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-rw-r--r--hacks/glx/atunnel.c314
1 files changed, 0 insertions, 314 deletions
diff --git a/hacks/glx/atunnel.c b/hacks/glx/atunnel.c
deleted file mode 100644
index f09684c..0000000
--- a/hacks/glx/atunnel.c
+++ /dev/null
@@ -1,314 +0,0 @@
-/* -*- Mode: C; tab-width: 4 -*- */
-/* atunnel --- OpenGL Advanced Tunnel Screensaver */
-
-#if 0
-static const char sccsid[] = "@(#)atunnel.c 5.13 2004/05/25 xlockmore";
-#endif
-
-/* Copyright (c) E. Lassauge, 2003-2004. */
-
-/*
- * Permission to use, copy, modify, and distribute this software and its
- * documentation for any purpose and without fee is hereby granted,
- * provided that the above copyright notice appear in all copies and that
- * both that copyright notice and this permission notice appear in
- * supporting documentation.
- *
- * This file is provided AS IS with no warranties of any kind. The author
- * shall have no liability with respect to the infringement of copyrights,
- * trade secrets or any patents by this file or any part thereof. In no
- * event will the author be liable for any lost revenue or profits or
- * other special, indirect and consequential damages.
- *
- * The original code for this mode was written by Roman Podobedov
- * Email: romka@ut.ee
- * WEB: http://romka.demonews.com
- *
- * Eric Lassauge (May-25-2004) <lassauge@users.sourceforge.net>
- * http://lassauge.free.fr/linux.html
- *
- * REVISION HISTORY:
- *
- * E.Lassauge - 25-May-2004:
- * - added more texture !
- * E.Lassauge - 16-Mar-2002:
- * - created based on the Roman demo.
- * - deleted all external file stuff to use xpm textures and
- * hardcoded path point values.
- *
- */
-
-#ifdef STANDALONE /* xscreensaver mode */
-#define DEFAULTS "*delay: 10000 \n" \
- "*showFPS: False \n" \
- "*suppressRotationAnimation: True\n" \
-
-# define release_atunnel 0
-# define atunnel_handle_event 0
-#define MODE_atunnel
-# include "xlockmore.h" /* from the xscreensaver distribution */
-#else /* !STANDALONE */
-# include "xlock.h" /* from the xlockmore distribution */
-#endif /* !STANDALONE */
-
-#ifdef MODE_atunnel /* whole file */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include "tunnel_draw.h"
-
-#if defined( USE_XPM ) || defined( USE_XPMINC ) || defined(STANDALONE)
-/* USE_XPM & USE_XPMINC in xlock mode ; STANDALONE in xscreensaver mode */
-#include "ximage-loader.h"
-#define I_HAVE_XPM
-
-#include "images/gen/tunnel0_png.h"
-#include "images/gen/tunnel1_png.h"
-#include "images/gen/tunnel2_png.h"
-#include "images/gen/tunnel3_png.h"
-#include "images/gen/tunnel4_png.h"
-#include "images/gen/tunnel5_png.h"
-#endif /* HAVE_XPM */
-
-
-#define DEF_LIGHT "True"
-#define DEF_WIRE "False"
-#define DEF_TEXTURE "True"
-
-static Bool do_light;
-static Bool do_wire;
-static Bool do_texture;
-
-static XrmOptionDescRec opts[] = {
- {"-light", ".atunnel.light", XrmoptionNoArg, "true" },
- {"+light", ".atunnel.light", XrmoptionNoArg, "false" },
- {"-wireframe",".atunnel.wire", XrmoptionNoArg, "true" },
- {"+wireframe",".atunnel.wire", XrmoptionNoArg, "false" },
