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-rw-r--r--hacks/glx/blinkbox.c614
1 files changed, 0 insertions, 614 deletions
diff --git a/hacks/glx/blinkbox.c b/hacks/glx/blinkbox.c
deleted file mode 100644
index 61531e7..0000000
--- a/hacks/glx/blinkbox.c
+++ /dev/null
@@ -1,614 +0,0 @@
-/* blinkbox, Copyright (c) 2003 Jeremy English <jenglish@myself.com>
- *
- * 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.
- */
-
-/* motion blur added March 2005 by John Boero <jlboero@cs.uwm.edu>
- */
-
-#define DEFAULTS "*delay: 30000 \n" \
- "*wireframe: False \n" \
- "*suppressRotationAnimation: True\n" \
-
-# define release_ball 0
-# define ball_handle_event xlockmore_no_events
-
-#include "xlockmore.h"
-#include "sphere.h"
-#include <ctype.h>
-
-#ifdef USE_GL /* whole file */
-
-#define MAX_COUNT 20
-#define ALPHA_AMT 0.05
-
-/* this should be between 1 and 8 */
-#define DEF_BOXSIZE "2"
-#define DEF_DISSOLVE "False"
-#define DEF_FADE "True"
-#define DEF_BLUR "True"
-
-
-typedef struct{
- GLfloat x,y,z;
-} Tdpos;
-
-typedef struct{
- int hit;
- Tdpos pos;
- int counter;
- GLfloat color[3];
- GLfloat rot[4];
- int des_count;
- int alpha_count;
-}Side;
-
-struct Bounding_box {
- Tdpos top;
- Tdpos bottom;
-};
-
-struct Ball {
- GLfloat x;
- GLfloat y;
- GLfloat z;
- int d;
-};
-
-struct bscale {
- GLfloat wh; /*width Height*/
- GLfloat d; /*depth*/
-};
-
-static const struct Bounding_box bbox = {{14,14,20},{-14,-14,-20}};
-
-typedef struct {
- GLXContext *glx_context;
-
- struct Ball ball;
-
- struct bscale bscale;
-
- Tdpos mo; /*motion*/
- Tdpos moh; /*hold motion value*/
-
- Tdpos bpos;
-
- GLuint ballList;
- GLuint boxList;
- GLfloat des_amt;
-
- /*sides*/
- Side lside;/*Red*/
- Side rside;/*Green*/
- Side tside;/*Blue*/
- Side bside;/*Orange*/
- Side fside;/*Yellow*/
- Side aside;/*Purple*/
- Side *sp;
-
-} blinkboxstruct;
-
-static blinkboxstruct *blinkbox = (blinkboxstruct *) NULL;
-
-
-/* lights */
-static const float LightDiffuse[]= { 1.0f, 1.0f, 1.0f, 1.0f };
-static const float LightPosition[]= { 20.0f, 100.0f, 20.0f, 1.0f };
-
-static Bool do_dissolve;
-static Bool do_fade;
-static Bool do_blur;
-static float bscale_wh;
-
-static XrmOptionDescRec opts[] = {
- { "-boxsize", ".boxsize", XrmoptionSepArg, 0 },
- { "-dissolve", ".dissolve", XrmoptionNoArg, "True" },
- { "+dissolve", ".dissolve", XrmoptionNoArg, "False" },
- { "-fade", ".fade", XrmoptionNoArg, "True" },
- { "+fade", ".fade", XrmoptionNoArg, "False" },
- { "-blur", ".blur", XrmoptionNoArg, "True" },
- { "+blur", ".blur", XrmoptionNoArg, "False" }
-
-};
-
-static argtype vars[] = {
- {&bscale_wh, "boxsize", "Boxsize", DEF_BOXSIZE, t_Float},
- {&do_dissolve, "dissolve", "Dissolve", DEF_DISSOLVE, t_Bool},
- {&do_fade, "fade", "Fade", DEF_FADE, t_Bool},
- {&do_blur, "blur", "Blur", DEF_BLUR, t_Bool},
-};
-
