X-Git-Url: https://git.jsancho.org/?a=blobdiff_plain;f=Source%2Fopenal_wrapper.cpp;h=b59706581288660a97125d563f30e6a35c13a47a;hb=ff29f47f799d99cec7c2a6aa2cf818da2b931fc5;hp=b6292ab3233b56993c6e6ca8ee6358c477497ffa;hpb=fe831b45a76f058d17bfef8b5f45d7e563d97089;p=lugaru.git
diff --git a/Source/openal_wrapper.cpp b/Source/openal_wrapper.cpp
index b6292ab..b597065 100644
--- a/Source/openal_wrapper.cpp
+++ b/Source/openal_wrapper.cpp
@@ -1,193 +1,86 @@
/*
Copyright (C) 2003, 2010 - Wolfire Games
+Copyright (C) 2010-2016 - Lugaru contributors (see AUTHORS file)
This file is part of Lugaru.
-Lugaru is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation; either version 2
-of the License, or (at your option) any later version.
+Lugaru is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
-This program is distributed in the hope that it will be useful,
+Lugaru is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-See the GNU General Public License for more details.
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+along with Lugaru. If not, see .
*/
-
-#if USE_OPENAL
-
#include
#include
#include
-#ifdef _MSC_VER
-#include
-#endif
-
-#include "MacCompatibility.h"
-#include "fmod.h"
-
-#include "AL/al.h"
-#include "AL/alc.h"
-
-#include "ogg/ogg.h"
-#include "vorbis/vorbisfile.h"
+#include "Quaternions.h"
+#include "openal_wrapper.h"
+#include "Sounds.h"
+#include "Game.h"
// NOTE:
// FMOD uses a Left Handed Coordinate system, OpenAL uses a Right Handed
// one...so we just need to flip the sign on the Z axis when appropriate.
-
-#define DYNAMIC_LOAD_OPENAL 0
-
-#if DYNAMIC_LOAD_OPENAL
-
-#include
-
-#define AL_FUNC(t,ret,fn,params,call,rt) \
- extern "C" { \
- static ret ALAPIENTRY (*p##fn) params = NULL; \
- ret ALAPIENTRY fn params { rt p##fn call; } \
- }
-#include "alstubs.h"
-#undef AL_FUNC
-
-static void *aldlhandle = NULL;
-
-static bool lookup_alsym(const char *funcname, void **func, const char *libname)
-{
- if (!aldlhandle)
- return false;
-
- *func = dlsym(aldlhandle, funcname);
- if (*func == NULL)
- {
- fprintf(stderr, "Failed to find OpenAL symbol \"%s\" in \"%s\"\n",
- funcname, libname);
- return false;
- }
- return true;
-}
-
-static void unload_alsyms(void)
-{
- #define AL_FUNC(t,ret,fn,params,call,rt) p##fn = NULL;
- #include "alstubs.h"
- #undef AL_FUNC
- if (aldlhandle)
- {
- dlclose(aldlhandle);
- aldlhandle = NULL;
- }
-}
-
-static bool lookup_all_alsyms(const char *libname)
-{
- if (!aldlhandle)
- {
- if ( (aldlhandle = dlopen(libname, RTLD_GLOBAL | RTLD_NOW)) == NULL )
- return false;
- }
-
- bool retval = true;
- #define AL_FUNC(t,ret,fn,params,call,rt) \
- if (!lookup_alsym(#fn, (void **) &p##fn, libname)) retval = false;
- #include "alstubs.h"
- #undef AL_FUNC
-
- if (!retval)
- unload_alsyms();
-
- return retval;
-}
-#else
-#define lookup_all_alsyms(x) (true)
-#define unload_alsyms()
-#endif
-
-
-typedef struct
-{
+typedef struct {
ALuint sid;
- FSOUND_SAMPLE *sample;
+ OPENAL_SAMPLE *sample;
bool startpaused;
float position[3];
} OPENAL_Channels;
-typedef struct FSOUND_SAMPLE
-{
- char *name;
- ALuint bid; // buffer id.
