Checking in basic OpenAL support (Chuck Mason).

Don't default to fullscreen for now.

Makefile

@@ -6,7 +6,7 @@ CXXFLAGS = $(CFLAGS)
 LDLIBS = -lm
 
 CFLAGS += `sdl-config --cflags`
-LDLIBS += -L/usr/X11R6/lib -lX11 -lXext -lGL `sdl-config --libs`
+LDLIBS += -L/usr/X11R6/lib -lX11 -lXext -lGL `sdl-config --libs` -lopenal -lm
 
 AFLAGS = -g -Iinclude/ -w+macro-params -w+orphan-labels -w+number-overflow
 

src/avp/psnd.c

@@ -581,7 +581,11 @@ void Sound_Stop(int activeSoundNumber)
 	PlatStopSound(activeSoundNumber);
 
 	/* release the active sound slot */
+	{	/* CEM - FIXME: hack */
+		int buf = ActiveSounds[activeSoundNumber].ds3DBufferP;
 		ActiveSounds[activeSoundNumber] = BlankActiveSound;
+		ActiveSounds[activeSoundNumber].ds3DBufferP = buf;
+	}
 }
 
 void Sound_ChangeVolume(int activeSoundNumber, int volume)

src/avp/scream.cpp

@@ -350,20 +350,20 @@ void UnloadScreamSounds()
 /* TODO: dir separator */
 void LoadMarineScreamSounds()
 {
-	MarineSounds.LoadSounds("marsound.dat","npc/marinevoice/");
+	MarineSounds.LoadSounds("marsound.dat","npc\\marinevoice\\");
 }
 void LoadAlienScreamSounds()
 {
-	AlienSounds.LoadSounds("aliensound.dat","npc/alienvoice/");
+	AlienSounds.LoadSounds("aliensound.dat","npc\\alienvoice\\");
 }
 void LoadPredatorScreamSounds()
 {
-	PredatorSounds.LoadSounds("predsound.dat","npc/predatorvoice/");
+	PredatorSounds.LoadSounds("predsound.dat","npc\\predatorvoice\\");
 }
 
 void LoadQueenScreamSounds()
 {
-	QueenSounds.LoadSounds("queensound.dat","npc/queenvoice/");
+	QueenSounds.LoadSounds("queensound.dat","npc\\queenvoice\\");
 }
 
 

src/avp/win95/projload.cpp

@@ -507,7 +507,7 @@ Global_Hierarchy_Store::Global_Hierarchy_Store (RIFFHANDLE h)
 			if(dir_chunk)
 			{
 			/* TODO: dir separator */
-				sprintf(wavname,"%s/%s",dir_chunk->directory,isc->wav_name);
+				sprintf(wavname,"%s\\%s",dir_chunk->directory,isc->wav_name);
 				sound_array[index].sound_loaded=GetSound(wavname);
 			}
 			else

src/avp/win95/psndplat.h

@@ -28,6 +28,7 @@ typedef struct soundsampledata
 	int pitch;					
 
 //	LPDIRECTSOUNDBUFFER dsBufferP;
+	int dsBufferP;
 	void *buffer;
 	
 	unsigned int flags;
@@ -63,6 +64,10 @@ typedef struct activesoundsample
 //	LPDIRECTSOUNDBUFFER dsBufferP;
 //	LPDIRECTSOUND3DBUFFER ds3DBufferP;
 //	LPKSPROPERTYSET	PropSetP;
+	int dsBufferP;
+	int ds3DBufferP;
+	float PropSetP_pos[3];
+	float PropSetP_vel[3];
 	
 	void *buffer;
 	void *buffer3d;

src/main.c

@@ -90,7 +90,7 @@ int InitialiseWindowsSystem()
 	SDL_WM_SetCaption("Aliens vs Predator", "Aliens vs Predator");
 
 	/* -w will disable to first fullscreen, -f will turn it on */
-	SDL_WM_ToggleFullScreen(surface);
+//	SDL_WM_ToggleFullScreen(surface);
 	SDL_WM_GrabInput(SDL_GRAB_ON);
 	SDL_ShowCursor(0);	
 	                
