static LuaPlus::LuaObject Wrap(Vec3 vector){
LuaPlus::LuaObject vecObj;
vecObj.AssignNewTable(LuaManager::Get()->GetState());
vecObj.SetNumber("x", vector.x);
vecObj.SetNumber("y", vector.y);
vecObj.SetNumber("z", vector.z);
return vecObj;
}
// apply torque to an object from lua
void LuaInternalScriptExports::ApplyTorque(LuaPlus::LuaObject axisLua, float force, int gameObjectId)
{
if (axisLua.IsTable())
{
Vec3 axis(axisLua["x"].GetFloat(), axisLua["y"].GetFloat(), axisLua["z"].GetFloat());
g_pApp->m_pGame->GetGamePhysics()->ApplyTorque(axis, force, gameObjectId);
return;
}
CB_ERROR("Invalid object passed to ApplyForce(). Type = " + std::string(axisLua.TypeName()));
}
void LuaScriptExports::registerScripts( void )
{
LuaPlus::LuaObject globals = LuaStateManager::instance()->getGlobalVars();
// Init
InternalLuaScriptExports::init();
// Resource loading
globals.RegisterDirect("loadAndExecuteScriptResource",InternalLuaScriptExports::loadAndExecutreScriptResource);
// Process manager
globals.RegisterDirect("attachProcess",&InternalLuaScriptExports::attachScriptProcess);
// Event system
globals.RegisterDirect("registerEventListener", &InternalLuaScriptExports::registerEventListener);
globals.RegisterDirect("removeEventListener", &InternalLuaScriptExports::removeEventListener);
globals.RegisterDirect("queueEvent", &InternalLuaScriptExports::queueEvent);
globals.RegisterDirect("triggerEvent", &InternalLuaScriptExports::triggerEvent);
// Actors
globals.RegisterDirect("createActor", &InternalLuaScriptExports::createActor);
// Lua log
globals.RegisterDirect("log",&InternalLuaScriptExports::lualog);
}
static LuaPlus::LuaObject Wrap(Quat quat){
LuaPlus::LuaObject quatObj;
quatObj.AssignNewTable(LuaManager::Get()->GetState());
quatObj.SetNumber("w", quat.w);
quatObj.SetNumber("x", quat.x);
quatObj.SetNumber("y", quat.y);
quatObj.SetNumber("z", quat.z);
return quatObj;
}
// write to the log from lua script
void LuaInternalScriptExports::LuaLog(LuaPlus::LuaObject text)
{
if (text.IsConvertibleToString())
{
CB_LOG("Lua", text.ToString());
}
else
{
CB_LOG("Lua", "<" + std::string(text.TypeName()) + ">");
}
}
void ant::InternalLuaScriptExports::lualog( LuaPlus::LuaObject text )
{
if (text.IsConvertibleToString())
{
GCC_LOG("Lua",text.ToString());
}
else
{
GCC_LOG("Lua","<" + std::string(text.TypeName()) + ">");
}
}
LuaPlus::LuaObject BaseScriptComponent::GetLookAt(void) const
{
LuaPlus::LuaObject ret;
shared_ptr<TransformComponent> pTransformComponent = MakeStrongPtr(m_pOwner->GetComponent<TransformComponent>(TransformComponent::g_Name));
if (pTransformComponent)
LuaStateManager::Get()->ConvertVec3ToTable(pTransformComponent->GetLookAt(), ret);
else
ret.AssignNil(LuaStateManager::Get()->GetLuaState());
return ret;
}
void InternalScriptExports::AttachScriptProcess(LuaPlus::LuaObject scriptProcess)
{
LuaPlus::LuaObject temp = scriptProcess.Lookup("__object");
if (!temp.IsNil())
{
shared_ptr<Process> pProcess(static_cast<Process*>(temp.GetLightUserData()));
g_pApp->m_pGame->AttachProcess(pProcess);
}
else
{
GCC_ERROR("Couldn't find __object in script process");
}
}
// get the y rotation in radians from a lua vec3
