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"

#include "physics.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:	1.94
Committed:	Thu Jan 6 02:15:17 2005 UTC (19 years, 5 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.93:	+19 -1 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	1.94	#include "physics.h"
24
25	root	1.1	/**********************************************************************/
26
27	root	1.6	view camera;
28	root	1.18	vec3 camera_velocity;
29	root	1.51	float camera_angle, camera_angle2, camera_velocity_angle, camera_velocity_angle2;
30	root	1.50	float camera_velocity_factor = 80;
31	root	1.6
32	root	1.1	void
33			HotKey_ToggleFullScreen (void)
34			{
35			SDL_Surface *screen;
36
37			screen = SDL_GetVideoSurface ();
38	root	1.73
39	root	1.1	if (SDL_WM_ToggleFullScreen (screen))
40	root	1.5	printf ("Toggled fullscreen mode - now %s\n",
41			(screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed");
42	root	1.1	else
43	root	1.5	printf ("Unable to toggle fullscreen mode\n");
44	root	1.1	}
45
46			void
47			HotKey_ToggleGrab (void)
48			{
49			SDL_GrabMode mode;
50
51			printf ("Ctrl-G: toggling input grab!\n");
52			mode = SDL_WM_GrabInput (SDL_GRAB_QUERY);
53	root	1.73
54	root	1.1	if (mode == SDL_GRAB_ON)
55	root	1.5	printf ("Grab was on\n");
56	root	1.1	else
57	root	1.5	printf ("Grab was off\n");
58	root	1.1
59			mode = SDL_WM_GrabInput (mode ? SDL_GRAB_OFF : SDL_GRAB_ON);
60	root	1.73
61	root	1.1	if (mode == SDL_GRAB_ON)
62	root	1.5	printf ("Grab is now on\n");
63	root	1.1	else
64	root	1.5	printf ("Grab is now off\n");
65	root	1.1	}
66
67			void
68			HotKey_Iconify (void)
69			{
70			printf ("Ctrl-Z: iconifying window!\n");
71			SDL_WM_IconifyWindow ();
72			}
73
74			int
75			HandleEvent (SDL_Event * event)
76			{
77			int done;
78
79			done = 0;
80	root	1.73
81	root	1.1	switch (event->type)
82			{
83			case SDL_ACTIVEEVENT:
84			/* See what happened */
85			printf ("app %s ", event->active.gain ? "gained" : "lost");
86			if (event->active.state & SDL_APPACTIVE)
87	root	1.62	printf ("active ");
88	root	1.1	else if (event->active.state & SDL_APPMOUSEFOCUS)
89	root	1.62	printf ("mouse ");
90	root	1.1	else if (event->active.state & SDL_APPINPUTFOCUS)
91	root	1.62	printf ("input ");
92	root	1.1
93			printf ("focus\n");
94			break;
95
96			case SDL_KEYDOWN:
97	root	1.51	if (event->key.keysym.sym == SDLK_UP) camera_velocity.z--;
98			if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z++;
99			if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle++;
100			if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle--;
101			if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2++;
102			if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2--;
103			if (event->key.keysym.sym == SDLK_e) camera_velocity.y--;
104			if (event->key.keysym.sym == SDLK_q) camera_velocity.y++;
105			if (event->key.keysym.sym == SDLK_v) camera_velocity_factor *= 1.5;
106			if (event->key.keysym.sym == SDLK_b) camera_velocity_factor /= 1.5;
107	root	1.6
108	root	1.1	if (event->key.keysym.sym == SDLK_ESCAPE)
109	root	1.6	done = 1;
110	root	1.1
111			if ((event->key.keysym.sym == SDLK_g) &&
112			(event->key.keysym.mod & KMOD_CTRL))
