new win32 deps script; using pkgconfig for openal
[chaz/yoink] / 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 <cstdlib> // atexit, getenv
13 #include <functional>
14 #include <iostream>
15 #include <string>
16 #include <unistd.h> // access
17
18 #include <Moof/Log.hh>
19 #include <Moof/ModalDialog.hh>
20 #include <Moof/OpenGL.hh>
21 #include <Moof/Resource.hh>
22 #include <Moof/Settings.hh>
23 #include <Moof/Video.hh>
24
25 #include "ErrorHandler.hh"
26 #include "GameLayer.hh"
27 #include "Main.hh"
28 #include "TitleLayer.hh"
29
30 #if HAVE_CONFIG_H
31 #include "config.h"
32 #endif
33 #include "version.h"
34
35
36 Main::Main(Mf::Settings& settings, Mf::Video& video) :
37 Mf::View(settings, video)
38 {
39 Mf::Dispatch& dispatch = Mf::Dispatch::global();
40 mNewContextDispatch = dispatch.addTarget("video.newcontext",
41 boost::bind(&Main::setupGL));
42 setupGL();
43 }
44
45
46 void Main::update(Mf::Scalar t, Mf::Scalar dt)
47 {
48 if (children().size() == 0)
49 {
50 //Mf::logWarning("main view has no children");
51 //stop();
52 //return;
53 addChild(TitleLayer::alloc());
54 }
55
56 Mf::View::update(t, dt);
57 }
58
59 void Main::draw(Mf::Scalar alpha) const
60 {
61 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
62
63 glMatrixMode(GL_PROJECTION);
64 glLoadIdentity();
65
66 glMatrixMode(GL_MODELVIEW);
67 glLoadIdentity();
68
69 Mf::View::draw(alpha);
70 }
71
72 bool Main::handleEvent(const Mf::Event& event)
73 {
74 if (Mf::View::handleEvent(event)) return true;
75
76 switch (event.type)
77 {
78 case SDL_KEYUP:
79 if (event.key.keysym.sym == SDLK_f)
80 {
81 video().toggleFull();
82 }
83 else if (event.key.keysym.sym == SDLK_l)
84 {
85 video().toggleCursorGrab();
86 video().toggleCursorVisible();
87 }
88 break;
89
90 case SDL_VIDEORESIZE:
91 glViewport(0, 0, event.resize.w, event.resize.h);
92 break;
93
94 case SDL_QUIT:
95 stop();
96 return true;
97 }
98
99 return false;
100 }
101
102
103 std::string Main::getSearchPath()
104 {
105 // Add search paths; they should be searched in this order:
106 // 1. YOINK_DATADIR (environment)
107 // 2. YOINK_DATADIR (configure)
108
109 std::string path;
110
111 char* dataDir = getenv("YOINK_DATADIR");
112 if (dataDir)
113 {
114 path += dataDir;
115 path += ":";
116 }
117 path += YOINK_DATADIR;
118
119 return path;
120 }
121
122 std::string Main::getConfigPath()
123 {
124 // Build the list of config files to search for, in this order:
125 // 1. YOINK_DATADIR/yoinkrc
126 // 2. /etc/yoinkrc (not for Windows)
127 // 3. $HOME/.yoinkrc
128 // 4. YOINKRC (environment)
129
130 std::string path("yoinkrc");
131 Mf::Resource::getPath(path);
132
133 #if !defined(_WIN32)
134 path += ":/etc/yoinkrc";
135 #endif
136 path += ":$HOME/.yoinkrc";
137
138 char* configFile = getenv("YOINKRC");
139 if (configFile)
140 {
141 path += ":";
142 path += configFile;
143 }
144
145 return path;
146 }
147
148
149 void Main::setupGL()
150 {
151 glEnable(GL_TEXTURE_2D);
152 glEnable(GL_DEPTH_TEST);
153
154 glEnable(GL_LINE_SMOOTH);
155 glEnable(GL_POLYGON_SMOOTH);
156 glShadeModel(GL_SMOOTH);
157
158 //glEnable(GL_BLEND);
159 //glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
160 glEnable(GL_ALPHA_TEST);
161 glAlphaFunc(GL_GREATER, 0.0);
162
163 glClearColor(0.0, 0.0, 0.0, 1.0);
164
165 //glMatrixMode(GL_PROJECTION);
166 //glLoadIdentity();
167 //Mf::Scalar ratio = Mf::core.getVideo()->getWidth() /
168 //Mf::core.getVideo()->getHeight();
169 //gluPerspective(60.0, ratio, 1.0, 250.0);
170
171 //glMatrixMode(GL_MODELVIEW);
172 }
173
174
175 void Main::printUsage()
176 {
177 std::cout << "Usage: "
178 << PACKAGE" [-h|--help] [-i|--info] [OPTION=VALUE]..."
