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dxx-rebirth/arch/win32/digi.c
zicodxx cde0244a09 initial import
2006-03-20 16:43:15 +00:00

940 lines
27 KiB
C
Executable file
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#define DIGI_SOUND
#define MIDI_SOUND
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <mmsystem.h>
#include <dsound.h>
#include <math.h>
#include "error.h"
#include "mono.h"
#include "fix.h"
#include "vecmat.h"
#include "gr.h" // needed for piggy.h
#include "piggy.h"
#include "digi.h"
#include "sounds.h"
#include "wall.h"
#include "newdemo.h"
#include "kconfig.h"
#include "hmpfile.h"
#include "altsound.h"
hmp_file *hmp = NULL;
#ifdef DIGI_SOUND
#define MAX_SOUND_SLOTS 32
#define MIN_VOLUME 10
#define SOF_USED 1 // Set if this sample is used
#define SOF_PLAYING 2 // Set if this sample is playing on a channel
#define SOF_LINK_TO_OBJ 4 // Sound is linked to a moving object. If object dies, then finishes play and quits.
#define SOF_LINK_TO_POS 8 // Sound is linked to segment, pos
#define SOF_PLAY_FOREVER 16 // Play forever (or until level is stopped), otherwise plays once
typedef struct sound_object {
short signature; // A unique signature to this sound
ubyte flags; // Used to tell if this slot is used and/or currently playing, and how long.
fix max_volume; // Max volume that this sound is playing at
fix max_distance; // The max distance that this sound can be heard at...
int volume; // Volume that this sound is playing at
int pan; // Pan value that this sound is playing at
int handle; // What handle this sound is playing on. Valid only if SOF_PLAYING is set.
short soundnum; // The sound number that is playing
union {
struct {
short segnum; // Used if SOF_LINK_TO_POS field is used
short sidenum;
vms_vector position;
}pos;
struct {
short objnum; // Used if SOF_LINK_TO_OBJ field is used
short objsignature;
}obj;
}link;
} sound_object;
#define lp_segnum link.pos.segnum
#define lp_sidenum link.pos.sidenum
#define lp_position link.pos.position
#define lo_objnum link.obj.objnum
#define lo_objsignature link.obj.objsignature
#define MAX_SOUND_OBJECTS 16
sound_object SoundObjects[MAX_SOUND_OBJECTS];
short next_signature=0;
//added/changed on 980905 by adb to make sfx volume work
#define SOUND_MAX_VOLUME F1_0
int digi_volume = SOUND_MAX_VOLUME;
//end edit by adb
LPDIRECTSOUND lpds;
WAVEFORMATEX waveformat;
DSBUFFERDESC dsbd;
extern HWND g_hWnd;
struct sound_slot {
int soundno;
int playing; // Is there a sample playing on this channel?
int looped; // Play this sample looped?
fix pan; // 0 = far left, 1 = far right
fix volume; // 0 = nothing, 1 = fully on
//changed on 980905 by adb from char * to unsigned char *
unsigned char *samples;
//end changes by adb
unsigned int length; // Length of the sample
unsigned int position; // Position we are at at the moment.
