387 lines
11 KiB
C
387 lines
11 KiB
C
/*
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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/*
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*
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* Routines to manage the songs in Descent.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "error.h"
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#include "pstypes.h"
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#include "songs.h"
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#include "cfile.h"
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#include "digi.h"
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#include "rbaudio.h"
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#include "config.h"
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#include "timer.h"
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#include "jukebox.h"
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song_info Songs[MAX_SONGS];
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int Songs_initialized = 0;
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int cGameSongsAvailable = 0;
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//0 if redbook is no playing, else the track number
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static int Redbook_playing = 0;
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#ifndef MACINTOSH
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#define REDBOOK_VOLUME_SCALE (255/3) //255 is MAX
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#else
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#define REDBOOK_VOLUME_SCALE (255)
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#endif
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//takes volume in range 0..8
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void set_redbook_volume(int volume)
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{
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#ifndef MACINTOSH
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RBASetVolume(0); // makes the macs sound really funny
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#endif
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RBASetVolume(volume*REDBOOK_VOLUME_SCALE/8);
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}
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void songs_init()
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{
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int i;
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char inputline[80+1];
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CFILE * fp;
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if ( Songs_initialized ) return;
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fp = cfopen( "descent.sng", "rb" );
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if ( fp == NULL ) {
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int i;
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for (i = 0; i < SONG_LEVEL_MUSIC + NUM_GAME_SONGS; i++) {
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strcpy(Songs[i].melodic_bank_file, "melodic.bnk");
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strcpy(Songs[i].drum_bank_file, "drum.bnk");
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if (i >= SONG_LEVEL_MUSIC)
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{
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sprintf(Songs[i].filename, "game%02d.hmp", i - SONG_LEVEL_MUSIC + 1);
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if (!digi_music_exists(Songs[i].filename))
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sprintf(Songs[i].filename, "game%d.hmp", i - SONG_LEVEL_MUSIC);
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if (!digi_music_exists(Songs[i].filename))
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{
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Songs[i].filename[0] = '\0'; // music not available
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break;
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}
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}
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}
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strcpy(Songs[SONG_TITLE].filename, "descent.hmp");
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strcpy(Songs[SONG_BRIEFING].filename, "briefing.hmp");
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strcpy(Songs[SONG_CREDITS].filename, "credits.hmp");
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strcpy(Songs[SONG_ENDLEVEL].filename, "endlevel.hmp"); // can't find it? give a warning
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strcpy(Songs[SONG_ENDGAME].filename, "endgame.hmp"); // ditto
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cGameSongsAvailable = i - SONG_LEVEL_MUSIC;
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return;
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}
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i = 0;
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while (cfgets(inputline, 80, fp )) {
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char *p = strchr(inputline,'\n');
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if (p) *p = '\0';
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if ( strlen( inputline ) ) {
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Assert( i < MAX_SONGS );
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sscanf( inputline, "%15s %15s %15s", Songs[i].filename, Songs[i].melodic_bank_file, Songs[i].drum_bank_file );
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i++;
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}
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}
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// HACK: If Descent.hog is patched from 1.0 to 1.5, descent.sng is broken and will not exceed 12 songs. So let's HACK it here.
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if (i==12)
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{
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sprintf(Songs[i].filename,"game08.hmp"); sprintf(Songs[i].melodic_bank_file,"rickmelo.bnk"); sprintf(Songs[i].drum_bank_file,"rickdrum.bnk");
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i++;
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sprintf(Songs[i].filename,"game09.hmp"); sprintf(Songs[i].melodic_bank_file,"melodic.bnk"); sprintf(Songs[i].drum_bank_file,"drum.bnk");
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i++;
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sprintf(Songs[i].filename,"game10.hmp"); sprintf(Songs[i].melodic_bank_file,"melodic.bnk"); sprintf(Songs[i].drum_bank_file,"drum.bnk");
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i++;
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sprintf(Songs[i].filename,"game11.hmp"); sprintf(Songs[i].melodic_bank_file,"intmelo.bnk"); sprintf(Songs[i].drum_bank_file,"intdrum.bnk");
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i++;
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sprintf(Songs[i].filename,"game12.hmp"); sprintf(Songs[i].melodic_bank_file,"melodic.bnk"); sprintf(Songs[i].drum_bank_file,"drum.bnk");
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i++;
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sprintf(Songs[i].filename,"game13.hmp"); sprintf(Songs[i].melodic_bank_file,"intmelo.bnk"); sprintf(Songs[i].drum_bank_file,"intdrum.bnk");
