _s10b;
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Struct11 _s11b;
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};
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struct IMuseAdlib : public IMuseDriver {
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private:
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FM_OPL *_opl;
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byte *_adlib_reg_cache;
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IMuse *_se;
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SoundMixer *_mixer;
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int _adlib_timer_counter;
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uint16 channel_table_2[9];
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int _midichan_index;
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int _next_tick;
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uint16 curnote_table[9];
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MidiChannelAdl _midi_channels[9];
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Instrument _part_instr[32];
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Instrument _glob_instr[32];
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void adlib_key_off(int chan);
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void adlib_note_on(int chan, byte note, int mod);
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void adlib_note_on_ex(int chan, byte note, int mod);
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int adlib_read_param(int chan, byte data);
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void adlib_setup_channel(int chan, Instrument *instr, byte vol_1, byte vol_2);
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byte adlib_read(byte port) { return _adlib_reg_cache[port]; }
|
|
void adlib_set_param(int channel, byte param, int value);
|
|
void adlib_key_onoff(int channel);
|
|
void adlib_write(byte port, byte value);
|
|
void adlib_playnote(int channel, int note);
|
|
|
|
MidiChannelAdl *allocate_midichan(byte pri);
|
|
|
|
void reset_tick();
|
|
void mc_off(MidiChannel *mc);
|
|
|
|
static void link_mc(Part *part, MidiChannelAdl *mc);
|
|
static void mc_inc_stuff(MidiChannelAdl *mc, Struct10 *s10, Struct11 *s11);
|
|
static void mc_init_stuff(MidiChannelAdl *mc, Struct10 *s10, Struct11 *s11, byte flags, InstrumentExtra *ie);
|
|
static void struct10_init(Struct10 *s10, InstrumentExtra *ie);
|
|
static byte struct10_ontimer(Struct10 *s10, Struct11 *s11);
|
|
static void struct10_setup(Struct10 *s10);
|
|
static int random_nr(int a);
|
|
void mc_key_on(MidiChannel *mc, byte note, byte velocity);
|
|
|
|
static void premix_proc(void *param, int16 *buf, uint len);
|
|
|
|
public:
|
|
IMuseAdlib(SoundMixer *mixer) { _mixer = mixer; }
|
|
void uninit();
|
|
void init(IMuse *eng, OSystem *syst);
|
|
void update_pris() { }
|
|
void generate_samples(int16 *buf, int len);
|
|
void on_timer();
|
|
void set_instrument(uint slot, byte *instr);
|
|
void part_set_instrument(Part *part, Instrument *instr);
|
|
void part_key_on(Part *part, byte note, byte velocity);
|
|
void part_key_off(Part *part, byte note);
|
|
void part_set_param(Part *part, byte param, int value);
|
|
void part_changed(Part *part,byte what);
|
|
void part_off(Part *part);
|
|
int part_update_active(Part *part,uint16 *active);
|
|
void adjust_priorities() {}
|
|
|
|
uint32 get_base_tempo() {
|
|
#ifdef _WIN32_WCE
|
|
return 0x1F0000 * 2; // Sampled down to 11 kHz
|
|
#else //_WIN32_WCE
|
|
return 0x1924E0;
|
|
#endif //_WIN32_WCE
|
|
}
|
|
|
|
byte get_hardware_type() { return 1; }
|
|
};
|
|
|
|
|
|
/* IMuseGM classes */
|
|
|
|
class IMuseGM : public IMuseDriver {
|
|
IMuse *_se;
|
|
OSystem *_system;
|
|
MidiDriver *_md;
|
|
MidiChannelGM _midi_channels[9];
|
|
|
|
int16 _midi_pitchbend_last[16];
|
|
uint8 _midi_volume_last[16];
|
|
bool _midi_pedal_last[16];
|
|
byte _midi_modwheel_last[16];
|
|
byte _midi_effectlevel_last[16];
|
|
byte _midi_chorus_last[16];
|
|
int8 _midi_pan_last[16];
|
|
|
|
|
|
void midiPitchBend(byte chan, int16 pitchbend);
|
|
void midiVolume(byte chan, byte volume);
|
|
void midiPedal(byte chan, bool pedal);
|
|
void midiModWheel(byte chan, byte modwheel);
|
|
void midiEffectLevel(byte chan, byte level);
|
|
void midiChorus(byte chan, byte chorus);
|
|
void midiControl0(byte chan, byte value);
|
|
void midiProgram(byte chan, byte program);
|
|
void midiPan(byte chan, int8 pan);
|
|
void midiNoteOn(byte chan, byte note, byte velocity);
|
|
void midiNoteOff(byte chan, byte note);
|
|
void midiSilence(byte chan);
|
|
void midiInit();
|
|
|
|
public:
|
|
IMuseGM(MidiDriver *midi) { _md = midi; }
|
|
|
|
void uninit();
|
|
void init(IMuse *eng, OSystem *os);
|
|
void update_pris();
|
|
void part_off(Part *part);
|
|
int part_update_active(Part *part,uint16 *active);
|
|
|
|
void on_timer() {}
|
|
void set_instrument(uint slot, byte *instr) {}
|
|
void part_set_instrument(Part *part, Instrument *instr) {}
|
|
void part_set_param(Part *part, byte param, int value) {}
|
|
void part_key_on(Part *part, byte note, byte velocity);
|
|
void part_key_off(Part *part, byte note);
|
|
void part_changed(Part *part,byte what);
|
|
|
|
static int midi_driver_thread(void *param);
|
|
|
|
uint32 get_base_tempo() { return 0x400000; }
|
|
byte get_hardware_type() { return 5; }
|
|
};
|
|
|
|
|
|
|
|
//*********************************
|
|
//**** IMUSE helper functions ****
|
|
//*********************************
|
|
|
|
|
|
static int clamp(int val, int min, int max)
|
|
{
|
|
if (val < min)
|
|
return min;
|
|
if (val > max)
|
|
return max;
|
|
return val;
|
|
}
|
|
|
|
static int transpose_clamp(int a, int b, int c)
|
|
{
|
|
if (b > a)
|
|
a += (b - a + 11) / 12 * 12;
|
|
if (c < a)
|
|
a -= (a - c + 11) / 12 * 12;
|
|
return a;
|
|
}
|
|
|
|
static uint32 get_delta_time(byte **s)
|
|
{
|
|
byte *d = *s, b;
|
|
uint32 time = 0;
|
|
do {
|
|
b = *d++;
|
|
time = (time << 7) | (b & 0x7F);
|
|
} while (b & 0x80);
|
|
*s = d;
|
|
return time;
|
|
}
|
|
|
|
static uint read_word(byte *a)
|
|
{
|
|
return (a[0] << 8) + a[1];
|
|
}
|
|
|
|
static void skip_midi_cmd(byte **song_ptr)
|
|
{
|
|
byte *s, code;
|
|
|
|
const byte num_skip[] = {
|
|
2, 2, 2, 2, 1, 1, 2
|
|
};
|
|
|
|
s = *song_ptr;
|
|
|
|
code = *s++;
|
|
|
|
if (code < 0x80) {
|
|
s = NULL;
|
|
} else if (code < 0xF0) {
|
|
s += num_skip[(code & 0x70) >> 4];
|
|
} else {
|
|
if (code == 0xF0 || code == 0xF7 || code == 0xFF && *s++ != 0x2F) {
|
|
s += get_delta_time(&s);
|
|
} else {
|
|
s = NULL;
|
|
}
|
|
}
|
|
*song_ptr = s;
|
|
}
|
|
|
|
static int is_note_cmd(byte **a, IsNoteCmdData * isnote)
|
|
{
|
|
byte *s = *a;
|
|
byte code;
|
|
|
|
code = *s++;
|
|
|
|
switch (code >> 4) {
|
|
case 8: /* key off */
|
|
isnote->chan = code & 0xF;
|
|
isnote->note = *s++;
|
|
isnote->vel = *s++;
|
|
*a = s;
|
|
return 1;
|
|
case 9: /* key on */
|
|
isnote->chan = code & 0xF;
|
|
isnote->note = *s++;
|
|
isnote->vel = *s++;
|
|
*a = s;
|
|
if (isnote->vel)
|
|
return 2;
|
|
return 1;
|
|
case 0xA:
|
|
case 0xB:
|
|
case 0xE:
|
|
s++;
|
|
case 0xC:
|
|
case 0xD:
|
|
s++;
|
|
break;
|
|
case 0xF:
|
|
if (code == 0xF0 || code == 0xF7 || code == 0xFF && *s++ != 0x2F) {
|
|
s += get_delta_time(&s);
|
|
break;
|
|
}
|
|
return -1;
|
|
default:
|
|
return -1;
|
|
}
|
|
*a = s;
|
|
return 0;
|
|
}
|
|
|
|
/**********************************************************************/
|
|
|
|
void IMuse::lock()
|
|
{
|
|
_locked++;
|
|
}
|
|
|
|
void IMuse::unlock()
|
|
{
|
|
_locked--;
|
|
}
|
|
|
|
byte *IMuse::findTag(int sound, char *tag, int index)
|
|
{
|
|
byte *ptr = NULL;
|
|
int32 size, pos;
|
|
|
|
if (_base_sounds)
|
|
ptr = _base_sounds[sound];
|
|
|
|
if (ptr == NULL) {
|
|
// debug(1, "IMuse::findTag completely failed finding sound %d",
|
|
// sound);
|
|
return NULL;
|
|
|
|
}
|
|
|
|
ptr += 8;
|
|
size = READ_BE_UINT32_UNALIGNED(ptr);
|
|
ptr += 4;
|
|
|
|
pos = 0;
|
|
|
|
while (pos < size) {
|
|
if (!memcmp(ptr + pos, tag, 4) && !index--)
|
|
return ptr + pos + 8;
|
|
pos += READ_BE_UINT32_UNALIGNED(ptr + pos + 4) + 8;
|
|
}
|
|
|
|
debug(1, "IMuse::findTag failed finding sound %d", sound);
|
|
return NULL;
|
|
|
|
}
|
|
|
|
bool IMuse::start_sound(int sound)
|
|
{
|
|
Player *player;
|
|
void *mdhd;
|
|
|
|
mdhd = findTag(sound, MDHD_TAG, 0);
|
|
if (!mdhd) {
|
|
mdhd = findTag(sound, MDPG_TAG, 0);
|
|
if (!mdhd) {
|
|
warning("SE::start_sound failed: Couldn't find %s", MDHD_TAG);
|
|
return false;
|
|
}
|
|
}
|
|
player = allocate_player(128);
|
|
if (!player)
|
|
return false;
|
|
|
|
player->clear();
|
|
return player->start_sound(sound);
|
|
}
|
|
|
|
|
|
Player *IMuse::allocate_player(byte priority)
|
|
{
|
|
Player *player = _players, *best = NULL;
|
|
int i;
|
|
byte bestpri = 255;
|
|
|
|
for (i = ARRAYSIZE(_players); i != 0; i--, player++) {
|
|
if (!player->_active)
|
|
return player;
|
|
if (player->_priority < bestpri) {
|
|
best = player;
|
|
bestpri = player->_priority;
|
|
}
|
|
}
|
|
|
|
if (bestpri < priority)
|
|
return best;
|
|
|
|
debug(1, "Denying player request");
|
|
return NULL;
|
|
}
|
|
|
|
void IMuse::init_players()
|
|
{
|
|
Player *player = _players;
|
|
int i;
|
|
|
|
for (i = ARRAYSIZE(_players); i != 0; i--, player++) {
|
|
player->_active = false;
|
|
player->_se = this;
|
|
}
|
|
}
|
|
|
|
void IMuse::init_sustaining_notes()
|
|
{
|
|
SustainingNotes *next = NULL, *sn = _sustaining_notes;
|
|
int i;
|
|
|
|
_sustain_notes_used = NULL;
|
|
_sustain_notes_head = NULL;
|
|
|
|
for (i = ARRAYSIZE(_sustaining_notes); i != 0; i--, sn++) {
|
|
sn->next = next;
|
|
next = sn;
|
|
}
|
|
_sustain_notes_free = next;
|
|
}
|
|
|
|
void IMuse::init_volume_fader()
|
|
{
|
|
VolumeFader *vf = _volume_fader;
|
|
int i;
|
|
|
|
for (i = ARRAYSIZE(_volume_fader); i != 0; i--, vf++)
|
|
vf->initialize();
|
|
|
|
_active_volume_faders = false;
|
|
}
|
|
|
|
void IMuse::init_parts()
|
|
{
|
|
Part *part;
|
|
int i;
|
|
|
|
for (i = 0, part = _parts; i != ARRAYSIZE(_parts); i++, part++) {
|
|
part->init(_driver);
|
|
part->_slot = i;
|
|
}
|
|
}
|
|
|
|
int IMuse::stop_sound(int sound)
|
|
{
|
|
Player *player = _players;
|
|
int i;
|
|
int r = -1;
|
|
|
|
for (i = ARRAYSIZE(_players); i != 0; i--, player++) {
|
|
if (player->_active && player->_id == sound) {
|
|
player->clear();
|
|
r = 0;
|
|
}
|
|
}
|
|
return r;
|
|
}
|
|
|
|
int IMuse::stop_all_sounds()
|
|
{
|
|
Player *player = _players;
|
|
int i;
|
|
|
|
for (i = ARRAYSIZE(_players); i != 0; i--, player++) {
|
|
if (player->_active)
|
|
player->clear();
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void IMuse::on_timer()
|
|
{
|
|
if (_locked || _paused)
|
|
return;
|
|
|
|
lock();
|
|
|
|
sequencer_timers();
|
|
expire_sustain_notes();
|
|
expire_volume_faders();
|
|
_driver->on_timer();
|
|
|
|
unlock();
|
|
}
|
|
|
|
void IMuse::sequencer_timers()
|
|
{
|
|
Player *player = _players;
|
|
int i;
|
|
|
|
for (i = ARRAYSIZE(_players); i != 0; i--, player++) {
|
|
if (player->_active)
|
|
player->sequencer_timer();
|
|
}
|
|
}
|
|
|
|
void Player::sequencer_timer()
|
|
{
|
|
byte *mtrk;
|
|
uint32 counter;
|
|
byte *song_ptr;