- int mode;
- int is2d;
- float min_distance;
-} FSOUND_SAMPLE;
-
-typedef struct FSOUND_STREAM
-{
+typedef struct OPENAL_SAMPLE {
char *name;
ALuint bid; // buffer id.
int mode;
int is2d;
-} FSOUND_STREAM;
+} OPENAL_SAMPLE;
static size_t num_channels = 0;
-static OPENAL_Channels *channels = NULL;
+static OPENAL_Channels *impl_channels = NULL;
static bool initialized = false;
static float listener_position[3];
-
-static inline bool source_too_close(const int channel)
-{
- const OPENAL_Channels *chan = &channels[channel];
- const float *pos = chan->position;
- const float distance = sqrtf(powf((pos[0] - listener_position[0]), 2.0f) +
- powf((pos[1] - listener_position[1]), 2.0f) +
- powf((pos[2] - listener_position[2]), 2.0f));
- return (distance <= chan->sample->min_distance);
-}
-
-
static void set_channel_position(const int channel, const float x,
const float y, const float z)
{
- OPENAL_Channels *chan = &channels[channel];
+ OPENAL_Channels *chan = &impl_channels[channel];
chan->position[0] = x;
chan->position[1] = y;
chan->position[2] = z;
- FSOUND_SAMPLE *sptr = chan->sample;
+ OPENAL_SAMPLE *sptr = chan->sample;
if (sptr == NULL)
return;
const ALuint sid = chan->sid;
- const bool no_attenuate = ((sptr->is2d) || (source_too_close(channel)));
+ const bool no_attenuate = sptr->is2d;
- if (no_attenuate)
- {
+ if (no_attenuate) {
alSourcei(sid, AL_SOURCE_RELATIVE, AL_TRUE);
alSource3f(sid, AL_POSITION, 0.0f, 0.0f, 0.0f);
- }
- else
- {
+ } else {
alSourcei(sid, AL_SOURCE_RELATIVE, AL_FALSE);
alSource3f(sid, AL_POSITION, x, y, z);
}
}
-void F_API OPENAL_3D_Listener_SetAttributes(const float *pos, const float *vel, float fx, float fy, float fz, float tx, float ty, float tz)
+AL_API void OPENAL_3D_Listener_SetAttributes(const float *pos, const float *vel, float fx, float fy, float fz, float tx, float ty, float tz)
{
- if (!initialized) return;
- if (pos != NULL)
- {
+ if (!initialized)
+ return;
+ if (pos != NULL) {
alListener3f(AL_POSITION, pos[0], pos[1], -pos[2]);
listener_position[0] = pos[0];
listener_position[1] = pos[1];
@@ -200,17 +93,18 @@ void F_API OPENAL_3D_Listener_SetAttributes(const float *pos, const float *vel,
// we ignore velocity, since doppler's broken in the Linux AL at the moment...
// adjust existing positions...
- for (int i = 0; i < num_channels; i++)
- {
- const float *p = channels[i].position;
+ for (int i = 0; i < num_channels; i++) {
+ const float *p = impl_channels[i].position;
set_channel_position(i, p[0], p[1], p[2]);
}
}
-signed char F_API OPENAL_3D_SetAttributes(int channel, const float *pos, const float *vel)
+AL_API signed char OPENAL_3D_SetAttributes(int channel, const float *pos, const float *vel)
{
- if (!initialized) return false;
- if ((channel < 0) || (channel >= num_channels)) return false;
+ if (!initialized)
+ return false;
+ if ((channel < 0) || (channel >= num_channels))
+ return false;
if (pos != NULL)
set_channel_position(channel, pos[0], pos[1], -pos[2]);
@@ -220,37 +114,35 @@ signed char F_API OPENAL_3D_SetAttributes(int channel, const float *pos, const f
return true;
}
-void F_API OPENAL_3D_SetDopplerFactor(float scale)
+AL_API signed char OPENAL_3D_SetAttributes_(int channel, const XYZ &pos, const float *vel)
{
- if (!initialized) return;
- // unimplemented...looks like init routines just call this with scale == 0.0f anyhow.
