libgender/test.C

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

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

  //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.;

  glEnable (GL_CULL_FACE);
  glDisable (GL_ALPHA_TEST);
  glDisable (GL_BLEND);

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

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

  pass pass_light (&mylight);

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

      camera_angle  += 180 * camera_velocity_angle  * timer.diff;
      camera_angle2 += 180 * 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;

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

      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:	1.84
Committed:	Sat Nov 6 00:44:50 2004 UTC (19 years, 7 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.83:	+6 -0 lines
Log Message:	* empty log message *
#	Content
1	#include <stdlib.h>
2	#include <stdio.h>
3	#include <string.h>
4	#include <math.h>
5
6	#include "opengl.h"
7
8	#include "SDL.h"
9	#include "SDL_opengl.h"
10
11	static SDL_Surface *global_image = NULL;
12	static GLuint global_texture = 0;
13
14	#include "util.h"
15	#include "entity.h"
16	#include "txtprt_import.h"
17
18	bool doom3parse (const char *f);
19
20	#include "shader.h"
21
22	/**********************************************************************/
23
24	view camera;
25	vec3 camera_velocity;
26	float camera_angle, camera_angle2, camera_velocity_angle, camera_velocity_angle2;
27	float camera_velocity_factor = 80;
28
29	void
30	HotKey_ToggleFullScreen (void)
31	{
32	SDL_Surface *screen;
33
34	screen = SDL_GetVideoSurface ();
35
36	if (SDL_WM_ToggleFullScreen (screen))
37	printf ("Toggled fullscreen mode - now %s\n",
38	(screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed");
39	else
40	printf ("Unable to toggle fullscreen mode\n");
41	}
42
43	void
44	HotKey_ToggleGrab (void)
45	{
46	SDL_GrabMode mode;
47
48	printf ("Ctrl-G: toggling input grab!\n");
49	mode = SDL_WM_GrabInput (SDL_GRAB_QUERY);
50
51	if (mode == SDL_GRAB_ON)
52	printf ("Grab was on\n");
53	else
54	printf ("Grab was off\n");
55
56	mode = SDL_WM_GrabInput (mode ? SDL_GRAB_OFF : SDL_GRAB_ON);
57
58	if (mode == SDL_GRAB_ON)
59	printf ("Grab is now on\n");
60	else
61	printf ("Grab is now off\n");
62	}
63
64	void
65	HotKey_Iconify (void)
66	{
67	printf ("Ctrl-Z: iconifying window!\n");
68	SDL_WM_IconifyWindow ();
69	}
70
71	int
72	HandleEvent (SDL_Event * event)
73	{
74	int done;
75
76	done = 0;
77
78	switch (event->type)
79	{
80	case SDL_ACTIVEEVENT:
81	/* See what happened */
82	printf ("app %s ", event->active.gain ? "gained" : "lost");
83	if (event->active.state & SDL_APPACTIVE)
84	printf ("active ");
85	else if (event->active.state & SDL_APPMOUSEFOCUS)
86	printf ("mouse ");
87	else if (event->active.state & SDL_APPINPUTFOCUS)
88	printf ("input ");
89
90	printf ("focus\n");
91	break;
92
93	case SDL_KEYDOWN:
94	if (event->key.keysym.sym == SDLK_UP) camera_velocity.z--;
95	if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z++;
96	if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle++;
97	if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle--;
98	if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2++;
99	if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2--;
100	if (event->key.keysym.sym == SDLK_e) camera_velocity.y--;
101	if (event->key.keysym.sym == SDLK_q) camera_velocity.y++;
102	if (event->key.keysym.sym == SDLK_v) camera_velocity_factor *= 1.5;
