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

   1
   2 /*******************************************************************************
   3
   4  Copyright (c) 2009, Charles McGarvey
   5  All rights reserved.
   6
   7  Redistribution   and   use  in  source  and  binary  forms,  with  or  without
   8  modification, are permitted provided that the following conditions are met:
   9
  10    * Redistributions  of  source  code  must retain the above copyright notice,
  11      this list of conditions and the following disclaimer.
  12    * Redistributions  in binary form must reproduce the above copyright notice,
  13      this  list of conditions and the following disclaimer in the documentation
  14      and/or other materials provided with the distribution.
  15
  16  THIS  SOFTWARE  IS  PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  17  AND  ANY  EXPRESS  OR  IMPLIED  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  19  DISCLAIMED.  IN  NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  20  FOR  ANY  DIRECT,  INDIRECT,  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  DAMAGES  (INCLUDING,  BUT  NOT  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  22  SERVICES;  LOSS  OF  USE,  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  23  CAUSED  AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  24  OR  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  25  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26
  27 *******************************************************************************/
  28
  29 #include <Moof/Engine.hh>
  30 #include <Moof/Exception.hh>
  31 #include <Moof/Log.hh>
  32 #include <Moof/Math.hh>
  33 #include <Moof/OpenGL.hh>
  34 #include <Moof/Video.hh>
  35
  36 #include "GameLayer.hh"
  37
  38 #if HAVE_CONFIG_H
  39 #include "config.h"
  40 #endif
  41
  42
  43
  44 Mf::Scalar GameLayer::getZCoord(const Mf::Vector2& position) const
  45 {
  46         Mf::Scalar z;
  47
  48         mScript.getGlobalTable().pushField("GetZCoord");
  49         mScript.push(position[0]);
  50         mScript.push(position[1]);
  51         mScript.call(2, 1);
  52         mScript.getTop().get(z);
  53         mScript.pop();
  54
  55         return z;
  56 }
  57
  58 void GameLayer::loadSceneLoader()
  59 {
  60         std::string loaderPath = Scene::getPath("loader");
  61         if (loaderPath == "")
  62         {
  63                 throw Mf::Exception(Mf::ErrorCode::RESOURCE_NOT_FOUND, "loader");
  64         }
  65
  66         Mf::Script::Status status = mScript.doFile(loaderPath);
  67         if (status != Mf::Script::SUCCESS)
  68         {
  69                 std::string str;
  70                 mScript[-1].get(str);
  71
  72                 Mf::logScript("%s", str.c_str());
  73                 throw Mf::Exception(Mf::ErrorCode::SCRIPT_ERROR, str.c_str());
  74         }
  75
  76         mScript.getGlobalTable().pushField("scenes");
  77         mScript.getTop().get(mSceneList);
  78         if (mSceneList.size() == 0)
  79         {
  80                 Mf::logScript("no variable `scenes' within loader");
  81                 throw Mf::Exception(Mf::ErrorCode::SCRIPT_ERROR, "no scenes to load");
  82         }
  83 }
  84
  85 void GameLayer::advanceScene()
  86 {
  87         if (mSceneList.size() != 0)
  88         {
  89                 mScene = Scene::alloc(mSceneList[0]);
  90                 mSceneList.erase(mSceneList.begin());
  91                 mScene->load(mScript);
  92         }
  93 }
  94
  95
  96 GameLayer::GameLayer() :
  97         mMusic("NightFusionIntro"),
  98         mPunchSound("Thump")
  99 {
 100         mMusic.setLooping(true);
 101         mMusic.enqueue("NightFusionLoop");
 102         mMusic.stream();
 103
 104         loadSceneLoader();
 105         advanceScene();                         // load the first scene
 106
 107         mHeroine = Heroine::alloc();
 108         mHeroine->animation.startSequence("FlyDiagonallyUp");
 109
 110         Mf::Scalar a[6] = {0.0, 1.5, -0.5, 3.0, -2.0, 1.0};
 111         mInterp.init(a, 2.0, Mf::Interpolator::OSCILLATE);
 112
 113         setProjection();
 114
 115         mHud = Hud::alloc();
 116 }
 117
 118
 119 void GameLayer::pushed(Mf::Engine& engine)
 120 {
 121         engine.push(mHud);
 122 }
 123
 124
 125 void GameLayer::update(Mf::Scalar t, Mf::Scalar dt)
 126 {
 127         mCamera.update(t, dt);
 128         mHeroine->update(t, dt);
 129
 130         mScene->checkForCollision(*mHeroine);
 131
 132         mCamera.setPosition(Mf::Vector3(-mHeroine->getState().position[0],
 133                                 -mHeroine->getState().position[1], -10));
 134         //mCamera.lookAt(Mf::promote(mHeroine->getState().position));
 135
 136         //Mf::Vector3 heroinePosition = Mf::promote(mHeroine->getState().position);
 137         //Mf::Sound::setListenerPosition(heroinePosition);
 138
 139         mInterp.update(t, dt);
 140         mHud->setBar1Progress(mInterp.getState(dt));
 141         mHud->setBar2Progress(1.0 - mInterp.getState(dt));
 142 }
 143
 144
 145 void GameLayer::draw(Mf::Scalar alpha) const
 146 {
 147         mCamera.uploadToGL(alpha);
 148
 149         // DRAW THE SCENE
 150         Mf::Texture::resetBind();
 151
 152         glEnableClientState(GL_VERTEX_ARRAY);
 153         glEnableClientState(GL_TEXTURE_COORD_ARRAY);
 154
 155         mScene->drawIfVisible(alpha, mCamera.getFrustum());
 156
 157         mHeroine->setZCoord(getZCoord(mHeroine->getState().position));
 158         mHeroine->draw(alpha);
 159 }
 160
 161 bool GameLayer::handleEvent(const Mf::Event& event)
 162 {
 163         switch (event.type)
 164         {
 165                 case SDL_KEYDOWN:
 166                         if (event.key.keysym.sym == SDLK_SPACE)
 167                         {
 168                                 mHeroine->animation.startSequence("Flattened");
 169                                 Mf::logInfo("thump!");
 170                                 mPunchSound.play();
 171                                 return true;
 172                         }
 173                         else if (event.key.keysym.sym == SDLK_p)
 174                         {
 175                                 mMusic.toggle();
 176                                 return true;
 177                         }
 178                         else if (event.key.keysym.sym == SDLK_y)
 179                         {
 180                                 Mf::Engine::getInstance().pop();
 181                                 return true;
 182                         }
 183
 184                 case SDL_KEYUP:
 185                         return mHeroine->handleEvent(event);
 186
 187                 case SDL_MOUSEMOTION:
 188                 case SDL_MOUSEBUTTONDOWN:
 189                         mCamera.handleEvent(event);
 190                         return true;
 191
 192                 case SDL_VIDEORESIZE:
 193                         setProjection(Mf::Scalar(event.resize.w), Mf::Scalar(event.resize.h));
 194                         break;
 195         }
 196
 197         return false;
 198 }
 199
 200
 201 void GameLayer::setProjection()
 202 {
 203         Mf::Video& video = Mf::Engine::getInstance().getVideo();
 204         setProjection(video.getWidth(), video.getHeight());
 205 }
 206
 207 void GameLayer::setProjection(Mf::Scalar width, Mf::Scalar height)
 208 {
 209         mCamera.setProjection(cml::rad(60.0), width / height, 1.0, 200.0);
 210 }
 211
 212
 213 /** vim: set ts=4 sw=4 tw=80: *************************************************/
 214