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diff --git a/distrib/sdl-1.2.15/Xcode/TemplatesForXcodeTiger/SDL OpenGL Application/atlantis/swim.c b/distrib/sdl-1.2.15/Xcode/TemplatesForXcodeTiger/SDL OpenGL Application/atlantis/swim.c
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+++ b/distrib/sdl-1.2.15/Xcode/TemplatesForXcodeTiger/SDL OpenGL Application/atlantis/swim.c
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+/**
+ * (c) Copyright 1993, 1994, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+#include <math.h>
+#include <stdlib.h> /* For rand(). */
+#include <GLUT/glut.h>
+#include "atlantis.h"
+
+void
+FishTransform(fishRec * fish)
+{
+
+ glTranslatef(fish->y, fish->z, -fish->x);
+ glRotatef(-fish->psi, 0.0, 1.0, 0.0);
+ glRotatef(fish->theta, 1.0, 0.0, 0.0);
+ glRotatef(-fish->phi, 0.0, 0.0, 1.0);
+}
+
+void
+WhalePilot(fishRec * fish)
+{
+
+ fish->phi = -20.0;
+ fish->theta = 0.0;
+ fish->psi -= 0.5;
+
+ fish->x += WHALESPEED * fish->v * cos(fish->psi / RAD) * cos(fish->theta / RAD);
+ fish->y += WHALESPEED * fish->v * sin(fish->psi / RAD) * cos(fish->theta / RAD);
+ fish->z += WHALESPEED * fish->v * sin(fish->theta / RAD);
+}
+
+void
+SharkPilot(fishRec * fish)
+{
+ static int sign = 1;
+ float X, Y, Z, tpsi, ttheta, thetal;
+
+ fish->xt = 60000.0;
+ fish->yt = 0.0;
+ fish->zt = 0.0;
+
+ X = fish->xt - fish->x;
+ Y = fish->yt - fish->y;
+ Z = fish->zt - fish->z;
+
+ thetal = fish->theta;
+
+ ttheta = RAD * atan(Z / (sqrt(X * X + Y * Y)));
+
+ if (ttheta > fish->theta + 0.25) {
+ fish->theta += 0.5;
+ } else if (ttheta < fish->theta - 0.25) {
+ fish->theta -= 0.5;
+ }
+ if (fish->theta > 90.0) {
+ fish->theta = 90.0;
+ }
+ if (fish->theta < -90.0) {
+ fish->theta = -90.0;
+ }
+ fish->dtheta = fish->theta - thetal;
+
+ tpsi = RAD * atan2(Y, X);
+
+ fish->attack = 0;
+
+ if (fabs(tpsi - fish->psi) < 10.0) {
+ fish->attack = 1;
+ } else if (fabs(tpsi - fish->psi) < 45.0) {
+ if (fish->psi > tpsi) {
+ fish->psi -= 0.5;
+ if (fish->psi < -180.0) {
+ fish->psi += 360.0;
+ }
+ } else if (fish->psi < tpsi) {
+ fish->psi += 0.5;
+ if (fish->psi > 180.0) {
+ fish->psi -= 360.0;
+ }
+ }
+ } else {
+ if (rand() % 100 > 98) {
+ sign = 1 - sign;
+ }
+ fish->psi += sign;
+ if (fish->psi > 180.0) {
+ fish->psi -= 360.0;
+ }
+ if (fish->psi < -180.0) {
+ fish->psi += 360.0;
+ }
+ }
+
+ if (fish->attack) {
+ if (fish->v < 1.1) {
+ fish->spurt = 1;
+ }
+ if (fish->spurt) {
+ fish->v += 0.2;
+ }
+ if (fish->v > 5.0) {
+ fish->spurt = 0;
+ }
+ if ((fish->v > 1.0) && (!fish->spurt)) {
+ fish->v -= 0.2;
+ }
+ } else {
+ if (!(rand() % 400) && (!fish->spurt)) {
+ fish->spurt = 1;
+ }
+ if (fish->spurt) {
+ fish->v += 0.05;
+ }
+ if (fish->v > 3.0) {
+ fish->spurt = 0;
+ }
+ if ((fish->v > 1.0) && (!fish->spurt)) {
+ fish->v -= 0.05;
+ }
+ }
+
+ fish->x += SHARKSPEED * fish->v * cos(fish->psi / RAD) * cos(fish->theta / RAD);
+ fish->y += SHARKSPEED * fish->v * sin(fish->psi / RAD) * cos(fish->theta / RAD);
+ fish->z += SHARKSPEED * fish->v * sin(fish->theta / RAD);
+}
+
+void
+SharkMiss(int i)
+{
+ int j;
+ float avoid, thetal;
+ float X, Y, Z, R;
+
+ for (j = 0; j < NUM_SHARKS; j++) {
+ if (j != i) {
+ X = sharks[j].x - sharks[i].x;
+ Y = sharks[j].y - sharks[i].y;
+ Z = sharks[j].z - sharks[i].z;
+
+ R = sqrt(X * X + Y * Y + Z * Z);
+
+ avoid = 1.0;
+ thetal = sharks[i].theta;
+
+ if (R < SHARKSIZE) {
+ if (Z > 0.0) {
+ sharks[i].theta -= avoid;
+ } else {
+ sharks[i].theta += avoid;
+ }
+ }
+ sharks[i].dtheta += (sharks[i].theta - thetal);
+ }
+ }
+}