// ----------------------------------------------------------------------------
// Name: Update
//
// Desc: Updates the scene.
// ----------------------------------------------------------------------------
HRESULT CGame::Update( FLOAT fElapsedTime )
{
GameState NextState;
// The way this works... Each state has an initialize function, an update
// function and a render function. The update function can return a new
// state to switch to, or return the current state to not switch states.
switch( m_CurrentState )
{
case InitScreen:
NextState = TitleScreen;
break;
case TitleScreen:
// We are in the title screen, update it.
NextState = UpdateTitleScreen( fElapsedTime );
break;
case GameScreen:
// We are in the game screen, update it.
NextState = UpdateGameScreen( fElapsedTime );
break;
default:
return D3D_OK;
}
if( NextState != m_CurrentState )
{
// We are switching states.
DbgPrint( "Switching states." );
m_PreviousState = m_CurrentState;
m_CurrentState = NextState;
switch( NextState )
{
case ExitingScreen:
// Causes the program to shut down.
PostMessage( NULL, WM_CLOSE, 0U, 0U );
return D3D_OK;
case GameScreen:
// If we switched to the GameScreen state, initialize the game.
InitGameScreen();
break;
case TitleScreen:
// If we switched to the TitleScreen state, initialize the title
// screen.
InitTitleScreen();
break;
}
}
return D3D_OK;
}
void UpdateTransition(void)
{
if (!transFadeOut)
{
transAlpha += 0.05f;
if (transAlpha >= 1.0)
{
transAlpha = 1.0;
switch (transFromScreen)
{
case LOGO_RL: rlUnloadLogoScreen(); break;
case TITLE: UnloadTitleScreen(); break;
case GAMEPLAY: UnloadGameplayScreen(); break;
default: break;
}
switch (transToScreen)
{
case LOGO_RL:
{
rlInitLogoScreen();
currentScreen = LOGO_RL;
} break;
case TITLE:
{
InitTitleScreen();
currentScreen = TITLE;
} break;
case GAMEPLAY:
{
InitGameplayScreen();
currentScreen = GAMEPLAY;
} break;
default: break;
}
transFadeOut = true;
}
}
else // Transition fade out logic
{
transAlpha -= 0.05f;
if (transAlpha <= 0)
{
transAlpha = 0;
transFadeOut = false;
onTransition = false;
transFromScreen = -1;
transToScreen = -1;
}
}
}
// Update transition effect
static void UpdateTransition(void)
{
if (!transFadeOut)
{
transAlpha += 0.05f;
// NOTE: Due to float internal representation, condition jumps on 1.0f instead of 1.05f
// For that reason we compare against 1.01f, to avoid last frame loading stop
if ((int)transAlpha >= 1)
{
transAlpha = 1.0f;
// Unload current screen
switch (transFromScreen)
{
case LOGO: UnloadLogoScreen(); break;
case TITLE: UnloadTitleScreen(); break;
case GAMEPLAY: UnloadGameplayScreen(); break;
case ENDING: UnloadEndingScreen(); break;
default: break;
}
// Load next screen
switch (transToScreen)
{
case LOGO: InitLogoScreen(); break;
case TITLE: InitTitleScreen(); break;
case GAMEPLAY: InitGameplayScreen(); break;
case ENDING: InitEndingScreen(); break;
default: break;
}
currentScreen = transToScreen;
// Activate fade out effect to next loaded screen
transFadeOut = true;
}
}
else // Transition fade out logic
{
transAlpha -= 0.05f;
if ((int)transAlpha <= 0)
{
transAlpha = 0.0f;
transFadeOut = false;
onTransition = false;
transFromScreen = -1;
transToScreen = -1;
}
}
}
void ChangeToScreen(int screen)
{
switch (currentScreen)
{
case LOGO_RL: rlUnloadLogoScreen(); break;
case TITLE: UnloadTitleScreen(); break;
case GAMEPLAY: UnloadGameplayScreen(); break;
default: break;
}
switch (screen)
{
case LOGO_RL: rlInitLogoScreen(); break;
case TITLE: InitTitleScreen(); break;
case GAMEPLAY: InitGameplayScreen(); break;
default: break;
}
currentScreen = screen;
}
void ChangeToScreen(int screen)
{
switch (currentScreen)
{
case LOGO: UnloadLogoScreen(); break;
case LOGO_RL: rlUnloadLogoScreen(); break;
case TITLE: UnloadTitleScreen(); break;
case ATTIC: UnloadAtticScreen(); break;
case AISLE01: UnloadAisle01Screen();break;
case AISLE02: UnloadAisle02Screen();break;
case ARMORY: UnloadArmoryScreen();break;
case LIVINGROOM: UnloadLivingroomScreen();break;
case KITCHEN: UnloadKitchenScreen(); break;
case BATHROOM: UnloadBathroomScreen(); break;
case ENDING: UnloadEndingScreen(); break;
default: break;
}
switch (screen)
{
case LOGO: InitLogoScreen(); break;
case LOGO_RL: rlInitLogoScreen(); break;
case TITLE: InitTitleScreen(); break;
case ATTIC: InitAtticScreen(); break;
case AISLE01: InitAisle01Screen();break;
case AISLE02: InitAisle02Screen();break;
case ARMORY: InitArmoryScreen();break;
case LIVINGROOM: InitLivingroomScreen();break;
case KITCHEN: InitKitchenScreen(); break;
case BATHROOM: InitBathroomScreen(); break;
case ENDING: InitEndingScreen(); break;
default: break;
}
currentScreen = screen;
}
// Change to next screen, no transition
