MinecraftConsoles/Minecraft.Client/Common/UI/UILayer.cpp

#include "stdafx.h"
#include "UI.h"
#include "UILayer.h"
#include "UIScene.h"

UILayer::UILayer(UIGroup *parent)
{
	m_parentGroup = parent;
	m_hasFocus = false;
	m_bMenuDisplayed = false;
	m_bPauseMenuDisplayed = false;
	m_bContainerMenuDisplayed = false;
	m_bIgnoreAutosaveMenuDisplayed = false;
	m_bIgnorePlayerJoinMenuDisplayed = false;
}

void UILayer::tick()
{
	// Delete old scenes - deleting a scene can cause a new scene to be deleted, so we need to make a copy of the scenes that we are going to try and destroy this tick
	vector<UIScene *>scenesToDeleteCopy;
	for( AUTO_VAR(it,m_scenesToDelete.begin()); it != m_scenesToDelete.end(); it++)
	{
		UIScene *scene = (*it);
		scenesToDeleteCopy.push_back(scene);
	}
	m_scenesToDelete.clear();

	// Delete the scenes in our copy if they are ready to delete, otherwise add back to the ones that are still to be deleted. Actually deleting a scene might also add something back into m_scenesToDelete.
	for( AUTO_VAR(it,scenesToDeleteCopy.begin()); it != scenesToDeleteCopy.end(); it++)
	{
		UIScene *scene = (*it);
		if( scene->isReadyToDelete())
		{
			delete scene;
		}
		else
		{
			m_scenesToDelete.push_back(scene);
		}
	}
	
	while (!m_scenesToDestroy.empty())
	{
		UIScene *scene = m_scenesToDestroy.back();
		m_scenesToDestroy.pop_back();
		scene->destroyMovie();
	}
	m_scenesToDestroy.clear();
	
	for(AUTO_VAR(it,m_components.begin()); it != m_components.end(); ++it)
	{
		(*it)->tick();
	}
	// Note: reverse iterator, the last element is the top of the stack
	int sceneIndex = m_sceneStack.size() - 1;	
	//for(AUTO_VAR(it,m_sceneStack.rbegin()); it != m_sceneStack.rend(); ++it)
	while( sceneIndex >= 0 && sceneIndex < m_sceneStack.size() )
	{
		//(*it)->tick();
		UIScene *scene = m_sceneStack[sceneIndex];
		scene->tick();
		--sceneIndex;
		// TODO: We may wish to ignore ticking the rest of the stack based on this scene
	}
}

void UILayer::render(S32 width, S32 height, C4JRender::eViewportType viewport)
{
	if(!ui.IsExpectingOrReloadingSkin())
	{
	for(AUTO_VAR(it,m_components.begin()); it != m_components.end(); ++it)
	{
		AUTO_VAR(itRef,m_componentRefCount.find((*it)->getSceneType()));
		if(itRef != m_componentRefCount.end() && itRef->second.second)
		{
				if((*it)->isVisible() )
			{
				PIXBeginNamedEvent(0, "Rendering component %d", (*it)->getSceneType() );
				(*it)->render(width, height,viewport);
				PIXEndNamedEvent();
			}
		}
	}
	}
	if(!m_sceneStack.empty())
	{
		int lowestRenderable = m_sceneStack.size() - 1;
		for(;lowestRenderable >= 0; --lowestRenderable)
		{
			if(m_sceneStack[lowestRenderable]->hidesLowerScenes()) break;
		}
		if(lowestRenderable < 0) lowestRenderable = 0;
		for(;lowestRenderable < m_sceneStack.size(); ++lowestRenderable)
		{
			if(m_sceneStack[lowestRenderable]->isVisible() && (!ui.IsExpectingOrReloadingSkin() || m_sceneStack[lowestRenderable]->getSceneType()==eUIScene_Timer))
			{
				PIXBeginNamedEvent(0, "Rendering scene %d", m_sceneStack[lowestRenderable]->getSceneType() );
				m_sceneStack[lowestRenderable]->render(width, height,viewport);
				PIXEndNamedEvent();
			}
		}
	}
}