float LuaInternalScriptExports::GetYRotationFromVector(LuaPlus::LuaObject vec3)
{
// make sure vec3 is a table
if (vec3.IsTable())
{
Vec3 lookAt(vec3["x"].GetFloat(), vec3["y"].GetFloat(), vec3["z"].GetFloat());
// use the GetYRotationFromVector from math.h
return ::GetYRotationFromVector(lookAt);
}
CB_ERROR("Invalid object passed to GetYRotationFromVector(); type = " + std::string(vec3.TypeName()));
return 0;
}
void ant::InternalLuaScriptExports::attachScriptProcess( LuaPlus::LuaObject scriptProcess )
{
LuaPlus::LuaObject temp = scriptProcess.Lookup("__object");
if (!temp.IsNil())
{
IProcessStrongPtr pProcess(static_cast<IProcess*>(temp.GetLightUserData()));
ProcessManagerSingleton::instance()->getProcessManager()->attachProcess(pProcess);
}
else
{
GCC_ERROR("Could not find __object in script proces");
}
}
LuaPlus::LuaObject LuaScriptComponent::GetPos()
{
// return the objects position to lua
LuaPlus::LuaObject ret;
shared_ptr<TransformComponent> pTransformComponent = MakeStrongPtr(m_pOwner->GetComponent<TransformComponent>(TransformComponent::g_Name));
if (pTransformComponent)
LuaStateManager::Get()->ConvertVec3ToTable(pTransformComponent->GetPosition(), ret);
else
ret.AssignNil(LuaStateManager::Get()->GetLuaState());
return ret;
}
//---------------------------------------------------------------------------------------------------------------------
// This function is called to register an event type with the script to link them. The simplest way to do this is
// with the REGISTER_SCRIPT_EVENT() macro, which calls this function.
//---------------------------------------------------------------------------------------------------------------------
void ScriptEvent::RegisterEventTypeWithScript(const char* key, EventType type)
{
// get or create the EventType table
LuaPlus::LuaObject eventTypeTable = LuaStateManager::Get()->GetGlobalVars().GetByName("EventType");
if (eventTypeTable.IsNil())
eventTypeTable = LuaStateManager::Get()->GetGlobalVars().CreateTable("EventType");
// error checking
GCC_ASSERT(eventTypeTable.IsTable());
GCC_ASSERT(eventTypeTable[key].IsNil());
// add the entry
eventTypeTable.SetNumber(key, (double)type);
}
// create a lua vec3 table from an angle in radians
LuaPlus::LuaObject LuaInternalScriptExports::GetVectorFromRotation(float angleRadians)
{
// use the GetVectorFromYRotation from math.h
Vec3 result = ::GetVectorFromYRotation(angleRadians);
// create a lua vec3 table from the result
LuaPlus::LuaObject luaResult;
luaResult.AssignNewTable(LuaStateManager::Get()->GetLuaState());
luaResult.SetNumber("x", result.x);
luaResult.SetNumber("y", result.y);
luaResult.SetNumber("z", result.z);
return luaResult;
}
void BaseScriptComponent::CreateScriptObject(void)
{
LuaStateManager* pStateMgr = LuaStateManager::Get();
AC_ASSERT(pStateMgr);
AC_ASSERT(!m_scriptObject.IsNil());
LuaPlus::LuaObject metaTableObj = pStateMgr->GetGlobalVars().Lookup(METATABLE_NAME);
AC_ASSERT(!metaTableObj.IsNil());
LuaPlus::LuaObject boxedPtr = pStateMgr->GetLuaState()->BoxPointer(this);
boxedPtr.SetMetaTable(metaTableObj);
m_scriptObject.SetLightUserData("__object", this);
m_scriptObject.SetMetaTable(metaTableObj);
}