LPDIRECTSOUNDBUFFER lpsb;
} SoundSlots[MAX_SOUND_SLOTS];
int digi_lomem = 0;
int midi_volume = 255;
int digi_midi_song_playing = 0;
int digi_last_midi_song = 0;
int digi_last_midi_song_loop = 0;
static int digi_initialised = 0;
static int digi_atexit_initialised=0;
static int digi_sounds_initialized = 0;
//added on 980905 by adb to add rotating/volume based sound kill system
static int digi_max_channels = 16;
static int next_handle = 0;
int SampleHandles[32];
void reset_sounds_on_channel(int channel);
//end edit by adb
void digi_reset_digi_sounds(void);
void digi_reset() { }
void digi_close(void) {
if(digi_initialised){
digi_reset_digi_sounds();
IDirectSound_Release(lpds);
}
digi_initialised = 0;
}
/* Initialise audio devices. */
int digi_init()
{
HRESULT hr;
if (!digi_initialised && g_hWnd){
memset(&waveformat, 0, sizeof(waveformat));
waveformat.wFormatTag=WAVE_FORMAT_PCM;
waveformat.wBitsPerSample=8;
waveformat.nChannels = 1;
waveformat.nSamplesPerSec = 11025;
waveformat.nBlockAlign =
waveformat.nChannels * (waveformat.wBitsPerSample/8);
waveformat.nAvgBytesPerSec =
waveformat.nSamplesPerSec * waveformat.nBlockAlign;
if ((hr = DirectSoundCreate(NULL, &lpds, NULL)) != DS_OK)
return -1;
if ((hr = IDirectSound_SetCooperativeLevel(lpds, g_hWnd, DSSCL_PRIORITY)) //hWndMain
!= DS_OK)
{
IDirectSound_Release(lpds);
return -1;
}
memset(&dsbd, 0, sizeof(dsbd));
dsbd.dwSize = sizeof(dsbd);
dsbd.dwFlags = DSBCAPS_CTRLDEFAULT | DSBCAPS_GETCURRENTPOSITION2;
dsbd.dwBufferBytes = 8192;
dsbd.dwReserved=0;
dsbd.lpwfxFormat = &waveformat;
digi_initialised = 1;
}
if (!digi_atexit_initialised){
atexit(digi_close);
digi_atexit_initialised=1;
}
return 0;
}
//added 2000/01/15 Matt Mueller -- remove some duplication (and fix a big memory leak, in the kill=0 one case)
static int DS_release_slot(int slot,int kill){
if (SoundSlots[slot].lpsb) {
unsigned int s;
IDirectSoundBuffer_GetStatus(SoundSlots[slot].lpsb, &s);
if (s & DSBSTATUS_PLAYING){
if (kill)
IDirectSoundBuffer_Stop(SoundSlots[slot].lpsb);
else
return 0;
}
IDirectSoundBuffer_Release(SoundSlots[slot].lpsb);
SoundSlots[slot].playing = 0;
SoundSlots[slot].lpsb = NULL;
return 1;
}
return 0;
}
static int get_free_slot()
{
int i;
for (i=0; i<MAX_SOUND_SLOTS; i++)
{
if (!SoundSlots[i].playing) return i;
if (DS_release_slot(i,0))
return i;
}
return -1;
}
int D1vol2DSvol(fix d1v){
//multiplying by 1.5 doesn't help. DirectSound uses dB for volume, rather than a linear scale like d1 wants.
//I had to pull out a math book, but here is the code to fix it :) -Matt Mueller
//log x=y <==> x=a^y
// a
if (d1v<=0)
return -10000;
else
// return log2(f2fl(d1v))*1000;//no log2? hm.
return log(f2fl(d1v))/log(2)*1000.0;
}
int digi_start_sound(int soundnum, fix volume, fix pan)
{
int ntries;
int slot;
HRESULT hr;
if (!digi_initialised)
return -1;
// added on 980905 by adb from original source to add sound kill system
// play at most digi_max_channel samples, if possible kill sample with low volume
ntries = 0;
TryNextChannel:
if ((SampleHandles[next_handle] >= 0) && (SoundSlots[SampleHandles[next_handle]].playing))
{
if ((SoundSlots[SampleHandles[next_handle]].volume > digi_volume) && (ntries < digi_max_channels))
{