bool UILayer::IsSceneInStack(EUIScene scene)
{
	bool inStack = false;
	for(int i = m_sceneStack.size() - 1;i >= 0; --i)
	{
		if(m_sceneStack[i]->getSceneType() == scene)
		{
			inStack = true;
			break;
		}
	}
	return inStack;
}

bool UILayer::HasFocus(int iPad)
{
	bool hasFocus = false;
	if(m_hasFocus)
	{
		for(int i = m_sceneStack.size() - 1;i >= 0; --i)
		{
			if(m_sceneStack[i]->stealsFocus() )
			{
				if(m_sceneStack[i]->hasFocus(iPad))
				{
					hasFocus = true;
				}
				break;
			}
		}
	}
	return hasFocus;
}

bool UILayer::hidesLowerScenes()
{
	bool hidesScenes = false;
	for(AUTO_VAR(it,m_components.begin()); it != m_components.end(); ++it)
	{
		if((*it)->hidesLowerScenes())
		{
			hidesScenes = true;
			break;
		}
	}
	if(!hidesScenes && !m_sceneStack.empty())
	{
		for(int i = m_sceneStack.size() - 1;i >= 0; --i)
		{
			if(m_sceneStack[i]->hidesLowerScenes())
			{
				hidesScenes = true;
				break;
			}
		}
	}
	return hidesScenes;
}

void UILayer::getRenderDimensions(S32 &width, S32 &height)
{
	m_parentGroup->getRenderDimensions(width, height);
}

void UILayer::DestroyAll()
{
	for(AUTO_VAR(it,m_components.begin()); it != m_components.end(); ++it)
	{
		(*it)->destroyMovie();
	}
	for(AUTO_VAR(it, m_sceneStack.begin()); it != m_sceneStack.end(); ++it)
	{
		(*it)->destroyMovie();
	}
}

void UILayer::ReloadAll(bool force)
{
	for(AUTO_VAR(it,m_components.begin()); it != m_components.end(); ++it)
	{
		(*it)->reloadMovie(force);
	}
	if(!m_sceneStack.empty())
	{
		int lowestRenderable = 0;
		for(;lowestRenderable < m_sceneStack.size(); ++lowestRenderable)
		{
			m_sceneStack[lowestRenderable]->reloadMovie();
		}
	}
}

bool UILayer::GetMenuDisplayed()
{
	return m_bMenuDisplayed;
}

bool UILayer::NavigateToScene(int iPad, EUIScene scene, void *initData)
{
	UIScene *newScene = NULL;
	switch(scene)
	{
		// Debug
#ifdef _DEBUG_MENUS_ENABLED
	case eUIScene_DebugOverlay:
		newScene = new UIScene_DebugOverlay(iPad, initData, this);
		break;
	case eUIScene_DebugSetCamera:
		newScene = new UIScene_DebugSetCamera(iPad, initData, this);
		break;
	case eUIScene_DebugCreateSchematic:
		newScene = new UIScene_DebugCreateSchematic(iPad, initData, this);
		break;
#endif
	case eUIScene_DebugOptions:
		newScene = new UIScene_DebugOptionsMenu(iPad, initData, this);
		break;

		// Containers
	case eUIScene_InventoryMenu:
		newScene = new UIScene_InventoryMenu(iPad, initData, this);
		break;
	case eUIScene_CreativeMenu:
		newScene = new UIScene_CreativeMenu(iPad, initData, this);
		break;
	case eUIScene_ContainerMenu:
	case eUIScene_LargeContainerMenu:
		newScene = new UIScene_ContainerMenu(iPad, initData, this);
		break;
	case eUIScene_BrewingStandMenu:
		newScene = new UIScene_BrewingStandMenu(iPad, initData, this);
		break;
	case eUIScene_DispenserMenu:
		newScene = new UIScene_DispenserMenu(iPad, initData, this);
		break;
	case eUIScene_EnchantingMenu:
		newScene = new UIScene_EnchantingMenu(iPad, initData, this);
		break;
	case eUIScene_FurnaceMenu:
		newScene = new UIScene_FurnaceMenu(iPad, initData, this);
		break;
	case eUIScene_Crafting2x2Menu:
	case eUIScene_Crafting3x3Menu:
		newScene = new UIScene_CraftingMenu(iPad, initData, this);
		break;
	case eUIScene_TradingMenu:
		newScene = new UIScene_TradingMenu(iPad, initData, this);
		break;
	case eUIScene_AnvilMenu:
		newScene = new UIScene_AnvilMenu(iPad, initData, this);
		break;