103	if (event->key.keysym.sym == SDLK_b) camera_velocity_factor /= 1.5;
104
105	if (event->key.keysym.sym == SDLK_ESCAPE)
106	done = 1;
107
108	if ((event->key.keysym.sym == SDLK_g) &&
109	(event->key.keysym.mod & KMOD_CTRL))
110	HotKey_ToggleGrab ();
111
112	if ((event->key.keysym.sym == SDLK_z) &&
113	(event->key.keysym.mod & KMOD_CTRL))
114	HotKey_Iconify ();
115
116	if ((event->key.keysym.sym == SDLK_RETURN) &&
117	(event->key.keysym.mod & KMOD_ALT))
118	HotKey_ToggleFullScreen ();
119
120	break;
121
122	case SDL_KEYUP:
123	if (event->key.keysym.sym == SDLK_UP) camera_velocity.z++;
124	if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z--;
125	if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle++;
126	if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle--;
127	if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2--;
128	if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2++;
129	if (event->key.keysym.sym == SDLK_e) camera_velocity.y++;
130	if (event->key.keysym.sym == SDLK_q) camera_velocity.y--;
131	break;
132
133	case SDL_QUIT:
134	done = 1;
135	break;
136	}
137
138	return (done);
139	}
140
141	void draw_floor (int size, int dx, int dy, int dz)
142	{
143	int x, z, ry;
144
145	for (x = 0; x < 10; x++)
146	{
147	for (z = 0; z < 10; z++)
148	{
149	vector<vertex_t2f_n3f_v3f> pts;
150	pts.push_back (vertex_t2f_n3f_v3f (point ( 0, 0, 0), vec3 (0, 1, 0), tex2 (0, 0)));
151	pts.push_back (vertex_t2f_n3f_v3f (point ( 0, 0, size), vec3 (0, 1, 0), tex2 (0, 1)));
152	pts.push_back (vertex_t2f_n3f_v3f (point (size, 0, size), vec3 (0, 1, 0), tex2 (1, 1)));
153	pts.push_back (vertex_t2f_n3f_v3f (point (size, 0, 0), vec3 (0, 1, 0), tex2 (1, 0)));
154
155	geometry_quads *q = new geometry_quads;
156	//q->m = new simple_material;
157	q->set (pts);
158	entity *e = new entity (q);
159	e->move (vec3 (dx + x * size, dy, dz + z * size));
160	e->show ();
161	}
162	}
163	}
164
165	void draw_test_nurb ()
166	{
167	geometry_nurbs *q = new geometry_nurbs;
168	q->set ();
169	entity *e = new entity (q);
170	e->move (vec3 (10, 3, -4));
171	e->show ();
172	}
173
174	void fisch (vec3 center, GLfloat radius, int depth)
175	{
176	entity *planet = new entity (new geometry_sphere (testmat, radius));
177	planet->move (center);
178	planet->show ();
179
180	if (--depth)
181	{
182	GLfloat r2 = radius * .1F;
183	GLfloat r3 = radius + r2;
184
185	fisch (center + vec3 (r3, 0, 0), r2, depth);
186	fisch (center + vec3 (0, 0, r3), r2, depth);
187	fisch (center + vec3 (-r3, 0, 0), r2, depth);
188	}
189	}
190
191	extern void draw_level ();
192	int
193	RunGLTest (int argc, char *argv[],
194	int logo, int slowly, int bpp, float gamma, int noframe, int fsaa)
195	{
196	int i;
197	int rgb_size[3];
198	int w = 640;
199	int h = 480;
200	int done = 0;
201	int frames;
202	Uint32 video_flags;
203	int value;
204	GLenum gl_error;
205
206	if (SDL_Init (SDL_INIT_VIDEO) < 0)
207	{
208	fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ());
209	exit (1);
210	}
211
212	/* See if we should detect the display depth */
213	if (bpp == 0)
214	{
215	if (SDL_GetVideoInfo ()->vfmt->BitsPerPixel <= 8)
216	bpp = 8;
217	else
218	bpp = 16; /* More doesn't seem to work */
219	}
220
221	video_flags = SDL_OPENGL;
222
223	for (i = 1; argv[i]; ++i)
224	if (strcmp (argv[1], "-fullscreen") == 0)
225	video_flags \|= SDL_FULLSCREEN;
226
227	if (noframe)
228	video_flags \|= SDL_NOFRAME;
229
230	/* Initialize the display */
231	switch (bpp)
232	{
233	case 8:
234	rgb_size[0] = 3;
235	rgb_size[1] = 3;
236	rgb_size[2] = 2;
237	break;
238
239	case 15:
240	case 16:
241	rgb_size[0] = 5;
242	rgb_size[1] = 5;
243	rgb_size[2] = 5;
244	break;
245
246	default:
247	rgb_size[0] = 8;
248	rgb_size[1] = 8;
249	rgb_size[2] = 8;
250	break;
251	}
252
253	SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]);
254	SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]);
255	SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]);
256	SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 24);
257	SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
258
259	if (fsaa)
260	{
261	SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1);
262	SDL_GL_SetAttribute (SDL_GL_MULTISAMPLESAMPLES, fsaa);
263	}
264
265	if (SDL_SetVideoMode (w, h, bpp, video_flags) == NULL)
266	{
267	fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ());
268	SDL_Quit ();
269	exit (1);
270	}
271
272	//printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel);
273	//printf ("\n");
274	//printf ("Vendor : %s\n", glGetString (GL_VENDOR));
275	//printf ("Renderer : %s\n", glGetString (GL_RENDERER));
276	//printf ("Version : %s\n", glGetString (GL_VERSION));
277	//printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS));
278	printf ("\n");
279
280	SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value);
281	printf ("SDL_GL_RED_SIZE: requested %d, got %d\n", rgb_size[0], value);
282	SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value);
283	printf ("SDL_GL_GREEN_SIZE: requested %d, got %d\n", rgb_size[1], value);
284	SDL_GL_GetAttribute (SDL_GL_BLUE_SIZE, &value);
285	printf ("SDL_GL_BLUE_SIZE: requested %d, got %d\n", rgb_size[2], value);
286	SDL_GL_GetAttribute (SDL_GL_DEPTH_SIZE, &value);
287	printf ("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", bpp, value);
288	SDL_GL_GetAttribute (SDL_GL_DOUBLEBUFFER, &value);
289	printf ("SDL_GL_DOUBLEBUFFER: requested 1, got %d\n", value);
290
291	if (fsaa)
292	{
293	SDL_GL_GetAttribute (SDL_GL_MULTISAMPLEBUFFERS, &value);
294	printf ("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value);
295	SDL_GL_GetAttribute (SDL_GL_MULTISAMPLESAMPLES, &value);
296	printf ("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
297	value);
298	}
299
300	/* Set the window manager title bar */
301	SDL_WM_SetCaption ("libgender rendering test", "gendertest");
302
303	/* Set the gamma for the window */
304	if (gamma != 0.0)
305	SDL_SetGamma (gamma, gamma, gamma);
306
307
308
309	testmat = new test_material;
310
311	entity *planet = new entity (new geometry_sphere (testmat, 10));
312	planet->move (vec3 (0, 0, -20));
313	planet->show ();
314
315	//doom3parse ("test.proc");
316
317	for (int i = 0; i < 20; i++)
318	{
319	// load a entity
320	txtprt_parser p;
321	geometry *g;
322	try
323	{
324	g = p.read ("test.blasc");
325	}
326	catch (txtprt_i_exception & e)
327	{
328	cout << "ERR: " << e.msg << endl;
329	}
330
331	entity *e = new entity (g);
332	e->move (vec3 (i5, -3, -i10));
333	e->show ();
334	}
335
336	{
337	fisch (vec3 (0, 0, -2e9), 1e9, 8);
338	//entity *planet = new entity (new geometry_sphere (1e9));
339	//planet->move (vec3 (0, 0, -1.5e9));
340	//planet->show ();
341	}
342
343	{
344	entity *planet = new entity (new geometry_sphere (testmat, 4e15));
345	planet->move (vec3 (0, 0, 1e17));
346	planet->show ();
347	}
348
349	//draw_floor (10, -500, -10, -1000);
350	draw_level ();
351
352
353	#if 0
354	{
355	geometry_heightfield *hf = new geometry_heightfield (100000., 100000.);
356	entity *e = new entity (hf);
357	e->move (vec3 (-100000, -100000 * 0.01, -100000));
358	e->show ();
359	}
360	#endif
361