|
|
|
|
counter = _timer_counter + _timer_speed;
|
|
_timer_counter = counter & 0xFFFF;
|
|
_cur_pos += counter >> 16;
|
|
_tick_index += counter >> 16;
|
|
|
|
if (_tick_index >= _ticks_per_beat) {
|
|
_beat_index += _tick_index / _ticks_per_beat;
|
|
_tick_index %= _ticks_per_beat;
|
|
}
|
|
if (_loop_counter && _beat_index >= _loop_from_beat
|
|
&& _tick_index >= _loop_from_tick) {
|
|
_loop_counter--;
|
|
jump(_track_index, _loop_to_beat, _loop_to_tick);
|
|
}
|
|
if (_next_pos <= _cur_pos) {
|
|
mtrk = _se->findTag(_song_index, "MTrk", _track_index);
|
|
if (!mtrk) {
|
|
warning("Sound %d was unloaded while active", _song_index);
|
|
clear();
|
|
} else {
|
|
song_ptr = mtrk + _song_offset;
|
|
_abort = false;
|
|
|
|
while (_next_pos <= _cur_pos) {
|
|
song_ptr = parse_midi(song_ptr);
|
|
if (!song_ptr || _abort)
|
|
return;
|
|
_next_pos += get_delta_time(&song_ptr);
|
|
}
|
|
_song_offset = song_ptr - mtrk;
|
|
}
|
|
}
|
|
}
|
|
|
|
void IMuse::handle_marker(uint id, byte data)
|
|
{
|
|
uint16 *p;
|
|
uint pos;
|
|
|
|
pos = _queue_end;
|
|
if (pos == _queue_pos)
|
|
return;
|
|
|
|
if (_queue_adding && _queue_sound == id && data == _queue_marker)
|
|
return;
|
|
|
|
p = _cmd_queue[pos].array;
|
|
|
|
if (p[0] != TRIGGER_ID || p[1] != id || p[2] != data)
|
|
return;
|
|
|
|
_trigger_count--;
|
|
_queue_cleared = false;
|
|
do {
|
|
pos = (pos + 1) & (ARRAYSIZE(_cmd_queue) - 1);
|
|
if (_queue_pos == pos)
|
|
break;
|
|
p = _cmd_queue[pos].array;
|
|
if (*p++ != COMMAND_ID)
|
|
break;
|
|
_queue_end = pos;
|
|
|
|
do_command(p[0], p[1], p[2], p[3], p[4], p[5], p[6], 0);
|
|
|
|
if (_queue_cleared)
|
|
return;
|
|
pos = _queue_end;
|
|
} while (1);
|
|
|
|
_queue_end = pos;
|
|
}
|
|
|
|
int IMuse::get_channel_volume(uint a)
|
|
{
|
|
if (a < 8)
|
|
return _channel_volume_eff[a];
|
|
return _master_volume;
|
|
}
|
|
|
|
Part *IMuse::allocate_part(byte pri)
|
|
{
|
|
Part *part, *best = NULL;
|
|
int i;
|
|
|
|
for (i = ARRAYSIZE(_parts), part = _parts; i != 0; i--, part++) {
|
|
if (!part->_player)
|
|
return part;
|
|
if (pri >= part->_pri_eff) {
|
|
pri = part->_pri_eff;
|
|
best = part;
|
|
}
|
|
}
|
|
|
|
if (best)
|
|
best->uninit();
|
|
else
|
|
debug(1, "Denying part request");
|
|
return best;
|
|
}
|
|
|
|
void IMuse::expire_sustain_notes()
|
|
{
|
|
SustainingNotes *sn, *next;
|
|
Player *player;
|
|
uint32 counter;
|
|
|
|
for (sn = _sustain_notes_head; sn; sn = next) {
|
|
next = sn->next;
|
|
player = sn->player;
|
|
|
|
counter = sn->counter + player->_timer_speed;
|
|
sn->pos += counter >> 16;
|
|
sn->counter = (unsigned short)counter & 0xFFFF;
|
|
|
|
if (sn->pos >= sn->off_pos) {
|
|
player->key_off(sn->chan, sn->note);
|
|
|
|
/* Unlink the node */
|
|
if (next)
|
|
next->prev = sn->prev;
|
|
if (sn->prev)
|
|
sn->prev->next = next;
|
|
else
|
|
_sustain_notes_head = next;
|
|
|
|
/* And put it in the free list */
|
|
sn->next = _sustain_notes_free;
|
|
_sustain_notes_free = sn;
|
|
}
|
|
}
|
|
}
|
|
|
|
void IMuse::expire_volume_faders()
|
|
{
|
|
VolumeFader *vf;
|
|
int i;
|
|
|
|
if (++_volume_fader_counter & 7)
|
|
return;
|
|
|
|
if (!_active_volume_faders)
|
|
return;
|
|
|
|
_active_volume_faders = false;
|
|
vf = _volume_fader;
|
|
for (i = ARRAYSIZE(_volume_fader); i != 0; i--, vf++) {
|
|
if (vf->active) {
|
|
_active_volume_faders = true;
|
|
vf->on_timer();
|
|
}
|
|
}
|
|
}
|
|
|
|
void VolumeFader::on_timer()
|
|
{
|
|
byte newvol;
|
|
|
|
newvol = curvol + speed_hi;
|
|
speed_lo_counter += speed_lo;
|
|
|
|
if (speed_lo_counter >= speed_lo_max) {
|
|
speed_lo_counter -= speed_lo_max;
|
|
newvol += direction;
|
|
}
|
|
|
|
if (curvol != newvol) {
|
|
if (!newvol) {
|
|
player->clear();
|
|
active = false;
|
|
return;
|
|
}
|
|
curvol = newvol;
|
|
player->set_vol(newvol);
|
|
}
|
|
|
|
if (!--num_steps) {
|
|
active = false;
|
|
}
|
|
}
|
|
|
|
int IMuse::get_sound_status(int sound)
|
|
{
|
|
int i;
|
|
Player *player;
|
|
|
|
for (i = ARRAYSIZE(_players), player = _players; i != 0; i--, player++) {
|
|
if (player->_active && player->_id == (uint16)sound)
|
|
return 1;
|
|
}
|
|
return get_queue_sound_status(sound);
|
|
}
|
|
|
|
int IMuse::get_queue_sound_status(int sound)
|
|
{
|
|
uint16 *a;
|
|
int i, j;
|
|
|
|
j = _queue_pos;
|
|
i = _queue_end;
|
|
|
|
while (i != j) {
|
|
a = _cmd_queue[i].array;
|
|
if (a[0] == COMMAND_ID && a[1] == 8 && a[2] == (uint16)sound)
|
|
return 2;
|
|
i = (i + 1) & (ARRAYSIZE(_cmd_queue) - 1);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int IMuse::set_volchan(int sound, int volchan)
|
|
{
|
|
int r;
|
|
int i;
|
|
int num;
|
|
Player *player, *best, *sameid;
|
|
|
|
r = get_volchan_entry(volchan);
|
|
if (r == -1)
|
|
return -1;
|
|
|
|
if (r >= 8) {
|
|
for (i = ARRAYSIZE(_players), player = _players; i != 0; i--, player++) {
|
|
if (player->_active && player->_id == (uint16)sound
|
|
&& player->_vol_chan != (uint16)volchan) {
|
|
player->_vol_chan = volchan;
|
|
player->set_vol(player->_volume);
|
|
return 0;
|
|
}
|
|
}
|
|
return -1;
|
|
} else {
|
|
best = NULL;
|
|
num = 0;
|
|
sameid = NULL;
|
|
for (i = ARRAYSIZE(_players), player = _players; i != 0; i--, player++) {
|
|
if (player->_active) {
|
|
if (player->_vol_chan == (uint16)volchan) {
|
|
num++;
|
|
if (!best || player->_priority <= best->_priority)
|
|
best = player;
|
|
} else if (player->_id == (uint16)sound) {
|
|
sameid = player;
|
|
}
|
|
}
|
|
}
|
|
if (sameid == NULL)
|
|
return -1;
|
|
if (num >= r)
|
|
best->clear();
|
|
player->_vol_chan = volchan;
|
|
player->set_vol(player->_volume);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
int IMuse::clear_queue()
|
|
{
|
|
_queue_adding = false;
|
|
_queue_cleared = true;
|
|
_queue_pos = 0;
|
|
_queue_end = 0;
|
|
_trigger_count = 0;
|
|
return 0;
|
|
}
|
|
|
|
int IMuse::enqueue_command(int a, int b, int c, int d, int e, int f,
|
|
int g)
|
|
{
|
|
uint16 *p;
|
|
uint i;
|
|
|
|
i = _queue_pos;
|
|
|
|
if (i == _queue_end)
|
|
return -1;
|
|
|
|
if (a == -1) {
|
|
_queue_adding = false;
|
|
_trigger_count++;
|
|
return 0;
|
|
}
|
|
|
|
p = _cmd_queue[_queue_pos].array;
|
|
p[0] = COMMAND_ID;
|
|
p[1] = a;
|
|
p[2] = b;
|
|
p[3] = c;
|
|
p[4] = d;
|
|
p[5] = e;
|
|
p[6] = f;
|
|
p[7] = g;
|
|
|
|
i = (i + 1) & (ARRAYSIZE(_cmd_queue) - 1);
|
|
|
|
if (_queue_end != i) {
|
|
_queue_pos = i;
|
|
return 0;
|
|
} else {
|
|
_queue_pos = (i - 1) & (ARRAYSIZE(_cmd_queue) - 1);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
int IMuse::query_queue(int param)
|
|
{
|
|
switch (param) {
|
|
case 0: /* get trigger count */
|
|
return _trigger_count;
|
|
case 1: /* get trigger type */
|
|
if (_queue_end == _queue_pos)
|
|
return -1;
|
|
return _cmd_queue[_queue_end].array[1];
|
|
case 2: /* get trigger sound */
|
|
if (_queue_end == _queue_pos)
|
|
return 0xFF;
|
|
return _cmd_queue[_queue_end].array[2];
|
|
default:
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
int IMuse::get_music_volume()
|
|
{
|
|
return _music_volume;
|
|
}
|
|
|
|
int IMuse::set_music_volume(uint vol)
|
|
{
|
|
if (vol > 100)
|
|
vol = 100;
|
|
|
|
if (vol < 1)
|
|
vol = 1;
|
|
|
|
_music_volume = vol;
|
|
return 0;
|
|
}
|
|
|
|
int IMuse::set_master_volume(uint vol)
|
|
{
|
|
int i;
|
|
if (vol > 127)
|
|
return -1;
|
|
|
|
if (_music_volume > 0)
|
|
vol = vol / (100 / _music_volume);
|
|
|
|
_master_volume = vol;
|
|
// _s->_sound_volume_master = vol;
|
|
for (i = 0; i != 8; i++)
|
|
_channel_volume_eff[i] = (_channel_volume[i] + 1) * vol >> 7;
|
|
update_volumes();
|
|
return 0;
|
|
}
|
|
|
|
int IMuse::get_master_volume()
|
|
{
|
|
return _master_volume;
|
|
}
|
|
|
|
int IMuse::terminate()
|
|
{
|
|
return 0;
|
|
/* not implemented */
|
|
}
|
|
|
|
|
|
int IMuse::enqueue_trigger(int sound, int marker)
|
|
{
|
|
uint16 *p;
|
|
uint pos;
|
|
|
|
pos = _queue_pos;
|
|
|
|
p = _cmd_queue[pos].array;
|
|
p[0] = TRIGGER_ID;
|
|
p[1] = sound;
|
|
p[2] = marker;
|
|
|
|
pos = (pos + 1) & (ARRAYSIZE(_cmd_queue) - 1);
|
|
if (_queue_end == pos) {
|
|
_queue_pos = (pos - 1) & (ARRAYSIZE(_cmd_queue) - 1);
|
|
return -1;
|
|
}
|
|
|
|
_queue_pos = pos;
|
|
_queue_adding = true;
|
|
_queue_sound = sound;
|
|
_queue_marker = marker;
|
|
return 0;
|
|
}
|
|
|
|
int32 IMuse::do_command(int a, int b, int c, int d, int e, int f, int g,
|
|
int h)
|
|
{
|
|
byte cmd = a & 0xFF;
|
|
byte param = a >> 8;
|
|
Player *player = NULL;
|
|
|
|
if (!_initialized && (cmd || param))
|
|
return -1;
|
|
|
|
if (param == 0) {
|
|
switch (cmd) {
|
|
case 6:
|
|
return set_master_volume(b);
|
|
case 7:
|
|
return get_master_volume();
|
|
case 8:
|
|
return start_sound(b) ? 0 : -1;
|
|
case 9:
|
|
return stop_sound(b);
|
|
|
|
case 10:
|
|
|
|
return stop_all_sounds(); //FIXME
|
|
case 11:
|
|
return stop_all_sounds();
|
|
case 13:
|
|
return get_sound_status(b);
|
|
case 14:
|
|
return stop_sound(b); //FIXME should be something like fade off
|
|
case 16:
|
|
return set_volchan(b, c);
|
|
case 17:
|
|
return set_channel_volume(b, c);
|
|
case 18:
|
|
return set_volchan_entry(b, c);
|
|
case 19:
|
|
return stop_sound(b); //FIXME
|
|
case 20:
|
|
return stop_sound(b); //FIXME
|
|
case 2:
|
|
case 3:
|
|
return 0;
|
|
default:
|
|
warning("IMuse::do_command invalid command %d", cmd);
|
|
}
|
|
} else if (param == 1) {
|
|
|
|
if ((1 << cmd) & (0x783FFF)) {
|
|
player = get_player_byid(b);
|
|
if (!player)
|
|
return -1;
|
|
if ((1 << cmd) & (1 << 11 | 1 << 22)) {
|
|
assert(c >= 0 && c <= 15);
|
|
player = (Player *)player->get_part(c);
|
|
if (!player)
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
switch (cmd) {
|
|
case 0:
|
|
return player->get_param(c, d);
|
|
case 1:
|
|
player->set_priority(c);
|
|
return 0;
|
|
case 2:
|
|
return player->set_vol(c);
|
|
case 3:
|
|
player->set_pan(c);
|
|
return 0;
|
|
case 4:
|
|
return player->set_transpose(c, d);
|
|
case 5:
|
|
player->set_detune(c);
|
|
return 0;
|
|
case 6:
|
|
player->set_speed(c);
|
|
return 0;
|
|
case 7:
|
|
return player->jump(c, d, e) ? 0 : -1;
|
|
case 8:
|
|
return player->scan(c, d, e);
|
|
case 9:
|
|
return player->set_loop(c, d, e, f, g) ? 0 : -1;
|
|
case 10:
|
|
player->clear_loop();
|
|
return 0;
|
|
case 11:
|
|
((Part *)player)->set_onoff(d != 0);
|
|
return 0;
|
|
case 12:
|
|
return player->_hook.set(c, d, e);
|
|
case 13:
|
|
return player->fade_vol(c, d);
|
|
case 14:
|
|
return enqueue_trigger(b, c);
|
|
case 15:
|
|
return enqueue_command(b, c, d, e, f, g, h);
|
|
case 16:
|
|
return clear_queue();
|
|
case 19:
|
|
return player->get_param(c, d);
|
|
case 20:
|
|
return player->_hook.set(c, d, e);
|
|
case 21:
|
|
return -1;
|
|
case 22:
|
|
((Part *)player)->set_vol(d);
|
|
return 0;
|
|
case 23:
|
|
return query_queue(b);
|
|
case 24:
|
|
return 0;
|
|
default:
|
|
warning("IMuse::do_command default midi command %d", cmd);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
int IMuse::set_channel_volume(uint chan, uint vol)
|
|
{
|
|
if (chan >= 8 || vol > 127)
|
|
return -1;
|
|
|
|
_channel_volume[chan] = vol;
|
|
_channel_volume_eff[chan] = _master_volume * (vol + 1) >> 7;
|
|
update_volumes();
|
|
return 0;
|
|
}
|
|
|
|
void IMuse::update_volumes()
|
|
{
|
|
Player *player;
|
|
int i;
|