@@ -569,14 +569,14 @@ int main(int argc, char *argv[])
 
 	AvP.CurrentEnv = AvP.StartingEnv = 0; /* are these even used? */
 	
-//	AvP.PlayerType = I_Alien;
+	AvP.PlayerType = I_Alien;
-//	SetLevelToLoad(AVP_ENVIRONMENT_FERARCO); /* starting alien level */
+	SetLevelToLoad(AVP_ENVIRONMENT_FERARCO); /* starting alien level */
 
 //	AvP.PlayerType = I_Marine;
 //	SetLevelToLoad(AVP_ENVIRONMENT_DERELICT); /* starting marine level */
 
-	AvP.PlayerType = I_Predator;
+//	AvP.PlayerType = I_Predator;
-	SetLevelToLoad(AVP_ENVIRONMENT_WATERFALL); /* starting predator level */
+//	SetLevelToLoad(AVP_ENVIRONMENT_WATERFALL); /* starting predator level */
 
 //	SetLevelToLoad(AVP_ENVIRONMENT_LEADWORKS_MP); /* multiplayer */
 

src/openal.c

@@ -2,23 +2,85 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include <AL/al.h>
+#include <AL/alc.h>
+#include <AL/alut.h>
+
+#include <SDL/SDL_audio.h> // For a few defines (AUDIO_*)
+
 #include "fixer.h"
 
 #include "3dc.h"
 #include "platform.h"
 #include "psndplat.h"
+#include "gamedef.h"
+#include "avpview.h"
+#include "ffstdio.h"
+#include "dynamics.h"
+#include "dynblock.h"
+#include "stratdef.h"
 
  /* psndplat.cpp */
 ACTIVESOUNDSAMPLE ActiveSounds[SOUND_MAXACTIVE];
-ACTIVESOUNDSAMPLE BlankActiveSound = {SID_NOSOUND,ASP_Minimum,0,0,NULL,0,0,0,0,0, { {0,0,0},{0,0,0},0,0 }, NULL, NULL, NULL};
+ACTIVESOUNDSAMPLE BlankActiveSound = {SID_NOSOUND,ASP_Minimum,0,0,NULL,0,0,0,0,0, { {0,0,0},{0,0,0},0,0 }, 0, 0, { 0.0, 0.0, 0.0 }, { 0.0, 0.0, 0.0 }, NULL, NULL, NULL};
-SOUNDSAMPLEDATA BlankGameSound = {0,0,0,0,NULL,0,0,NULL,0};
+SOUNDSAMPLEDATA BlankGameSound = {0,0,0,0,0,NULL,0,0,NULL,0};
 SOUNDSAMPLEDATA GameSounds[SID_MAXIMUM];
 
+ALCdevice *AvpSoundDevice;
+ALvoid *AvpSoundContext;
+
 int PlatStartSoundSys()
 {
+	int i;
+	ALfloat pos[] = { 0.0, 0.0, 0.0 },
+	       vel[] = { 0.0, 0.0, 0.0 },
+	       or[] = { 0.0, 0.0, 1.0, 0.0, -1.0, 0.0 };
+	int attrlist[] = {
+		ALC_FREQUENCY, 22050,
+		ALC_SYNC, AL_FALSE,
+		0
+	};
+	       
 	fprintf(stderr, "PlatStartSoundSys()\n");
 	