//mprintf((0, "Not stopping loud sound %d.\n", next_handle));
next_handle++;
if (next_handle >= digi_max_channels)
next_handle = 0;
ntries++;
goto TryNextChannel;
}
//mprintf((0, "[SS:%d]", next_handle));
SampleHandles[next_handle] = -1;
}
// end edit by adb
slot = get_free_slot();
if (slot < 0)
return -1;
SoundSlots[slot].soundno = soundnum;
SoundSlots[slot].samples = Sounddat(soundnum)->data;
SoundSlots[slot].length = Sounddat(soundnum)->length;
SoundSlots[slot].volume = fixmul(digi_volume, volume);
SoundSlots[slot].pan = pan;
SoundSlots[slot].position = 0;
SoundSlots[slot].looped = 0;
SoundSlots[slot].playing = 1;
memset(&waveformat, 0, sizeof(waveformat));
waveformat.wFormatTag = WAVE_FORMAT_PCM;
waveformat.wBitsPerSample = Sounddat(soundnum)->bits;
waveformat.nChannels = 1;
waveformat.nSamplesPerSec = Sounddat(soundnum)->freq; //digi_sample_rate;
waveformat.nBlockAlign = waveformat.nChannels * (waveformat.wBitsPerSample / 8);
waveformat.nAvgBytesPerSec = waveformat.nSamplesPerSec * waveformat.nBlockAlign;
memset(&dsbd, 0, sizeof(dsbd));
dsbd.dwSize = sizeof(dsbd);
dsbd.dwFlags = DSBCAPS_CTRLDEFAULT | DSBCAPS_GETCURRENTPOSITION2;
dsbd.dwReserved=0;
dsbd.dwBufferBytes = SoundSlots[slot].length;
dsbd.lpwfxFormat = &waveformat;
hr = IDirectSound_CreateSoundBuffer(lpds, &dsbd, &SoundSlots[slot].lpsb, NULL);
if (hr != DS_OK)
{
printf("Createsoundbuffer failed! hr=0x%X\n", (int)hr);
abort();
}
{
void *ptr1, *ptr2;
DWORD len1, len2;
IDirectSoundBuffer_Lock(SoundSlots[slot].lpsb, 0, Sounddat(soundnum)->length,
&ptr1, &len1, &ptr2, &len2, 0);
memcpy(ptr1, Sounddat(soundnum)->data, MIN(len1, Sounddat(soundnum)->length));
IDirectSoundBuffer_Unlock(SoundSlots[slot].lpsb, ptr1, len1, ptr2, len2);
}
IDirectSoundBuffer_SetPan(SoundSlots[slot].lpsb, ((int)(f2fl(pan) * 20000.0)) - 10000);
IDirectSoundBuffer_SetVolume(SoundSlots[slot].lpsb, D1vol2DSvol(SoundSlots[slot].volume));
IDirectSoundBuffer_Play(SoundSlots[slot].lpsb, 0, 0, 0);
// added on 980905 by adb to add sound kill system from original sos digi.c
reset_sounds_on_channel(slot);
SampleHandles[next_handle] = slot;
next_handle++;
if (next_handle >= digi_max_channels)
next_handle = 0;
// end edit by adb
if (Function_mode == FMODE_MENU)
return slot;
}
//added on 980905 by adb to add sound kill system from original sos digi.c
void reset_sounds_on_channel( int channel )
{
int i;
for (i=0; i<digi_max_channels; i++)
if (SampleHandles[i] == channel)
SampleHandles[i] = -1;
}
//end edit by adb
int digi_start_sound_object(int obj)
{
int slot;
HRESULT hr;
if (!digi_initialised)
return -1;
slot = get_free_slot();
if (slot<0)
return -1;
SoundSlots[slot].soundno = SoundObjects[obj].soundnum;
SoundSlots[slot].samples = Sounddat(SoundObjects[obj].soundnum)->data;
SoundSlots[slot].length = Sounddat(SoundObjects[obj].soundnum)->length;
SoundSlots[slot].volume = fixmul(digi_volume, SoundObjects[obj].volume);
SoundSlots[slot].pan = SoundObjects[obj].pan;
SoundSlots[slot].position = 0;
SoundSlots[slot].looped = (SoundObjects[obj].flags & SOF_PLAY_FOREVER);
SoundSlots[slot].playing = 1;
memset(&waveformat, 0, sizeof(waveformat));
waveformat.wFormatTag=WAVE_FORMAT_PCM;
waveformat.wBitsPerSample = Sounddat(SoundObjects[obj].soundnum)->bits;
