6.09HEADmaster

1 files changed, 0 insertions, 535 deletions

diff --git a/hacks/glx/energystream.c b/hacks/glx/energystream.c
deleted file mode 100644
index b20abb7..0000000
--- a/hacks/glx/energystream.c
+++ /dev/null
@@ -1,535 +0,0 @@
-/* energystream, Copyright (c) 2016 Eugene Sandulenko <sev@scummvm.org>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- *
- * Based on Public Domain code by konrad "yoghurt" zagorowicz
- * for Tesla demo by Sunflower (http://www.pouet.net/prod.php?which=33)
- */
-
-#define DEFAULTS  "*delay:  30000       \n" \
-      "*count:        30          \n" \
-      "*showFPS:      False       \n" \
-      "*wireframe:    False       \n" \
-
-# define release_stream 0
-
-#include "xlockmore.h"
-#include "gltrackball.h"
-#include "rotator.h"
-#include <ctype.h>
-
-#ifdef USE_GL /* whole file */
-
-static float change_time = 0;
-static float change_time1 = 25;
-static float change_time2 = 40;
-static float change_time3 = 60;
-
-#define DEF_STREAMS     "16"
-
-#include <sys/time.h>
-#include <time.h>
-
-typedef struct timeval streamtime;
-
-#define GETSECS(t) ((t).tv_sec)
-#define GETMSECS(t) ((t).tv_usec/1000)
-
-#define DEF_SPIN        "False"
-#define DEF_WANDER      "False"
-#define DEF_SPEED       "1.0"
-
-
-typedef struct {
-  float x, y, z;
-} Vector;
-
-typedef struct {
-  Vector *flares;
-  int num_flares;
-  GLuint flare_tex;
-  float speed;
-} flare_stream;
-
-typedef struct {
-  GLXContext *glx_context;
-  rotator *rot;
-  trackball_state *trackball;
-  Bool button_down_p;
-
-  time_t start_time;
-
-  int num_streams;
-  flare_stream *streams;
-
-} stream_configuration;
-
-static stream_configuration *ess = NULL;
-
-static int num_streams;
-static Bool do_spin;
-static GLfloat global_speed;
-static Bool do_wander;
-
-static XrmOptionDescRec opts[] = {
-  { "-streams",  ".streams",  XrmoptionSepArg, 0 },
-  { "-spin",   ".spin",   XrmoptionNoArg, "True" },
-  { "+spin",   ".spin",   XrmoptionNoArg, "False" },
-  { "-speed",  ".speed",  XrmoptionSepArg, 0 },
-  { "-wander", ".wander", XrmoptionNoArg, "True" },
-  { "+wander", ".wander", XrmoptionNoArg, "False" }
-};
-
-static argtype vars[] = {
-  {&num_streams, "streams",  "Streams",  DEF_STREAMS,  t_Int},
-  {&do_spin,   "spin",   "Spin",   DEF_SPIN,   t_Bool},
-  {&do_wander, "wander", "Wander", DEF_WANDER, t_Bool},
-  {&global_speed, "speed",  "Speed",  DEF_SPEED,  t_Float},
-};
-
-ENTRYPOINT ModeSpecOpt stream_opts = {countof(opts), opts, countof(vars), vars, NULL};
-
-static void gettime(streamtime *t)
-{
-#ifdef GETTIMEOFDAY_TWO_ARGS
-        struct timezone tzp;
-        gettimeofday(t, &tzp);
-#else /* !GETTIMEOFDAY_TWO_ARGS */
-        gettimeofday(t);
-#endif /* !GETTIMEOFDAY_TWO_ARGS */
-}
-
-
-/* Window management, etc
- */
-ENTRYPOINT void
-reshape_stream (ModeInfo *mi, int width, int height)
-{
-  GLfloat h = (GLfloat) height / (GLfloat) width;
-
-  glViewport (0, 0, (GLint) width, (GLint) height);
-
-  glMatrixMode (GL_PROJECTION);
-  glLoadIdentity ();
-  gluPerspective (30.0, 1/h, 1.0, 100.0);
-
-  glMatrixMode (GL_MODELVIEW);
-  glLoadIdentity ();
-  gluLookAt (0.0, 0.0, 30.0,
-             0.0, 0.0, 0.0,
-             0.0, 1.0, 0.0);
-
-  glClear (GL_COLOR_BUFFER_BIT);
-}
-
-
-ENTRYPOINT Bool
-stream_handle_event (ModeInfo *mi, XEvent *event)
-{
-  stream_configuration *es = &ess[MI_SCREEN(mi)];
-
-  if (gltrackball_event_handler (event, es->trackball,
-                                 MI_WIDTH (mi), MI_HEIGHT (mi),