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i++;
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sprintf(Songs[i].filename,"game14.hmp"); sprintf(Songs[i].melodic_bank_file,"intmelo.bnk"); sprintf(Songs[i].drum_bank_file,"intdrum.bnk");
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i++;
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sprintf(Songs[i].filename,"game15.hmp"); sprintf(Songs[i].melodic_bank_file,"melodic.bnk"); sprintf(Songs[i].drum_bank_file,"drum.bnk");
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i++;
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sprintf(Songs[i].filename,"game16.hmp"); sprintf(Songs[i].melodic_bank_file,"melodic.bnk"); sprintf(Songs[i].drum_bank_file,"drum.bnk");
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i++;
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sprintf(Songs[i].filename,"game17.hmp"); sprintf(Songs[i].melodic_bank_file,"melodic.bnk"); sprintf(Songs[i].drum_bank_file,"drum.bnk");
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i++;
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sprintf(Songs[i].filename,"game18.hmp"); sprintf(Songs[i].melodic_bank_file,"intmelo.bnk"); sprintf(Songs[i].drum_bank_file,"intdrum.bnk");
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i++;
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sprintf(Songs[i].filename,"game19.hmp"); sprintf(Songs[i].melodic_bank_file,"melodic.bnk"); sprintf(Songs[i].drum_bank_file,"drum.bnk");
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i++;
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sprintf(Songs[i].filename,"game20.hmp"); sprintf(Songs[i].melodic_bank_file,"melodic.bnk"); sprintf(Songs[i].drum_bank_file,"drum.bnk");
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i++;
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sprintf(Songs[i].filename,"game21.hmp"); sprintf(Songs[i].melodic_bank_file,"intmelo.bnk"); sprintf(Songs[i].drum_bank_file,"intdrum.bnk");
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i++;
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sprintf(Songs[i].filename,"game22.hmp"); sprintf(Songs[i].melodic_bank_file,"hammelo.bnk"); sprintf(Songs[i].drum_bank_file,"hamdrum.bnk");
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i++;
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}
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cGameSongsAvailable = i - SONG_LEVEL_MUSIC;
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Songs_initialized = 1;
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cfclose(fp);
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// RBA Hook
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#if !defined(SHAREWARE) || ( defined(SHAREWARE) && defined(APPLE_DEMO) )
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if (GameCfg.SndEnableRedbook)
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{
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RBAInit();
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set_redbook_volume(GameCfg.MusicVolume);
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}
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atexit(RBAStop); // stop song on exit
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#endif // endof ifndef SHAREWARE, ie ifdef SHAREWARE
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}
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#define FADE_TIME (f1_0/2)
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//stop the redbook, so we can read off the CD
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void songs_stop_redbook(void)
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{
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int old_volume = GameCfg.MusicVolume*REDBOOK_VOLUME_SCALE/8;
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fix old_time = timer_get_fixed_seconds();
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if (Redbook_playing) { //fade out volume
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int new_volume;
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do {
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fix t = timer_get_fixed_seconds();
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new_volume = fixmuldiv(old_volume,(FADE_TIME - (t-old_time)),FADE_TIME);
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if (new_volume < 0)
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new_volume = 0;
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RBASetVolume(new_volume);
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} while (new_volume > 0);
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}
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RBAStop(); // Stop CD, if playing
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RBASetVolume(old_volume); //restore volume
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Redbook_playing = 0;
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}
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//stop any songs - midi or redbook - that are currently playing
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void songs_stop_all(void)
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{
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digi_stop_current_song(); // Stop midi song, if playing
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songs_stop_redbook(); // Stop CD, if playing
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}
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void reinit_redbook()
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{
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RBAInit();
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set_redbook_volume(GameCfg.MusicVolume);
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}
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//returns 1 if track started sucessfully
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//start at tracknum. if keep_playing set, play to end of disc. else
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//play only specified track
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int play_redbook_track(int tracknum,int keep_playing)
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{
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Redbook_playing = 0;
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if (!RBAEnabled() && GameCfg.SndEnableRedbook)
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reinit_redbook();
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if (GameCfg.SndEnableRedbook) {
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int num_tracks = RBAGetNumberOfTracks();
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if (tracknum <= num_tracks)
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if (RBAPlayTracks(tracknum,keep_playing?num_tracks:tracknum)) {
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Redbook_playing = tracknum;
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}
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}
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return (Redbook_playing != 0);
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}
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/*
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* This list may not be exhaustive!!