-	return 0;
+	AvpSoundDevice = alcOpenDevice ("'( (sampling-rate 22050 ))");
+	AvpSoundContext = alcCreateContext (AvpSoundDevice, attrlist);
+	alcMakeContextCurrent (AvpSoundContext);
+	
+	alListenerfv (AL_POSITION, pos);
+	alListenerfv (AL_VELOCITY, vel);
+	alListenerfv (AL_ORIENTATION, or);
+	
+	if (alGetError () != AL_NO_ERROR) {
+		perror ("alListenerfv()");
+		exit (1);
+	}
+	
+	for (i = 0; i < SOUND_MAXACTIVE; i++) {
+		ALuint p;
+		
+		alGenSources (1, &(ActiveSounds[i].ds3DBufferP));
+		p = ActiveSounds[i].ds3DBufferP;
+
+		ActiveSounds[i].PropSetP_pos[0] = 0.0;
+		ActiveSounds[i].PropSetP_pos[1] = 0.0;
+		ActiveSounds[i].PropSetP_pos[2] = 0.0;
+		ActiveSounds[i].PropSetP_vel[0] = 0.0;
+		ActiveSounds[i].PropSetP_vel[1] = 0.0;
+		ActiveSounds[i].PropSetP_vel[2] = 0.0;
+
+		if (alGetError () != AL_NO_ERROR) {
+			perror ("alGenSources ()");
+			return -1;
+		}
+		
+		alSourcef (p, AL_PITCH, 1.0f);
+		alSourcef (p, AL_GAIN, 1.0f);
+		alSourcefv (p, AL_POSITION, ActiveSounds[i].PropSetP_pos);
+		alSourcefv (p, AL_VELOCITY, ActiveSounds[i].PropSetP_vel);
+	}
+	
+	return 1;
 }
 
 void PlatEndSoundSys()
@@ -35,44 +97,270 @@ int PlatChangeGlobalVolume(int volume)
 
 int PlatPlaySound(int activeIndex)
 {
+	int si;
+	
 	fprintf(stderr, "PlatPlaySound(%d)\n", activeIndex);
 
+	if ((activeIndex < 0) || (activeIndex >= SOUND_MAXACTIVE))
+		return 0;
+	si = ActiveSounds[activeIndex].soundIndex;
+	if ((si < 0) || (si >= SID_MAXIMUM))
+		return 0;
+	if (!GameSounds[si].loaded)
+		return 0;
+
+	if (!PlatSoundHasStopped(activeIndex))		
+		PlatStopSound (activeIndex);
+		
+	if (ActiveSounds[activeIndex].loop)
+		alSourcei (ActiveSounds[activeIndex].ds3DBufferP, AL_LOOPING, AL_TRUE);
+	else
+		alSourcei (ActiveSounds[activeIndex].ds3DBufferP, AL_LOOPING, AL_FALSE);
+
+	alSourcei (ActiveSounds[activeIndex].ds3DBufferP, AL_BUFFER,
+		   GameSounds[si].dsBufferP);
+
+
+	if (ActiveSounds[activeIndex].pitch != GameSounds[si].pitch) {
+		int ok = PlatChangeSoundPitch (activeIndex, ActiveSounds[activeIndex].pitch);
+		if (ok == SOUND_PLATFORMERROR) {
+			PlatStopSound (activeIndex);
+			return ok;
+		}
+	}
+	
+	if (ActiveSounds[activeIndex].threedee) {
+		int ok;
+		
+		/* set distance at which attenuation starts */
+	
+	
+		ok = PlatDo3dSound (activeIndex);
+		
+		if (ok == SOUND_PLATFORMERROR) {
+			PlatStopSound (activeIndex);
+			return ok;
+		}
+	} else {
+		int newVolume, ok;
+		
+		newVolume = ActiveSounds[activeIndex].volume;
+		newVolume = (newVolume * VOLUME_PLAT2DSCALE) >> 7;
+		ActiveSounds[activeIndex].volume = newVolume;
+		
+		ok = PlatChangeSoundVolume (activeIndex, ActiveSounds[activeIndex].volume);
+		if (ok == SOUND_PLATFORMERROR) {
+			PlatStopSound (activeIndex);
+			return ok;
+		}
+	}
+	
+	
+	
+	if (!ActiveSounds[activeIndex].paused) {
+		alSourcePlay (ActiveSounds[activeIndex].ds3DBufferP);
+		
+		if (ActiveSounds[activeIndex].loop) {
+			fprintf (stderr, "Playing sound %i %s looping in slot %i\n",
+				si, GameSounds[si].wavName, activeIndex);
+		} else {
+			fprintf (stderr, "Playing sound %i %s once in slot %i\n",
+				si, GameSounds[si].wavName, activeIndex);
+		}
+	}
+	
 	return 1;
 }
 