		// Help and Options
	case eUIScene_HelpAndOptionsMenu:
		newScene = new UIScene_HelpAndOptionsMenu(iPad, initData, this);
		break;
	case eUIScene_SettingsMenu:
		newScene = new UIScene_SettingsMenu(iPad, initData, this);
		break;
	case eUIScene_SettingsOptionsMenu:
		newScene = new UIScene_SettingsOptionsMenu(iPad, initData, this);
		break;
	case eUIScene_SettingsAudioMenu:
		newScene = new UIScene_SettingsAudioMenu(iPad, initData, this);
		break;
	case eUIScene_SettingsControlMenu:
		newScene = new UIScene_SettingsControlMenu(iPad, initData, this);
		break;
	case eUIScene_SettingsGraphicsMenu:
		newScene = new UIScene_SettingsGraphicsMenu(iPad, initData, this);
		break;
	case eUIScene_SettingsUIMenu:
		newScene = new UIScene_SettingsUIMenu(iPad, initData, this);
		break;
	case eUIScene_SkinSelectMenu:
		newScene = new UIScene_SkinSelectMenu(iPad, initData, this);
		break;
	case eUIScene_HowToPlayMenu:
		newScene = new UIScene_HowToPlayMenu(iPad, initData, this);
		break;
	case eUIScene_HowToPlay:
		newScene = new UIScene_HowToPlay(iPad, initData, this);
		break;
	case eUIScene_ControlsMenu:
		newScene = new UIScene_ControlsMenu(iPad, initData, this);
		break;
	case eUIScene_ReinstallMenu:
		newScene = new UIScene_ReinstallMenu(iPad, initData, this);
		break;
	case eUIScene_Credits:
		newScene = new UIScene_Credits(iPad, initData, this);
		break;


		// Other in-game
	case eUIScene_PauseMenu:
		newScene = new UIScene_PauseMenu(iPad, initData, this);
		break;
	case eUIScene_DeathMenu:
		newScene = new UIScene_DeathMenu(iPad, initData, this);
		break;
	case eUIScene_ConnectingProgress:
		newScene = new UIScene_ConnectingProgress(iPad, initData, this);
		break;
	case eUIScene_SignEntryMenu:
		newScene = new UIScene_SignEntryMenu(iPad, initData, this);
		break;
	case eUIScene_InGameInfoMenu:
		newScene = new UIScene_InGameInfoMenu(iPad, initData, this);
		break;
	case eUIScene_InGameHostOptionsMenu:
		if (IsSceneInStack(eUIScene_InGameHostOptionsMenu)) {
			app.DebugPrintf("Skipped eUIScene_InGameHostOptionsMenu, we have already this tab!");
			return false;
		}
		newScene = new UIScene_InGameHostOptionsMenu(iPad, initData, this);
		break;
	case eUIScene_InGamePlayerOptionsMenu:
		newScene = new UIScene_InGamePlayerOptionsMenu(iPad, initData, this);
		break;
#if defined(_XBOX_ONE) || defined(__ORBIS__)
	case eUIScene_InGameSaveManagementMenu:
		newScene = new UIScene_InGameSaveManagementMenu(iPad, initData, this);
		break;
#endif
	case eUIScene_TeleportMenu:
		newScene = new UIScene_TeleportMenu(iPad, initData, this);
		break;
	case eUIScene_EndPoem:
		if(IsSceneInStack(eUIScene_EndPoem))
		{
			app.DebugPrintf("Skipped EndPoem as one was already showing\n");
			return false;
		}
		else
		{
			newScene = new UIScene_EndPoem(iPad, initData, this);
		}
		break;