|
|
|
for (i = ARRAYSIZE(_players), player = _players; i != 0; i--, player++) {
|
|
if (player->_active)
|
|
player->set_vol(player->_volume);
|
|
}
|
|
}
|
|
|
|
int IMuse::set_volchan_entry(uint a, uint b)
|
|
{
|
|
if (a >= 8)
|
|
return -1;
|
|
_volchan_table[a] = b;
|
|
return 0;
|
|
}
|
|
|
|
int HookDatas::query_param(int param, byte chan)
|
|
{
|
|
switch (param) {
|
|
case 18:
|
|
return _jump;
|
|
case 19:
|
|
return _transpose;
|
|
case 20:
|
|
return _part_onoff[chan];
|
|
case 21:
|
|
return _part_volume[chan];
|
|
case 22:
|
|
return _part_program[chan];
|
|
case 23:
|
|
return _part_transpose[chan];
|
|
default:
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
int HookDatas::set(byte cls, byte value, byte chan)
|
|
{
|
|
switch (cls) {
|
|
case 0:
|
|
_jump = value;
|
|
break;
|
|
case 1:
|
|
_transpose = value;
|
|
break;
|
|
case 2:
|
|
if (chan < 16)
|
|
_part_onoff[chan] = value;
|
|
else if (chan == 16)
|
|
memset(_part_onoff, value, 16);
|
|
break;
|
|
case 3:
|
|
if (chan < 16)
|
|
_part_volume[chan] = value;
|
|
else if (chan == 16)
|
|
memset(_part_volume, value, 16);
|
|
break;
|
|
case 4:
|
|
if (chan < 16)
|
|
_part_program[chan] = value;
|
|
else if (chan == 16)
|
|
memset(_part_program, value, 16);
|
|
break;
|
|
case 5:
|
|
if (chan < 16)
|
|
_part_transpose[chan] = value;
|
|
else if (chan == 16)
|
|
memset(_part_transpose, value, 16);
|
|
break;
|
|
default:
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
VolumeFader *IMuse::allocate_volume_fader()
|
|
{
|
|
VolumeFader *vf;
|
|
int i;
|
|
|
|
vf = _volume_fader;
|
|
for (i = ARRAYSIZE(_volume_fader); vf->active;) {
|
|
vf++;
|
|
if (!--i)
|
|
return NULL;
|
|
}
|
|
|
|
vf->active = true;
|
|
_active_volume_faders = true;
|
|
return vf;
|
|
}
|
|
|
|
Player *IMuse::get_player_byid(int id)
|
|
{
|
|
int i;
|
|
Player *player, *found = NULL;
|
|
|
|
for (i = ARRAYSIZE(_players), player = _players; i != 0; i--, player++) {
|
|
if (player->_active && player->_id == (uint16)id) {
|
|
if (found)
|
|
return NULL;
|
|
found = player;
|
|
}
|
|
}
|
|
return found;
|
|
}
|
|
|
|
int IMuse::get_volchan_entry(uint a)
|
|
{
|
|
if (a < 8)
|
|
return _volchan_table[a];
|
|
return -1;
|
|
}
|
|
|
|
uint32 IMuse::property(int prop, uint32 value) {
|
|
switch(prop) {
|
|
case PROP_TEMPO_BASE:
|
|
_game_tempo = value;
|
|
break;
|
|
|
|
case PROP_MT32_EMULATE:
|
|
_mt32emulate = !!value;
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void IMuse::setBase(byte **base) {
|
|
_base_sounds = base;
|
|
}
|
|
|
|
|
|
IMuse *IMuse::create(OSystem *syst, MidiDriver *midi, SoundMixer *mixer) {
|
|
IMuse *i = new IMuse;
|
|
i->initialize(syst, midi, mixer);
|
|
return i;
|
|
}
|
|
|
|
|
|
int IMuse::initialize(OSystem *syst, MidiDriver *midi, SoundMixer *mixer)
|
|
{
|
|
int i;
|
|
|
|
IMuseDriver *driv;
|
|
|
|
if (midi == NULL) {
|
|
driv = new IMuseAdlib(mixer);
|
|
} else {
|
|
driv = new IMuseGM(midi);
|
|
}
|
|
|
|
_driver = driv;
|
|
_hardware_type = driv->get_hardware_type();
|
|
_game_tempo = driv->get_base_tempo();
|
|
|
|
driv->init(this,syst);
|
|
|
|
_master_volume = 127;
|
|
if (_music_volume < 1)
|
|
_music_volume = 60;
|
|
|
|
for (i = 0; i != 8; i++)
|
|
_channel_volume[i] = _channel_volume_eff[i] = _volchan_table[i] = 127;
|
|
|
|
init_players();
|
|
init_sustaining_notes();
|
|
init_volume_fader();
|
|
init_queue();
|
|
init_parts();
|
|
|
|
_initialized = true;
|
|
|
|
return 0;
|
|
}
|
|
|
|
void IMuse::init_queue()
|
|
{
|
|
_queue_adding = false;
|
|
_queue_pos = 0;
|
|
_queue_end = 0;
|
|
_trigger_count = 0;
|
|
}
|
|
|
|
void IMuse::pause(bool paused)
|
|
{
|
|
lock();
|
|
|
|
int i;
|
|
Part *part;
|
|
|
|
for (i = ARRAYSIZE(_parts), part = _parts; i != 0; i--, part++) {
|
|
if (part->_player) {
|
|
if (paused) {
|
|
part->_vol_eff = 0;
|
|
} else {
|
|
part->set_vol(part->_vol);
|
|
}
|
|
part->changed(IMuseDriver::pcVolume);
|
|
}
|
|
}
|
|
|
|
_paused = paused;
|
|
|
|
unlock();
|
|
}
|
|
|
|
|
|
/*************************************************************************/
|
|
|
|
int Player::fade_vol(byte vol, int time)
|
|
{
|
|
VolumeFader *vf;
|
|
int i;
|
|
|
|
cancel_volume_fade();
|
|
if (time == 0) {
|
|
set_vol(vol);
|
|
return 0;
|
|
}
|
|
|
|
vf = _se->allocate_volume_fader();
|
|
if (vf == NULL)
|
|
return -1;
|
|
|
|
vf->player = this;
|
|
vf->num_steps = vf->speed_lo_max = time;
|
|
vf->curvol = _volume;
|
|
i = (vol - vf->curvol);
|
|
vf->speed_hi = i / time;
|
|
if (i < 0) {
|
|
i = -i;
|
|
vf->direction = -1;
|
|
} else {
|
|
vf->direction = 1;
|
|
}
|
|
vf->speed_lo = i % time;
|
|
vf->speed_lo_counter = 0;
|
|
return 0;
|
|
}
|
|
|
|
void Player::clear()
|
|
{
|
|
uninit_seq();
|
|
cancel_volume_fade();
|
|
uninit_parts();
|
|
_active = false;
|
|
_ticks_per_beat = TICKS_PER_BEAT;
|
|
}
|
|
|
|
bool Player::start_sound(int sound)
|
|
{
|
|
void *mdhd;
|
|
|
|
mdhd = _se->findTag(sound, MDHD_TAG, 0);
|
|
if (mdhd == NULL) {
|
|
mdhd = _se->findTag(sound, MDPG_TAG, 0);
|
|
if (mdhd == NULL) {
|
|
warning("P::start_sound failed: Couldn't find %s", MDHD_TAG);
|
|
return false;
|
|
}
|
|
}
|
|
_parts = NULL;
|
|
_active = true;
|
|
_id = sound;
|
|
_priority = 0x80;
|
|
_volume = 0x7F;
|
|
_vol_chan = 0xFFFF;
|
|
|
|
_vol_eff = (_se->get_channel_volume(0xFFFF) << 7) >> 7;
|
|
|
|
_pan = 0;
|
|
_transpose = 0;
|
|
_detune = 0;
|
|
|
|
hook_clear();
|
|
if (start_seq_sound(sound) != 0) {
|
|
_active = false;
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void Player::hook_clear()
|
|
{
|
|
memset(&_hook, 0, sizeof(_hook));
|
|
}
|
|
|
|
int Player::start_seq_sound(int sound)
|
|
{
|
|
byte *ptr, *track_ptr;
|
|
|
|
_song_index = sound;
|
|
_timer_counter = 0;
|
|
_loop_to_beat = 1;
|
|
_loop_from_beat = 1;
|
|
_track_index = 0;
|
|
_loop_counter = 0;
|
|
_loop_to_tick = 0;
|
|
_loop_from_tick = 0;
|
|
|
|
set_tempo(500000);
|
|
set_speed(128);
|
|
ptr = _se->findTag(sound, "MTrk", _track_index);
|
|
if (ptr == NULL)
|
|
return -1;
|
|
|
|
track_ptr = ptr;
|
|
_cur_pos = _next_pos = get_delta_time(&track_ptr);
|
|
_song_offset = track_ptr - ptr;
|
|
|
|
_tick_index = _cur_pos;
|
|
_beat_index = 1;
|
|
|
|
if (_tick_index >= _ticks_per_beat) {
|
|
_beat_index += _tick_index / _ticks_per_beat;
|
|
_tick_index %= _ticks_per_beat;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void Player::set_tempo(uint32 b)
|
|
{
|
|
uint32 i, j;
|
|
|
|
i = _se->_game_tempo;
|
|
|
|
j = _tempo = b;
|
|
|
|
while (i & 0xFFFF0000 || j & 0xFFFF0000) {
|
|
i >>= 1;
|
|
j >>= 1;
|
|
}
|
|
|
|
_tempo_eff = (i << 16) / j;
|
|
|
|
set_speed(_speed);
|
|
}
|
|
|
|
void Player::cancel_volume_fade()
|
|
{
|
|
VolumeFader *vf = _se->_volume_fader;
|
|
int i;
|
|
|
|
for (i = 0; i < 8; i++, vf++) {
|
|
if (vf->active && vf->player == this)
|
|
vf->active = false;
|
|
}
|
|
}
|
|
|
|
void Player::uninit_parts()
|
|
{
|
|
if (_parts && _parts->_player != this)
|
|
error("asd");
|
|
while (_parts)
|
|
_parts->uninit();
|
|
}
|
|
|
|
void Player::uninit_seq()
|
|
{
|
|
_abort = true;
|
|
}
|
|
|
|
void Player::set_speed(byte speed)
|
|
{
|
|
_speed = speed;
|
|
_timer_speed = (_tempo_eff * speed >> 7);
|
|
}
|
|
|
|
byte *Player::parse_midi(byte *s)
|
|
{
|
|
byte cmd, chan, note, velocity, control;
|
|
uint value;
|
|
Part *part;
|
|
|
|
cmd = *s++;
|
|
|
|
chan = cmd & 0xF;
|
|
|
|
switch (cmd >> 4) {
|
|
case 0x8: /* key off */
|
|
note = *s++;
|
|
if (!_scanning) {
|
|
key_off(chan, note);
|
|
} else {
|
|
clear_active_note(chan, note);
|
|
}
|
|
s++; /* skip velocity */
|
|
break;
|
|
|
|
case 0x9: /* key on */
|
|
note = *s++;
|
|
velocity = *s++;
|
|
if (velocity) {
|
|
if (!_scanning)
|
|
key_on(chan, note, velocity);
|
|
else
|
|
set_active_note(chan, note);
|
|
} else {
|
|
if (!_scanning)
|
|
key_off(chan, note);
|
|
else
|
|
clear_active_note(chan, note);
|
|
}
|
|
break;
|
|
|
|
case 0xA: /* aftertouch */
|
|
s += 2;
|
|
break;
|
|
|
|
case 0xB: /* control change */
|
|
control = *s++;
|
|
value = *s++;
|
|
part = get_part(chan);
|
|
if (!part)
|
|
break;
|
|
|
|
switch (control) {
|
|
case 1: /* modulation wheel */
|
|
part->set_modwheel(value);
|
|
break;
|
|
case 7: /* volume */
|
|
part->set_vol(value);
|
|
break;
|
|
case 10: /* pan position */
|
|
part->set_pan(value - 0x40);
|
|
break;
|
|
case 16: /* pitchbend factor */
|
|
part->set_pitchbend_factor(value);
|
|
break;
|
|
case 17: /* gp slider 2 */
|
|
part->set_detune(value - 0x40);
|
|
break;
|
|
case 18: /* gp slider 3 */
|
|
part->set_pri(value - 0x40);
|
|
_se->_driver->update_pris();
|
|
break;
|
|
case 64: /* hold pedal */
|
|
part->set_pedal(value != 0);
|
|
break;
|
|
case 91: /* effects level */
|
|
part->set_effect_level(value);
|
|
break;
|
|
case 93: /* chorus */
|
|
part->set_chorus(value);
|
|
break;
|
|
default:
|
|
warning("parse_midi: invalid control %d", control);
|
|
}
|
|
break;
|
|
|
|
case 0xC: /* program change */
|
|
value = *s++;
|
|
part = get_part(chan);
|
|
if (part)
|
|
part->set_program(value);
|
|
break;
|
|
|
|
case 0xD: /* channel pressure */
|
|
s++;
|
|
break;
|
|
|
|
case 0xE: /* pitch bend */
|
|
part = get_part(chan);
|
|
if (part)
|
|
part->set_pitchbend(((s[1] - 0x40) << 7) | s[0]);
|
|
s += 2;
|
|
break;
|
|
|
|
case 0xF:
|
|
if (chan == 0) {
|
|
uint size = get_delta_time(&s);
|
|
if (*s == SYSEX_ID)
|
|
parse_sysex(s, size);
|
|
s += size;
|
|
} else if (chan == 0xF) {
|
|
cmd = *s++;
|
|
if (cmd == 47)
|
|
goto Error; /* end of song */
|
|
if (cmd == 81) {
|
|
set_tempo((s[1] << 16) | (s[2] << 8) | s[3]);
|
|
s += 4;
|
|
break;
|
|
}
|
|
s += get_delta_time(&s);
|
|
} else if (chan == 0x7) {
|
|
s += get_delta_time(&s);
|
|
} else {
|
|
goto Error;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
Error:;
|
|
if (!_scanning)
|
|
clear();
|
|
return NULL;
|
|
}
|
|
return s;
|
|
}
|
|
|
|
void Player::parse_sysex(byte *p, uint len)
|
|
{
|
|
byte code;
|
|
byte a;
|
|
uint b;
|
|
byte buf[128];
|
|
Part *part;
|
|
|
|
/* too big? */
|
|
if (len >= sizeof(buf) * 2)
|
|
return;
|
|
|
|
/* skip sysex manufacturer */
|
|
p++;
|
|
len -= 2;
|
|
|
|
switch (code = *p++) {
|
|
case 16: /* set instrument in part */
|
|
a = *p++ & 0x0F;
|
|
if (_se->_hardware_type != *p++)
|
|
break;
|
|
decode_sysex_bytes(p, buf, len - 3);
|
|
part = get_part(a);
|
|
if (part)
|
|
part->set_instrument((Instrument *) buf);
|
|
break;
|
|
|
|
case 17: /* set global instrument */
|
|
p++;
|
|
if (_se->_hardware_type != *p++)
|
|
break;
|
|
a = *p++;
|
|
decode_sysex_bytes(p, buf, len - 4);
|
|
_se->_driver->set_instrument(a, buf);
|
|
break;
|
|
|
|
case 33: /* param adjust */
|
|
a = *p++ & 0x0F;
|
|
if (_se->_hardware_type != *p++)
|
|
break;
|
|
decode_sysex_bytes(p, buf, len - 3);
|
|
part = get_part(a);
|
|
if (part)
|
|
part->set_param(read_word(buf), read_word(buf + 2));
|
|
break;
|
|
|
|
case 48: /* hook - jump */
|
|
if (_scanning)
|
|
break;
|
|
decode_sysex_bytes(p + 1, buf, len - 2);
|
|
maybe_jump(buf);
|
|
break;
|
|
|
|
case 49: /* hook - global transpose */
|
|
decode_sysex_bytes(p + 1, buf, len - 2);
|
|
maybe_set_transpose(buf);
|
|
break;
|
|
|
|
case 50: /* hook - part on/off */
|
|
buf[0] = *p++ & 0x0F;
|
|
decode_sysex_bytes(p, buf + 1, len - 2);