-                                 &es->button_down_p))
-    return True;
-
-  return False;
-}
-
-#define TEX_WIDTH 256
-#define TEX_HEIGHT 256
-#define COEFF 0.2
-
-static GLuint gen_texture (void)
-{
-    int x, y, i;
-    float color;
-    GLuint tex;
-
-    unsigned char *texture = (unsigned char *)calloc (TEX_WIDTH * TEX_HEIGHT, 4);
-    unsigned char *ptr = texture;
-
-    float tint[3];
-    for (i = 0; i < 3; i++)
-      tint[i] = 1.0 * random() / RAND_MAX;
-
-    for (y = 0; y < TEX_HEIGHT; y++) {
-        for (x = 0; x < TEX_WIDTH; x++) {
-            color = 255 - sqrt((x - TEX_WIDTH / 2) * (x - TEX_WIDTH / 2) / COEFF
-                        + (y - TEX_HEIGHT / 2) * (y - TEX_HEIGHT / 2) / COEFF);
-
-            if (color < 0)
-                color = 0;
-
-            for (i = 0; i < 3; i++)
-                ptr[i] = (unsigned char)(color * tint[i]);
-            ptr[3] = color ? 255 : 0;
-
-            ptr += 4;
-        }
-    }
-
-  glGenTextures (1, &tex);
-#ifdef HAVE_GLBINDTEXTURE
-  glBindTexture (GL_TEXTURE_2D, tex);
-#endif /* HAVE_GLBINDTEXTURE */
-  glPixelStorei (GL_UNPACK_ALIGNMENT, 4);
-  clear_gl_error ();
-  glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA, TEX_WIDTH, TEX_HEIGHT,
-      0, GL_RGBA, GL_UNSIGNED_BYTE, texture);
-  check_gl_error ("texture");
-
-  /* Texture parameters, LINEAR scaling for better texture quality */
-  glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-  glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
-  glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
-  glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-
-  free (texture);
-
-  return tex;
-}
-
-static inline void vector_copy (Vector *a, Vector *b)
-{
-  a->x = b->x;
-  a->y = b->y;
-  a->z = b->z;
-}
-
-/* a += b */
-static inline void vector_add (Vector *a, Vector *b)
-{
-  a->x += b->x;
-  a->y += b->y;
-  a->z += b->z;
-}
-
-/* a -= b */
-static inline void vector_sub (Vector *a, Vector *b)
-{
-  a->x -= b->x;
-  a->y -= b->y;
-  a->z -= b->z;
-}
-
-static void init_flare_stream (flare_stream *s, int num_flares, float bx, float by, float bz, float speed)
-{
-  int i;
-
-  s->flares = (Vector *) calloc (num_flares, sizeof (Vector));
-  s->num_flares = num_flares;
-  s->flare_tex = gen_texture();
-  s->speed = speed;
-
-  for (i = 0; i != s->num_flares; i++)
-  {
-    s->flares[i].x = -800.0f * random() / RAND_MAX - 1150 + bx;
-    s->flares[i].y =   10.0f * random() / RAND_MAX -   20 + by;
-    s->flares[i].z =   10.0f * random() / RAND_MAX -   20 + bz;
-  }
-}
-
-static void render_flare_stream (flare_stream *s, float cur_time, Vector *vx, Vector *vy, float alpha)
-{
-  float fMultipler = 1;
-  int i;
-
-  if (s->flare_tex == -1)
-    return;
-  if (!s->num_flares)
-    return;
-
-  if (cur_time < change_time)
-    return;
-
-  cur_time -= change_time;
-
-  glColor4f (1.0, 1, 1, alpha);
-#ifdef HAVE_GLBINDTEXTURE
-  glBindTexture (GL_TEXTURE_2D, s->flare_tex);
-#endif
-
-  glBegin (GL_QUADS);
-
-  if (cur_time + change_time > change_time1)
-  {
-    if (cur_time + change_time > change_time2)
-    {
-      fMultipler = 2.5;
-    }
-    else
-      fMultipler = 2;
-  }
-
-  for (i = 0; i != s->num_flares; i++)
-  {
-    Vector flare_pos;
-    Vector cc;
-
-    flare_pos.x = fmod (s->flares[i].x + cur_time * s->speed * fMultipler, 800) - 400;
-    flare_pos.y = s->flares[i].y + 2 * sin (cur_time * 7 + s->flares[i].x);
-    flare_pos.z = s->flares[i].z + 2 * cos (cur_time * 7 + i * 3.14);
-