+ if (!initialized)
+ return false;
+ if ((channel < 0) || (channel >= num_channels))
+ return false;
+
+ set_channel_position(channel, pos.x, pos.y, -pos.z);
+
+ return true;
}
-signed char F_API OPENAL_Init(int mixrate, int maxsoftwarechannels, unsigned int flags)
+AL_API signed char OPENAL_Init(int mixrate, int maxsoftwarechannels, unsigned int flags)
{
- if (initialized) return false;
- if (maxsoftwarechannels == 0) return false;
+ if (initialized)
+ return false;
+ if (maxsoftwarechannels == 0)
+ return false;
if (flags != 0) // unsupported.
return false;
- if (!lookup_all_alsyms("./openal.so")) // !!! FIXME: linux specific lib name
- {
- if (!lookup_all_alsyms("openal.so.1")) // !!! FIXME: linux specific lib name
- {
- if (!lookup_all_alsyms("openal.so")) // !!! FIXME: linux specific lib name
- return false;
- }
- }
-
ALCdevice *dev = alcOpenDevice(NULL);
if (!dev)
return false;
ALint caps[] = { ALC_FREQUENCY, mixrate, 0 };
ALCcontext *ctx = alcCreateContext(dev, caps);
- if (!ctx)
- {
+ if (!ctx) {
alcCloseDevice(dev);
return false;
}
@@ -258,9 +150,7 @@ signed char F_API OPENAL_Init(int mixrate, int maxsoftwarechannels, unsigned int
alcMakeContextCurrent(ctx);
alcProcessContext(ctx);
- bool cmdline(const char *cmd);
- if (cmdline("openalinfo"))
- {
+ if (commandLineOptions[OPENALINFO]) {
printf("AL_VENDOR: %s\n", (char *) alGetString(AL_VENDOR));
printf("AL_RENDERER: %s\n", (char *) alGetString(AL_RENDERER));
printf("AL_VERSION: %s\n", (char *) alGetString(AL_VERSION));
@@ -268,27 +158,26 @@ signed char F_API OPENAL_Init(int mixrate, int maxsoftwarechannels, unsigned int
}
num_channels = maxsoftwarechannels;
- channels = new OPENAL_Channels[maxsoftwarechannels];
- memset(channels, '\0', sizeof (OPENAL_Channels) * num_channels);
+ impl_channels = new OPENAL_Channels[maxsoftwarechannels];
+ memset(impl_channels, '\0', sizeof (OPENAL_Channels) * num_channels);
for (int i = 0; i < num_channels; i++)
- alGenSources(1, &channels[i].sid); // !!! FIXME: verify this didn't fail!
+ alGenSources(1, &impl_channels[i].sid); // !!! FIXME: verify this didn't fail!
initialized = true;
return true;
}
-void F_API OPENAL_Close()
+AL_API void OPENAL_Close()
{
- if (!initialized) return;
+ if (!initialized)
+ return;
ALCcontext *ctx = alcGetCurrentContext();
- if (ctx)
- {
- for (int i = 0; i < num_channels; i++)
- {
- alSourceStop(channels[i].sid);
- alSourcei(channels[i].sid, AL_BUFFER, 0);
- alDeleteSources(1, &channels[i].sid);
+ if (ctx) {
+ for (int i = 0; i < num_channels; i++) {
+ alSourceStop(impl_channels[i].sid);
+ alSourcei(impl_channels[i].sid, AL_BUFFER, 0);
+ alDeleteSources(1, &impl_channels[i].sid);
}
ALCdevice *dev = alcGetContextsDevice(ctx);
alcMakeContextCurrent(NULL);
@@ -298,81 +187,89 @@ void F_API OPENAL_Close()
}
num_channels = 0;
- delete[] channels;
- channels = NULL;
+ delete[] impl_channels;
+ impl_channels = NULL;
- unload_alsyms();
initialized = false;
}
-FSOUND_SAMPLE *F_API OPENAL_GetCurrentSample(int channel)
+static OPENAL_SAMPLE *OPENAL_GetCurrentSample(int channel)
{
- if (!initialized) return NULL;
- if ((channel < 0) || (channel >= num_channels)) return NULL;
- return channels[channel].sample;
+ if (!initialized)
+ return NULL;
+ if ((channel < 0) || (channel >= num_channels))
+ return NULL;
+ return impl_channels[channel].sample;
}
-signed char F_API OPENAL_GetPaused(int channel)
+static signed char OPENAL_GetPaused(int channel)
{
- if (!initialized) return false;
- if ((channel < 0) || (channel >= num_channels)) return false;
