Dogcows Code - chaz/yoink/blob - src/MainLayer.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 <cstdlib>              // atexit, getenv
  30 #include <iostream>
  31 #include <string>
  32
  33 #include <Moof/Dispatcher.hh>
  34 #include <Moof/Exception.hh>
  35 #include <Moof/Log.hh>
  36 #include <Moof/OpenGL.hh>
  37 #include <Moof/Resource.hh>
  38 #include <Moof/Transition.hh>
  39 #include <Moof/Video.hh>
  40
  41 #include "GameLayer.hh"
  42 #include "MainLayer.hh"
  43 #include "TitleLayer.hh"
  44
  45 #if HAVE_CONFIG_H
  46 #include "config.h"
  47 #endif
  48 #include "version.h"
  49
  50
  51 MainLayer::MainLayer()
  52 {
  53         Mf::dispatcher::addHandler("video.context_recreated",
  54                         boost::bind(&MainLayer::contextRecreated, this, _1), this);
  55         setupGL();
  56 }
  57
  58 MainLayer::~MainLayer()
  59 {
  60         Mf::dispatcher::removeHandler(this);
  61 }
  62
  63
  64 void MainLayer::pushed(Mf::Engine& e)
  65 {
  66         engine = &e;
  67
  68         //Mf::Scalar coeff[] = {0.0, 1.0};
  69         //Mf::Lerp interp(coeff, 0.25);
  70
  71         //Mf::LayerP gameLayer = GameLayer::alloc();
  72         //Mf::Transition<Mf::Lerp>::Ptr transition =
  73                 //Mf::Transition<Mf::Lerp>::alloc(gameLayer, Mf::LayerP(), interp);
  74         //engine->push(transition);
  75         //engine->push(GameLayer::alloc());
  76         engine->push(TitleLayer::alloc());
  77 }
  78
  79
  80 void MainLayer::draw(Mf::Scalar alpha) const
  81 {
  82         glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
  83
  84         glMatrixMode(GL_PROJECTION);
  85         glLoadIdentity();
  86
  87         glMatrixMode(GL_MODELVIEW);
  88         glLoadIdentity();
  89 }
  90
  91 bool MainLayer::handleEvent(const Mf::Event& event)
  92 {
  93         switch (event.type)
  94         {
  95                 case SDL_KEYDOWN:
  96                         if (event.key.keysym.sym == SDLK_ESCAPE)
  97                         {
  98                                 quit();
  99                         }
 100                         else if (event.key.keysym.sym == SDLK_f)
 101                         {
 102                                 engine->getVideo().toggleFull();
 103                         }
 104                         else if (event.key.keysym.sym == SDLK_l)
 105                         {
 106                                 Mf::Video& video = engine->getVideo();
 107                                 video.toggleCursorGrab();
 108                                 video.toggleCursorVisible();
 109                         }
 110                         else if (event.key.keysym.sym == SDLK_y)
 111                         {
 112                                 engine->push(GameLayer::alloc());
 113                         }
 114                         break;
 115
 116                 case SDL_VIDEORESIZE:
 117                         glViewport(0, 0, event.resize.w, event.resize.h);
 118                         break;
 119
 120                 case SDL_QUIT:
 121                         quit();
 122                         break;
 123         }
 124
 125         return false;
 126 }
 127
 128 void MainLayer::quit()
 129 {
 130 #if NDEBUG
 131         // we don't really need to unwind the stack and shut everything down because
 132         // the operating system will take care of cleaning up
 133         exit(0);
 134 #else
 135         engine->clear();
 136 #endif
 137 }
 138
 139
 140 void MainLayer::setupGL()
 141 {
 142         glEnable(GL_TEXTURE_2D);
 143         glEnable(GL_DEPTH_TEST);
 144
 145         glEnable(GL_LINE_SMOOTH);
 146         glEnable(GL_POLYGON_SMOOTH);
 147         glShadeModel(GL_SMOOTH);
 148
 149         //glEnable(GL_BLEND);
 150         //glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 151         glEnable(GL_ALPHA_TEST);
 152         glAlphaFunc(GL_GREATER, 0.0);
 153
 154         glClearColor(0.0, 0.0, 0.0, 1.0);
 155
 156         glMatrixMode(GL_PROJECTION);
 157         glLoadIdentity();
 158         gluPerspective(60.0, 1.33333, 1.0, 2500.0);
 159
 160         glMatrixMode(GL_MODELVIEW);
 161 }
 162
 163 void MainLayer::contextRecreated(const Mf::Notification* note)
 164 {
 165         // whenever the context is destroyed and a new one created, it probably
 166         // won't contain our state so we need to set that up again
 167         setupGL();
 168 }
 169
 170
 171
 172 void printUsage()
 173 {
 174         std::cout << "Usage: "PACKAGE" [-h|--help] [-i|--info] [OPTION=VALUE]..." << std::endl
 175                           << "The alien-smashing action game." << std::endl
 176                           << std::endl
 177                           << "Options:" << std::endl
 178                           << "  -h, --help" << std::endl
