libgender/test.C

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <list>

#include "opengl.h"

#include "SDL.h"
#include "SDL_opengl.h"

static SDL_Surface *global_image = NULL;
static GLuint global_texture = 0;

#include "util.h"
#include "entity.h"
#include "txtprt_import.h"

bool doom3parse (const char *f);

#include "shader.h"

/**********************************************************************/

view camera;
vec3 camera_velocity;
float camera_angle, camera_angle2, camera_velocity_angle, camera_velocity_angle2;
float camera_velocity_factor = 80;

void
HotKey_ToggleFullScreen (void)
{
  SDL_Surface *screen;

  screen = SDL_GetVideoSurface ();

  if (SDL_WM_ToggleFullScreen (screen))
    printf ("Toggled fullscreen mode - now %s\n",
            (screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed");
  else
    printf ("Unable to toggle fullscreen mode\n");
}

void
HotKey_ToggleGrab (void)
{
  SDL_GrabMode mode;

  printf ("Ctrl-G: toggling input grab!\n");
  mode = SDL_WM_GrabInput (SDL_GRAB_QUERY);

  if (mode == SDL_GRAB_ON)
    printf ("Grab was on\n");
  else
    printf ("Grab was off\n");

  mode = SDL_WM_GrabInput (mode ? SDL_GRAB_OFF : SDL_GRAB_ON);

  if (mode == SDL_GRAB_ON)
    printf ("Grab is now on\n");
  else
    printf ("Grab is now off\n");
}

void
HotKey_Iconify (void)
{
  printf ("Ctrl-Z: iconifying window!\n");
  SDL_WM_IconifyWindow ();
}

int
HandleEvent (SDL_Event * event)
{
  int done;

  done = 0;

  switch (event->type)
    {
    case SDL_ACTIVEEVENT:
      /* See what happened */
      printf ("app %s ", event->active.gain ? "gained" : "lost");
      if (event->active.state & SDL_APPACTIVE)
        printf ("active ");
      else if (event->active.state & SDL_APPMOUSEFOCUS)
        printf ("mouse ");
      else if (event->active.state & SDL_APPINPUTFOCUS)
        printf ("input ");

      printf ("focus\n");
      break;

    case SDL_KEYDOWN:
      if (event->key.keysym.sym == SDLK_UP)       camera_velocity.z--;
      if (event->key.keysym.sym == SDLK_DOWN)     camera_velocity.z++;
      if (event->key.keysym.sym == SDLK_RIGHT)    camera_velocity_angle++;
      if (event->key.keysym.sym == SDLK_LEFT)     camera_velocity_angle--;
      if (event->key.keysym.sym == SDLK_PAGEUP)   camera_velocity_angle2++;
      if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2--;
      if (event->key.keysym.sym == SDLK_e)        camera_velocity.y--;
      if (event->key.keysym.sym == SDLK_q)        camera_velocity.y++;
      if (event->key.keysym.sym == SDLK_v)        camera_velocity_factor *= 1.5;
      if (event->key.keysym.sym == SDLK_b)        camera_velocity_factor /= 1.5;

      if (event->key.keysym.sym == SDLK_ESCAPE)
        done = 1;

      if ((event->key.keysym.sym == SDLK_g) &&
          (event->key.keysym.mod & KMOD_CTRL))
        HotKey_ToggleGrab ();

      if ((event->key.keysym.sym == SDLK_z) &&
          (event->key.keysym.mod & KMOD_CTRL))
        HotKey_Iconify ();

      if ((event->key.keysym.sym == SDLK_RETURN) &&
          (event->key.keysym.mod & KMOD_ALT))
        HotKey_ToggleFullScreen ();

      break;

    case SDL_KEYUP:
      if (event->key.keysym.sym == SDLK_UP)    camera_velocity.z++;
      if (event->key.keysym.sym == SDLK_DOWN)  camera_velocity.z--;
      if (event->key.keysym.sym == SDLK_LEFT)  camera_velocity_angle++;
      if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle--;
      if (event->key.keysym.sym == SDLK_PAGEUP)   camera_velocity_angle2--;
      if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2++;
      if (event->key.keysym.sym == SDLK_e)     camera_velocity.y++;
      if (event->key.keysym.sym == SDLK_q)     camera_velocity.y--;
      break;

    case SDL_QUIT:
      done = 1;
      break;
    }

  return (done);
}

void draw_floor (int size, int dx, int dy, int dz)
{
  int x, z, ry;