- if (channels[channel].startpaused)
+ if (!initialized)
+ return false;
+ if ((channel < 0) || (channel >= num_channels))
+ return false;
+ if (impl_channels[channel].startpaused)
return(true);
ALint state = 0;
- alGetSourceiv(channels[channel].sid, AL_SOURCE_STATE, &state);
+ alGetSourceiv(impl_channels[channel].sid, AL_SOURCE_STATE, &state);
return((state == AL_PAUSED) ? true : false);
}
-unsigned int F_API OPENAL_GetLoopMode(int channel)
+static unsigned int OPENAL_GetLoopMode(int channel)
{
- if (!initialized) return 0;
- if ((channel < 0) || (channel >= num_channels)) return 0;
+ if (!initialized)
+ return 0;
+ if ((channel < 0) || (channel >= num_channels))
+ return 0;
ALint loop = 0;
- alGetSourceiv(channels[channel].sid, AL_LOOPING, &loop);
+ alGetSourceiv(impl_channels[channel].sid, AL_LOOPING, &loop);
if (loop)
- return(FSOUND_LOOP_NORMAL);
- return FSOUND_LOOP_OFF;
+ return(OPENAL_LOOP_NORMAL);
+ return OPENAL_LOOP_OFF;
}
-signed char F_API OPENAL_IsPlaying(int channel)
+static signed char OPENAL_IsPlaying(int channel)
{
- if (!initialized) return false;
- if ((channel < 0) || (channel >= num_channels)) return false;
+ if (!initialized)
+ return false;
+ if ((channel < 0) || (channel >= num_channels))
+ return false;
ALint state = 0;
- alGetSourceiv(channels[channel].sid, AL_SOURCE_STATE, &state);
+ alGetSourceiv(impl_channels[channel].sid, AL_SOURCE_STATE, &state);
return((state == AL_PLAYING) ? true : false);
}
-int F_API OPENAL_PlaySoundEx(int channel, FSOUND_SAMPLE *sptr, FSOUND_DSPUNIT *dsp, signed char startpaused)
+static int OPENAL_PlaySoundEx(int channel, OPENAL_SAMPLE *sptr, OPENAL_DSPUNIT *dsp, signed char startpaused)
{
- if (!initialized) return -1;
- if (sptr == NULL) return -1;
- if (dsp != NULL) return -1;
- if (channel == FSOUND_FREE)
- {
- for (int i = 0; i < num_channels; i++)
- {
+ if (!initialized)
+ return -1;
+ if (sptr == NULL)
+ return -1;
+ if (dsp != NULL)
+ return -1;
+ if (channel == OPENAL_FREE) {
+ for (int i = 0; i < num_channels; i++) {
ALint state = 0;
- alGetSourceiv(channels[i].sid, AL_SOURCE_STATE, &state);
- if ((state != AL_PLAYING) && (state != AL_PAUSED))
- {
+ alGetSourceiv(impl_channels[i].sid, AL_SOURCE_STATE, &state);
+ if ((state != AL_PLAYING) && (state != AL_PAUSED)) {
channel = i;
break;
}
}
}
- if ((channel < 0) || (channel >= num_channels)) return -1;
- alSourceStop(channels[channel].sid);
- channels[channel].sample = sptr;
- alSourcei(channels[channel].sid, AL_BUFFER, sptr->bid);
- alSourcei(channels[channel].sid, AL_LOOPING, (sptr->mode == FSOUND_LOOP_OFF) ? AL_FALSE : AL_TRUE);
+ if ((channel < 0) || (channel >= num_channels))
+ return -1;
+ alSourceStop(impl_channels[channel].sid);
+ impl_channels[channel].sample = sptr;
+ alSourcei(impl_channels[channel].sid, AL_BUFFER, sptr->bid);
+ alSourcei(impl_channels[channel].sid, AL_LOOPING, (sptr->mode == OPENAL_LOOP_OFF) ? AL_FALSE : AL_TRUE);
set_channel_position(channel, 0.0f, 0.0f, 0.0f);
- channels[channel].startpaused = ((startpaused) ? true : false);
+ impl_channels[channel].startpaused = ((startpaused) ? true : false);
if (!startpaused)
- alSourcePlay(channels[channel].sid);
+ alSourcePlay(impl_channels[channel].sid);
return channel;
}
@@ -389,21 +286,21 @@ static void *decode_to_pcm(const char *_fname, ALenum &format, ALsizei &size, AL
char *fname = (char *) alloca(strlen(_fname) + 16);
strcpy(fname, _fname);
char *ptr = strchr(fname, '.');
- if (ptr) *ptr = NULL;
+ if (ptr)
+ *ptr = '\0';
strcat(fname, ".ogg");
// just in case...
