openalbridge/openalbridge.c
author koda
Fri, 02 Oct 2009 18:44:37 +0000
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/*
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 * OpenAL Bridge - a simple portable library for OpenAL interface
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 * Copyright (c) 2009 Vittorio Giovara <vittorio.giovara@gmail.com>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU Lesser General Public License as published by
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 * the Free Software Foundation; version 2 of the License
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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 */
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#include "openalbridge.h"
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#include "wrappers.h"
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#include "alc.h"
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#include "loaders.h"
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#include "endianness.h"
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#ifdef __CPLUSPLUS
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extern "C" {
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#endif 
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    /*Sources are points emitting sound*/
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    ALuint *Sources;
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    /*Buffers hold sound data*/
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    ALuint *Buffers;
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    /*index for Sources and Buffers*/
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    ALuint globalindex, globalsize, increment;
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    ALboolean openalReady = AL_FALSE;
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    ALboolean openal_close (void) {
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        /*Stop all sounds, deallocate all memory and close OpenAL */
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        ALCcontext *context;
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        ALCdevice  *device;
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        if(openalReady == AL_FALSE) {
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            fprintf(stderr, "ERROR: OpenAL not initialized\n");
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            return AL_FALSE;
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        }
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        alSourceStopv	(globalsize, Sources);
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        alDeleteSources (globalsize, Sources);
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        alDeleteBuffers (globalsize, Buffers);
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        free(Sources);
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        free(Buffers);
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        context = alcGetCurrentContext();
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        device  = alcGetContextsDevice(context);
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        alcMakeContextCurrent(NULL);
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        alcDestroyContext(context);
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        alcCloseDevice(device);
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        openalReady = AL_FALSE;
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        return AL_TRUE;
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    }
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    ALboolean openal_ready(void) {
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        return openalReady;
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    }
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    ALboolean openal_init(uint32_t usehardware, uint32_t memorysize) {	
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        /*Initialize an OpenAL contex and allocate memory space for data and buffers*/
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        ALCcontext *context;
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        ALCdevice *device;
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        const ALCchar *default_device;
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        /*Position of the listener*/
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        ALfloat ListenerPos[] = { 0.0, 0.0, 0.0 };
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        /*Velocity of the listener*/
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        ALfloat ListenerVel[] = { 0.0, 0.0, 0.0 };
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        /*Orientation of the listener. (first 3 elements are "at", second 3 are "up")*/
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        ALfloat ListenerOri[] = { 0.0, 0.0, -1.0,  0.0, 1.0, 0.0 };
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        if(openalReady == AL_TRUE) {
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            fprintf(stderr, "ERROR: OpenAL already initialized\n");
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            return AL_FALSE;
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        }
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		if(usehardware)
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		{
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			if ((device = alcOpenDevice(NULL)) == NULL) {
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				fprintf(stderr, "ERROR: Failed to open sound device\n");
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				return AL_FALSE;
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			}
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		}
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		else
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		{
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			if ((device = alcOpenDevice("Generic Software")) == NULL) {
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				fprintf(stderr, "ERROR: Failed to open sound device\n");
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				return AL_FALSE;
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			}
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		}
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		fprintf(stderr, "Using default device: %s\n", alcGetString(device, ALC_DEVICE_SPECIFIER));
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        context = alcCreateContext(device, NULL);
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        alcMakeContextCurrent(context);
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        alcProcessContext(context);
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        if (AlGetError("ERROR %d: Creating a new contex\n") != AL_TRUE)
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            return AL_FALSE;
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        /*allocate memory space for buffers and sources*/
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	if (memorysize == 0)
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	    globalsize = 50;
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	else
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	    globalsize = memorysize;
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        increment  = globalsize;
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        Buffers = (ALuint*) Malloc(sizeof(ALuint)*globalsize);
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        Sources = (ALuint*) Malloc(sizeof(ALuint)*globalsize);
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        /*set the listener gain, position (on xyz axes), velocity (one value for each axe) and orientation*/
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        alListenerf (AL_GAIN,        1.0f       );
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        alListenerfv(AL_POSITION,    ListenerPos);
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        alListenerfv(AL_VELOCITY,    ListenerVel);
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        alListenerfv(AL_ORIENTATION, ListenerOri);
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        if (AlGetError("ERROR %d: Setting Listener properties\n") != AL_TRUE)
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            return AL_FALSE;
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        openalReady = AL_TRUE;
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        alGetError();  /* clear any AL errors beforehand */
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        return AL_TRUE;
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    }
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    ALboolean helper_realloc (void) {
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        /*expands allocated memory when loading more sound files than expected*/
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        int oldsize = globalsize;
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        globalsize += increment;
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#ifdef DEBUG
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        fprintf(stderr, "OpenAL: Realloc in process from %d to %d\n", oldsize, globalsize);
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#endif
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        Buffers = (ALuint*) Realloc(Buffers, sizeof(ALuint)*globalsize);
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        Sources = (ALuint*) Realloc(Sources, sizeof(ALuint)*globalsize);
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        return AL_TRUE;
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    }
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    ALint openal_loadfile (const char *filename){
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        /*Open a file, load into memory and allocate the Source buffer for playing*/
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        ALfloat SourcePos[] = { 0.0, 0.0, 0.0 }; /*Position of the source sound*/
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        ALfloat SourceVel[] = { 0.0, 0.0, 0.0 }; /*Velocity of the source sound*/
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        ALenum format;
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        ALsizei bitsize, freq;
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        char *data;
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        uint32_t fileformat;
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        ALenum error;
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        FILE *fp;
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        if(openalReady == AL_FALSE) {
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            fprintf(stderr, "ERROR: OpenAL not initialized\n");
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            return AL_FALSE;
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        }
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   168
        