 void PlatStopSound(int activeIndex)
 {
 	fprintf(stderr, "PlatStopSound(%d)\n", activeIndex);
+	
+//	if (ActiveSounds[activeIndex].paused)
+//		alSourcePause (ActiveSounds[activeIndex].ds3DBufferP);
+//	else
+//		alSourceStop (ActiveSounds[activeIndex].ds3DBufferP);
+	if (!PlatSoundHasStopped (activeIndex))
+		alSourceStop (ActiveSounds[activeIndex].ds3DBufferP);
 }
 
 int PlatChangeSoundVolume(int activeIndex, int volume)
 {
-	fprintf(stderr, "PlatChangeSoundVolume(%d, %d)\n", activeIndex, volume);
+	float nv = 127.0f / (float) volume;
+	
+	fprintf(stderr, "PlatChangeSoundVolume(%d, %d) - %f\n", activeIndex, volume, nv);
+	
+	if (nv > 1.0)
+		nv = 1.0;
+		
+	alSourcef (ActiveSounds[activeIndex].ds3DBufferP, 
+		   AL_MAX_GAIN, nv);
 		   
 	return 1;
 }
 
 int PlatChangeSoundPitch(int activeIndex, int pitch)
 {
+	float frequency;
+	
 	fprintf(stderr, "PlatChangeSoundPitch(%d, %d)\n", activeIndex, pitch);
 
+	if ((pitch < PITCH_MIN) || (pitch >= PITCH_MAX))
+		return 0;
+	
+	if (pitch == PITCH_DEFAULTPLAT)
+		frequency = 0;
+	else {
+		SOUNDINDEX gsi = ActiveSounds[activeIndex].soundIndex;
+		frequency = ToneToFrequency (GameSounds[gsi].dsFrequency,
+			GameSounds[gameSoundIndex].pitch, pitch);
+		frequency = (128.0f / ((float)pitch + 127.0));
+	}
+	
+	ActiveSounds[activeIndex].pitch = pitch;
+	
+//	alSourcei (ActiveSounds[activeIndex].ds3DBufferP, AL_PITCH, frequency);	
+
 	return 1;
 }
 
 int PlatSoundHasStopped(int activeIndex)
 {
+	ALint val;
+	
 	fprintf(stderr, "PlatSoundHasStopped(%d)\n", activeIndex);
 
+	alGetSourceiv (ActiveSounds[activeIndex].ds3DBufferP, 
+			AL_SOURCE_STATE, &val);
+
+	if (alGetError () != AL_NO_ERROR) 
+		return SOUND_PLATFORMERROR;
+		
+	if ((val != AL_PLAYING) && (val != AL_PAUSED))
 		return 1;
+
+	return 0;
 }
 
 int PlatDo3dSound(int activeIndex)
 {
+	int distance;
+	VECTORCH relativePosn;
+	int newPan, newVolume;
+	
 	fprintf(stderr, "PlatDo3dSound(%d)\n", activeIndex);
 