-ENTRYPOINT ModeSpecOpt ball_opts = {countof(opts), opts, countof(vars), vars, NULL};
-
-static void
-swap(GLfloat *a, GLfloat *b)
-{
- GLfloat t = *a;
- *a = *b;
- *b = t;
-}
-
-static float
-get_rand(void)
-{
- GLfloat j = 1+(random() % 2);
- return (j);
-}
-
-static void
-swap_mov(GLfloat *a, GLfloat *b)
-{
- int j;
- swap(a,b);
- j = get_rand();
- if (*a < 0)
- *a = j * -1;
- else
- *a = j;
-}
-
-static void
-cp_b_pos(blinkboxstruct *bp, Tdpos *s_pos)
-{
- s_pos->x = bp->ball.x;
- s_pos->y = bp->ball.y;
- s_pos->z = bp->ball.z;
-}
-
-static void
-hit_side(blinkboxstruct *bp)
-{
- if ((bp->ball.x - bp->ball.d) <= bbox.bottom.x){
- bp->lside.hit = 1;
- bp->lside.counter = MAX_COUNT;
- bp->lside.des_count = 1;
- bp->lside.alpha_count = 0;
- cp_b_pos(bp, &bp->lside.pos);
- swap_mov(&bp->mo.x,&bp->moh.x);
- }else
- if ((bp->ball.x + bp->ball.d) >= bbox.top.x){
- bp->rside.hit = 1;
- bp->rside.counter = MAX_COUNT;
- bp->rside.des_count = 1;
- bp->rside.alpha_count = 0;
- cp_b_pos(bp, &bp->rside.pos);
- swap_mov(&bp->mo.x,&bp->moh.x);
- }
-}
-
-static void
-hit_top_bottom(blinkboxstruct *bp)
-{
- if ((bp->ball.y - bp->ball.d) <= bbox.bottom.y){
- bp->bside.hit = 1;
- bp->bside.counter = MAX_COUNT;
- bp->bside.des_count = 1;
- bp->bside.alpha_count = 0;
- cp_b_pos(bp, &bp->bside.pos);
- swap_mov(&bp->mo.y,&bp->moh.y);
- }else
- if ((bp->ball.y + bp->ball.d) >= bbox.top.y){
- bp->tside.hit = 1;
- bp->tside.counter = MAX_COUNT;
- bp->tside.des_count = 1;
- bp->tside.alpha_count = 0;
- cp_b_pos(bp, &bp->tside.pos);
- swap_mov(&bp->mo.y,&bp->moh.y);
- }
-}
-
-static void
-hit_front_back(blinkboxstruct *bp)
-{
- if ((bp->ball.z - bp->ball.d) <= bbox.bottom.z){
- bp->aside.hit = 1;
- bp->aside.counter = MAX_COUNT;
- bp->aside.des_count = 1;
- bp->aside.alpha_count = 0;
- cp_b_pos(bp, &bp->aside.pos);
- swap_mov(&bp->mo.z,&bp->moh.z);
- }else
- if((bp->ball.z + bp->ball.d) >= bbox.top.z){
- bp->fside.hit = 1;
- bp->fside.counter = MAX_COUNT;
- bp->fside.des_count = 1;
- bp->fside.alpha_count = 0;
- cp_b_pos(bp, &bp->fside.pos);
- swap_mov(&bp->mo.z,&bp->moh.z);
- }
-}
-
-ENTRYPOINT void
-reshape_ball (ModeInfo *mi, int width, int height)
-{
- GLfloat h = (GLfloat) height / (GLfloat) width;
- int y = 0;
-
- if (width > height * 5) { /* tiny window: show middle */
- height = width * 9/16;
- y = -height/2;
- h = height / (GLfloat) width;
- }
-
- glViewport (0, y, (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, 40.0,
- 0.0, 0.0, 0.0,
- 0.0, 2.0, 10.0);
-}
-
-static void
-unit_cube(int wire)
-{
- glBegin((wire)?GL_LINE_LOOP:GL_QUADS);
- glNormal3f( 0.0f, -1.0f, 0.0f);
- glVertex3f(-1.0f, -1.0f, -1.0f);
- glVertex3f( 1.0f, -1.0f, -1.0f);
- glVertex3f( 1.0f, -1.0f, 1.0f);
- glVertex3f(-1.0f, -1.0f, 1.0f);
- glNormal3f( 0.0f, 0.0f, 1.0f);
- glVertex3f(-1.0f, -1.0f, 1.0f);
- glVertex3f( 1.0f, -1.0f, 1.0f);
- glVertex3f( 1.0f, 1.0f, 1.0f);
