openalbridge/openalwrap.c
author unc0rr
Sat, 01 Aug 2009 13:59:41 +0000
changeset 2292 87af4ad0ec98
parent 2261 57e99c908e7c
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New waves rendering procedure based on using texture coodrinates > 1.0
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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 "openalwrap.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 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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        default_device = alcGetString(NULL, ALC_DEFAULT_DEVICE_SPECIFIER);
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        fprintf(stderr, "Using default device: %s\n", default_device);
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        if ((device = alcOpenDevice(default_device)) == 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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        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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        globalsize = memorysize;
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        increment  = memorysize;
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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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        /*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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        /*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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        if (fp == NULL)
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            return -1;
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        error = fread (&fileformat, sizeof(uint32_t), 1, fp);
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        fclose (fp);
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   168
        
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   169
        if (error < 0) {
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   170
            fprintf(stderr, "ERROR: file %s is too short \n", filename);
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   171
            return -2;
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   172
        }
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   173
        
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   174
        /*prepare the buffer to receive data*/
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        alGenBuffers(1, &Buffers[globalindex]);
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   176
        
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   177
        if (AlGetError("ERROR %d: Allocating memory for buffers\n") != AL_TRUE)
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   178
            return -3;
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   179
        
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   180
        /*prepare the source to emit sound*/
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        alGenSources(1, &Sources[globalindex]);
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   182
        
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   183
        if (AlGetError("ERROR %d: Allocating memory for sources\n") != AL_TRUE)
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   184
            return -4;
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   185
        
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   186
        
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   187
        if (fileformat == 0x5367674F) /*check if ogg*/
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   188
            error = load_oggvorbis (filename, &format, &data, &bitsize, &freq);
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   189
        else {
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   190
            if (fileformat == 0x46464952) /*check if wav*/
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   191
                error = load_wavpcm (filename, &format, &data, &bitsize, &freq);
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   192
            else {
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   193
                fprintf(stderr, "ERROR: File format (%08X) not supported!\n", invert_endianness(fileformat));
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   194
                return -5;
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   195
            }
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   196
        }
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   197
        
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   198
        /*copy pcm data in one buffer*/
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   199
        alBufferData(Buffers[globalindex], format, data, bitsize, freq);
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   200
        free(data);		/*deallocate data to save memory*/
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   201
        
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   202
        if (AlGetError("ERROR %d: Writing data to buffer\n") != AL_TRUE)
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   203
            return -6;
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   204
        
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   205
        /*set source properties that it will use when it's in playback*/
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   206
        alSourcei (Sources[globalindex], AL_BUFFER,   Buffers[globalindex]  );
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   207
        alSourcef (Sources[globalindex], AL_PITCH,    1.0f                  );
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   208
        alSourcef (Sources[globalindex], AL_GAIN,     1.0f                  );
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   209
        alSourcefv(Sources[globalindex], AL_POSITION, SourcePos             );
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   210
        alSourcefv(Sources[globalindex], AL_VELOCITY, SourceVel             );
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   211
        alSourcei (Sources[globalindex], AL_LOOPING,  0                     );
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   212
        
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   213
        if (AlGetError("ERROR %d: Setting source properties\n") != AL_TRUE)
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   214
            return -7;
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   215
        
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   216
        alGetError();  /* clear any AL errors beforehand */
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   217
        
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   218
        /*returns the index of the source you just loaded, increments it and exits*/
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   219
        return globalindex++;
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   220
    }
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   221
    
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diff changeset
   222
    
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   223
    ALboolean openal_toggleloop (uint32_t index){
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   224
        /*Set or unset looping mode*/
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   225
        ALint loop;
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   226
        
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   227
        if(openalReady == AL_FALSE) {
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   228
            fprintf(stderr, "ERROR: OpenAL not initialized\n");
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   229
            return AL_FALSE;
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   230
        }
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diff changeset
   231
        
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   232
        if (index >= globalsize) {
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   233
            fprintf(stderr, "ERROR: index out of bounds (got %d, max %d)\n", index, globalindex);
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   234
            return AL_FALSE;
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diff changeset
   235
        }
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diff changeset
   236
        
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   237
        alGetSourcei (Sources[index], AL_LOOPING, &loop);
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   238
        alSourcei (Sources[index], AL_LOOPING, !((uint8_t) loop) & 0x00000001);
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   239
        if (AlGetError("ERROR %d: Getting or setting loop property\n") != AL_TRUE)
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   240
            return AL_FALSE;
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diff changeset
   241
        
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   242
        alGetError();  /* clear any AL errors beforehand */
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   243
        
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   244
        return AL_TRUE;
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   245
    }
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diff changeset
   246
    
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koda
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diff changeset
   247
    
