Dogcows Code - chaz/yoink/blob - src/Main.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 "config.h"
  13
  14 #include <cstdlib>              // atexit
  15 #include <exception>
  16 #include <functional>
  17 #include <iostream>
  18 #include <string>
  19
  20 #if !defined(__WIN32)
  21 #include <termios.h>
  22 #else
  23 inline int isatty(int dummy) { return 0; }
  24 #endif
  25
  26 #include <stlplus/portability/file_system.hpp>
  27 #include <stlplus/portability/subprocesses.hpp>
  28
  29 #include <moof/image.hh>
  30 #include <moof/log.hh>
  31 #include <moof/modal_dialog.hh>
  32 #include <moof/opengl.hh>
  33 #include <moof/resource.hh>
  34 #include <moof/settings.hh>
  35 #include <moof/string.hh>
  36 #include <moof/video.hh>
  37
  38 #include "Main.hh"
  39 #include "version.h"
  40
  41
  42 Main::Main(moof::settings& settings) :
  43         moof::application(settings)
  44 {
  45         moof::dispatcher& dispatcher = moof::dispatcher::global();
  46         video_reloaded_ = dispatcher.add_target("video.newcontext",
  47                                                                                         boost::bind(&Main::setup_opengl));
  48         setup_opengl();
  49
  50 #if ENABLE_HOTLOADING
  51         hotload_timer_.init(boost::bind(&moof::resource::reload_as_needed),
  52                                                 SCALAR(0.25),
  53                                                 moof::timer::repeat);
  54 #endif
  55 }
  56
  57
  58 void Main::update(moof::scalar t, moof::scalar dt)
  59 {
  60         yoink.update(t, dt);
  61 }
  62
  63 void Main::draw(moof::scalar alpha) const
  64 {
  65         glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
  66
  67         glMatrixMode(GL_PROJECTION);
  68         glLoadIdentity();
  69
  70         glMatrixMode(GL_MODELVIEW);
  71         glLoadIdentity();
  72
  73         yoink.draw(alpha);
  74 }
  75
  76 void Main::handle_event(const moof::event& event)
  77 {
  78         if (yoink.handle_event(event)) return;
  79
  80         switch (event.type)
  81         {
  82                 case SDL_KEYUP:
  83
  84                         if (event.key.keysym.sym == SDLK_f)
  85                         {
  86                                 moof::video::current()->toggle_fullscreen();
  87                         }
  88                         else if (event.key.keysym.sym == SDLK_l)
  89                         {
  90                                 moof::video::current()->toggle_cursor_captured();
  91                                 moof::video::current()->toggle_cursor_visible();
  92                         }
  93                         else if (event.key.keysym.sym == SDLK_ESCAPE)
  94                         {
  95                                 stop();
  96                         }
  97                         break;
  98
  99                 case SDL_VIDEORESIZE:
 100
 101                         glViewport(0, 0, event.resize.w, event.resize.h);
 102                         break;
 103
 104                 case SDL_QUIT:
 105
 106                         stop();
 107         }
 108 }
 109
 110
 111 std::string Main::search_paths()
 112 {
 113         // Add search paths; they should be searched in this order:
 114         // 1. YOINK_DATADIR (environment)
 115         // 2. YOINK_DATADIR (configure)
 116
 117         std::string path;
 118         std::string datadir = stlplus::env_vector()["YOINK_DATADIR"];
 119         if (!datadir.empty())
 120         {
 121                 path += datadir;
 122                 path += ":";
 123         }
 124         path += YOINK_DATADIR;
 125
 126         return path;
 127 }
 128
 129 std::string Main::config_paths()
 130 {
 131         // Build the list of config files to search for, in this order:
 132         // 1. YOINK_DATADIR/yoinkrc
 133         // 2. /etc/yoinkrc (not for Windows)
 134         // 3. $HOME/.yoinkrc
 135         // 4. YOINKRC (environment)
 136
 137         std::string path = moof::resource::find_file("yoinkrc");
 138
 139 #if !defined(_WIN32)
 140         path += ":/etc/yoinkrc";
 141 #endif
 142         path += ":$HOME/.yoinkrc";
 143
 144         std::string rc_file = stlplus::env_vector()["YOINKRC"];
 145         if (!rc_file.empty())
 146         {
 147                 path += ":";
 148                 path += rc_file;
 149         }
 150