  for (x = 0; x < 10; x++)
    {
      for (z = 0; z < 10; z++)
        {
          vector<vertex_t2f_n3f_v3f> pts;
          pts.push_back (vertex_t2f_n3f_v3f (point (   0, 0,    0), vec3 (0, 1, 0), tex2 (0, 0)));
          pts.push_back (vertex_t2f_n3f_v3f (point (   0, 0, size), vec3 (0, 1, 0), tex2 (0, 1)));
          pts.push_back (vertex_t2f_n3f_v3f (point (size, 0, size), vec3 (0, 1, 0), tex2 (1, 1)));
          pts.push_back (vertex_t2f_n3f_v3f (point (size, 0,    0), vec3 (0, 1, 0), tex2 (1, 0)));

          geometry_quads *q = new geometry_quads;
          //q->m = new simple_material;
          q->set (pts);
          entity *e = new entity (q);
          e->move (vec3 (dx + x * size, dy, dz + z * size));
          e->show ();
        }
    }
}

void draw_test_nurb ()
{
  geometry_nurbs *q = new geometry_nurbs;
  q->set ();
  entity *e = new entity (q);
  e->move (vec3 (10, 3, -4));
  e->show ();
}

void fisch (vec3 center, GLfloat radius, int depth)
{
  entity *planet = new entity (new geometry_sphere (testmat, radius));
  planet->move (center);
  planet->show ();

  if (--depth)
    {
      GLfloat r2 = radius * .1F;
      GLfloat r3 = radius + r2;

      fisch (center + vec3 (r3, 0, 0), r2, depth);
      fisch (center + vec3 (0, 0, r3), r2, depth);
      fisch (center + vec3 (-r3, 0, 0), r2, depth);
    }
}

extern void draw_level ();

std::list<entity_moveable *> moveables;

void perfom_moves ()
{
  for (std::list<entity_moveable *>::iterator i = moveables.begin (); i != moveables.end (); ++i)
    {
      (*i)->perform_step (timer.diff);
    }
}

int
RunGLTest (int argc, char *argv[],
           int logo, int slowly, int bpp, float gamma, int noframe, int fsaa)
{
  int i;
  int rgb_size[3];
  int w = 640;
  int h = 480;
  int done = 0;
  int frames;
  Uint32 video_flags;
  int value;
      GLenum gl_error;

  if (SDL_Init (SDL_INIT_VIDEO) < 0)
    {
      fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ());
      exit (1);
    }

  /* See if we should detect the display depth */
  if (bpp == 0)
    {
      if (SDL_GetVideoInfo ()->vfmt->BitsPerPixel <= 8)
        bpp = 8;
      else
        bpp = 16;               /* More doesn't seem to work */
    }

  video_flags = SDL_OPENGL;

  for (i = 1; argv[i]; ++i)
    if (strcmp (argv[1], "-fullscreen") == 0)
      video_flags |= SDL_FULLSCREEN;

  if (noframe)
    video_flags |= SDL_NOFRAME;

  /* Initialize the display */
  switch (bpp)
    {
    case 8:
      rgb_size[0] = 3;
      rgb_size[1] = 3;
      rgb_size[2] = 2;
      break;

    case 15:
    case 16:
      rgb_size[0] = 5;
      rgb_size[1] = 5;
      rgb_size[2] = 5;
      break;

    default:
      rgb_size[0] = 8;
      rgb_size[1] = 8;
      rgb_size[2] = 8;
      break;
    }

  SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]);
  SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]);
  SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]);
  SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 24);
  SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);

  if (fsaa)
    {
      SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1);
      SDL_GL_SetAttribute (SDL_GL_MULTISAMPLESAMPLES, fsaa);
    }

  if (SDL_SetVideoMode (w, h, bpp, video_flags) == NULL)
    {
      fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ());
      SDL_Quit ();
      exit (1);
    }

  //printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel);
  //printf ("\n");
  //printf ("Vendor     : %s\n", glGetString (GL_VENDOR));
  //printf ("Renderer   : %s\n", glGetString (GL_RENDERER));
  //printf ("Version    : %s\n", glGetString (GL_VERSION));
  //printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS));
  printf ("\n");

  SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value);
  printf ("SDL_GL_RED_SIZE: requested %d, got %d\n", rgb_size[0], value);
  SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value);
  printf ("SDL_GL_GREEN_SIZE: requested %d, got %d\n", rgb_size[1], value);
  SDL_GL_GetAttribute (SDL_GL_BLUE_SIZE, &value);
  printf ("SDL_GL_BLUE_SIZE: requested %d, got %d\n", rgb_size[2], value);
  SDL_GL_GetAttribute (SDL_GL_DEPTH_SIZE, &value);
  printf ("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", bpp, value);
  SDL_GL_GetAttribute (SDL_GL_DOUBLEBUFFER, &value);
  printf ("SDL_GL_DOUBLEBUFFER: requested 1, got %d\n", value);

  if (fsaa)
    {
      SDL_GL_GetAttribute (SDL_GL_MULTISAMPLEBUFFERS, &value);
      printf ("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value);
      SDL_GL_GetAttribute (SDL_GL_MULTISAMPLESAMPLES, &value);
      printf ("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
              value);
    }

  /* Set the window manager title bar */
  SDL_WM_SetCaption ("libgender rendering test", "gendertest");

  /* Set the gamma for the window */
  if (gamma != 0.0)
    SDL_SetGamma (gamma, gamma, gamma);

  testmat = new test_material;

  entity_moveable *planet = new entity_moveable (new geometry_sphere (testmat, 10));
  planet->move (vec3 (0, 0, -20));
  planet->show ();

  planet->v = vec3 (10, 0, 0);
  moveables.push_back (planet);

  doom3parse ("test.proc");

  for (int i = 0; i < 20; i++)
    {
      // load a entity
      txtprt_parser p;
      geometry *g;
      try
        {
          g = p.read ("test.blasc");
        }
      catch (txtprt_i_exception & e)
        {
          cout << "ERR: " << e.msg << endl;
        }

      entity *e = new entity (g);
      e->move (vec3 (i*5, -3, -i*10));
      e->show ();
    }

  {
    fisch (vec3 (0, 0, -2e9), 1e9, 8);
    //entity *planet = new entity (new geometry_sphere (1e9));
    //planet->move (vec3 (0, 0, -1.5e9));
    //planet->show ();
  }

  {
    entity *planet = new entity (new geometry_sphere (testmat, 4e15));
    planet->move (vec3 (0, 0, 1e17));
    planet->show ();
  }

  //draw_floor (10, -500, -10, -1000);
  draw_level ();

#if 0
  {
    geometry_heightfield *hf = new geometry_heightfield (100000., 100000.);
    entity *e = new entity (hf);
    e->move (vec3 (-100000, -100000 * 0.01, -100000));
    e->show ();
  }
#endif

  //draw_test_nurb ();

  //camera.orig.x = 108; camera.orig.y = 0; camera.orig.z = -368;
  camera.orig.x = 0; camera.orig.y = 0; camera.orig.z = 0;
  camera.p = point (0, 0, 10);
  camera.d = vec3 (0, 0, -1);
  camera.u = vec3 (0, 1, 0);
  camera.w = w; camera.h = h;
  camera.fov = 40.;

  glDisable (GL_ALPHA_TEST);

  /* Loop until done. */
  frames = 0;

  linear_light mylight, mylight2;

  mylight.radius = 100000;
  mylight.c = colour (1., 1, 1, 1.);
  mylight.intensity = 1.F;

  mylight2.radius = 100000;
  mylight2.c = colour (1., 0, 0, 1.);
  mylight2.intensity = 1.F;

  pass_data pass_light (&mylight);
  pass_data pass_light2 (&mylight2);

  while (!done)
    {
      char *sdl_error;
      SDL_Event event;

      camera_angle  += 90 * camera_velocity_angle  * timer.diff;
      camera_angle2 += 90 * camera_velocity_angle2 * timer.diff;

      vec3 geradeaus = matrix::rotation (-camera_angle, vec3 (0, 1, 0)) * vec3 (0, 0, -1);
      vec3 right     = matrix::rotation (90., vec3 (0, 1, 0)) * geradeaus;

      camera.d = matrix::rotation (camera_angle2, right) * geradeaus;
      camera.u = cross (camera.d, right);

      camera.p = camera.p - camera.d * (camera_velocity_factor * timer.diff) * camera_velocity.z;
      camera.p = camera.p - camera.u * (camera_velocity_factor * timer.diff) * camera_velocity.y;

      mylight.orig = camera.orig;
      mylight.p = camera.p;

      mylight2.orig = camera.orig;
      mylight2.p = camera.p + vec3 (sin (timer.now * 2) * 100, 1, cos (timer.now * 2) * 100);