|
|
maybe_part_onoff(buf);
|
|
break;
|
|
|
|
case 51: /* hook - set volume */
|
|
buf[0] = *p++ & 0x0F;
|
|
decode_sysex_bytes(p, buf + 1, len - 2);
|
|
maybe_set_volume(buf);
|
|
break;
|
|
|
|
case 52: /* hook - set program */
|
|
buf[0] = *p++ & 0x0F;
|
|
decode_sysex_bytes(p, buf + 1, len - 2);
|
|
maybe_set_program(buf);
|
|
break;
|
|
|
|
case 53: /* hook - set transpose */
|
|
buf[0] = *p++ & 0x0F;
|
|
decode_sysex_bytes(p, buf + 1, len - 2);
|
|
maybe_set_transpose_part(buf);
|
|
break;
|
|
|
|
case 64: /* marker */
|
|
p++;
|
|
len -= 2;
|
|
while (len--) {
|
|
_se->handle_marker(_id, *p++);
|
|
}
|
|
break;
|
|
|
|
case 80: /* loop */
|
|
decode_sysex_bytes(p + 1, buf, len - 2);
|
|
set_loop(read_word(buf),
|
|
read_word(buf + 2),
|
|
read_word(buf + 4), read_word(buf + 6), read_word(buf + 8)
|
|
);
|
|
break;
|
|
|
|
case 81: /* end loop */
|
|
clear_loop();
|
|
break;
|
|
|
|
case 96: /* set instrument */
|
|
part = get_part(p[0] & 0x0F);
|
|
b =
|
|
(p[1] & 0x0F) << 12 | (p[2] & 0x0F) << 8 | (p[4] & 0x0F) << 4 | (p[4] &
|
|
0x0F);
|
|
if (part)
|
|
part->set_instrument(b);
|
|
break;
|
|
|
|
default:
|
|
debug(6, "unknown sysex %d", code);
|
|
}
|
|
}
|
|
|
|
void Player::decode_sysex_bytes(byte *src, byte *dst, int len)
|
|
{
|
|
while (len >= 0) {
|
|
*dst++ = (src[0] << 4) | (src[1] & 0xF);
|
|
src += 2;
|
|
len -= 2;
|
|
}
|
|
}
|
|
|
|
void Player::maybe_jump(byte *data)
|
|
{
|
|
byte cmd;
|
|
|
|
cmd = data[0];
|
|
|
|
/* is this the hook i'm waiting for? */
|
|
if (cmd && _hook._jump != cmd)
|
|
return;
|
|
|
|
/* reset hook? */
|
|
if (cmd != 0 && cmd < 0x80)
|
|
_hook._jump = 0;
|
|
|
|
jump(read_word(data + 1), read_word(data + 3), read_word(data + 5));
|
|
}
|
|
|
|
void Player::maybe_set_transpose(byte *data)
|
|
{
|
|
byte cmd;
|
|
|
|
cmd = data[0];
|
|
|
|
/* is this the hook i'm waiting for? */
|
|
if (cmd && _hook._transpose != cmd)
|
|
return;
|
|
|
|
/* reset hook? */
|
|
if (cmd != 0 && cmd < 0x80)
|
|
_hook._transpose = 0;
|
|
|
|
set_transpose(data[1], (int8) data[2]);
|
|
}
|
|
|
|
void Player::maybe_part_onoff(byte *data)
|
|
{
|
|
byte cmd, *p;
|
|
uint chan;
|
|
Part *part;
|
|
|
|
cmd = data[1];
|
|
chan = data[0];
|
|
|
|
p = &_hook._part_onoff[chan];
|
|
|
|
/* is this the hook i'm waiting for? */
|
|
if (cmd && *p != cmd)
|
|
return;
|
|
|
|
if (cmd != 0 && cmd < 0x80)
|
|
*p = 0;
|
|
|
|
part = get_part(chan);
|
|
if (part)
|
|
part->set_onoff(data[2] != 0);
|
|
}
|
|
|
|
void Player::maybe_set_volume(byte *data)
|
|
{
|
|
byte cmd;
|
|
byte *p;
|
|
uint chan;
|
|
Part *part;
|
|
|
|
cmd = data[1];
|
|
chan = data[0];
|
|
|
|
p = &_hook._part_volume[chan];
|
|
|
|
/* is this the hook i'm waiting for? */
|
|
if (cmd && *p != cmd)
|
|
return;
|
|
|
|
/* reset hook? */
|
|
if (cmd != 0 && cmd < 0x80)
|
|
*p = 0;
|
|
|
|
part = get_part(chan);
|
|
if (part)
|
|
part->set_vol(data[2]);
|
|
}
|
|
|
|
void Player::maybe_set_program(byte *data)
|
|
{
|
|
byte cmd;
|
|
byte *p;
|
|
uint chan;
|
|
Part *part;
|
|
|
|
cmd = data[1];
|
|
chan = data[0];
|
|
|
|
/* is this the hook i'm waiting for? */
|
|
p = &_hook._part_program[chan];
|
|
|
|
if (cmd && *p != cmd)
|
|
return;
|
|
|
|
if (cmd != 0 && cmd < 0x80)
|
|
*p = 0;
|
|
|
|
part = get_part(chan);
|
|
if (part)
|
|
part->set_program(data[2]);
|
|
}
|
|
|
|
void Player::maybe_set_transpose_part(byte *data)
|
|
{
|
|
byte cmd;
|
|
byte *p;
|
|
uint chan;
|
|
|
|
cmd = data[1];
|
|
chan = data[0];
|
|
|
|
/* is this the hook i'm waiting for? */
|
|
p = &_hook._part_transpose[chan];
|
|
|
|
if (cmd && *p != cmd)
|
|
return;
|
|
|
|
/* reset hook? */
|
|
if (cmd != 0 && cmd < 0x80)
|
|
*p = 0;
|
|
|
|
part_set_transpose(chan, data[2], (int8) data[3]);
|
|
}
|
|
|
|
int Player::set_transpose(byte relative, int b)
|
|
{
|
|
Part *part;
|
|
|
|
if (b > 24 || b < -24 || relative > 1)
|
|
return -1;
|
|
if (relative)
|
|
b = transpose_clamp(_transpose + b, -7, 7);
|
|
|
|
_transpose = b;
|
|
|
|
for (part = _parts; part; part = part->_next) {
|
|
part->set_transpose(part->_transpose);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void Player::clear_active_notes()
|
|
{
|
|
memset(_se->_active_notes, 0, sizeof(_se->_active_notes));
|
|
}
|
|
|
|
void Player::clear_active_note(int chan, byte note)
|
|
{
|
|
_se->_active_notes[note] &= ~(1 << chan);
|
|
}
|
|
|
|
void Player::set_active_note(int chan, byte note)
|
|
{
|
|
_se->_active_notes[note] |= (1 << chan);
|
|
}
|
|
|
|
void Player::part_set_transpose(uint8 chan, byte relative, int8 b)
|
|
{
|
|
Part *part;
|
|
|
|
if (b > 24 || b < -24)
|
|
return;
|
|
|
|
part = get_part(chan);
|
|
if (!part)
|
|
return;
|
|
if (relative)
|
|
b = transpose_clamp(b + part->_transpose, -7, 7);
|
|
part->set_transpose(b);
|
|
}
|
|
|
|
void Player::key_on(uint8 chan, uint8 note, uint8 velocity)
|
|
{
|
|
Part *part;
|
|
|
|
part = get_part(chan);
|
|
if (!part || !part->_on)
|
|
return;
|
|
|
|
part->key_on(note, velocity);
|
|
}
|
|
|
|
void Player::key_off(uint8 chan, uint8 note)
|
|
{
|
|
Part *part;
|
|
|
|
for (part = _parts; part; part = part->_next) {
|
|
if (part->_chan == (byte)chan && part->_on)
|
|
part->key_off(note);
|
|
}
|
|
}
|
|
|
|
bool Player::jump(uint track, uint beat, uint tick)
|
|
{
|
|
byte *mtrk, *cur_mtrk, *scanpos;
|
|
uint32 topos, curpos, track_offs;
|
|
|
|
if (!_active)
|
|
return false;
|
|
|
|
mtrk = _se->findTag(_song_index, "MTrk", track);
|
|
if (!mtrk)
|
|
return false;
|
|
|
|
cur_mtrk = _se->findTag(_song_index, "MTrk", _track_index);
|
|
if (!cur_mtrk)
|
|
return false;
|
|
|
|
_se->lock();
|
|
|
|
if (beat == 0)
|
|
beat = 1;
|
|
|
|
topos = (beat - 1) * _ticks_per_beat + tick;
|
|
|
|
if (track == _track_index && topos >= _cur_pos) {
|
|
scanpos = _song_offset + mtrk;
|
|
curpos = _next_pos;
|
|
} else {
|
|
scanpos = mtrk;
|
|
curpos = get_delta_time(&scanpos);
|
|
}
|
|
|
|
while (curpos < topos) {
|
|
skip_midi_cmd(&scanpos);
|
|
if (!scanpos) {
|
|
_se->unlock();
|
|
return false;
|
|
}
|
|
curpos += get_delta_time(&scanpos);
|
|
}
|
|
|
|
track_offs = scanpos - mtrk;
|
|
|
|
turn_off_pedals();
|
|
|
|
find_sustaining_notes(cur_mtrk + _song_offset, mtrk + track_offs,
|
|
curpos - topos);
|
|
|
|
_beat_index = beat;
|
|
_tick_index = tick;
|
|
_cur_pos = topos;
|
|
_next_pos = curpos;
|
|
_timer_counter = 0;
|
|
_song_offset = track_offs;
|
|
if (track != _track_index) {
|
|
_track_index = track;
|
|
_loop_counter = 0;
|
|
}
|
|
_abort = true;
|
|
_se->unlock();
|
|
return true;
|
|
}
|
|
|
|
bool Player::set_loop(uint count, uint tobeat, uint totick, uint frombeat,
|
|
uint fromtick)
|
|
{
|
|
if (tobeat + 1 >= frombeat)
|
|
return false;
|
|
|
|
if (tobeat == 0)
|
|
tobeat = 1;
|
|
|
|
_loop_counter = 0; /* because of possible interrupts */
|
|
_loop_to_beat = tobeat;
|
|
_loop_to_tick = totick;
|
|
_loop_from_beat = frombeat;
|
|
_loop_from_tick = fromtick;
|
|
_loop_counter = count;
|
|
|
|
return true;
|
|
}
|
|
|
|
void Player::clear_loop()
|
|
{
|
|
_loop_counter = 0;
|
|
}
|
|
|
|
void Player::turn_off_pedals()
|
|
{
|
|
Part *part;
|
|
|
|
for (part = _parts; part; part = part->_next) {
|
|
if (part->_pedal)
|
|
part->set_pedal(false);
|
|
}
|
|
}
|
|
|
|
void Player::find_sustaining_notes(byte *a, byte *b, uint32 l)
|
|
{
|
|
uint32 pos;
|
|
uint16 mask;
|
|
uint16 *bitlist_ptr;
|
|
SustainingNotes *sn, *next;
|
|
IsNoteCmdData isnote;
|
|
int j;
|
|
uint num_active;
|
|
uint max_off_pos;
|
|
|
|
num_active = update_actives();
|
|
|
|
/* pos contains number of ticks since current position */
|
|
pos = _next_pos - _cur_pos;
|
|
if ((int32) pos < 0)
|
|
pos = 0;
|
|
|
|
/* locate the positions where the notes are turned off.
|
|
* remember each note that was turned off
|
|
*/
|
|
while (num_active != 0) {
|
|
/* is note off? */
|
|
j = is_note_cmd(&a, &isnote);
|
|
if (j == -1)
|
|
break;
|
|
if (j == 1) {
|
|
mask = 1 << isnote.chan;
|
|
bitlist_ptr = _se->_active_notes + isnote.note;
|
|
if (*bitlist_ptr & mask) {
|
|
*bitlist_ptr &= ~mask;
|
|
num_active--;
|
|
/* Get a node from the free list */
|
|
if ((sn = _se->_sustain_notes_free) == NULL)
|
|
return;
|
|
_se->_sustain_notes_free = sn->next;
|
|
|
|
/* Insert it in the beginning of the used list */
|
|
sn->next = _se->_sustain_notes_used;
|
|
_se->_sustain_notes_used = sn;
|
|
sn->prev = NULL;
|
|
if (sn->next)
|
|
sn->next->prev = sn;
|
|
|
|
sn->note = isnote.note;
|
|
sn->chan = isnote.chan;
|
|
sn->player = this;
|
|
sn->off_pos = pos;
|
|
sn->pos = 0;
|
|
sn->counter = 0;
|
|
}
|
|
}
|
|
pos += get_delta_time(&a);
|
|
}
|
|
|
|
/* find the maximum position where a note was turned off */
|
|
max_off_pos = 0;
|
|
for (sn = _se->_sustain_notes_used; sn; sn = sn->next) {
|
|
_se->_active_notes[sn->note] |= (1 << sn->chan);
|
|
if (sn->off_pos > max_off_pos) {
|
|
max_off_pos = sn->off_pos;
|
|
}
|
|
}
|
|
|
|
/* locate positions where notes are turned on */
|
|
pos = l;
|
|
while (pos < max_off_pos) {
|
|
j = is_note_cmd(&b, &isnote);
|
|
if (j == -1)
|
|
break;
|
|
if (j == 2) {
|
|
mask = 1 << isnote.chan;
|
|
bitlist_ptr = _se->_active_notes + isnote.note;
|
|
|
|
if (*bitlist_ptr & mask) {
|
|
sn = _se->_sustain_notes_used;
|
|
while (sn) {
|
|
next = sn->next;
|
|
if (sn->note == isnote.note && sn->chan == isnote.chan
|
|
&& pos < sn->off_pos) {
|
|
*bitlist_ptr &= ~mask;
|
|
/* Unlink from the sustain list */
|
|
if (next)
|
|
next->prev = sn->prev;
|
|
if (sn->prev)
|
|
sn->prev->next = next;
|
|
else
|
|
_se->_sustain_notes_used = next;
|
|
/* Insert into the free list */
|
|
sn->next = _se->_sustain_notes_free;
|
|
_se->_sustain_notes_free = sn;
|
|
}
|
|
sn = next;
|
|
}
|
|
}
|
|
}
|
|
pos += get_delta_time(&b);
|
|
}
|
|
|
|
/* Concatenate head and used list */
|
|
if (!_se->_sustain_notes_head) {
|
|
_se->_sustain_notes_head = _se->_sustain_notes_used;
|
|
_se->_sustain_notes_used = NULL;
|
|
return;
|
|
}
|
|
sn = _se->_sustain_notes_head;
|
|
while (sn->next)
|
|
sn = sn->next;
|
|
sn->next = _se->_sustain_notes_used;
|
|
_se->_sustain_notes_used = NULL;
|
|
if (sn->next)
|
|
sn->next->prev = sn;
|
|
}
|
|
|
|
Part *Player::get_part(uint8 chan)
|
|
{
|
|
Part *part;
|
|
|
|
part = _parts;
|
|
while (part) {
|
|
if (part->_chan == chan)
|
|
return part;
|
|
part = part->_next;
|
|
}
|
|
|
|
part = _se->allocate_part(_priority);
|
|
if (!part) {
|
|
warning("no parts available");
|
|
return NULL;
|
|
}
|
|
|
|
part->_chan = chan;
|
|
part->setup(this);
|
|
|
|
return part;
|
|
}
|
|
|
|
uint Player::update_actives()
|
|
{
|
|
Part *part;
|
|
uint16 *active;
|
|
int count = 0;
|
|
|
|
clear_active_notes();
|
|
active = _se->_active_notes;
|
|
for (part = _parts; part; part = part->_next) {
|
|
if (part->_mc)
|
|
count += part->update_actives(active);
|
|
}
|
|
return count;
|
|
}
|
|
|
|
void Player::set_priority(int pri)
|
|
{
|
|
Part *part;
|
|
|
|
_priority = pri;
|
|
for (part = _parts; part; part = part->_next) {
|
|
part->set_pri(part->_pri);
|
|
}
|
|
_se->_driver->update_pris();
|
|
}
|
|
|
|
void Player::set_pan(int pan)
|
|
{
|
|
Part *part;
|
|
|
|
_pan = pan;
|
|
for (part = _parts; part; part = part->_next) {
|
|
part->set_pan(part->_pan);
|
|
}
|
|
}
|
|
|
|
void Player::set_detune(int detune)
