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#include "main.h"
#include "state.h"
#include "audio.h"
#include "lua_core.h"
static bool validSound( size_t id ) {
if ( id < 0 || state->soundCount < id || state->sounds[ id ] == NULL ) {
TraceLog( LOG_WARNING, "%s %d", "Invalid sound", id );
return false;
}
else {
return true;
}
}
static void checkSoundRealloc( int i ) {
if ( i == state->soundCount ) {
state->soundCount++;
}
if ( state->soundCount == state->soundAlloc ) {
state->soundAlloc += ALLOC_PAGE_SIZE;
state->sounds = realloc( state->sounds, state->soundAlloc * sizeof( Sound* ) );
for ( i = state->soundCount; i < state->soundAlloc; i++ ) {
state->sounds[i] = NULL;
}
}
}
/*
## Audio - Sounds
*/
/*
> sound = RL_LoadSound( string fileName )
Load sound from file
- Failure return -1
- Success return int
*/
int laudioLoadSound( lua_State *L ) {
if ( !lua_isstring( L, -1 ) ) {
TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_LoadSound( string fileName )" );
lua_pushinteger( L, -1 );
return 1;
}
if ( FileExists( lua_tostring( L, -1 ) ) ) {
int i = 0;
for ( i = 0; i < state->soundCount; i++ ) {
if ( state->sounds[i] == NULL ) {
break;
}
}
state->sounds[i] = malloc( sizeof( Sound ) );
*state->sounds[i] = LoadSound( lua_tostring( L, -1 ) );
lua_pushinteger( L, i );
checkSoundRealloc( i );
}
else {
lua_pushinteger( L, -1 );
}
return 1;
}
/*
> success = RL_PlaySoundMulti( Sound sound )
Play a sound ( Using multichannel buffer pool )
- Failure return false
- Success return true
*/
int laudioPlaySoundMulti( lua_State *L ) {
if ( !lua_isnumber( L, -1 ) ) {
TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_PlaySoundMulti( Sound sound )" );
lua_pushboolean( L, false );
return 1;
}
if ( !validSound( lua_tointeger( L, -1 ) ) ) {
lua_pushboolean( L, false );
return 1;
}
PlaySoundMulti( *state->sounds[ lua_tointeger( L, -1 ) ] );
lua_pushboolean( L, true );
return 1;
}
/*
> success = RL_SetSoundVolume( Sound sound, float volume )
Set volume for a sound ( 1.0 is max level )
- Failure return false
- Success return true
*/
int laudioSetSoundVolume( lua_State *L ) {
if ( !lua_isnumber( L, -2 ) || !lua_isnumber( L, -1 ) ) {
TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_SetSoundVolume( Sound sound, float volume )" );
lua_pushboolean( L, false );
return 1;
}
if ( !validSound( lua_tointeger( L, -2 ) ) ) {
lua_pushboolean( L, false );
return 1;
}
SetSoundVolume( *state->sounds[ lua_tointeger( L, -2 ) ], lua_tonumber( L, -1 ) );
lua_pushboolean( L, true );
return 1;
}
/*
> success = RL_SetSoundPitch( Sound sound, float pitch )
Set pitch for a sound ( 1.0 is base level )
- Failure return false
- Success return true
*/
int laudioSetSoundPitch( lua_State *L ) {
if ( !lua_isnumber( L, -2 ) || !lua_isnumber( L, -1 ) ) {
TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_SetSoundPitch( Sound sound, float pitch )" );
lua_pushboolean( L, false );
return 1;
}
if ( !validSound( lua_tointeger( L, -2 ) ) ) {
lua_pushboolean( L, false );
return 1;
}
SetSoundPitch( *state->sounds[ lua_tointeger( L, -2 ) ], lua_tonumber( L, -1 ) );
lua_pushboolean( L, true );
return 1;
}
/*
> success = RL_UnloadSound( Sound sound )
Unload sound
- Failure return false
- Success return true
*/
int laudioUnloadSound( lua_State *L ) {
if ( !lua_isnumber( L, -1 ) ) {
TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_UnloadSound( Sound sound )" );
lua_pushboolean( L, false );
return 1;
}
size_t id = lua_tointeger( L, -1 );
if ( !validSound( id ) ) {
lua_pushboolean( L, false );
return 1;
}
UnloadSound( *state->sounds[ id ] );
state->sounds[ id ] = NULL;
lua_pushboolean( L, true );
return 1;
}
/*
## Audio - Music
*/
/*
> success = RL_LoadMusicStream( string fileName )
Load music stream from file
- Failure return false
- Success return true
*/
int laudioLoadMusicStream( lua_State *L ) {
if ( !lua_isstring( L, -1 ) ) {
TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_LoadMusicStream( string fileName )" );
lua_pushboolean( L, false );
return 1;
}
if ( FileExists( lua_tostring( L, -1 ) ) ) {
state->music = LoadMusicStream( lua_tostring( L, -1 ) );
state->music.looping = false;
lua_pushboolean( L, true );
}
else {
lua_pushboolean( L, false );
}
return 1;
}
/*
> PlayMusicStream()
Start music playing
*/
int laudioPlayMusicStream( lua_State *L ) {
PlayMusicStream( state->music );
return 1;
}
/*
> StopMusicStream()
Stop music playing
*/
int laudioStopMusicStream( lua_State *L ) {
StopMusicStream( state->music );
return 1;
}
/*
> PauseMusicStream()
Pause music playing
*/
int laudioPauseMusicStream( lua_State *L ) {
PauseMusicStream( state->music );
return 1;
}
/*
> ResumeMusicStream()
Resume playing paused music
*/
int laudioResumeMusicStream( lua_State *L ) {
ResumeMusicStream( state->music );
return 1;
}
/*
> playing = PlayMusicStream()
Check if music is playing
- Success return bool
*/
int laudioIsMusicStreamPlaying( lua_State *L ) {
lua_pushboolean( L, IsMusicStreamPlaying( state->music ) );
return 1;
}
/*
> success = RL_SetMusicVolume( float volume )
Set volume for music ( 1.0 is max level )
- Failure return false
- Success return true
*/
int laudioSetMusicVolume( lua_State *L ) {
if ( !lua_isnumber( L, -1 ) ) {
TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_SetMusicVolume( float volume )" );
lua_pushboolean( L, false );
return 1;
}
SetMusicVolume( state->music, lua_tonumber( L, -1 ) );
lua_pushboolean( L, true );
return 1;
}
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