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-rw-r--r--progs/samples/wave.c619
1 files changed, 0 insertions, 619 deletions
diff --git a/progs/samples/wave.c b/progs/samples/wave.c
deleted file mode 100644
index 396a6943e3..0000000000
--- a/progs/samples/wave.c
+++ /dev/null
@@ -1,619 +0,0 @@
-/*
- * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that (i) the above copyright notices and this permission notice appear in
- * all copies of the software and related documentation, and (ii) the name of
- * Silicon Graphics may not be used in any advertising or
- * publicity relating to the software without the specific, prior written
- * permission of Silicon Graphics.
- *
- * THE SOFTWARE IS PROVIDED "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 BE LIABLE FOR
- * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
- * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
- * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <math.h>
-#include <GL/glut.h>
-
-#ifndef PI
-#define PI 3.14159265358979323846
-#endif
-
-#define GETCOORD(frame, x, y) (&(theMesh.coords[frame*theMesh.numCoords+(x)+(y)*(theMesh.widthX+1)]))
-#define GETFACET(frame, x, y) (&(theMesh.facets[frame*theMesh.numFacets+(x)+(y)*theMesh.widthX]))
-
-
-GLenum rgb, doubleBuffer;
-
-#include "tkmap.c"
-
-GLint colorIndexes1[3];
-GLint colorIndexes2[3];
-GLenum clearMask = GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT;
-
-GLenum smooth = GL_FALSE;
-GLenum lighting = GL_TRUE;
-GLenum depth = GL_TRUE;
-GLenum stepMode = GL_FALSE;
-GLenum spinMode = GL_FALSE;
-GLint contouring = 0;
-
-GLint widthX, widthY;
-GLint checkerSize;
-float height;
-
-GLint frames, curFrame = 0, nextFrame = 0;
-
-struct facet {
- float color[3];
- float normal[3];
-};
-struct coord {
- float vertex[3];
- float normal[3];
-};
-struct mesh {
- GLint widthX, widthY;
- GLint numFacets;
- GLint numCoords;
- GLint frames;
- struct coord *coords;
- struct facet *facets;
-} theMesh;
-
-GLubyte contourTexture1[] = {
- 255, 255, 255, 255,
- 255, 255, 255, 255,
- 255, 255, 255, 255,
- 127, 127, 127, 127,
-};
-GLubyte contourTexture2[] = {
- 255, 255, 255, 255,
- 255, 127, 127, 127,
- 255, 127, 127, 127,
- 255, 127, 127, 127,
-};
-
-#if !defined(GLUTCALLBACK)
-#define GLUTCALLBACK
-#endif
-
-
-static void GLUTCALLBACK glut_post_redisplay_p(void)
-{
- static double t0 = -1.;
- double t, dt;
- t = glutGet(GLUT_ELAPSED_TIME) / 1000.;
- if (t0 < 0.)
- t0 = t;
- dt = t - t0;
-
- if (dt < 1./30.)