+	relativePosn.vx = ActiveSounds[activeIndex].threedeedata.position.vx - 
+			Global_VDB_Ptr->VDB_World.vx;
+	relativePosn.vy = ActiveSounds[activeIndex].threedeedata.position.vy - 
+			Global_VDB_Ptr->VDB_World.vy;
+	relativePosn.vz = ActiveSounds[activeIndex].threedeedata.position.vz - 
+			Global_VDB_Ptr->VDB_World.vz;
+
+	distance = Magnitude (&relativePosn);
+	
+	if (ActiveSounds[activeIndex].paused) {
+		if (distance < (ActiveSounds[activeIndex].threedeedata.outer_range + SOUND_DEACTIVATERANGE)) {
+			PlatStopSound (activeIndex);
+			
+			if (ActiveSounds[activeIndex].loop)
+				alSourcei (ActiveSounds[activeIndex].ds3DBufferP, AL_LOOPING, AL_TRUE);
+			else								
+				alSourcei (ActiveSounds[activeIndex].ds3DBufferP, AL_LOOPING, AL_FALSE);
+			
+			alSourcePlay (ActiveSounds[activeIndex].ds3DBufferP);
+			newVolume = 0;
+			ActiveSounds[activeIndex].paused = 0;
+		} else {
+			return 1;
+		}
+	}
+	
+	if (distance < ActiveSounds[activeIndex].threedeedata.inner_range) {
+		newVolume = ActiveSounds[activeIndex].volume;
+	} else {
+		if (distance < ActiveSounds[activeIndex].threedeedata.outer_range) {
+			float in_to_dis_to_out = ActiveSounds[activeIndex].threedeedata.outer_range - distance;
+			float in_to_out = ActiveSounds[activeIndex].threedeedata.outer_range - ActiveSounds[activeIndex].threedeedata.inner_range;
+			
+			if (in_to_out > 0.0) {
+				newVolume = (int)
+					((float)ActiveSounds[activeIndex].volume * (in_to_dis_to_out / in_to_out));
+			} else {
+				newVolume = 0;
+			}
+		} else {
+			newVolume = 0;
+			
+			if ((distance < (ActiveSounds[activeIndex].threedeedata.outer_range + SOUND_DEACTIVATERANGE)) &&
+			   ActiveSounds[activeIndex].loop) {
+				PlatStopSound (activeIndex);
+				ActiveSounds[activeIndex].paused = 1;
+			}
+		}
+	}
+	
+	if (newVolume > VOLUME_MAX)
+		newVolume = VOLUME_MAX;
+	if (newVolume < VOLUME_MIN)
+		newVolume = VOLUME_MIN;
+	
+	if (PlatChangeSoundVolume (activeIndex, newVolume) == SOUND_PLATFORMERROR) {
+		return SOUND_PLATFORMERROR;
+	}
+	
+	if (distance < ActiveSounds[activeIndex].threedeedata.outer_range) {
+		ActiveSounds[activeIndex].PropSetP_pos[0] =
+			relativePosn.vx;
+		ActiveSounds[activeIndex].PropSetP_pos[1] =
+			relativePosn.vy;
+		ActiveSounds[activeIndex].PropSetP_pos[2] =
+			relativePosn.vz;
+		alSourcefv (ActiveSounds[activeIndex].ds3DBufferP,
+			    AL_POSITION, ActiveSounds[activeIndex].PropSetP_pos);
+	
+#if 1
+		ActiveSounds[activeIndex].PropSetP_vel[0] =
+			ActiveSounds[activeIndex].threedeedata.velocity.vx;
+		ActiveSounds[activeIndex].PropSetP_vel[1] =
+			ActiveSounds[activeIndex].threedeedata.velocity.vy;
+		ActiveSounds[activeIndex].PropSetP_vel[2] =
+			ActiveSounds[activeIndex].threedeedata.velocity.vz;
+		alSourcefv (ActiveSounds[activeIndex].ds3DBufferP,
+			    AL_VELOCITY, ActiveSounds[activeIndex].PropSetP_vel);
+#endif
+	} else {
+		int angle;
+		Normalise (&relativePosn);
+		angle = ArcTan (relativePosn.vx, relativePosn.vz);
+		if (angle >= Player->ObEuler.EulerY)
+			angle -= Player->ObEuler.EulerY;
+		else
+			angle += (4096 - Player->ObEuler.EulerY);
+		
+		// LOCALASSERT ((angle>=0)&&(angle<=4095))
+		if (angle > 1024) {
+			if (angle < 3072)
+				angle = (2048-angle);
+			else 
+				angle = (angle-4096);
+		}
+		// LOCALASSERT((angle>=-1024)&&(angle<=1024));
+		newPan = (PAN_MAXPLAT * angle) >> 10;
+		
+		if ((distance < ActiveSounds[activeIndex].threedeedata.inner_range) && (newPan != 0)) {
+			newPan = (newPan * distance) / ActiveSounds[activeIndex].threedeedata.inner_range;
+		}
+		
+		if (PlatChangeSoundPan (activeIndex, newPan) == SOUND_PLATFORMERROR) {
+			return SOUND_PLATFORMERROR;
+		}
+	}
+
 	return 1;
 }
 
