- Add HH dX/dY to Birdy disappearing animation
- Feather amount is proportional fo fuel left
/*
* OpenAL Bridge - a simple portable library for OpenAL interface
* Copyright (c) 2009 Vittorio Giovara <vittorio.giovara@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; version 2 of the License
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#include "wrappers.h"
#ifdef __CPLUSPLUS
extern "C" {
#endif
extern ALint *Sources;
void *Malloc (size_t nbytes) {
void *aptr;
if ((aptr = malloc(nbytes)) == NULL)
err_dump("(%s) FATAL - not enough memory");
return aptr;
}
void *Realloc (void *aptr, size_t nbytes) {
aptr = realloc(aptr, nbytes);
if (aptr == NULL)
err_dump("(%s) FATAL - not enough memory");
return aptr;
}
FILE *Fopen (const char *fname, char *mode) {
FILE *fp;
fp = fopen(fname,mode);
if (fp == NULL)
err_ret("(%s) ERROR - can't open file %s in mode '%s'", prog, fname, mode);
return fp;
}
/*TODO make a proper error reporting routine*/
ALint AlGetError (const char *str) {
ALenum error;
error = alGetError();
if (error != AL_NO_ERROR) {
err_msg(str, prog);
return error;
} else
return AL_TRUE;
}
ALint AlGetError2 (const char *str, int num) {
ALenum error;
error = alGetError();
if (error != AL_NO_ERROR) {
err_msg(str, prog, num);
return error;
} else
return AL_TRUE;
}
void *helper_fadein(void *tmp) {
ALfloat gain;
ALfloat target_gain;
fade_t *fade;
uint32_t index;
uint16_t quantity;
fade = tmp;
index = fade->index;
quantity = fade->quantity;
free (fade);
#ifdef DEBUG
err_msg("(%s) INFO - Fade-in in progress [index %d quantity %d]", prog, index, quantity);
#endif
/*save the volume desired after the fade*/
alGetSourcef(Sources[index], AL_GAIN, &target_gain);
if (target_gain > 1.0f || target_gain <= 0.0f)
target_gain = 1.0f;
alSourcePlay(Sources[index]);
for (gain = 0.0f ; gain <= target_gain; gain += (float) quantity/10000) {
#ifdef TRACE
err_msg("(%s) DEBUG - Fade-in set gain to %f", gain);
#endif
alSourcef(Sources[index], AL_GAIN, gain);
usleep(10000);
}
AlGetError("(%s) WARN - Failed to set fade-in volume level");
#ifndef _WIN32
pthread_exit(NULL);
#else
_endthread();
#endif
return 0;
}
void *helper_fadeout(void *tmp) {
ALfloat gain;
ALfloat old_gain;
fade_t *fade;
uint32_t index;
uint16_t quantity;
fade = tmp;
index = fade->index;
quantity = fade->quantity;
free(fade);
#ifdef DEBUG
err_msg("(%s) INFO - Fade-out in progress [index %d quantity %d]", prog, index, quantity);
#endif
alGetSourcef(Sources[index], AL_GAIN, &old_gain);
for (gain = old_gain; gain >= 0.00f; gain -= (float) quantity/10000) {
#ifdef TRACE
err_msg("(%s) DEBUG - Fade-out set gain to %f", gain);
#endif
alSourcef(Sources[index], AL_GAIN, gain);
usleep(10000);
}
AlGetError("(%s) WARN - Failed to set fade-out volume level");
/*stop that sound and reset its volume*/
alSourceStop (Sources[index]);
alSourcef (Sources[index], AL_GAIN, old_gain);
#ifndef _WIN32
pthread_exit(NULL);
#else
_endthread();
#endif
return 0;
}
#ifdef __CPLUSPLUS
}
#endif