		// Frontend
	case eUIScene_TrialExitUpsell:
		newScene = new UIScene_TrialExitUpsell(iPad, initData, this);
		break;
	case eUIScene_Intro:
		newScene = new UIScene_Intro(iPad, initData, this);
		break;
	case eUIScene_SaveMessage:
		newScene = new UIScene_SaveMessage(iPad, initData, this);
		break;
	case eUIScene_MainMenu:
		newScene = new UIScene_MainMenu(iPad, initData, this);
		break;
	case eUIScene_LoadOrJoinMenu:
		newScene = new UIScene_LoadOrJoinMenu(iPad, initData, this);
		break;
	case eUIScene_LoadMenu:
		newScene = new UIScene_LoadMenu(iPad, initData, this);
		break;
	case eUIScene_JoinMenu:
		newScene = new UIScene_JoinMenu(iPad, initData, this);
		break;
	case eUIScene_CreateWorldMenu:
		newScene = new UIScene_CreateWorldMenu(iPad, initData, this);
		break;
	case eUIScene_LaunchMoreOptionsMenu:
		newScene = new UIScene_LaunchMoreOptionsMenu(iPad, initData, this);
		break;
	case eUIScene_FullscreenProgress:
		newScene = new UIScene_FullscreenProgress(iPad, initData, this);
		break;
	case eUIScene_LeaderboardsMenu:
		newScene = new UIScene_LeaderboardsMenu(iPad, initData, this);
		break;
	case eUIScene_DLCMainMenu:
		newScene = new UIScene_DLCMainMenu(iPad, initData, this);
		break;
	case eUIScene_DLCOffersMenu:
		newScene = new UIScene_DLCOffersMenu(iPad, initData, this);
		break;
	case eUIScene_EULA:
		newScene = new UIScene_EULA(iPad, initData, this);
		break;

		// Other
	case eUIScene_Keyboard:
		newScene = new UIScene_Keyboard(iPad, initData, this);
		break;
	case eUIScene_QuadrantSignin:
		newScene = new UIScene_QuadrantSignin(iPad, initData, this);
		break;
	case eUIScene_MessageBox:
		if(IsSceneInStack(eUIScene_MessageBox))
		{
			app.DebugPrintf("Skipped MessageBox as one was already showing\n");
			return false;
		}
		else
		{
			newScene = new UIScene_MessageBox(iPad, initData, this);
		}
		break;
	case eUIScene_Timer:
		newScene = new UIScene_Timer(iPad, initData, this);
		break;
	};

	if(newScene == NULL)
	{
		app.DebugPrintf("WARNING: Scene %d was not created. Add it to UILayer::NavigateToScene\n", scene);
		return false;
	}

	if(m_sceneStack.size() > 0)
	{
		newScene->setBackScene(m_sceneStack[m_sceneStack.size()-1]);
	}

	m_sceneStack.push_back(newScene);
	
	updateFocusState();
	
	newScene->tick();

	return true;
}

bool UILayer::NavigateBack(int iPad, EUIScene eScene)
{
	if(m_sceneStack.size() == 0) return false;

	bool navigated = false;
	if(eScene < eUIScene_COUNT)
	{
		UIScene *scene = NULL;
		do
		{
			scene = m_sceneStack.back();
			if(scene->getSceneType() == eScene)
			{
				navigated = true;
				break;
			}
			else
			{
				if(scene->hasFocus(iPad))
				{
					removeScene(scene);
				}
				else
				{
					// No focus on the top scene, so this use shouldn't be navigating!
					break;
				}
			}
		} while(m_sceneStack.size() > 0);

	}
	else
	{
		UIScene *scene = m_sceneStack.back();
		if(scene->hasFocus(iPad))
		{
			removeScene(scene);
			navigated = true;
		}
	}
	return navigated;
}

void UILayer::showComponent(int iPad, EUIScene scene, bool show)
{
	AUTO_VAR(it,m_componentRefCount.find(scene));
	if(it != m_componentRefCount.end())
	{
		it->second.second = show;
		return;
	}
	if(show) addComponent(iPad,scene);
}

bool UILayer::isComponentVisible(EUIScene scene)
{
	bool visible = false;
	AUTO_VAR(it,m_componentRefCount.find(scene));
	if(it != m_componentRefCount.end())
	{
		visible = it->second.second;
	}
	return visible;
}