waveformat.nChannels = 1;
waveformat.nSamplesPerSec = Sounddat(SoundObjects[obj].soundnum)->freq;
waveformat.nBlockAlign =
waveformat.nChannels * (waveformat.wBitsPerSample/8);
waveformat.nAvgBytesPerSec =
waveformat.nSamplesPerSec * waveformat.nBlockAlign;
memset(&dsbd, 0, sizeof(dsbd));
dsbd.dwSize = sizeof(dsbd);
dsbd.dwFlags = DSBCAPS_CTRLDEFAULT | DSBCAPS_GETCURRENTPOSITION2;
dsbd.dwReserved=0;
dsbd.dwBufferBytes = SoundSlots[slot].length;
dsbd.lpwfxFormat = &waveformat;
hr = IDirectSound_CreateSoundBuffer(lpds, &dsbd, &SoundSlots[slot].lpsb, NULL);
if ( hr != DS_OK )
{
abort();
}
{
char *ptr1, *ptr2;
int len1, len2;
IDirectSoundBuffer_Lock(SoundSlots[slot].lpsb, 0, SoundSlots[slot].length,
(void **)&ptr1, &len1, (void **)&ptr2, &len2, 0);
memcpy(ptr1, SoundSlots[slot].samples, MIN(len1,(int)SoundSlots[slot].length));
IDirectSoundBuffer_Unlock(SoundSlots[slot].lpsb, (void *)ptr1, len1, (void *)ptr2, len2);
}
IDirectSoundBuffer_SetPan(SoundSlots[slot].lpsb, ((int)(f2fl(SoundSlots[slot].pan) * 20000))-10000);
IDirectSoundBuffer_SetVolume(SoundSlots[slot].lpsb,D1vol2DSvol(SoundSlots[slot].volume));
IDirectSoundBuffer_Play(SoundSlots[slot].lpsb, 0, 0, SoundSlots[slot].looped?DSBPLAY_LOOPING:0);
SoundObjects[obj].signature = next_signature++;
SoundObjects[obj].handle = slot;
SoundObjects[obj].flags |= SOF_PLAYING;
//added on 980905 by adb to add sound kill system from original sos digi.c
reset_sounds_on_channel(slot);
//end edit by adb
return 0;
}
// Play the given sound number.
// Volume is max at F1_0.
void digi_play_sample( int soundno, fix max_volume )
{
#ifdef NEWDEMO
if ( Newdemo_state == ND_STATE_RECORDING )
newdemo_record_sound( soundno );
#endif
if (!digi_initialised)
return;
if (digi_xlat_sound(soundno) < 0 ) return;
digi_start_sound(soundno, max_volume, F0_5);
}
// Play the given sound number. If the sound is already playing,
// restart it.
void digi_play_sample_once( int soundno, fix max_volume )
{
int i;
#ifdef NEWDEMO
if ( Newdemo_state == ND_STATE_RECORDING )
newdemo_record_sound( soundno );
#endif
if (!digi_initialised)
return;
if (digi_xlat_sound(soundno) < 0 )
return;
for (i=0; i < MAX_SOUND_SLOTS; i++)
if (SoundSlots[i].soundno == soundno)
{
SoundSlots[i].playing = 0;
DS_release_slot(i,1);
}
digi_start_sound(soundno, max_volume, F0_5);
}
void digi_play_sample_3d( int soundno, int angle, int volume, int no_dups ) // Volume from 0-0x7fff
{
no_dups = 1;
#ifdef NEWDEMO
if ( Newdemo_state == ND_STATE_RECORDING )
{
if ( no_dups )
newdemo_record_sound_3d_once( soundno, angle, volume );
else
newdemo_record_sound_3d( soundno, angle, volume );
}
#endif
if (!digi_initialised)
return;
if (digi_xlat_sound(soundno) < 0 )
return;
if (volume < MIN_VOLUME )
return;
digi_start_sound(soundno, volume, angle);
}
void digi_get_sound_loc( vms_matrix * listener, vms_vector * listener_pos, int listener_seg, vms_vector * sound_pos, int sound_seg, fix max_volume, int *volume, int *pan, fix max_distance )
{
vms_vector vector_to_sound;
fix angle_from_ear, cosang,sinang;
fix distance;
fix path_distance;
*volume = 0;
*pan = 0;
max_distance = (max_distance*5)/4; // Make all sounds travel 1.25 times as far.
