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Annoying: allow OptionRowHandlers to specify what they reloaded, and

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don't re-create things if we've only changed what's enabled.  Use this
with the Lua interface, by making EnabledForPlayers a function returning
a table instead of a table.
This commit is contained in:
Glenn Maynard
2006-02-27 05:43:39 +00:00
parent 9488915ff0
commit 977689ac83
4 changed files with 84 additions and 86 deletions
Download Patch File Download Diff File Expand all files Collapse all files
stepmania/src/OptionRowHandler.cpp
+52 -69
View File
@@ -256,11 +256,11 @@ public:
return gc.m_sScreen;
}
virtual bool Reload()
virtual ReloadChanged Reload()
{
// HACK: always reload "speed", to update the BPM text in the name of the speed line
if( !m_Def.m_sName.CompareNoCase("speed") )
return true;
return RELOAD_CHANGED_ALL;
return OptionRowHandler::Reload();
}
@@ -300,7 +300,7 @@ class OptionRowHandlerListSteps : public OptionRowHandlerList
// OptionRowHandlerList::LoadInternal( cmds );
}
virtual bool Reload()
virtual ReloadChanged Reload()
{
m_Def.m_vsChoices.clear();
m_aListEntries.clear();
@@ -361,7 +361,7 @@ class OptionRowHandlerListSteps : public OptionRowHandlerList
m_aListEntries.push_back( GameCommand() );
}
return true;
return RELOAD_CHANGED_ALL;
}
};
@@ -671,6 +671,7 @@ class OptionRowHandlerLua : public OptionRowHandler
{
public:
LuaExpression *m_pLuaTable;
LuaReference m_EnabledForPlayersFunc;
OptionRowHandlerLua() { m_pLuaTable = new LuaExpression; Init(); }
virtual ~OptionRowHandlerLua() { delete m_pLuaTable; }
@@ -679,6 +680,43 @@ public:
OptionRowHandler::Init();
m_pLuaTable->Unset();
}
void SetEnabledForPlayers()
{
Lua *L = LUA->Get();
if( m_EnabledForPlayersFunc.IsNil() )
{
LUA->Release(L);
return;
}
m_EnabledForPlayersFunc.PushSelf( L );
/* Argument 1 (self): */
m_pLuaTable->PushSelf( L );
lua_call( L, 1, 1 ); // call function with 1 argument and 1 result
if( !lua_istable(L, -1) )
RageException::Throw( "\"EnabledForPlayers\" did not return a table" );
m_Def.m_vEnabledForPlayers.clear(); // and fill in with supplied PlayerNumbers below
lua_pushnil( L );
while( lua_next(L, -2) != 0 )
{
/* `key' is at index -2 and `value' at index -1 */
PlayerNumber pn = (PlayerNumber)luaL_checkint( L, -1 );
m_Def.m_vEnabledForPlayers.insert( pn );
lua_pop( L, 1 ); /* removes `value'; keeps `key' for next iteration */
}
lua_pop( L, 1 );
LUA->Release(L);
}
virtual void LoadInternal( const Commands &cmds )
{
ASSERT( cmds.v.size() == 1 );
@@ -763,29 +801,13 @@ public:
lua_pop( L, 1 ); /* pop choices table */
/* Iterate over the "EnabledForPlayers" table. */
/* Set the EnabledForPlayers function. */
lua_pushstring( L, "EnabledForPlayers" );
lua_gettable( L, -2 );
if( !lua_isnil( L, -1 ) )
{
if( !lua_istable( L, -1 ) )
RageException::Throw( "\"%s\" \"EnabledForPlayers\" is not a table", sLuaFunction.c_str() );
m_Def.m_vEnabledForPlayers.clear(); // and fill in with supplied PlayerNumbers below
lua_pushnil( L );
while( lua_next(L, -2) != 0 )
{
/* `key' is at index -2 and `value' at index -1 */
PlayerNumber pn = (PlayerNumber)luaL_checkint( L, -1 );
m_Def.m_vEnabledForPlayers.insert( pn );
lua_pop( L, 1 ); /* removes `value'; keeps `key' for next iteration */
}
}
lua_pop( L, 1 ); /* pop EnabledForPlayers table */
if( !lua_isfunction( L, -1 ) && !lua_isnil( L, -1 ) )
RageException::Throw( "\"%s\" \"EnabledForPlayers\" is not a table", sLuaFunction.c_str() );
m_EnabledForPlayersFunc.SetFromStack( L );
SetEnabledForPlayers();
/* Iterate over the "ReloadRowMessages" table. */
lua_pushstring( L, "ReloadRowMessages" );
@@ -827,52 +849,13 @@ public:
LUA->Release(L);
}
virtual bool Reload()
virtual ReloadChanged Reload()
{
Lua *L = LUA->Get();
/* Run the Lua expression. It should return a table. */
const Command &command = m_cmds.v[0];
RString sLuaFunction = command.m_vsArgs[1];
m_pLuaTable->SetFromExpression( sLuaFunction );
if( m_pLuaTable->GetLuaType() != LUA_TTABLE )
RageException::Throw( "Result of \"%s\" is not a table", sLuaFunction.c_str() );
m_pLuaTable->PushSelf( L );
/* Iterate over the "EnabledForPlayers" table. */
lua_pushstring( L, "EnabledForPlayers" );
lua_gettable( L, -2 );
if( !lua_isnil( L, -1 ) )
{
if( !lua_istable( L, -1 ) )
RageException::Throw( "\"%s\" \"EnabledForPlayers\" is not a table", sLuaFunction.c_str() );
m_Def.m_vEnabledForPlayers.clear(); // and fill in with supplied PlayerNumbers below
lua_pushnil( L );
while( lua_next(L, -2) != 0 )
{
/* `key' is at index -2 and `value' at index -1 */
PlayerNumber pn = (PlayerNumber)luaL_checkint( L, -1 );
m_Def.m_vEnabledForPlayers.insert( pn );
lua_pop( L, 1 ); /* removes `value'; keeps `key' for next iteration */
}
}
lua_pop( L, 1 ); /* pop EnabledForPlayers table */
lua_pop( L, 1 ); /* pop main table */
ASSERT( lua_gettop(L) == 0 );
LUA->Release(L);
return true;
SetEnabledForPlayers();
return RELOAD_CHANGED_ENABLED;
}
virtual void ImportOption( const vector<PlayerNumber> &vpns, vector<bool> vbSelectedOut[NUM_PLAYERS] ) const
{
Lua *L = LUA->Get();