/*
Copyright (C) 2003, 2010 - Wolfire Games
+Copyright (C) 2010-2016 - Lugaru contributors (see AUTHORS file)
This file is part of Lugaru.
#include "Quaternions.h"
#include "openal_wrapper.h"
#include "Sounds.h"
+#include "Game.h"
+
+extern float slomofreq;
// 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 <dlfcn.h>
-
-#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 {
ALuint sid;
OPENAL_SAMPLE *sample;
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;
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));
delete[] impl_channels;
impl_channels = NULL;
- unload_alsyms();
initialized = false;
}
strcat(fname, ".ogg");
// just in case...
-#undef fopen
FILE *io = fopen(fname, "rb");
if (io == NULL)
return NULL;
return NULL; // this is all the game does...
OPENAL_SAMPLE *retval = NULL;
- ALuint bufferName = 0;
ALenum format = AL_NONE;
ALsizei size = 0;
ALuint frequency = 0;
return true;
}
-AL_API signed char OPENAL_SetFrequency(int channel, int freq)
+AL_API signed char OPENAL_SetFrequency(int channel, bool slomo)
{
if (!initialized)
return false;
if (channel == OPENAL_ALL) {
for (int i = 0; i < num_channels; i++)
- OPENAL_SetFrequency(i, freq);
+ OPENAL_SetFrequency(i, slomo);
return true;
}
if ((channel < 0) || (channel >= num_channels))
return false;
- if (freq == 8012)
- // hack
- alSourcef(impl_channels[channel].sid, AL_PITCH, 8012.0f / 44100.0f);
+ if (slomo)
+ alSourcef(impl_channels[channel].sid, AL_PITCH, ((ALfloat) slomofreq) / 44100.0f);
else
alSourcef(impl_channels[channel].sid, AL_PITCH, 1.0f);
return true;
return true;
}
-AL_API void OPENAL_Stream_Close(OPENAL_STREAM *stream)
-{
- OPENAL_Sample_Free((OPENAL_SAMPLE *) stream);
-}
-
static OPENAL_SAMPLE *OPENAL_Stream_GetSample(OPENAL_STREAM *stream)
{
if (!initialized)