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 *
#	Content
1	#include <stdlib.h>
2	#include <stdio.h>
3	#include <string.h>
4	#include <math.h>
5	#include <list>
6
7	#include "opengl.h"
8
9	#include "SDL.h"
10	#include "SDL_opengl.h"
11
12	static SDL_Surface *global_image = NULL;
13	static GLuint global_texture = 0;
14
15	#include "util.h"
16	#include "entity.h"
17	#include "txtprt_import.h"
18
19	bool doom3parse (const char *f);
20
21	#include "shader.h"
22
23	/**********************************************************************/
24
25	view camera;
26	vec3 camera_velocity;
27	float camera_angle, camera_angle2, camera_velocity_angle, camera_velocity_angle2;
28	float camera_velocity_factor = 80;
29
30	void
31	HotKey_ToggleFullScreen (void)
32	{
33	SDL_Surface *screen;
34
35	screen = SDL_GetVideoSurface ();
36
37	if (SDL_WM_ToggleFullScreen (screen))
38	printf ("Toggled fullscreen mode - now %s\n",
39	(screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed");
40	else
41	printf ("Unable to toggle fullscreen mode\n");
42	}
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
52	if (mode == SDL_GRAB_ON)
53	printf ("Grab was on\n");
54	else
55	printf ("Grab was off\n");
56
57	mode = SDL_WM_GrabInput (mode ? SDL_GRAB_OFF : SDL_GRAB_ON);
58
59	if (mode == SDL_GRAB_ON)
60	printf ("Grab is now on\n");
61	else
62	printf ("Grab is now off\n");
63	}
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
79	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	printf ("active ");
86	else if (event->active.state & SDL_APPMOUSEFOCUS)
87	printf ("mouse ");
88	else if (event->active.state & SDL_APPINPUTFOCUS)
89	printf ("input ");
90
91	printf ("focus\n");
92	break;
93
94	case SDL_KEYDOWN:
95	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
106	if (event->key.keysym.sym == SDLK_ESCAPE)
107	done = 1;
108
109	if ((event->key.keysym.sym == SDLK_g) &&
110	(event->key.keysym.mod & KMOD_CTRL))
111	HotKey_ToggleGrab ();
112
113	if ((event->key.keysym.sym == SDLK_z) &&
114	(event->key.keysym.mod & KMOD_CTRL))
115	HotKey_Iconify ();
116
117	if ((event->key.keysym.sym == SDLK_RETURN) &&
118	(event->key.keysym.mod & KMOD_ALT))
119	HotKey_ToggleFullScreen ();
120
121	break;
122
123	case SDL_KEYUP:
124	if (event->key.keysym.sym == SDLK_UP) camera_velocity.z++;
125	if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z--;
126	if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle++;
127	if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle--;
128	if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2--;
129	if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2++;
130	if (event->key.keysym.sym == SDLK_e) camera_velocity.y++;
131	if (event->key.keysym.sym == SDLK_q) camera_velocity.y--;
132	break;
133
134	case SDL_QUIT:
135	done = 1;
136	break;
137	}
138
139	return (done);
140	}
141
142	void draw_floor (int size, int dx, int dy, int dz)
143	{
144	int x, z, ry;
145
146	for (x = 0; x < 10; x++)
147	{
148	for (z = 0; z < 10; z++)
149	{
150	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
156	geometry_quads *q = new geometry_quads;
157	//q->m = new simple_material;
158	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	void draw_test_nurb ()
167	{
168	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	void fisch (vec3 center, GLfloat radius, int depth)
176	{
177	entity *planet = new entity (new geometry_sphere (testmat, radius));
178	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	extern void draw_level ();
193
194	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	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	Uint32 video_flags;
215	int value;
216	GLenum gl_error;
217
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	bpp = 8;
229	else
230	bpp = 16; /* More doesn't seem to work */
231	}
232
233	video_flags = SDL_OPENGL;
234
235	for (i = 1; argv[i]; ++i)
236	if (strcmp (argv[1], "-fullscreen") == 0)
237	video_flags \|= SDL_FULLSCREEN;
238
239	if (noframe)
240	video_flags \|= SDL_NOFRAME;
241
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