void LuaScriptEventManager::RegisterEventTransformer(LuaScriptEventTransformation transformer, EventType type, LPCSTR name)
{
LuaScript* luas = (LuaScript*)chimera::g_pApp->GetScript();
LuaPlus::LuaObject table = luas->GetState()->GetGlobals().GetByName("EventType");
if(table.IsNil())
{
table = luas->GetState()->GetGlobals().CreateTable("EventType");
}
table.SetNumber(name, type);
m_transformMap[type] = transformer;
}
void LuaScriptComponent::CreateScriptObject()
{
LuaStateManager* pStateManager = LuaStateManager::Get();
CB_ASSERT(pStateManager);
CB_ASSERT(!m_ScriptObject.IsNil());
LuaPlus::LuaObject metaTableObj = pStateManager->GetGlobalVars().Lookup(LUA_METATABLE_NAME);
CB_ASSERT(!metaTableObj.IsNil());
// bind the __object field in lua to this object
LuaPlus::LuaObject boxedPtr = pStateManager->GetLuaState()->BoxPointer(this);
boxedPtr.SetMetaTable(metaTableObj);
m_ScriptObject.SetLightUserData("__object", this);
m_ScriptObject.SetMetaTable(metaTableObj);
}
void LuaPlusGCFunction(void* s)
{
lua_State* L = (lua_State*)s;
LuaPlus::LuaState* state = lua_State_To_LuaState(L);
if (!state)
return;
global_State* g = G(L);
LuaPlus::LuaObject* curObj = (LuaPlus::LuaObject*)G(L)->gchead_next;
while (curObj != (LuaPlus::LuaObject*)&G(L)->gctail_next)
{
markvalue(g, curObj->GetTObject());
curObj = *(LuaPlus::LuaObject**)curObj;
}
}
LuaPlus::LuaObject BaseScriptComponent::GetActorId(void)
{
//GCC_LOG("ObjectSystem", "BaseScriptComponent::GetEntityId() return 0x" + ToStr(m_pOwner->GetId(), 16) + " on C++ side");
// [rez] Wtf?? Returning an unsigned int here will produce really odd results in Release mode (debug is
// fine). The number will sometimes get truncated, so 0xb1437643 might become 0xb1437600. Even though the
// C++ side is getting the right number, it gets mangled on the way out to Lua. The somewhat hacky fix here
// is to return a LuaPlus::LuaObject, which seems to work just fine. I'm not sure if this will cause any
// efficiency issues, but I'm guessing the LuaPlus internals do something like this anyway to marshal the
// data back to Lua land, so it's probably okay.
LuaPlus::LuaObject ret;
ret.AssignInteger(LuaStateManager::Get()->GetLuaState(), m_pOwner->GetId());
return ret;
//return m_pOwner->GetId();
}
// /////////////////////////////////////////////////////////////////
//
// /////////////////////////////////////////////////////////////////
LuaStateManager::LuaStateManager(void) : m_GlobalState(true)
{
//Create our metatable...
m_MetaTable = m_GlobalState->GetGlobals().CreateTable("LuaStateManagerMetaTable");
m_MetaTable.SetObject("__index", m_MetaTable);
// Here we register two functions to make them accessible to script.
m_MetaTable.RegisterObjectDirect("DoFile", (LuaStateManager *)0, &LuaStateManager::DoFile);
m_MetaTable.RegisterObjectDirect("DoResourceFile", (LuaStateManager *)0, &LuaStateManager::DoResourceFile);
m_MetaTable.RegisterObjectDirect("PrintDebugMessage", (LuaStateManager *)0, &LuaStateManager::PrintDebugMessage);
LuaPlus::LuaObject luaStateManObj = m_GlobalState->BoxPointer(this);
luaStateManObj.SetMetaTable(m_MetaTable);
// And here we expose the metatable as a named entity.
