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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- * Unpublished-- rights reserved under the copyright laws of the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 <stdio.h>
- #include <string.h>
- #include <math.h>
- #include <GL/gl.h>
- #include "tk.h"
- #include "atlantis.h"
-
-
- fishRec sharks[NUM_SHARKS];
- fishRec momWhale;
- fishRec babyWhale;
- fishRec dolph;
-
- GLint windW, windH;
- GLenum directRender;
- GLenum mouseLeftAction = GL_FALSE, mouseRightAction = GL_FALSE,
- mouseMiddleAction = GL_FALSE;
- char *fileName = 0;
- TK_RGBImageRec *image;
-
-
- void InitFishs(void)
- {
- int i;
-
- for (i = 0; i < NUM_SHARKS; i++) {
- sharks[i].x = 70000.0 + rand() % 6000;
- sharks[i].y = rand() % 6000;
- sharks[i].z = rand() % 6000;
- sharks[i].psi = rand() % 360 - 180.0;
- sharks[i].v = 1.0;
- }
-
- dolph.x = 30000.0;
- dolph.y = 0.0;
- dolph.z = 6000.0;
- dolph.psi = 90.0;
- dolph.theta = 0.0;
- dolph.v = 3.0;
-
- momWhale.x = 70000.0;
- momWhale.y = 0.0;
- momWhale.z = 0.0;
- momWhale.psi = 90.0;
- momWhale.theta = 0.0;
- momWhale.v = 3.0;
-
- babyWhale.x = 60000.0;
- babyWhale.y = -2000.0;
- babyWhale.z = -2000.0;
- babyWhale.psi = 90.0;
- babyWhale.theta = 0.0;
- babyWhale.v = 3.0;
- }
-
- void Init(void)
- {
- static float ambient[] = {0.1, 0.1, 0.1, 1.0};
- static float diffuse[] = {1.0, 1.0, 1.0, 1.0};
- static float position[] = {0.0, 1.0, 0.0, 0.0};
- static float mat_shininess[] = {90.0};
- static float mat_specular[] = {0.8, 0.8, 0.8, 1.0};
- static float mat_diffuse[] = {0.46, 0.66, 0.795, 1.0};
- static float mat_ambient[] = {0.0, 0.1, 0.2, 1.0};
- static float lmodel_ambient[] = {0.4, 0.4, 0.4, 1.0};
- static float lmodel_localviewer[] = {0.0};
- GLfloat map1[4] = {0.0, 0.0, 0.0, 0.0};
- GLfloat map2[4] = {0.0, 0.0, 0.0, 0.0};
-
- glFrontFace(GL_CW);
-
- glDepthFunc(GL_LEQUAL);
- glEnable(GL_DEPTH_TEST);
-
- glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
- glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
- glLightfv(GL_LIGHT0, GL_POSITION, position);
- glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
- glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER, lmodel_localviewer);
- glEnable(GL_LIGHTING);
- glEnable(GL_LIGHT0);
-
- glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, mat_shininess);
- glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, mat_specular);
- glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, mat_diffuse);
- glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, mat_ambient);
-
- if (fileName != 0) {
- glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
- image = tkRGBImageLoad(fileName);
-
- glTexImage2D(GL_TEXTURE_2D, 0, 3, image->sizeX, image->sizeY, 0, GL_RGB,
- GL_UNSIGNED_BYTE, (unsigned char *)image->data);
-
- glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
- glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
- glPushMatrix();
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- map1[0] = 1.0 / 200000.0 * 50.0;
- map2[2] = 1.0 / 200000.0 * 50.0;
- glTexGenfv(GL_S, GL_EYE_PLANE, map1);
- glTexGenfv(GL_T, GL_EYE_PLANE, map2);
- glPopMatrix();
-
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
-
- glEnable(GL_TEXTURE_2D);
- glEnable(GL_TEXTURE_GEN_S);
- glEnable(GL_TEXTURE_GEN_T);
- }
-
- InitFishs();
-
- glClearColor(0.0, 0.5, 0.9, 0.0);
- }
-
- void Reshape(int width, int height)
- {
-
- windW = (GLint)width;
- windH = (GLint)height;
-
- glViewport(0, 0, windW, windH);
-
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- gluPerspective(400.0, 1.0, 1.0, 2000000.0);