- {"-texture", ".atunnel.texture", XrmoptionNoArg, "true" },
- {"+texture", ".atunnel.texture", XrmoptionNoArg, "false" },
-};
-
-static argtype vars[] = {
- {&do_light, "light", "Light", DEF_LIGHT, t_Bool},
- {&do_wire, "wire", "Wire", DEF_WIRE, t_Bool},
- {&do_texture, "texture", "Texture", DEF_TEXTURE, t_Bool},
-};
-
-static OptionStruct desc[] =
-{
- {"-/+ light", "whether to do enable lighting (slower)"},
- {"-/+ wire", "whether to do use wireframe instead of filled (faster)"},
- {"-/+ texture", "whether to apply a texture (slower)"},
-};
-
-ENTRYPOINT ModeSpecOpt atunnel_opts = {countof(opts), opts, countof(vars), vars, desc};
-
-#ifdef USE_MODULES
-ModStruct atunnel_description =
-{"atunnel", "init_atunnel", "draw_atunnel", NULL,
- "draw_atunnel", "init_atunnel", "free_atunnel", &atunnel_opts,
- 1000, 1, 2, 1, 4, 1.0, "",
- "OpenGL advanced tunnel screensaver", 0, NULL};
-#endif
-
-/* structure for holding the screensaver data */
-typedef struct {
- int screen_width, screen_height;
- GLXContext *glx_context;
- Window window;
- struct tunnel_state *ts;
- GLuint texture[MAX_TEXTURE]; /* texture id: GL world */
-} atunnelstruct;
-
-static atunnelstruct *Atunnel = NULL;
-
-/*=================== Load Texture =========================================*/
-static void LoadTexture(ModeInfo * mi,
- const unsigned char *data, unsigned long size,
- int t_num)
-{
-#if defined( I_HAVE_XPM )
- atunnelstruct *sa = &Atunnel[MI_SCREEN(mi)];
- XImage *teximage; /* Texture data */
-
- if ((teximage = image_data_to_ximage(MI_DISPLAY(mi), MI_VISUAL(mi),
- data, size))
- == None) {
- (void) fprintf(stderr, "Error reading the texture.\n");
- glDeleteTextures(1, &sa->texture[t_num]);
- do_texture = False;
-#ifdef STANDALONE
- exit(0);
-#else
- return;
-#endif
- }
-
-#ifdef HAVE_GLBINDTEXTURE
- glBindTexture(GL_TEXTURE_2D, sa->texture[t_num]);
-#endif /* HAVE_GLBINDTEXTURE */
- glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
- clear_gl_error();
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, teximage->width, teximage->height,
- 0, GL_RGBA, GL_UNSIGNED_BYTE, teximage->data);
- check_gl_error("texture");
-
- /* Texture parameters, LINEAR scaling for better texture quality */
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-
- XDestroyImage(teximage);
-#else /* !I_HAVE_XPM */
- do_texture = False;
-#endif /* !I_HAVE_XPM */
-}
-
-/*=================== Main Initialization ==================================*/
-static void Init(ModeInfo * mi)
-{
- atunnelstruct *sa = &Atunnel[MI_SCREEN(mi)];
- GLfloat light_ambient[] = {1.0, 1.0, 1.0, 1.0};
- GLfloat light_diffuse[] = {1.0, 1.0, 1.0, 1.0};
- GLfloat light_specular[] = {1.0, 1.0, 1.0, 1.0};
- GLfloat light_position[] = {0.0, 0.0, 1.0, 0.0};
- GLfloat fogColor[4] = {0.8, 0.8, 0.8, 1.0};
-
- if (do_texture)
- {
- glGenTextures(MAX_TEXTURE, sa->texture);
- LoadTexture(mi, tunnel0_png, sizeof(tunnel0_png),0);
- LoadTexture(mi, tunnel1_png, sizeof(tunnel1_png),1);
- LoadTexture(mi, tunnel2_png, sizeof(tunnel2_png),2);
- LoadTexture(mi, tunnel3_png, sizeof(tunnel3_png),3);
