CAppStateManager.cpp

#include "CAppStateManager.h"

// Refer to your Other App States Here
#include "CAppStateIntro.h"
#include "CAppStateGame.h"
#include "CAppStateMenu.h"

CAppState* CAppStateManager::ActiveAppState = 0;

void CAppStateManager::OnEvent(SDL_Event* EventHolder)
{
    if(ActiveAppState) ActiveAppState->OnEvent(EventHolder);
}

void CAppStateManager::OnLoop()
{
    if(ActiveAppState) ActiveAppState->OnLoop();
}

void CAppStateManager::OnRender(SDL_Surface* Surf_Display)
{
    if(ActiveAppState) ActiveAppState->OnRender(Surf_Display);
}

void CAppStateManager::SetActiveAppState(int AppStateID)
{
    if(ActiveAppState) ActiveAppState->OnDeactivate();

    // Also, add your App State Here so that the Manager can switch to it
    switch(AppStateID)
    {
    case APPSTATE_NONE:
    {
        ActiveAppState = 0;
        break;
    }
    case APPSTATE_INTRO:
    {
        ActiveAppState = CAppStateIntro::GetInstance();
        break;
    }
    case APPSTATE_GAME:
    {
        ActiveAppState = CAppStateGame::GetInstance();
        break;
    }
    case APPSTATE_MENU:
    {
        ActiveAppState = CAppStateMenu::GetInstance();
        break;
    }
    default:
    {
    }
    }

    if(ActiveAppState) ActiveAppState->OnActivate();
}

CAppState* CAppStateManager::GetActiveAppState()
{
    return ActiveAppState;
}