UIScene *UILayer::addComponent(int iPad, EUIScene scene, void *initData)
{
	AUTO_VAR(it,m_componentRefCount.find(scene));
	if(it != m_componentRefCount.end())
	{
		++it->second.first;

		for(AUTO_VAR(itComp,m_components.begin()); itComp != m_components.end(); ++itComp)
		{
			if( (*itComp)->getSceneType() == scene )
			{
				return *itComp;
			}
		}
		return NULL;
	}
	UIScene *newScene = NULL;

	switch(scene)
	{
	case eUIComponent_Panorama:
		newScene = new UIComponent_Panorama(iPad, initData, this);
		m_componentRefCount[scene] = pair<int,bool>(1,true);
		break;
	case eUIComponent_DebugUIConsole:
		newScene = new UIComponent_DebugUIConsole(iPad, initData, this);
		m_componentRefCount[scene] = pair<int,bool>(1,true);
		break;
	case eUIComponent_DebugUIMarketingGuide:
		newScene = new UIComponent_DebugUIMarketingGuide(iPad, initData, this);
		m_componentRefCount[scene] = pair<int,bool>(1,true);
		break;
	case eUIComponent_Logo:
		newScene = new UIComponent_Logo(iPad, initData, this);
		m_componentRefCount[scene] = pair<int,bool>(1,true);
		break;
	case eUIComponent_Tooltips:
		newScene = new UIComponent_Tooltips(iPad, initData, this);
		m_componentRefCount[scene] = pair<int,bool>(1,true);
		break;
	case eUIComponent_TutorialPopup:
		newScene = new UIComponent_TutorialPopup(iPad, initData, this);
		// Start hidden
		m_componentRefCount[scene] = pair<int,bool>(1,false);
		break;
	case eUIScene_HUD:
		newScene = new UIScene_HUD(iPad, initData, this);
		// Start hidden
		m_componentRefCount[scene] = pair<int,bool>(1,false);
		break;
	case eUIComponent_Chat:
		newScene = new UIComponent_Chat(iPad, initData, this);
		m_componentRefCount[scene] = pair<int,bool>(1,true);
		break;
	case eUIComponent_PressStartToPlay:
		newScene = new UIComponent_PressStartToPlay(iPad, initData, this);
		m_componentRefCount[scene] = pair<int,bool>(1,true);
		break;
	case eUIComponent_MenuBackground:
		newScene = new UIComponent_MenuBackground(iPad, initData, this);
		m_componentRefCount[scene] = pair<int,bool>(1,true);
		break;
	};

	if(newScene == NULL) return NULL;

	m_components.push_back(newScene);

	return newScene;
}

void UILayer::removeComponent(EUIScene scene)
{
	AUTO_VAR(it,m_componentRefCount.find(scene));
	if(it != m_componentRefCount.end())
	{
		--it->second.first;

		if(it->second.first <= 0)
		{
			m_componentRefCount.erase(it);
			for(AUTO_VAR(compIt, m_components.begin()) ; compIt != m_components.end(); )
			{
				if( (*compIt)->getSceneType() == scene)
				{
#ifdef __PSVITA__
					// remove any touchboxes
					ui.TouchBoxesClear((*compIt));
#endif
					m_scenesToDelete.push_back((*compIt));
					(*compIt)->handleDestroy(); // For anything that might require the pointer be valid
					compIt = m_components.erase(compIt);
				}
				else
				{
					++compIt;
				}
			}
		}
	}
}

void UILayer::removeScene(UIScene *scene)
{
#ifdef __PSVITA__
	// remove any touchboxes
	ui.TouchBoxesClear(scene);
#endif

	AUTO_VAR(newEnd, std::remove(m_sceneStack.begin(), m_sceneStack.end(), scene) );
	m_sceneStack.erase(newEnd, m_sceneStack.end());

	m_scenesToDelete.push_back(scene);

	scene->handleDestroy(); // For anything that might require the pointer be valid

	bool hadFocus = m_hasFocus;
	updateFocusState();

