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Moved lua music logic to a separate function so that ScreenSelectMusic can use lua for the various kinds of sample music.

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This commit is contained in:
Kyzentun Keeslala
2015-11-08 22:58:10 -07:00
parent d496f8145c
commit 65c84ef7dc
4 changed files with 73 additions and 60 deletions
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src/ScreenWithMenuElements.cpp
+57 -59
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@@ -178,74 +178,72 @@ void ScreenWithMenuElements::SetHelpText( RString s )
this->HandleMessage( msg );
}
RString ScreenWithMenuElements::HandleLuaMusicFile(RString const& path)
{
FileType ft= ActorUtil::GetFileType(path);
RString ret= path;
if(ft == FT_Lua)
{
RString script;
RString error= "Lua runtime error: ";
if(GetFileContents(path, script))
{
Lua* L= LUA->Get();
if(!LuaHelpers::RunScript(L, script, "@"+path, error, 0, 1, true))
{
ret= "";
}
else
{
// there are two possible ways to load a music file via Lua.
// 1) return the path to the sound
// (themer has to use THEME:GetPathS())
RString music_path_from_lua;
LuaHelpers::Pop(L, music_path_from_lua);
if(!music_path_from_lua.empty())
{
ret= music_path_from_lua;
}
else
{
// 2) perhaps it's a table with some params? unsure if I want to support
// this just yet. -aj
LOG->Trace("Lua music script did not return a path to a sound.");
ret= "";
}
}
LUA->Release(L);
}
else
{
LOG->Trace("run script failed hardcore, lol");
ret= "";
}
}
else if(ft != FT_Sound)
{
LuaHelpers::ReportScriptErrorFmt("Music file %s is not a sound file.", path.c_str());
ret= "";
}
return ret;
}
void ScreenWithMenuElements::StartPlayingMusic()
{
/* Some screens should leave the music alone (eg. ScreenPlayerOptions music
/* Some screens should leave the music alone (eg. ScreenPlayerOptions music
* sample left over from ScreenSelectMusic). */
if( PLAY_MUSIC )
{
GameSoundManager::PlayMusicParams pmp;
FileType ft = ActorUtil::GetFileType( m_sPathToMusic );
/* If m_sPathToMusic points to a Lua file, parse it and make sure it
* returns a string pointing to a sound. Otherwise, if it points to
* a normal music file, use the normal playback code. -aj
* TODO: Make Lua music files accept playback params.
*/
if( ft == FT_Lua )
pmp.sFile= HandleLuaMusicFile(m_sPathToMusic);
if(!pmp.sFile.empty())
{
RString Script;
RString Error= "Lua runtime error: ";
if( GetFileContents(m_sPathToMusic, Script) )
{
Lua *L = LUA->Get();
if( !LuaHelpers::RunScript(L, Script, "@"+m_sPathToMusic, Error, 0, 1, true) )
{
LUA->Release( L );
return;
}
else
{
// there are two possible ways to load a music file via Lua.
// 1) return the path to the sound
// (themer has to use THEME:GetPathS())
RString sMusicPathFromLua;
LuaHelpers::Pop(L, sMusicPathFromLua);
if( !sMusicPathFromLua.empty() )
{
pmp.sFile = sMusicPathFromLua;
pmp.bAlignBeat = MUSIC_ALIGN_BEAT;
// TODO: load other params into pmp here -aj
if( DELAY_MUSIC_SECONDS > 0.0f )
pmp.fStartSecond = -DELAY_MUSIC_SECONDS;
SOUND->PlayMusic( pmp );
}
else
{
// 2) perhaps it's a table with some params? unsure if I want to support
// this just yet. -aj
LOG->Trace("Lua music script did not return a path to a sound.");
}
LUA->Release( L );
}
}
else
{
LOG->Trace("run script failed hardcore, lol");
}
}
else
{
pmp.sFile = m_sPathToMusic;
pmp.bAlignBeat = MUSIC_ALIGN_BEAT;
if( DELAY_MUSIC_SECONDS > 0.0f )
if(DELAY_MUSIC_SECONDS > 0.0f)
{
pmp.fStartSecond = -DELAY_MUSIC_SECONDS;
SOUND->PlayMusic( pmp );
}
SOUND->PlayMusic(pmp);
}
}
}