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        /*when the buffers are all used, we can expand memory to accept new files*/
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        if (globalindex == globalsize)
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            helper_realloc();
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   172
        
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        /*detect the file format, as written in the first 4 bytes of the header*/
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        fp = Fopen (filename, "rb");
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   175
        if (fp == NULL)
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   176
            return -1;
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   177
        error = fread (&fileformat, sizeof(uint32_t), 1, fp);
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        fclose (fp);
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   179
        
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        if (error < 0) {
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   181
            fprintf(stderr, "ERROR: file %s is too short \n", filename);
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            return -2;
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   183
        }
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   184
        
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   185
        /*prepare the buffer to receive data*/
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        alGenBuffers(1, &Buffers[globalindex]);
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   187
        
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        if (AlGetError("ERROR %d: Allocating memory for buffers\n") != AL_TRUE)
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            return -3;
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   190
        
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   191
        /*prepare the source to emit sound*/
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        alGenSources(1, &Sources[globalindex]);
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   193
        
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        if (AlGetError("ERROR %d: Allocating memory for sources\n") != AL_TRUE)
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   195
            return -4;
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   196
        
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   197
        
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   198
        if (fileformat == 0x5367674F) /*check if ogg*/
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   199
            error = load_oggvorbis (filename, &format, &data, &bitsize, &freq);
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   200
        else {
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   201
            if (fileformat == 0x46464952) /*check if wav*/
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   202
                error = load_wavpcm (filename, &format, &data, &bitsize, &freq);
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   203
            else {
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   204
                fprintf(stderr, "ERROR: File format (%08X) not supported!\n", invert_endianness(fileformat));
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                return -5;
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   206
            }
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   207
        }
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   208
        
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   209
        /*copy pcm data in one buffer*/
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   210
        alBufferData(Buffers[globalindex], format, data, bitsize, freq);
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   211
        free(data);		/*deallocate data to save memory*/
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   212
        
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   213
        if (AlGetError("ERROR %d: Writing data to buffer\n") != AL_TRUE)
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   214
            return -6;
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   215
        