- #undef fopen
+#undef fopen
FILE *io = fopen(fname, "rb");
if (io == NULL)
return NULL;
ALubyte *retval = NULL;
- #if 0 // untested, so disable this!
+#if 0 // untested, so disable this!
// Can we just feed it to the AL compressed?
- if (alIsExtensionPresent((const ALubyte *) "AL_EXT_vorbis"))
- {
+ if (alIsExtensionPresent((const ALubyte *) "AL_EXT_vorbis")) {
format = alGetEnumValue((const ALubyte *) "AL_FORMAT_VORBIS_EXT");
freq = 44100;
fseek(io, 0, SEEK_END);
@@ -412,28 +309,25 @@ static void *decode_to_pcm(const char *_fname, ALenum &format, ALsizei &size, AL
retval = (ALubyte *) malloc(size);
size_t rc = fread(retval, size, 1, io);
fclose(io);
- if (rc != 1)
- {
+ if (rc != 1) {
free(retval);
return NULL;
}
return retval;
}
- #endif
+#endif
// Uncompress and feed to the AL.
OggVorbis_File vf;
memset(&vf, '\0', sizeof (vf));
- if (ov_open(io, &vf, NULL, 0) == 0)
- {
+ if (ov_open(io, &vf, NULL, 0) == 0) {
int bitstream = 0;
vorbis_info *info = ov_info(&vf, -1);
size = 0;
format = (info->channels == 1) ? AL_FORMAT_MONO16 : AL_FORMAT_STEREO16;
freq = info->rate;
- if ((info->channels != 1) && (info->channels != 2))
- {
+ if ((info->channels != 1) && (info->channels != 2)) {
ov_clear(&vf);
return NULL;
}
@@ -442,17 +336,13 @@ static void *decode_to_pcm(const char *_fname, ALenum &format, ALsizei &size, AL
long rc = 0;
size_t allocated = 64 * 1024;
retval = (ALubyte *) malloc(allocated);
- while ( (rc = ov_read(&vf, buf, sizeof (buf), bigendian, 2, 1, &bitstream)) != 0 )
- {
- if (rc > 0)
- {
+ while ( (rc = ov_read(&vf, buf, sizeof (buf), bigendian, 2, 1, &bitstream)) != 0 ) {
+ if (rc > 0) {
size += rc;
- if (size >= allocated)
- {
+ if (size >= allocated) {
allocated *= 2;
ALubyte *tmp = (ALubyte *) realloc(retval, allocated);
- if (tmp == NULL)
- {
+ if (tmp == NULL) {
free(retval);
retval = NULL;
break;
@@ -471,16 +361,20 @@ static void *decode_to_pcm(const char *_fname, ALenum &format, ALsizei &size, AL
}
-FSOUND_SAMPLE * F_API OPENAL_Sample_Load(int index, const char *name_or_data, unsigned int mode, int offset, int length)
+AL_API OPENAL_SAMPLE *OPENAL_Sample_Load(int index, const char *name_or_data, unsigned int mode, int offset, int length)
{
- if (!initialized) return NULL;
- if (index != FSOUND_FREE) return NULL; // this is all the game does...
- if (offset != 0) return NULL; // this is all the game does...
- if (length != 0) return NULL; // this is all the game does...
- if ((mode != FSOUND_HW3D) && (mode != FSOUND_2D)) return NULL; // this is all the game does...
-
- FSOUND_SAMPLE *retval = NULL;
- ALuint bufferName = 0;
+ if (!initialized)
+ return NULL;
+ if (index != OPENAL_FREE)
+ return NULL; // this is all the game does...
+ if (offset != 0)
+ return NULL; // this is all the game does...
+ if (length != 0)
+ return NULL; // this is all the game does...
+ if ((mode != OPENAL_HW3D) && (mode != OPENAL_2D))
+ return NULL; // this is all the game does...