      //mylight.intensity = max (sinf (timer.now) + 1.2F, 0.2F);
      
      camera.begin ();
      camera.render (pass_depth);
      camera.render (pass_postdepth);
      camera.render (pass_light);
      //camera.render (view::LIGHTED, pass_light2);
      camera.end ();

      perfom_moves ();

      SDL_GL_SwapBuffers ();
      timer.frame ();

#if 0
      /* Check for error conditions. */
      gl_error = glGetError ();

      if (gl_error != GL_NO_ERROR) fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);

      sdl_error = SDL_GetError ();

      if (sdl_error[0] != '\0')
        {
          fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error);
          SDL_ClearError ();
        }

      /* Allow the user to see what's happening */
      //SDL_Delay (40);
#endif

      /* Check if there's a pending event. */
      while (SDL_PollEvent (&event))
        done = HandleEvent (&event);

      ++frames;
    }

  if (global_image)
    {
      SDL_FreeSurface (global_image);
      global_image = NULL;
    }

  if (global_texture)
    {
      glDeleteTextures (1, &global_texture);
      global_texture = 0;
    }

  /* Destroy our GL context, etc. */
  SDL_Quit ();
  return (0);
}
int
main (int argc, char *argv[])
{
  int i, logo;
  int numtests;
  int bpp = 0;
  int slowly;
  float gamma = 0.0;
  int noframe = 0;
  int fsaa = 0;

  logo = 0;
  slowly = 0;
  numtests = 1;
  for (i = 1; argv[i]; ++i)
    {
      if (strcmp (argv[i], "-twice") == 0)
        {
          ++numtests;
        }
      if (strcmp (argv[i], "-slow") == 0)
        {
          slowly = 1;
        }
      if (strcmp (argv[i], "-bpp") == 0)
        {
          bpp = atoi (argv[++i]);
        }
      if (strcmp (argv[i], "-gamma") == 0)
        {
          gamma = (float) atof (argv[++i]);
        }
      if (strcmp (argv[i], "-noframe") == 0)
        {
          noframe = 1;
        }
      if (strcmp (argv[i], "-fsaa") == 0)
        {
          ++fsaa;
        }
      if (strncmp (argv[i], "-h", 2) == 0)
        {
          printf
            ("Usage: %s [-twice] [-logo] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa]\n",
             argv[0]);
          exit (0);
        }
    }

  for (i = 0; i < numtests; ++i)
    RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa);