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*/
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#define D1_MAC_OEM_DISCID 0xde0feb0e // Descent CD that came with the Mac Performa 6400, hope mine isn't scratched [too much]
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#define REDBOOK_FIRST_LEVEL_TRACK (songs_haved1_cd()?6:1)
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#define REDBOOK_ENDLEVEL_TRACK 4
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#define REDBOOK_ENDGAME_TRACK 14
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// songs_haved1_cd returns 1 if the descent 1 Mac CD is in the drive and
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// 0 otherwise
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#if 1
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int songs_haved1_cd()
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{
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int discid;
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if (!GameCfg.SndEnableRedbook)
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return 0;
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discid = RBAGetDiscID();
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switch (discid) {
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case D1_MAC_OEM_DISCID: // Doesn't work with your Mac Descent CD? Please tell!
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return 1;
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default:
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return 0;
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}
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}
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#else
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int songs_haved1_cd()
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{
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char temp[128],cwd[128];
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getcwd(cwd, 128);
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strcpy(temp,CDROM_dir);
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#ifndef MACINTOSH //for PC, strip of trailing slash
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if (temp[strlen(temp)-1] == '\\')
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temp[strlen(temp)-1] = 0;
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#endif
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if ( !chdir(temp) ) {
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chdir(cwd);
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return 1;
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}
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return 0;
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}
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#endif
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void songs_play_song( int songnum, int repeat )
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{
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if ( !Songs_initialized ) songs_init();
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//stop any music already playing
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songs_stop_all();
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// The endgame track is the last track...
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if (songnum < SONG_ENDGAME)
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play_redbook_track(songnum + 2,0);
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else if (songnum == SONG_ENDGAME)
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play_redbook_track(REDBOOK_ENDGAME_TRACK,0);
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else if (songnum > SONG_ENDGAME)
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play_redbook_track(songnum + 1,0);
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if (!Redbook_playing) //not playing redbook, so play midi
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digi_play_midi_song( Songs[songnum].filename, Songs[songnum].melodic_bank_file, Songs[songnum].drum_bank_file, repeat );
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}
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int current_song_level;
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void songs_play_level_song( int levelnum )
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{
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int songnum;
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int n_tracks;
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Assert( levelnum != 0 );
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if ( !Songs_initialized ) songs_init();
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songs_stop_all();
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if (cGameSongsAvailable < 1)
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return;
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current_song_level = levelnum;
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if (levelnum < 0)
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songnum = (-levelnum) % cGameSongsAvailable;
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else
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songnum = (levelnum-1) % cGameSongsAvailable;
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if (!RBAEnabled() && GameCfg.SndEnableRedbook) // need this to determine if we currently have the official CD
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reinit_redbook();
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if (RBAEnabled() && GameCfg.SndEnableRedbook) {
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//try to play redbook
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play_redbook_track(REDBOOK_FIRST_LEVEL_TRACK + (songnum % (n_tracks-REDBOOK_FIRST_LEVEL_TRACK+1)),!songs_haved1_cd());
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}
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if (! Redbook_playing) { //not playing redbook, so play midi
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songnum += SONG_LEVEL_MUSIC;
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digi_play_midi_song( Songs[songnum].filename, Songs[songnum].melodic_bank_file, Songs[songnum].drum_bank_file, 1 );
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}
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}
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//this should be called regularly to check for redbook restart
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//ideally, this would be handled by a hook
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void songs_check_redbook_repeat()
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{
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static fix last_check_time;
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fix current_time;
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if (!Redbook_playing || GameCfg.MusicVolume==0) return;
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current_time = timer_get_fixed_seconds();
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if (current_time < last_check_time || (current_time - last_check_time) >= F2_0) {
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if (!RBAPeekPlayStatus() && (Redbook_playing != REDBOOK_ENDLEVEL_TRACK)) {
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stop_time();
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play_redbook_track(Redbook_playing, 0);
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start_time();
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}
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last_check_time = current_time;
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}
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}
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//goto the next level song
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void songs_goto_next_song()
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{
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if (Redbook_playing) //get correct track
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current_song_level = RBAGetTrackNum() - REDBOOK_FIRST_LEVEL_TRACK + 1;
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#ifdef USE_SDLMIXER
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else if (GameCfg.JukeboxOn)
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{
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jukebox_next();
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return;
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}
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#endif
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songs_play_level_song(current_song_level+1);
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}
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//goto the previous level song
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void songs_goto_prev_song()
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{
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if (Redbook_playing) //get correct track
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current_song_level = RBAGetTrackNum() - REDBOOK_FIRST_LEVEL_TRACK + 1;
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#ifdef USE_SDLMIXER
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else if (GameCfg.JukeboxOn)
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{
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jukebox_prev();
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return;
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}
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#endif
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if (current_song_level > 1)
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songs_play_level_song(current_song_level-1);
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}
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