|
|
{
|
|
Part *part;
|
|
|
|
_detune = detune;
|
|
for (part = _parts; part; part = part->_next) {
|
|
part->set_detune(part->_detune);
|
|
}
|
|
}
|
|
|
|
int Player::scan(uint totrack, uint tobeat, uint totick)
|
|
{
|
|
byte *mtrk, *scanptr;
|
|
uint32 curpos, topos;
|
|
uint32 pos;
|
|
|
|
assert(totrack >= 0 && tobeat >= 0 && totick >= 0);
|
|
|
|
if (!_active)
|
|
return -1;
|
|
|
|
mtrk = _se->findTag(_song_index, "MTrk", totrack);
|
|
if (!mtrk)
|
|
return -1;
|
|
|
|
_se->lock();
|
|
if (tobeat == 0)
|
|
tobeat++;
|
|
|
|
turn_off_parts();
|
|
clear_active_notes();
|
|
scanptr = mtrk;
|
|
curpos = get_delta_time(&scanptr);
|
|
_scanning = true;
|
|
|
|
topos = (tobeat - 1) * _ticks_per_beat + totick;
|
|
|
|
while (curpos < topos) {
|
|
scanptr = parse_midi(scanptr);
|
|
if (!scanptr) {
|
|
_scanning = false;
|
|
_se->unlock();
|
|
return -1;
|
|
}
|
|
curpos += get_delta_time(&scanptr);
|
|
}
|
|
pos = scanptr - mtrk;
|
|
|
|
_scanning = false;
|
|
_se->driver()->update_pris();
|
|
play_active_notes();
|
|
_beat_index = tobeat;
|
|
_tick_index = totick;
|
|
_cur_pos = topos;
|
|
_next_pos = curpos;
|
|
_timer_counter = 0;
|
|
_song_offset = pos;
|
|
if (_track_index != totrack) {
|
|
_track_index = totrack;
|
|
_loop_counter = 0;
|
|
}
|
|
_se->unlock();
|
|
return 0;
|
|
}
|
|
|
|
void Player::turn_off_parts()
|
|
{
|
|
Part *part;
|
|
|
|
for (part = _parts; part; part = part->_next)
|
|
part->off();
|
|
}
|
|
|
|
void Player::play_active_notes()
|
|
{
|
|
int i, j;
|
|
uint mask;
|
|
|
|
for (i = 0; i != 128; i++) {
|
|
mask = _se->_active_notes[i];
|
|
for (j = 0; j != 16; j++, mask >>= 1) {
|
|
if (mask & 1) {
|
|
key_on(j, i, 80);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
int Player::set_vol(byte vol)
|
|
{
|
|
Part *part;
|
|
|
|
if (vol > 127)
|
|
return -1;
|
|
|
|
_volume = vol;
|
|
_vol_eff = _se->get_channel_volume(_vol_chan) * (vol + 1) >> 7;
|
|
|
|
for (part = _parts; part; part = part->_next) {
|
|
part->set_vol(part->_vol);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int Player::get_param(int param, byte chan)
|
|
{
|
|
switch (param) {
|
|
case 0:
|
|
return (byte)_priority;
|
|
case 1:
|
|
return (byte)_volume;
|
|
case 2:
|
|
return (byte)_pan;
|
|
case 3:
|
|
return (byte)_transpose;
|
|
case 4:
|
|
return (byte)_detune;
|
|
case 5:
|
|
return _speed;
|
|
case 6:
|
|
return _track_index;
|
|
case 7:
|
|
return _beat_index;
|
|
case 8:
|
|
return _tick_index;
|
|
case 9:
|
|
return _loop_counter;
|
|
case 10:
|
|
return _loop_to_beat;
|
|
case 11:
|
|
return _loop_to_tick;
|
|
case 12:
|
|
return _loop_from_beat;
|
|
case 13:
|
|
return _loop_from_tick;
|
|
case 14:
|
|
case 15:
|
|
case 16:
|
|
case 17:
|
|
return query_part_param(param, chan);
|
|
case 18:
|
|
case 19:
|
|
case 20:
|
|
case 21:
|
|
case 22:
|
|
case 23:
|
|
return _hook.query_param(param, chan);
|
|
default:
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
int Player::query_part_param(int param, byte chan)
|
|
{
|
|
Part *part;
|
|
|
|
part = _parts;
|
|
while (part) {
|
|
if (part->_chan == chan) {
|
|
switch (param) {
|
|
case 14:
|
|
return part->_on;
|
|
case 15:
|
|
return part->_vol;
|
|
case 16:
|
|
return part->_program;
|
|
case 17:
|
|
return part->_transpose;
|
|
default:
|
|
return -1;
|
|
}
|
|
}
|
|
part = part->_next;
|
|
}
|
|
return 129;
|
|
}
|
|
|
|
/*******************************************************************/
|
|
|
|
#define OFFS(type,item) ((int)(&((type*)0)->item))
|
|
#define SIZE(type,item) sizeof(((type*)0)->item)
|
|
#define MKLINE(type,item,saveas) {OFFS(type,item),saveas,SIZE(type,item)}
|
|
#define MKARRAY(type,item,saveas,num) {OFFS(type,item),128|saveas,SIZE(type,item)}, {num,0,0}
|
|
#define MKEND() {0xFFFF,0xFF,0xFF}
|
|
|
|
#define MKREF(type,item,refid) {OFFS(type,item),refid,0xFF}
|
|
|
|
enum {
|
|
TYPE_PART = 1,
|
|
TYPE_PLAYER = 2,
|
|
};
|
|
|
|
int IMuse::saveReference(IMuse *me, byte type, void *ref)
|
|
{
|
|
switch (type) {
|
|
case TYPE_PART:
|
|
return (Part *)ref - me->_parts;
|
|
case TYPE_PLAYER:
|
|
return (Player *)ref - me->_players;
|
|
default:
|
|
error("saveReference: invalid type");
|
|
}
|
|
}
|
|
|
|
void *IMuse::loadReference(IMuse *me, byte type, int ref)
|
|
{
|
|
switch (type) {
|
|
case TYPE_PART:
|
|
return &me->_parts[ref];
|
|
case TYPE_PLAYER:
|
|
return &me->_players[ref];
|
|
default:
|
|
error("loadReference: invalid type");
|
|
}
|
|
}
|
|
|
|
int IMuse::save_or_load(Serializer * ser, Scumm *scumm)
|
|
{
|
|
const SaveLoadEntry mainEntries[] = {
|
|
MKLINE(IMuse, _queue_end, sleUint8),
|
|
MKLINE(IMuse, _queue_pos, sleUint8),
|
|
MKLINE(IMuse, _queue_sound, sleUint16),
|
|
MKLINE(IMuse, _queue_adding, sleByte),
|
|
MKLINE(IMuse, _queue_marker, sleByte),
|
|
MKLINE(IMuse, _queue_cleared, sleByte),
|
|
MKLINE(IMuse, _master_volume, sleByte),
|
|
MKLINE(IMuse, _trigger_count, sleUint16),
|
|
MKARRAY(IMuse, _channel_volume[0], sleUint16, 8),
|
|
MKARRAY(IMuse, _volchan_table[0], sleUint16, 8),
|
|
MKEND()
|
|
};
|
|
|
|
const SaveLoadEntry playerEntries[] = {
|
|
MKREF(Player, _parts, TYPE_PART),
|
|
MKLINE(Player, _active, sleByte),
|
|
MKLINE(Player, _id, sleUint16),
|
|
MKLINE(Player, _priority, sleByte),
|
|
MKLINE(Player, _volume, sleByte),
|
|
MKLINE(Player, _pan, sleInt8),
|
|
MKLINE(Player, _transpose, sleByte),
|
|
MKLINE(Player, _detune, sleInt8),
|
|
MKLINE(Player, _vol_chan, sleUint16),
|
|
MKLINE(Player, _vol_eff, sleByte),
|
|
MKLINE(Player, _speed, sleByte),
|
|
MKLINE(Player, _song_index, sleUint16),
|
|
MKLINE(Player, _track_index, sleUint16),
|
|
MKLINE(Player, _timer_counter, sleUint16),
|
|
MKLINE(Player, _loop_to_beat, sleUint16),
|
|
MKLINE(Player, _loop_from_beat, sleUint16),
|
|
MKLINE(Player, _loop_counter, sleUint16),
|
|
MKLINE(Player, _loop_to_tick, sleUint16),
|
|
MKLINE(Player, _loop_from_tick, sleUint16),
|
|
MKLINE(Player, _tempo, sleUint32),
|
|
MKLINE(Player, _cur_pos, sleUint32),
|
|
MKLINE(Player, _next_pos, sleUint32),
|
|
MKLINE(Player, _song_offset, sleUint32),
|
|
MKLINE(Player, _tick_index, sleUint16),
|
|
MKLINE(Player, _beat_index, sleUint16),
|
|
MKLINE(Player, _ticks_per_beat, sleUint16),
|
|
MKLINE(Player, _hook._jump, sleByte),
|
|
MKLINE(Player, _hook._transpose, sleByte),
|
|
MKARRAY(Player, _hook._part_onoff[0], sleByte, 16),
|
|
MKARRAY(Player, _hook._part_volume[0], sleByte, 16),
|
|
MKARRAY(Player, _hook._part_program[0], sleByte, 16),
|
|
MKARRAY(Player, _hook._part_transpose[0], sleByte, 16),
|
|
MKEND()
|
|
};
|
|
|
|
const SaveLoadEntry volumeFaderEntries[] = {
|
|
MKREF(VolumeFader, player, TYPE_PLAYER),
|
|
MKLINE(VolumeFader, active, sleUint8),
|
|
MKLINE(VolumeFader, curvol, sleUint8),
|
|
MKLINE(VolumeFader, speed_lo_max, sleUint16),
|
|
MKLINE(VolumeFader, num_steps, sleUint16),
|
|
MKLINE(VolumeFader, speed_hi, sleInt8),
|
|
MKLINE(VolumeFader, direction, sleInt8),
|
|
MKLINE(VolumeFader, speed_lo, sleInt8),
|
|
MKLINE(VolumeFader, speed_lo_counter, sleUint16),
|
|
MKEND()
|
|
};
|
|
|
|
const SaveLoadEntry partEntries[] = {
|
|
MKREF(Part, _next, TYPE_PART),
|
|
MKREF(Part, _prev, TYPE_PART),
|
|
MKREF(Part, _player, TYPE_PLAYER),
|
|
MKLINE(Part, _pitchbend, sleInt16),
|
|
MKLINE(Part, _pitchbend_factor, sleUint8),
|
|
MKLINE(Part, _transpose, sleInt8),
|
|
MKLINE(Part, _vol, sleUint8),
|
|
MKLINE(Part, _detune, sleInt8),
|
|
MKLINE(Part, _pan, sleInt8),
|
|
MKLINE(Part, _on, sleUint8),
|
|
MKLINE(Part, _modwheel, sleUint8),
|
|
MKLINE(Part, _pedal, sleUint8),
|
|
MKLINE(Part, _program, sleUint8),
|
|
MKLINE(Part, _pri, sleUint8),
|
|
MKLINE(Part, _chan, sleUint8),
|
|
MKLINE(Part, _effect_level, sleUint8),
|
|
MKLINE(Part, _chorus, sleUint8),
|
|
MKLINE(Part, _percussion, sleUint8),
|
|
MKLINE(Part, _bank, sleUint8),
|
|
MKEND()
|
|
};
|
|
|
|
if (!ser->isSaving()) {
|
|
stop_all_sounds();
|
|
}
|
|
#ifdef _WIN32_WCE // Don't break savegames made with andys' build
|
|
if (!ser->isSaving() && ser->checkEOFLoadStream())
|
|
return 0;
|
|
#endif
|
|
|
|
ser->_ref_me = this;
|
|
ser->_saveload_ref =
|
|
ser->isSaving()? ((void *)&saveReference) : ((void *)&loadReference);
|
|
|
|
ser->saveLoadEntries(this, mainEntries);
|
|
ser->saveLoadArrayOf(_players, ARRAYSIZE(_players), sizeof(_players[0]),
|
|
playerEntries);
|
|
ser->saveLoadArrayOf(_parts, ARRAYSIZE(_parts), sizeof(_parts[0]),
|
|
partEntries);
|
|
ser->saveLoadArrayOf(_volume_fader, ARRAYSIZE(_volume_fader),
|
|
sizeof(_volume_fader[0]), volumeFaderEntries);
|
|
|
|
if (!ser->isSaving()) {
|
|
/* Load all sounds that we need */
|
|
fix_players_after_load(scumm);
|
|
init_sustaining_notes();
|
|
_active_volume_faders = true;
|
|
fix_parts_after_load();
|
|
_driver->update_pris();
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#undef MKLINE
|
|
#undef MKEND
|
|
|
|
void IMuse::fix_parts_after_load()
|
|
{
|
|
Part *part;
|
|
int i;
|
|
|
|
for (i = ARRAYSIZE(_parts), part = _parts; i != 0; i--, part++) {
|
|
if (part->_player)
|
|
part->fix_after_load();
|
|
}
|
|
}
|
|
|
|
/* Only call this routine from the main thread,
|
|
* since it uses getResourceAddress */
|
|
void IMuse::fix_players_after_load(Scumm *scumm)
|
|
{
|
|
Player *player = _players;
|
|
int i;
|
|
|
|
for (i = ARRAYSIZE(_players); i != 0; i--, player++) {
|
|
if (player->_active) {
|
|
player->set_tempo(player->_tempo);
|
|
scumm->getResourceAddress(rtSound, player->_id);
|
|
}
|
|
}
|
|
}
|
|
|
|
void Part::set_detune(int8 detune)
|
|
{
|
|
_detune_eff = clamp((_detune = detune) + _player->_detune, -128, 127);
|
|
changed(IMuseDriver::pcMod);
|
|
}
|
|
|
|
void Part::set_pitchbend(int value)
|
|
{
|
|
_pitchbend = value * _pitchbend_factor >> 6;
|
|
changed(IMuseDriver::pcMod);
|
|
}
|
|
|
|
void Part::set_vol(uint8 vol)
|
|
{
|
|
_vol_eff = ((_vol = vol) + 1) * _player->_vol_eff >> 7;
|
|
changed(IMuseDriver::pcVolume);
|
|
}
|
|
|
|
void Part::set_pri(int8 pri)
|
|
{
|
|
_pri_eff = clamp((_pri = pri) + _player->_priority, 0, 255);
|
|
}
|
|
|
|
void Part::set_pan(int8 pan)
|
|
{
|
|
_pan_eff = clamp((_pan = pan) + _player->_pan, -64, 63);
|
|
changed(IMuseDriver::pcPan);
|
|
}
|
|
|
|
void Part::set_transpose(int8 transpose)
|
|
{
|
|
_transpose_eff = transpose_clamp((_transpose = transpose) +
|
|
_player->_transpose, -12, 12);
|
|
changed(IMuseDriver::pcMod);
|
|
}
|
|
|
|
void Part::set_pedal(bool value)
|
|
{
|
|
_pedal = value;
|
|
changed(IMuseDriver::pcPedal);
|
|
}
|
|
|
|
void Part::set_modwheel(uint value)
|
|
{
|
|
_modwheel = value;
|
|
changed(IMuseDriver::pcModwheel);
|
|
}
|
|
|
|
void Part::set_chorus(uint chorus)
|
|
{
|
|
_chorus = chorus;
|
|
changed(IMuseDriver::pcChorus);
|
|
}
|
|
|
|
void Part::set_effect_level(uint level)
|
|
{
|
|
_effect_level = level;
|
|
changed(IMuseDriver::pcEffectLevel);
|
|
}
|
|
|
|
void Part::fix_after_load()
|
|
{
|
|
set_transpose(_transpose);
|
|
set_vol(_vol);
|
|
set_detune(_detune);
|
|
set_pri(_pri);
|
|
set_pan(_pan);
|
|
}
|
|
|
|
void Part::set_pitchbend_factor(uint8 value)
|
|
{
|
|
if (value > 12)
|
|
return;
|
|
set_pitchbend(0);
|
|
_pitchbend_factor = value;
|
|
}
|
|
|
|
void Part::set_onoff(bool on)
|
|
{
|
|
if (_on != on) {
|
|
_on = on;
|
|
if (!on)
|
|
off();
|
|