- LoadTexture(mi, tunnel4_png, sizeof(tunnel4_png),4);
- LoadTexture(mi, tunnel5_png, sizeof(tunnel5_png),5);
- glEnable(GL_TEXTURE_2D);
- }
- sa->ts = atunnel_InitTunnel();
-
- /* Set lighting parameters */
- if (do_light)
- {
- glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
- glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
- glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
- glLightfv(GL_LIGHT0, GL_POSITION, light_position);
-
- /* Enable light 0 */
- glEnable(GL_LIGHT0);
- glDepthFunc(GL_LESS);
-
- glEnable(GL_LIGHTING);
- }
-
-# ifdef HAVE_JWZGLES /* #### glPolygonMode other than GL_FILL unimplemented */
- do_wire = 0;
-# endif
-
- if (do_wire) {
- glDisable(GL_NORMALIZE);
- glDisable(GL_CULL_FACE);
- glDisable(GL_DEPTH_TEST);
- glDisable(GL_TEXTURE_2D);
- glPolygonMode(GL_FRONT,GL_LINE);
- glPolygonMode(GL_BACK,GL_LINE);
- }
- else
- {
- glEnable(GL_DEPTH_TEST);
- glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
-
- /* Enable fog */
- glFogi(GL_FOG_MODE, GL_EXP);
- glFogfv(GL_FOG_COLOR, fogColor);
- glFogf(GL_FOG_DENSITY, 0.3);
- glEnable(GL_FOG);
-
- /* Cull face */
- glCullFace(GL_FRONT);
- glEnable(GL_CULL_FACE);
- }
-
- glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
-}
-
-
-/* Standard reshape function */
-ENTRYPOINT void
-reshape_atunnel(ModeInfo *mi, int width, int height)
-{
- double h = (GLfloat) height / (GLfloat) width;
- int y = 0;
-
- if (width > height * 2) { /* tiny window: show middle */
- height = width;
- y = -height/2;
- h = height / (GLfloat) width;
- }
-
- glViewport(0, y, width, height);
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- glFrustum(-0.1*(1/h), 0.1*(1/h), -0.1, 0.1, 0.1, 10);
- glMatrixMode(GL_MODELVIEW);
-}
-
-/* draw the screensaver once */
-ENTRYPOINT void draw_atunnel(ModeInfo * mi)
-{
- atunnelstruct *sa = &Atunnel[MI_SCREEN(mi)];
- Display *display = MI_DISPLAY(mi);
- Window window = MI_WINDOW(mi);
-
- if (!sa->glx_context)
- return;
-
- glXMakeCurrent(display, window, *sa->glx_context);
-
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
- glLoadIdentity();
-
- atunnel_DrawTunnel(sa->ts, do_texture, do_light, sa->texture);
- atunnel_SplashScreen(sa->ts, do_wire, do_texture, do_light);
-
- glFlush();
- /* manage framerate display */
- if (MI_IS_FPS(mi)) do_fps (mi);
- glXSwapBuffers(display, window);
-
-}
-
-
-/* xscreensaver initialization routine */
-ENTRYPOINT void init_atunnel(ModeInfo * mi)
-{
- int screen = MI_SCREEN(mi);
- atunnelstruct *sa;
-
- MI_INIT(mi, Atunnel);
- sa = &Atunnel[screen];
-
- sa->window = MI_WINDOW(mi);
- if ((sa->glx_context = init_GL(mi)) != NULL) {
- reshape_atunnel(mi, MI_WIDTH(mi), MI_HEIGHT(mi));
- Init(mi);
- } else {
- MI_CLEARWINDOW(mi);
- }
-
-}
-
-ENTRYPOINT void free_atunnel(ModeInfo * mi)
-{
- atunnelstruct *sa = &Atunnel[MI_SCREEN(mi)];
- if (!sa->glx_context) return;
- glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *sa->glx_context);
- atunnel_FreeTunnel(sa->ts);
- glDeleteTextures (MAX_TEXTURE, sa->texture);
-}
-
-XSCREENSAVER_MODULE ("Atunnel", atunnel)
-
-#endif
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