+
+ OPENAL_SAMPLE *retval = NULL;
ALenum format = AL_NONE;
ALsizei size = 0;
ALuint frequency = 0;
@@ -491,13 +385,12 @@ FSOUND_SAMPLE * F_API OPENAL_Sample_Load(int index, const char *name_or_data, un
ALuint bid = 0;
alGetError();
alGenBuffers(1, &bid);
- if (alGetError() == AL_NO_ERROR)
- {
+ if (alGetError() == AL_NO_ERROR) {
alBufferData(bid, format, data, size, frequency);
- retval = new FSOUND_SAMPLE;
+ retval = new OPENAL_SAMPLE;
retval->bid = bid;
- retval->mode = FSOUND_LOOP_OFF;
- retval->is2d = (mode == FSOUND_2D);
+ retval->mode = OPENAL_LOOP_OFF;
+ retval->is2d = (mode == OPENAL_2D);
retval->name = new char[strlen(name_or_data) + 1];
if (retval->name)
strcpy(retval->name, name_or_data);
@@ -507,18 +400,16 @@ FSOUND_SAMPLE * F_API OPENAL_Sample_Load(int index, const char *name_or_data, un
return(retval);
}
-void F_API OPENAL_Sample_Free(FSOUND_SAMPLE *sptr)
+AL_API void OPENAL_Sample_Free(OPENAL_SAMPLE *sptr)
{
- if (!initialized) return;
- if (sptr)
- {
- for (int i = 0; i < num_channels; i++)
- {
- if (channels[i].sample == sptr)
- {
- alSourceStop(channels[i].sid);
- alSourcei(channels[i].sid, AL_BUFFER, 0);
- channels[i].sample = NULL;
+ if (!initialized)
+ return;
+ if (sptr) {
+ for (int i = 0; i < num_channels; i++) {
+ if (impl_channels[i].sample == sptr) {
+ alSourceStop(impl_channels[i].sid);
+ alSourcei(impl_channels[i].sid, AL_BUFFER, 0);
+ impl_channels[i].sample = NULL;
}
}
alDeleteBuffers(1, &sptr->bid);
@@ -527,177 +418,196 @@ void F_API OPENAL_Sample_Free(FSOUND_SAMPLE *sptr)
}
}
-signed char F_API OPENAL_Sample_SetMode(FSOUND_SAMPLE *sptr, unsigned int mode)
+static signed char OPENAL_Sample_SetMode(OPENAL_SAMPLE *sptr, unsigned int mode)
{
- if (!initialized) return false;
- if ((mode != FSOUND_LOOP_NORMAL) && (mode != FSOUND_LOOP_OFF)) return false;
- if (!sptr) return false;
+ if (!initialized)
+ return false;
+ if ((mode != OPENAL_LOOP_NORMAL) && (mode != OPENAL_LOOP_OFF))
+ return false;
+ if (!sptr)
+ return false;
sptr->mode = mode;
return true;
}
-signed char F_API OPENAL_Sample_SetMinMaxDistance(FSOUND_SAMPLE *sptr, float mindist, float maxdist)
+AL_API signed char OPENAL_SetFrequency(int channel, int freq)
{
- if (!initialized) return false;
- if (sptr == NULL) return false;
- sptr->min_distance = mindist;
- // we ignore maxdist. It's not really important to this game, and the
- // FMOD docs suggest that it's worthless anyhow.
-
- // recalc sources to see if we need to adjust attenuation.