// Warning: Made the vm_vec_normalized_dir be vm_vec_normalized_dir_quick and got illegal values to acos in the fang computation.
distance = vm_vec_normalized_dir_quick( &vector_to_sound, sound_pos, listener_pos );
if (distance < max_distance ) {
int num_search_segs = f2i(max_distance/20);
if ( num_search_segs < 1 ) num_search_segs = 1;
path_distance = find_connected_distance(listener_pos, listener_seg, sound_pos, sound_seg, num_search_segs, WID_RENDPAST_FLAG );
if ( path_distance > -1 ) {
*volume = max_volume - fixdiv(path_distance,max_distance);
//mprintf( (0, "Sound path distance %.2f, volume is %d / %d\n", f2fl(distance), *volume, max_volume ));
if (*volume > 0 ) {
angle_from_ear = vm_vec_delta_ang_norm(&listener->rvec,&vector_to_sound,&listener->uvec);
fix_sincos(angle_from_ear,&sinang,&cosang);
//mprintf( (0, "volume is %.2f\n", f2fl(*volume) ));
if (Config_channels_reversed) cosang *= -1;
*pan = (cosang + F1_0)/2;
} else {
*volume = 0;
}
}
}
}
int digi_link_sound_to_object2( int soundnum, short objnum, int forever, fix max_volume, fix max_distance )
{
int i,volume,pan;
object * objp;
if ( max_volume < 0 )
return -1;
if (!digi_initialised)
return -1;
if (digi_xlat_sound(soundnum) < 0 )
return -1;
if (Sounddat(soundnum)->data==NULL)
{
Int3();
return -1;
}
if ((objnum<0)||(objnum>Highest_object_index))
return -1;
if ( !forever )
{
// Hack to keep sounds from building up...
digi_get_sound_loc( &Viewer->orient, &Viewer->pos, Viewer->segnum, &Objects[objnum].pos, Objects[objnum].segnum, max_volume,&volume, &pan, max_distance );
digi_play_sample_3d( soundnum, pan, volume, 0 );
return -1;
}
for (i=0; i<MAX_SOUND_OBJECTS; i++ )
if (SoundObjects[i].flags==0)
break;
if (i==MAX_SOUND_OBJECTS)
{
mprintf((1, "Too many sound objects!\n" ));
return -1;
}
SoundObjects[i].signature=next_signature++;
SoundObjects[i].flags = SOF_USED | SOF_LINK_TO_OBJ;
if ( forever )
SoundObjects[i].flags |= SOF_PLAY_FOREVER;
SoundObjects[i].lo_objnum = objnum;
SoundObjects[i].lo_objsignature = Objects[objnum].signature;
SoundObjects[i].max_volume = max_volume;
SoundObjects[i].max_distance = max_distance;
SoundObjects[i].volume = 0;
SoundObjects[i].pan = 0;
SoundObjects[i].soundnum = soundnum;
objp = &Objects[SoundObjects[i].lo_objnum];
digi_get_sound_loc( &Viewer->orient, &Viewer->pos, Viewer->segnum,
&objp->pos, objp->segnum, SoundObjects[i].max_volume,
&SoundObjects[i].volume, &SoundObjects[i].pan, SoundObjects[i].max_distance );
if (!forever || SoundObjects[i].volume >= MIN_VOLUME)
digi_start_sound_object(i);
return SoundObjects[i].signature;
}
int digi_link_sound_to_object( int soundnum, short objnum, int forever, fix max_volume )
{
return digi_link_sound_to_object2( soundnum, objnum, forever, max_volume, 256*F1_0);
}
int digi_link_sound_to_pos2( int soundnum, short segnum, short sidenum, vms_vector * pos, int forever, fix max_volume, fix max_distance )
{
int i, volume, pan;
if ( max_volume < 0 )
return -1;
if (!digi_initialised)
return -1;
if (digi_xlat_sound(soundnum) < 0)
return -1;
if (Sounddat(soundnum)->data==NULL)
{
Int3();
return -1;
}
if ((segnum<0)||(segnum>Highest_segment_index))
return -1;
if ( !forever )
{
// Hack to keep sounds from building up...