113	root	1.6	HotKey_ToggleGrab ();
114	root	1.1
115			if ((event->key.keysym.sym == SDLK_z) &&
116			(event->key.keysym.mod & KMOD_CTRL))
117	root	1.6	HotKey_Iconify ();
118	root	1.1
119			if ((event->key.keysym.sym == SDLK_RETURN) &&
120			(event->key.keysym.mod & KMOD_ALT))
121	root	1.6	HotKey_ToggleFullScreen ();
122	root	1.1
123			break;
124
125	root	1.18	case SDL_KEYUP:
126	root	1.19	if (event->key.keysym.sym == SDLK_UP) camera_velocity.z++;
127			if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z--;
128	root	1.50	if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle++;
129			if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle--;
130	root	1.51	if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2--;
131			if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2++;
132	root	1.50	if (event->key.keysym.sym == SDLK_e) camera_velocity.y++;
133			if (event->key.keysym.sym == SDLK_q) camera_velocity.y--;
134	root	1.18	break;
135
136	root	1.1	case SDL_QUIT:
137			done = 1;
138			break;
139			}
140
141			return (done);
142			}
143
144	root	1.47	void draw_floor (int size, int dx, int dy, int dz)
145			{
146			int x, z, ry;
147
148	root	1.60	for (x = 0; x < 10; x++)
149	root	1.47	{
150	root	1.60	for (z = 0; z < 10; z++)
151	root	1.47	{
152	root	1.62	vector<vertex_t2f_n3f_v3f> pts;
153			pts.push_back (vertex_t2f_n3f_v3f (point ( 0, 0, 0), vec3 (0, 1, 0), tex2 (0, 0)));
154			pts.push_back (vertex_t2f_n3f_v3f (point ( 0, 0, size), vec3 (0, 1, 0), tex2 (0, 1)));
155			pts.push_back (vertex_t2f_n3f_v3f (point (size, 0, size), vec3 (0, 1, 0), tex2 (1, 1)));
156			pts.push_back (vertex_t2f_n3f_v3f (point (size, 0, 0), vec3 (0, 1, 0), tex2 (1, 0)));
157	root	1.47
158			geometry_quads *q = new geometry_quads;
159	root	1.78	//q->m = new simple_material;
160	root	1.47	q->set (pts);
161			entity *e = new entity (q);
162			e->move (vec3 (dx + x * size, dy, dz + z * size));
163			e->show ();
164			}
165			}
166			}
167
168	root	1.52	void draw_test_nurb ()
169			{
170	root	1.49	geometry_nurbs *q = new geometry_nurbs;
171			q->set ();
172			entity *e = new entity (q);
173			e->move (vec3 (10, 3, -4));
174			e->show ();
175			}
176
177	root	1.66	void fisch (vec3 center, GLfloat radius, int depth)
178			{
179	root	1.80	entity *planet = new entity (new geometry_sphere (testmat, radius));
180	root	1.66	planet->move (center);
181			planet->show ();
182
183			if (--depth)
184			{
185			GLfloat r2 = radius * .1F;
186			GLfloat r3 = radius + r2;
187
188			fisch (center + vec3 (r3, 0, 0), r2, depth);
189			fisch (center + vec3 (0, 0, r3), r2, depth);
190			fisch (center + vec3 (-r3, 0, 0), r2, depth);
191			}
192			}
193
194	root	1.54	extern void draw_level ();
195	root	1.92
196	root	1.94	std::list<entity_moveable *> moveables;
197
198			void perfom_moves ()
199			{
200			for (std::list<entity_moveable *>::iterator i = moveables.begin (); i != moveables.end (); ++i)
201			{
202			(*i)->perform_step (timer.diff);
203			}
204			}
205
206	root	1.1	int
207			RunGLTest (int argc, char *argv[],
208			int logo, int slowly, int bpp, float gamma, int noframe, int fsaa)
209			{
210			int i;
211			int rgb_size[3];
212			int w = 640;
213			int h = 480;
214			int done = 0;
215			int frames;