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   216
        /*set source properties that it will use when it's in playback*/
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   217
        alSourcei (Sources[globalindex], AL_BUFFER,   Buffers[globalindex]  );
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        alSourcef (Sources[globalindex], AL_PITCH,    1.0f                  );
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   219
        alSourcef (Sources[globalindex], AL_GAIN,     1.0f                  );
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   220
        alSourcefv(Sources[globalindex], AL_POSITION, SourcePos             );
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   221
        alSourcefv(Sources[globalindex], AL_VELOCITY, SourceVel             );
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   222
        alSourcei (Sources[globalindex], AL_LOOPING,  0                     );
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   223
        
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   224
        if (AlGetError("ERROR %d: Setting source properties\n") != AL_TRUE)
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   225
            return -7;
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   226
        
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   227
        alGetError();  /* clear any AL errors beforehand */
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   228
        
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   229
        /*returns the index of the source you just loaded, increments it and exits*/
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   230
        return globalindex++;
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   231
    }
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   232
    
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   233
    
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   234
    ALboolean openal_toggleloop (uint32_t index){
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   235
        /*Set or unset looping mode*/
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   236
        ALint loop;
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   237
        
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   238
        if(openalReady == AL_FALSE) {
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   239
            fprintf(stderr, "ERROR: OpenAL not initialized\n");
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   240
            return AL_FALSE;
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   241
        }
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   242
        
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   243
        if (index >= globalsize) {
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   244
            fprintf(stderr, "ERROR: index out of bounds (got %d, max %d)\n", index, globalindex);
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   245
            return AL_FALSE;
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   246
        }
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   247
        
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   248
        alGetSourcei (Sources[index], AL_LOOPING, &loop);
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   249
        alSourcei (Sources[index], AL_LOOPING, !((uint8_t) loop) & 0x00000001);
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   250
        if (AlGetError("ERROR %d: Getting or setting loop property\n") != AL_TRUE)
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   251
            return AL_FALSE;
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   252
        
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   253
        alGetError();  /* clear any AL errors beforehand */
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   254
        
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   255
        return AL_TRUE;
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   256
    }
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   257
    
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   258
    
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   259
    ALboolean openal_setvolume (uint32_t index, uint8_t percentage) {
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   260
        if(openalReady == AL_FALSE) {
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   261
            fprintf(stderr, "ERROR: OpenAL not initialized\n");
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   262
            return AL_FALSE;
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   263
        }
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   264
        
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   265
        /*Set volume for sound number index*/
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   266
        if (index >= globalindex) {
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   267
            fprintf(stderr, "ERROR: index out of bounds (got %d, max %d)\n", index, globalindex);
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   268
            return AL_FALSE;
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   269
        }
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   270
        
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   271
        if (percentage > 100)
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   272
            percentage = 100;
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   273
        alSourcef (Sources[index], AL_GAIN, (float) percentage/100.0f);
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   274
        if (AlGetError2("ERROR %d: setting volume for sound %d\n", index) != AL_TRUE)
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   275
            return AL_FALSE;
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   276
        
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   277
        alGetError();  /* clear any AL errors beforehand */
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   278
        
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   279
        return AL_TRUE;
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   280
    }
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   281
    
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   282
    
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   283
    ALboolean openal_setglobalvolume (uint8_t percentage) {
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   284
        if(openalReady == AL_FALSE) {
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   285
            fprintf(stderr, "ERROR: OpenAL not initialized\n");
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   286
            return AL_FALSE;
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   287
        }
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   288
        
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   289
        /*Set volume for all sounds*/		
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   290
        if (percentage > 100)
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   291
            percentage = 100;
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   292
        alListenerf (AL_GAIN, (float) percentage/100.0f);
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   293
        if (AlGetError("ERROR %d: Setting global volume\n") != AL_TRUE)
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   294
            return AL_FALSE;
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   295
        
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   296
        alGetError();  /* clear any AL errors beforehand */
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   297
        