  return 0;
}
Revision:	1.95
Committed:	Thu Jan 6 03:09:00 2005 UTC (19 years, 5 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.94:	+0 -2 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	#include <stdlib.h>
2			#include <stdio.h>
3			#include <string.h>
4			#include <math.h>
5	root	1.94	#include <list>
6	root	1.1
7	root	1.62	#include "opengl.h"
8
9	root	1.1	#include "SDL.h"
10			#include "SDL_opengl.h"
11
12			static SDL_Surface *global_image = NULL;
13			static GLuint global_texture = 0;
14
15	root	1.29	#include "util.h"
16	root	1.2	#include "entity.h"
17	root	1.29	#include "txtprt_import.h"
18
19	root	1.84	bool doom3parse (const char *f);
20
21	root	1.70	#include "shader.h"
22
23	root	1.1	/**********************************************************************/
24
25	root	1.6	view camera;
26	root	1.18	vec3 camera_velocity;
27	root	1.51	float camera_angle, camera_angle2, camera_velocity_angle, camera_velocity_angle2;
28	root	1.50	float camera_velocity_factor = 80;
29	root	1.6
30	root	1.1	void
31			HotKey_ToggleFullScreen (void)
32			{
33			SDL_Surface *screen;
34
35			screen = SDL_GetVideoSurface ();
36	root	1.73
37	root	1.1	if (SDL_WM_ToggleFullScreen (screen))
38	root	1.5	printf ("Toggled fullscreen mode - now %s\n",
39			(screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed");
40	root	1.1	else
41	root	1.5	printf ("Unable to toggle fullscreen mode\n");
42	root	1.1	}
43
44			void
45			HotKey_ToggleGrab (void)
46			{
47			SDL_GrabMode mode;
48
49			printf ("Ctrl-G: toggling input grab!\n");
50			mode = SDL_WM_GrabInput (SDL_GRAB_QUERY);
51	root	1.73
52	root	1.1	if (mode == SDL_GRAB_ON)
53	root	1.5	printf ("Grab was on\n");
54	root	1.1	else
55	root	1.5	printf ("Grab was off\n");
56	root	1.1
57			mode = SDL_WM_GrabInput (mode ? SDL_GRAB_OFF : SDL_GRAB_ON);
58	root	1.73
59	root	1.1	if (mode == SDL_GRAB_ON)
60	root	1.5	printf ("Grab is now on\n");
61	root	1.1	else
62	root	1.5	printf ("Grab is now off\n");
63	root	1.1	}
64
65			void
66			HotKey_Iconify (void)
67			{
68			printf ("Ctrl-Z: iconifying window!\n");
69			SDL_WM_IconifyWindow ();
70			}
71
72			int
73			HandleEvent (SDL_Event * event)
74			{
75			int done;
76
77			done = 0;
78	root	1.73
79	root	1.1	switch (event->type)
80			{
81			case SDL_ACTIVEEVENT:
82			/* See what happened */
83			printf ("app %s ", event->active.gain ? "gained" : "lost");
84			if (event->active.state & SDL_APPACTIVE)
85	root	1.62	printf ("active ");
86	root	1.1	else if (event->active.state & SDL_APPMOUSEFOCUS)
87	root	1.62	printf ("mouse ");
88	root	1.1	else if (event->active.state & SDL_APPINPUTFOCUS)
89	root	1.62	printf ("input ");
90	root	1.1
91			printf ("focus\n");
92			break;
93
94			case SDL_KEYDOWN:
95	root	1.51	if (event->key.keysym.sym == SDLK_UP) camera_velocity.z--;
96			if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z++;
97			if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle++;
98			if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle--;
99			if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2++;
100			if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2--;
101			if (event->key.keysym.sym == SDLK_e) camera_velocity.y--;
102			if (event->key.keysym.sym == SDLK_q) camera_velocity.y++;
103			if (event->key.keysym.sym == SDLK_v) camera_velocity_factor *= 1.5;
104			if (event->key.keysym.sym == SDLK_b) camera_velocity_factor /= 1.5;
105	root	1.6
106	root	1.1	if (event->key.keysym.sym == SDLK_ESCAPE)
107	root	1.6	done = 1;
108	root	1.1
109			if ((event->key.keysym.sym == SDLK_g) &&
110			(event->key.keysym.mod & KMOD_CTRL))
111	root	1.6	HotKey_ToggleGrab ();
112	root	1.1
113			if ((event->key.keysym.sym == SDLK_z) &&
114			(event->key.keysym.mod & KMOD_CTRL))
115	root	1.6	HotKey_Iconify ();
116	root	1.1
117			if ((event->key.keysym.sym == SDLK_RETURN) &&
118			(event->key.keysym.mod & KMOD_ALT))
119	root	1.6	HotKey_ToggleFullScreen ();
120	root	1.1
121			break;
122
123	root	1.18	case SDL_KEYUP:
124	root	1.19	if (event->key.keysym.sym == SDLK_UP) camera_velocity.z++;
125			if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z--;