- return;
-
- t0 = t;
-
- glutPostRedisplay();
-}
-
-static void Animate(void)
-{
- struct coord *coord;
- struct facet *facet;
- float *lastColor;
- float *thisColor;
- GLint i, j;
-
- glClear(clearMask);
-
- if (nextFrame || !stepMode) {
- curFrame++;
- }
- if (curFrame >= theMesh.frames) {
- curFrame = 0;
- }
-
- if ((nextFrame || !stepMode) && spinMode) {
- glRotatef(5.0, 0.0, 0.0, 1.0);
- }
- nextFrame = 0;
-
- for (i = 0; i < theMesh.widthX; i++) {
- glBegin(GL_QUAD_STRIP);
- lastColor = NULL;
- for (j = 0; j < theMesh.widthY; j++) {
- facet = GETFACET(curFrame, i, j);
- if (!smooth && lighting) {
- glNormal3fv(facet->normal);
- }
- if (lighting) {
- if (rgb) {
- thisColor = facet->color;
- glColor3fv(facet->color);
- } else {
- thisColor = facet->color;
- glMaterialfv(GL_FRONT_AND_BACK, GL_COLOR_INDEXES,
- facet->color);
- }
- } else {
- if (rgb) {
- thisColor = facet->color;
- glColor3fv(facet->color);
- } else {
- thisColor = facet->color;
- glIndexf(facet->color[1]);
- }
- }
-
- if (!lastColor || (thisColor[0] != lastColor[0] && smooth)) {
- if (lastColor) {
- glEnd();
- glBegin(GL_QUAD_STRIP);
- }
- coord = GETCOORD(curFrame, i, j);
- if (smooth && lighting) {
- glNormal3fv(coord->normal);
- }
- glVertex3fv(coord->vertex);
-
- coord = GETCOORD(curFrame, i+1, j);
- if (smooth && lighting) {
- glNormal3fv(coord->normal);
- }
- glVertex3fv(coord->vertex);
- }
-
- coord = GETCOORD(curFrame, i, j+1);
- if (smooth && lighting) {
- glNormal3fv(coord->normal);
- }
- glVertex3fv(coord->vertex);
-
- coord = GETCOORD(curFrame, i+1, j+1);
- if (smooth && lighting) {
- glNormal3fv(coord->normal);
- }
- glVertex3fv(coord->vertex);
-
- lastColor = thisColor;
- }
- glEnd();
- }
-
- glFlush();
- if (doubleBuffer) {
- glutSwapBuffers();
- }
-}
-
-static void SetColorMap(void)
-{
- static float green[3] = {0.2, 1.0, 0.2};
- static float red[3] = {1.0, 0.2, 0.2};
- float *color = 0, percent;
- GLint *indexes = 0, entries, i, j;
-
- entries = glutGet(GLUT_WINDOW_COLORMAP_SIZE);
-
- colorIndexes1[0] = 1;
- colorIndexes1[1] = 1 + (GLint)((entries - 1) * 0.3);
- colorIndexes1[2] = (GLint)((entries - 1) * 0.5);
- colorIndexes2[0] = 1 + (GLint)((entries - 1) * 0.5);
- colorIndexes2[1] = 1 + (GLint)((entries - 1) * 0.8);
- colorIndexes2[2] = entries - 1;
-
- for (i = 0; i < 2; i++) {
- switch (i) {
- case 0:
- color = green;
- indexes = colorIndexes1;
- break;
- case 1:
- color = red;
- indexes = colorIndexes2;
- break;
- }
-
- for (j = indexes[0]; j < indexes[1]; j++) {
- percent = 0.2 + 0.8 * (j - indexes[0]) /
- (float)(indexes[1] - indexes[0]);
- glutSetColor(j, percent*color[0], percent*color[1],
- percent*color[2]);
- }
- for (j=indexes[1]; j<=indexes[2]; j++) {
- percent = (j - indexes[1]) / (float)(indexes[2] - indexes[1]);
- glutSetColor(j, percent*(1-color[0])+color[0],
- percent*(1-color[1])+color[1],
- percent*(1-color[2])+color[2]);
