2 #include <msp/core/application.h>
3 #include <msp/core/getopt.h>
4 #include <msp/datafile/directorysource.h>
5 #include <msp/datafile/packsource.h>
6 #include <msp/fs/stat.h>
7 #include <msp/fs/utils.h>
8 #include <msp/graphics/simplewindow.h>
9 #include <msp/gl/animatedobject.h>
10 #include <msp/gl/animation.h>
11 #include <msp/gl/animationplayer.h>
12 #include <msp/gl/blend.h>
13 #include <msp/gl/camera.h>
14 #include <msp/gl/framebuffer.h>
15 #include <msp/gl/light.h>
16 #include <msp/gl/lighting.h>
17 #include <msp/gl/mesh.h>
18 #include <msp/gl/object.h>
19 #include <msp/gl/sequence.h>
20 #include <msp/gl/sequencebuilder.h>
21 #include <msp/gl/sequencetemplate.h>
22 #include <msp/gl/renderer.h>
23 #include <msp/gl/resources.h>
24 #include <msp/gl/simplescene.h>
25 #include <msp/gl/technique.h>
26 #include <msp/gl/tests.h>
27 #include <msp/gl/windowview.h>
28 #include <msp/input/mouse.h>
29 #include <msp/io/print.h>
30 #include <msp/strings/regex.h>
31 #include <msp/time/timestamp.h>
32 #include <msp/time/utils.h>
37 class Viewer: public RegisteredApplication<Viewer>
42 list<string> resource_locations;
43 string animation_name;
44 string renderable_name;
45 Graphics::WindowOptions wnd_opts;
46 Graphics::GLOptions gl_opts;
48 Options(int, char **);
51 class Resources: public GL::Resources
54 DataFile::DirectorySource dir_source;
55 DataFile::PackSource pack_source;
60 void add_directory(const string &);
61 void add_pack(const string &);
65 Graphics::Display display;
66 Graphics::Window window;
67 Graphics::GLContext gl_ctx;
71 GL::Sequence *sequence;
72 GL::Renderable *renderable;
73 GL::AnimatedObject *anim_object;
74 GL::AnimationPlayer *anim_player;
76 GL::Lighting lighting;
84 Time::TimeStamp last_tick;
90 T *load(const string &);
98 void button_press(unsigned);
99 void button_release(unsigned);
100 void axis_motion(unsigned, float, float);
102 void update_camera();
107 Viewer::Options::Options(int argc, char **argv)
112 getopt.add_option('r', "resources", resource_locations, GetOpt::REQUIRED_ARG);
113 getopt.add_option('a', "animation", animation_name, GetOpt::REQUIRED_ARG);
114 getopt.add_option('w', "window-size", window_size, GetOpt::REQUIRED_ARG);
115 getopt.add_argument("renderable", renderable_name);
118 wnd_opts.width = 1024;
119 wnd_opts.height = 768;
120 if (!window_size.empty())
122 RegMatch m = Regex("^([1-9][0-9]*)x([1-9][0-9]*)$").match(window_size);
124 throw usage_error("Invalid window size");
126 wnd_opts.width = lexical_cast<unsigned>(m[1].str);
127 wnd_opts.height = lexical_cast<unsigned>(m[2].str);
129 gl_opts.gl_version_major = Graphics::GLOptions::LATEST_VERSION;
130 gl_opts.core_profile = true;
133 Viewer::Viewer(int argc, char **argv):
135 window(display, opts.wnd_opts),
136 gl_ctx(window, opts.gl_opts),
138 view(window, gl_ctx),
150 for(list<string>::const_iterator i=opts.resource_locations.begin(); i!=opts.resource_locations.end(); ++i)
153 resources.add_directory(*i);
156 string ext = FS::extpart(*i);
158 resources.add_pack(*i);
160 DataFile::load(resources, *i);
164 GL::Object *object = 0;
166 string ext = FS::extpart(opts.renderable_name);
170 if(FS::exists(opts.renderable_name))
173 DataFile::load(*mesh, opts.renderable_name);
174 resources.add("__"+opts.renderable_name, mesh);
177 mesh = &resources.get<GL::Mesh>(opts.renderable_name);
179 object = new GL::Object;