m_GlobalState->GetGlobals().SetObject("LuaStateManager", luaStateManObj);
}
void BaseScriptComponent::RegisterScriptFunctions(void)
{
// create the metatable
LuaPlus::LuaObject metaTableObj = LuaStateManager::Get()->GetGlobalVars().CreateTable(METATABLE_NAME);
metaTableObj.SetObject("__index", metaTableObj);
// transform component functions
metaTableObj.RegisterObjectDirect("GetActorId", (BaseScriptComponent*)0, &BaseScriptComponent::GetActorId);
metaTableObj.RegisterObjectDirect("GetPos", (BaseScriptComponent*)0, &BaseScriptComponent::GetPos);
metaTableObj.RegisterObjectDirect("SetPos", (BaseScriptComponent*)0, &BaseScriptComponent::SetPos);
metaTableObj.RegisterObjectDirect("GetLookAt", (BaseScriptComponent*)0, &BaseScriptComponent::GetLookAt);
metaTableObj.RegisterObjectDirect("GetYOrientationRadians", (BaseScriptComponent*)0, &BaseScriptComponent::GetYOrientationRadians);
metaTableObj.RegisterObjectDirect("RotateY", (BaseScriptComponent*)0, &BaseScriptComponent::RotateY);
metaTableObj.RegisterObjectDirect("Stop", (BaseScriptComponent*)0, &BaseScriptComponent::Stop);
metaTableObj.RegisterObjectDirect("SetPosition", (BaseScriptComponent*)0, &BaseScriptComponent::SetPosition);
}
bool LoadScene(const std::string &sceneName)
{
std::string fullPath;
fullPath = "Scenes/";
fullPath += sceneName;
fullPath += ".lua";
LuaPlus::LuaStateAuto state;
state = LuaPlus::LuaState::Create();
int retVal = state->DoFile(fullPath.c_str());
_ASSERT(retVal==0);
LuaPlus::LuaObject meshList = state->GetGlobals()["MeshList"];
_ASSERT(meshList.IsTable());
int numMeshes = meshList.GetCount();
for(int meshIndex=1;meshIndex <= meshList.GetCount(); meshIndex++)
{
LuaPlus::LuaObject meshObj = meshList[meshIndex];
LuaPlus::LuaObject nameObj = meshObj["Name"];
_ASSERT(nameObj.IsString());
std::string meshName = nameObj.GetString();
MeshManager::GetInstance().Load(meshName,meshObj);
Instance *inst = InstanceManager::GetInstance().CreateInstance(meshName);
inst->SetMeshName(meshName);
}
return true;
}
// /////////////////////////////////////////////////////////////////
//
// /////////////////////////////////////////////////////////////////
void LuaStateManager::PrintDebugMessage(LuaPlus::LuaObject debugObject)
{
LuaPlus::LuaObject stringObj;
const char * pFinalStr = debugObject.ToString();
// Generate an event.
const EvtData_Debug_String debugEvent((NULL == pFinalStr) ? "INVALID!" : pFinalStr, EvtData_Debug_String::kDST_ScriptMsg);
safeTriggerEvent(debugEvent);
}
void TransformationComponent::RegisterScriptFunction()
{
LuaPlus::LuaObject metaTable = LuaManager::GetSingleton().GetGlobalVars().CreateTable("TransformationComponentMetatable");
metaTable.SetObject("__index", metaTable);
//TODO -> Studente MGD
//Esempio: metaTable.RegisterObjectDirect("NomeFunzioneInLua", (NomeClass*)0, Puntatore a funzione);
// Esporre SetPosition
// Esporre GetPosition
// Esporre Translate
// Esporre LookAt
// Esporre Rotate
// Esporre GetRotateX
// Esporre GetRotateY
// Esporre GetRotateZ
}
void ScriptEventListener::ScriptEventDelegate(IEventDataPtr pEvent)
{
GCC_ASSERT(m_scriptCallbackFunction.IsFunction()); // this should never happen since it's validated before even creating this object
// call the Lua function
shared_ptr<ScriptEvent> pScriptEvent = static_pointer_cast<ScriptEvent>(pEvent);
LuaPlus::LuaFunction<void> Callback = m_scriptCallbackFunction;
Callback(pScriptEvent->GetEventData());
}
void LuaScriptComponent::RegisterScriptFunctions()
{
// create the meta table
LuaPlus::LuaObject metaTableObj = LuaStateManager::Get()->GetGlobalVars().CreateTable(LUA_METATABLE_NAME);