digi_get_sound_loc( &Viewer->orient, &Viewer->pos, Viewer->segnum, pos, segnum, max_volume, &volume, &pan, max_distance );
digi_play_sample_3d( soundnum, pan, volume, 0 );
return -1;
}
for (i=0; i<MAX_SOUND_OBJECTS; i++ )
if (SoundObjects[i].flags==0)
break;
if (i==MAX_SOUND_OBJECTS)
{
mprintf((1, "Too many sound objects!\n" ));
return -1;
}
SoundObjects[i].signature=next_signature++;
SoundObjects[i].flags = SOF_USED | SOF_LINK_TO_POS;
if ( forever )
SoundObjects[i].flags |= SOF_PLAY_FOREVER;
SoundObjects[i].lp_segnum = segnum;
SoundObjects[i].lp_sidenum = sidenum;
SoundObjects[i].lp_position = *pos;
SoundObjects[i].soundnum = soundnum;
SoundObjects[i].max_volume = max_volume;
SoundObjects[i].max_distance = max_distance;
SoundObjects[i].volume = 0;
SoundObjects[i].pan = 0;
digi_get_sound_loc( &Viewer->orient, &Viewer->pos, Viewer->segnum,
&SoundObjects[i].lp_position, SoundObjects[i].lp_segnum,
SoundObjects[i].max_volume,
&SoundObjects[i].volume, &SoundObjects[i].pan, SoundObjects[i].max_distance );
if (!forever || SoundObjects[i].volume >= MIN_VOLUME)
digi_start_sound_object(i);
return SoundObjects[i].signature;
}
int digi_link_sound_to_pos( int soundnum, short segnum, short sidenum, vms_vector * pos, int forever, fix max_volume )
{
return digi_link_sound_to_pos2( soundnum, segnum, sidenum, pos, forever, max_volume, F1_0 * 256 );
}
void digi_kill_sound_linked_to_segment( int segnum, int sidenum, int soundnum )
{
int i,killed;
if (!digi_initialised)
return;
killed = 0;
for (i=0; i<MAX_SOUND_OBJECTS; i++ )
if ( (SoundObjects[i].flags & SOF_USED) &&
(SoundObjects[i].flags & SOF_LINK_TO_POS) &&
(SoundObjects[i].lp_segnum == segnum) &&
(SoundObjects[i].soundnum==soundnum ) &&
(SoundObjects[i].lp_sidenum==sidenum) )
{
if ( SoundObjects[i].flags & SOF_PLAYING )
{
SoundSlots[SoundObjects[i].handle].playing = 0;
DS_release_slot(SoundObjects[i].handle,1);
}
SoundObjects[i].flags = 0; // Mark as dead, so some other sound can use this sound
killed++;
}
// If this assert happens, it means that there were 2 sounds
// that got deleted. Weird, get John.
if ( killed > 1 )
{
mprintf( (1, "ERROR: More than 1 sounds were deleted from seg %d\n", segnum ));
}
}
void digi_kill_sound_linked_to_object( int objnum )
{
int i,killed;
if (!digi_initialised) return;
killed = 0;
for (i=0; i<MAX_SOUND_OBJECTS; i++ ) {
if ( (SoundObjects[i].flags & SOF_USED) && (SoundObjects[i].flags & SOF_LINK_TO_OBJ ) ) {
if (SoundObjects[i].lo_objnum == objnum) {
if ( SoundObjects[i].flags & SOF_PLAYING ) {
SoundSlots[SoundObjects[i].handle].playing = 0;
DS_release_slot(SoundObjects[i].handle,1);
}
SoundObjects[i].flags = 0; // Mark as dead, so some other sound can use this sound
killed++;
}
}
}
// If this assert happens, it means that there were 2 sounds
// that got deleted. Weird, get John.
if ( killed > 1 ) {
mprintf( (1, "ERROR: More than 1 sounds were deleted from object %d\n", objnum ));
}
}
void digi_sync_sounds() // ZICO - modified to get pan/fading working
{
int i;
int oldvolume, oldpan;
if (!digi_initialised) return;
for (i=0; i<MAX_SOUND_OBJECTS; i++ ) {
if ( SoundObjects[i].flags & SOF_USED ) {
oldvolume = SoundObjects[i].volume;
oldpan = SoundObjects[i].pan;
if ( !(SoundObjects[i].flags & SOF_PLAY_FOREVER) ) {
// Check if its done.
if (SoundObjects[i].flags & SOF_PLAYING) {
if (!SoundSlots[SoundObjects[i].handle].playing) {
SoundObjects[i].flags = 0; // Mark as dead, so some other sound can use this sound
continue; // Go on to next sound...