if (!_percussion)
|
|
update_pris();
|
|
}
|
|
}
|
|
|
|
void Part::set_instrument(Instrument * data)
|
|
{
|
|
_drv->part_set_instrument(this, data);
|
|
}
|
|
|
|
void Part::key_on(byte note, byte velocity)
|
|
{
|
|
_drv->part_key_on(this, note, velocity);
|
|
}
|
|
|
|
void Part::key_off(byte note)
|
|
{
|
|
_drv->part_key_off(this, note);
|
|
}
|
|
|
|
void Part::init(IMuseDriver * driver)
|
|
{
|
|
_drv = driver;
|
|
_player = NULL;
|
|
_next = NULL;
|
|
_prev = NULL;
|
|
_mc = NULL;
|
|
}
|
|
|
|
void Part::setup(Player *player)
|
|
{
|
|
_player = player;
|
|
|
|
/* Insert first into player's list */
|
|
_prev = NULL;
|
|
_next = player->_parts;
|
|
if (player->_parts)
|
|
player->_parts->_prev = this;
|
|
player->_parts = this;
|
|
|
|
_percussion = true;
|
|
_on = true;
|
|
_pri_eff = player->_priority;
|
|
_pri = 0;
|
|
_vol = 127;
|
|
_vol_eff = player->_vol_eff;
|
|
_pan = clamp(player->_pan, -64, 63);
|
|
_transpose_eff = player->_transpose;
|
|
_transpose = 0;
|
|
_detune = 0;
|
|
_detune_eff = player->_detune;
|
|
_pitchbend_factor = 2;
|
|
_pitchbend = 0;
|
|
_effect_level = 64;
|
|
_program = 255;
|
|
_chorus = 0;
|
|
_modwheel = 0;
|
|
_bank = 0;
|
|
_pedal = false;
|
|
_mc = NULL;
|
|
}
|
|
|
|
void Part::uninit()
|
|
{
|
|
if (!_player)
|
|
return;
|
|
off();
|
|
|
|
/* unlink */
|
|
if (_next)
|
|
_next->_prev = _prev;
|
|
if (_prev)
|
|
_prev->_next = _next;
|
|
else
|
|
_player->_parts = _next;
|
|
_player = NULL;
|
|
_next = NULL;
|
|
_prev = NULL;
|
|
}
|
|
|
|
void Part::off()
|
|
{
|
|
_drv->part_off(this);
|
|
}
|
|
|
|
void Part::changed(byte what)
|
|
{
|
|
_drv->part_changed(this, what);
|
|
}
|
|
|
|
void Part::set_param(byte param, int value)
|
|
{
|
|
_drv->part_set_param(this, param, value);
|
|
}
|
|
|
|
void Part::update_pris()
|
|
{
|
|
_drv->update_pris();
|
|
}
|
|
|
|
int Part::update_actives(uint16 *active)
|
|
{
|
|
return _drv->part_update_active(this, active);
|
|
}
|
|
|
|
void Part::set_program(byte program)
|
|
{
|
|
if (_program != program || _bank != 0) {
|
|
_program = program;
|
|
_bank = 0;
|
|
changed(IMuseDriver::pcProgram);
|
|
}
|
|
}
|
|
|
|
void Part::set_instrument(uint b)
|
|
{
|
|
_bank = (byte)(b >> 8);
|
|
_program = (byte)b;
|
|
changed(IMuseDriver::pcProgram);
|
|
}
|
|
|
|
|
|
//********************************************
|
|
//***** ADLIB PART OF IMUSE STARTS HERE ******
|
|
//********************************************
|
|
|
|
|
|
static byte lookup_table[64][32];
|
|
const byte volume_table[] = {
|
|
0, 4, 7, 11,
|
|
13, 16, 18, 20,
|
|
22, 24, 26, 27,
|
|
29, 30, 31, 33,
|
|
34, 35, 36, 37,
|
|
38, 39, 40, 41,
|
|
42, 43, 44, 44,
|
|
45, 46, 47, 47,
|
|
48, 49, 49, 50,
|
|
51, 51, 52, 53,
|
|
53, 54, 54, 55,
|
|
55, 56, 56, 57,
|
|
57, 58, 58, 59,
|
|
59, 60, 60, 60,
|
|
61, 61, 62, 62,
|
|
62, 63, 63, 63
|
|
};
|
|
|
|
int lookup_volume(int a, int b)
|
|
{
|
|
if (b == 0)
|
|
return 0;
|
|
|
|
if (b == 31)
|
|
return a;
|
|
|
|
if (a < -63 || a > 63) {
|
|
return b * (a + 1) >> 5;
|
|
}
|
|
|
|
if (b < 0) {
|
|
if (a < 0) {
|
|
return lookup_table[-a][-b];
|
|
} else {
|
|
return -lookup_table[a][-b];
|
|
}
|
|
} else {
|
|
if (a < 0) {
|
|
return -lookup_table[-a][b];
|
|
} else {
|
|
return lookup_table[a][b];
|
|
}
|
|
}
|
|
}
|
|
|
|
void create_lookup_table()
|
|
{
|
|
int i, j;
|
|
int sum;
|
|
|
|
for (i = 0; i < 64; i++) {
|
|
sum = i;
|
|
for (j = 0; j < 32; j++) {
|
|
lookup_table[i][j] = sum >> 5;
|
|
sum += i;
|
|
}
|
|
}
|
|
for (i = 0; i < 64; i++)
|
|
lookup_table[i][0] = 0;
|
|
}
|
|
|
|
MidiChannelAdl *IMuseAdlib::allocate_midichan(byte pri)
|
|
{
|
|
MidiChannelAdl *ac, *best = NULL;
|
|
int i;
|
|
|
|
for (i = 0; i < 9; i++) {
|
|
if (++_midichan_index >= 9)
|
|
_midichan_index = 0;
|
|
ac = &_midi_channels[_midichan_index];
|
|
if (!ac->_part)
|
|
return ac;
|
|
if (!ac->_next) {
|
|
if (ac->_part->_pri_eff <= pri) {
|
|
pri = ac->_part->_pri_eff;
|
|
best = ac;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (best)
|
|
mc_off(best);
|
|
else; //debug(1, "Denying adlib channel request");
|
|
return best;
|
|
}
|
|
|
|
void IMuseAdlib::premix_proc(void *param, int16 *buf, uint len) {
|
|
((IMuseAdlib*)param)->generate_samples(buf, len);
|
|
}
|
|
|
|
void IMuseAdlib::init(IMuse *eng, OSystem *syst)
|
|
{
|
|
int i;
|
|
MidiChannelAdl *mc;
|
|
|
|
_se = eng;
|
|
|
|
for (i = 0, mc = _midi_channels; i != ARRAYSIZE(_midi_channels); i++, mc++) {
|
|
mc->_channel = i;
|
|
mc->_s11a.s10 = &mc->_s10b;
|
|
mc->_s11b.s10 = &mc->_s10a;
|
|
}
|
|
|
|
_adlib_reg_cache = (byte *)calloc(256, 1);
|
|
|
|
_opl = OPLCreate(OPL_TYPE_YM3812, 3579545, syst->property(OSystem::PROP_GET_SAMPLE_RATE,0));
|
|
|
|
adlib_write(1, 0x20);
|
|
adlib_write(8, 0x40);
|
|
adlib_write(0xBD, 0x00);
|
|
create_lookup_table();
|
|
|
|
_mixer->setup_premix(this, premix_proc);
|
|
}
|
|
|
|
void IMuseAdlib::adlib_write(byte port, byte value)
|
|
{
|
|
if (_adlib_reg_cache[port] == value)
|
|
return;
|
|
_adlib_reg_cache[port] = value;
|
|
|
|
OPLWriteReg(_opl, port, value);
|
|
}
|
|
|
|
void IMuseAdlib::adlib_key_off(int chan)
|
|
{
|
|
byte port = chan + 0xB0;
|
|
adlib_write(port, adlib_read(port) & ~0x20);
|
|
}
|
|
|
|
struct AdlibSetParams {
|
|
byte a, b, c, d;
|
|
};
|
|
|
|
static const byte channel_mappings[9] = {
|
|
0, 1, 2, 8,
|
|
9, 10, 16, 17,
|
|
18
|
|
};
|
|
|
|
static const byte channel_mappings_2[9] = {
|
|
3, 4, 5, 11,
|
|
12, 13, 19, 20,
|
|
21
|
|
};
|
|
|
|
static const AdlibSetParams adlib_setparam_table[] = {
|
|
{0x40, 0, 63, 63}, /* level */
|
|
{0xE0, 2, 0, 0}, /* unused */
|
|
{0x40, 6, 192, 0}, /* level key scaling */
|
|
{0x20, 0, 15, 0}, /* modulator frequency multiple */
|
|
{0x60, 4, 240, 15}, /* attack rate */
|
|
{0x60, 0, 15, 15}, /* decay rate */
|
|
{0x80, 4, 240, 15}, /* sustain level */
|
|
{0x80, 0, 15, 15}, /* release rate */
|
|
{0xE0, 0, 3, 0}, /* waveform select */
|
|
{0x20, 7, 128, 0}, /* amp mod */
|
|
{0x20, 6, 64, 0}, /* vib */
|
|
{0x20, 5, 32, 0}, /* eg typ */
|
|
{0x20, 4, 16, 0}, /* ksr */
|
|
{0xC0, 0, 1, 0}, /* decay alg */
|
|
{0xC0, 1, 14, 0} /* feedback */
|
|
};
|
|
|
|
void IMuseAdlib::adlib_set_param(int channel, byte param, int value)
|
|
{
|
|
const AdlibSetParams *as;
|
|
byte port;
|
|
|
|
assert(channel >= 0 && channel < 9);
|
|
|
|
if (param <= 12) {
|
|
port = channel_mappings_2[channel];
|
|
} else if (param <= 25) {
|
|
param -= 13;
|
|
port = channel_mappings[channel];
|
|
} else if (param <= 27) {
|
|
param -= 13;
|
|
port = channel;
|
|
} else if (param == 28 || param == 29) {
|
|
if (param == 28)
|
|
value -= 15;
|
|
else
|
|
value -= 383;
|
|
value <<= 4;
|
|
channel_table_2[channel] = value;
|
|
adlib_playnote(channel, curnote_table[channel] + value);
|
|
return;
|
|
} else {
|
|
return;
|
|
}
|
|
|
|
as = &adlib_setparam_table[param];
|
|
if (as->d)
|
|
value = as->d - value;
|
|
port += as->a;
|
|
adlib_write(port, (adlib_read(port) & ~as->c) | (((byte)value) << as->b));
|
|
}
|
|
|
|
static const byte octave_numbers[] = {
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 1, 1, 1, 1,
|
|
1, 1, 1, 1, 1, 1, 1, 1,
|
|
2, 2, 2, 2, 2, 2, 2, 2,
|
|
2, 2, 2, 2, 3, 3, 3, 3,
|
|
3, 3, 3, 3, 3, 3, 3, 3,
|
|
4, 4, 4, 4, 4, 4, 4, 4,
|
|
4, 4, 4, 4, 5, 5, 5, 5,
|
|
5, 5, 5, 5, 5, 5, 5, 5,
|
|
6, 6, 6, 6, 6, 6, 6, 6,
|
|
6, 6, 6, 6, 7, 7, 7, 7,
|
|
7, 7, 7, 7, 7, 7, 7, 7,
|
|
7, 7, 7, 7, 7, 7, 7, 7,
|
|
7, 7, 7, 7, 7, 7, 7, 7,
|
|
7, 7, 7, 7, 7, 7, 7, 7,
|
|
7, 7, 7, 7, 7, 7, 7, 7
|
|
};
|
|
|
|
static const byte note_numbers[] = {
|
|
3, 4, 5, 6, 7, 8, 9, 10,
|
|
11, 12, 13, 14, 3, 4, 5, 6,
|
|
7, 8, 9, 10, 11, 12, 13, 14,
|
|
3, 4, 5, 6, 7, 8, 9, 10,
|
|
11, 12, 13, 14, 3, 4, 5, 6,
|
|
7, 8, 9, 10, 11, 12, 13, 14,
|
|
3, 4, 5, 6, 7, 8, 9, 10,
|
|
11, 12, 13, 14, 3, 4, 5, 6,
|
|
7, 8, 9, 10, 11, 12, 13, 14,
|
|
3, 4, 5, 6, 7, 8, 9, 10,
|
|
11, 12, 13, 14, 3, 4, 5, 6,
|
|
7, 8, 9, 10, 11, 12, 13, 14,
|
|
3, 4, 5, 6, 7, 8, 9, 10,
|
|
11, 12, 13, 14, 3, 4, 5, 6,
|
|
7, 8, 9, 10, 11, 12, 13, 14,
|
|
3, 4, 5, 6, 7, 8, 9, 10
|
|
};
|
|
|
|
static const byte note_to_f_num[] = {
|
|
90, 91, 92, 92, 93, 94, 94, 95,
|
|
96, 96, 97, 98, 98, 99, 100, 101,
|
|
101, 102, 103, 104, 104, 105, 106, 107,
|
|
107, 108, 109, 110, 111, 111, 112, 113,
|
|
114, 115, 115, 116, 117, 118, 119, 120,
|
|
121, 121, 122, 123, 124, 125, 126, 127,
|
|
128, 129, 130, 131, 132, 132, 133, 134,
|
|
135, 136, 137, 138, 139, 140, 141, 142,
|
|
143, 145, 146, 147, 148, 149, 150, 151,
|
|
152, 153, 154, 155, 157, 158, 159, 160,
|
|
161, 162, 163, 165, 166, 167, 168, 169,
|
|
171, 172, 173, 174, 176, 177, 178, 180,
|
|
181, 182, 184, 185, 186, 188, 189, 190,
|
|
192, 193, 194, 196, 197, 199, 200, 202,
|
|
203, 205, 206, 208, 209, 211, 212, 214,
|
|
215, 217, 218, 220, 222, 223, 225, 226,
|
|
228, 230, 231, 233, 235, 236, 238, 240,
|
|
242, 243, 245, 247, 249, 251, 252, 254,
|
|
};
|
|
|
|
void IMuseAdlib::adlib_playnote(int channel, int note)
|
|
{
|
|
byte old, oct, notex;
|
|
int note2;
|
|
int i;
|
|
|
|
note2 = (note >> 7) - 4;
|
|
|
|
oct = octave_numbers[note2] << 2;
|
|
notex = note_numbers[note2];
|
|
|
|
old = adlib_read(channel + 0xB0);
|
|
if (old & 0x20) {
|
|
old &= ~0x20;
|
|
if (oct > old) {
|
|
if (notex < 6) {
|
|
notex += 12;
|
|
oct -= 4;
|
|
}
|
|
} else if (oct < old) {
|
|
if (notex > 11) {
|
|
notex -= 12;
|
|
oct += 4;
|
|
}
|
|
}
|
|
}
|
|
|
|
i = (notex << 3) + ((note >> 4) & 0x7);
|
|
adlib_write(channel + 0xA0, note_to_f_num[i]);
|
|
adlib_write(channel + 0xB0, oct | 0x20);
|
|
}
|
|
|
|
void IMuseAdlib::adlib_note_on(int chan, byte note, int mod)
|
|
{
|
|
int code;
|
|
assert(chan >= 0 && chan < 9);
|
|
code = (note << 7) + mod;
|
|
curnote_table[chan] = code;
|
|
adlib_playnote(chan, channel_table_2[chan] + code);
|
|
}
|
|
|
|
void IMuseAdlib::adlib_note_on_ex(int chan, byte note, int mod)
|
|
{
|
|
int code;
|
|
assert(chan >= 0 && chan < 9);
|
|
code = (note << 7) + mod;
|
|
curnote_table[chan] = code;
|
|
channel_table_2[chan] = 0;
|
|
adlib_playnote(chan, code);
|
|
}
|
|
|
|
void IMuseAdlib::adlib_key_onoff(int channel)
|
|
{
|
|
byte val;
|
|
byte port = channel + 0xB0;
|
|
assert(channel >= 0 && channel < 9);
|
|
|
|
val = adlib_read(port);
|
|
adlib_write(port, val & ~0x20);
|
|
adlib_write(port, val | 0x20);
|
|
}
|
|
|
|
void IMuseAdlib::adlib_setup_channel(int chan, Instrument * instr,
|
|
byte vol_1, byte vol_2)
|
|
{
|
|
byte port;
|
|
|
|
assert(chan >= 0 && chan < 9);
|
|
|
|
port = channel_mappings[chan];
|
|
adlib_write(port + 0x20, instr->flags_1);
|
|
adlib_write(port + 0x40, (instr->oplvl_1 | 0x3F) - vol_1);
|
|
adlib_write(port + 0x60, ~instr->atdec_1);
|
|
adlib_write(port + 0x80, ~instr->sustrel_1);
|
|
adlib_write(port + 0xE0, instr->waveform_1);
|
|
|
|
port = channel_mappings_2[chan];
|
|
adlib_write(port + 0x20, instr->flags_2);
|
|
adlib_write(port + 0x40, (instr->oplvl_2 | 0x3F) - vol_2);
|
|
adlib_write(port + 0x60, ~instr->atdec_2);
|
|
adlib_write(port + 0x80, ~instr->sustrel_2);
|
|
adlib_write(port + 0xE0, instr->waveform_2);
|
|
|
|
adlib_write((byte)chan + 0xC0, instr->feedback);
|
|
}
|
|
|
|
int IMuseAdlib::adlib_read_param(int chan, byte param)
|
|
{
|
|
const AdlibSetParams *as;
|
|
byte val;