- }
- }
-}
-
-static void InitMesh(void)
-{
- struct coord *coord;
- struct facet *facet;
- float dp1[3], dp2[3];
- float *pt1, *pt2, *pt3;
- float angle, d, x, y;
- GLint numFacets, numCoords, frameNum, i, j;
-
- theMesh.widthX = widthX;
- theMesh.widthY = widthY;
- theMesh.frames = frames;
-
- numFacets = widthX * widthY;
- numCoords = (widthX + 1) * (widthY + 1);
-
- theMesh.numCoords = numCoords;
- theMesh.numFacets = numFacets;
-
- theMesh.coords = (struct coord *)malloc(frames*numCoords*
- sizeof(struct coord));
- theMesh.facets = (struct facet *)malloc(frames*numFacets*
- sizeof(struct facet));
- if (theMesh.coords == NULL || theMesh.facets == NULL) {
- printf("Out of memory.\n");
- exit(1);
- }
-
- for (frameNum = 0; frameNum < frames; frameNum++) {
- for (i = 0; i <= widthX; i++) {
- x = i / (float)widthX;
- for (j = 0; j <= widthY; j++) {
- y = j / (float)widthY;
-
- d = sqrt(x*x+y*y);
- if (d == 0.0) {
- d = 0.0001;
- }
- angle = 2 * PI * d + (2 * PI / frames * frameNum);
-
- coord = GETCOORD(frameNum, i, j);
-
- coord->vertex[0] = x - 0.5;
- coord->vertex[1] = y - 0.5;
- coord->vertex[2] = (height - height * d) * cos(angle);
-
- coord->normal[0] = -(height / d) * x * ((1 - d) * 2 * PI *
- sin(angle) + cos(angle));
- coord->normal[1] = -(height / d) * y * ((1 - d) * 2 * PI *
- sin(angle) + cos(angle));
- coord->normal[2] = -1;
-
- d = 1.0 / sqrt(coord->normal[0]*coord->normal[0]+
- coord->normal[1]*coord->normal[1]+1);
- coord->normal[0] *= d;
- coord->normal[1] *= d;
- coord->normal[2] *= d;
- }
- }
- for (i = 0; i < widthX; i++) {
- for (j = 0; j < widthY; j++) {
- facet = GETFACET(frameNum, i, j);
- if (((i/checkerSize)%2)^(j/checkerSize)%2) {
- if (rgb) {
- facet->color[0] = 1.0;
- facet->color[1] = 0.2;
- facet->color[2] = 0.2;
- } else {
- facet->color[0] = colorIndexes1[0];
- facet->color[1] = colorIndexes1[1];
- facet->color[2] = colorIndexes1[2];
- }
- } else {
- if (rgb) {
- facet->color[0] = 0.2;
- facet->color[1] = 1.0;
- facet->color[2] = 0.2;
- } else {
- facet->color[0] = colorIndexes2[0];
- facet->color[1] = colorIndexes2[1];
- facet->color[2] = colorIndexes2[2];
- }
- }
- pt1 = GETCOORD(frameNum, i, j)->vertex;
- pt2 = GETCOORD(frameNum, i, j+1)->vertex;
- pt3 = GETCOORD(frameNum, i+1, j+1)->vertex;
-
- dp1[0] = pt2[0] - pt1[0];
- dp1[1] = pt2[1] - pt1[1];
- dp1[2] = pt2[2] - pt1[2];
-
- dp2[0] = pt3[0] - pt2[0];
- dp2[1] = pt3[1] - pt2[1];
- dp2[2] = pt3[2] - pt2[2];
-
- facet->normal[0] = dp1[1] * dp2[2] - dp1[2] * dp2[1];
- facet->normal[1] = dp1[2] * dp2[0] - dp1[0] * dp2[2];
- facet->normal[2] = dp1[0] * dp2[1] - dp1[1] * dp2[0];
-
- d = 1.0 / sqrt(facet->normal[0]*facet->normal[0]+
- facet->normal[1]*facet->normal[1]+
- facet->normal[2]*facet->normal[2]);
-
- facet->normal[0] *= d;
- facet->normal[1] *= d;
- facet->normal[2] *= d;
- }
- }
- }
-}
-
-static void InitMaterials(void)
-{