216	root	1.2	Uint32 video_flags;
217	root	1.1	int value;
218	root	1.45	GLenum gl_error;
219	root	1.1
220			if (SDL_Init (SDL_INIT_VIDEO) < 0)
221			{
222			fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ());
223			exit (1);
224			}
225
226			/* See if we should detect the display depth */
227			if (bpp == 0)
228			{
229			if (SDL_GetVideoInfo ()->vfmt->BitsPerPixel <= 8)
230	root	1.3	bpp = 8;
231	root	1.1	else
232	root	1.3	bpp = 16; /* More doesn't seem to work */
233	root	1.1	}
234
235	root	1.2	video_flags = SDL_OPENGL;
236
237	root	1.1	for (i = 1; argv[i]; ++i)
238	root	1.3	if (strcmp (argv[1], "-fullscreen") == 0)
239			video_flags \|= SDL_FULLSCREEN;
240	root	1.1
241			if (noframe)
242	root	1.3	video_flags \|= SDL_NOFRAME;
243	root	1.1
244			/* Initialize the display */
245			switch (bpp)
246			{
247			case 8:
248			rgb_size[0] = 3;
249			rgb_size[1] = 3;
250			rgb_size[2] = 2;
251			break;
252	root	1.3
253	root	1.1	case 15:
254			case 16:
255			rgb_size[0] = 5;
256			rgb_size[1] = 5;
257			rgb_size[2] = 5;
258			break;
259	root	1.3
260	root	1.1	default:
261			rgb_size[0] = 8;
262			rgb_size[1] = 8;
263			rgb_size[2] = 8;
264			break;
265			}
266	root	1.18
267	root	1.1	SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]);
268			SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]);
269			SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]);
270	root	1.69	SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 24);
271	root	1.1	SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
272	root	1.3
273	root	1.1	if (fsaa)
274			{
275			SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1);
276			SDL_GL_SetAttribute (SDL_GL_MULTISAMPLESAMPLES, fsaa);
277			}
278	root	1.3
279	root	1.1	if (SDL_SetVideoMode (w, h, bpp, video_flags) == NULL)
280			{
281			fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ());
282			SDL_Quit ();
283			exit (1);
284			}
285
286	root	1.69	//printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel);
287			//printf ("\n");
288			//printf ("Vendor : %s\n", glGetString (GL_VENDOR));
289			//printf ("Renderer : %s\n", glGetString (GL_RENDERER));
290			//printf ("Version : %s\n", glGetString (GL_VERSION));
291			//printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS));
292	root	1.1	printf ("\n");
293
294			SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value);
295			printf ("SDL_GL_RED_SIZE: requested %d, got %d\n", rgb_size[0], value);
296			SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value);
297			printf ("SDL_GL_GREEN_SIZE: requested %d, got %d\n", rgb_size[1], value);
298			SDL_GL_GetAttribute (SDL_GL_BLUE_SIZE, &value);
299			printf ("SDL_GL_BLUE_SIZE: requested %d, got %d\n", rgb_size[2], value);
300			SDL_GL_GetAttribute (SDL_GL_DEPTH_SIZE, &value);
301			printf ("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", bpp, value);
302			SDL_GL_GetAttribute (SDL_GL_DOUBLEBUFFER, &value);
303			printf ("SDL_GL_DOUBLEBUFFER: requested 1, got %d\n", value);
304	root	1.3
305	root	1.1	if (fsaa)
306			{
307			SDL_GL_GetAttribute (SDL_GL_MULTISAMPLEBUFFERS, &value);
308			printf ("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value);
309			SDL_GL_GetAttribute (SDL_GL_MULTISAMPLESAMPLES, &value);