}
}
}
if ( SoundObjects[i].flags & SOF_LINK_TO_POS ) {
digi_get_sound_loc( &Viewer->orient, &Viewer->pos, Viewer->segnum,
&SoundObjects[i].lp_position, SoundObjects[i].lp_segnum,
SoundObjects[i].max_volume,
&SoundObjects[i].volume, &SoundObjects[i].pan, SoundObjects[i].max_distance );
} else if ( SoundObjects[i].flags & SOF_LINK_TO_OBJ ) {
object * objp;
objp = &Objects[SoundObjects[i].lo_objnum];
if ((objp->type==OBJ_NONE) || (objp->signature!=SoundObjects[i].lo_objsignature)) {
// The object that this is linked to is dead, so just end this sound if it is looping.
if ( (SoundObjects[i].flags & SOF_PLAYING) && (SoundObjects[i].flags & SOF_PLAY_FOREVER)) {
DS_release_slot(SoundObjects[i].handle, 1);
}
SoundObjects[i].flags = 0; // Mark as dead, so some other sound can use this sound
continue; // Go on to next sound...
} else {
digi_get_sound_loc( &Viewer->orient, &Viewer->pos, Viewer->segnum,
&objp->pos, objp->segnum, SoundObjects[i].max_volume,
&SoundObjects[i].volume, &SoundObjects[i].pan, SoundObjects[i].max_distance );
}
}
if (oldvolume != SoundObjects[i].volume) {
if ( SoundObjects[i].volume < MIN_VOLUME || Function_mode == FMODE_MENU) {
// Sound is too far away, so stop it from playing.
if ((SoundObjects[i].flags & SOF_PLAYING)&&(SoundObjects[i].flags & SOF_PLAY_FOREVER)) {
DS_release_slot(SoundObjects[i].handle, 1);
SoundObjects[i].flags &= ~SOF_PLAYING; // Mark sound as not playing
}
} else {
if (!(SoundObjects[i].flags & SOF_PLAYING)) {
digi_start_sound_object(i);
} else {
SoundSlots[SoundObjects[i].handle].volume = fixmuldiv(SoundObjects[i].volume,digi_volume,F1_0);
IDirectSoundBuffer_SetVolume(SoundSlots[SoundObjects[i].handle].lpsb, D1vol2DSvol(SoundSlots[SoundObjects[i].handle].volume));
}
}
}
if (oldpan != SoundObjects[i].pan) {
if (SoundObjects[i].flags & SOF_PLAYING)
{
SoundSlots[SoundObjects[i].handle].pan = SoundObjects[i].pan;
IDirectSoundBuffer_SetPan(SoundSlots[SoundObjects[i].handle].lpsb, ((int)(f2fl(SoundObjects[i].pan) * 20000.0)) - 10000);
}
}
}
}
}
void digi_init_sounds()
{
int i;
if (!digi_initialised) return;
digi_reset_digi_sounds();
for (i=0; i<MAX_SOUND_OBJECTS; i++ ) {
if (digi_sounds_initialized) {
if ( SoundObjects[i].flags & SOF_PLAYING ) {
SoundSlots[SoundObjects[i].handle].playing=0;
DS_release_slot(SoundObjects[i].handle,1);
}
}
SoundObjects[i].flags = 0; // Mark as dead, so some other sound can use this sound
}
digi_sounds_initialized = 1;
}
//added on 980905 by adb from original source to make sfx volume work
void digi_set_digi_volume( int dvolume )
{
dvolume = fixmuldiv( dvolume, SOUND_MAX_VOLUME, 0x7fff);
if ( dvolume > SOUND_MAX_VOLUME )
digi_volume = SOUND_MAX_VOLUME;
else if ( dvolume < 0 )
digi_volume = 0;
else
digi_volume = dvolume;
if ( !digi_initialised ) return;
digi_sync_sounds();
}
//end edit by adb
void digi_set_volume( int dvolume, int mvolume )
{
digi_set_digi_volume(dvolume);
digi_set_midi_volume(mvolume);
}
int digi_is_sound_playing(int soundno)
{
int i;
soundno = digi_xlat_sound(soundno);
for (i = 0; i < MAX_SOUND_SLOTS; i++)
//changed on 980905 by adb: added SoundSlots[i].playing &&
if (SoundSlots[i].playing && SoundSlots[i].soundno == soundno)
//end changes by adb
return 1;
return 0;
}
void digi_pause_all() { }
void digi_resume_all() { }
void digi_stop_all() { }
//added on 980905 by adb to make sound channel setting work
void digi_set_max_channels(int n) {
