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 *
#	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	#include "physics.h"
24
25	/**********************************************************************/
26
27	view camera;
28	vec3 camera_velocity;
29	float camera_angle, camera_angle2, camera_velocity_angle, camera_velocity_angle2;
30	float camera_velocity_factor = 80;
31
32	void
33	HotKey_ToggleFullScreen (void)
34	{
35	SDL_Surface *screen;
36
37	screen = SDL_GetVideoSurface ();
38
39	if (SDL_WM_ToggleFullScreen (screen))
40	printf ("Toggled fullscreen mode - now %s\n",
41	(screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed");
42	else
43	printf ("Unable to toggle fullscreen mode\n");
44	}
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
54	if (mode == SDL_GRAB_ON)
55	printf ("Grab was on\n");
56	else
57	printf ("Grab was off\n");
58
59	mode = SDL_WM_GrabInput (mode ? SDL_GRAB_OFF : SDL_GRAB_ON);
60
61	if (mode == SDL_GRAB_ON)
62	printf ("Grab is now on\n");
63	else
64	printf ("Grab is now off\n");
65	}
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
81	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	printf ("active ");
88	else if (event->active.state & SDL_APPMOUSEFOCUS)
89	printf ("mouse ");
90	else if (event->active.state & SDL_APPINPUTFOCUS)
91	printf ("input ");
92
93	printf ("focus\n");
94	break;
95
96	case SDL_KEYDOWN:
97	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
108	if (event->key.keysym.sym == SDLK_ESCAPE)
109	done = 1;
110
111	if ((event->key.keysym.sym == SDLK_g) &&
112	(event->key.keysym.mod & KMOD_CTRL))
113	HotKey_ToggleGrab ();
114
115	if ((event->key.keysym.sym == SDLK_z) &&
116	(event->key.keysym.mod & KMOD_CTRL))
117	HotKey_Iconify ();
118
119	if ((event->key.keysym.sym == SDLK_RETURN) &&
120	(event->key.keysym.mod & KMOD_ALT))
121	HotKey_ToggleFullScreen ();
122
123	break;
124
125	case SDL_KEYUP:
126	if (event->key.keysym.sym == SDLK_UP) camera_velocity.z++;
127	if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z--;
128	if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle++;
129	if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle--;
130	if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2--;
131	if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2++;
132	if (event->key.keysym.sym == SDLK_e) camera_velocity.y++;
133	if (event->key.keysym.sym == SDLK_q) camera_velocity.y--;
134	break;
135
136	case SDL_QUIT:
137	done = 1;
138	break;
139	}
140
141	return (done);
142	}
143
144	void draw_floor (int size, int dx, int dy, int dz)
145	{
146	int x, z, ry;
147
148	for (x = 0; x < 10; x++)
149	{
150	for (z = 0; z < 10; z++)
151	{
152	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
158	geometry_quads *q = new geometry_quads;
159	//q->m = new simple_material;
160	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	void draw_test_nurb ()
169	{
170	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	void fisch (vec3 center, GLfloat radius, int depth)
178	{
179	entity *planet = new entity (new geometry_sphere (testmat, radius));
180	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	extern void draw_level ();
195
196	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	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	Uint32 video_flags;
217	int value;
218	GLenum gl_error;
219
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	bpp = 8;
231	else
232	bpp = 16; /* More doesn't seem to work */
233	}
234
235	video_flags = SDL_OPENGL;
236
237	for (i = 1; argv[i]; ++i)
238	if (strcmp (argv[1], "-fullscreen") == 0)
239	video_flags \|= SDL_FULLSCREEN;
240
241	if (noframe)
242	video_flags \|= SDL_NOFRAME;
243
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
253	case 15:
254	case 16:
255	rgb_size[0] = 5;
256	rgb_size[1] = 5;
257	rgb_size[2] = 5;
258	break;
259
260	default:
261	rgb_size[0] = 8;
262	rgb_size[1] = 8;