- glVertex3f(-1.0f, 1.0f, 1.0f);
- glNormal3f( 0.0f, 0.0f, -1.0f);
- glVertex3f(-1.0f, -1.0f, -1.0f);
- glVertex3f(-1.0f, 1.0f, -1.0f);
- glVertex3f( 1.0f, 1.0f, -1.0f);
- glVertex3f( 1.0f, -1.0f, -1.0f);
- glNormal3f( 1.0f, 0.0f, 0.0f);
- glVertex3f( 1.0f, -1.0f, -1.0f);
- glVertex3f( 1.0f, 1.0f, -1.0f);
- glVertex3f( 1.0f, 1.0f, 1.0f);
- glVertex3f( 1.0f, -1.0f, 1.0f);
- glNormal3f( -1.0f, 0.0f, 0.0f);
- glVertex3f(-1.0f, -1.0f, -1.0f);
- glVertex3f(-1.0f, -1.0f, 1.0f);
- glVertex3f(-1.0f, 1.0f, 1.0f);
- glVertex3f(-1.0f, 1.0f, -1.0f);
- glNormal3f( 1.0f, 1.0f, 0.0f);
- glVertex3f(-1.0f, 1.0f, -1.0f);
- glVertex3f(-1.0f, 1.0f, 1.0f);
- glVertex3f( 1.0f, 1.0f, 1.0f);
- glVertex3f( 1.0f, 1.0f, -1.0f);
- glEnd();
-}
-
-ENTRYPOINT void
-init_ball (ModeInfo *mi)
-{
- int wire = MI_IS_WIREFRAME(mi);
- blinkboxstruct *bp;
-
- MI_INIT (mi, blinkbox);
- bp = &blinkbox[MI_SCREEN(mi)];
-
- if ((bp->glx_context = init_GL(mi)) != NULL) {
- reshape_ball(mi, MI_WIDTH(mi), MI_HEIGHT(mi));
- glDrawBuffer(GL_BACK);
- }
- else
- MI_CLEARWINDOW(mi);
-
- bp->ball.d = 1;
- bp->bscale.wh = bscale_wh;
- bp->bscale.d = 0.25;
-
- bp->mo.x = 1;
- bp->mo.y = 1;
- bp->mo.z = 1;
-
- bp->moh.x = -1.0;
- bp->moh.y = -1.5;
- bp->moh.z = -1.5;
-
- bp->bpos.x = 1;
- bp->bpos.y = 1;
- bp->bpos.z = 1;
-
- bp->des_amt = 1;
-
- bp->lside.counter = MAX_COUNT;
- bp->rside.counter = MAX_COUNT;
- bp->tside.counter = MAX_COUNT;
- bp->bside.counter = MAX_COUNT;
- bp->fside.counter = MAX_COUNT;
- bp->aside.counter = MAX_COUNT;
-
- bp->lside.color[0] = 1;
- bp->rside.color[1] = 1;
- bp->tside.color[2] = 1;
-
- bp->bside.color[0] = 1;
- bp->bside.color[1] = 0.5;
-
- bp->fside.color[0] = 1;
- bp->fside.color[1] = 1;
-
- bp->aside.color[0] = 0.5;
- bp->aside.color[2] = 1;
-
- bp->lside.rot[0] = 90;
- bp->rside.rot[0] = 90;
- bp->tside.rot[0] = 90;
- bp->bside.rot[0] = 90;
- bp->fside.rot[0] = 90;
- bp->aside.rot[0] = 90;
-
- bp->lside.rot[2] = 1;
- bp->rside.rot[2] = 1;
- bp->tside.rot[1] = 1;
- bp->bside.rot[1] = 1;
- bp->fside.rot[3] = 1;
- bp->aside.rot[3] = 1;
-
- bp->lside.des_count = 1;
- bp->rside.des_count = 1;
- bp->tside.des_count = 1;
- bp->bside.des_count = 1;
- bp->fside.des_count = 1;
- bp->aside.des_count = 1;
-
- bp->lside.alpha_count = 1;
- bp->rside.alpha_count = 1;
- bp->tside.alpha_count = 1;
- bp->bside.alpha_count = 1;
- bp->fside.alpha_count = 1;
- bp->aside.alpha_count = 1;
-
-
-#define SPHERE_SLICES 12 /* how densely to render spheres */
-#define SPHERE_STACKS 16
-
-/* bp->sp = malloc(sizeof(*bp->sp));
- if(bp->sp == NULL){
- fprintf(stderr,"Could not allocate memory\n");
- exit(1);
- }*/
- if( (bp->bscale.wh < 1) ||
- (bp->bscale.wh > 8) ) {
- fprintf(stderr,"Boxsize out of range. Using default\n");
- bp->bscale.wh = 2;
- }
- if (do_dissolve){
- bp->des_amt = bp->bscale.wh / MAX_COUNT;
- }
-
- reshape_ball(mi, MI_WIDTH(mi), MI_HEIGHT(mi));
