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 #include <unistd.h>             // access
  33
  34 #include <Moof/Log.hh>
  35 #include <Moof/ModalDialog.hh>
  36 #include <Moof/OpenGL.hh>
  37 #include <Moof/Resource.hh>
  38 #include <Moof/Settings.hh>
  39 #include <Moof/Transition.hh>
  40 #include <Moof/Video.hh>
  41
  42 #include "ErrorHandler.hh"
  43 #include "GameLayer.hh"
  44 #include "MainLayer.hh"
  45 #include "TitleLayer.hh"
  46
  47 #if HAVE_CONFIG_H
  48 #include "config.h"
  49 #endif
  50 #include "version.h"
  51
  52
  53 MainLayer::MainLayer()
  54 {
  55         mDispatchHandler = Mf::Engine::getInstance().addHandler("video.newcontext",
  56                         boost::bind(&MainLayer::contextRecreated, this));
  57         setupGL();
  58 }
  59
  60 void MainLayer::pushed(Mf::Engine& engine)
  61 {
  62         //Mf::Scalar coeff[] = {0.0, 1.0};
  63         //Mf::Lerp interp(coeff, 0.25);
  64
  65         //Mf::LayerP gameLayer = GameLayer::alloc();
  66         //Mf::Transition<Mf::Lerp>::Ptr transition =
  67                 //Mf::Transition<Mf::Lerp>::alloc(gameLayer, Mf::LayerP(), interp);
  68         //engine->push(transition);
  69         //engine->push(GameLayer::alloc());
  70         engine.push(TitleLayer::alloc());
  71 }
  72
  73
  74 void MainLayer::update(Mf::Engine& engine, Mf::Scalar t, Mf::Scalar dt)
  75 {
  76         if (engine.getSize() == 1)
  77         {
  78                 // this is the only layer left on the stack
  79                 //engine.push(TitleLayer::alloc());
  80         }
  81 }
  82
  83 void MainLayer::draw(Mf::Engine& engine, Mf::Scalar alpha) const
  84 {
  85         glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
  86
  87         glMatrixMode(GL_PROJECTION);
  88         glLoadIdentity();
  89
  90         glMatrixMode(GL_MODELVIEW);
  91         glLoadIdentity();
  92 }
  93
  94 bool MainLayer::handleEvent(Mf::Engine& engine, const Mf::Event& event)
  95 {
  96         switch (event.type)
  97         {
  98                 case SDL_KEYUP:
  99                         if (event.key.keysym.sym == SDLK_ESCAPE)
 100                         {
 101                                 engine.clear();
 102                         }
 103                         else if (event.key.keysym.sym == SDLK_f)
 104                         {
 105                                 engine.getVideo()->toggleFull();
 106                         }
 107                         else if (event.key.keysym.sym == SDLK_l)
 108                         {
 109                                 Mf::VideoP video = engine.getVideo();
 110                                 video->toggleCursorGrab();
 111                                 video->toggleCursorVisible();
 112                         }
 113                         break;
 114
 115                 case SDL_VIDEORESIZE:
 116                         glViewport(0, 0, event.resize.w, event.resize.h);
 117                         break;
 118
 119                 case SDL_QUIT:
 120                         engine.clear();
 121                         break;
 122         }
 123
 124         return false;
 125 }
 126
 127
 128 void MainLayer::setupGL()
 129 {
 130         glEnable(GL_TEXTURE_2D);
 131         glEnable(GL_DEPTH_TEST);
 132
 133         glEnable(GL_LINE_SMOOTH);
 134         glEnable(GL_POLYGON_SMOOTH);
 135         glShadeModel(GL_SMOOTH);
 136
 137         //glEnable(GL_BLEND);
 138         //glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 139         glEnable(GL_ALPHA_TEST);
 140         glAlphaFunc(GL_GREATER, 0.0);
 141
 142         glClearColor(0.0, 0.0, 0.0, 1.0);
 143
 144         glMatrixMode(GL_PROJECTION);
 145         glLoadIdentity();
 146         gluPerspective(60.0, 1.33333, 1.0, 2500.0);
 147
 148         glMatrixMode(GL_MODELVIEW);
 149 }
 150
 151 void MainLayer::contextRecreated()
 152 {
 153         // whenever the context is destroyed and a new one created, it probably
 154         // won't contain our state so we need to set that up again
 155         setupGL();
 156 }
 157
 158
 159
 160 void printUsage()
 161 {
 162         std::cout << "Usage: "PACKAGE" [-h|--help] [-i|--info] [OPTION=VALUE]..."