263	rgb_size[2] = 8;
264	break;
265	}
266
267	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	SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 24);
271	SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
272
273	if (fsaa)
274	{
275	SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1);
276	SDL_GL_SetAttribute (SDL_GL_MULTISAMPLESAMPLES, fsaa);
277	}
278
279	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	//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	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
305	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	SDL_WM_SetCaption ("libgender rendering test", "gendertest");
316
317	/* Set the gamma for the window */
318	if (gamma != 0.0)
319	SDL_SetGamma (gamma, gamma, gamma);
320
321	testmat = new test_material;
322
323	entity_moveable *planet = new entity_moveable (new geometry_sphere (testmat, 10));
324	planet->move (vec3 (0, 0, -20));
325	planet->show ();
326
327	planet->v = vec3 (10, 0, 0);
328	moveables.push_back (planet);
329
330	doom3parse ("test.proc");
331
332	for (int i = 0; i < 20; i++)
333	{
334	// load a entity
335	txtprt_parser p;
336	geometry *g;
337	try
338	{
339	g = p.read ("test.blasc");
340	}
341	catch (txtprt_i_exception & e)
342	{
343	cout << "ERR: " << e.msg << endl;
344	}
345
346	entity *e = new entity (g);
347	e->move (vec3 (i5, -3, -i10));
348	e->show ();
349	}
350
351	{
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
364	//draw_floor (10, -500, -10, -1000);
365	draw_level ();
366
367	#if 0
368	{
369	geometry_heightfield *hf = new geometry_heightfield (100000., 100000.);
370	entity *e = new entity (hf);
371	e->move (vec3 (-100000, -100000 * 0.01, -100000));
372	e->show ();
373	}
374	#endif
375
376	//draw_test_nurb ();
377
378	//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	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	camera.fov = 40.;
385
386	glDisable (GL_ALPHA_TEST);
387
388	/* Loop until done. */
389	frames = 0;
390
391	linear_light mylight, mylight2;
392
393	mylight.radius = 100000;
394	mylight.c = colour (1., 1, 1, 1.);
395	mylight.intensity = 1.F;
396
397	mylight2.radius = 100000;
398	mylight2.c = colour (1., 0, 0, 1.);
399	mylight2.intensity = 1.F;
400
401	pass_data pass_light (&mylight);
402	pass_data pass_light2 (&mylight2);
403
404	while (!done)
405	{
406	char *sdl_error;
407	SDL_Event event;
408
409	camera_angle += 90 * camera_velocity_angle * timer.diff;
410	camera_angle2 += 90 * camera_velocity_angle2 * timer.diff;
411
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	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
421	mylight.orig = camera.orig;
422	mylight.p = camera.p;
423
424	mylight2.orig = camera.orig;
425	mylight2.p = camera.p + vec3 (sin (timer.now * 2) * 100, 1, cos (timer.now * 2) * 100);
426
427	//mylight.intensity = max (sinf (timer.now) + 1.2F, 0.2F);
428
429	camera.begin ();
430	camera.render (pass_depth);
431	camera.render (pass_postdepth);
432	camera.render (pass_light);
433	//camera.render (view::LIGHTED, pass_light2);
434	camera.end ();
435
436	perfom_moves ();
437
438	SDL_GL_SwapBuffers ();
439	timer.frame ();
440
441	#if 0
442	/* Check for error conditions. */
443	gl_error = glGetError ();
444
445	if (gl_error != GL_NO_ERROR) fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);
446
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	//SDL_Delay (40);
457	#endif
458
459	/* Check if there's a pending event. */
460	while (SDL_PollEvent (&event))
461	done = HandleEvent (&event);
462
463	++frames;
464	}
465
466	if (global_image)
467	{
468	SDL_FreeSurface (global_image);
469	global_image = NULL;
470	}
471
472	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
493	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
531	for (i = 0; i < numtests; ++i)
532	RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa);
533
534	return 0;
535	}