-    glTexCoord2f (0, 0);
-    vector_copy  (&cc, &flare_pos);
-    vector_sub   (&cc, vx);
-    vector_add   (&cc, vy);
-    glVertex3fv  ((float *)&cc);
-
-    glTexCoord2f ( 1, 0 );
-    vector_copy  (&cc, &flare_pos);
-    vector_add   (&cc, vx);
-    vector_add   (&cc, vy);
-    glVertex3fv  ((float *)&cc);
-
-    glTexCoord2f ( 1, 1 );
-    vector_copy  (&cc, &flare_pos);
-    vector_add   (&cc, vx);
-    vector_sub   (&cc, vy);
-    glVertex3fv  ((float *)&cc);
-
-    glTexCoord2f ( 0, 1 );
-    vector_copy  (&cc, &flare_pos);
-    vector_sub   (&cc, vx);
-    vector_sub   (&cc, vy);
-    glVertex3fv  ((float *)&cc);
-  }
-
-  glEnd ();
-}
-
-ENTRYPOINT void
-init_stream (ModeInfo *mi)
-{
-  stream_configuration *es;
-  streamtime current_time;
-
-  MI_INIT (mi, ess);
-
-  es = &ess[MI_SCREEN(mi)];
-
-  es->glx_context = init_GL (mi);
-
-  reshape_stream (mi, MI_WIDTH(mi), MI_HEIGHT(mi));
-
-  gettime (&current_time);
-  es->start_time = GETSECS(current_time) * 1000 + GETMSECS(current_time);
-
-  es->num_streams = num_streams;
-
-  es->streams = (flare_stream *) calloc (es->num_streams, sizeof(flare_stream));
-
-  init_flare_stream (&es->streams[0], 150, 0, 50, 0, 300);
-  init_flare_stream (&es->streams[1], 150, 0, 0, 0, 150);
-  init_flare_stream (&es->streams[2], 150, 0, 90, 60, 250);
-  init_flare_stream (&es->streams[3], 150, 0, -100, 30, 160);
-  init_flare_stream (&es->streams[4], 150, 0, 50, -100, 340);
-  init_flare_stream (&es->streams[5], 150, 0, -50, 50, 270 );
-  init_flare_stream (&es->streams[6], 150, 0, 100, 50, 180);
-  init_flare_stream (&es->streams[7], 150, 0, -30, 90, 130);
-
-  init_flare_stream (&es->streams[8], 150, 0, 150, 10, 200);
-  init_flare_stream (&es->streams[9], 150, 0, 100, -100, 210);
-  init_flare_stream (&es->streams[10], 150, 0, 190, 160, 220);
-  init_flare_stream (&es->streams[11], 150, 0, -200, 130, 230);
-  init_flare_stream (&es->streams[12], 150, 0, 150, -200, 240);
-  init_flare_stream (&es->streams[13], 150, 0, -150, 250, 160);
-  init_flare_stream (&es->streams[14], 150, 0, 200, 150, 230);
-  init_flare_stream (&es->streams[15], 150, 0, -130, 190, 250);
-
-  {
-    double spin_speed   = 0.5  * global_speed;
-    double wander_speed = 0.02 * global_speed;
-    double spin_accel   = 1.1;
-
-    es->rot = make_rotator (do_spin ? spin_speed : 0,
-                            do_spin ? spin_speed : 0,
-                            do_spin ? spin_speed : 0,
-                            spin_accel,
-                            do_wander ? wander_speed : 0,
-                            True);
-    es->trackball = gltrackball_init (True);
-  }
-}
-
-ENTRYPOINT void
-free_stream (ModeInfo * mi)
-{
-  stream_configuration *es = &ess[MI_SCREEN(mi)];
-  int i;
-
-  if (!es->glx_context) return;
-  glXMakeCurrent (MI_DISPLAY(mi), MI_WINDOW(mi), *es->glx_context);
-
-  if (es->trackball) gltrackball_free (es->trackball);
-  if (es->rot) free_rotator (es->rot);
-
-  for (i = 0; i < es->num_streams; i++) {
-    free (es->streams[i].flares);
-    glDeleteTextures (1, &es->streams[i].flare_tex);
-  }
-
-  if (es->streams) free (es->streams);
-
-}
-
-
-static void inverse_matrix (float m[16]) {
-  double a,b,c,d,e,f,g,h,i,j,k,l;
-  register double dW;
-
-  a = m[ 0]; b = m[ 1]; c = m[ 2];
-  d = m[ 4]; e = m[ 5]; f = m[ 6];
-  g = m[ 8]; h = m[ 9]; i = m[10];
-  j = m[12]; k = m[13]; l = m[14];
-
-  dW = 1.0 / (a * (e * i - f * h)
-           - (b * (d * i - f * g)
-           +  c * (e * g - d * h)));
-