 151         return path;
 152 }
 153
 154
 155 void Main::setup_opengl()
 156 {
 157         glEnable(GL_TEXTURE_2D);
 158         glEnable(GL_DEPTH_TEST);
 159         //glEnable(GL_CULL_FACE);
 160
 161         glEnable(GL_POINT_SMOOTH);
 162         glEnable(GL_LINE_SMOOTH);
 163         glEnable(GL_POLYGON_SMOOTH);
 164         glShadeModel(GL_SMOOTH);
 165
 166         //glEnable(GL_BLEND);
 167         //glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 168         glEnable(GL_ALPHA_TEST);
 169         glAlphaFunc(GL_GREATER, 0.0);
 170
 171         glClearColor(1.0, 0.0, 0.0, 1.0);
 172
 173         //glEnable(GL_LIGHTING);
 174         glEnable(GL_LIGHT0);
 175
 176         glEnable(GL_COLOR_MATERIAL);
 177         glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
 178
 179         float amb[] = {0.1f, 0.1f, 0.1f, 1.0f};
 180         float dif[] = {0.6f, 0.6f, 0.6f, 1.0f};
 181         //glLightModelfv(GL_LIGHT_MODEL_AMBIENT, light);
 182         glLightfv(GL_LIGHT0, GL_AMBIENT, amb);
 183         glLightfv(GL_LIGHT0, GL_DIFFUSE, dif);
 184
 185         float spec[] = {1.0f, 1.0f, 1.0f, 1.0f};
 186         glLightfv(GL_LIGHT0, GL_SPECULAR, spec);
 187 }
 188
 189
 190 void Main::print_usage()
 191 {
 192         std::cout << "Usage: "
 193                           << PACKAGE" [-h|--help] [-i|--info] [OPTION=VALUE]..."
 194                           << std::endl
 195                           << "The alien-smashing action game." << std::endl
 196                           << std::endl
 197                           << "Options:" << std::endl
 198                           << "  -h, --help" << std::endl
 199                           << "      show this help and exit" << std::endl
 200                           << "  -i, --info" << std::endl
 201                           << "      show version and build information" << std::endl
 202                           << "  detail=1|2|3" << std::endl
 203                           << "      the level of detail of game scenes" << std::endl
 204                           << "  fullscreen=true|false" << std::endl
 205                           << "      if true, uses the entire display" << std::endl
 206                           << "  framerate=num" << std::endl
 207                           << "      number of frames to draw per second" << std::endl
 208                           << std::endl
 209                           << "See documentation for more options." << std::endl;
 210 }
 211
 212
 213 void Main::print_info(int argc, char* argv[])
 214 {
 215         bool color = (isatty(1) == 1);
 216
 217         stlplus::env_vector environment;
 218
 219         std::string assets;
 220         assets.assign(YOINK_DATADIR);
 221         if (!stlplus::file_readable(assets))
 222         {
 223                 assets += " ";
 224                 if (color) assets += "\033[1;91m";
 225                 assets += "(no access)";
 226                 if (color) assets += "\033[0m";
 227         }
 228
 229         std::string datadir = environment["YOINK_DATADIR"];
 230         if (!datadir.empty())
 231         {
 232                 if (!stlplus::folder_readable(datadir))
 233                 {
 234                         datadir += " ";
 235                         if (color) datadir += "\033[1;91m";
 236                         datadir += "(no access)";
 237                         if (color) datadir += "\033[0m";
 238                 }
 239         }
 240
 241         std::string rc_file = environment["YOINKRC"];
 242         if (!rc_file.empty())
 243         {
 244                 if (!stlplus::file_readable(rc_file)) rc_file += " (no access)";
 245         }
 246
 247         std::cout << "   Executable: " << argv[0] << std::endl
 248 #ifdef YOINK_GITHEAD
 249                           << "       Commit: "YOINK_GITHEAD << std::endl
 250 #endif
 251                           << "      Version: " << PACKAGE_VERSION << std::endl
 252                           << "        Built: " << COMPILE_TIME << std::endl
 253                           << "     Compiler: " << COMPILER_STRING << std::endl
 254                           << "       Assets: " << assets << std::endl
 255                           << "Build options: ";
 256
 257 #if ENABLE_CLOCK_GETTIME
 258         print_option("clock_gettime", true);
 259 #else
 260         print_option("clock_gettime", false);
 261 #endif