+
 void PlatEndGameSound(SOUNDINDEX index)
 {
 	fprintf(stderr, "PlatEndGameSound(%d)\n", index);
@@ -92,28 +380,173 @@ void InitialiseBaseFrequency(SOUNDINDEX soundNum)
 
 int LoadWavFile(int soundNum, char * wavFileName)
 {
-	fprintf(stderr, "LoadWavFile(%d, %s)\n", soundNum, wavFileName);
+	ALsizei size, freq, bits;
+	ALenum format;
+	ALvoid *data;
 	
+	fprintf(stderr, "LoadWavFile(%d, %s) - sound\n", soundNum, wavFileName);
+
+	alutLoadWAV (wavFileName, &data, &format, &size, &bits, &freq);
+	alGenBuffers (1, &(GameSounds[soundNum].dsBufferP));
+	alBufferData (GameSounds[soundNum].dsBufferP, format, data, size, freq);
+
+	GameSounds[soundNum].loaded = 1;
+	
+	free (data);
 	return 0;
 }
 
+// In libopenal
+extern void *acLoadWAV (void *data, ALuint *size, void **udata, 
+			ALushort *fmt, ALushort *chan, ALushort *freq);
+			
 unsigned char *ExtractWavFile(int soundIndex, unsigned char *bufferPtr)
 {
+	ALint len, seclen = 0;
+	void *udata;
+	ALushort rfmt, rchan, rfreq, rsize;
+		
 	fprintf(stderr, "ExtractWavFile(%d, %p)\n", soundIndex, bufferPtr);
 
-	return 0;
+	{
+		int slen = strlen (bufferPtr) + 1;
+		GameSounds[soundIndex].wavName = (char *)AllocateMem (slen);
+		strcpy (GameSounds[soundIndex].wavName, bufferPtr);
+		bufferPtr += slen;
+fprintf (stderr, "Loaded %s\n", GameSounds[soundIndex].wavName);
+	}
+	
+	if (acLoadWAV (bufferPtr, (ALuint *) &len, &udata, &rfmt,
+			&rchan, &rfreq) == NULL) {
+		fprintf (stderr, "Unable to convert data\n");
+		return (unsigned char *)0;
+	}
+
+printf("rfmt = %d, rchan = %d, rfreq = %d, len = %d\n", rfmt, rchan, rfreq, len);
+	
+	if ((rfmt == AUDIO_U8)) {
+		if (rchan == 2) {
+			rfmt = AL_FORMAT_STEREO8;
+			seclen = len / (rfreq * 1 * 2);
+		} else if (rchan == 1) {
+			rfmt = AL_FORMAT_MONO8;
+			seclen = len / rfreq;
+		}
+	} else if ((rfmt == AUDIO_S16LSB) || (rfmt == AUDIO_S16MSB)) {
+		if (rchan == 2) {
+			rfmt = AL_FORMAT_STEREO16;
+			seclen = len / (rfreq * 2 * 2);
+		} else if (rchan == 1) {
+			rfmt = AL_FORMAT_MONO16;
+			seclen = len / (rfreq * 2);
+		}
+	} else
+		return (unsigned char *)0;
+	
+	rsize = len;
+	
+	alGenBuffers (1, &(GameSounds[soundIndex].dsBufferP));
+	alBufferData (GameSounds[soundIndex].dsBufferP,
+		      rfmt, udata, rsize, rfreq);
+
+{
+	ALint t, val;
+	alGenSources(1, &t);
+	alSourcei(t, AL_BUFFER, GameSounds[soundIndex].dsBufferP);
+	alSourcePlay(t);
+                do {
+                        sleep(1);
+
+                        alGetSourceiv(t, AL_SOURCE_STATE, &val);
+                } while (val == AL_PLAYING);
+}
+			
+	GameSounds[soundIndex].loaded = 1;
+	GameSounds[soundIndex].flags = SAMPLE_IN_HW;
+	GameSounds[soundIndex].length = (seclen != 0) ? seclen : 1;
+	GameSounds[soundIndex].dsFrequency = rfreq;
+	GameSounds[soundIndex].pitch = PITCH_DEFAULTPLAT;
+	
+	free (udata);
+
+	return (bufferPtr + rsize);
 }
 
 int LoadWavFromFastFile(int soundNum, char * wavFileName)
 {
+	FFILE *fp;
+	unsigned char *buf;
+	unsigned int len = 0;
+	
 	fprintf(stderr, "LoadWavFromFastFile(%d, %s)\n", soundNum, wavFileName);
 