310			printf ("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
311			value);
312			}
313
314			/* Set the window manager title bar */
315	root	1.12	SDL_WM_SetCaption ("libgender rendering test", "gendertest");
316	root	1.1
317			/* Set the gamma for the window */
318			if (gamma != 0.0)
319	root	1.3	SDL_SetGamma (gamma, gamma, gamma);
320	root	1.1
321	root	1.79	testmat = new test_material;
322
323	root	1.94	entity_moveable *planet = new entity_moveable (new geometry_sphere (testmat, 10));
324	root	1.78	planet->move (vec3 (0, 0, -20));
325			planet->show ();
326	root	1.84
327	root	1.94	planet->v = vec3 (10, 0, 0);
328			moveables.push_back (planet);
329
330	root	1.89	doom3parse ("test.proc");
331
332	root	1.56	for (int i = 0; i < 20; i++)
333	root	1.17	{
334	root	1.40	// load a entity
335	root	1.17	txtprt_parser p;
336	root	1.47	geometry *g;
337	root	1.17	try
338	root	1.40	{
339	root	1.47	g = p.read ("test.blasc");
340	root	1.40	}
341			catch (txtprt_i_exception & e)
342			{
343			cout << "ERR: " << e.msg << endl;
344			}
345
346	root	1.47	entity *e = new entity (g);
347			e->move (vec3 (i5, -3, -i10));
348			e->show ();
349	root	1.17	}
350	root	1.47
351	root	1.89	{
352			fisch (vec3 (0, 0, -2e9), 1e9, 8);
353			//entity *planet = new entity (new geometry_sphere (1e9));
354			//planet->move (vec3 (0, 0, -1.5e9));
355			//planet->show ();
356			}
357
358			{
359			entity *planet = new entity (new geometry_sphere (testmat, 4e15));
360			planet->move (vec3 (0, 0, 1e17));
361			planet->show ();
362			}
363	root	1.60
364	root	1.75	//draw_floor (10, -500, -10, -1000);
365	root	1.54	draw_level ();
366	root	1.73
367	root	1.83	#if 0
368	root	1.73	{
369	root	1.75	geometry_heightfield *hf = new geometry_heightfield (100000., 100000.);
370			entity *e = new entity (hf);
371			e->move (vec3 (-100000, -100000 * 0.01, -100000));
372	root	1.73	e->show ();
373			}
374	root	1.83	#endif
375	root	1.73
376	root	1.60	//draw_test_nurb ();
377	root	1.47
378	root	1.55	//camera.orig.x = 108; camera.orig.y = 0; camera.orig.z = -368;
379			camera.orig.x = 0; camera.orig.y = 0; camera.orig.z = 0;
380	root	1.6	camera.p = point (0, 0, 10);
381			camera.d = vec3 (0, 0, -1);
382			camera.u = vec3 (0, 1, 0);
383			camera.w = w; camera.h = h;
384	root	1.67	camera.fov = 40.;
385	root	1.1
386	root	1.65	glDisable (GL_ALPHA_TEST);
387	root	1.29
388	root	1.1	/* Loop until done. */
389			frames = 0;
390	root	1.16
391	root	1.90	linear_light mylight, mylight2;
392
393	root	1.78	mylight.radius = 100000;
394	root	1.79	mylight.c = colour (1., 1, 1, 1.);
395	root	1.80	mylight.intensity = 1.F;
396	root	1.78
397	root	1.90	mylight2.radius = 100000;
398			mylight2.c = colour (1., 0, 0, 1.);
399			mylight2.intensity = 1.F;
400
401	root	1.91	pass_data pass_light (&mylight);
402			pass_data pass_light2 (&mylight2);
403	root	1.78
404	root	1.1	while (!done)
405			{
406			char *sdl_error;
407			SDL_Event event;
408
409	root	1.88	camera_angle += 90 * camera_velocity_angle * timer.diff;
410			camera_angle2 += 90 * camera_velocity_angle2 * timer.diff;
411	root	1.51
412			vec3 geradeaus = matrix::rotation (-camera_angle, vec3 (0, 1, 0)) * vec3 (0, 0, -1);
413			vec3 right = matrix::rotation (90., vec3 (0, 1, 0)) * geradeaus;