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   248
    ALboolean openal_setvolume (uint32_t index, uint8_t percentage) {
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   249
        if(openalReady == AL_FALSE) {
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   250
            fprintf(stderr, "ERROR: OpenAL not initialized\n");
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   251
            return AL_FALSE;
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   252
        }
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   253
        
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   254
        /*Set volume for sound number index*/
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   255
        if (index >= globalindex) {
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   256
            fprintf(stderr, "ERROR: index out of bounds (got %d, max %d)\n", index, globalindex);
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   257
            return AL_FALSE;
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   258
        }
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   259
        
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   260
        if (percentage > 100)
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koda
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   261
            percentage = 100;
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   262
        alSourcef (Sources[index], AL_GAIN, (float) percentage/100.0f);
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   263
        if (AlGetError2("ERROR %d: setting volume for sound %d\n", index) != AL_TRUE)
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   264
            return AL_FALSE;
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diff changeset
   265
        
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koda
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   266
        alGetError();  /* clear any AL errors beforehand */
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   267
        
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   268
        return AL_TRUE;
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   269
    }
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   270
    
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diff changeset
   271
    
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   272
    ALboolean openal_setglobalvolume (uint8_t percentage) {
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   273
        if(openalReady == AL_FALSE) {
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   274
            fprintf(stderr, "ERROR: OpenAL not initialized\n");
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   275
            return AL_FALSE;
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   276
        }
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   277
        
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   278
        /*Set volume for all sounds*/		
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   279
        if (percentage > 100)
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   280
            percentage = 100;
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   281
        alListenerf (AL_GAIN, (float) percentage/100.0f);
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   282
        if (AlGetError("ERROR %d: Setting global volume\n") != AL_TRUE)
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koda
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   283
            return AL_FALSE;
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   284
        
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   285
        alGetError();  /* clear any AL errors beforehand */
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   286
        
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   287
        return AL_TRUE;
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koda
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   288
    }
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   289
    
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koda
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diff changeset
   290
    
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koda
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   291
    ALboolean openal_togglemute () {
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   292
        /*Mute or unmute sound*/
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   293
        ALfloat mute;
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koda
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diff changeset
   294
        
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   295
        if(openalReady == AL_FALSE) {
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diff changeset
   296
            fprintf(stderr, "ERROR: OpenAL not initialized\n");
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koda
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diff changeset
   297
            return AL_FALSE;
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diff changeset
   298
        }
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   299
        
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   300
        alGetListenerf (AL_GAIN, &mute);
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diff changeset
   301
        if (mute > 0) 
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diff changeset
   302
            mute = 0;
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   303
        else
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   304
            mute = 1.0;
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   305
        alListenerf (AL_GAIN, mute);
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   306
        if (AlGetError("ERROR %d: Setting mute property\n") != AL_TRUE)
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koda
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diff changeset
   307
            return AL_FALSE;
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diff changeset
   308
        
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koda
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diff changeset
   309
        alGetError();  /* clear any AL errors beforehand */
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   310
        
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koda
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   311
        return AL_TRUE;
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koda
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diff changeset
   312
    }
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diff changeset
   313
    
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koda
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diff changeset
   314
    
2261
57e99c908e7c a lot of stuff:
koda
parents: 2260
diff changeset
   315
    ALboolean openal_fade (uint32_t index, uint16_t quantity, ALboolean direction) {
2259
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diff changeset
   316
        /*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
   317
#ifndef _WIN32
2259
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koda
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diff changeset
   318
        pthread_t thread;
2211
288360b78f30 - fade in/out functions merged, but kept binary compatibility
koda
parents: 2210
diff changeset
   319
#else
2259
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diff changeset
   320
        HANDLE Thread;
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diff changeset
   321
        DWORD threadID;
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diff changeset
   322
#endif
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   323
        fade_t *fade;
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koda
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diff changeset
   324
        
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koda
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diff changeset
   325
        if(openalReady == AL_FALSE) {
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koda
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diff changeset
   326
            fprintf(stderr, "ERROR: OpenAL not initialized\n");
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koda
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diff changeset
   327
            return AL_FALSE;
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koda
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diff changeset
   328
        }
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koda
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diff changeset
   329
        
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koda
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diff changeset
   330
        fade = (fade_t*) Malloc(sizeof(fade_t));
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diff changeset
   331
        fade->index = index;
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koda
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diff changeset
   332
        fade->quantity = quantity;
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koda
parents: 2257
diff changeset
   333
        