- for (int i = 0; i < num_channels; i++)
- {
- if (channels[i].sample == sptr)
- {
- const float *p = channels[i].position;
- set_channel_position(i, p[0], p[1], p[2]);
- }
- }
-
- return 0;
-}
-
-signed char F_API OPENAL_SetFrequency(int channel, int freq)
-{
- if (!initialized) return false;
- if (channel == FSOUND_ALL)
- {
+ if (!initialized)
+ return false;
+ if (channel == OPENAL_ALL) {
for (int i = 0; i < num_channels; i++)
OPENAL_SetFrequency(i, freq);
return true;
}
- if ((channel < 0) || (channel >= num_channels)) return false;
- if (freq == 8012) // hack
- alSourcef(channels[channel].sid, AL_PITCH, 8012.0f / 44100.0f);
+ if ((channel < 0) || (channel >= num_channels))
+ return false;
+ if (freq == 8012)
+ // hack
+ alSourcef(impl_channels[channel].sid, AL_PITCH, 8012.0f / 44100.0f);
else
- alSourcef(channels[channel].sid, AL_PITCH, 1.0f);
+ alSourcef(impl_channels[channel].sid, AL_PITCH, 1.0f);
return true;
}
-signed char F_API OPENAL_SetVolume(int channel, int vol)
+AL_API signed char OPENAL_SetVolume(int channel, int vol)
{
- if (!initialized) return false;
+ if (!initialized)
+ return false;
- if (channel == FSOUND_ALL)
- {
+ if (channel == OPENAL_ALL) {
for (int i = 0; i < num_channels; i++)
OPENAL_SetVolume(i, vol);
return true;
}
- if ((channel < 0) || (channel >= num_channels)) return false;
+ if ((channel < 0) || (channel >= num_channels))
+ return false;
- if (vol < 0) vol = 0;
- else if (vol > 255) vol = 255;
+ if (vol < 0)
+ vol = 0;
+ else if (vol > 255)
+ vol = 255;
ALfloat gain = ((ALfloat) vol) / 255.0f;
- alSourcef(channels[channel].sid, AL_GAIN, gain);
+ alSourcef(impl_channels[channel].sid, AL_GAIN, gain);
return true;
}
-signed char F_API OPENAL_SetPaused(int channel, signed char paused)
+AL_API signed char OPENAL_SetPaused(int channel, signed char paused)
{
- if (!initialized) return false;
+ if (!initialized)
+ return false;
- if (channel == FSOUND_ALL)
- {
+ if (channel == OPENAL_ALL) {
for (int i = 0; i < num_channels; i++)
OPENAL_SetPaused(i, paused);
return true;
}
- if ((channel < 0) || (channel >= num_channels)) return false;
+ if ((channel < 0) || (channel >= num_channels))
+ return false;
ALint state = 0;
- if (channels[channel].startpaused)
+ if (impl_channels[channel].startpaused)
state = AL_PAUSED;
else
- alGetSourceiv(channels[channel].sid, AL_SOURCE_STATE, &state);
+ alGetSourceiv(impl_channels[channel].sid, AL_SOURCE_STATE, &state);
if ((paused) && (state == AL_PLAYING))
- alSourcePause(channels[channel].sid);
- else if ((!paused) && (state == AL_PAUSED))
- {
- alSourcePlay(channels[channel].sid);
- channels[channel].startpaused = false;
+ alSourcePause(impl_channels[channel].sid);
+ else if ((!paused) && (state == AL_PAUSED)) {
+ alSourcePlay(impl_channels[channel].sid);
+ impl_channels[channel].startpaused = false;
}
return true;
}
-void F_API OPENAL_SetSFXMasterVolume(int volume)
+AL_API void OPENAL_SetSFXMasterVolume(int volume)
{
- if (!initialized) return;
+ if (!initialized)
+ return;
ALfloat gain = ((ALfloat) volume) / 255.0f;
alListenerf(AL_GAIN, gain);
}
-signed char F_API OPENAL_StopSound(int channel)
+AL_API signed char OPENAL_StopSound(int channel)
{
- if (!initialized) return false;
+ if (!initialized)
+ return false;
- if (channel == FSOUND_ALL)
- {
+ if (channel == OPENAL_ALL) {
for (int i = 0; i < num_channels; i++)
OPENAL_StopSound(i);
return true;
}
- if ((channel < 0) || (channel >= num_channels)) return false;
- alSourceStop(channels[channel].sid);
- channels[channel].startpaused = false;
+ if ((channel < 0) || (channel >= num_channels))
+ return false;
+ alSourceStop(impl_channels[channel].sid);