static void ChangeToScreen(int screen)
{
// Unload current screen
switch (currentScreen)
{
case LOGO: UnloadLogoScreen(); break;
case TITLE: UnloadTitleScreen(); break;
case GAMEPLAY: UnloadGameplayScreen(); break;
case ENDING: UnloadEndingScreen(); break;
default: break;
}
// Init next screen
switch (screen)
{
case LOGO: InitLogoScreen(); break;
case TITLE: InitTitleScreen(); break;
case GAMEPLAY: InitGameplayScreen(); break;
case ENDING: InitEndingScreen(); break;
default: break;
}
currentScreen = screen;
}
//----------------------------------------------------------------------------------
// Main entry point
//----------------------------------------------------------------------------------
int main(void)
{
// Initialization (Note windowTitle is unused on Android)
//---------------------------------------------------------
InitWindow(screenWidth, screenHeight, "KOALA SEASONS");
// Load global data here (assets that must be available in all screens, i.e. fonts)
font = LoadFont("resources/graphics/mainfont.png");
atlas01 = LoadTexture("resources/graphics/atlas01.png");
atlas02 = LoadTexture("resources/graphics/atlas02.png");
#if defined(PLATFORM_WEB) || defined(PLATFORM_RPI) || defined(PLATFORM_ANDROID)
colorBlend = LoadShader("resources/shaders/glsl100/base.vs", "resources/shaders/glsl100/blend_color.fs");
#else
colorBlend = LoadShader("resources/shaders/glsl330/base.vs", "resources/shaders/glsl330/blend_color.fs");
#endif
InitAudioDevice();
// Load sounds data
fxJump = LoadSound("resources/audio/jump.ogg");
fxDash = LoadSound("resources/audio/dash.ogg");
fxEatLeaves = LoadSound("resources/audio/eat_leaves.ogg");
fxHitResin = LoadSound("resources/audio/resin_hit.ogg");
fxWind = LoadSound("resources/audio/wind_sound.ogg");
fxDieSnake = LoadSound("resources/audio/snake_die.ogg");
fxDieDingo = LoadSound("resources/audio/dingo_die.ogg");
fxDieOwl = LoadSound("resources/audio/owl_die.ogg");
music = LoadMusicStream("resources/audio/jngl.xm");
PlayMusicStream(music);
SetMusicVolume(music, 1.0f);
// Define and init first screen
// NOTE: currentScreen is defined in screens.h as a global variable
currentScreen = TITLE;
InitLogoScreen();
//InitOptionsScreen();
InitTitleScreen();
InitGameplayScreen();
InitEndingScreen();
#if defined(PLATFORM_WEB)
emscripten_set_main_loop(UpdateDrawFrame, 0, 1);
#else
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose()) UpdateDrawFrame();
#endif
// De-Initialization
//--------------------------------------------------------------------------------------
UnloadEndingScreen();
UnloadTitleScreen();
UnloadGameplayScreen();
UnloadLogoScreen();
UnloadTexture(atlas01);
UnloadTexture(atlas02);
UnloadFont(font);
UnloadShader(colorBlend); // Unload color overlay blending shader
UnloadSound(fxJump);
UnloadSound(fxDash);
UnloadSound(fxEatLeaves);
UnloadSound(fxHitResin);
UnloadSound(fxWind);
UnloadSound(fxDieSnake);
UnloadSound(fxDieDingo);
UnloadSound(fxDieOwl);
UnloadMusicStream(music);
CloseAudioDevice(); // Close audio device
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}
void UpdateTransition(void)
{
if (!transFadeOut)
{
transAlpha += 0.05f;
if (transAlpha >= 1.0)
{
transAlpha = 1.0;
switch (transFromScreen)
{
case LOGO: UnloadLogoScreen(); break;
case LOGO_RL: rlUnloadLogoScreen(); break;
case TITLE: UnloadTitleScreen(); break;
case ATTIC: UnloadAtticScreen(); break;
case AISLE01: UnloadAisle01Screen();break;
case AISLE02: UnloadAisle02Screen();break;
case ARMORY: UnloadArmoryScreen();break;
case LIVINGROOM: UnloadLivingroomScreen();break;
case KITCHEN: UnloadKitchenScreen(); break;
case BATHROOM: UnloadBathroomScreen(); break;
case ENDING: UnloadEndingScreen(); break;
default: break;
}
switch (transToScreen)
{
case LOGO:
{
InitLogoScreen();
currentScreen = LOGO;
} break;
case LOGO_RL:
{
rlInitLogoScreen();
currentScreen = LOGO_RL;
} break;
case TITLE:
{
InitTitleScreen();
currentScreen = TITLE;
} break;
case ATTIC:
{
InitAtticScreen();
currentScreen = ATTIC;
} break;
case AISLE01:
{
InitAisle01Screen();
currentScreen = AISLE01;
} break;
case AISLE02:
{
InitAisle02Screen();
currentScreen = AISLE02;
} break;
case BATHROOM:
{
InitBathroomScreen();
currentScreen = BATHROOM;
} break;
case LIVINGROOM:
{
InitLivingroomScreen();
currentScreen = LIVINGROOM;
} break;
case KITCHEN:
{
InitKitchenScreen();
currentScreen = KITCHEN;
} break;
case ARMORY:
{
InitArmoryScreen();
currentScreen = ARMORY;
} break;
case ENDING:
{
InitEndingScreen();
currentScreen = ENDING;
} break;
default: break;
}
transFadeOut = true;
}
}
else // Transition fade out logic
{
transAlpha -= 0.05f;
if (transAlpha <= 0)
{
transAlpha = 0;
transFadeOut = false;
onTransition = false;
transFromScreen = -1;
transToScreen = -1;
}
}
}