- glMatrixMode(GL_MODELVIEW);
- }
-
- void Animate(void);
-
- GLenum Key(int key, GLenum mask)
- {
-
- switch (key) {
- case TK_ESCAPE:
- tkQuit();
- case TK_r:
- case TK_R:
- InitFishs();
- glClearColor(0.0, 0.5, 0.9, 0.0);
- glLoadIdentity();
- Reshape(windW,windH);
- tkIdleFunc(Animate);
- default:
- return GL_FALSE;
- }
- return GL_TRUE;
- }
-
- void DoMouseLeft(void)
- {
- float x, y;
- int mouseX, mouseY;
-
- tkGetMouseLoc(&mouseX, &mouseY);
- x = (float)mouseX - ((float)windW / 2.0);
- y = (float)mouseY - ((float)windH / 2.0);
- glTranslatef(-x*20.0, y*20.0, 0.0);
- }
-
- void DoMouseRight(void)
- {
- float y;
- int mouseX, mouseY;
-
- tkGetMouseLoc(&mouseX, &mouseY);
- y = (float)mouseY - ((float)windH / 2.0);
- glTranslatef(0.0, 0.0, -y*20.0);
- }
-
- void DoMouseMiddle(void)
- {
- float x, y;
- int mouseX, mouseY;
-
- tkGetMouseLoc(&mouseX, &mouseY);
- x = (float)mouseX - ((float)windW / 2.0);
- y = (float)mouseY - ((float)windH / 2.0);
- glRotatef(-x/100.0, 0.0, 1.0, 0.0);
- glRotatef(-y/100.0, 1.0, 0.0, 0.0);
- }
-
- GLenum MouseDown(int mouseX, int mouseY, GLenum button)
- {
- float x, y;
-
- if (button & TK_LEFTBUTTON) {
- mouseLeftAction = GL_TRUE;
- }
- if (button & TK_RIGHTBUTTON) {
- mouseRightAction = GL_TRUE;
- }
- if (button & TK_MIDDLEBUTTON) {
- mouseMiddleAction = GL_TRUE;
- }
- return GL_TRUE;
- }
-
- GLenum MouseUp(int mouseX, int mouseY, GLenum button)
- {
- float x, y;
-
- if (button & TK_LEFTBUTTON) {
- mouseLeftAction = GL_FALSE;
- }
- if (button & TK_RIGHTBUTTON) {
- mouseRightAction = GL_FALSE;
- }
- if (button & TK_MIDDLEBUTTON) {
- mouseMiddleAction = GL_FALSE;
- }
- return GL_TRUE;
- }
-
- void Animate(void)
- {
- int i;
-
- glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
-
- if (mouseLeftAction == GL_TRUE) {
- DoMouseLeft();
- }
- if (mouseRightAction == GL_TRUE) {
- DoMouseRight();
- }
- if (mouseMiddleAction == GL_TRUE) {
- DoMouseMiddle();
- }
-
- for (i = 0; i < NUM_SHARKS; i++) {
- glPushMatrix();
- SharkPilot(&sharks[i]);
- SharkMiss(i);
- FishTransform(&sharks[i]);
- DrawShark(&sharks[i]);
- glPopMatrix();
- }
-
- glPushMatrix();
- WhalePilot(&dolph);
- dolph.phi++;
- FishTransform(&dolph);
- DrawDolphin(&dolph);
- glPopMatrix();
-
- glPushMatrix();
- WhalePilot(&momWhale);
- momWhale.phi++;
- FishTransform(&momWhale);
- DrawWhale(&momWhale);
- glPopMatrix();
-
- glPushMatrix();
- WhalePilot(&babyWhale);
- babyWhale.phi++;
- FishTransform(&babyWhale);
- glScalef(0.45, 0.45, 0.3);
- DrawWhale(&babyWhale);
- glPopMatrix();
-
- tkSwapBuffers();
- }
-
- GLenum Args(int argc, char **argv)
- {
- GLint i;
-
- directRender = GL_TRUE;
-
- for (i = 1; i < argc; i++) {
- if (strcmp(argv[i], "-dr") == 0) {
- directRender = GL_TRUE;
- } else if (strcmp(argv[i], "-ir") == 0) {
- directRender = GL_FALSE;
- } else if (strcmp(argv[i], "-f") == 0) {
- if (i+1 >= argc || argv[i+1][0] == '-') {
- printf("-f (No file name).\n");
- return GL_FALSE;
- } else {
- fileName = argv[++i];
- }
- } else {
- printf("%s (Bad option).\n", argv[i]);
- return GL_FALSE;
- }
- }
- return GL_TRUE;
- }
-
- void main(int argc, char **argv)
- {
- GLenum type;
-
- if (Args(argc, argv) == GL_FALSE) {
- tkQuit();
- }
-
- windW = 600;
- windH = 600;
- tkInitPosition(0, 0, windW, windH);
-
- type = TK_RGB | TK_DOUBLE | TK_DEPTH;
- type |= (directRender) ? TK_DIRECT : TK_INDIRECT;
- tkInitDisplayMode(type);
-
- if (tkInitWindow("Atlantis Demo") == GL_FALSE) {
- tkQuit();
- }
-
- Init();
-
- tkExposeFunc(Reshape);
- tkReshapeFunc(Reshape);
- tkKeyDownFunc(Key);
- tkMouseDownFunc(MouseDown);
- tkMouseUpFunc(MouseUp);
- tkIdleFunc(Animate);
- tkExec();
- }
-