274 lines
6 KiB
C++
274 lines
6 KiB
C++
/*
|
|
* This file is part of the DXX-Rebirth project <http://www.dxx-rebirth.com/>.
|
|
* It is copyright by its individual contributors, as recorded in the
|
|
* project's Git history. See COPYING.txt at the top level for license
|
|
* terms and a link to the Git history.
|
|
*/
|
|
/*
|
|
* Digital audio support
|
|
* Library-independent stub for dynamic selection of sound system
|
|
*/
|
|
|
|
#include "dxxerror.h"
|
|
#include "vecmat.h"
|
|
#include "piggy.h"
|
|
#include "config.h"
|
|
#include "digi.h"
|
|
#include "sounds.h"
|
|
#include "console.h"
|
|
#include "rbaudio.h"
|
|
#include "jukebox.h"
|
|
#include "args.h"
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <digi.h>
|
|
#include <digi_audio.h>
|
|
|
|
#ifdef USE_SDLMIXER
|
|
#include <digi_mixer.h>
|
|
#endif
|
|
#ifdef _WIN32
|
|
#include "hmp.h"
|
|
#endif
|
|
|
|
inline namespace dsx {
|
|
|
|
#ifndef __PIE__
|
|
/* PIE -> paranoid checks
|
|
* No PIE -> prefer speed
|
|
*/
|
|
#define DXX_COPY_SOUND_TABLE
|
|
#endif
|
|
|
|
/* Sound system function pointers */
|
|
|
|
namespace {
|
|
|
|
struct sound_function_table_t
|
|
{
|
|
int (*init)();
|
|
void (*close)();
|
|
#ifndef RELEASE
|
|
void (*reset)();
|
|
#endif
|
|
void (*set_channel_volume)(int, int);
|
|
void (*set_channel_pan)(int, int);
|
|
int (*start_sound)(short, fix, int, int, int, int, sound_object *);
|
|
void (*stop_sound)(int);
|
|
void (*end_sound)(int);
|
|
int (*is_channel_playing)(int);
|
|
void (*stop_all_channels)();
|
|
void (*set_digi_volume)(int);
|
|
};
|
|
|
|
#ifdef USE_SDLMIXER
|
|
static const sound_function_table_t digi_mixer_table{
|
|
&digi_mixer_init,
|
|
&digi_mixer_close,
|
|
#ifndef RELEASE
|
|
&digi_mixer_reset,
|
|
#endif
|
|
&digi_mixer_set_channel_volume,
|
|
&digi_mixer_set_channel_pan,
|
|
&digi_mixer_start_sound,
|
|
&digi_mixer_stop_sound,
|
|
&digi_mixer_end_sound,
|
|
&digi_mixer_is_channel_playing,
|
|
&digi_mixer_stop_all_channels,
|
|
&digi_mixer_set_digi_volume,
|
|
};
|
|
#endif
|
|
|
|
static const sound_function_table_t digi_audio_table{
|
|
&digi_audio_init,
|
|
&digi_audio_close,
|
|
#ifndef RELEASE
|
|
&digi_audio_reset,
|
|
#endif
|
|
&digi_audio_set_channel_volume,
|
|
&digi_audio_set_channel_pan,
|
|
&digi_audio_start_sound,
|
|
&digi_audio_stop_sound,
|
|
&digi_audio_end_sound,
|
|
&digi_audio_is_channel_playing,
|
|
&digi_audio_stop_all_channels,
|
|
&digi_audio_set_digi_volume,
|
|
};
|
|
|
|
class sound_function_pointers_t
|
|
{
|
|
#ifdef USE_SDLMIXER
|
|
#ifdef DXX_COPY_SOUND_TABLE
|
|
sound_function_table_t table;
|
|
#else
|
|
const sound_function_table_t *table;
|
|
#endif
|
|
#endif
|
|
public:
|
|
__attribute_cold
|
|
void report_invalid_table() __noreturn;
|
|
inline const sound_function_table_t *operator->();
|
|
inline sound_function_pointers_t &operator=(const sound_function_table_t &t);
|
|
};
|
|
|
|
#ifdef USE_SDLMIXER
|
|
#ifdef DXX_COPY_SOUND_TABLE
|
|
const sound_function_table_t *sound_function_pointers_t::operator->()
|
|
{
|
|
return &table;
|
|
}
|
|
|
|
sound_function_pointers_t &sound_function_pointers_t::operator=(const sound_function_table_t &t)
|
|
{
|
|
table = t;
|
|
return *this;
|
|
}
|
|
#else
|
|
void sound_function_pointers_t::report_invalid_table()
|
|
{
|
|
/* Out of line due to length of generated code */
|
|
throw std::logic_error("invalid table");
|
|
}
|
|
|
|
const sound_function_table_t *sound_function_pointers_t::operator->()
|
|
{
|
|
if (table != &digi_audio_table && table != &digi_mixer_table)