digi_max_channels = n;
if ( digi_max_channels < 1 )
digi_max_channels = 1;
if ( digi_max_channels > (MAX_SOUND_SLOTS-MAX_SOUND_OBJECTS) )
digi_max_channels = (MAX_SOUND_SLOTS-MAX_SOUND_OBJECTS);
if ( !digi_initialised ) return;
digi_reset_digi_sounds();
}
int digi_get_max_channels() {
return digi_max_channels;
}
// end edit by adb
void digi_reset_digi_sounds() {
int i;
for (i=0; i< MAX_SOUND_SLOTS; i++) {
SoundSlots[i].playing=0;
DS_release_slot(i,1);
}
//added on 980905 by adb to reset sound kill system
memset(SampleHandles, 255, sizeof(SampleHandles));
next_handle = 0;
//end edit by adb
}
#else
int digi_lomem = 0;
int digi_midi_song_playing = 0;
static int digi_initialised = 0;
int midi_volume = 255;
int digi_get_settings() { return 0; }
int digi_init() { digi_initialised = 1; return 0; }
void digi_reset() {}
void digi_close() {}
void digi_play_sample( int sndnum, fix max_volume ) {}
void digi_play_sample_once( int sndnum, fix max_volume ) {}
int digi_link_sound_to_object( int soundnum, short objnum, int forever, fix max_volume ) { return 0; }
int digi_link_sound_to_pos( int soundnum, short segnum, short sidenum, vms_vector * pos, int forever, fix max_volume ) { return 0; }
// Same as above, but you pass the max distance sound can be heard. The old way uses f1_0*256 for max_distance.
int digi_link_sound_to_object2( int soundnum, short objnum, int forever, fix max_volume, fix max_distance ) { return 0; }
int digi_link_sound_to_pos2( int soundnum, short segnum, short sidenum, vms_vector * pos, int forever, fix max_volume, fix max_distance ) { return 0; }
void digi_play_sample_3d( int soundno, int angle, int volume, int no_dups ) {} // Volume from 0-0x7fff
void digi_init_sounds() {}
void digi_sync_sounds() {}
void digi_kill_sound_linked_to_segment( int segnum, int sidenum, int soundnum ) {}
void digi_kill_sound_linked_to_object( int objnum ) {}
void digi_set_digi_volume( int dvolume ) {}
void digi_set_volume( int dvolume, int mvolume ) {}
int digi_is_sound_playing(int soundno) { return 0; }
void digi_pause_all() {}
void digi_resume_all() {}
void digi_stop_all() {}
void digi_set_max_channels(int n) {}
int digi_get_max_channels() { return 0; }
#endif
#ifdef MIDI_SOUND
// MIDI stuff follows.
void digi_stop_current_song()
{
if ( digi_midi_song_playing ) {
hmp_close(hmp);
hmp = NULL;
digi_midi_song_playing = 0;
}
}
void digi_set_midi_volume( int n )
{
int mm_volume;
if (n < 0)
midi_volume = 0;
else if (n > 127)
midi_volume = 127;
else
midi_volume = n;
// scale up from 0-127 to 0-0xffff
mm_volume = (midi_volume << 1) | (midi_volume & 1);
mm_volume |= (mm_volume << 8);
if (hmp)
midiOutSetVolume((HMIDIOUT)hmp->hmidi, mm_volume | mm_volume << 16);
}
void digi_play_midi_song( char * filename, char * melodic_bank, char * drum_bank, int loop )
{
if (!digi_initialised) return;
digi_stop_current_song();
//added on 5/20/99 by Victor Rachels to fix crash/etc
if(filename == NULL) return;
if(midi_volume < 1) return;
//end this section addition - VR
if ((hmp = hmp_open(filename))) {
hmp_play(hmp, loop);
digi_midi_song_playing = 1;
digi_set_midi_volume(midi_volume);
}
else
printf("hmp_open failed\n");
}
#else
void digi_stop_current_song() {}
void digi_set_midi_volume( int n ) {}
void digi_play_midi_song( char * filename, char * melodic_bank, char * drum_bank, int loop ) {}
#endif
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