6.09HEADmaster

1 files changed, 0 insertions, 281 deletions

diff --git a/hacks/glx/bubble3d.c b/hacks/glx/bubble3d.c
deleted file mode 100644
index 7b0b686..0000000
--- a/hacks/glx/bubble3d.c
+++ /dev/null
@@ -1,281 +0,0 @@
-/* -*- Mode: C; tab-width: 4 -*- */
-/* bubble3d.c - 3D bubbles  */
-
-#if 0
-static const char sccsid[] = "@(#)bubble3d.c  4.11 98/06/16 xlockmore";
-#endif
-
-/*-
- * BUBBLE3D (C) 1998 Richard W.M. Jones.
- * 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.
- *
- * Revision History:
- * 16-Jun-98: Written.
- *
- * bubble.c: This code is responsible for creating and managing
- * bubbles over their lifetime.
- * The bubbles may be drawn inside out.
- */
-
-#include "bubble3d.h"
-
-typedef struct bubble {
-	GLfloat    *contributions;	/* List of contributions from each
-					 * nudge to each vertex. This list has
-					 * length nr_vertices * nr_nudge_axes.
-					 */
-	GLfloat     x, y, z;	/* (x,y,z) location of the bubble. */
-	GLfloat     scale;	/* Scaling factor applied to bubble. */
-	GLfloat     y_incr, scale_incr;		/* Change in y and scale each frame. */
-	GLfloat     rotx, roty, rotz;	/* Current rotation. */
-	GLfloat     rotx_incr, roty_incr, rotz_incr;	/* Amount by which we increase
-							 * rotation each step.
-							 */
-	GLfloat    *nudge_angle;	/* Current angle (radians) of each
-					 * nudge. This list has length nr_nudge_axes.
-					 */
-	GLfloat    *nudge_angle_incr;	/* Amount by which we increase each nudge
-					 * angle in each frame.
-					 */
-	GLfloat	   color[4];
-} bubble;
-
-/* Should be taken care of already... but just in case */
-#if !defined( __GNUC__ ) && !defined(__cplusplus) && !defined(c_plusplus)
-#undef inline
-#define inline			/* */
-#endif
-static inline void
-normalize(GLfloat v[3])
-{
-	GLfloat     d = (GLfloat) sqrt((double) (v[0] * v[0] + v[1] * v[1] +
-						 v[2] * v[2]));
-
-	if (d != 0) {
-		v[0] /= d;
-		v[1] /= d;
-		v[2] /= d;
-	} else {
-		v[0] = v[1] = v[2] = 0;
-	}
-}
-
-static inline GLfloat
-dotprod(GLfloat * v1, GLfloat * v2)
-{
-	return v1[0] * v2[0] + v1[1] * v2[1] + v1[2] * v2[2];
-}
-
-static inline GLfloat
-max(GLfloat a, GLfloat b)
-{
-	return a > b ? a : b;
-}
-
-/* Create a new bubble. */
-void       *
-glb_bubble_new(glb_data *d, GLfloat x, GLfloat y, GLfloat z, GLfloat scale,
-	       GLfloat y_incr, GLfloat scale_incr)
-{
-	int         i, j;
-
-	/* GLfloat axes [glb_config.nr_nudge_axes][3]; */
-	GLfloat     axes[5][3];	/* HARD CODED for SunCC */
-	int         nr_vertices;
-	glb_vertex *vertices = glb_sphere_get_vertices(d, &nr_vertices);
-
-	bubble     *b = (bubble *) malloc(sizeof *b);
-
-	if (b == 0)
-		return 0;
-
-	if (glb_config.bubble_colour[0] == -1.0) {
-		b->color[0] = ((float) (NRAND(100)) / 100.0);
-		b->color[1] = ((float) (NRAND(100)) / 100.0);
-		b->color[2] = ((float) (NRAND(100)) / 100.0);
-	} else {
-		b->color[0] = glb_config.bubble_colour[0];
-		b->color[1] = glb_config.bubble_colour[1];
-		b->color[2] = glb_config.bubble_colour[2];
-	}
-	b->color[3] = glb_config.bubble_colour[3];
-	
-
-	b->contributions = (GLfloat *) malloc(sizeof (GLfloat) * nr_vertices *
-					      glb_config.nr_nudge_axes);
-	if (b->contributions == 0) {
-		free(b);
-		return 0;
-	}
-	b->nudge_angle = (GLfloat *) malloc(sizeof (GLfloat) * glb_config.nr_nudge_axes);
-	if (b->nudge_angle == 0) {
-		free(b->contributions);
-		free(b);
-		return 0;
-	}
-	b->nudge_angle_incr = (GLfloat *) malloc(sizeof (GLfloat) * glb_config.nr_nudge_axes);
-	if (b->nudge_angle_incr == 0) {
-		free(b->nudge_angle);
-		free(b->contributions);
-		free(b);
-		return 0;
-	}
-	/* Initialize primitive elements. */
-	b->x = x;
-	b->y = y;
-	b->z = z;
-	b->scale = scale;
-	b->y_incr = y_incr;
-	b->scale_incr = scale_incr;
-	b->rotx = b->roty = b->rotz = 0;