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   298
        return AL_TRUE;
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   299
    }
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   300
    
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diff changeset
   301
    
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   302
    ALboolean openal_togglemute () {
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   303
        /*Mute or unmute sound*/
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   304
        ALfloat mute;
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   305
        
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   306
        if(openalReady == AL_FALSE) {
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   307
            fprintf(stderr, "ERROR: OpenAL not initialized\n");
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   308
            return AL_FALSE;
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   309
        }
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   310
        
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   311
        alGetListenerf (AL_GAIN, &mute);
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   312
        if (mute > 0) 
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   313
            mute = 0;
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   314
        else
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   315
            mute = 1.0;
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   316
        alListenerf (AL_GAIN, mute);
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   317
        if (AlGetError("ERROR %d: Setting mute property\n") != AL_TRUE)
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   318
            return AL_FALSE;
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   319
        
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   320
        alGetError();  /* clear any AL errors beforehand */
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   321
        
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   322
        return AL_TRUE;
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diff changeset
   323
    }
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diff changeset
   324
    
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diff changeset
   325
    
2261
57e99c908e7c a lot of stuff:
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parents: 2260
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   326
    ALboolean openal_fade (uint32_t index, uint16_t quantity, ALboolean direction) {
2259
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   327
        /*Fade in or out by calling a helper thread*/
2194
1597710c6118 koda adds threading for fadein/out. Untested under windows, but works beautifully under Linux (and presumably OSX, right koda?)
nemo
parents: 2191
diff changeset
   328
#ifndef _WIN32
2259
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diff changeset
   329
        pthread_t thread;
2211
288360b78f30 - fade in/out functions merged, but kept binary compatibility
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parents: 2210
diff changeset
   330
#else
2259
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   331
        HANDLE Thread;
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   332
        DWORD threadID;
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diff changeset
   333
#endif
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   334
        fade_t *fade;
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koda
parents: 2257
diff changeset
   335
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   336
        if(openalReady == AL_FALSE) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   337
            fprintf(stderr, "ERROR: OpenAL not initialized\n");
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   338
            return AL_FALSE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   339
        }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   340
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   341
        fade = (fade_t*) Malloc(sizeof(fade_t));
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   342
        fade->index = index;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   343
        fade->quantity = quantity;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   344
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   345
        if (index >= globalindex) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   346
            fprintf(stderr, "ERROR: index out of bounds (got %d, max %d)\n", index, globalindex);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   347
            return AL_FALSE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   348
        }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   349
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   350
        if (direction == FADE_IN)
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   351
#ifndef _WIN32
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   352
            pthread_create(&thread, NULL, helper_fadein, (void*) fade);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   353
#else
2260
31756e21c436 other indentation, binding and miscellaneous fixes to openalbridge
koda
parents: 2259
diff changeset
   354
        Thread = _beginthread(&helper_fadein, 0, (void*) fade);
2259
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   355
#endif
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   356
        else {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   357
            if (direction == FADE_OUT)
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   358
#ifndef _WIN32
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   359
                pthread_create(&thread, NULL, helper_fadeout, (void*) fade);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   360
#else
2260
31756e21c436 other indentation, binding and miscellaneous fixes to openalbridge
koda
parents: 2259
diff changeset
   361
            Thread = _beginthread(&helper_fadeout, 0, (void*) fade);
2211
288360b78f30 - fade in/out functions merged, but kept binary compatibility
koda
parents: 2210
diff changeset
   362
#endif	
2259
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   363
            else {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   364
                fprintf(stderr, "ERROR: unknown direction for fade (%d)\n", direction);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   365
                free(fade);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   366
                return AL_FALSE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   367
            }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   368
        }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   369
        