126	root	1.50	if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle++;
127			if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle--;
128	root	1.51	if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2--;
129			if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2++;
130	root	1.50	if (event->key.keysym.sym == SDLK_e) camera_velocity.y++;
131			if (event->key.keysym.sym == SDLK_q) camera_velocity.y--;
132	root	1.18	break;
133
134	root	1.1	case SDL_QUIT:
135			done = 1;
136			break;
137			}
138
139			return (done);
140			}
141
142	root	1.47	void draw_floor (int size, int dx, int dy, int dz)
143			{
144			int x, z, ry;
145
146	root	1.60	for (x = 0; x < 10; x++)
147	root	1.47	{
148	root	1.60	for (z = 0; z < 10; z++)
149	root	1.47	{
150	root	1.62	vector<vertex_t2f_n3f_v3f> pts;
151			pts.push_back (vertex_t2f_n3f_v3f (point ( 0, 0, 0), vec3 (0, 1, 0), tex2 (0, 0)));
152			pts.push_back (vertex_t2f_n3f_v3f (point ( 0, 0, size), vec3 (0, 1, 0), tex2 (0, 1)));
153			pts.push_back (vertex_t2f_n3f_v3f (point (size, 0, size), vec3 (0, 1, 0), tex2 (1, 1)));
154			pts.push_back (vertex_t2f_n3f_v3f (point (size, 0, 0), vec3 (0, 1, 0), tex2 (1, 0)));
155	root	1.47
156			geometry_quads *q = new geometry_quads;
157	root	1.78	//q->m = new simple_material;
158	root	1.47	q->set (pts);
159			entity *e = new entity (q);
160			e->move (vec3 (dx + x * size, dy, dz + z * size));
161			e->show ();
162			}
163			}
164			}
165
166	root	1.52	void draw_test_nurb ()
167			{
168	root	1.49	geometry_nurbs *q = new geometry_nurbs;
169			q->set ();
170			entity *e = new entity (q);
171			e->move (vec3 (10, 3, -4));
172			e->show ();
173			}
174
175	root	1.66	void fisch (vec3 center, GLfloat radius, int depth)
176			{
177	root	1.80	entity *planet = new entity (new geometry_sphere (testmat, radius));
178	root	1.66	planet->move (center);
179			planet->show ();
180
181			if (--depth)
182			{
183			GLfloat r2 = radius * .1F;
184			GLfloat r3 = radius + r2;
185
186			fisch (center + vec3 (r3, 0, 0), r2, depth);
187			fisch (center + vec3 (0, 0, r3), r2, depth);
188			fisch (center + vec3 (-r3, 0, 0), r2, depth);
189			}
190			}
191
192	root	1.54	extern void draw_level ();
193	root	1.92
194	root	1.94	std::list<entity_moveable *> moveables;
195
196			void perfom_moves ()
197			{
198			for (std::list<entity_moveable *>::iterator i = moveables.begin (); i != moveables.end (); ++i)
199			{
200			(*i)->perform_step (timer.diff);
201			}
202			}
203
204	root	1.1	int
205			RunGLTest (int argc, char *argv[],
206			int logo, int slowly, int bpp, float gamma, int noframe, int fsaa)
207			{
208			int i;
209			int rgb_size[3];
210			int w = 640;
211			int h = 480;
212			int done = 0;
213			int frames;
214	root	1.2	Uint32 video_flags;
215	root	1.1	int value;
216	root	1.45	GLenum gl_error;
217	root	1.1
218			if (SDL_Init (SDL_INIT_VIDEO) < 0)
219			{
220			fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ());
221			exit (1);
222			}
223
224			/* See if we should detect the display depth */
225			if (bpp == 0)
226			{
227			if (SDL_GetVideoInfo ()->vfmt->BitsPerPixel <= 8)
228	root	1.3	bpp = 8;
229	root	1.1	else
230	root	1.3	bpp = 16; /* More doesn't seem to work */
231	root	1.1	}
232
233	root	1.2	video_flags = SDL_OPENGL;
234
235	root	1.1	for (i = 1; argv[i]; ++i)
236	root	1.3	if (strcmp (argv[1], "-fullscreen") == 0)
237			video_flags \|= SDL_FULLSCREEN;
238	root	1.1
239			if (noframe)
240	root	1.3	video_flags \|= SDL_NOFRAME;
241	root	1.1
242			/* Initialize the display */
243			switch (bpp)
244			{
245			case 8:
246			rgb_size[0] = 3;
247			rgb_size[1] = 3;
248			rgb_size[2] = 2;
249			break;
250	root	1.3
251	root	1.1	case 15:
252			case 16:
253			rgb_size[0] = 5;
254			rgb_size[1] = 5;
255			rgb_size[2] = 5;
256			break;
257	root	1.3
258	root	1.1	default:
259			rgb_size[0] = 8;
260			rgb_size[1] = 8;
261			rgb_size[2] = 8;
262			break;
263			}
264	root	1.18
265	root	1.1	SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]);
266			SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]);
267			SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]);