-	b->rotx_incr = glb_drand() * glb_config.rotation_factor * 2
-		- glb_config.rotation_factor;
-	b->roty_incr = glb_drand() * glb_config.rotation_factor * 2
-		- glb_config.rotation_factor;
-	b->rotz_incr = glb_drand() * glb_config.rotation_factor * 2
-		- glb_config.rotation_factor;
-
-	/* Initialize the nudge angle arrays. */
-	for (i = 0; i < glb_config.nr_nudge_axes; ++i) {
-		b->nudge_angle[i] = 0;
-		b->nudge_angle_incr[i] = glb_drand() * glb_config.nudge_angle_factor;
-	}
-
-	/* Choose some random nudge axes. */
-	for (i = 0; i < glb_config.nr_nudge_axes; ++i) {
-		axes[i][0] = glb_drand() * 2 - 1;
-		axes[i][1] = glb_drand() * 2 - 1;
-		axes[i][2] = glb_drand() * 2 - 1;
-		normalize(axes[i]);
-	}
-
-	/* Calculate the contribution that each nudge axis has on each vertex. */
-	for (i = 0; i < nr_vertices; ++i)
-		for (j = 0; j < glb_config.nr_nudge_axes; ++j)
-			b->contributions[i * glb_config.nr_nudge_axes + j]
-				= max(0, dotprod(vertices[i], axes[j]));
-
-	return (void *) b;
-}
-
-/* Delete a bubble and free up all memory. */
-void
-glb_bubble_delete(void *bb)
-{
-	bubble     *b = (bubble *) bb;
-
-	if (b != NULL) {
-		if (b->nudge_angle_incr) {
-			free(b->nudge_angle_incr);
-			b->nudge_angle_incr = NULL;
-		}
-		if (b->nudge_angle) {
-			free(b->nudge_angle);
-			b->nudge_angle = NULL;
-		}
-		if (b->contributions) {
-			free(b->contributions);
-			b->contributions = NULL;
-		}
-		free(b);
-		b = NULL;
-	}
-}
-
-/* Rotate and wobble a bubble by a single step. */
-void
-glb_bubble_step(void *bb)
-{
-	int         i;
-	bubble     *b = (bubble *) bb;
-
-	/* Update the rotation. */
-	b->rotx += b->rotx_incr;
-	b->roty += b->roty_incr;
-	b->rotz += b->rotz_incr;
-
-	/* Update the nudge angles. */
-	for (i = 0; i < glb_config.nr_nudge_axes; ++i)
-		b->nudge_angle[i] += b->nudge_angle_incr[i];
-
-	/* Move it upwards & outwards. */
-	b->y += b->y_incr;
-	b->scale += b->scale_incr;
-}
-
-/* Draw a bubble. */
-void
-glb_bubble_draw(glb_data *d, void *bb)
-{
-	int         i, j;
-	bubble     *b = (bubble *) bb;
-	int         nr_vertices;
-	glb_vertex *vertices = glb_sphere_get_vertices(d, &nr_vertices);
-	int         nr_triangles;
-	glb_triangle *triangles = glb_sphere_get_triangles(d, &nr_triangles);
-	glb_vertex *new_vertices;
-
-	new_vertices = (glb_vertex *) malloc(sizeof (glb_vertex) * nr_vertices);
-	/* Calculate the vertices of this bubble, factoring in each nudge axis. */
-	for (i = 0; i < nr_vertices; ++i) {
-		GLfloat     s = 0;
-
-		for (j = 0; j < glb_config.nr_nudge_axes; ++j)
-			s += ((GLfloat) cos((double) (b->nudge_angle[j])) *
-			      glb_config.nudge_factor - glb_config.nudge_factor / 2) *
-				b->contributions[i * glb_config.nr_nudge_axes + j];
-
-		new_vertices[i][0] = vertices[i][0] * (s + 1);
-		new_vertices[i][1] = vertices[i][1] * (s + 1);
-		new_vertices[i][2] = vertices[i][2] * (s + 1);
-	}
-
-	glPushMatrix();
-
-	/* Apply translation, rotation and scalings. */
-	glTranslatef(b->x, b->y, b->z);
-
-	glRotatef(b->rotx, 1, 0, 0);
-	glRotatef(b->roty, 0, 1, 0);
-	glRotatef(b->rotz, 0, 0, 1);
-
-	glScalef(b->scale, b->scale, b->scale);
-
-	/* Draw the bubble. */
-    glFrontFace(GL_CW);
-	glBegin(GL_TRIANGLES);
-
-	glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, b->color);
-
-	for (i = 0; i < nr_triangles; ++i) {
-		glNormal3fv(new_vertices[triangles[i][0]]);
-		glVertex3fv(new_vertices[triangles[i][0]]);
-		glNormal3fv(new_vertices[triangles[i][1]]);
-		glVertex3fv(new_vertices[triangles[i][1]]);
-		glNormal3fv(new_vertices[triangles[i][2]]);
-		glVertex3fv(new_vertices[triangles[i][2]]);
-	}
-	glEnd();
-	glPopMatrix();
-	free(new_vertices);
-    glb_config.polygon_count += nr_triangles;
-}
-
-/* Return y value. */
-GLfloat
-glb_bubble_get_y(void *bb)
-{
-	bubble     *b = (bubble *) bb;
-
-	return b->y;
-}