+ impl_channels[channel].startpaused = false;
return true;
}
-FSOUND_STREAM * F_API OPENAL_Stream_Open(const char *name_or_data, unsigned int mode, int offset, int length)
-{
- return (FSOUND_STREAM *) OPENAL_Sample_Load(FSOUND_FREE, name_or_data, mode, offset, length);
-}
-
-signed char F_API OPENAL_Stream_Close(FSOUND_STREAM *stream)
-{
- OPENAL_Sample_Free((FSOUND_SAMPLE *) stream);
-}
-
-FSOUND_SAMPLE * F_API OPENAL_Stream_GetSample(FSOUND_STREAM *stream)
+static OPENAL_SAMPLE *OPENAL_Stream_GetSample(OPENAL_STREAM *stream)
{
- if (!initialized) return NULL;
- return (FSOUND_SAMPLE *) stream;
+ if (!initialized)
+ return NULL;
+ return (OPENAL_SAMPLE *) stream;
}
-int F_API OPENAL_Stream_PlayEx(int channel, FSOUND_STREAM *stream, FSOUND_DSPUNIT *dsp, signed char startpaused)
+static int OPENAL_Stream_PlayEx(int channel, OPENAL_STREAM *stream, OPENAL_DSPUNIT *dsp, signed char startpaused)
{
- return OPENAL_PlaySoundEx(channel, (FSOUND_SAMPLE *) stream, dsp, startpaused);
+ return OPENAL_PlaySoundEx(channel, (OPENAL_SAMPLE *) stream, dsp, startpaused);
}
-signed char F_API OPENAL_Stream_Stop(FSOUND_STREAM *stream)
+static signed char OPENAL_Stream_Stop(OPENAL_STREAM *stream)
{
- if (!initialized) return false;
- for (int i = 0; i < num_channels; i++)
- {
- if (channels[i].sample == (FSOUND_SAMPLE *) stream)
- {
- alSourceStop(channels[i].sid);
- channels[i].startpaused = false;
+ if (!initialized)
+ return false;
+ for (int i = 0; i < num_channels; i++) {
+ if (impl_channels[i].sample == (OPENAL_SAMPLE *) stream) {
+ alSourceStop(impl_channels[i].sid);
+ impl_channels[i].startpaused = false;
}
}
return true;
}
-signed char F_API OPENAL_Stream_SetMode(FSOUND_STREAM *stream, unsigned int mode)
+AL_API signed char OPENAL_Stream_SetMode(OPENAL_STREAM *stream, unsigned int mode)
{
- return OPENAL_Sample_SetMode((FSOUND_SAMPLE *) stream, mode);
+ return OPENAL_Sample_SetMode((OPENAL_SAMPLE *) stream, mode);
}
-void F_API OPENAL_Update()
+AL_API void OPENAL_Update()
{
- if (!initialized) return;
+ if (!initialized)
+ return;
alcProcessContext(alcGetCurrentContext());
}
-signed char F_API OPENAL_SetOutput(int outputtype)
+AL_API signed char OPENAL_SetOutput(int outputtype)
{
return true;
}
-#endif
+extern int channels[];
+
+extern "C" void PlaySoundEx(int chan, OPENAL_SAMPLE *sptr, OPENAL_DSPUNIT *dsp, signed char startpaused)
+{
+ const OPENAL_SAMPLE * currSample = OPENAL_GetCurrentSample(channels[chan]);
+ if (currSample && currSample == samp[chan]) {
+ if (OPENAL_GetPaused(channels[chan])) {
+ OPENAL_StopSound(channels[chan]);
+ channels[chan] = OPENAL_FREE;
+ } else if (OPENAL_IsPlaying(channels[chan])) {
+ int loop_mode = OPENAL_GetLoopMode(channels[chan]);
+ if (loop_mode & OPENAL_LOOP_OFF) {
+ channels[chan] = OPENAL_FREE;
+ }
+ }
+ } else {
+ channels[chan] = OPENAL_FREE;
+ }
+ channels[chan] = OPENAL_PlaySoundEx(channels[chan], sptr, dsp, startpaused);
+ if (channels[chan] < 0) {
+ channels[chan] = OPENAL_PlaySoundEx(OPENAL_FREE, sptr, dsp, startpaused);
+ }
+}
+
+extern "C" void PlayStreamEx(int chan, OPENAL_STREAM *sptr, OPENAL_DSPUNIT *dsp, signed char startpaused)
+{
+ const OPENAL_SAMPLE * currSample = OPENAL_GetCurrentSample(channels[chan]);
+ if (currSample && currSample == OPENAL_Stream_GetSample(sptr)) {
+ OPENAL_StopSound(channels[chan]);
+ OPENAL_Stream_Stop(sptr);
+ } else {
+ OPENAL_Stream_Stop(sptr);
+ channels[chan] = OPENAL_FREE;
+ }
+
+ channels[chan] = OPENAL_Stream_PlayEx(channels[chan], sptr, dsp, startpaused);
+ if (channels[chan] < 0) {
+ channels[chan] = OPENAL_Stream_PlayEx(OPENAL_FREE, sptr, dsp, startpaused);
+ }
+}