2211
288360b78f30 - fade in/out functions merged, but kept binary compatibility
koda
parents: 2210
diff changeset
   370
#ifndef _WIN32
2259
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   371
        pthread_detach(thread);
2191
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
   372
#endif
2259
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   373
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   374
        alGetError();  /* clear any AL errors beforehand */
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   375
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   376
        return AL_TRUE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   377
    }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   378
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   379
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   380
    ALboolean openal_fadeout (uint32_t index, uint16_t quantity) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   381
        /*wrapper for fadeout*/
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   382
        return openal_fade(index, quantity, FADE_OUT);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   383
    }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   384
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   385
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   386
    ALboolean openal_fadein (uint32_t index, uint16_t quantity) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   387
        /*wrapper for fadein*/
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   388
        return openal_fade(index, quantity, FADE_IN);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   389
    }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   390
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   391
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   392
    ALboolean openal_setposition (uint32_t index, float x, float y, float z) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   393
        if(openalReady == AL_FALSE) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   394
            fprintf(stderr, "ERROR: OpenAL not initialized\n");
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   395
            return AL_FALSE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   396
        }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   397
        if (index >= globalindex) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   398
            fprintf(stderr, "ERROR: index out of bounds (got %d, max %d)\n", index, globalindex);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   399
            return AL_FALSE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   400
        }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   401
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   402
        alSource3f(Sources[index], AL_POSITION, x, y, z);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   403
        if (AlGetError2("ERROR %d: setting position for sound %d\n", index) != AL_TRUE)
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   404
            return AL_FALSE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   405
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   406
        return AL_TRUE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   407
    }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   408
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   409
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   410
    ALboolean openal_playsound (uint32_t index){
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   411
        if(openalReady == AL_FALSE) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   412
            fprintf(stderr, "ERROR: OpenAL not initialized\n");
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   413
            return AL_FALSE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   414
        }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   415
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   416
        /*Play sound number index*/
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   417
        if (index >= globalindex) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   418
            fprintf(stderr, "ERROR: index out of bounds (got %d, max %d)\n", index, globalindex);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   419
            return AL_FALSE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   420
        }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   421
        alSourcePlay(Sources[index]);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   422
        if (AlGetError2("ERROR %d: Playing sound %d\n", index) != AL_TRUE)
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   423
            return AL_FALSE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   424
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   425
        alGetError();  /* clear any AL errors beforehand */
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   426
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   427
        return AL_TRUE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   428
    }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   429
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   430
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   431
    ALboolean openal_pausesound(uint32_t index){
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   432
        if(openalReady == AL_FALSE) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   433
            fprintf(stderr, "ERROR: OpenAL not initialized\n");
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   434
            return AL_FALSE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   435
        }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   436
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   437
        /*Pause sound number index*/
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   438
        if (index >= globalindex) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   439
            fprintf(stderr, "ERROR: index out of bounds (got %d, max %d)\n", index, globalindex);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   440
            return AL_FALSE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   441
        }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   442
        alSourcePause(Sources[index]);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   443
        if (AlGetError2("ERROR %d: Pausing sound %d\n", index) != AL_TRUE)
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   444
            return AL_FALSE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   445
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   446
        return AL_TRUE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   447
    }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   448
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   449
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   450
    ALboolean openal_stopsound(uint32_t index){
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   451
        if(openalReady == AL_FALSE) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   452
            fprintf(stderr, "ERROR: OpenAL not initialized\n");
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   453
            return AL_FALSE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   454
        }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   455
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   456
        /*Stop sound number index*/
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   457
        if (index >= globalindex) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   458
            fprintf(stderr, "ERROR: index out of bounds (got %d, max %d)\n", index, globalindex);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   459
            return AL_FALSE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   460
        }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   461
        alSourceStop(Sources[index]);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   462
        if (AlGetError2("ERROR %d: Stopping sound %d\n", index) != AL_TRUE)
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   463
            return AL_FALSE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   464
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   465
        alGetError();  /* clear any AL errors beforehand */
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   466
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   467
        return AL_TRUE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   468
    }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   469
    
2191
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
   470
#ifdef __CPLUSPLUS
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
   471
}
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
   472
#endif