414
415			camera.d = matrix::rotation (camera_angle2, right) * geradeaus;
416			camera.u = cross (camera.d, right);
417
418	root	1.50	camera.p = camera.p - camera.d * (camera_velocity_factor * timer.diff) * camera_velocity.z;
419			camera.p = camera.p - camera.u * (camera_velocity_factor * timer.diff) * camera_velocity.y;
420	root	1.18
421	root	1.78	mylight.orig = camera.orig;
422			mylight.p = camera.p;
423	root	1.1
424	root	1.90	mylight2.orig = camera.orig;
425			mylight2.p = camera.p + vec3 (sin (timer.now * 2) * 100, 1, cos (timer.now * 2) * 100);
426
427	root	1.79	//mylight.intensity = max (sinf (timer.now) + 1.2F, 0.2F);
428
429	root	1.34	camera.begin ();
430	root	1.91	camera.render (pass_depth);
431			camera.render (pass_postdepth);
432			camera.render (pass_light);
433	root	1.90	//camera.render (view::LIGHTED, pass_light2);
434	root	1.34	camera.end ();
435	root	1.94
436			perfom_moves ();
437	root	1.1
438			SDL_GL_SwapBuffers ();
439	root	1.15	timer.frame ();
440	root	1.62
441			#if 0
442	root	1.1	/* Check for error conditions. */
443			gl_error = glGetError ();
444
445	root	1.45	if (gl_error != GL_NO_ERROR) fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);
446	root	1.1
447			sdl_error = SDL_GetError ();
448
449			if (sdl_error[0] != '\0')
450			{
451			fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error);
452			SDL_ClearError ();
453			}
454
455			/* Allow the user to see what's happening */
456	root	1.51	//SDL_Delay (40);
457	root	1.62	#endif
458	root	1.1
459			/* Check if there's a pending event. */
460			while (SDL_PollEvent (&event))
461	root	1.18	done = HandleEvent (&event);
462	root	1.20
463	root	1.1	++frames;
464			}
465
466			if (global_image)
467			{
468			SDL_FreeSurface (global_image);
469			global_image = NULL;
470			}
471	root	1.73
472	root	1.1	if (global_texture)
473			{
474			glDeleteTextures (1, &global_texture);
475			global_texture = 0;
476			}
477
478			/* Destroy our GL context, etc. */
479			SDL_Quit ();
480			return (0);
481			}
482			int
483			main (int argc, char *argv[])
484			{
485			int i, logo;
486			int numtests;
487			int bpp = 0;
488			int slowly;
489			float gamma = 0.0;
490			int noframe = 0;
491			int fsaa = 0;
492	root	1.68
493	root	1.1	logo = 0;
494			slowly = 0;
495			numtests = 1;
496			for (i = 1; argv[i]; ++i)
497			{
498			if (strcmp (argv[i], "-twice") == 0)
499			{
500			++numtests;
501			}
502			if (strcmp (argv[i], "-slow") == 0)
503			{
504			slowly = 1;
505			}
506			if (strcmp (argv[i], "-bpp") == 0)
507			{
508			bpp = atoi (argv[++i]);
509			}
510			if (strcmp (argv[i], "-gamma") == 0)
511			{
512			gamma = (float) atof (argv[++i]);
513			}
514			if (strcmp (argv[i], "-noframe") == 0)
515			{
516			noframe = 1;
517			}
518			if (strcmp (argv[i], "-fsaa") == 0)
519			{
520			++fsaa;
521			}
522			if (strncmp (argv[i], "-h", 2) == 0)
523			{
524			printf
525			("Usage: %s [-twice] [-logo] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa]\n",
526			argv[0]);
527			exit (0);
528			}
529			}
530	root	1.17
531	root	1.1	for (i = 0; i < numtests; ++i)
532	root	1.17	RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa);
533
534	root	1.1	return 0;
535			}