 179                           << "      show this help and exit" << std::endl
 180                           << "  -i, --info" << std::endl
 181                           << "      show version and build information" << std::endl
 182                           << "  detail=1|2|3" << std::endl
 183                           << "      the level of detail of game scenes" << std::endl
 184                           << "  fullscreen=true|false" << std::endl
 185                           << "      if true, uses the entire display" << std::endl
 186                           << "  maxfps=num" << std::endl
 187                           << "      the maximum number of frames per second" << std::endl
 188                           << std::endl
 189                           << "See documentation for more options." << std::endl;
 190 }
 191
 192 void printInfo()
 193 {
 194         std::cout << PACKAGE_STRING << std::endl
 195 #ifdef __DATE__
 196                           << "When compiled: "__DATE__" "__TIME__ << std::endl
 197 #endif
 198                           << "Compiler: "COMPILER_STRING << std::endl
 199                           << "Asset directory: "YOINK_DATADIR << std::endl
 200                           << "Build options: "
 201 #ifdef NDEBUG
 202                           << "-"
 203 #endif
 204                           << "debug "
 205 #ifndef USE_DOUBLE_PRECISION
 206                           << "-"
 207 #endif
 208                           << "double "
 209 #ifndef PROFILING_ENABLED
 210                           << "-"
 211 #endif
 212                           << "profile "
 213                           << std::endl;
 214 #if !defined (_WIN32) && !defined(__WIN32__)
 215         system("uname -a");
 216 #endif
 217 }
 218
 219 void goodbye()
 220 {
 221         std::cout << std::endl << "Goodbye..." << std::endl << std::endl;
 222 }
 223
 224
 225
 226 int main(int argc, char* argv[])
 227 {
 228         if (argc > 1)
 229         {
 230                 std::string arg(argv[1]);
 231                 if (arg == "-h" || arg == "--help")
 232                 {
 233                         printUsage();
 234                         return 0;
 235                 }
 236                 else if (arg == "-i" || arg == "--info")
 237                 {
 238                         printInfo();
 239                         return 0;
 240                 }
 241         }
 242
 243         std::cout << std::endl << PACKAGE_STRING << std::endl
 244                           << "Compiled " << __TIME__ " " __DATE__ << std::endl
 245                           << "Send patches and bug reports to <"
 246                           PACKAGE_BUGREPORT << ">." << std::endl << std::endl;
 247
 248         atexit(goodbye);
 249
 250
 251 #if             YOINK_LOGLEVEL >= 4
 252         Mf::setLogLevel(Mf::LOG_DEBUG);
 253 #elif   YOINK_LOGLEVEL >= 3
 254         Mf::setLogLevel(Mf::LOG_INFO);
 255 #elif   YOINK_LOGLEVEL >= 2
 256         Mf::setLogLevel(Mf::LOG_SCRIPT);
 257 #elif   YOINK_LOGLEVEL >= 1
 258         Mf::setLogLevel(Mf::LOG_ERROR);
 259 #elif   YOINK_LOGLEVEL
 260         Mf::setLogLevel(Mf::LOG_NONE);
 261 #endif
 262
 263
 264         // Add search paths; they should be searched in this order:
 265         // 1. YOINK_DATADIR (environment)
 266         // 2. YOINK_DATADIR (configure)
 267
 268         char* dataDir = getenv("YOINK_DATADIR");
 269         if (dataDir)
 270         {
 271                 Mf::Resource::addSearchPath(dataDir);
 272         }
 273
 274         Mf::Resource::addSearchPath(YOINK_DATADIR);
 275
 276         std::string iconFile = Mf::Resource::getPath("yoink.png");
 277
 278
 279         // Build the list of config files to search for, in this order:
 280         // 1. YOINK_DATADIR/yoinkrc
 281         // 2. /etc/yoinkrc
 282         // 3. $HOME/.yoinkrc
 283         // 4. YOINKRC (environment)
 284
 285         std::string configFiles;
 286
 287         configFiles += Mf::Resource::getPath("yoinkrc");
 288         configFiles += ":/etc/yoinkrc:$HOME/.yoinkrc";
 289
 290         char* configFile = getenv("YOINKRC");
 291         if (configFile)
 292         {
 293                 configFiles += ":";
 294                 configFiles += configFile;
 295         }
 296
 297
 298         try
 299         {
 300                 Mf::Engine app(argc, argv, PACKAGE_STRING, iconFile, configFiles);
 301                 app.push(MainLayer::alloc());
 302
 303                 app.run();
 304         }
 305         catch (Mf::Exception e)
 306         {
 307                 Mf::logError("unhandled exception: <<%s>>", e.what());
 308                 Mf::logInfo("it's time to crash now :-(");
 309                 throw e;
 310         }
 311
 312         return 0;
 313 }
 314
 315
 316 /** vim: set ts=4 sw=4 tw=80: *************************************************/
 317