|
|
report_invalid_table();
|
|
return table;
|
|
}
|
|
|
|
sound_function_pointers_t &sound_function_pointers_t::operator=(const sound_function_table_t &t)
|
|
{
|
|
table = &t;
|
|
/* Trap bad initial assignment */
|
|
operator->();
|
|
return *this;
|
|
}
|
|
#endif
|
|
#else
|
|
const sound_function_table_t *sound_function_pointers_t::operator->()
|
|
{
|
|
return &digi_audio_table;
|
|
}
|
|
|
|
sound_function_pointers_t &sound_function_pointers_t::operator=(const sound_function_table_t &)
|
|
{
|
|
return *this;
|
|
}
|
|
#endif
|
|
|
|
}
|
|
|
|
static sound_function_pointers_t fptr;
|
|
|
|
void digi_select_system()
|
|
{
|
|
#ifdef USE_SDLMIXER
|
|
if (!CGameArg.SndDisableSdlMixer)
|
|
{
|
|
con_printf(CON_NORMAL,"Using SDL_mixer library");
|
|
fptr = digi_mixer_table;
|
|
return;
|
|
}
|
|
#endif
|
|
con_printf(CON_NORMAL,"Using plain old SDL audio");
|
|
fptr = digi_audio_table;
|
|
}
|
|
|
|
/* Common digi functions */
|
|
#if defined(DXX_BUILD_DESCENT_I)
|
|
int digi_sample_rate = SAMPLE_RATE_11K;
|
|
#endif
|
|
int digi_volume = SOUND_MAX_VOLUME;
|
|
|
|
/* Stub functions */
|
|
|
|
int digi_init()
|
|
{
|
|
digi_init_sounds();
|
|
return fptr->init();
|
|
}
|
|
|
|
void digi_close() { fptr->close(); }
|
|
#ifndef RELEASE
|
|
void digi_reset() { fptr->reset(); }
|
|
#endif
|
|
|
|
void digi_set_channel_volume(int channel, int volume) { fptr->set_channel_volume(channel, volume); }
|
|
void digi_set_channel_pan(int channel, int pan) { fptr->set_channel_pan(channel, pan); }
|
|
|
|
int digi_start_sound(short soundnum, fix volume, int pan, int looping, int loop_start, int loop_end, sound_object *soundobj)
|
|
{
|
|
return fptr->start_sound(soundnum, volume, pan, looping, loop_start, loop_end, soundobj);
|
|
}
|
|
|
|
void digi_stop_sound(int channel) { fptr->stop_sound(channel); }
|
|
void digi_end_sound(int channel) { fptr->end_sound(channel); }
|
|
|
|
int digi_is_channel_playing(int channel) { return fptr->is_channel_playing(channel); }
|
|
void digi_stop_all_channels() { fptr->stop_all_channels(); }
|
|
void digi_set_digi_volume(int dvolume) { fptr->set_digi_volume(dvolume); }
|
|
|
|
#ifdef _WIN32
|
|
// Windows native-MIDI stuff.
|
|
int digi_win32_midi_song_playing=0;
|
|
static std::unique_ptr<hmp_file> cur_hmp;
|
|
static int firstplay = 1;
|
|
|
|
void digi_win32_set_midi_volume( int mvolume )
|
|
{
|
|
hmp_setvolume(cur_hmp.get(), mvolume*MIDI_VOLUME_SCALE/8);
|
|
}
|
|
|
|
int digi_win32_play_midi_song( const char * filename, int loop )
|
|
{
|
|
if (firstplay)
|
|
{
|
|
hmp_reset();
|
|
firstplay = 0;
|
|
}
|
|
digi_win32_stop_midi_song();
|
|
|
|
if (filename == NULL)
|
|
return 0;
|
|
|
|
if ((cur_hmp = hmp_open(filename)))
|
|
{
|
|
/*
|
|
* FIXME: to be implemented as soon as we have some kind or checksum function - replacement for ugly hack in hmp.c for descent.hmp
|
|
* if (***filesize check*** && ***CRC32 or MD5 check***)
|
|
* (((*cur_hmp).trks)[1]).data[6] = 0x6C;
|
|
*/
|
|
if (hmp_play(cur_hmp.get(),loop) != 0)
|
|
return 0; // error
|
|
digi_win32_midi_song_playing = 1;
|
|
digi_win32_set_midi_volume(GameCfg.MusicVolume);
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void digi_win32_pause_midi_song()
|
|
{
|
|
hmp_pause(cur_hmp.get());
|
|
}
|
|
|
|
void digi_win32_resume_midi_song()
|
|
{
|
|
hmp_resume(cur_hmp.get());
|
|
}
|
|
|
|
void digi_win32_stop_midi_song()
|
|
{
|
|
if (!digi_win32_midi_song_playing)
|
|
return;
|
|
cur_hmp.reset();
|
|
digi_win32_midi_song_playing = 0;
|
|
hmp_reset();
|
|
}
|
|
#endif
|
|
|
|
}
|