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 #include "Hud.hh"
  38
  39 #if HAVE_CONFIG_H
  40 #include "config.h"
  41 #endif
  42
  43
  44
  45 Mf::Scalar GameLayer::getZCoord(const Mf::Vector2& position) const
  46 {
  47         Mf::Scalar z;
  48
  49         mState.script.getGlobalTable().pushField("GetZCoord");
  50         mState.script.push(position[0]);
  51         mState.script.push(position[1]);
  52         mState.script.call(2, 1);
  53         mState.script.getTop().get(z);
  54         mState.script.pop();
  55
  56         return z;
  57 }
  58
  59 void GameLayer::loadSceneLoader()
  60 {
  61         mState.script.importStandardLibraries();
  62         importLogPrintFunction(mState.script);
  63
  64         std::string loaderPath = Scene::getPath("loader");
  65         if (loaderPath == "")
  66         {
  67                 throw Mf::Exception(Mf::ErrorCode::RESOURCE_NOT_FOUND, "loader");
  68         }
  69
  70         Mf::Script::Status status = mState.script.doFile(loaderPath);
  71         if (status != Mf::Script::SUCCESS)
  72         {
  73                 std::string str;
  74                 mState.script[-1].get(str);
  75
  76                 Mf::logScript("%s", str.c_str());
  77                 throw Mf::Exception(Mf::ErrorCode::SCRIPT_ERROR, str);
  78         }
  79
  80         mState.script.getGlobalTable().pushField("scenes");
  81         mState.script.getTop().get(mState.sceneList);
  82         if (mState.sceneList.size() == 0)
  83         {
  84                 Mf::logScript("no variable `scenes' within loader");
  85                 throw Mf::Exception(Mf::ErrorCode::SCRIPT_ERROR, "no scenes to load");
  86         }
  87 }
  88
  89 void GameLayer::advanceScene()
  90 {
  91         if (mState.sceneList.size() != 0)
  92         {
  93                 mState.scene = Scene::alloc(mState.sceneList[0]);
  94                 mState.sceneList.erase(mState.sceneList.begin());
  95                 mState.scene->load(mState.script);
  96         }
  97 }
  98
  99
 100 GameLayer::GameLayer() :
 101         mMusic("NightFusionIntro"),
 102         mPunchSound("Thump")
 103 {
 104         mMusic.setLooping(true);
 105         mMusic.enqueue("NightFusionLoop");
 106         mMusic.stream();
 107
 108         loadSceneLoader();
 109         advanceScene();                         // load the first scene
 110
 111         mState.heroine = Heroine::alloc();
 112         mState.heroine->animation.startSequence("FlyDiagonallyUp");
 113
 114         Mf::Scalar a[6] = {0.0, 1.5, -0.5, 3.0, -2.0, 1.0};
 115         mState.interp.init(a, 2.0, Mf::Interpolator::OSCILLATE);
 116
 117         setProjection();
 118 }
 119
 120
 121 void GameLayer::pushed(Mf::Engine& engine)
 122 {
 123         engine.push(Hud::alloc(mState));
 124 }
 125
 126
 127 void GameLayer::update(Mf::Engine& engine, Mf::Scalar t, Mf::Scalar dt)
 128 {
 129         mState.camera.update(t, dt);
 130         mState.heroine->update(t, dt);
 131
 132         mState.scene->checkForCollision(*mState.heroine);
 133
 134         mState.camera.setPosition(Mf::Vector3(-mState.heroine->getState().position[0],
 135                                 -mState.heroine->getState().position[1], -10));
 136         //mState.camera.lookAt(Mf::promote(mState.heroine->getState().position));
 137
 138         //Mf::Vector3 heroinePosition = Mf::promote(mState.heroine->getState().position);
 139         //Mf::Sound::setListenerPosition(heroinePosition);
 140 }
 141
 142
 143 void GameLayer::draw(Mf::Engine& engine, Mf::Scalar alpha) const
 144 {
 145         mState.camera.uploadToGL(alpha);
 146
 147         // DRAW THE SCENE
 148         Mf::Texture::resetBind();
 149
 150         glEnableClientState(GL_VERTEX_ARRAY);
 151         glEnableClientState(GL_TEXTURE_COORD_ARRAY);
 152
 153         mState.scene->drawIfVisible(alpha, mState.camera.getFrustum());
 154
 155         mState.heroine->setZCoord(getZCoord(mState.heroine->getState().position));
 156         mState.heroine->draw(alpha);
 157 }
 158
 159 bool GameLayer::handleEvent(Mf::Engine& engine, const Mf::Event& event)
 160 {
 161         switch (event.type)
 162         {
 163                 case SDL_KEYDOWN:
 164                         if (event.key.keysym.sym == SDLK_SPACE)
 165                         {
 166                                 mState.heroine->animation.startSequence("Flattened");
 167                                 Mf::logInfo("thump!");
 168                                 mPunchSound.play();
 169                                 return true;
 170                         }
 171                         else if (event.key.keysym.sym == SDLK_m)
 172                         {
 173                                 mMusic.toggle();
 174                                 return true;
 175                         }
 176                         return mState.heroine->handleEvent(event);
 177
 178                 case SDL_KEYUP:
 179                         if (event.key.keysym.sym == SDLK_ESCAPE)
 180                         {
 181                                 engine.pop(this);
 182                                 return true;
 183                         }
 184                         else if (event.key.keysym.sym == SDLK_h)
 185                         {
 186                                 engine.push(Hud::alloc(mState));
 187                                 return true;
 188                         }
 189                         return mState.heroine->handleEvent(event);
 190
 191                 case SDL_MOUSEMOTION:
 192                 case SDL_MOUSEBUTTONDOWN:
 193                         mState.camera.handleEvent(event);
 194                         return true;
 195
 196                 case SDL_VIDEORESIZE:
 197                         setProjection(event.resize.w, event.resize.h);
 198                         break;
 199         }
 200
 201         return false;
 202 }
 203
 204
 205 void GameLayer::setProjection()
 206 {
 207         Mf::VideoP video = Mf::Engine::getInstance().getVideo();
 208         setProjection(video->getWidth(), video->getHeight());
 209 }
 210
 211 void GameLayer::setProjection(Mf::Scalar width, Mf::Scalar height)
 212 {
 213         mState.camera.setProjection(cml::rad(60.0), width / height, 1.0, 200.0);
 214 }
 215
 216
 217 /** vim: set ts=4 sw=4 tw=80: *************************************************/
 218