180 GL::Technique *tech = new GL::Technique;
182 object->set_mesh(mesh);
183 object->set_technique(tech);
186 resources.add("__.tech", tech);
187 resources.add("__.object", object);
189 else if(ext==".object")
190 renderable = load<GL::Object>(opts.renderable_name);
191 else if(ext==".scene")
193 if(FS::exists(opts.renderable_name))
195 GL::Scene::GenericLoader ldr(resources);
196 IO::BufferedFile in(opts.renderable_name);
197 DataFile::Parser parser(in, opts.renderable_name);
199 renderable = ldr.get_scene();
202 renderable = &resources.get<GL::Scene>(opts.renderable_name);
206 GL::SequenceTemplate *tmpl = load<GL::SequenceTemplate>(opts.renderable_name);
207 GL::SequenceBuilder bld(*tmpl);
208 sequence = bld.build(view);
211 throw usage_error("Unknown renderable type");
213 if(!opts.animation_name.empty())
216 throw usage_error("Must have an object to animate");
218 GL::Animation *anim = load<GL::Animation>(opts.animation_name);
219 anim_player = new GL::AnimationPlayer;
220 anim_object = new GL::AnimatedObject(*object);
221 anim_player->play(*anim_object, *anim);
222 renderable = anim_object;
225 window.signal_close.connect(sigc::bind(sigc::mem_fun(this, &Viewer::exit), 0));
226 mouse.signal_button_press.connect(sigc::bind_return(sigc::mem_fun(this, &Viewer::button_press), false));
227 mouse.signal_button_release.connect(sigc::bind_return(sigc::mem_fun(this, &Viewer::button_release), false));
228 mouse.signal_axis_motion.connect(sigc::bind_return(sigc::mem_fun(this, &Viewer::axis_motion), false));
230 light.set_position(GL::Vector4(0, 0, 1, 0));
231 lighting.attach(light);
233 camera.set_up_direction(GL::Vector3(0, 0, 1));
238 sequence = new GL::Sequence(view);
239 GL::Sequence::Step &step = sequence->add_step(0, *renderable);
240 step.set_lighting(&lighting);
241 step.set_depth_test(&GL::DepthTest::lequal());
242 step.set_blend(&GL::Blend::alpha());
245 view.set_content(sequence);
246 view.set_camera(&camera);
250 T *Viewer::load(const string &name)
255 DataFile::load(*thing, name, resources);
256 resources.add("__"+name, thing);
260 return &resources.get<T>(name);
273 return Application::main();
280 Time::TimeStamp t = Time::now();
286 anim_player->tick(dt);
293 void Viewer::button_press(unsigned btn)
302 axis_motion(0, 0, 0);
316 void Viewer::button_release(unsigned btn)
322 void Viewer::axis_motion(unsigned axis, float, float delta)
326 float dx = (axis==0 ? delta : 0);
327 float dy = (axis==1 ? delta : 0);
345 float x = mouse.get_axis_value(0);
346 float y = mouse.get_axis_value(1);
348 light_yaw = yaw+x*M_PI;
349 light_pitch = pitch-y*M_PI;
355 void Viewer::update_camera()
359 float cp = cos(pitch);
360 float sp = sin(pitch);
361 camera.set_position(GL::Vector3(-cy*cp*distance, -sy*cp*distance, -sp*distance));
362 camera.set_depth_clip(distance*0.02, distance*50);
363 camera.look_at(GL::Vector3(0, 0, 0));
366 void Viewer::update_light()
368 float cy = cos(light_yaw);
369 float sy = sin(light_yaw);
370 float cp = cos(light_pitch);
371 float sp = sin(light_pitch);
372 light.set_position(GL::Vector4(-cy*cp, -sy*cp, -sp, 0));
376 Viewer::Resources::Resources()
378 add_source(dir_source);
379 add_source(pack_source);
382 void Viewer::Resources::add_directory(const string &dir)
384 dir_source.add_directory(dir);
387 void Viewer::Resources::add_pack(const string &pack)
389 pack_source.add_pack_file(pack);