179 << std::endl
180 << "The alien-smashing action game." << std::endl
181 << std::endl
182 << "Options:" << std::endl
183 << " -h, --help" << std::endl
184 << " show this help and exit" << std::endl
185 << " -i, --info" << std::endl
186 << " show version and build information" << std::endl
187 << " detail=1|2|3" << std::endl
188 << " the level of detail of game scenes" << std::endl
189 << " fullscreen=true|false" << std::endl
190 << " if true, uses the entire display" << std::endl
191 << " framerate=num" << std::endl
192 << " number of frames to draw per second" << std::endl
193 << std::endl
194 << "See documentation for more options." << std::endl;
195 }
196
197 void Main::printInfo(int argc, char* argv[])
198 {
199 std::string assets;
200 std::string datadir;
201 std::string config;
202
203 assets.assign(YOINK_DATADIR);
204 int accessible = access(assets.c_str(), R_OK);
205 if (accessible != 0) assets += " (no access)";
206
207 char* temp = getenv("YOINK_DATADIR");
208 if (temp)
209 {
210 datadir = temp;
211 accessible = access(temp, R_OK);
212 if (accessible != 0) datadir += " (no access)";
213 }
214
215 temp = getenv("YOINKRC");
216 if (temp)
217 {
218 config = temp;
219 accessible = access(temp, R_OK);
220 if (accessible != 0) config += " (no access)";
221 }
222
223 std::cout << " Executable: " << argv[0] << std::endl
224 << " Version: "VERSION << std::endl
225 << " Built: " << COMPILE_TIME << std::endl
226 << " Compiler: "COMPILER_STRING << std::endl
227 << " Assets: " << assets << std::endl
228 << "Build options: "
229 #ifndef HAVE_CLOCK_GETTIME
230 << "-"
231 #endif
232 << "clock_gettime "
233 #ifdef NDEBUG
234 << "-"
235 #endif
236 << "debug "
237 #ifndef USE_DOUBLE_PRECISION
238 << "-"
239 #endif
240 << "double-precision "
241 #ifndef USE_GTK
242 << "-"
243 #endif
244 << "gtk "
245 #ifndef PROFILING_ENABLED
246 << "-"
247 #endif
248 << "profile "
249 #ifndef USE_QT4
250 << "-"
251 #endif
252 << "qt4 "
253 #ifndef USE_THREADS
254 << "-"
255 #endif
256 << "threads" << std::endl
257 << " YOINKRC: " << config << std::endl
258 << "YOINK_DATADIR: " << datadir << std::endl;
259 }
260
261
262 void hello()
263 {
264 std::cout << std::endl << PACKAGE_STRING << std::endl
265 << "Compiled " << __TIME__ " " __DATE__ << std::endl
266 << "Send patches and bug reports to <"
267 PACKAGE_BUGREPORT << ">." << std::endl << std::endl;
268 }
269
270 void goodbye()
271 {
272 std::cout << std::endl << "Goodbye..." << std::endl << std::endl;
273 }
274
275
276 int main(int argc, char* argv[])
277 {
278 if (argc > 1)
279 {
280 std::string arg(argv[1]);
281 if (arg == "-h" || arg == "--help")
282 {
283 Main::printUsage();
284 return 0;
285 }
286 else if (arg == "-i" || arg == "--info")
287 {
288 Main::printInfo(argc, argv);
289 return 0;
290 }
291 }
292
293 hello();
294 atexit(goodbye);
295
296 Mf::Resource::addSearchPaths(Main::getSearchPath());
297
298 Mf::Settings settings(argc, argv, Main::getConfigPath());
299
300 Mf::Log::Level logLevel = Mf::Log::INFO;
301 settings.get("loglevel", logLevel);
302 Mf::Log::setLevel(logLevel);
303
304 try
305 {
306 Mf::Video::Attributes attributes(settings);
307 attributes.caption = PACKAGE_STRING;
308 attributes.icon = Mf::Resource::getPath(PACKAGE".png");
309
310 Mf::Video video(attributes);
311 Main mainView(settings, video);
312
313 mainView.run();
314 return 0;
315 }
316 catch (const Mf::Error& error)
317 {
318 Mf::ModalDialog dialog(Mf::ModalDialog::CRITICAL,
319 PACKAGE_STRING, "Unhandled Exception",
320 getErrorString(error));
321
322 dialog.run();
323 return 1;
324 }
325 }
326
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