- bp->ballList = glGenLists(1);
- glNewList(bp->ballList, GL_COMPILE);
- unit_sphere (SPHERE_STACKS, SPHERE_SLICES, wire);
- glEndList ();
-
- bp->boxList = glGenLists(1);
- glNewList(bp->boxList, GL_COMPILE);
- unit_cube(wire);
- glEndList();
-
- if (wire) return;
-
- glEnable(GL_COLOR_MATERIAL);
- glShadeModel(GL_SMOOTH);
- glClearDepth(1.0f);
- glEnable(GL_DEPTH_TEST);
- glDepthFunc(GL_LEQUAL);
- glEnable(GL_LIGHTING);
- glClearDepth(1);
- glLightfv(GL_LIGHT1, GL_DIFFUSE, LightDiffuse);
- glLightfv(GL_LIGHT1, GL_POSITION,LightPosition);
- glEnable(GL_LIGHT1);
- if (do_fade || do_blur) {
- glEnable(GL_BLEND);
- glDisable(GL_DEPTH_TEST);
- }
-}
-
-static void
-CheckBoxPos(blinkboxstruct *bp,
- GLfloat bot_x, GLfloat top_x, GLfloat bot_y, GLfloat top_y)
-{
- /*Make sure it's inside of the bounding box*/
- bp->bpos.x = ((bp->bpos.x - bp->bscale.wh) < bot_x) ? bot_x + bp->bscale.wh : bp->bpos.x;
- bp->bpos.x = ((bp->bpos.x + bp->bscale.wh) > top_x) ? top_x - bp->bscale.wh : bp->bpos.x;
- bp->bpos.y = ((bp->bpos.y - bp->bscale.wh) < bot_y) ? bot_y + bp->bscale.wh : bp->bpos.y;
- bp->bpos.y = ((bp->bpos.y + bp->bscale.wh) > top_y) ? top_y - bp->bscale.wh : bp->bpos.y;
-}
-
-ENTRYPOINT void
-draw_ball (ModeInfo *mi)
-{
- blinkboxstruct *bp = &blinkbox[MI_SCREEN(mi)];
-
- Display *dpy = MI_DISPLAY(mi);
- Window window = MI_WINDOW(mi);
- int i = 0;
-
- if (! bp->glx_context)
- return;
- mi->polygon_count = 0;
- glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *bp->glx_context);
-
- glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
- hit_top_bottom(bp);
- hit_front_back(bp);
- hit_side(bp);
-
- glRotated(0.25,0,0,1);
- glRotated(0.25,0,1,0);
- glRotated(0.25,1,0,0);
-
-
- glPushMatrix();
-
- {
- GLfloat s = (MI_WIDTH(mi) < MI_HEIGHT(mi)
- ? MI_WIDTH(mi) / (GLfloat) MI_HEIGHT(mi)
- : 1);
- s *= 0.5;
- glScalef (s, s, s);
- }
-
- glColor3f(1,1,1);
- glPushMatrix();
-
- if (!do_blur || MI_IS_WIREFRAME(mi)) {
- glTranslatef(bp->ball.x += bp->mo.x,
- bp->ball.y += bp->mo.y,
- bp->ball.z += bp->mo.z);
-
- glScalef(2,2,2);
- glCallList(bp->ballList);
- mi->polygon_count += SPHERE_SLICES*SPHERE_STACKS;
-
- } else {
-
-# define blur_detail 24.0
- float ball_alpha = 1 / blur_detail;
-
- glBlendFunc(GL_SRC_ALPHA,GL_ONE);
- glTranslatef(bp->ball.x, bp->ball.y, bp->ball.z);
-
- for (i = 0; i < blur_detail; ++i) {
- glTranslatef(bp->mo.x / blur_detail,
- bp->mo.y / blur_detail,
- bp->mo.z / blur_detail);
-
- /* comment the following line for quick but boring linear blur */
- ball_alpha = sin((M_PI / blur_detail) * i) / blur_detail;
-
- glColor4f(1, 1, 1, ball_alpha);
-
- glScalef(2, 2, 2);
- glCallList(bp->ballList);
- mi->polygon_count += SPHERE_SLICES*SPHERE_STACKS;
- glScalef(.5, .5, .5);
- }
- i = 0;
-
- bp->ball.x += bp->mo.x;
- bp->ball.y += bp->mo.y;
- bp->ball.z += bp->mo.z;
- }
-