 163                           << std::endl
 164                           << "The alien-smashing action game." << std::endl
 165                           << std::endl
 166                           << "Options:" << std::endl
 167                           << "  -h, --help" << std::endl
 168                           << "      show this help and exit" << std::endl
 169                           << "  -i, --info" << std::endl
 170                           << "      show version and build information" << std::endl
 171                           << "  detail=1|2|3" << std::endl
 172                           << "      the level of detail of game scenes" << std::endl
 173                           << "  fullscreen=true|false" << std::endl
 174                           << "      if true, uses the entire display" << std::endl
 175                           << "  maxfps=num" << std::endl
 176                           << "      the maximum number of frames per second" << std::endl
 177                           << std::endl
 178                           << "See documentation for more options." << std::endl;
 179 }
 180
 181 void printInfo(int argc, char* argv[])
 182 {
 183         std::string assets;
 184         std::string datadir;
 185         std::string config;
 186
 187         assets.assign(YOINK_DATADIR);
 188         int accessible = access(assets.c_str(), R_OK);
 189         if (accessible != 0) assets += " (no access)";
 190
 191         char* temp = getenv("YOINK_DATADIR");
 192         if (temp)
 193         {
 194                 datadir = temp;
 195                 accessible = access(temp, R_OK);
 196                 if (accessible != 0) datadir += " (no access)";
 197         }
 198
 199         temp = getenv("YOINKRC");
 200         if (temp)
 201         {
 202                 config = temp;
 203                 accessible = access(temp, R_OK);
 204                 if (accessible != 0) config += " (no access)";
 205         }
 206
 207         std::cout << "   Executable: " << argv[0] << std::endl
 208                           << "      Version: "VERSION << std::endl
 209                           << "        Built: " << COMPILE_TIME << std::endl
 210                           << "     Compiler: "COMPILER_STRING << std::endl
 211                           << "       Assets: " << assets << std::endl
 212                           << "Build options: "
 213 #ifdef NDEBUG
 214                           << "-"
 215 #endif
 216                           << "debug "
 217 #ifndef USE_DOUBLE_PRECISION
 218                           << "-"
 219 #endif
 220                           << "double-precision "
 221 #ifndef USE_GTK
 222                           << "-"
 223 #endif
 224                           << "gtk "
 225 #ifndef PROFILING_ENABLED
 226                           << "-"
 227 #endif
 228                           << "profile "
 229 #ifndef USE_QT4
 230                           << "-"
 231 #endif
 232                           << "qt4 "
 233 #ifndef USE_THREADS
 234                           << "-"
 235 #endif
 236                           << "threads" << std::endl
 237                           << "      YOINKRC: " << config << std::endl
 238                           << "YOINK_DATADIR: " << datadir << std::endl;
 239 }
 240
 241 void goodbye()
 242 {
 243         std::cout << std::endl << "Goodbye..." << std::endl << std::endl;
 244 }
 245
 246
 247 int main(int argc, char* argv[])
 248 {
 249         if (argc > 1)
 250         {
 251                 std::string arg(argv[1]);
 252                 if (arg == "-h" || arg == "--help")
 253                 {
 254                         printUsage();
 255                         return 0;
 256                 }
 257                 else if (arg == "-i" || arg == "--info")
 258                 {
 259                         printInfo(argc, argv);
 260                         return 0;
 261                 }
 262         }
 263
 264
 265         std::cout << std::endl << PACKAGE_STRING << std::endl
 266                           << "Compiled " << __TIME__ " " __DATE__ << std::endl
 267                           << "Send patches and bug reports to <"
 268                           PACKAGE_BUGREPORT << ">." << std::endl << std::endl;
 269
 270         atexit(goodbye);
 271
 272
 273 #if             YOINK_LOGLEVEL >= 4
 274         Mf::setLogLevel(Mf::LOG_DEBUG);
 275 #elif   YOINK_LOGLEVEL >= 3
 276         Mf::setLogLevel(Mf::LOG_INFO);
 277 #elif   YOINK_LOGLEVEL >= 2
 278         Mf::setLogLevel(Mf::LOG_SCRIPT);
 279 #elif   YOINK_LOGLEVEL >= 1
 280         Mf::setLogLevel(Mf::LOG_ERROR);
 281 #elif   YOINK_LOGLEVEL
 282         Mf::setLogLevel(Mf::LOG_NONE);
 283 #endif
 284
 285
 286         // Add search paths; they should be searched in this order:
 287         // 1. YOINK_DATADIR (environment)
 288         // 2. YOINK_DATADIR (configure)
 289
 290         char* dataDir = getenv("YOINK_DATADIR");
 291         if (dataDir)
 292         {
 293                 Mf::Resource::addSearchPath(dataDir);
 294         }
 295
 296         Mf::Resource::addSearchPath(YOINK_DATADIR);
 297
 298
 299         // Build the list of config files to search for, in this order:
 300         // 1. YOINK_DATADIR/yoinkrc
 301         // 2. /etc/yoinkrc (not for Windows)
 302         // 3. $HOME/.yoinkrc
 303         // 4. YOINKRC (environment)
 304
 305         std::string configFiles;
 306
 307         configFiles += Mf::Resource::getPath("yoinkrc");
 308 #if !defined(_WIN32) && !defined(__WIN32__)
 309         configFiles += ":/etc/yoinkrc";
 310 #endif
 311         configFiles += ":$HOME/.yoinkrc";
 312
 313         char* configFile = getenv("YOINKRC");
 314         if (configFile)
 315         {
 316                 configFiles += ":";
 317                 configFiles += configFile;
 318         }
 319
 320         Mf::Settings& settings = Mf::Settings::getInstance();
 321         settings.loadFromFile(configFiles);
 322         settings.parseArgs(argc, argv);
 323
 324         std::string iconFile = Mf::Resource::getPath(PACKAGE".png");
 325
 326
 327         try
 328         {
 329                 Mf::Engine& app = Mf::Engine::getInstance();
 330                 app.setVideo(Mf::Video::alloc(PACKAGE_STRING, iconFile));
 331                 app.push(MainLayer::alloc());
 332
 333                 app.run();
 334         }
 335         catch (const Mf::Exception& e)
 336         {
 337                 Mf::ModalDialog dialog;
 338                 dialog.title = PACKAGE_STRING;
 339                 dialog.text1 = "Unhandled Exception";
 340                 dialog.text2 = getErrorString(e);
 341                 dialog.type = Mf::ModalDialog::CRITICAL;
 342                 dialog.run();
 343
 344                 return 1;
 345         }
 346
 347         return 0;
 348 }
 349
 350
 351 /** vim: set ts=4 sw=4 tw=80: *************************************************/
 352