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ActorCommands is a LuaReference

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This commit is contained in:
Glenn Maynard
2005-02-13 04:07:29 +00:00
parent 40f82442b0
commit 11002ff5b2
2 changed files with 5 additions and 94 deletions
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stepmania/src/ActorCommands.cpp
+3 -81
View File
@@ -4,71 +4,20 @@
#include "Foreach.h"
#include "RageUtil.h"
#include <sstream>
#include "LuaManager.h"
#include "LuaBinding.h"
#include "SubscriptionManager.h"
template<>
set<ActorCommands*>* SubscriptionManager<ActorCommands>::s_pSubscribers = NULL;
ActorCommands::ActorCommands( const Commands& cmds )
{
SubscriptionManager<ActorCommands>::Subscribe( this );
m_cmds = cmds;
m_iLuaFunction = LUA_NOREF;
Register();
}
ActorCommands::~ActorCommands()
{
SubscriptionManager<ActorCommands>::Unsubscribe( this );
Unregister();
}
ActorCommands::ActorCommands( const ActorCommands& cpy )
{
SubscriptionManager<ActorCommands>::Subscribe( this );
/* Make a new reference. */
lua_rawgeti( LUA->L, LUA_REGISTRYINDEX, cpy.m_iLuaFunction );
m_iLuaFunction = luaL_ref( LUA->L, LUA_REGISTRYINDEX );
}
ActorCommands &ActorCommands::operator=( const ActorCommands& cpy )
{
if( this == &cpy )
return *this;
Unregister();
/* Make a new reference. */
lua_rawgeti( LUA->L, LUA_REGISTRYINDEX, cpy.m_iLuaFunction );
m_iLuaFunction = luaL_ref( LUA->L, LUA_REGISTRYINDEX );
return *this;
}
void ActorCommands::PushSelf( lua_State *L ) const
{
ASSERT( m_iLuaFunction != LUA_NOREF );
if( m_iLuaFunction != LUA_REFNIL )
lua_rawgeti( LUA->L, LUA_REGISTRYINDEX, m_iLuaFunction );
else
LUA->PushNopFunction();
ASSERT_M( !lua_isnil(L, -1), ssprintf("%i", m_iLuaFunction) )
}
void ActorCommands::Register()
{
if( m_cmds.v.size() == 0 )
{
m_iLuaFunction = LUA_REFNIL;
LUA->PushNopFunction();
this->SetFromStack();
return;
}
@@ -132,34 +81,7 @@ void ActorCommands::Register()
LUA->RunScript( s2, 1 );
/* The function is now on the stack. */
m_iLuaFunction = luaL_ref( LUA->L, LUA_REGISTRYINDEX );
}
void ActorCommands::Unregister()
{
if( LUA == NULL )
return; // nothing to do
luaL_unref( LUA->L, LUA_REGISTRYINDEX, m_iLuaFunction );
m_iLuaFunction = LUA_NOREF;
}
void ActorCommands::ReRegister()
{
/* When called, the Lua state has been wiped. Don't try to unregister our old
* function reference, since it's already gone (and the number may point somewhere
* else). */
m_iLuaFunction = LUA_NOREF;
Register();
}
void ActorCommands::ReRegisterAll()
{
if( SubscriptionManager<ActorCommands>::s_pSubscribers == NULL )
return;
FOREACHS( ActorCommands*, *SubscriptionManager<ActorCommands>::s_pSubscribers, p )
(*p)->ReRegister();
this->SetFromStack();
}
stepmania/src/ActorCommands.h
+2 -13
View File
@@ -5,28 +5,17 @@
#include "RageUtil_AutoPtr.h"
#include "Command.h"
#include "LuaReference.h"
struct lua_State;
class ActorCommands
class ActorCommands: public LuaReference
{
public:
ActorCommands( const Commands& cmds );
~ActorCommands();
ActorCommands( const ActorCommands& cpy );
ActorCommands &operator=( const ActorCommands& cpy );
void PushSelf( lua_State *L ) const;
static void ReRegisterAll(); // call this after resetting Lua
private:
void Register();
void ReRegister();
void Unregister();
Commands m_cmds;
int m_iLuaFunction;
};
typedef AutoPtrCopyOnWrite<ActorCommands> apActorCommands;