-  m[ 0]= (float)((e * i - f * h) * dW);
-  m[ 1]= (float)((c * h - b * i) * dW);
-  m[ 2]= (float)((b * f - c * e) * dW);
-
-  m[ 4]= (float)((f * g - d * i) * dW);
-  m[ 5]= (float)((a * i - c * g) * dW);
-  m[ 6]= (float)((c * d - a * f) * dW);
-
-  m[ 8]= (float)((d * h - e * g) * dW);
-  m[ 9]= (float)((b * g - a * h) * dW);
-  m[10]= (float)((a * e - b * d) * dW);
-
-  m[12]= (float)((e * (g * l - i * j)
-                + f * (h * j - g * k)
-                - d * (h * l - i * k)) * dW);
-  m[13]= (float)((a * (h * l - i * k)
-                + b * (i * j - g * l)
-                + c * (g * k - h * j)) * dW);
-  m[14]= (float)((b * (d * l - f * j)
-                + c * (e * j - d * k)
-                - a * (e * l - f * k)) * dW);
-}
-
-ENTRYPOINT void
-draw_stream (ModeInfo *mi)
-{
-  stream_configuration *es = &ess[MI_SCREEN(mi)];
-  Display *dpy = MI_DISPLAY(mi);
-  Window window = MI_WINDOW(mi);
-  streamtime current_time;
-  float cur_time;
-  int i;
-  float alpha = 1.0;
-  Vector vx;
-  Vector vy;
-  GLfloat m[4*4];
-
-  if (!es->glx_context)
-    return;
-
-  gettime (&current_time);
-
-  cur_time = (float)(GETSECS(current_time) * 1000 + GETMSECS(current_time) - es->start_time) / 1000.0;
-  cur_time *= global_speed;
-
-  glXMakeCurrent (MI_DISPLAY(mi), MI_WINDOW(mi), *es->glx_context);
-
-  glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
-  glMatrixMode (GL_PROJECTION);
-  glLoadIdentity ();
-  glFrustum (-.6f, .6f, -.45f, .45f, 1, 1000);
-
-  glMatrixMode (GL_MODELVIEW);
-  glLoadIdentity ();
-
-  glEnable (GL_LIGHTING);
-  glEnable (GL_TEXTURE_2D);
-  glEnable (GL_BLEND);
-  glBlendFunc (GL_SRC_ALPHA, GL_ONE);
-  glDisable (GL_CULL_FACE);
-  glDisable (GL_DEPTH_TEST);
-  glDepthMask (0);
-
-  glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_ADD);
-
-  glTranslatef (0, 0, -300);
-  glRotatef (cur_time * 30, 1, 0, 0);
-  glRotatef (30 * sin(cur_time / 3) + 10, 0, 0, 1);
-
-  {
-    double x, y, z;
-    get_position (es->rot, &x, &y, &z, !es->button_down_p);
-    glTranslatef((x - 0.5) * 8,
-                 (y - 0.5) * 8,
-                 (z - 0.5) * 15);
-
-    gltrackball_rotate (es->trackball);
-
-    get_rotation (es->rot, &x, &y, &z, !es->button_down_p);
-    glRotatef (x * 360, 1.0, 0.0, 0.0);
-    glRotatef (y * 360, 0.0, 1.0, 0.0);
-    glRotatef (z * 360, 0.0, 0.0, 1.0);
-  }
-
-  if (cur_time > change_time1)
-  {
-    if (cur_time > change_time2)
-    {
-      glRotatef (90, 0, 1, 0);
-
-      if (cur_time > change_time3)
-        es->start_time = GETSECS(current_time) * 1000 + GETMSECS(current_time) - 5000;
-    }
-    else
-    {
-      glRotatef (180, 0, 1, 0);
-    }
-  }
-
-  glEnable ( GL_FOG);
-  glFogf (GL_FOG_START, 200);
-  glFogf (GL_FOG_END, 500);
-  glFogf (GL_FOG_MODE, GL_LINEAR);
-
-  glGetFloatv (GL_MODELVIEW_MATRIX, m);
-
-  inverse_matrix (m);
-
-  vx.x = m[0] * 10;
-  vx.y = m[1] * 10;
-  vx.z = m[2] * 10;
-
-  vy.x = m[4] * 10;
-  vy.y = m[5] * 10;
-  vy.z = m[6] * 10;
-
-  mi->polygon_count = 0;
-
-  for (i = 0; i != es->num_streams; i++)
-  {
-    mi->polygon_count += es->streams[i].num_flares;
-    render_flare_stream (&es->streams[i], cur_time, &vx, &vy, alpha);
-  }
-
-  glDisable (GL_TEXTURE_2D);
-  glDisable (GL_LIGHTING);
-  glDisable (GL_FOG);
-  glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
-
-  if (mi->fps_p) do_fps (mi);
-  glFinish();
-
-  glXSwapBuffers (dpy, window);
-}
-
-XSCREENSAVER_MODULE_2("EnergyStream", energystream, stream)
-
-#endif /* USE_GL */