src/SDLWrap_SDLEngine.cpp

   1 #include "SDLWrap_SDLEngine.hpp"
   2
   3 namespace SDLWrap {
   4
   5 SDLEngine::SDLEngine()
   6 {
   7     CoreWasInitialized = false;
   8     AlreadyShutdown    = false;
   9 }
  10
  11 SDLEngine::SDLEngine(Uint32 InitFlags) throw(InitError)
  12 try {
  13     if (SDL_Init(InitFlags) != 0) {
  14         throw InitError();
  15     } else {
  16         CoreWasInitialized = true;
  17     }
  18
  19     AlreadyShutdown = false;
  20
  21     Flags = WasInit(0);
  22 }
  23 catch (InitError)
  24 {
  25     ErrorHandler::OutputError(ErrorHandler::FATAL_CONSTRUCTOR_ERROR, "SDLEngine::SDLEngine(Uint32) constructor threw an InitError.\n");
  26 }
  27
  28 SDLEngine::~SDLEngine()
  29 {
  30     if (!AlreadyShutdown) {
  31         Quit();
  32     }
  33
  34     AlreadyShutdown = true;
  35 }
  36
  37 void
  38 SDLEngine::Init(Uint32 InitFlags) throw(InitError)
  39 try {
  40     if (CoreWasInitialized) {
  41         return;
  42     }
  43
  44     if (SDL_Init(InitFlags) != 0) {
  45         throw InitError();
  46     } else {
  47         CoreWasInitialized = true;
  48     }
  49
  50     Flags = WasInit(0);
  51 }
  52 catch (InitError)
  53 {
  54     ErrorHandler::OutputError(ErrorHandler::FATAL_CONSTRUCTOR_ERROR, "SDLEngine::Init(Uint32) threw an InitError.\n");
  55 }
  56
  57 void
  58 SDLEngine::InitSubSystem(Uint32 InitFlags) throw(InitError)
  59 try {
  60     if (SDL_InitSubSystem(InitFlags) != 0) {
  61         throw InitError();
  62     }
  63
  64     Flags = WasInit(0);
  65 }
  66 catch (InitError)
  67 {
  68     ErrorHandler::OutputError(ErrorHandler::FATAL_CONSTRUCTOR_ERROR, "SDLEngine::InitSubSystem threw an InitError.\n");
  69 }
  70
  71 void
  72 SDLEngine::Quit()
  73 {
  74     if (AlreadyShutdown) {
  75         return;
  76     }
  77
  78     SDL_Quit();
  79     AlreadyShutdown = true;
  80 }
  81
  82 void
  83 SDLEngine::QuitSubSystem(Uint32 QuitFlags)
  84 {
  85     SDL_QuitSubSystem(QuitFlags);
  86
  87     Flags = WasInit(0);
  88 }
  89
  90 Uint32
  91 SDLEngine::WasInit(Uint32 Flags)
  92 {
  93     return SDL_WasInit(Flags);
  94 }
  95
  96 }; // end namespace SDLWrap