metaTableObj.SetObject("__index", metaTableObj);
// bind functions to lua object
metaTableObj.RegisterObjectDirect("GetObjectId", (LuaScriptComponent*)0, &LuaScriptComponent::GetObjectId);
metaTableObj.RegisterObjectDirect("GetPos", (LuaScriptComponent*)0, &LuaScriptComponent::GetPos);
metaTableObj.RegisterObjectDirect("SetPos", (LuaScriptComponent*)0, &LuaScriptComponent::SetPos);
metaTableObj.RegisterObjectDirect("GetLookAt", (LuaScriptComponent*)0, &LuaScriptComponent::GetLookAt);
metaTableObj.RegisterObjectDirect("GetYOrientationRadians", (LuaScriptComponent*)0, &LuaScriptComponent::GetYOrientationRadians);
metaTableObj.RegisterObjectDirect("RotateY", (LuaScriptComponent*)0, &LuaScriptComponent::RotateY);
metaTableObj.RegisterObjectDirect("Stop", (LuaScriptComponent*)0, &LuaScriptComponent::Stop);
metaTableObj.RegisterObjectDirect("SetPosition", (LuaScriptComponent*)0, &LuaScriptComponent::SetPosition);
}
void AEngineFramework::Desc::deserialize(lua::State* luaState, const LuaPlus::LuaObject& src){
// Logging
LuaObject loggingTable = src.Get("logging");
if(loggingTable.IsTable()){
luaConv(loggingTable.Get("filePath"), logging.filePath);
luaConv(loggingTable.Get("enabled"), logging.enabled);
}
// Layout
LuaObject windowTable = src.Get("window");
window.deserialize(luaState, windowTable);
// File system
LuaObject fileSysTable = src.Get("file_system");
fileSystem.deserialize(luaState, fileSysTable);
// Misc
luaConv(src.Get("home_dir"), homeDir);
luaConv(src.Get("main_loop_step"), mainLoopStep);
}
float InternalScriptExports::GetYRotationFromVector(LuaPlus::LuaObject vec3)
{
if (vec3.IsTable())
{
Vec3 lookAt(vec3["x"].GetFloat(), vec3["y"].GetFloat(), vec3["z"].GetFloat());
return ::GetYRotationFromVector(lookAt);
}
GCC_ERROR("Invalid object passed to GetYRotationFromVector(); type = " + std::string(vec3.TypeName()));
return 0;
}
bool EvtData_EndAccelerating::buildEventFromScript(void)
{
if (m_eventData.IsTable())
{
// ID
LuaPlus::LuaObject temp = m_eventData.GetByName("id");
if (temp.IsInteger())
{
m_id = temp.GetInteger();
}
else
{
GCC_ERROR("Invalid id sent to EvtData_EndAccelerating; type = " + std::string(temp.TypeName()));
return false;
}
return true;
}
return false;
}
// /////////////////////////////////////////////////////////////////
//
// /////////////////////////////////////////////////////////////////
bool SetVector3FromLua(const LuaPlus::LuaObject &dirData, Vector3 &direction)
{
if(!dirData.IsTable()) {
return (false);
}
LuaPlus::LuaObject xData = dirData["x"];
LuaPlus::LuaObject yData = dirData["y"];
LuaPlus::LuaObject zData = dirData["z"];
if(!xData.IsNumber() || !yData.IsNumber() || !zData.IsNumber()) {
return (false);
}
F32 x = static_cast<F32>(xData.GetNumber());
F32 y = static_cast<F32>(yData.GetNumber());
F32 z = static_cast<F32>(zData.GetNumber());
direction.Set(x, y, z);
return (true);
}
// /////////////////////////////////////////////////////////////////
//
// /////////////////////////////////////////////////////////////////
bool SetPoint3FromLua(const LuaPlus::LuaObject &posData, Point3 &position)
{
if(!posData.IsTable()) {
return (false);
}
LuaPlus::LuaObject xData = posData["x"];
LuaPlus::LuaObject yData = posData["y"];
LuaPlus::LuaObject zData = posData["z"];
if(!xData.IsNumber() || !yData.IsNumber() || !zData.IsNumber()) {
return (false);
}
F32 x = static_cast<F32>(xData.GetNumber());
F32 y = static_cast<F32>(yData.GetNumber());
F32 z = static_cast<F32>(zData.GetNumber());
position.Set(x, y, z);
return (true);
}