- static float ambient[] = {0.1, 0.1, 0.1, 1.0};
- static float diffuse[] = {0.5, 1.0, 1.0, 1.0};
- static float position[] = {90.0, 90.0, 150.0, 0.0};
- static float front_mat_shininess[] = {60.0};
- static float front_mat_specular[] = {0.2, 0.2, 0.2, 1.0};
- static float front_mat_diffuse[] = {0.5, 0.28, 0.38, 1.0};
- static float back_mat_shininess[] = {60.0};
- static float back_mat_specular[] = {0.5, 0.5, 0.2, 1.0};
- static float back_mat_diffuse[] = {1.0, 1.0, 0.2, 1.0};
- static float lmodel_ambient[] = {1.0, 1.0, 1.0, 1.0};
- static float lmodel_twoside[] = {GL_TRUE};
-
- glMatrixMode(GL_PROJECTION);
- gluPerspective(90.0, 1.0, 0.5, 10.0);
-
- 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_TWO_SIDE, lmodel_twoside);
- glEnable(GL_LIGHTING);
- glEnable(GL_LIGHT0);
-
- glMaterialfv(GL_FRONT, GL_SHININESS, front_mat_shininess);
- glMaterialfv(GL_FRONT, GL_SPECULAR, front_mat_specular);
- glMaterialfv(GL_FRONT, GL_DIFFUSE, front_mat_diffuse);
- glMaterialfv(GL_BACK, GL_SHININESS, back_mat_shininess);
- glMaterialfv(GL_BACK, GL_SPECULAR, back_mat_specular);
- glMaterialfv(GL_BACK, GL_DIFFUSE, back_mat_diffuse);
- if (rgb) {
- glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE);
- }
-
- if (rgb) {
- glEnable(GL_COLOR_MATERIAL);
- } else {
- SetColorMap();
- }
-}
-
-static void InitTexture(void)
-{
-
- 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_NEAREST);
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
-}
-
-static void Init(void)
-{
-
- glClearColor(0.0, 0.0, 0.0, 0.0);
-
- glShadeModel(GL_FLAT);
-
- glFrontFace(GL_CW);
-
- glEnable(GL_DEPTH_TEST);
-
- InitMaterials();
- InitTexture();
- InitMesh();
-
- glMatrixMode(GL_MODELVIEW);
- glTranslatef(0.0, 0.4, -1.8);
- glScalef(2.0, 2.0, 2.0);
- glRotatef(-35.0, 1.0, 0.0, 0.0);
- glRotatef(35.0, 0.0, 0.0, 1.0);
-}
-
-static void Reshape(int width, int height)
-{
-
- glViewport(0, 0, (GLint)width, (GLint)height);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
- switch (key) {
- case 27:
- exit(1);
- case 'c':
- contouring++;
- if (contouring == 1) {
- static GLfloat map[4] = {0, 0, 20, 0};
-
- glTexImage2D(GL_TEXTURE_2D, 0, 3, 4, 4, 0, GL_LUMINANCE,
- GL_UNSIGNED_BYTE, (GLvoid *)contourTexture1);
- glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
- glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
- glTexGenfv(GL_S, GL_OBJECT_PLANE, map);
- glTexGenfv(GL_T, GL_OBJECT_PLANE, map);
- glEnable(GL_TEXTURE_2D);
- glEnable(GL_TEXTURE_GEN_S);
- glEnable(GL_TEXTURE_GEN_T);
- } else if (contouring == 2) {
- static GLfloat map[4] = {0, 0, 20, 0};
-
- 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();
- glTexGenfv(GL_S, GL_EYE_PLANE, map);
- glTexGenfv(GL_T, GL_EYE_PLANE, map);
- glPopMatrix();
- } else {
- contouring = 0;
- glDisable(GL_TEXTURE_GEN_S);
- glDisable(GL_TEXTURE_GEN_T);
- glDisable(GL_TEXTURE_2D);
- }
- break;
- case 's':
- smooth = !smooth;