268	root	1.69	SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 24);
269	root	1.1	SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
270	root	1.3
271	root	1.1	if (fsaa)
272			{
273			SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1);
274			SDL_GL_SetAttribute (SDL_GL_MULTISAMPLESAMPLES, fsaa);
275			}
276	root	1.3
277	root	1.1	if (SDL_SetVideoMode (w, h, bpp, video_flags) == NULL)
278			{
279			fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ());
280			SDL_Quit ();
281			exit (1);
282			}
283
284	root	1.69	//printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel);
285			//printf ("\n");
286			//printf ("Vendor : %s\n", glGetString (GL_VENDOR));
287			//printf ("Renderer : %s\n", glGetString (GL_RENDERER));
288			//printf ("Version : %s\n", glGetString (GL_VERSION));
289			//printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS));
290	root	1.1	printf ("\n");
291
292			SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value);
293			printf ("SDL_GL_RED_SIZE: requested %d, got %d\n", rgb_size[0], value);
294			SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value);
295			printf ("SDL_GL_GREEN_SIZE: requested %d, got %d\n", rgb_size[1], value);
296			SDL_GL_GetAttribute (SDL_GL_BLUE_SIZE, &value);
297			printf ("SDL_GL_BLUE_SIZE: requested %d, got %d\n", rgb_size[2], value);
298			SDL_GL_GetAttribute (SDL_GL_DEPTH_SIZE, &value);
299			printf ("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", bpp, value);
300			SDL_GL_GetAttribute (SDL_GL_DOUBLEBUFFER, &value);
301			printf ("SDL_GL_DOUBLEBUFFER: requested 1, got %d\n", value);
302	root	1.3
303	root	1.1	if (fsaa)
304			{
305			SDL_GL_GetAttribute (SDL_GL_MULTISAMPLEBUFFERS, &value);
306			printf ("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value);
307			SDL_GL_GetAttribute (SDL_GL_MULTISAMPLESAMPLES, &value);
308			printf ("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
309			value);
310			}
311
312			/* Set the window manager title bar */
313	root	1.12	SDL_WM_SetCaption ("libgender rendering test", "gendertest");
314	root	1.1
315			/* Set the gamma for the window */
316			if (gamma != 0.0)
317	root	1.3	SDL_SetGamma (gamma, gamma, gamma);
318	root	1.1
319	root	1.79	testmat = new test_material;
320
321	root	1.94	entity_moveable *planet = new entity_moveable (new geometry_sphere (testmat, 10));
322	root	1.78	planet->move (vec3 (0, 0, -20));
323			planet->show ();
324	root	1.84
325	root	1.94	planet->v = vec3 (10, 0, 0);
326			moveables.push_back (planet);
327
328	root	1.89	doom3parse ("test.proc");
329
330	root	1.56	for (int i = 0; i < 20; i++)
331	root	1.17	{
332	root	1.40	// load a entity
333	root	1.17	txtprt_parser p;
334	root	1.47	geometry *g;
335	root	1.17	try
336	root	1.40	{
337	root	1.47	g = p.read ("test.blasc");
338	root	1.40	}
339			catch (txtprt_i_exception & e)
340			{
341			cout << "ERR: " << e.msg << endl;
342			}
343
344	root	1.47	entity *e = new entity (g);
345			e->move (vec3 (i5, -3, -i10));
346			e->show ();
347	root	1.17	}
348	root	1.47
349	root	1.89	{
350			fisch (vec3 (0, 0, -2e9), 1e9, 8);
351			//entity *planet = new entity (new geometry_sphere (1e9));
352			//planet->move (vec3 (0, 0, -1.5e9));
353			//planet->show ();
354			}
355
356			{
357			entity *planet = new entity (new geometry_sphere (testmat, 4e15));
358			planet->move (vec3 (0, 0, 1e17));
359			planet->show ();
360			}
361	root	1.60
362	root	1.75	//draw_floor (10, -500, -10, -1000);
363	root	1.54	draw_level ();
364	root	1.73
365	root	1.83	#if 0
366	root	1.73	{
367	root	1.75	geometry_heightfield *hf = new geometry_heightfield (100000., 100000.);
368			entity *e = new entity (hf);
369			e->move (vec3 (-100000, -100000 * 0.01, -100000));
370	root	1.73	e->show ();
371			}
372	root	1.83	#endif
373	root	1.73
374	root	1.60	//draw_test_nurb ();
375	root	1.47
376	root	1.55	//camera.orig.x = 108; camera.orig.y = 0; camera.orig.z = -368;
377			camera.orig.x = 0; camera.orig.y = 0; camera.orig.z = 0;
378	root	1.6	camera.p = point (0, 0, 10);
379			camera.d = vec3 (0, 0, -1);
380			camera.u = vec3 (0, 1, 0);
381			camera.w = w; camera.h = h;
382	root	1.67	camera.fov = 40.;
383	root	1.1