|
|
byte port;
|
|
|
|
assert(chan >= 0 && chan < 9);
|
|
|
|
if (param <= 12) {
|
|
port = channel_mappings_2[chan];
|
|
} else if (param <= 25) {
|
|
param -= 13;
|
|
port = channel_mappings[chan];
|
|
} else if (param <= 27) {
|
|
param -= 13;
|
|
port = chan;
|
|
} else if (param == 28) {
|
|
return 0xF;
|
|
} else if (param == 29) {
|
|
return 0x17F;
|
|
} else {
|
|
return 0;
|
|
}
|
|
|
|
as = &adlib_setparam_table[param];
|
|
val = adlib_read(port + as->a);
|
|
val &= as->c;
|
|
val >>= as->b;
|
|
if (as->d)
|
|
val = as->d - val;
|
|
|
|
return val;
|
|
}
|
|
|
|
void IMuseAdlib::generate_samples(int16 * data, int len)
|
|
{
|
|
int step;
|
|
|
|
if (!_opl) {
|
|
memset(data, 0, len * sizeof(int16));
|
|
return;
|
|
}
|
|
|
|
do {
|
|
step = len;
|
|
if (step > _next_tick)
|
|
step = _next_tick;
|
|
YM3812UpdateOne(_opl, data, step);
|
|
|
|
if (!(_next_tick -= step)) {
|
|
_se->on_timer();
|
|
reset_tick();
|
|
}
|
|
data += step;
|
|
} while (len -= step);
|
|
}
|
|
|
|
|
|
void IMuseAdlib::reset_tick()
|
|
{
|
|
_next_tick = 88;
|
|
}
|
|
|
|
void IMuseAdlib::on_timer()
|
|
{
|
|
MidiChannelAdl *mc;
|
|
int i;
|
|
|
|
_adlib_timer_counter += 0xD69;
|
|
while (_adlib_timer_counter >= 0x411B) {
|
|
_adlib_timer_counter -= 0x411B;
|
|
mc = _midi_channels;
|
|
for (i = 0; i != ARRAYSIZE(_midi_channels); i++, mc++) {
|
|
if (!mc->_part)
|
|
continue;
|
|
if (mc->_duration && (mc->_duration -= 0x11) <= 0) {
|
|
mc_off(mc);
|
|
return;
|
|
}
|
|
if (mc->_s10a.active) {
|
|
mc_inc_stuff(mc, &mc->_s10a, &mc->_s11a);
|
|
}
|
|
if (mc->_s10b.active) {
|
|
mc_inc_stuff(mc, &mc->_s10b, &mc->_s11b);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
const byte param_table_1[16] = {
|
|
29, 28, 27, 0,
|
|
3, 4, 7, 8,
|
|
13, 16, 17, 20,
|
|
21, 30, 31, 0
|
|
};
|
|
|
|
const uint16 param_table_2[16] = {
|
|
0x2FF, 0x1F, 0x7, 0x3F,
|
|
0x0F, 0x0F, 0x0F, 0x3,
|
|
0x3F, 0x0F, 0x0F, 0x0F,
|
|
0x3, 0x3E, 0x1F, 0
|
|
};
|
|
|
|
static const uint16 num_steps_table[] = {
|
|
1, 2, 4, 5,
|
|
6, 7, 8, 9,
|
|
10, 12, 14, 16,
|
|
18, 21, 24, 30,
|
|
36, 50, 64, 82,
|
|
100, 136, 160, 192,
|
|
240, 276, 340, 460,
|
|
600, 860, 1200, 1600
|
|
};
|
|
|
|
int IMuseAdlib::random_nr(int a)
|
|
{
|
|
static byte _rand_seed = 1;
|
|
if (_rand_seed & 1) {
|
|
_rand_seed >>= 1;
|
|
_rand_seed ^= 0xB8;
|
|
} else {
|
|
_rand_seed >>= 1;
|
|
}
|
|
return _rand_seed * a >> 8;
|
|
}
|
|
|
|
void IMuseAdlib::struct10_setup(Struct10 * s10)
|
|
{
|
|
int b, c, d, e, f, g, h;
|
|
byte t;
|
|
|
|
b = s10->unk3;
|
|
f = s10->active - 1;
|
|
|
|
t = s10->table_a[f];
|
|
e = num_steps_table[lookup_table[t & 0x7F][b]];
|
|
if (t & 0x80) {
|
|
e = random_nr(e);
|
|
}
|
|
if (e == 0)
|
|
e++;
|
|
|
|
s10->num_steps = s10->speed_lo_max = e;
|
|
|
|
if (f != 2) {
|
|
c = s10->param;
|
|
g = s10->start_value;
|
|
t = s10->table_b[f];
|
|
d = lookup_volume(c, (t & 0x7F) - 31);
|
|
if (t & 0x80) {
|
|
d = random_nr(d);
|
|
}
|
|
if (d + g > c) {
|
|
h = c - g;
|
|
} else {
|
|
h = d;
|
|
if (d + g < 0)
|
|
h = -g;
|
|
}
|
|
h -= s10->cur_val;
|
|
} else {
|
|
h = 0;
|
|
}
|
|
|
|
s10->speed_hi = h / e;
|
|
if (h < 0) {
|
|
h = -h;
|
|
s10->direction = -1;
|
|
} else {
|
|
s10->direction = 1;
|
|
}
|
|
|
|
s10->speed_lo = h % e;
|
|
s10->speed_lo_counter = 0;
|
|
}
|
|
|
|
byte IMuseAdlib::struct10_ontimer(Struct10 * s10, Struct11 * s11)
|
|
{
|
|
byte result = 0;
|
|
int i;
|
|
|
|
if (s10->count && (s10->count -= 17) <= 0) {
|
|
s10->active = 0;
|
|
return 0;
|
|
}
|
|
|
|
i = s10->cur_val + s10->speed_hi;
|
|
s10->speed_lo_counter += s10->speed_lo;
|
|
if (s10->speed_lo_counter >= s10->speed_lo_max) {
|
|
s10->speed_lo_counter -= s10->speed_lo_max;
|
|
i += s10->direction;
|
|
}
|
|
if (s10->cur_val != i || s10->modwheel != s10->modwheel_last) {
|
|
s10->cur_val = i;
|
|
s10->modwheel_last = s10->modwheel;
|
|
i = lookup_volume(i, s10->modwheel_last);
|
|
if (i != s11->modify_val) {
|
|
s11->modify_val = i;
|
|
result = 1;
|
|
}
|
|
}
|
|
|
|
if (!--s10->num_steps) {
|
|
s10->active++;
|
|
if (s10->active > 4) {
|
|
if (s10->loop) {
|
|
s10->active = 1;
|
|
result |= 2;
|
|
struct10_setup(s10);
|
|
} else {
|
|
s10->active = 0;
|
|
}
|
|
} else {
|
|
struct10_setup(s10);
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
void IMuseAdlib::struct10_init(Struct10 * s10, InstrumentExtra * ie)
|
|
{
|
|
s10->active = 1;
|
|
s10->cur_val = 0;
|
|
s10->modwheel_last = 31;
|
|
s10->count = ie->a;
|
|
if (s10->count)
|
|
s10->count *= 63;
|
|
s10->table_a[0] = ie->b;
|
|
s10->table_a[1] = ie->d;
|
|
s10->table_a[2] = ie->f;
|
|
s10->table_a[3] = ie->g;
|
|
|
|
s10->table_b[0] = ie->c;
|
|
s10->table_b[1] = ie->e;
|
|
s10->table_b[2] = 0;
|
|
s10->table_b[3] = ie->h;
|
|
|
|
struct10_setup(s10);
|
|
}
|
|
|
|
void IMuseAdlib::mc_init_stuff(MidiChannelAdl *mc, Struct10 * s10,
|
|
Struct11 * s11, byte flags,
|
|
InstrumentExtra * ie)
|
|
{
|
|
Part *part = mc->_part;
|
|
|
|
s11->modify_val = 0;
|
|
s11->flag0x40 = flags & 0x40;
|
|
s10->loop = flags & 0x20;
|
|
s11->flag0x10 = flags & 0x10;
|
|
s11->param = param_table_1[flags & 0xF];
|
|
s10->param = param_table_2[flags & 0xF];
|
|
s10->unk3 = 31;
|
|
if (s11->flag0x40) {
|
|
s10->modwheel = part->_modwheel >> 2;
|
|
} else {
|
|
s10->modwheel = 31;
|
|
}
|
|
|
|
switch (s11->param) {
|
|
case 0:
|
|
s10->start_value = mc->_vol_2;
|
|
break;
|
|
case 13:
|
|
s10->start_value = mc->_vol_1;
|
|
break;
|
|
case 30:
|
|
s10->start_value = 31;
|
|
s11->s10->modwheel = 0;
|
|
break;
|
|
case 31:
|
|
s10->start_value = 0;
|
|
s11->s10->unk3 = 0;
|
|
break;
|
|
default:
|
|
s10->start_value = ((IMuseAdlib*)part->_drv)->adlib_read_param(mc->_channel, s11->param);
|
|
}
|
|
|
|
struct10_init(s10, ie);
|
|
}
|
|
|
|
void IMuseAdlib::mc_inc_stuff(MidiChannelAdl *mc, Struct10 * s10,
|
|
Struct11 * s11)
|
|
{
|
|
byte code;
|
|
Part *part = mc->_part;
|
|
|
|
code = struct10_ontimer(s10, s11);
|
|
|
|
if (code & 1) {
|
|
switch (s11->param) {
|
|
case 0:
|
|
mc->_vol_2 = s10->start_value + s11->modify_val;
|
|
((IMuseAdlib*)part->_drv)->adlib_set_param(mc->_channel, 0,
|
|
volume_table[lookup_table[mc->_vol_2]
|
|
[part->_vol_eff >> 2]]);
|
|
break;
|
|
case 13:
|
|
mc->_vol_1 = s10->start_value + s11->modify_val;
|
|
if (mc->_twochan) {
|
|
((IMuseAdlib*)part->_drv)->adlib_set_param(mc->_channel, 13,
|
|
volume_table[lookup_table[mc->_vol_1]
|
|
[part->_vol_eff >> 2]]);
|
|
} else {
|
|
((IMuseAdlib*)part->_drv)->adlib_set_param(mc->_channel, 13, mc->_vol_1);
|
|
}
|
|
break;
|
|
case 30:
|
|
s11->s10->modwheel = (char)s11->modify_val;
|
|
break;
|
|
case 31:
|
|
s11->s10->unk3 = (char)s11->modify_val;
|
|
break;
|
|
default:
|
|
((IMuseAdlib*)part->_drv)->adlib_set_param(mc->_channel, s11->param,
|
|
s10->start_value + s11->modify_val);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (code & 2 && s11->flag0x10)
|
|
((IMuseAdlib*)part->_drv)->adlib_key_onoff(mc->_channel);
|
|
}
|
|
|
|
void IMuseAdlib::part_changed(Part *part, byte what)
|
|
{
|
|
MidiChannelAdl *mc;
|
|
|
|
if (what & pcProgram) {
|
|
if (part->_program < 32) {
|
|
part_set_instrument(part, &_glob_instr[part->_program]);
|
|
}
|
|
}
|
|
|
|
if (what & pcMod) {
|
|
for (mc = part->_mc->adl(); mc; mc = mc->_next) {
|
|
adlib_note_on(mc->_channel, mc->_note + part->_transpose_eff,
|
|
part->_pitchbend + part->_detune_eff);
|
|
}
|
|
}
|
|
|
|
if (what & pcVolume) {
|
|
for (mc = part->_mc->adl(); mc; mc = mc->_next) {
|
|
adlib_set_param(mc->_channel, 0, volume_table[lookup_table[mc->_vol_2]
|
|
[part->_vol_eff >> 2]]);
|
|
if (mc->_twochan) {
|
|
adlib_set_param(mc->_channel, 13,
|
|
volume_table[lookup_table[mc->_vol_1]
|
|
[part->_vol_eff >> 2]]);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (what & pcPedal) {
|
|
if (!part->_pedal) {
|
|
for (mc = (MidiChannelAdl *)part->_mc; mc; mc = mc->_next) {
|
|
if (mc->_waitforpedal)
|
|
mc_off(mc);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (what & pcModwheel) {
|
|
for (mc = (MidiChannelAdl *)part->_mc; mc; mc = mc->_next) {
|
|
if (mc->_s10a.active && mc->_s11a.flag0x40)
|
|
mc->_s10a.modwheel = part->_modwheel >> 2;
|
|
if (mc->_s10b.active && mc->_s11b.flag0x40)
|
|
mc->_s10b.modwheel = part->_modwheel >> 2;
|
|
}
|
|
}
|
|
}
|
|
|
|
void IMuseAdlib::mc_key_on(MidiChannel * mc2, byte note, byte velocity)
|
|
{
|
|
MidiChannelAdl *mc = (MidiChannelAdl *)mc2;
|
|
Part *part = mc->_part;
|
|
Instrument *instr = &_part_instr[part->_slot];
|
|
int c;
|
|
byte vol_1, vol_2;
|
|
|
|
mc->_twochan = instr->feedback & 1;
|
|
mc->_note = note;
|
|
mc->_waitforpedal = false;
|
|
mc->_duration = instr->duration;
|
|
if (mc->_duration != 0)
|
|
mc->_duration *= 63;
|
|
|
|
vol_1 =
|
|
(instr->oplvl_1 & 0x3F) +
|
|
lookup_table[velocity >> 1][instr->waveform_1 >> 2];
|
|
if (vol_1 > 0x3F)
|
|
vol_1 = 0x3F;
|
|
mc->_vol_1 = vol_1;
|
|
|
|
vol_2 =
|
|
(instr->oplvl_2 & 0x3F) +
|
|
lookup_table[velocity >> 1][instr->waveform_2 >> 2];
|
|
if (vol_2 > 0x3F)
|
|
vol_2 = 0x3F;
|
|
mc->_vol_2 = vol_2;
|
|
|
|
c = part->_vol_eff >> 2;
|
|
|
|
vol_2 = volume_table[lookup_table[vol_2][c]];
|
|
if (mc->_twochan)
|
|
vol_1 = volume_table[lookup_table[vol_1][c]];
|
|
|
|
adlib_setup_channel(mc->_channel, instr, vol_1, vol_2);
|
|
adlib_note_on_ex(mc->_channel, part->_transpose_eff + note,
|
|
part->_detune_eff + part->_pitchbend);
|
|
|
|
if (instr->flags_a & 0x80) {
|
|
mc_init_stuff(mc, &mc->_s10a, &mc->_s11a, instr->flags_a,
|
|
&instr->extra_a);
|
|
} else {
|
|
mc->_s10a.active = 0;
|
|
}
|
|
|
|
if (instr->flags_b & 0x80) {
|
|
mc_init_stuff(mc, &mc->_s10b, &mc->_s11b, instr->flags_b,
|
|
&instr->extra_b);
|
|
} else {
|
|
mc->_s10b.active = 0;
|
|
}
|
|
}
|
|
|
|
void IMuseAdlib::set_instrument(uint slot, byte *data)
|
|
{
|
|
if (slot < 32) {
|
|
memcpy(&_glob_instr[slot], data, sizeof(Instrument));
|
|
}
|
|
}
|
|
|
|
|
|
void IMuseAdlib::link_mc(Part *part, MidiChannelAdl *mc)
|
|
{
|
|
mc->_part = part;
|
|
mc->_next = (MidiChannelAdl *)part->_mc;
|
|
part->_mc = mc;
|
|
mc->_prev = NULL;
|
|
|
|
if (mc->_next)
|
|
mc->_next->_prev = mc;
|
|
}
|
|
|
|
void IMuseAdlib::part_key_on(Part *part, byte note, byte velocity)
|
|
{
|
|
MidiChannelAdl *mc;
|
|
|
|
mc = allocate_midichan(part->_pri_eff);
|
|
if (!mc)
|
|
return;
|
|
|
|
link_mc(part, mc);
|
|
mc_key_on(mc, note, velocity);
|
|
}
|
|
|
|
void IMuseAdlib::part_key_off(Part *part, byte note)
|
|
{
|
|
MidiChannelAdl *mc;
|
|
|
|
for (mc = (MidiChannelAdl *)part->_mc; mc; mc = mc->_next) {
|
|
if (mc->_note == note) {
|
|
if (part->_pedal)
|
|
mc->_waitforpedal = true;
|
|
else
|
|
mc_off(mc);
|
|
}
|
|
}
|
|
}
|
|
|
|
struct AdlibInstrSetParams {
|
|
byte param;
|
|
byte shl;
|
|
byte mask;
|
|
};
|
|
|
|
#define MKLINE(_a_,_b_,_c_) { (int)&((Instrument*)0)->_a_, _b_, ((1<<(_c_))-1)<<(_b_) }
|
|
static const AdlibInstrSetParams adlib_instr_params[69] = {
|
|
MKLINE(oplvl_2, 0, 6),
|
|
MKLINE(waveform_2, 2, 5),
|
|
MKLINE(oplvl_2, 6, 2),
|
|
MKLINE(flags_2, 0, 4),
|
|
MKLINE(atdec_2, 4, 4),
|
|
MKLINE(atdec_2, 0, 4),
|
|
MKLINE(sustrel_2, 4, 4),
|
|
MKLINE(sustrel_2, 0, 4),
|
|
MKLINE(waveform_2, 0, 2),
|
|
MKLINE(flags_2, 7, 1),
|
|
MKLINE(flags_2, 6, 1),
|
|
MKLINE(flags_2, 5, 1),