251	case 15:
252	case 16:
253	rgb_size[0] = 5;
254	rgb_size[1] = 5;
255	rgb_size[2] = 5;
256	break;
257
258	default:
259	rgb_size[0] = 8;
260	rgb_size[1] = 8;
261	rgb_size[2] = 8;
262	break;
263	}
264
265	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	SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 24);
269	SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
270
271	if (fsaa)
272	{
273	SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1);
274	SDL_GL_SetAttribute (SDL_GL_MULTISAMPLESAMPLES, fsaa);
275	}
276
277	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	//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	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
303	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	SDL_WM_SetCaption ("libgender rendering test", "gendertest");
314
315	/* Set the gamma for the window */
316	if (gamma != 0.0)
317	SDL_SetGamma (gamma, gamma, gamma);
318
319	testmat = new test_material;
320
321	entity_moveable *planet = new entity_moveable (new geometry_sphere (testmat, 10));
322	planet->move (vec3 (0, 0, -20));
323	planet->show ();
324
325	planet->v = vec3 (10, 0, 0);
326	moveables.push_back (planet);
327
328	doom3parse ("test.proc");
329
330	for (int i = 0; i < 20; i++)
331	{
332	// load a entity
333	txtprt_parser p;
334	geometry *g;
335	try
336	{
337	g = p.read ("test.blasc");
338	}
339	catch (txtprt_i_exception & e)
340	{
341	cout << "ERR: " << e.msg << endl;
342	}
343
344	entity *e = new entity (g);
345	e->move (vec3 (i5, -3, -i10));
346	e->show ();
347	}
348
349	{
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
362	//draw_floor (10, -500, -10, -1000);
363	draw_level ();
364
365	#if 0
366	{
367	geometry_heightfield *hf = new geometry_heightfield (100000., 100000.);
368	entity *e = new entity (hf);
369	e->move (vec3 (-100000, -100000 * 0.01, -100000));
370	e->show ();
371	}
372	#endif
373
374	//draw_test_nurb ();
375
376	//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	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	camera.fov = 40.;
383
384	glDisable (GL_ALPHA_TEST);
385
386	/* Loop until done. */
387	frames = 0;
388
389	linear_light mylight, mylight2;
390
391	mylight.radius = 100000;
392	mylight.c = colour (1., 1, 1, 1.);
393	mylight.intensity = 1.F;
394
395	mylight2.radius = 100000;
396	mylight2.c = colour (1., 0, 0, 1.);
397	mylight2.intensity = 1.F;
398
399	pass_data pass_light (&mylight);
400	pass_data pass_light2 (&mylight2);
401
402	while (!done)
403	{
404	char *sdl_error;
405	SDL_Event event;
406
407	camera_angle += 90 * camera_velocity_angle * timer.diff;
408	camera_angle2 += 90 * camera_velocity_angle2 * timer.diff;
409
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	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
419	mylight.orig = camera.orig;
420	mylight.p = camera.p;
421
422	mylight2.orig = camera.orig;
423	mylight2.p = camera.p + vec3 (sin (timer.now * 2) * 100, 1, cos (timer.now * 2) * 100);
424
425	//mylight.intensity = max (sinf (timer.now) + 1.2F, 0.2F);
426
427	camera.begin ();
428	camera.render (pass_depth);
429	camera.render (pass_postdepth);
430	camera.render (pass_light);
431	//camera.render (view::LIGHTED, pass_light2);
432	camera.end ();
433
434	perfom_moves ();
435
436	SDL_GL_SwapBuffers ();
437	timer.frame ();
438
439	#if 0
440	/* Check for error conditions. */
441	gl_error = glGetError ();
442
443	if (gl_error != GL_NO_ERROR) fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);
444
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	//SDL_Delay (40);
455	#endif
456
457	/* Check if there's a pending event. */
458	while (SDL_PollEvent (&event))
459	done = HandleEvent (&event);
460
461	++frames;
462	}
463
464	if (global_image)
465	{
466	SDL_FreeSurface (global_image);
467	global_image = NULL;
468	}
469
470	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
491	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
529	for (i = 0; i < numtests; ++i)
530	RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa);
531
532	return 0;
533	}