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koda
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diff changeset
   334
        if (index >= globalindex) {
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koda
parents: 2257
diff changeset
   335
            fprintf(stderr, "ERROR: index out of bounds (got %d, max %d)\n", index, globalindex);
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koda
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diff changeset
   336
            return AL_FALSE;
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koda
parents: 2257
diff changeset
   337
        }
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koda
parents: 2257
diff changeset
   338
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   339
        if (direction == FADE_IN)
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koda
parents: 2257
diff changeset
   340
#ifndef _WIN32
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koda
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diff changeset
   341
            pthread_create(&thread, NULL, helper_fadein, (void*) fade);
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koda
parents: 2257
diff changeset
   342
#else
2260
31756e21c436 other indentation, binding and miscellaneous fixes to openalbridge
koda
parents: 2259
diff changeset
   343
        Thread = _beginthread(&helper_fadein, 0, (void*) fade);
2259
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   344
#endif
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   345
        else {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   346
            if (direction == FADE_OUT)
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   347
#ifndef _WIN32
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koda
parents: 2257
diff changeset
   348
                pthread_create(&thread, NULL, helper_fadeout, (void*) fade);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
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diff changeset
   349
#else
2260
31756e21c436 other indentation, binding and miscellaneous fixes to openalbridge
koda
parents: 2259
diff changeset
   350
            Thread = _beginthread(&helper_fadeout, 0, (void*) fade);
2211
288360b78f30 - fade in/out functions merged, but kept binary compatibility
koda
parents: 2210
diff changeset
   351
#endif	
2259
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   352
            else {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   353
                fprintf(stderr, "ERROR: unknown direction for fade (%d)\n", direction);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   354
                free(fade);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   355
                return AL_FALSE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   356
            }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   357
        }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   358
        
2211
288360b78f30 - fade in/out functions merged, but kept binary compatibility
koda
parents: 2210
diff changeset
   359
#ifndef _WIN32
2259
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   360
        pthread_detach(thread);
2191
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
   361
#endif
2259
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   362
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   363
        alGetError();  /* clear any AL errors beforehand */
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   364
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   365
        return AL_TRUE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   366
    }
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
    ALboolean openal_fadeout (uint32_t index, uint16_t quantity) {
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koda
parents: 2257
diff changeset
   370
        /*wrapper for fadeout*/
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koda
parents: 2257
diff changeset
   371
        return openal_fade(index, quantity, FADE_OUT);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   372
    }
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
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   375
    ALboolean openal_fadein (uint32_t index, uint16_t quantity) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   376
        /*wrapper for fadein*/
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koda
parents: 2257
diff changeset
   377
        return openal_fade(index, quantity, FADE_IN);
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
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   381
    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
   382
        if(openalReady == AL_FALSE) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   383
            fprintf(stderr, "ERROR: OpenAL not initialized\n");
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   384
            return AL_FALSE;
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
        if (index >= globalindex) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   387
            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
   388
            return AL_FALSE;
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
        alSource3f(Sources[index], AL_POSITION, x, y, z);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   392
        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
   393
            return AL_FALSE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   394
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   395
        return AL_TRUE;
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
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   398
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   399
    ALboolean openal_playsound (uint32_t index){
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   400
        if(openalReady == AL_FALSE) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   401
            fprintf(stderr, "ERROR: OpenAL not initialized\n");
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   402
            return AL_FALSE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   403
        }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   404
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   405
        /*Play sound number index*/
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   406
        if (index >= globalindex) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   407
            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
   408
            return AL_FALSE;
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
        alSourcePlay(Sources[index]);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   411
        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
   412
            return AL_FALSE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   413
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   414
        alGetError();  /* clear any AL errors beforehand */
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
        return AL_TRUE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   417
    }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   418
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   419
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   420
    ALboolean openal_pausesound(uint32_t index){
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   421
        if(openalReady == AL_FALSE) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   422
            fprintf(stderr, "ERROR: OpenAL not initialized\n");
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
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   426
        /*Pause sound number index*/
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   427
        if (index >= globalindex) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   428
            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
   429
            return AL_FALSE;
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
        alSourcePause(Sources[index]);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   432
        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
   433
            return AL_FALSE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   434
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   435
        return AL_TRUE;
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
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   438
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   439
    ALboolean openal_stopsound(uint32_t index){
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   440
        if(openalReady == AL_FALSE) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   441
            fprintf(stderr, "ERROR: OpenAL not initialized\n");
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   442
            return AL_FALSE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   443
        }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   444
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   445
        /*Stop sound number index*/
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   446
        if (index >= globalindex) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   447
            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
   448
            return AL_FALSE;
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
        alSourceStop(Sources[index]);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   451
        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
   452
            return AL_FALSE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   453
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   454
        alGetError();  /* clear any AL errors beforehand */
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
        return AL_TRUE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   457
    }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   458
    
2191
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
   459
#ifdef __CPLUSPLUS
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
   460
}
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
   461
#endif