Added initial files.

src/audio.c

@@ -0,0 +1,272 @@
+#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 );
+	}
+
+	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;
+}