Move tools to their own directory as well

[libs/gl.git] / viewer.cpp

diff --git a/viewer.cpp b/viewer.cpp
deleted file mode 100644 (file)
index bc024e1..0000000
--- a/viewer.cpp
+++ /dev/null
@@ -1,208 +0,0 @@
-#include <cmath>
-#include <msp/core/application.h>
-#include <msp/core/getopt.h>
-#include <msp/fs/utils.h>
-#include <msp/graphics/simplewindow.h>
-#include <msp/gl/blend.h>
-#include <msp/gl/camera.h>
-#include <msp/gl/framebuffer.h>
-#include <msp/gl/light.h>
-#include <msp/gl/lighting.h>
-#include <msp/gl/mesh.h>
-#include <msp/gl/object.h>
-#include <msp/gl/tests.h>
-#include <msp/input/mouse.h>
-#include <msp/io/print.h>
-
-using namespace std;
-using namespace Msp;
-
-class Viewer: public RegisteredApplication<Viewer>
-{
-private:
-       Graphics::SimpleGLWindow window;
-       Input::Mouse mouse;
-       GL::Object *object;
-       GL::Mesh *mesh;
-       GL::Light light;
-       GL::Lighting lighting;
-       GL::Camera camera;
-       float yaw;
-       float pitch;
-       float distance;
-       float light_yaw;
-       float light_pitch;
-       unsigned dragging;
-
-public:
-       Viewer(int, char **);
-       ~Viewer();
-
-       virtual int main();
-private:
-       virtual void tick();
-
-       void button_press(unsigned);
-       void button_release(unsigned);
-       void axis_motion(unsigned, float, float);
-
-       void update_camera();
-       void update_light();
-};
-
-
-Viewer::Viewer(int argc, char **argv):
-       window(1024, 768, false),
-       mouse(window),
-       object(0),
-       mesh(0),
-       yaw(0),
-       pitch(0),
-       distance(10),
-       light_yaw(0),
-       light_pitch(0),
-       dragging(0)
-{
-       if(argc<2)
-               throw usage_error("Filename must be provided");
-
-       string fn = argv[1];
-       string ext = FS::extpart(fn);
-
-       if(ext==".mesh")
-       {
-               mesh = new GL::Mesh;
-               DataFile::load(*mesh, fn);
-       }
-       else if(ext==".object")
-       {
-               object = new GL::Object;
-               DataFile::load(*object, fn);
-       }
-       else
-               throw usage_error("Don't know how to view this file");
-
-       window.signal_close.connect(sigc::bind(sigc::mem_fun(this, &Viewer::exit), 0));
-       mouse.signal_button_press.connect(sigc::mem_fun(this, &Viewer::button_press));
-       mouse.signal_button_release.connect(sigc::mem_fun(this, &Viewer::button_release));
-       mouse.signal_axis_motion.connect(sigc::mem_fun(this, &Viewer::axis_motion));
-
-       light.set_position(GL::Vector4(0, 0, 1, 0));
-       lighting.attach(0, light);
-
-       camera.set_up_direction(GL::Vector3(0, 0, 1));
-       update_camera();
-}
-
-Viewer::~Viewer()
-{
-       delete object;
-       delete mesh;
-}
-
-int Viewer::main()
-{
-       window.show();
-       return Application::main();
-}
-
-void Viewer::tick()
-{
-       window.tick();
-
-       GL::Framebuffer::system().clear(GL::COLOR_BUFFER_BIT|GL::DEPTH_BUFFER_BIT);
-
-       camera.apply();
-
-       GL::Bind bind_lighting(lighting);
-       GL::Bind bind_depth(GL::DepthTest::lequal());
-       GL::Bind bind_blend(GL::Blend::alpha());
-       if(object)
-               object->render();
-       else if(mesh)
-               mesh->draw();
-
-       window.swap_buffers();
-}
-
-void Viewer::button_press(unsigned btn)
-{
-       if(btn==1)
-       {
-               dragging = 1;
-       }
-       else if(btn==3)
-       {
-               dragging = 3;
-               axis_motion(0, 0, 0);
-       }
-       else if(btn==4)
-       {
-               distance *= 0.9;
-               update_camera();
-       }
-       else if(btn==5)
-       {
-               distance *= 1.1;
-               update_camera();
-       }
-}
-
-void Viewer::button_release(unsigned btn)
-{
-       if(btn==dragging)
-               dragging = 0;
-}
-
-void Viewer::axis_motion(unsigned axis, float, float delta)
-{
-       if(dragging==1)
-       {
-               float dx = (axis==0 ? delta : 0);
-               float dy = (axis==1 ? delta : 0);
-
-               yaw -= dx*M_PI*2;
-               while(yaw>M_PI)
-                       yaw -= M_PI*2;
-               while(yaw<-M_PI)
-                       yaw += M_PI*2;
-
-               pitch += dy*M_PI;
-               if(pitch>M_PI*0.49)
-                       pitch = M_PI*0.49;
-               if(pitch<-M_PI*0.49)
-                       pitch = -M_PI*0.49;
-
-               update_camera();
-       }
-       else if(dragging==3)
-       {
-               float x = mouse.get_axis_value(0);
-               float y = mouse.get_axis_value(1);
-
-               light_yaw = yaw+x*M_PI;
-               light_pitch = pitch-y*M_PI;
-
-               update_light();
-       }
-}
-
-void Viewer::update_camera()
-{
-       float cy = cos(yaw);
-       float sy = sin(yaw);
-       float cp = cos(pitch);
-       float sp = sin(pitch);
-       camera.set_position(GL::Vector3(-cy*cp*distance, -sy*cp*distance, -sp*distance));
-       camera.set_depth_clip(distance*0.02, distance*50);
-       camera.look_at(GL::Vector3(0, 0, 0));
-}
-
-void Viewer::update_light()
-{
-       float cy = cos(light_yaw);
-       float sy = sin(light_yaw);
-       float cp = cos(light_pitch);
-       float sp = sin(light_pitch);
-       light.set_position(GL::Vector4(-cy*cp, -sy*cp, -sp, 0));
-}