-	return 0;
+	if ((fp = ffopen (wavFileName, "rb")) != NULL) {
+		ffseek (fp, 0, SEEK_END);
+		len = fftell (fp);
+		ffseek (fp, 0, SEEK_SET);
+		buf = (unsigned char *) malloc (len + strlen (wavFileName) + 1);
+		strcpy (buf, wavFileName);
+		ffread (&buf[strlen(wavFileName)+1], len, 1, fp);
+		ffclose (fp);
+		len = (int)ExtractWavFile (soundNum, buf);		
+		free (buf);
+	}
+
+	return len;
 }
 
 void PlatUpdatePlayer()
 {
+	ALfloat vel[3], or[6], pos[3];
 	fprintf(stderr, "PlatUpdatePlayer()\n");
+
+	if (Global_VDB_Ptr) {	
+		extern int NormalFrameTime;
+		extern int DopplerShiftIsOn;
+		
+		if (AvP.PlayerType != I_Alien) {
+			or[0] = (float) ((Global_VDB_Ptr->VDB_Mat.mat13) / 65536.0F);
+			or[1] = 0.0;
+			or[2] = (float) ((Global_VDB_Ptr->VDB_Mat.mat33) / 65536.0F);
+			or[3] = 0.0;
+			or[4] = 1.0;
+			or[5] = 0.0;
+		} else {
+			or[0] = (float) ((Global_VDB_Ptr->VDB_Mat.mat13) / 65536.0F);
+			or[1] = (float) ((Global_VDB_Ptr->VDB_Mat.mat23) / 65536.0F);
+			or[2] = (float) ((Global_VDB_Ptr->VDB_Mat.mat33) / 65536.0F);
+			or[3] = (float) ((Global_VDB_Ptr->VDB_Mat.mat12) / 65536.0F);
+			or[4] = (float) ((Global_VDB_Ptr->VDB_Mat.mat22) / 65536.0F);
+			or[5] = (float) ((Global_VDB_Ptr->VDB_Mat.mat32) / 65536.0F);
+		}
+
+		if (AvP.PlayerType == I_Alien && DopplerShiftIsOn && NormalFrameTime) {
+			DYNAMICSBLOCK *dynPtr = Player->ObStrategyBlock->DynPtr;
+			float invFrameTime = 100000.0f/(float)NormalFrameTime;
+			
+			vel[0] = (float)(dynPtr->Position.vx - dynPtr->PrevPosition.vx) * invFrameTime;
+			vel[1] = (float)(dynPtr->Position.vy - dynPtr->PrevPosition.vy) * invFrameTime;
+			vel[2] = (float)(dynPtr->Position.vz - dynPtr->PrevPosition.vz) * invFrameTime;
+		} else {
+			vel[0] = 0.0;
+			vel[1] = 0.0;
+			vel[2] = 0.0;
+		}
+		
+#if 1
+		{
+			pos[0] = Global_VDB_Ptr->VDB_World.vx;
+			pos[1] = Global_VDB_Ptr->VDB_World.vy;
+			pos[2] = Global_VDB_Ptr->VDB_World.vz;
+		}
+#endif
+	}
+	
+	
+	// fixme: add reverb check
+	alListenerfv (AL_ORIENTATION, or);
+	alListenerfv (AL_VELOCITY, vel);
+	alListenerfv (AL_POSITION, pos);
 }
 
 void PlatSetEnviroment(unsigned int env_index, float reverb_mix)
@@ -125,3 +558,8 @@ void UpdateSoundFrequencies()
 {
 	fprintf(stderr, "UpdateSoundFreqncies()\n");
 }
+
+int PlatChangeSoundPan (int activeIndex, int pan)
+{
+	return 1;
+}