	// If this layer has focus, pass it on
	if (m_hasFocus || hadFocus)
	{
		m_hasFocus = false;
		m_parentGroup->UpdateFocusState();
	}
}

void UILayer::closeAllScenes()
{
	vector<UIScene *> temp;
	temp.insert(temp.end(), m_sceneStack.begin(), m_sceneStack.end());
	m_sceneStack.clear();
	for(AUTO_VAR(it, temp.begin()); it != temp.end(); ++it)
	{
#ifdef __PSVITA__
		// remove any touchboxes
		ui.TouchBoxesClear(*it);
#endif
		m_scenesToDelete.push_back(*it);
		(*it)->handleDestroy(); // For anything that might require the pointer be valid
	}

	updateFocusState();

	// If this layer has focus, pass it on
	if (m_hasFocus)
	{
		m_hasFocus = false;
		m_parentGroup->UpdateFocusState();
	}
}

// Get top scene on stack (or NULL if stack is empty)
UIScene *UILayer::GetTopScene()
{
	if(m_sceneStack.size() == 0)
	{
		return NULL;
	}
	else
	{
		return m_sceneStack[m_sceneStack.size()-1];
	}
}

// Updates layer focus state if no error message is present (unless this is the error layer)
bool UILayer::updateFocusState(bool allowedFocus /* = false */)
{
	// If haveFocus is false, request it
	if (!allowedFocus)
	{
		// To update focus in this layer we need to request focus from group
		// Focus will be denied if there's an upper layer that needs focus
		allowedFocus = m_parentGroup->RequestFocus(this);
	}

	m_bMenuDisplayed = false;
	m_bPauseMenuDisplayed = false;
	m_bContainerMenuDisplayed = false;
	m_bIgnoreAutosaveMenuDisplayed = false;
	m_bIgnorePlayerJoinMenuDisplayed = false;

	bool layerFocusSet = false;
	for(AUTO_VAR(it,m_sceneStack.rbegin()); it != m_sceneStack.rend(); ++it)
	{
		UIScene *scene = *it;

		// UPDATE FOCUS STATES
		if(!layerFocusSet && allowedFocus && scene->stealsFocus())
		{
			scene->gainFocus();
			layerFocusSet = true;
		}
		else
		{
			scene->loseFocus();
			if(allowedFocus && app.GetGameStarted())
			{
				// 4J Stu - This is a memory optimisation so we don't keep scenes loaded in memory all the time
				// This is required for PS3 (and likely Vita), but I'm removing it on XboxOne so that we can avoid
				// the scene creation time (which can be >0.5s) since we have the memory to spare
#ifndef _XBOX_ONE
				m_scenesToDestroy.push_back(scene);
#endif
			}
		}

		/// UPDATE STACK STATES

		// 4J-PB - this should just be true
		m_bMenuDisplayed=true;
		
		EUIScene sceneType = scene->getSceneType();
		switch(sceneType)
		{
		case eUIScene_PauseMenu:
			m_bPauseMenuDisplayed = true;			
			break;
		case eUIScene_Crafting2x2Menu:
		case eUIScene_Crafting3x3Menu:
		case eUIScene_FurnaceMenu:
		case eUIScene_ContainerMenu:
		case eUIScene_LargeContainerMenu:
		case eUIScene_InventoryMenu:
		case eUIScene_CreativeMenu:
		case eUIScene_DispenserMenu:
		case eUIScene_BrewingStandMenu:
		case eUIScene_EnchantingMenu:
			m_bContainerMenuDisplayed=true;

			// Intentional fall-through
		case eUIScene_DeathMenu:
		case eUIScene_FullscreenProgress:		
		case eUIScene_SignEntryMenu:
		case eUIScene_EndPoem:
			m_bIgnoreAutosaveMenuDisplayed = true;
			break;
		}

		switch(sceneType)
		{
		case eUIScene_FullscreenProgress:	
		case eUIScene_EndPoem:
		case eUIScene_Credits:
		case eUIScene_LeaderboardsMenu:
			m_bIgnorePlayerJoinMenuDisplayed = true;
			break;
		}
	}
	m_hasFocus = layerFocusSet;

