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561 awk 1 
 
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#include <GLGraphics/Console.h>
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#include <GLGraphics/gel_glut.h>
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#include <CGLA/Vec3f.h>
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GLGraphics::Console console;
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int width, height;
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bool console_visible = true;
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static void display()
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{
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    glClearColor(0.4f, 0.4f, 0.4f, 1.f);
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    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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    if (console_visible)
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    {
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        //draw console in upper half of screen
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        glPushAttrib(GL_VIEWPORT_BIT);
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        glViewport(0, height-height/2,
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                   width, height/2);
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        console.display();
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        glPopAttrib();
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    }
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    assert(glGetError() == GL_NO_ERROR);
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    glutSwapBuffers();
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}
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static void reshape(int w, int h)
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{
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    width = w;
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    height = h;
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    glViewport( 0, 0, width, height);
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}
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static void keyboard(unsigned char key, int x, int y)
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{
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    //toggle console with ESC
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    if (key == 27)
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    {
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        console_visible = !console_visible;
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        glutPostRedisplay();
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        return;
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    }
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    if (console_visible)
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    {
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        console.keyboard(key);
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        glutPostRedisplay();
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        return;
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    }
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    //switch (key)
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    //{
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    //}
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    glutPostRedisplay();
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}
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static void special(int key, int x, int y)
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{
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    if (console_visible)
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    {
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        console.special(key);
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        glutPostRedisplay();
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        return;
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    }
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    //switch (key)
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    //{
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    //}
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    glutPostRedisplay();
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}
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void vararg_test(const std::vector<std::string>& args)
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{
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    console.printf("Number of arguments: %i", int(args.size()));
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    for (int i=0; i<int(args.size()); ++i)
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        console.printf("  arg %i: %s", i, args[i].c_str());
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}
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int main( int argc, char *argv[] )
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{
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  glutInit(&argc, argv);
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  glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
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  glutInitWindowSize(768, 768);
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  glutInitWindowPosition(256, 256);
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  glutCreateWindow(argv[0]);
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  glutReshapeFunc(reshape);
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  glutKeyboardFunc(keyboard);
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  glutSpecialFunc(special);
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  glutDisplayFunc(display);
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  console.printf("GLGraphics console test.");
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  console.newline();
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  //some examples of use:
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  console.reg_cmd0("quit",
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      std::bind(&std::exit, EXIT_SUCCESS), "Exit application.");
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  console.reg_cmd1<int>("quit",
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      std::bind(&std::exit, std::placeholders::_1),
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      "Exit application with specified exit code.");
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  console.reg_cmd0("fullscreen", std::bind(&glutFullScreen), "Switch to fullscreen.");
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#if 1
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  //needs lambda
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  console.reg_cmd0("window_pos", [&]{
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      console.printf("window_pos = %i %i", glutGet(GLUT_WINDOW_X),
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          glutGet(GLUT_WINDOW_Y));
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  }, "Show window position.");
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  console.reg_cmd0("window_size", [&]{
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      console.printf("window_size = %i %i", glutGet(GLUT_WINDOW_WIDTH),
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          glutGet(GLUT_WINDOW_HEIGHT));
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  }, "Show window position.");
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#endif
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  console.reg_cmd2<int,int>("window_pos", std::bind(&glutPositionWindow,
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      std::placeholders::_1, std::placeholders::_2),
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      "Set the window position.");
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  console.executef("window_pos %i %i", 384, 256);
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  console.reg_cmd2<int,int>("window_size", std::bind(&glutReshapeWindow,
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      std::placeholders::_1, std::placeholders::_2),
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      "Set the window size.");
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  console.reg_cmdN("vararg_test", vararg_test, "Test of variable number of arguments.");
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  using namespace GLGraphics;
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  Console::variable<int> test_int(42);
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  test_int.reg(console, "test_int", "Some clever help string..");
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  console.execute("test_int");
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  console.execute("test_int 167");
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  Console::variable<float> test_float(3.14f);
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  test_float.reg(console, "test_float", "Well..");
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  console.execute("test_float");
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  console.execute("test_float 2.71");
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  Console::variable<std::string> test_string("Hello, world!");
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  test_string.reg(console, "test_string", "Well..");
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  console.execute("test_string");
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  console.execute("test_string \"some other string with spaces in\"");
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  Console::variable<CGLA::Vec3f> test_Vec3f(CGLA::Vec3f(1,2,3));
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  test_Vec3f.reg(console, "test_Vec3f", "Well..");
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  console.execute("test_Vec3f");
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  console.execute("test_Vec3f [ 12 1234 15]");
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  CGLA::Vec3f in(0,1,2);
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  std::stringstream ss;
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  ss << in;
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  CGLA::Vec3f out;
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  ss >> out;
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  assert(in == out);
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  glutMainLoop();
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  return 0;
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}
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