- if (smooth) {
- glShadeModel(GL_SMOOTH);
- } else {
- glShadeModel(GL_FLAT);
- }
- break;
- case 'l':
- lighting = !lighting;
- if (lighting) {
- glEnable(GL_LIGHTING);
- glEnable(GL_LIGHT0);
- if (rgb) {
- glEnable(GL_COLOR_MATERIAL);
- }
- } else {
- glDisable(GL_LIGHTING);
- glDisable(GL_LIGHT0);
- if (rgb) {
- glDisable(GL_COLOR_MATERIAL);
- }
- }
- break;
- case 'd':
- depth = !depth;
- if (depth) {
- glEnable(GL_DEPTH_TEST);
- clearMask |= GL_DEPTH_BUFFER_BIT;
- } else {
- glDisable(GL_DEPTH_TEST);
- clearMask &= ~GL_DEPTH_BUFFER_BIT;
- }
- break;
- case 32:
- stepMode = !stepMode;
- if (stepMode) {
- glutIdleFunc(0);
- } else {
- glutIdleFunc(glut_post_redisplay_p);
- }
- break;
- case 'n':
- if (stepMode) {
- nextFrame = 1;
- }
- break;
- case 'a':
- spinMode = !spinMode;
- break;
- default:
- return;
- }
- glutPostRedisplay();
-}
-
-static GLenum Args(int argc, char **argv)
-{
- GLint i;
-
- rgb = GL_TRUE;
- doubleBuffer = GL_TRUE;
- frames = 10;
- widthX = 10;
- widthY = 10;
- checkerSize = 2;
- height = 0.2;
-
- for (i = 1; i < argc; i++) {
- if (strcmp(argv[i], "-ci") == 0) {
- rgb = GL_FALSE;
- } else if (strcmp(argv[i], "-rgb") == 0) {
- rgb = GL_TRUE;
- } else if (strcmp(argv[i], "-sb") == 0) {
- doubleBuffer = GL_FALSE;
- } else if (strcmp(argv[i], "-db") == 0) {
- doubleBuffer = GL_TRUE;
- } else if (strcmp(argv[i], "-grid") == 0) {
- if (i+2 >= argc || argv[i+1][0] == '-' || argv[i+2][0] == '-') {
- printf("-grid (No numbers).\n");
- return GL_FALSE;
- } else {
- widthX = atoi(argv[++i]);
- widthY = atoi(argv[++i]);
- }
- } else if (strcmp(argv[i], "-size") == 0) {
- if (i+1 >= argc || argv[i+1][0] == '-') {
- printf("-checker (No number).\n");
- return GL_FALSE;
- } else {
- checkerSize = atoi(argv[++i]);
- }
- } else if (strcmp(argv[i], "-wave") == 0) {
- if (i+1 >= argc || argv[i+1][0] == '-') {
- printf("-wave (No number).\n");
- return GL_FALSE;
- } else {
- height = atof(argv[++i]);
- }
- } else if (strcmp(argv[i], "-frames") == 0) {
- if (i+1 >= argc || argv[i+1][0] == '-') {
- printf("-frames (No number).\n");
- return GL_FALSE;
- } else {
- frames = atoi(argv[++i]);
- }
- } else {
- printf("%s (Bad option).\n", argv[i]);
- return GL_FALSE;
- }
- }
- return GL_TRUE;
-}
-
-int main(int argc, char **argv)
-{
- GLenum type;
-
- glutInit(&argc, argv);
-
- if (Args(argc, argv) == GL_FALSE) {
- exit(1);
- }
-
- glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
-
- type = GLUT_DEPTH;
- type |= (rgb) ? GLUT_RGB : GLUT_INDEX;
- type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
- glutInitDisplayMode(type);
-
- if (glutCreateWindow("Wave Demo") == GL_FALSE) {
- exit(1);
- }
-
- InitMap();
-
- Init();
-
- glutReshapeFunc(Reshape);
- glutKeyboardFunc(Key);
- glutDisplayFunc(Animate);
- glutIdleFunc(glut_post_redisplay_p);
- glutMainLoop();
- return 0;
-}
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