Dogcows Code - chaz/yoink/blob - src/TitleLayer.cc

   1
   2 /*]  Copyright (c) 2009-2010, Charles McGarvey  [**************************
   3 **]  All rights reserved.
   4 *
   5 * vi:ts=4 sw=4 tw=75
   6 *
   7 * Distributable under the terms and conditions of the 2-clause BSD license;
   8 * see the file COPYING for a complete text of the license.
   9 *
  10 **************************************************************************/
  11
  12 #include <Moof/Core.hh>
  13 #include <Moof/OpenGL.hh>
  14 #include <Moof/Transition.hh>
  15
  16 #include "GameLayer.hh"
  17 #include "TitleLayer.hh"
  18
  19
  20 void TitleLayer::addedToCore()
  21 {
  22         mFadeIn.init(0.0, 1.0);
  23         mFadeIn.reset(0.1);
  24
  25         mGameLayer = GameLayer::alloc();
  26 }
  27
  28 void TitleLayer::update(Mf::Scalar t, Mf::Scalar dt)
  29 {
  30         mFadeIn.update(t, dt);
  31 }
  32
  33 void TitleLayer::draw(Mf::Scalar alpha) const
  34 {
  35         glClearColor(0.0, 0.0, mFadeIn.getState(alpha), 1.0);
  36         glClear(GL_COLOR_BUFFER_BIT);
  37 }
  38
  39 bool TitleLayer::handleEvent(const Mf::Event& event)
  40 {
  41         switch (event.type)
  42         {
  43                 case SDL_KEYUP:
  44                         if (event.key.keysym.sym == SDLK_ESCAPE)
  45                         {
  46                                 break;
  47                         }
  48
  49                         Mf::LayerP titleLayer = Mf::core.pop(this);
  50
  51                         Mf::Lerp interp(0.1);
  52                         interp.init(0.0, 1.0);
  53
  54                         Mf::Transition<Mf::Lerp>::Ptr transition =
  55                                 Mf::Transition<Mf::Lerp>::alloc(mGameLayer, titleLayer,
  56                                                                                                 interp);
  57                         Mf::core.push(transition);
  58
  59                         return true;
  60         }
  61
  62         return false;
  63 }
  64