	return m_hasFocus;
}

#ifdef __PSVITA__
UIScene *UILayer::getCurrentScene()
{
	// Note: reverse iterator, the last element is the top of the stack
	for(AUTO_VAR(it,m_sceneStack.rbegin()); it != m_sceneStack.rend(); ++it)
	{
		UIScene *scene = *it;
		// 4J-PB - only used on Vita, so iPad 0 is fine
		if(scene->hasFocus(0) && scene->canHandleInput())
		{
			return scene;
		}
}

	return NULL;
}
#endif

void UILayer::handleInput(int iPad, int key, bool repeat, bool pressed, bool released, bool &handled)
{
	// Note: reverse iterator, the last element is the top of the stack
	for(AUTO_VAR(it,m_sceneStack.rbegin()); it != m_sceneStack.rend(); ++it)
	{
		UIScene *scene = *it;
		if(scene->hasFocus(iPad) && scene->canHandleInput())
		{
			// 4J-PB - ignore repeats of action ABXY buttons 
			// fix for PS3 213 - [MAIN MENU] Holding down buttons will continue to activate every prompt. 
			// 4J Stu - Changed this slightly to add the allowRepeat function so we can allow repeats in the crafting menu
			if(repeat && !scene->allowRepeat(key) )
			{
				return;
			}
			scene->handleInput(iPad, key, repeat, pressed, released, handled);
		}
		
		// Fix for PS3 #444 - [IN GAME] If the user keeps pressing CROSS while on the 'Save Game' screen the title will crash. 
		handled = handled || scene->hidesLowerScenes();
		if(handled ) break;
	}

	// Components can't take input or focus
}

void UILayer::HandleDLCMountingComplete()
{
	for(AUTO_VAR(it,m_sceneStack.rbegin()); it != m_sceneStack.rend(); ++it)
	{
		UIScene *topScene = *it;
		app.DebugPrintf("UILayer::HandleDLCMountingComplete - topScene\n");
		topScene->HandleDLCMountingComplete();
	}
}

void UILayer::HandleDLCInstalled()
{
	for(AUTO_VAR(it,m_sceneStack.rbegin()); it != m_sceneStack.rend(); ++it)
	{
		UIScene *topScene = *it;
		topScene->HandleDLCInstalled();
	}
}

#ifdef _XBOX_ONE
void UILayer::HandleDLCLicenseChange()
{
	for(AUTO_VAR(it,m_sceneStack.rbegin()); it != m_sceneStack.rend(); ++it)
	{
		UIScene *topScene = *it;
		topScene->HandleDLCLicenseChange();
	}
}
#endif

bool UILayer::IsFullscreenGroup()
{
	return m_parentGroup->IsFullscreenGroup();
}

C4JRender::eViewportType UILayer::getViewport()
{
	return m_parentGroup->GetViewportType();
}


void UILayer::handleUnlockFullVersion()
{
	for(AUTO_VAR(it, m_sceneStack.begin()); it != m_sceneStack.end(); ++it)
	{
		(*it)->handleUnlockFullVersion();
	}
}

void UILayer::PrintTotalMemoryUsage(__int64 &totalStatic, __int64 &totalDynamic)
{
	__int64 layerStatic = 0;
	__int64 layerDynamic = 0;
	for(AUTO_VAR(it,m_components.begin()); it != m_components.end(); ++it)
	{
		(*it)->PrintTotalMemoryUsage(layerStatic, layerDynamic);
	}
	for(AUTO_VAR(it, m_sceneStack.begin()); it != m_sceneStack.end(); ++it)
	{
		(*it)->PrintTotalMemoryUsage(layerStatic, layerDynamic);
	}
	app.DebugPrintf(app.USER_SR, "  \\- Layer static: %d , Layer dynamic: %d\n", layerStatic, layerDynamic);
	totalStatic += layerStatic;
	totalDynamic += layerDynamic;
}

// Returns the first scene of given type if it exists, NULL otherwise 
UIScene *UILayer::FindScene(EUIScene sceneType)
{
	for (int i = 0; i < m_sceneStack.size(); i++)
	{
		if (m_sceneStack[i]->getSceneType() == sceneType)
		{
			return m_sceneStack[i];
		}
	}

	return NULL;
}