 262 #if DEBUG
 263         print_option("debug", true);
 264 #else
 265         print_option("debug", false);
 266 #endif
 267 #if ENABLE_DOUBLE_PRECISION
 268         print_option("double", true);
 269 #else
 270         print_option("double", false);
 271 #endif
 272 #if WITH_GTK
 273         print_option("gtk", true);
 274 #else
 275         print_option("gtk", false);
 276 #endif
 277 #if ENABLE_HOTLOADING
 278         print_option("hotload", true);
 279 #else
 280         print_option("hotload", false);
 281 #endif
 282 #if ENABLE_PROFILING
 283         print_option("profile", true);
 284 #else
 285         print_option("profile", false);
 286 #endif
 287 #if WITH_QT4
 288         print_option("qt4", true);
 289 #else
 290         print_option("qt4", false);
 291 #endif
 292 #if ENABLE_THREADS
 293         print_option("threads", true);
 294 #else
 295         print_option("threads", false);
 296 #endif
 297         std::cout << std::endl;
 298         std::cout << "      YOINKRC: " << rc_file << std::endl
 299                           << "YOINK_DATADIR: " << datadir << std::endl;
 300 }
 301
 302 void Main::print_option(const std::string& option, bool enabled)
 303 {
 304         if (isatty(1) == 1)
 305         {
 306                 if (enabled) std::cout << "\033[1;94m";
 307                 else std::cout << "\033[1m";
 308         }
 309         if (!enabled) std::cout << "-";
 310         std::cout << option;
 311         if (isatty(1) == 1) std::cout << "\033[0m";
 312         std::cout << " ";
 313 }
 314
 315
 316 void hello()
 317 {
 318         if (isatty(1) == 1) std::cout << "\033[94m";
 319         std::cout << std::endl << PACKAGE_STRING << std::endl
 320                           << "Compiled " << __TIME__ " " __DATE__ << std::endl
 321                           << "Send patches and bug reports to <"
 322                           PACKAGE_BUGREPORT << ">." << std::endl << moof::log::endl;
 323 }
 324
 325 void goodbye()
 326 {
 327         if (isatty(1) == 1) std::cout << "\033[94m";
 328         std::cout << std::endl << "Goodbye." << std::endl << moof::log::endl;
 329 }
 330
 331
 332 int main(int argc, char* argv[])
 333 {
 334         moof::backend backend;
 335
 336         if (argc > 1)
 337         {
 338                 std::string arg(argv[1]);
 339                 if (arg == "-h" || arg == "--help")
 340                 {
 341                         Main::print_usage();
 342                         return 0;
 343                 }
 344                 else if (arg == "-i" || arg == "--info")
 345                 {
 346                         Main::print_info(argc, argv);
 347                         return 0;
 348                 }
 349         }
 350
 351         hello();
 352         atexit(goodbye);
 353
 354         moof::resource::set_search_paths(Main::search_paths());
 355
 356         moof::settings settings(argc, argv, Main::config_paths());
 357
 358         enum moof::log::level logLevel = moof::log::info;
 359         settings.get("loglevel", logLevel);
 360         moof::log::level(logLevel);
 361
 362         try
 363         {
 364                 moof::image_handle icon(PACKAGE, "png");
 365                 if (icon) icon->set_as_icon();
 366                 else moof::log_error("no icon loaded");
 367                 icon.unload();
 368
 369                 class moof::video::attributes attributes(settings);
 370                 moof::video video(PACKAGE_STRING, attributes);
 371                 video.show_fps(true);
 372
 373                 Main app(settings);
 374                 return app.run();
 375         }
 376         catch (const std::exception& e)
 377         {
 378                 moof::modal_dialog dialog(moof::modal_dialog::error,
 379                                                                   PACKAGE_STRING, "unhandled exception",
 380                                                                   e.what());
 381                 dialog.run();
 382         }
 383         catch (const char* e)
 384         {
 385                 moof::modal_dialog dialog(moof::modal_dialog::error,
 386                                                                   PACKAGE_STRING, "unhandled exception",
 387                                                                   e);
 388                 dialog.run();
 389         }
 390
 391         return 1;
 392 }
 393