384	root	1.65	glDisable (GL_ALPHA_TEST);
385	root	1.29
386	root	1.1	/* Loop until done. */
387			frames = 0;
388	root	1.16
389	root	1.90	linear_light mylight, mylight2;
390
391	root	1.78	mylight.radius = 100000;
392	root	1.79	mylight.c = colour (1., 1, 1, 1.);
393	root	1.80	mylight.intensity = 1.F;
394	root	1.78
395	root	1.90	mylight2.radius = 100000;
396			mylight2.c = colour (1., 0, 0, 1.);
397			mylight2.intensity = 1.F;
398
399	root	1.91	pass_data pass_light (&mylight);
400			pass_data pass_light2 (&mylight2);
401	root	1.78
402	root	1.1	while (!done)
403			{
404			char *sdl_error;
405			SDL_Event event;
406
407	root	1.88	camera_angle += 90 * camera_velocity_angle * timer.diff;
408			camera_angle2 += 90 * camera_velocity_angle2 * timer.diff;
409	root	1.51
410			vec3 geradeaus = matrix::rotation (-camera_angle, vec3 (0, 1, 0)) * vec3 (0, 0, -1);
411			vec3 right = matrix::rotation (90., vec3 (0, 1, 0)) * geradeaus;
412
413			camera.d = matrix::rotation (camera_angle2, right) * geradeaus;
414			camera.u = cross (camera.d, right);
415
416	root	1.50	camera.p = camera.p - camera.d * (camera_velocity_factor * timer.diff) * camera_velocity.z;
417			camera.p = camera.p - camera.u * (camera_velocity_factor * timer.diff) * camera_velocity.y;
418	root	1.18
419	root	1.78	mylight.orig = camera.orig;
420			mylight.p = camera.p;
421	root	1.1
422	root	1.90	mylight2.orig = camera.orig;
423			mylight2.p = camera.p + vec3 (sin (timer.now * 2) * 100, 1, cos (timer.now * 2) * 100);
424
425	root	1.79	//mylight.intensity = max (sinf (timer.now) + 1.2F, 0.2F);
426
427	root	1.34	camera.begin ();
428	root	1.91	camera.render (pass_depth);
429			camera.render (pass_postdepth);
430			camera.render (pass_light);
431	root	1.90	//camera.render (view::LIGHTED, pass_light2);
432	root	1.34	camera.end ();
433	root	1.94
434			perfom_moves ();
435	root	1.1
436			SDL_GL_SwapBuffers ();
437	root	1.15	timer.frame ();
438	root	1.62
439			#if 0
440	root	1.1	/* Check for error conditions. */
441			gl_error = glGetError ();
442
443	root	1.45	if (gl_error != GL_NO_ERROR) fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);
444	root	1.1
445			sdl_error = SDL_GetError ();
446
447			if (sdl_error[0] != '\0')
448			{
449			fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error);
450			SDL_ClearError ();
451			}
452
453			/* Allow the user to see what's happening */
454	root	1.51	//SDL_Delay (40);
455	root	1.62	#endif
456	root	1.1
457			/* Check if there's a pending event. */
458			while (SDL_PollEvent (&event))
459	root	1.18	done = HandleEvent (&event);
460	root	1.20
461	root	1.1	++frames;
462			}
463
464			if (global_image)
465			{
466			SDL_FreeSurface (global_image);
467			global_image = NULL;
468			}
469	root	1.73
470	root	1.1	if (global_texture)
471			{
472			glDeleteTextures (1, &global_texture);
473			global_texture = 0;
474			}
475
476			/* Destroy our GL context, etc. */
477			SDL_Quit ();
478			return (0);
479			}
480			int
481			main (int argc, char *argv[])
482			{
483			int i, logo;
484			int numtests;
485			int bpp = 0;
486			int slowly;
487			float gamma = 0.0;
488			int noframe = 0;
489			int fsaa = 0;
490	root	1.68
491	root	1.1	logo = 0;
492			slowly = 0;
493			numtests = 1;
494			for (i = 1; argv[i]; ++i)
495			{
496			if (strcmp (argv[i], "-twice") == 0)
497			{
498			++numtests;
499			}
500			if (strcmp (argv[i], "-slow") == 0)
501			{
502			slowly = 1;
503			}
504			if (strcmp (argv[i], "-bpp") == 0)
505			{
506			bpp = atoi (argv[++i]);
507			}
508			if (strcmp (argv[i], "-gamma") == 0)
509			{
510			gamma = (float) atof (argv[++i]);
511			}
512			if (strcmp (argv[i], "-noframe") == 0)
513			{
514			noframe = 1;
515			}
516			if (strcmp (argv[i], "-fsaa") == 0)
517			{
518			++fsaa;
519			}
520			if (strncmp (argv[i], "-h", 2) == 0)
521			{
522			printf
523			("Usage: %s [-twice] [-logo] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa]\n",
524			argv[0]);
525			exit (0);
526			}
527			}
528	root	1.17
529	root	1.1	for (i = 0; i < numtests; ++i)
530	root	1.17	RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa);
531
532	root	1.1	return 0;
533			}