|
|
MKLINE(flags_2, 4, 1),
|
|
|
|
MKLINE(oplvl_1, 0, 6),
|
|
MKLINE(waveform_1, 2, 5),
|
|
MKLINE(oplvl_1, 6, 2),
|
|
MKLINE(flags_1, 0, 4),
|
|
MKLINE(atdec_1, 4, 4),
|
|
MKLINE(atdec_1, 0, 4),
|
|
MKLINE(sustrel_1, 4, 4),
|
|
MKLINE(sustrel_1, 0, 4),
|
|
MKLINE(waveform_1, 0, 2),
|
|
MKLINE(flags_1, 7, 1),
|
|
MKLINE(flags_1, 6, 1),
|
|
MKLINE(flags_1, 5, 1),
|
|
MKLINE(flags_1, 4, 1),
|
|
|
|
MKLINE(feedback, 0, 1),
|
|
MKLINE(feedback, 1, 3),
|
|
|
|
MKLINE(flags_a, 7, 1),
|
|
MKLINE(flags_a, 6, 1),
|
|
MKLINE(flags_a, 5, 1),
|
|
MKLINE(flags_a, 4, 1),
|
|
MKLINE(flags_a, 0, 4),
|
|
MKLINE(extra_a.a, 0, 8),
|
|
MKLINE(extra_a.b, 0, 7),
|
|
MKLINE(extra_a.c, 0, 7),
|
|
MKLINE(extra_a.d, 0, 7),
|
|
MKLINE(extra_a.e, 0, 7),
|
|
MKLINE(extra_a.f, 0, 7),
|
|
MKLINE(extra_a.g, 0, 7),
|
|
MKLINE(extra_a.h, 0, 7),
|
|
MKLINE(extra_a.b, 7, 1),
|
|
MKLINE(extra_a.c, 7, 1),
|
|
MKLINE(extra_a.d, 7, 1),
|
|
MKLINE(extra_a.e, 7, 1),
|
|
MKLINE(extra_a.f, 7, 1),
|
|
MKLINE(extra_a.g, 7, 1),
|
|
MKLINE(extra_a.h, 7, 1),
|
|
|
|
MKLINE(flags_b, 7, 1),
|
|
MKLINE(flags_b, 6, 1),
|
|
MKLINE(flags_b, 5, 1),
|
|
MKLINE(flags_b, 4, 1),
|
|
MKLINE(flags_b, 0, 4),
|
|
MKLINE(extra_b.a, 0, 8),
|
|
MKLINE(extra_b.b, 0, 7),
|
|
MKLINE(extra_b.c, 0, 7),
|
|
MKLINE(extra_b.d, 0, 7),
|
|
MKLINE(extra_b.e, 0, 7),
|
|
MKLINE(extra_b.f, 0, 7),
|
|
MKLINE(extra_b.g, 0, 7),
|
|
MKLINE(extra_b.h, 0, 7),
|
|
MKLINE(extra_b.b, 7, 1),
|
|
MKLINE(extra_b.c, 7, 1),
|
|
MKLINE(extra_b.d, 7, 1),
|
|
MKLINE(extra_b.e, 7, 1),
|
|
MKLINE(extra_b.f, 7, 1),
|
|
MKLINE(extra_b.g, 7, 1),
|
|
MKLINE(extra_b.h, 7, 1),
|
|
|
|
MKLINE(duration, 0, 8),
|
|
};
|
|
#undef MKLINE
|
|
|
|
void IMuseAdlib::part_set_param(Part *part, byte param, int value)
|
|
{
|
|
const AdlibInstrSetParams *sp = &adlib_instr_params[param];
|
|
byte *p = (byte *)&_part_instr[part->_slot] + sp->param;
|
|
*p = (*p & ~sp->mask) | (value << sp->shl);
|
|
|
|
if (param < 28) {
|
|
MidiChannelAdl *mc;
|
|
|
|
for (mc = (MidiChannelAdl *)part->_mc; mc; mc = mc->_next) {
|
|
adlib_set_param(mc->_channel, param, value);
|
|
}
|
|
}
|
|
}
|
|
|
|
void IMuseAdlib::part_off(Part *part)
|
|
{
|
|
MidiChannelAdl *mc = (MidiChannelAdl *)part->_mc;
|
|
part->_mc = NULL;
|
|
for (; mc; mc = mc->_next) {
|
|
mc_off(mc);
|
|
}
|
|
}
|
|
|
|
void IMuseAdlib::mc_off(MidiChannel * mc2)
|
|
{
|
|
MidiChannelAdl *mc = (MidiChannelAdl *)mc2, *tmp;
|
|
|
|
adlib_key_off(mc->_channel);
|
|
|
|
tmp = mc->_prev;
|
|
|
|
if (mc->_next)
|
|
mc->_next->_prev = tmp;
|
|
if (tmp)
|
|
tmp->_next = mc->_next;
|
|
else
|
|
mc->_part->_mc = mc->_next;
|
|
mc->_part = NULL;
|
|
}
|
|
|
|
void IMuseAdlib::part_set_instrument(Part *part, Instrument * instr)
|
|
{
|
|
Instrument *i = &_part_instr[part->_slot];
|
|
memcpy(i, instr, sizeof(Instrument));
|
|
}
|
|
|
|
int IMuseAdlib::part_update_active(Part *part, uint16 *active)
|
|
{
|
|
uint16 bits;
|
|
int count = 0;
|
|
MidiChannelAdl *mc;
|
|
|
|
bits = 1 << part->_chan;
|
|
|
|
for (mc = part->_mc->adl(); mc; mc = mc->_next) {
|
|
if (!(active[mc->_note] & bits)) {
|
|
active[mc->_note] |= bits;
|
|
count++;
|
|
}
|
|
}
|
|
return count;
|
|
}
|
|
|
|
//********************************************
|
|
//** GENERAL MIDI PART OF IMUSE STARTS HERE **
|
|
//********************************************
|
|
|
|
void IMuseGM::midiPitchBend(byte chan, int16 pitchbend)
|
|
{
|
|
uint16 tmp;
|
|
|
|
if (_midi_pitchbend_last[chan] != pitchbend) {
|
|
_midi_pitchbend_last[chan] = pitchbend;
|
|
tmp = (pitchbend << 2) + 0x2000;
|
|
_md->send(((tmp >> 7) & 0x7F) << 16 | (tmp & 0x7F) << 8 | 0xE0 | chan);
|
|
}
|
|
}
|
|
|
|
void IMuseGM::midiVolume(byte chan, byte volume)
|
|
{
|
|
if (_midi_volume_last[chan] != volume) {
|
|
_midi_volume_last[chan] = volume;
|
|
_md->send(volume << 16 | 7 << 8 | 0xB0 | chan);
|
|
}
|
|
}
|
|
void IMuseGM::midiPedal(byte chan, bool pedal)
|
|
{
|
|
if (_midi_pedal_last[chan] != pedal) {
|
|
_midi_pedal_last[chan] = pedal;
|
|
_md->send(pedal << 16 | 64 << 8 | 0xB0 | chan);
|
|
}
|
|
}
|
|
|
|
void IMuseGM::midiModWheel(byte chan, byte modwheel)
|
|
{
|
|
if (_midi_modwheel_last[chan] != modwheel) {
|
|
_midi_modwheel_last[chan] = modwheel;
|
|
_md->send(modwheel << 16 | 1 << 8 | 0xB0 | chan);
|
|
}
|
|
}
|
|
|
|
void IMuseGM::midiEffectLevel(byte chan, byte level)
|
|
{
|
|
if (_midi_effectlevel_last[chan] != level) {
|
|
_midi_effectlevel_last[chan] = level;
|
|
_md->send(level << 16 | 91 << 8 | 0xB0 | chan);
|
|
}
|
|
}
|
|
|
|
void IMuseGM::midiChorus(byte chan, byte chorus)
|
|
{
|
|
if (_midi_chorus_last[chan] != chorus) {
|
|
_midi_chorus_last[chan] = chorus;
|
|
_md->send(chorus << 16 | 93 << 8 | 0xB0 | chan);
|
|
}
|
|
}
|
|
|
|
void IMuseGM::midiControl0(byte chan, byte value)
|
|
{
|
|
_md->send(value << 16 | 0 << 8 | 0xB0 | chan);
|
|
}
|
|
|
|
|
|
void IMuseGM::midiProgram(byte chan, byte program)
|
|
{
|
|
// if ((chan + 1) != 10) { /* Ignore percussion prededed by patch change */
|
|
if (_se->_mt32emulate)
|
|
program = mt32_to_gmidi[program];
|
|
|
|
_md->send(program << 8 | 0xC0 | chan);
|
|
// }
|
|
}
|
|
|
|
void IMuseGM::midiPan(byte chan, int8 pan)
|
|
{
|
|
if (_midi_pan_last[chan] != pan) {
|
|
_midi_pan_last[chan] = pan;
|
|
_md->send(((pan - 64) & 0x7F) << 16 | 10 << 8 | 0xB0 | chan);
|
|
}
|
|
}
|
|
|
|
void IMuseGM::midiNoteOn(byte chan, byte note, byte velocity)
|
|
{
|
|
_md->send(velocity << 16 | note << 8 | 0x90 | chan);
|
|
}
|
|
|
|
void IMuseGM::midiNoteOff(byte chan, byte note)
|
|
{
|
|
_md->send(note << 8 | 0x80 | chan);
|
|
}
|
|
|
|
void IMuseGM::midiSilence(byte chan)
|
|
{
|
|
_md->send((64 << 8) | 0xB0 | chan);
|
|
_md->send((123 << 8) | 0xB0 | chan);
|
|
}
|
|
|
|
|
|
void IMuseGM::part_key_on(Part *part, byte note, byte velocity)
|
|
{
|
|
MidiChannelGM *mc = part->_mc->gm();
|
|
|
|
if (mc) {
|
|
mc->_actives[note >> 4] |= (1 << (note & 0xF));
|
|
midiNoteOn(mc->_chan, note, velocity);
|
|
} else if (part->_percussion) {
|
|
midiVolume(SPECIAL_CHANNEL, part->_vol_eff);
|
|
midiProgram(SPECIAL_CHANNEL, part->_bank);
|
|
midiNoteOn(SPECIAL_CHANNEL, note, velocity);
|
|
}
|
|
}
|
|
|
|
void IMuseGM::part_key_off(Part *part, byte note)
|
|
{
|
|
MidiChannelGM *mc = part->_mc->gm();
|
|
|
|
if (mc) {
|
|
mc->_actives[note >> 4] &= ~(1 << (note & 0xF));
|
|
midiNoteOff(mc->_chan, note);
|
|
} else if (part->_percussion) {
|
|
midiNoteOff(SPECIAL_CHANNEL, note);
|
|
}
|
|
}
|
|
|
|
#if !defined(__MORPHOS__)
|
|
int IMuseGM::midi_driver_thread(void *param) {
|
|
IMuseGM *mid = (IMuseGM*) param;
|
|
int old_time, cur_time;
|
|
|
|
old_time = mid->_system->get_msecs();
|
|
|
|
for(;;) {
|
|
mid->_system->delay_msecs(10);
|
|
|
|
cur_time = mid->_system->get_msecs();
|
|
while (old_time < cur_time) {
|
|
old_time += 10;
|
|
mid->_se->on_timer();
|
|
}
|
|
}
|
|
}
|
|
#else
|
|
#include <exec/semaphores.h>
|
|
#include <proto/exec.h>
|
|
#include <proto/dos.h>
|
|
#include "../morphos/morphos.h"
|
|
int IMuseGM::midi_driver_thread( void *param )
|
|
{
|
|
IMuseGM *mid = (IMuseGM*) param;
|
|
int old_time, cur_time;
|
|
bool initialized;
|
|
|
|
ObtainSemaphore( &ScummMusicThreadRunning );
|
|
|
|
initialized = init_morphos_music( 0 );
|
|
|
|
old_time = mid->_system->get_msecs();
|
|
|
|
if( !initialized )
|
|
Wait( SIGBREAKF_CTRL_C );
|
|
else
|
|
{
|
|
for(;;)
|
|
{
|
|
MusicTimerIORequest->tr_time.tv_micro = 10000;
|
|
MusicTimerIORequest->tr_node.io_Command = TR_ADDREQUEST;
|
|
MusicTimerIORequest->tr_time.tv_secs = 0;
|
|
DoIO( (struct IORequest *)MusicTimerIORequest );
|
|
|
|
if( CheckSignal( SIGBREAKF_CTRL_C ) )
|
|
break;
|
|
|
|
cur_time = mid->_system->get_msecs();
|
|
while (old_time < cur_time)
|
|
{
|
|
old_time += 10;
|
|
mid->_se->on_timer();
|
|
}
|
|
}
|
|
}
|
|
|
|
exit_morphos_music();
|
|
|
|
ReleaseSemaphore( &ScummMusicThreadRunning );
|
|
RemTask( NULL );
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
void IMuseGM::init(IMuse *eng, OSystem *syst)
|
|
{
|
|
int i;
|
|
MidiChannelGM *mc;
|
|
|
|
_system = syst;
|
|
|
|
/* open midi driver */
|
|
int result = _md->open(MidiDriver::MO_SIMPLE);
|
|
if (result)
|
|
error("IMuseGM::error = %s", MidiDriver::get_error_name(result));
|
|
|
|
/* Install the on_timer thread */
|
|
syst->create_thread(midi_driver_thread, this);
|
|
_se = eng;
|
|
|
|
for (i = 0, mc = _midi_channels; i != ARRAYSIZE(_midi_channels); i++, mc++)
|
|
mc->_chan = i;
|
|
}
|
|
|
|
void IMuseGM::update_pris()
|
|
{
|
|
Part *part, *hipart;
|
|
int i;
|
|
byte hipri, lopri;
|
|
MidiChannelGM *mc, *lomc;
|
|
|
|
while (true) {
|
|
hipri = 0;
|
|
hipart = NULL;
|
|
for (i = 32, part = _se->parts_ptr(); i; i--, part++) {
|
|
if (part->_player && !part->_percussion && part->_on && !part->_mc
|
|
&& part->_pri_eff >= hipri) {
|
|
hipri = part->_pri_eff;
|
|
hipart = part;
|
|
}
|
|
}
|
|
|
|
if (!hipart)
|
|
return;
|
|
|
|
lopri = 255;
|
|
lomc = NULL;
|
|
for (i = ARRAYSIZE(_midi_channels), mc = _midi_channels;; mc++) {
|
|
if (!mc->_part) {
|
|
lomc = mc;
|
|
break;
|
|
}
|
|
if (mc->_part->_pri_eff <= lopri) {
|
|
lopri = mc->_part->_pri_eff;
|
|
lomc = mc;
|
|
}
|
|
|
|
if (!--i) {
|
|
if (lopri >= hipri)
|
|
return;
|
|
lomc->_part->off();
|
|
break;
|
|
}
|
|
}
|
|
|
|
hipart->_mc = lomc;
|
|
lomc->_part = hipart;
|
|
hipart->changed(pcAll);
|
|
}
|
|
}
|
|
|
|
int IMuseGM::part_update_active(Part *part, uint16 *active)
|
|
{
|
|
int i, j;
|
|
uint16 *act, mask, bits;
|
|
int count = 0;
|
|
|
|
bits = 1 << part->_chan;
|
|
|
|
act = part->_mc->gm()->_actives;
|
|
|
|
for (i = 8; i; i--) {
|
|
mask = *act++;
|
|
if (mask) {
|
|
for (j = 16; j; j--, mask >>= 1, active++) {
|
|
if (mask & 1 && !(*active & bits)) {
|
|
*active |= bits;
|
|
count++;
|
|
}
|
|
}
|
|
} else {
|
|
active += 16;
|
|
}
|
|
}
|
|
return count;
|
|
}
|
|
|
|
void IMuseGM::part_changed(Part *part, byte what)
|
|
{
|
|
MidiChannelGM *mc;
|
|
|
|
/* Mark for re-schedule if program changed when in pre-state */
|
|
if (what & pcProgram && part->_percussion) {
|
|
part->_percussion = false;
|
|
update_pris();
|
|
}
|
|
|
|
if (!(mc = part->_mc->gm()))
|
|
return;
|
|
|
|
if (what & pcMod)
|
|
midiPitchBend(mc->_chan,
|
|
clamp(part->_pitchbend + part->_detune_eff +
|
|
(part->_transpose_eff << 7), -2048, 2047));
|
|
|
|
if (what & pcVolume)
|
|
midiVolume(mc->_chan, part->_vol_eff);
|
|
|
|
if (what & pcPedal)
|
|
midiPedal(mc->_chan, part->_pedal);
|
|
|
|
if (what & pcModwheel)
|
|
midiModWheel(mc->_chan, part->_modwheel);
|
|
|
|
if (what & pcPan)
|
|
midiPan(mc->_chan, part->_pan_eff);
|
|
|
|
if (what & pcEffectLevel)
|
|
midiEffectLevel(mc->_chan, part->_effect_level);
|
|
|
|
if (what & pcProgram) {
|
|
if (part->_bank) {
|
|
midiControl0(mc->_chan, part->_bank);
|
|
midiProgram(mc->_chan, part->_program);
|
|
midiControl0(mc->_chan, 0);
|
|
} else {
|
|
midiProgram(mc->_chan, part->_program);
|
|
}
|
|
}
|
|
|
|
if (what & pcChorus)
|
|
midiChorus(mc->_chan, part->_effect_level);
|
|
}
|
|
|
|
|
|
void IMuseGM::part_off(Part *part)
|
|
{
|
|
MidiChannelGM *mc = part->_mc->gm();
|
|
if (mc) {
|
|
part->_mc = NULL;
|
|
mc->_part = NULL;
|
|
memset(mc->_actives, 0, sizeof(mc->_actives));
|
|
midiSilence(mc->_chan);
|
|
}
|
|
}
|
|
|