362	//draw_test_nurb ();
363
364	//camera.orig.x = 108; camera.orig.y = 0; camera.orig.z = -368;
365	camera.orig.x = 0; camera.orig.y = 0; camera.orig.z = 0;
366	camera.p = point (0, 0, 10);
367	camera.d = vec3 (0, 0, -1);
368	camera.u = vec3 (0, 1, 0);
369	camera.w = w; camera.h = h;
370	camera.fov = 40.;
371
372	glEnable (GL_CULL_FACE);
373	glDisable (GL_ALPHA_TEST);
374	glDisable (GL_BLEND);
375
376	/* Loop until done. */
377	frames = 0;
378
379	linear_light mylight;
380	mylight.radius = 100000;
381	mylight.c = colour (1., 1, 1, 1.);
382	mylight.intensity = 1.F;
383
384	pass pass_light (&mylight);
385
386	while (!done)
387	{
388	char *sdl_error;
389	SDL_Event event;
390
391	camera_angle += 180 * camera_velocity_angle * timer.diff;
392	camera_angle2 += 180 * camera_velocity_angle2 * timer.diff;
393
394	vec3 geradeaus = matrix::rotation (-camera_angle, vec3 (0, 1, 0)) * vec3 (0, 0, -1);
395	vec3 right = matrix::rotation (90., vec3 (0, 1, 0)) * geradeaus;
396
397	camera.d = matrix::rotation (camera_angle2, right) * geradeaus;
398	camera.u = cross (camera.d, right);
399
400	camera.p = camera.p - camera.d * (camera_velocity_factor * timer.diff) * camera_velocity.z;
401	camera.p = camera.p - camera.u * (camera_velocity_factor * timer.diff) * camera_velocity.y;
402
403	mylight.orig = camera.orig;
404	mylight.p = camera.p;
405
406	//mylight.intensity = max (sinf (timer.now) + 1.2F, 0.2F);
407
408	camera.begin ();
409	camera.render (view::DEPTH, pass_depth);
410	camera.render (view::POSTDEPTH, pass_depth);
411	camera.render (view::LIGHTED, pass_light);
412	camera.end ();
413
414	SDL_GL_SwapBuffers ();
415	timer.frame ();
416
417	#if 0
418	/* Check for error conditions. */
419	gl_error = glGetError ();
420
421	if (gl_error != GL_NO_ERROR) fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);
422
423	sdl_error = SDL_GetError ();
424
425	if (sdl_error[0] != '\0')
426	{
427	fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error);
428	SDL_ClearError ();
429	}
430
431	/* Allow the user to see what's happening */
432	//SDL_Delay (40);
433	#endif
434
435	/* Check if there's a pending event. */
436	while (SDL_PollEvent (&event))
437	done = HandleEvent (&event);
438
439	++frames;
440	}
441
442	if (global_image)
443	{
444	SDL_FreeSurface (global_image);
445	global_image = NULL;
446	}
447
448	if (global_texture)
449	{
450	glDeleteTextures (1, &global_texture);
451	global_texture = 0;
452	}
453
454	/* Destroy our GL context, etc. */
455	SDL_Quit ();
456	return (0);
457	}
458	int
459	main (int argc, char *argv[])
460	{
461	int i, logo;
462	int numtests;
463	int bpp = 0;
464	int slowly;
465	float gamma = 0.0;
466	int noframe = 0;
467	int fsaa = 0;
468
469	logo = 0;
470	slowly = 0;
471	numtests = 1;
472	for (i = 1; argv[i]; ++i)
473	{
474	if (strcmp (argv[i], "-twice") == 0)
475	{
476	++numtests;
477	}
478	if (strcmp (argv[i], "-slow") == 0)
479	{
480	slowly = 1;
481	}
482	if (strcmp (argv[i], "-bpp") == 0)
483	{
484	bpp = atoi (argv[++i]);
485	}
486	if (strcmp (argv[i], "-gamma") == 0)
487	{
488	gamma = (float) atof (argv[++i]);
489	}
490	if (strcmp (argv[i], "-noframe") == 0)
491	{
492	noframe = 1;
493	}
494	if (strcmp (argv[i], "-fsaa") == 0)
495	{
496	++fsaa;
497	}
498	if (strncmp (argv[i], "-h", 2) == 0)
499	{
500	printf
501	("Usage: %s [-twice] [-logo] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa]\n",
502	argv[0]);
503	exit (0);
504	}
505	}
506
507	for (i = 0; i < numtests; ++i)
508	RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa);
509
510	return 0;
511	}