- glPopMatrix();
-
- while(i < 6){
- switch(i){
- case 0:{
- bp->sp = &bp->lside;
- bp->bpos.x = bp->lside.pos.z*-1;
- bp->bpos.y = bp->lside.pos.y;
- bp->bpos.z = bbox.bottom.x - bp->bscale.d;
- if (bp->sp->hit)
- CheckBoxPos(bp, bbox.bottom.z,bbox.top.z,bbox.bottom.y,bbox.top.y);
- break;
- }
- case 1:{
- bp->sp = &bp->rside;
- bp->bpos.x = bp->rside.pos.z*-1;
- bp->bpos.y = bp->rside.pos.y;
- bp->bpos.z = bbox.top.x + bp->bscale.d;
- if (bp->sp->hit)
- CheckBoxPos(bp, bbox.bottom.z,bbox.top.z,bbox.bottom.y,bbox.top.y);
- break;
- }
- case 2:{
- bp->sp = &bp->tside;
- bp->bpos.x = bp->tside.pos.x;
- bp->bpos.y = bp->tside.pos.z;
- bp->bpos.z = bbox.bottom.y - bp->bscale.d;
- if (bp->sp->hit)
- CheckBoxPos(bp, bbox.bottom.x,bbox.top.x,bbox.bottom.z,bbox.top.z);
- break;
- }
- case 3:{
- bp->sp = &bp->bside;
- bp->bpos.x = bp->bside.pos.x;
- bp->bpos.y = bp->bside.pos.z;
- bp->bpos.z = bbox.top.y + bp->bscale.d;
- if (bp->sp->hit)
- CheckBoxPos(bp, bbox.bottom.x,bbox.top.x,bbox.bottom.z,bbox.top.z);
- break;
- }
- case 4:{
- bp->sp = &bp->fside;
- bp->bpos.x = bp->fside.pos.y;
- bp->bpos.y = bp->fside.pos.x*-1;
- bp->bpos.z = bbox.top.z + bp->bscale.d;
- if (bp->sp->hit)
- CheckBoxPos(bp, bbox.bottom.y,bbox.top.y,bbox.bottom.x,bbox.top.x);
- break;
- }
- case 5:{
- bp->sp = &bp->aside;
- bp->bpos.x = bp->aside.pos.y;
- bp->bpos.y = bp->aside.pos.x*-1;
- bp->bpos.z = bbox.bottom.z + bp->bscale.d;
- if (bp->sp->hit)
- CheckBoxPos(bp, bbox.bottom.y,bbox.top.y,bbox.bottom.x,bbox.top.x);
- break;
- }
- }
- if(bp->sp->hit){
- if(do_fade){
- glColor4f(bp->sp->color[0],bp->sp->color[1],bp->sp->color[2],1-(ALPHA_AMT * bp->sp->alpha_count));
- }else{
- glColor3fv(bp->sp->color);
- }
- glBlendFunc(GL_SRC_ALPHA,GL_ONE);
- glPushMatrix();
- glRotatef(bp->sp->rot[0],bp->sp->rot[1],bp->sp->rot[2],bp->sp->rot[3]);
- glTranslatef(bp->bpos.x,bp->bpos.y,bp->bpos.z);
- if (do_dissolve) {
- glScalef(bp->bscale.wh-(bp->des_amt*bp->sp->des_count),bp->bscale.wh-(bp->des_amt*bp->sp->des_count),bp->bscale.d);
- }else{
- glScalef(bp->bscale.wh,bp->bscale.wh,bp->bscale.d);
- }
- glCallList(bp->boxList);
- mi->polygon_count += 6;
- glPopMatrix();
- bp->sp->counter--;
- bp->sp->des_count++;
- bp->sp->alpha_count++;
- if(!bp->sp->counter)
- {
- bp->sp->hit = 0;
- }
- }
- i++;
- }
-
-
- glPopMatrix();
- if (mi->fps_p) do_fps (mi);
- glFinish();
- glXSwapBuffers(dpy, window);
-
-}
-
-ENTRYPOINT void
-free_ball (ModeInfo *mi)
-{
- blinkboxstruct *bp = &blinkbox[MI_SCREEN(mi)];
- if (!bp->glx_context) return;
- glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *bp->glx_context);
- if (glIsList(bp->ballList)) glDeleteLists(bp->ballList, 1);
- if (glIsList(bp->boxList)) glDeleteLists(bp->boxList, 1);
-}
-
-XSCREENSAVER_MODULE_2 ("BlinkBox", blinkbox, ball)
-
-#endif /* USE_GL */
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